/////////////////////////////////////////////////////////////////////////// // Name: src/generic/grid.cpp // Purpose: wxGrid and related classes // Author: Michael Bedward (based on code by Julian Smart, Robin Dunn) // Modified by: Robin Dunn, Vadim Zeitlin, Santiago Palacios // Created: 1/08/1999 // Copyright: (c) Michael Bedward (mbedward@ozemail.com.au) // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// /* TODO: - Replace use of wxINVERT with wxOverlay - Make Begin/EndBatch() the same as the generic Freeze/Thaw() - Review the column reordering code, it's a mess. - Implement row reordering after dealing with the columns. */ // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif #if wxUSE_GRID #include "wx/grid.h" #ifndef WX_PRECOMP #include "wx/utils.h" #include "wx/dcclient.h" #include "wx/settings.h" #include "wx/log.h" #include "wx/textctrl.h" #include "wx/checkbox.h" #include "wx/combobox.h" #include "wx/valtext.h" #include "wx/intl.h" #include "wx/math.h" #include "wx/listbox.h" #endif #include "wx/textfile.h" #include "wx/spinctrl.h" #include "wx/tokenzr.h" #include "wx/renderer.h" #include "wx/headerctrl.h" #include "wx/hashset.h" #include "wx/generic/gridsel.h" #include "wx/generic/gridctrl.h" #include "wx/generic/grideditors.h" #include "wx/generic/private/grid.h" const char wxGridNameStr[] = "grid"; #if defined(__WXMOTIF__) #define WXUNUSED_MOTIF(identifier) WXUNUSED(identifier) #else #define WXUNUSED_MOTIF(identifier) identifier #endif #if defined(__WXGTK__) #define WXUNUSED_GTK(identifier) WXUNUSED(identifier) #else #define WXUNUSED_GTK(identifier) identifier #endif // Required for wxIs... functions #include WX_DECLARE_HASH_SET_WITH_DECL_PTR(int, wxIntegerHash, wxIntegerEqual, wxGridFixedIndicesSet, class WXDLLIMPEXP_ADV); // ---------------------------------------------------------------------------- // globals // ---------------------------------------------------------------------------- namespace { //#define DEBUG_ATTR_CACHE #ifdef DEBUG_ATTR_CACHE static size_t gs_nAttrCacheHits = 0; static size_t gs_nAttrCacheMisses = 0; #endif // this struct simply combines together the default header renderers // // as the renderers ctors are trivial, there is no problem with making them // globals struct DefaultHeaderRenderers { wxGridColumnHeaderRendererDefault colRenderer; wxGridRowHeaderRendererDefault rowRenderer; wxGridCornerHeaderRendererDefault cornerRenderer; } gs_defaultHeaderRenderers; } // anonymous namespace // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- wxGridCellCoords wxGridNoCellCoords( -1, -1 ); wxRect wxGridNoCellRect( -1, -1, -1, -1 ); namespace { // scroll line size const size_t GRID_SCROLL_LINE_X = 15; const size_t GRID_SCROLL_LINE_Y = GRID_SCROLL_LINE_X; // the size of hash tables used a bit everywhere (the max number of elements // in these hash tables is the number of rows/columns) const int GRID_HASH_SIZE = 100; // the minimal distance in pixels the mouse needs to move to start a drag // operation const int DRAG_SENSITIVITY = 3; } // anonymous namespace #include "wx/arrimpl.cpp" WX_DEFINE_OBJARRAY(wxGridCellCoordsArray) WX_DEFINE_OBJARRAY(wxGridCellWithAttrArray) // ---------------------------------------------------------------------------- // events // ---------------------------------------------------------------------------- wxDEFINE_EVENT( wxEVT_GRID_CELL_LEFT_CLICK, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_CELL_RIGHT_CLICK, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_CELL_LEFT_DCLICK, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_CELL_RIGHT_DCLICK, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_CELL_BEGIN_DRAG, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_LABEL_LEFT_CLICK, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_LABEL_RIGHT_CLICK, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_LABEL_LEFT_DCLICK, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_LABEL_RIGHT_DCLICK, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_ROW_SIZE, wxGridSizeEvent ); wxDEFINE_EVENT( wxEVT_GRID_COL_SIZE, wxGridSizeEvent ); wxDEFINE_EVENT( wxEVT_GRID_COL_AUTO_SIZE, wxGridSizeEvent ); wxDEFINE_EVENT( wxEVT_GRID_COL_MOVE, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_COL_SORT, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_RANGE_SELECT, wxGridRangeSelectEvent ); wxDEFINE_EVENT( wxEVT_GRID_CELL_CHANGING, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_CELL_CHANGED, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_SELECT_CELL, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_EDITOR_SHOWN, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_EDITOR_HIDDEN, wxGridEvent ); wxDEFINE_EVENT( wxEVT_GRID_EDITOR_CREATED, wxGridEditorCreatedEvent ); wxDEFINE_EVENT( wxEVT_GRID_TABBING, wxGridEvent ); // ---------------------------------------------------------------------------- // private helpers // ---------------------------------------------------------------------------- namespace { // ensure that first is less or equal to second, swapping the values if // necessary void EnsureFirstLessThanSecond(int& first, int& second) { if ( first > second ) wxSwap(first, second); } } // anonymous namespace // ============================================================================ // implementation // ============================================================================ IMPLEMENT_ABSTRACT_CLASS(wxGridCellEditorEvtHandler, wxEvtHandler) BEGIN_EVENT_TABLE( wxGridCellEditorEvtHandler, wxEvtHandler ) EVT_KILL_FOCUS( wxGridCellEditorEvtHandler::OnKillFocus ) EVT_KEY_DOWN( wxGridCellEditorEvtHandler::OnKeyDown ) EVT_CHAR( wxGridCellEditorEvtHandler::OnChar ) END_EVENT_TABLE() BEGIN_EVENT_TABLE(wxGridHeaderCtrl, wxHeaderCtrl) EVT_HEADER_CLICK(wxID_ANY, wxGridHeaderCtrl::OnClick) EVT_HEADER_DCLICK(wxID_ANY, wxGridHeaderCtrl::OnDoubleClick) EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxGridHeaderCtrl::OnRightClick) EVT_HEADER_BEGIN_RESIZE(wxID_ANY, wxGridHeaderCtrl::OnBeginResize) EVT_HEADER_RESIZING(wxID_ANY, wxGridHeaderCtrl::OnResizing) EVT_HEADER_END_RESIZE(wxID_ANY, wxGridHeaderCtrl::OnEndResize) EVT_HEADER_BEGIN_REORDER(wxID_ANY, wxGridHeaderCtrl::OnBeginReorder) EVT_HEADER_END_REORDER(wxID_ANY, wxGridHeaderCtrl::OnEndReorder) END_EVENT_TABLE() wxGridOperations& wxGridRowOperations::Dual() const { static wxGridColumnOperations s_colOper; return s_colOper; } wxGridOperations& wxGridColumnOperations::Dual() const { static wxGridRowOperations s_rowOper; return s_rowOper; } // ---------------------------------------------------------------------------- // wxGridCellWorker is an (almost) empty common base class for // wxGridCellRenderer and wxGridCellEditor managing ref counting // ---------------------------------------------------------------------------- void wxGridCellWorker::SetParameters(const wxString& WXUNUSED(params)) { // nothing to do } wxGridCellWorker::~wxGridCellWorker() { } // ---------------------------------------------------------------------------- // wxGridHeaderLabelsRenderer and related classes // ---------------------------------------------------------------------------- void wxGridHeaderLabelsRenderer::DrawLabel(const wxGrid& grid, wxDC& dc, const wxString& value, const wxRect& rect, int horizAlign, int vertAlign, int textOrientation) const { dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT); dc.SetTextForeground(grid.GetLabelTextColour()); dc.SetFont(grid.GetLabelFont()); grid.DrawTextRectangle(dc, value, rect, horizAlign, vertAlign, textOrientation); } void wxGridRowHeaderRendererDefault::DrawBorder(const wxGrid& WXUNUSED(grid), wxDC& dc, wxRect& rect) const { dc.SetPen(wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW))); dc.DrawLine(rect.GetRight(), rect.GetTop(), rect.GetRight(), rect.GetBottom()); dc.DrawLine(rect.GetLeft(), rect.GetTop(), rect.GetLeft(), rect.GetBottom()); dc.DrawLine(rect.GetLeft(), rect.GetBottom(), rect.GetRight() + 1, rect.GetBottom()); dc.SetPen(*wxWHITE_PEN); dc.DrawLine(rect.GetLeft() + 1, rect.GetTop(), rect.GetLeft() + 1, rect.GetBottom()); dc.DrawLine(rect.GetLeft() + 1, rect.GetTop(), rect.GetRight(), rect.GetTop()); rect.Deflate(2); } void wxGridColumnHeaderRendererDefault::DrawBorder(const wxGrid& WXUNUSED(grid), wxDC& dc, wxRect& rect) const { dc.SetPen(wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW))); dc.DrawLine(rect.GetRight(), rect.GetTop(), rect.GetRight(), rect.GetBottom()); dc.DrawLine(rect.GetLeft(), rect.GetTop(), rect.GetRight(), rect.GetTop()); dc.DrawLine(rect.GetLeft(), rect.GetBottom(), rect.GetRight() + 1, rect.GetBottom()); dc.SetPen(*wxWHITE_PEN); dc.DrawLine(rect.GetLeft(), rect.GetTop() + 1, rect.GetLeft(), rect.GetBottom()); dc.DrawLine(rect.GetLeft(), rect.GetTop() + 1, rect.GetRight(), rect.GetTop() + 1); rect.Deflate(2); } void wxGridCornerHeaderRendererDefault::DrawBorder(const wxGrid& WXUNUSED(grid), wxDC& dc, wxRect& rect) const { dc.SetPen(wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW))); dc.DrawLine(rect.GetRight() - 1, rect.GetBottom() - 1, rect.GetRight() - 1, rect.GetTop()); dc.DrawLine(rect.GetRight() - 1, rect.GetBottom() - 1, rect.GetLeft(), rect.GetBottom() - 1); dc.DrawLine(rect.GetLeft(), rect.GetTop(), rect.GetRight(), rect.GetTop()); dc.DrawLine(rect.GetLeft(), rect.GetTop(), rect.GetLeft(), rect.GetBottom()); dc.SetPen(*wxWHITE_PEN); dc.DrawLine(rect.GetLeft() + 1, rect.GetTop() + 1, rect.GetRight() - 1, rect.GetTop() + 1); dc.DrawLine(rect.GetLeft() + 1, rect.GetTop() + 1, rect.GetLeft() + 1, rect.GetBottom() - 1); rect.Deflate(2); } // ---------------------------------------------------------------------------- // wxGridCellAttr // ---------------------------------------------------------------------------- void wxGridCellAttr::Init(wxGridCellAttr *attrDefault) { m_isReadOnly = Unset; m_renderer = NULL; m_editor = NULL; m_attrkind = wxGridCellAttr::Cell; m_sizeRows = m_sizeCols = 1; m_overflow = UnsetOverflow; SetDefAttr(attrDefault); } wxGridCellAttr *wxGridCellAttr::Clone() const { wxGridCellAttr *attr = new wxGridCellAttr(m_defGridAttr); if ( HasTextColour() ) attr->SetTextColour(GetTextColour()); if ( HasBackgroundColour() ) attr->SetBackgroundColour(GetBackgroundColour()); if ( HasFont() ) attr->SetFont(GetFont()); if ( HasAlignment() ) attr->SetAlignment(m_hAlign, m_vAlign); attr->SetSize( m_sizeRows, m_sizeCols ); if ( m_renderer ) { attr->SetRenderer(m_renderer); m_renderer->IncRef(); } if ( m_editor ) { attr->SetEditor(m_editor); m_editor->IncRef(); } if ( IsReadOnly() ) attr->SetReadOnly(); attr->SetOverflow( m_overflow == Overflow ); attr->SetKind( m_attrkind ); return attr; } void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom) { if ( !HasTextColour() && mergefrom->HasTextColour() ) SetTextColour(mergefrom->GetTextColour()); if ( !HasBackgroundColour() && mergefrom->HasBackgroundColour() ) SetBackgroundColour(mergefrom->GetBackgroundColour()); if ( !HasFont() && mergefrom->HasFont() ) SetFont(mergefrom->GetFont()); if ( !HasAlignment() && mergefrom->HasAlignment() ) { int hAlign, vAlign; mergefrom->GetAlignment( &hAlign, &vAlign); SetAlignment(hAlign, vAlign); } if ( !HasSize() && mergefrom->HasSize() ) mergefrom->GetSize( &m_sizeRows, &m_sizeCols ); // Directly access member functions as GetRender/Editor don't just return // m_renderer/m_editor // // Maybe add support for merge of Render and Editor? if (!HasRenderer() && mergefrom->HasRenderer() ) { m_renderer = mergefrom->m_renderer; m_renderer->IncRef(); } if ( !HasEditor() && mergefrom->HasEditor() ) { m_editor = mergefrom->m_editor; m_editor->IncRef(); } if ( !HasReadWriteMode() && mergefrom->HasReadWriteMode() ) SetReadOnly(mergefrom->IsReadOnly()); if (!HasOverflowMode() && mergefrom->HasOverflowMode() ) SetOverflow(mergefrom->GetOverflow()); SetDefAttr(mergefrom->m_defGridAttr); } void wxGridCellAttr::SetSize(int num_rows, int num_cols) { // The size of a cell is normally 1,1 // If this cell is larger (2,2) then this is the top left cell // the other cells that will be covered (lower right cells) must be // set to negative or zero values such that // row + num_rows of the covered cell points to the larger cell (this cell) // same goes for the col + num_cols. // Size of 0,0 is NOT valid, neither is <=0 and any positive value wxASSERT_MSG( (!((num_rows > 0) && (num_cols <= 0)) || !((num_rows <= 0) && (num_cols > 0)) || !((num_rows == 0) && (num_cols == 0))), wxT("wxGridCellAttr::SetSize only takes two positive values or negative/zero values")); m_sizeRows = num_rows; m_sizeCols = num_cols; } const wxColour& wxGridCellAttr::GetTextColour() const { if (HasTextColour()) { return m_colText; } else if (m_defGridAttr && m_defGridAttr != this) { return m_defGridAttr->GetTextColour(); } else { wxFAIL_MSG(wxT("Missing default cell attribute")); return wxNullColour; } } const wxColour& wxGridCellAttr::GetBackgroundColour() const { if (HasBackgroundColour()) { return m_colBack; } else if (m_defGridAttr && m_defGridAttr != this) { return m_defGridAttr->GetBackgroundColour(); } else { wxFAIL_MSG(wxT("Missing default cell attribute")); return wxNullColour; } } const wxFont& wxGridCellAttr::GetFont() const { if (HasFont()) { return m_font; } else if (m_defGridAttr && m_defGridAttr != this) { return m_defGridAttr->GetFont(); } else { wxFAIL_MSG(wxT("Missing default cell attribute")); return wxNullFont; } } void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const { if (HasAlignment()) { if ( hAlign ) *hAlign = m_hAlign; if ( vAlign ) *vAlign = m_vAlign; } else if (m_defGridAttr && m_defGridAttr != this) { m_defGridAttr->GetAlignment(hAlign, vAlign); } else { wxFAIL_MSG(wxT("Missing default cell attribute")); } } void wxGridCellAttr::GetNonDefaultAlignment(int *hAlign, int *vAlign) const { if ( hAlign && m_hAlign != wxALIGN_INVALID ) *hAlign = m_hAlign; if ( vAlign && m_vAlign != wxALIGN_INVALID ) *vAlign = m_vAlign; } void wxGridCellAttr::GetSize( int *num_rows, int *num_cols ) const { if ( num_rows ) *num_rows = m_sizeRows; if ( num_cols ) *num_cols = m_sizeCols; } // GetRenderer and GetEditor use a slightly different decision path about // which attribute to use. If a non-default attr object has one then it is // used, otherwise the default editor or renderer is fetched from the grid and // used. It should be the default for the data type of the cell. If it is // NULL (because the table has a type that the grid does not have in its // registry), then the grid's default editor or renderer is used. wxGridCellRenderer* wxGridCellAttr::GetRenderer(const wxGrid* grid, int row, int col) const { wxGridCellRenderer *renderer = NULL; if ( m_renderer && this != m_defGridAttr ) { // use the cells renderer if it has one renderer = m_renderer; renderer->IncRef(); } else // no non-default cell renderer { // get default renderer for the data type if ( grid ) { // GetDefaultRendererForCell() will do IncRef() for us renderer = grid->GetDefaultRendererForCell(row, col); } if ( renderer == NULL ) { if ( (m_defGridAttr != NULL) && (m_defGridAttr != this) ) { // if we still don't have one then use the grid default // (no need for IncRef() here neither) renderer = m_defGridAttr->GetRenderer(NULL, 0, 0); } else // default grid attr { // use m_renderer which we had decided not to use initially renderer = m_renderer; if ( renderer ) renderer->IncRef(); } } } // we're supposed to always find something wxASSERT_MSG(renderer, wxT("Missing default cell renderer")); return renderer; } // same as above, except for s/renderer/editor/g wxGridCellEditor* wxGridCellAttr::GetEditor(const wxGrid* grid, int row, int col) const { wxGridCellEditor *editor = NULL; if ( m_editor && this != m_defGridAttr ) { // use the cells editor if it has one editor = m_editor; editor->IncRef(); } else // no non default cell editor { // get default editor for the data type if ( grid ) { // GetDefaultEditorForCell() will do IncRef() for us editor = grid->GetDefaultEditorForCell(row, col); } if ( editor == NULL ) { if ( (m_defGridAttr != NULL) && (m_defGridAttr != this) ) { // if we still don't have one then use the grid default // (no need for IncRef() here neither) editor = m_defGridAttr->GetEditor(NULL, 0, 0); } else // default grid attr { // use m_editor which we had decided not to use initially editor = m_editor; if ( editor ) editor->IncRef(); } } } // we're supposed to always find something wxASSERT_MSG(editor, wxT("Missing default cell editor")); return editor; } // ---------------------------------------------------------------------------- // wxGridCellAttrData // ---------------------------------------------------------------------------- void wxGridCellAttrData::SetAttr(wxGridCellAttr *attr, int row, int col) { // Note: contrary to wxGridRowOrColAttrData::SetAttr, we must not // touch attribute's reference counting explicitly, since this // is managed by class wxGridCellWithAttr int n = FindIndex(row, col); if ( n == wxNOT_FOUND ) { if ( attr ) { // add the attribute m_attrs.Add(new wxGridCellWithAttr(row, col, attr)); } //else: nothing to do } else // we already have an attribute for this cell { if ( attr ) { // change the attribute m_attrs[(size_t)n].ChangeAttr(attr); } else { // remove this attribute m_attrs.RemoveAt((size_t)n); } } } wxGridCellAttr *wxGridCellAttrData::GetAttr(int row, int col) const { wxGridCellAttr *attr = NULL; int n = FindIndex(row, col); if ( n != wxNOT_FOUND ) { attr = m_attrs[(size_t)n].attr; attr->IncRef(); } return attr; } void wxGridCellAttrData::UpdateAttrRows( size_t pos, int numRows ) { size_t count = m_attrs.GetCount(); for ( size_t n = 0; n < count; n++ ) { wxGridCellCoords& coords = m_attrs[n].coords; wxCoord row = coords.GetRow(); if ((size_t)row >= pos) { if (numRows > 0) { // If rows inserted, include row counter where necessary coords.SetRow(row + numRows); } else if (numRows < 0) { // If rows deleted ... if ((size_t)row >= pos - numRows) { // ...either decrement row counter (if row still exists)... coords.SetRow(row + numRows); } else { // ...or remove the attribute m_attrs.RemoveAt(n); n--; count--; } } } } } void wxGridCellAttrData::UpdateAttrCols( size_t pos, int numCols ) { size_t count = m_attrs.GetCount(); for ( size_t n = 0; n < count; n++ ) { wxGridCellCoords& coords = m_attrs[n].coords; wxCoord col = coords.GetCol(); if ( (size_t)col >= pos ) { if ( numCols > 0 ) { // If rows inserted, include row counter where necessary coords.SetCol(col + numCols); } else if (numCols < 0) { // If rows deleted ... if ((size_t)col >= pos - numCols) { // ...either decrement row counter (if row still exists)... coords.SetCol(col + numCols); } else { // ...or remove the attribute m_attrs.RemoveAt(n); n--; count--; } } } } } int wxGridCellAttrData::FindIndex(int row, int col) const { size_t count = m_attrs.GetCount(); for ( size_t n = 0; n < count; n++ ) { const wxGridCellCoords& coords = m_attrs[n].coords; if ( (coords.GetRow() == row) && (coords.GetCol() == col) ) { return n; } } return wxNOT_FOUND; } // ---------------------------------------------------------------------------- // wxGridRowOrColAttrData // ---------------------------------------------------------------------------- wxGridRowOrColAttrData::~wxGridRowOrColAttrData() { size_t count = m_attrs.GetCount(); for ( size_t n = 0; n < count; n++ ) { m_attrs[n]->DecRef(); } } wxGridCellAttr *wxGridRowOrColAttrData::GetAttr(int rowOrCol) const { wxGridCellAttr *attr = NULL; int n = m_rowsOrCols.Index(rowOrCol); if ( n != wxNOT_FOUND ) { attr = m_attrs[(size_t)n]; attr->IncRef(); } return attr; } void wxGridRowOrColAttrData::SetAttr(wxGridCellAttr *attr, int rowOrCol) { int i = m_rowsOrCols.Index(rowOrCol); if ( i == wxNOT_FOUND ) { if ( attr ) { // store the new attribute, taking its ownership m_rowsOrCols.Add(rowOrCol); m_attrs.Add(attr); } // nothing to remove } else // we have an attribute for this row or column { size_t n = (size_t)i; // notice that this code works correctly even when the old attribute is // the same as the new one: as we own of it, we must call DecRef() on // it in any case and this won't result in destruction of the new // attribute if it's the same as old one because it must have ref count // of at least 2 to be passed to us while we keep a reference to it too m_attrs[n]->DecRef(); if ( attr ) { // replace the attribute with the new one m_attrs[n] = attr; } else // remove the attribute { m_rowsOrCols.RemoveAt(n); m_attrs.RemoveAt(n); } } } void wxGridRowOrColAttrData::UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols ) { size_t count = m_attrs.GetCount(); for ( size_t n = 0; n < count; n++ ) { int & rowOrCol = m_rowsOrCols[n]; if ( (size_t)rowOrCol >= pos ) { if ( numRowsOrCols > 0 ) { // If rows inserted, include row counter where necessary rowOrCol += numRowsOrCols; } else if ( numRowsOrCols < 0) { // If rows deleted, either decrement row counter (if row still exists) if ((size_t)rowOrCol >= pos - numRowsOrCols) rowOrCol += numRowsOrCols; else { m_rowsOrCols.RemoveAt(n); m_attrs[n]->DecRef(); m_attrs.RemoveAt(n); n--; count--; } } } } } // ---------------------------------------------------------------------------- // wxGridCellAttrProvider // ---------------------------------------------------------------------------- wxGridCellAttrProvider::wxGridCellAttrProvider() { m_data = NULL; } wxGridCellAttrProvider::~wxGridCellAttrProvider() { delete m_data; } void wxGridCellAttrProvider::InitData() { m_data = new wxGridCellAttrProviderData; } wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col, wxGridCellAttr::wxAttrKind kind ) const { wxGridCellAttr *attr = NULL; if ( m_data ) { switch (kind) { case (wxGridCellAttr::Any): // Get cached merge attributes. // Currently not used as no cache implemented as not mutable // attr = m_data->m_mergeAttr.GetAttr(row, col); if (!attr) { // Basically implement old version. // Also check merge cache, so we don't have to re-merge every time.. wxGridCellAttr *attrcell = m_data->m_cellAttrs.GetAttr(row, col); wxGridCellAttr *attrrow = m_data->m_rowAttrs.GetAttr(row); wxGridCellAttr *attrcol = m_data->m_colAttrs.GetAttr(col); if ((attrcell != attrrow) && (attrrow != attrcol) && (attrcell != attrcol)) { // Two or more are non NULL attr = new wxGridCellAttr; attr->SetKind(wxGridCellAttr::Merged); // Order is important.. if (attrcell) { attr->MergeWith(attrcell); attrcell->DecRef(); } if (attrcol) { attr->MergeWith(attrcol); attrcol->DecRef(); } if (attrrow) { attr->MergeWith(attrrow); attrrow->DecRef(); } // store merge attr if cache implemented //attr->IncRef(); //m_data->m_mergeAttr.SetAttr(attr, row, col); } else { // one or none is non null return it or null. if (attrrow) attr = attrrow; if (attrcol) { if (attr) attr->DecRef(); attr = attrcol; } if (attrcell) { if (attr) attr->DecRef(); attr = attrcell; } } } break; case (wxGridCellAttr::Cell): attr = m_data->m_cellAttrs.GetAttr(row, col); break; case (wxGridCellAttr::Col): attr = m_data->m_colAttrs.GetAttr(col); break; case (wxGridCellAttr::Row): attr = m_data->m_rowAttrs.GetAttr(row); break; default: // unused as yet... // (wxGridCellAttr::Default): // (wxGridCellAttr::Merged): break; } } return attr; } void wxGridCellAttrProvider::SetAttr(wxGridCellAttr *attr, int row, int col) { if ( !m_data ) InitData(); m_data->m_cellAttrs.SetAttr(attr, row, col); } void wxGridCellAttrProvider::SetRowAttr(wxGridCellAttr *attr, int row) { if ( !m_data ) InitData(); m_data->m_rowAttrs.SetAttr(attr, row); } void wxGridCellAttrProvider::SetColAttr(wxGridCellAttr *attr, int col) { if ( !m_data ) InitData(); m_data->m_colAttrs.SetAttr(attr, col); } void wxGridCellAttrProvider::UpdateAttrRows( size_t pos, int numRows ) { if ( m_data ) { m_data->m_cellAttrs.UpdateAttrRows( pos, numRows ); m_data->m_rowAttrs.UpdateAttrRowsOrCols( pos, numRows ); } } void wxGridCellAttrProvider::UpdateAttrCols( size_t pos, int numCols ) { if ( m_data ) { m_data->m_cellAttrs.UpdateAttrCols( pos, numCols ); m_data->m_colAttrs.UpdateAttrRowsOrCols( pos, numCols ); } } const wxGridColumnHeaderRenderer& wxGridCellAttrProvider::GetColumnHeaderRenderer(int WXUNUSED(col)) { return gs_defaultHeaderRenderers.colRenderer; } const wxGridRowHeaderRenderer& wxGridCellAttrProvider::GetRowHeaderRenderer(int WXUNUSED(row)) { return gs_defaultHeaderRenderers.rowRenderer; } const wxGridCornerHeaderRenderer& wxGridCellAttrProvider::GetCornerRenderer() { return gs_defaultHeaderRenderers.cornerRenderer; } // ---------------------------------------------------------------------------- // wxGridTableBase // ---------------------------------------------------------------------------- IMPLEMENT_ABSTRACT_CLASS( wxGridTableBase, wxObject ) wxGridTableBase::wxGridTableBase() { m_view = NULL; m_attrProvider = NULL; } wxGridTableBase::~wxGridTableBase() { delete m_attrProvider; } void wxGridTableBase::SetAttrProvider(wxGridCellAttrProvider *attrProvider) { delete m_attrProvider; m_attrProvider = attrProvider; } bool wxGridTableBase::CanHaveAttributes() { if ( ! GetAttrProvider() ) { // use the default attr provider by default SetAttrProvider(new wxGridCellAttrProvider); } return true; } wxGridCellAttr *wxGridTableBase::GetAttr(int row, int col, wxGridCellAttr::wxAttrKind kind) { if ( m_attrProvider ) return m_attrProvider->GetAttr(row, col, kind); else return NULL; } void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col) { if ( m_attrProvider ) { if ( attr ) attr->SetKind(wxGridCellAttr::Cell); m_attrProvider->SetAttr(attr, row, col); } else { // as we take ownership of the pointer and don't store it, we must // free it now wxSafeDecRef(attr); } } void wxGridTableBase::SetRowAttr(wxGridCellAttr *attr, int row) { if ( m_attrProvider ) { if ( attr ) attr->SetKind(wxGridCellAttr::Row); m_attrProvider->SetRowAttr(attr, row); } else { // as we take ownership of the pointer and don't store it, we must // free it now wxSafeDecRef(attr); } } void wxGridTableBase::SetColAttr(wxGridCellAttr *attr, int col) { if ( m_attrProvider ) { if ( attr ) attr->SetKind(wxGridCellAttr::Col); m_attrProvider->SetColAttr(attr, col); } else { // as we take ownership of the pointer and don't store it, we must // free it now wxSafeDecRef(attr); } } bool wxGridTableBase::InsertRows( size_t WXUNUSED(pos), size_t WXUNUSED(numRows) ) { wxFAIL_MSG( wxT("Called grid table class function InsertRows\nbut your derived table class does not override this function") ); return false; } bool wxGridTableBase::AppendRows( size_t WXUNUSED(numRows) ) { wxFAIL_MSG( wxT("Called grid table class function AppendRows\nbut your derived table class does not override this function")); return false; } bool wxGridTableBase::DeleteRows( size_t WXUNUSED(pos), size_t WXUNUSED(numRows) ) { wxFAIL_MSG( wxT("Called grid table class function DeleteRows\nbut your derived table class does not override this function")); return false; } bool wxGridTableBase::InsertCols( size_t WXUNUSED(pos), size_t WXUNUSED(numCols) ) { wxFAIL_MSG( wxT("Called grid table class function InsertCols\nbut your derived table class does not override this function")); return false; } bool wxGridTableBase::AppendCols( size_t WXUNUSED(numCols) ) { wxFAIL_MSG(wxT("Called grid table class function AppendCols\nbut your derived table class does not override this function")); return false; } bool wxGridTableBase::DeleteCols( size_t WXUNUSED(pos), size_t WXUNUSED(numCols) ) { wxFAIL_MSG( wxT("Called grid table class function DeleteCols\nbut your derived table class does not override this function")); return false; } wxString wxGridTableBase::GetRowLabelValue( int row ) { wxString s; // RD: Starting the rows at zero confuses users, // no matter how much it makes sense to us geeks. s << row + 1; return s; } wxString wxGridTableBase::GetColLabelValue( int col ) { // default col labels are: // cols 0 to 25 : A-Z // cols 26 to 675 : AA-ZZ // etc. wxString s; unsigned int i, n; for ( n = 1; ; n++ ) { s += (wxChar) (wxT('A') + (wxChar)(col % 26)); col = col / 26 - 1; if ( col < 0 ) break; } // reverse the string... wxString s2; for ( i = 0; i < n; i++ ) { s2 += s[n - i - 1]; } return s2; } wxString wxGridTableBase::GetTypeName( int WXUNUSED(row), int WXUNUSED(col) ) { return wxGRID_VALUE_STRING; } bool wxGridTableBase::CanGetValueAs( int WXUNUSED(row), int WXUNUSED(col), const wxString& typeName ) { return typeName == wxGRID_VALUE_STRING; } bool wxGridTableBase::CanSetValueAs( int row, int col, const wxString& typeName ) { return CanGetValueAs(row, col, typeName); } long wxGridTableBase::GetValueAsLong( int WXUNUSED(row), int WXUNUSED(col) ) { return 0; } double wxGridTableBase::GetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col) ) { return 0.0; } bool wxGridTableBase::GetValueAsBool( int WXUNUSED(row), int WXUNUSED(col) ) { return false; } void wxGridTableBase::SetValueAsLong( int WXUNUSED(row), int WXUNUSED(col), long WXUNUSED(value) ) { } void wxGridTableBase::SetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col), double WXUNUSED(value) ) { } void wxGridTableBase::SetValueAsBool( int WXUNUSED(row), int WXUNUSED(col), bool WXUNUSED(value) ) { } void* wxGridTableBase::GetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col), const wxString& WXUNUSED(typeName) ) { return NULL; } void wxGridTableBase::SetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col), const wxString& WXUNUSED(typeName), void* WXUNUSED(value) ) { } ////////////////////////////////////////////////////////////////////// // // Message class for the grid table to send requests and notifications // to the grid view // wxGridTableMessage::wxGridTableMessage() { m_table = NULL; m_id = -1; m_comInt1 = -1; m_comInt2 = -1; } wxGridTableMessage::wxGridTableMessage( wxGridTableBase *table, int id, int commandInt1, int commandInt2 ) { m_table = table; m_id = id; m_comInt1 = commandInt1; m_comInt2 = commandInt2; } ////////////////////////////////////////////////////////////////////// // // A basic grid table for string data. An object of this class will // created by wxGrid if you don't specify an alternative table class. // WX_DEFINE_OBJARRAY(wxGridStringArray) IMPLEMENT_DYNAMIC_CLASS( wxGridStringTable, wxGridTableBase ) wxGridStringTable::wxGridStringTable() : wxGridTableBase() { m_numCols = 0; } wxGridStringTable::wxGridStringTable( int numRows, int numCols ) : wxGridTableBase() { m_numCols = numCols; m_data.Alloc( numRows ); wxArrayString sa; sa.Alloc( numCols ); sa.Add( wxEmptyString, numCols ); m_data.Add( sa, numRows ); } wxString wxGridStringTable::GetValue( int row, int col ) { wxCHECK_MSG( (row >= 0 && row < GetNumberRows()) && (col >= 0 && col < GetNumberCols()), wxEmptyString, wxT("invalid row or column index in wxGridStringTable") ); return m_data[row][col]; } void wxGridStringTable::SetValue( int row, int col, const wxString& value ) { wxCHECK_RET( (row >= 0 && row < GetNumberRows()) && (col >= 0 && col < GetNumberCols()), wxT("invalid row or column index in wxGridStringTable") ); m_data[row][col] = value; } void wxGridStringTable::Clear() { int row, col; int numRows, numCols; numRows = m_data.GetCount(); if ( numRows > 0 ) { numCols = m_data[0].GetCount(); for ( row = 0; row < numRows; row++ ) { for ( col = 0; col < numCols; col++ ) { m_data[row][col] = wxEmptyString; } } } } bool wxGridStringTable::InsertRows( size_t pos, size_t numRows ) { if ( pos >= m_data.size() ) { return AppendRows( numRows ); } wxArrayString sa; sa.Alloc( m_numCols ); sa.Add( wxEmptyString, m_numCols ); m_data.Insert( sa, pos, numRows ); if ( GetView() ) { wxGridTableMessage msg( this, wxGRIDTABLE_NOTIFY_ROWS_INSERTED, pos, numRows ); GetView()->ProcessTableMessage( msg ); } return true; } bool wxGridStringTable::AppendRows( size_t numRows ) { wxArrayString sa; if ( m_numCols > 0 ) { sa.Alloc( m_numCols ); sa.Add( wxEmptyString, m_numCols ); } m_data.Add( sa, numRows ); if ( GetView() ) { wxGridTableMessage msg( this, wxGRIDTABLE_NOTIFY_ROWS_APPENDED, numRows ); GetView()->ProcessTableMessage( msg ); } return true; } bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows ) { size_t curNumRows = m_data.GetCount(); if ( pos >= curNumRows ) { wxFAIL_MSG( wxString::Format ( wxT("Called wxGridStringTable::DeleteRows(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu rows"), (unsigned long)pos, (unsigned long)numRows, (unsigned long)curNumRows ) ); return false; } if ( numRows > curNumRows - pos ) { numRows = curNumRows - pos; } if ( numRows >= curNumRows ) { m_data.Clear(); } else { m_data.RemoveAt( pos, numRows ); } if ( GetView() ) { wxGridTableMessage msg( this, wxGRIDTABLE_NOTIFY_ROWS_DELETED, pos, numRows ); GetView()->ProcessTableMessage( msg ); } return true; } bool wxGridStringTable::InsertCols( size_t pos, size_t numCols ) { if ( pos >= static_cast(m_numCols) ) { return AppendCols( numCols ); } if ( !m_colLabels.IsEmpty() ) { m_colLabels.Insert( wxEmptyString, pos, numCols ); for ( size_t i = pos; i < pos + numCols; i++ ) m_colLabels[i] = wxGridTableBase::GetColLabelValue( i ); } for ( size_t row = 0; row < m_data.size(); row++ ) { for ( size_t col = pos; col < pos + numCols; col++ ) { m_data[row].Insert( wxEmptyString, col ); } } m_numCols += numCols; if ( GetView() ) { wxGridTableMessage msg( this, wxGRIDTABLE_NOTIFY_COLS_INSERTED, pos, numCols ); GetView()->ProcessTableMessage( msg ); } return true; } bool wxGridStringTable::AppendCols( size_t numCols ) { for ( size_t row = 0; row < m_data.size(); row++ ) { m_data[row].Add( wxEmptyString, numCols ); } m_numCols += numCols; if ( GetView() ) { wxGridTableMessage msg( this, wxGRIDTABLE_NOTIFY_COLS_APPENDED, numCols ); GetView()->ProcessTableMessage( msg ); } return true; } bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols ) { size_t row; size_t curNumRows = m_data.GetCount(); size_t curNumCols = m_numCols; if ( pos >= curNumCols ) { wxFAIL_MSG( wxString::Format ( wxT("Called wxGridStringTable::DeleteCols(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu cols"), (unsigned long)pos, (unsigned long)numCols, (unsigned long)curNumCols ) ); return false; } int colID; if ( GetView() ) colID = GetView()->GetColAt( pos ); else colID = pos; if ( numCols > curNumCols - colID ) { numCols = curNumCols - colID; } if ( !m_colLabels.IsEmpty() ) { // m_colLabels stores just as many elements as it needs, e.g. if only // the label of the first column had been set it would have only one // element and not numCols, so account for it int numRemaining = m_colLabels.size() - colID; if (numRemaining > 0) m_colLabels.RemoveAt( colID, wxMin(numCols, numRemaining) ); } if ( numCols >= curNumCols ) { for ( row = 0; row < curNumRows; row++ ) { m_data[row].Clear(); } m_numCols = 0; } else // something will be left { for ( row = 0; row < curNumRows; row++ ) { m_data[row].RemoveAt( colID, numCols ); } m_numCols -= numCols; } if ( GetView() ) { wxGridTableMessage msg( this, wxGRIDTABLE_NOTIFY_COLS_DELETED, pos, numCols ); GetView()->ProcessTableMessage( msg ); } return true; } wxString wxGridStringTable::GetRowLabelValue( int row ) { if ( row > (int)(m_rowLabels.GetCount()) - 1 ) { // using default label // return wxGridTableBase::GetRowLabelValue( row ); } else { return m_rowLabels[row]; } } wxString wxGridStringTable::GetColLabelValue( int col ) { if ( col > (int)(m_colLabels.GetCount()) - 1 ) { // using default label // return wxGridTableBase::GetColLabelValue( col ); } else { return m_colLabels[col]; } } void wxGridStringTable::SetRowLabelValue( int row, const wxString& value ) { if ( row > (int)(m_rowLabels.GetCount()) - 1 ) { int n = m_rowLabels.GetCount(); int i; for ( i = n; i <= row; i++ ) { m_rowLabels.Add( wxGridTableBase::GetRowLabelValue(i) ); } } m_rowLabels[row] = value; } void wxGridStringTable::SetColLabelValue( int col, const wxString& value ) { if ( col > (int)(m_colLabels.GetCount()) - 1 ) { int n = m_colLabels.GetCount(); int i; for ( i = n; i <= col; i++ ) { m_colLabels.Add( wxGridTableBase::GetColLabelValue(i) ); } } m_colLabels[col] = value; } ////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////// BEGIN_EVENT_TABLE(wxGridSubwindow, wxWindow) EVT_MOUSE_CAPTURE_LOST(wxGridSubwindow::OnMouseCaptureLost) END_EVENT_TABLE() void wxGridSubwindow::OnMouseCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event)) { m_owner->CancelMouseCapture(); } BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxGridSubwindow ) EVT_PAINT( wxGridRowLabelWindow::OnPaint ) EVT_MOUSEWHEEL( wxGridRowLabelWindow::OnMouseWheel ) EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent ) END_EVENT_TABLE() void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) ) { wxPaintDC dc(this); // NO - don't do this because it will set both the x and y origin // coords to match the parent scrolled window and we just want to // set the y coord - MB // // m_owner->PrepareDC( dc ); int x, y; m_owner->CalcUnscrolledPosition( 0, 0, &x, &y ); wxPoint pt = dc.GetDeviceOrigin(); dc.SetDeviceOrigin( pt.x, pt.y-y ); wxArrayInt rows = m_owner->CalcRowLabelsExposed( GetUpdateRegion() ); m_owner->DrawRowLabels( dc, rows ); } void wxGridRowLabelWindow::OnMouseEvent( wxMouseEvent& event ) { m_owner->ProcessRowLabelMouseEvent( event ); } void wxGridRowLabelWindow::OnMouseWheel( wxMouseEvent& event ) { if (!m_owner->GetEventHandler()->ProcessEvent( event )) event.Skip(); } ////////////////////////////////////////////////////////////////////// BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxGridSubwindow ) EVT_PAINT( wxGridColLabelWindow::OnPaint ) EVT_MOUSEWHEEL( wxGridColLabelWindow::OnMouseWheel ) EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent ) END_EVENT_TABLE() void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) ) { wxPaintDC dc(this); // NO - don't do this because it will set both the x and y origin // coords to match the parent scrolled window and we just want to // set the x coord - MB // // m_owner->PrepareDC( dc ); int x, y; m_owner->CalcUnscrolledPosition( 0, 0, &x, &y ); wxPoint pt = dc.GetDeviceOrigin(); dc.SetDeviceOrigin( pt.x-x, pt.y ); wxArrayInt cols = m_owner->CalcColLabelsExposed( GetUpdateRegion() ); m_owner->DrawColLabels( dc, cols ); } void wxGridColLabelWindow::OnMouseEvent( wxMouseEvent& event ) { m_owner->ProcessColLabelMouseEvent( event ); } void wxGridColLabelWindow::OnMouseWheel( wxMouseEvent& event ) { if (!m_owner->GetEventHandler()->ProcessEvent( event )) event.Skip(); } ////////////////////////////////////////////////////////////////////// BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxGridSubwindow ) EVT_MOUSEWHEEL( wxGridCornerLabelWindow::OnMouseWheel ) EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent ) EVT_PAINT( wxGridCornerLabelWindow::OnPaint ) END_EVENT_TABLE() void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) ) { wxPaintDC dc(this); m_owner->DrawCornerLabel(dc); } void wxGridCornerLabelWindow::OnMouseEvent( wxMouseEvent& event ) { m_owner->ProcessCornerLabelMouseEvent( event ); } void wxGridCornerLabelWindow::OnMouseWheel( wxMouseEvent& event ) { if (!m_owner->GetEventHandler()->ProcessEvent(event)) event.Skip(); } ////////////////////////////////////////////////////////////////////// BEGIN_EVENT_TABLE( wxGridWindow, wxGridSubwindow ) EVT_PAINT( wxGridWindow::OnPaint ) EVT_MOUSEWHEEL( wxGridWindow::OnMouseWheel ) EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent ) EVT_KEY_DOWN( wxGridWindow::OnKeyDown ) EVT_KEY_UP( wxGridWindow::OnKeyUp ) EVT_CHAR( wxGridWindow::OnChar ) EVT_SET_FOCUS( wxGridWindow::OnFocus ) EVT_KILL_FOCUS( wxGridWindow::OnFocus ) EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground ) END_EVENT_TABLE() void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) { wxPaintDC dc( this ); m_owner->PrepareDC( dc ); wxRegion reg = GetUpdateRegion(); wxGridCellCoordsArray dirtyCells = m_owner->CalcCellsExposed( reg ); m_owner->DrawGridCellArea( dc, dirtyCells ); m_owner->DrawGridSpace( dc ); m_owner->DrawAllGridLines( dc, reg ); m_owner->DrawHighlight( dc, dirtyCells ); } void wxGrid::Render( wxDC& dc, const wxPoint& position, const wxSize& size, const wxGridCellCoords& topLeft, const wxGridCellCoords& bottomRight, int style ) { wxCHECK_RET( bottomRight.GetCol() < GetNumberCols(), "Invalid right column" ); wxCHECK_RET( bottomRight.GetRow() < GetNumberRows(), "Invalid bottom row" ); // store user settings and reset later // remove grid selection, don't paint selection colour // unless we have wxGRID_DRAW_SELECTION // block selections are the only ones catered for here wxGridCellCoordsArray selectedCells; bool hasSelection = IsSelection(); if ( hasSelection && !( style & wxGRID_DRAW_SELECTION ) ) { selectedCells = GetSelectionBlockTopLeft(); // non block selections may not have a bottom right if ( GetSelectionBlockBottomRight().size() ) selectedCells.Add( GetSelectionBlockBottomRight()[ 0 ] ); ClearSelection(); } // store user device origin wxCoord userOriginX, userOriginY; dc.GetDeviceOrigin( &userOriginX, &userOriginY ); // store user scale double scaleUserX, scaleUserY; dc.GetUserScale( &scaleUserX, &scaleUserY ); // set defaults if necessary wxGridCellCoords leftTop( topLeft ), rightBottom( bottomRight ); if ( leftTop.GetCol() < 0 ) leftTop.SetCol(0); if ( leftTop.GetRow() < 0 ) leftTop.SetRow(0); if ( rightBottom.GetCol() < 0 ) rightBottom.SetCol(GetNumberCols() - 1); if ( rightBottom.GetRow() < 0 ) rightBottom.SetRow(GetNumberRows() - 1); // get grid offset, size and cell parameters wxPoint pointOffSet; wxSize sizeGrid; wxGridCellCoordsArray renderCells; wxArrayInt arrayCols; wxArrayInt arrayRows; GetRenderSizes( leftTop, rightBottom, pointOffSet, sizeGrid, renderCells, arrayCols, arrayRows ); // add headers/labels to dimensions if ( style & wxGRID_DRAW_ROWS_HEADER ) sizeGrid.x += GetRowLabelSize(); if ( style & wxGRID_DRAW_COLS_HEADER ) sizeGrid.y += GetColLabelSize(); // get render start position in logical units wxPoint positionRender = GetRenderPosition( dc, position ); wxCoord originX = dc.LogicalToDeviceX( positionRender.x ); wxCoord originY = dc.LogicalToDeviceY( positionRender.y ); dc.SetDeviceOrigin( originX, originY ); SetRenderScale( dc, positionRender, size, sizeGrid ); // draw row headers at specified origin if ( GetRowLabelSize() > 0 && ( style & wxGRID_DRAW_ROWS_HEADER ) ) { if ( style & wxGRID_DRAW_COLS_HEADER ) { DrawCornerLabel( dc ); // do only if both col and row labels drawn originY += dc.LogicalToDeviceYRel( GetColLabelSize() ); } originY -= dc.LogicalToDeviceYRel( pointOffSet.y ); dc.SetDeviceOrigin( originX, originY ); DrawRowLabels( dc, arrayRows ); // reset for columns if ( style & wxGRID_DRAW_COLS_HEADER ) originY -= dc.LogicalToDeviceYRel( GetColLabelSize() ); originY += dc.LogicalToDeviceYRel( pointOffSet.y ); // X offset so we don't overwrite row labels originX += dc.LogicalToDeviceXRel( GetRowLabelSize() ); } // subtract col offset where startcol > 0 originX -= dc.LogicalToDeviceXRel( pointOffSet.x ); // no y offset for col labels, they are at the Y origin // draw column labels if ( style & wxGRID_DRAW_COLS_HEADER ) { dc.SetDeviceOrigin( originX, originY ); DrawColLabels( dc, arrayCols ); // don't overwrite the labels, increment originY originY += dc.LogicalToDeviceYRel( GetColLabelSize() ); } // set device origin to draw grid cells and lines originY -= dc.LogicalToDeviceYRel( pointOffSet.y ); dc.SetDeviceOrigin( originX, originY ); // draw cell area background dc.SetBrush( GetDefaultCellBackgroundColour() ); dc.SetPen( *wxTRANSPARENT_PEN ); // subtract headers from grid area dimensions wxSize sizeCells( sizeGrid ); if ( style & wxGRID_DRAW_ROWS_HEADER ) sizeCells.x -= GetRowLabelSize(); if ( style & wxGRID_DRAW_COLS_HEADER ) sizeCells.y -= GetColLabelSize(); dc.DrawRectangle( pointOffSet, sizeCells ); // draw cells DrawGridCellArea( dc, renderCells ); // draw grid lines if ( style & wxGRID_DRAW_CELL_LINES ) { wxRegion regionClip( pointOffSet.x, pointOffSet.y, sizeCells.x, sizeCells.y ); DrawRangeGridLines(dc, regionClip, renderCells[0], renderCells.Last()); } // draw render rectangle bounding lines DoRenderBox( dc, style, pointOffSet, sizeCells, leftTop, rightBottom ); // restore user setings dc.SetDeviceOrigin( userOriginX, userOriginY ); dc.SetUserScale( scaleUserX, scaleUserY ); if ( selectedCells.size() && !( style & wxGRID_DRAW_SELECTION ) ) { SelectBlock( selectedCells[ 0 ].GetRow(), selectedCells[ 0 ].GetCol(), selectedCells[ selectedCells.size() -1 ].GetRow(), selectedCells[ selectedCells.size() -1 ].GetCol() ); } } void wxGrid::SetRenderScale(wxDC& dc, const wxPoint& pos, const wxSize& size, const wxSize& sizeGrid ) { double scaleX, scaleY; wxSize sizeTemp; if ( size.GetWidth() != wxDefaultSize.GetWidth() ) // size.x was specified sizeTemp.SetWidth( size.GetWidth() ); else sizeTemp.SetWidth( dc.DeviceToLogicalXRel( dc.GetSize().GetWidth() ) - pos.x ); if ( size.GetHeight() != wxDefaultSize.GetHeight() ) // size.y was specified sizeTemp.SetHeight( size.GetHeight() ); else sizeTemp.SetHeight( dc.DeviceToLogicalYRel( dc.GetSize().GetHeight() ) - pos.y ); scaleX = (double)( (double) sizeTemp.GetWidth() / (double) sizeGrid.GetWidth() ); scaleY = (double)( (double) sizeTemp.GetHeight() / (double) sizeGrid.GetHeight() ); dc.SetUserScale( wxMin( scaleX, scaleY), wxMin( scaleX, scaleY ) ); } // get grid rendered size, origin offset and fill cell arrays void wxGrid::GetRenderSizes( const wxGridCellCoords& topLeft, const wxGridCellCoords& bottomRight, wxPoint& pointOffSet, wxSize& sizeGrid, wxGridCellCoordsArray& renderCells, wxArrayInt& arrayCols, wxArrayInt& arrayRows ) { pointOffSet.x = 0; pointOffSet.y = 0; sizeGrid.SetWidth( 0 ); sizeGrid.SetHeight( 0 ); int col, row; wxGridSizesInfo sizeinfo = GetColSizes(); for ( col = 0; col <= bottomRight.GetCol(); col++ ) { if ( col < topLeft.GetCol() ) { pointOffSet.x += sizeinfo.GetSize( col ); } else { for ( row = topLeft.GetRow(); row <= bottomRight.GetRow(); row++ ) { renderCells.Add( wxGridCellCoords( row, col )); arrayRows.Add( row ); // column labels rendered in DrawColLabels } arrayCols.Add( col ); // row labels rendered in DrawRowLabels sizeGrid.x += sizeinfo.GetSize( col ); } } sizeinfo = GetRowSizes(); for ( row = 0; row <= bottomRight.GetRow(); row++ ) { if ( row < topLeft.GetRow() ) pointOffSet.y += sizeinfo.GetSize( row ); else sizeGrid.y += sizeinfo.GetSize( row ); } } // get render start position // if position not specified use dc draw extents MaxX and MaxY wxPoint wxGrid::GetRenderPosition( wxDC& dc, const wxPoint& position ) { wxPoint positionRender( position ); if ( !positionRender.IsFullySpecified() ) { if ( positionRender.x == wxDefaultPosition.x ) positionRender.x = dc.MaxX(); if ( positionRender.y == wxDefaultPosition.y ) positionRender.y = dc.MaxY(); } return positionRender; } // draw render rectangle bounding lines // useful where there is multi cell row or col clipping and no cell border void wxGrid::DoRenderBox( wxDC& dc, const int& style, const wxPoint& pointOffSet, const wxSize& sizeCells, const wxGridCellCoords& topLeft, const wxGridCellCoords& bottomRight ) { if ( !( style & wxGRID_DRAW_BOX_RECT ) ) return; int bottom = pointOffSet.y + sizeCells.GetY(), right = pointOffSet.x + sizeCells.GetX() - 1; // horiz top line if we are not drawing column header/labels if ( !( style & wxGRID_DRAW_COLS_HEADER ) ) { int left = pointOffSet.x; left += ( style & wxGRID_DRAW_COLS_HEADER ) ? - GetRowLabelSize() : 0; dc.SetPen( GetRowGridLinePen( topLeft.GetRow() ) ); dc.DrawLine( left, pointOffSet.y, right, pointOffSet.y ); } // horiz bottom line dc.SetPen( GetRowGridLinePen( bottomRight.GetRow() ) ); dc.DrawLine( pointOffSet.x, bottom - 1, right, bottom - 1 ); // left vertical line if we are not drawing row header/labels if ( !( style & wxGRID_DRAW_ROWS_HEADER ) ) { int top = pointOffSet.y; top += ( style & wxGRID_DRAW_COLS_HEADER ) ? - GetColLabelSize() : 0; dc.SetPen( GetColGridLinePen( topLeft.GetCol() ) ); dc.DrawLine( pointOffSet.x -1, top, pointOffSet.x - 1, bottom - 1 ); } // right vertical line dc.SetPen( GetColGridLinePen( bottomRight.GetCol() ) ); dc.DrawLine( right, pointOffSet.y, right, bottom - 1 ); } void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect ) { wxWindow::ScrollWindow( dx, dy, rect ); m_owner->GetGridRowLabelWindow()->ScrollWindow( 0, dy, rect ); m_owner->GetGridColLabelWindow()->ScrollWindow( dx, 0, rect ); } void wxGridWindow::OnMouseEvent( wxMouseEvent& event ) { if (event.ButtonDown(wxMOUSE_BTN_LEFT) && FindFocus() != this) SetFocus(); m_owner->ProcessGridCellMouseEvent( event ); } void wxGridWindow::OnMouseWheel( wxMouseEvent& event ) { if (!m_owner->GetEventHandler()->ProcessEvent( event )) event.Skip(); } // This seems to be required for wxMotif/wxGTK otherwise the mouse // cursor must be in the cell edit control to get key events // void wxGridWindow::OnKeyDown( wxKeyEvent& event ) { if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip(); } void wxGridWindow::OnKeyUp( wxKeyEvent& event ) { if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip(); } void wxGridWindow::OnChar( wxKeyEvent& event ) { if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip(); } void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) ) { } void wxGridWindow::OnFocus(wxFocusEvent& event) { // and if we have any selection, it has to be repainted, because it // uses different colour when the grid is not focused: if ( m_owner->IsSelection() ) { Refresh(); } else { // NB: Note that this code is in "else" branch only because the other // branch refreshes everything and so there's no point in calling // Refresh() again, *not* because it should only be done if // !IsSelection(). If the above code is ever optimized to refresh // only selected area, this needs to be moved out of the "else" // branch so that it's always executed. // current cell cursor {dis,re}appears on focus change: const wxGridCellCoords cursorCoords(m_owner->GetGridCursorRow(), m_owner->GetGridCursorCol()); const wxRect cursor = m_owner->BlockToDeviceRect(cursorCoords, cursorCoords); if (cursor != wxGridNoCellRect) Refresh(true, &cursor); } if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip(); } #define internalXToCol(x) XToCol(x, true) #define internalYToRow(y) YToRow(y, true) ///////////////////////////////////////////////////////////////////// BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow ) EVT_PAINT( wxGrid::OnPaint ) EVT_SIZE( wxGrid::OnSize ) EVT_KEY_DOWN( wxGrid::OnKeyDown ) EVT_KEY_UP( wxGrid::OnKeyUp ) EVT_CHAR ( wxGrid::OnChar ) EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground ) EVT_COMMAND(wxID_ANY, wxEVT_GRID_HIDE_EDITOR, wxGrid::OnHideEditor ) END_EVENT_TABLE() bool wxGrid::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxString& name) { if (!wxScrolledWindow::Create(parent, id, pos, size, style | wxWANTS_CHARS, name)) return false; m_colMinWidths = wxLongToLongHashMap(GRID_HASH_SIZE); m_rowMinHeights = wxLongToLongHashMap(GRID_HASH_SIZE); Create(); SetInitialSize(size); CalcDimensions(); return true; } wxGrid::~wxGrid() { if ( m_winCapture ) m_winCapture->ReleaseMouse(); // Ensure that the editor control is destroyed before the grid is, // otherwise we crash later when the editor tries to do something with the // half destroyed grid HideCellEditControl(); // Must do this or ~wxScrollHelper will pop the wrong event handler SetTargetWindow(this); ClearAttrCache(); wxSafeDecRef(m_defaultCellAttr); #ifdef DEBUG_ATTR_CACHE size_t total = gs_nAttrCacheHits + gs_nAttrCacheMisses; wxPrintf(wxT("wxGrid attribute cache statistics: " "total: %u, hits: %u (%u%%)\n"), total, gs_nAttrCacheHits, total ? (gs_nAttrCacheHits*100) / total : 0); #endif // if we own the table, just delete it, otherwise at least don't leave it // with dangling view pointer if ( m_ownTable ) delete m_table; else if ( m_table && m_table->GetView() == this ) m_table->SetView(NULL); delete m_typeRegistry; delete m_selection; delete m_setFixedRows; delete m_setFixedCols; } // // ----- internal init and update functions // // NOTE: If using the default visual attributes works everywhere then this can // be removed as well as the #else cases below. #define _USE_VISATTR 0 void wxGrid::Create() { // create the type registry m_typeRegistry = new wxGridTypeRegistry; m_cellEditCtrlEnabled = false; m_defaultCellAttr = new wxGridCellAttr(); // Set default cell attributes m_defaultCellAttr->SetDefAttr(m_defaultCellAttr); m_defaultCellAttr->SetKind(wxGridCellAttr::Default); m_defaultCellAttr->SetFont(GetFont()); m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP); m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer); m_defaultCellAttr->SetEditor(new wxGridCellTextEditor); #if _USE_VISATTR wxVisualAttributes gva = wxListBox::GetClassDefaultAttributes(); wxVisualAttributes lva = wxPanel::GetClassDefaultAttributes(); m_defaultCellAttr->SetTextColour(gva.colFg); m_defaultCellAttr->SetBackgroundColour(gva.colBg); #else m_defaultCellAttr->SetTextColour( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT)); m_defaultCellAttr->SetBackgroundColour( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); #endif m_numRows = 0; m_numCols = 0; m_currentCellCoords = wxGridNoCellCoords; // subwindow components that make up the wxGrid m_rowLabelWin = new wxGridRowLabelWindow(this); CreateColumnWindow(); m_cornerLabelWin = new wxGridCornerLabelWindow(this); m_gridWin = new wxGridWindow( this ); SetTargetWindow( m_gridWin ); #if _USE_VISATTR wxColour gfg = gva.colFg; wxColour gbg = gva.colBg; wxColour lfg = lva.colFg; wxColour lbg = lva.colBg; #else wxColour gfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT ); wxColour gbg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW ); wxColour lfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT ); wxColour lbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE ); #endif m_cornerLabelWin->SetOwnForegroundColour(lfg); m_cornerLabelWin->SetOwnBackgroundColour(lbg); m_rowLabelWin->SetOwnForegroundColour(lfg); m_rowLabelWin->SetOwnBackgroundColour(lbg); m_colWindow->SetOwnForegroundColour(lfg); m_colWindow->SetOwnBackgroundColour(lbg); m_gridWin->SetOwnForegroundColour(gfg); m_gridWin->SetOwnBackgroundColour(gbg); m_labelBackgroundColour = m_rowLabelWin->GetBackgroundColour(); m_labelTextColour = m_rowLabelWin->GetForegroundColour(); // now that we have the grid window, use its font to compute the default // row height m_defaultRowHeight = m_gridWin->GetCharHeight(); #if defined(__WXMOTIF__) || defined(__WXGTK__) // see also text ctrl sizing in ShowCellEditControl() m_defaultRowHeight += 8; #else m_defaultRowHeight += 4; #endif } void wxGrid::CreateColumnWindow() { if ( m_useNativeHeader ) { m_colWindow = new wxGridHeaderCtrl(this); m_colLabelHeight = m_colWindow->GetBestSize().y; } else // draw labels ourselves { m_colWindow = new wxGridColLabelWindow(this); m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT; } } bool wxGrid::CreateGrid( int numRows, int numCols, wxGridSelectionModes selmode ) { wxCHECK_MSG( !m_created, false, wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") ); return SetTable(new wxGridStringTable(numRows, numCols), true, selmode); } void wxGrid::SetSelectionMode(wxGridSelectionModes selmode) { wxCHECK_RET( m_created, wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") ); m_selection->SetSelectionMode( selmode ); } wxGrid::wxGridSelectionModes wxGrid::GetSelectionMode() const { wxCHECK_MSG( m_created, wxGridSelectCells, wxT("Called wxGrid::GetSelectionMode() before calling CreateGrid()") ); return m_selection->GetSelectionMode(); } bool wxGrid::SetTable(wxGridTableBase *table, bool takeOwnership, wxGrid::wxGridSelectionModes selmode ) { bool checkSelection = false; if ( m_created ) { // stop all processing m_created = false; if (m_table) { m_table->SetView(0); if( m_ownTable ) delete m_table; m_table = NULL; } wxDELETE(m_selection); m_ownTable = false; m_numRows = 0; m_numCols = 0; checkSelection = true; // kill row and column size arrays m_colWidths.Empty(); m_colRights.Empty(); m_rowHeights.Empty(); m_rowBottoms.Empty(); } if (table) { m_numRows = table->GetNumberRows(); m_numCols = table->GetNumberCols(); m_table = table; m_table->SetView( this ); m_ownTable = takeOwnership; // Notice that this must be called after setting m_table as it uses it // indirectly, via wxGrid::GetColLabelValue(). if ( m_useNativeHeader ) GetGridColHeader()->SetColumnCount(m_numCols); m_selection = new wxGridSelection( this, selmode ); if (checkSelection) { // If the newly set table is smaller than the // original one current cell and selection regions // might be invalid, m_selectedBlockCorner = wxGridNoCellCoords; m_currentCellCoords = wxGridCellCoords(wxMin(m_numRows, m_currentCellCoords.GetRow()), wxMin(m_numCols, m_currentCellCoords.GetCol())); if (m_selectedBlockTopLeft.GetRow() >= m_numRows || m_selectedBlockTopLeft.GetCol() >= m_numCols) { m_selectedBlockTopLeft = wxGridNoCellCoords; m_selectedBlockBottomRight = wxGridNoCellCoords; } else m_selectedBlockBottomRight = wxGridCellCoords(wxMin(m_numRows, m_selectedBlockBottomRight.GetRow()), wxMin(m_numCols, m_selectedBlockBottomRight.GetCol())); } CalcDimensions(); m_created = true; } InvalidateBestSize(); return m_created; } void wxGrid::Init() { m_created = false; m_cornerLabelWin = NULL; m_rowLabelWin = NULL; m_colWindow = NULL; m_gridWin = NULL; m_table = NULL; m_ownTable = false; m_selection = NULL; m_defaultCellAttr = NULL; m_typeRegistry = NULL; m_winCapture = NULL; m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH; m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT; m_setFixedRows = m_setFixedCols = NULL; // init attr cache m_attrCache.row = -1; m_attrCache.col = -1; m_attrCache.attr = NULL; m_labelFont = GetFont(); m_labelFont.SetWeight( wxBOLD ); m_rowLabelHorizAlign = wxALIGN_CENTRE; m_rowLabelVertAlign = wxALIGN_CENTRE; m_colLabelHorizAlign = wxALIGN_CENTRE; m_colLabelVertAlign = wxALIGN_CENTRE; m_colLabelTextOrientation = wxHORIZONTAL; m_defaultColWidth = WXGRID_DEFAULT_COL_WIDTH; m_defaultRowHeight = 0; // this will be initialized after creation m_minAcceptableColWidth = WXGRID_MIN_COL_WIDTH; m_minAcceptableRowHeight = WXGRID_MIN_ROW_HEIGHT; m_gridLineColour = wxColour( 192,192,192 ); m_gridLinesEnabled = true; m_gridLinesClipHorz = m_gridLinesClipVert = true; m_cellHighlightColour = *wxBLACK; m_cellHighlightPenWidth = 2; m_cellHighlightROPenWidth = 1; m_canDragColMove = false; m_cursorMode = WXGRID_CURSOR_SELECT_CELL; m_winCapture = NULL; m_canDragRowSize = true; m_canDragColSize = true; m_canDragGridSize = true; m_canDragCell = false; m_dragLastPos = -1; m_dragRowOrCol = -1; m_isDragging = false; m_startDragPos = wxDefaultPosition; m_sortCol = wxNOT_FOUND; m_sortIsAscending = true; m_useNativeHeader = m_nativeColumnLabels = false; m_waitForSlowClick = false; m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS ); m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE ); m_currentCellCoords = wxGridNoCellCoords; m_selectedBlockTopLeft = m_selectedBlockBottomRight = m_selectedBlockCorner = wxGridNoCellCoords; m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT); m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT); m_editable = true; // default for whole grid m_inOnKeyDown = false; m_batchCount = 0; m_extraWidth = m_extraHeight = 0; // we can't call SetScrollRate() as the window isn't created yet but OTOH // we don't need to call it neither as the scroll position is (0, 0) right // now anyhow, so just set the parameters directly m_xScrollPixelsPerLine = GRID_SCROLL_LINE_X; m_yScrollPixelsPerLine = GRID_SCROLL_LINE_Y; m_tabBehaviour = Tab_Stop; } // ---------------------------------------------------------------------------- // the idea is to call these functions only when necessary because they create // quite big arrays which eat memory mostly unnecessary - in particular, if // default widths/heights are used for all rows/columns, we may not use these // arrays at all // // with some extra code, it should be possible to only store the widths/heights // different from default ones (resulting in space savings for huge grids) but // this is not done currently // ---------------------------------------------------------------------------- void wxGrid::InitRowHeights() { m_rowHeights.Empty(); m_rowBottoms.Empty(); m_rowHeights.Alloc( m_numRows ); m_rowBottoms.Alloc( m_numRows ); m_rowHeights.Add( m_defaultRowHeight, m_numRows ); int rowBottom = 0; for ( int i = 0; i < m_numRows; i++ ) { rowBottom += m_defaultRowHeight; m_rowBottoms.Add( rowBottom ); } } void wxGrid::InitColWidths() { m_colWidths.Empty(); m_colRights.Empty(); m_colWidths.Alloc( m_numCols ); m_colRights.Alloc( m_numCols ); m_colWidths.Add( m_defaultColWidth, m_numCols ); for ( int i = 0; i < m_numCols; i++ ) { int colRight = ( GetColPos( i ) + 1 ) * m_defaultColWidth; m_colRights.Add( colRight ); } } int wxGrid::GetColWidth(int col) const { if ( m_colWidths.IsEmpty() ) return m_defaultColWidth; // a negative width indicates a hidden column return m_colWidths[col] > 0 ? m_colWidths[col] : 0; } int wxGrid::GetColLeft(int col) const { if ( m_colRights.IsEmpty() ) return GetColPos( col ) * m_defaultColWidth; return m_colRights[col] - GetColWidth(col); } int wxGrid::GetColRight(int col) const { return m_colRights.IsEmpty() ? (GetColPos( col ) + 1) * m_defaultColWidth : m_colRights[col]; } int wxGrid::GetRowHeight(int row) const { // no custom heights / hidden rows if ( m_rowHeights.IsEmpty() ) return m_defaultRowHeight; // a negative height indicates a hidden row return m_rowHeights[row] > 0 ? m_rowHeights[row] : 0; } int wxGrid::GetRowTop(int row) const { if ( m_rowBottoms.IsEmpty() ) return row * m_defaultRowHeight; return m_rowBottoms[row] - GetRowHeight(row); } int wxGrid::GetRowBottom(int row) const { return m_rowBottoms.IsEmpty() ? (row + 1) * m_defaultRowHeight : m_rowBottoms[row]; } void wxGrid::CalcDimensions() { // compute the size of the scrollable area int w = m_numCols > 0 ? GetColRight(GetColAt(m_numCols - 1)) : 0; int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0; w += m_extraWidth; h += m_extraHeight; // take into account editor if shown if ( IsCellEditControlShown() ) { int w2, h2; int r = m_currentCellCoords.GetRow(); int c = m_currentCellCoords.GetCol(); int x = GetColLeft(c); int y = GetRowTop(r); // how big is the editor wxGridCellAttr* attr = GetCellAttr(r, c); wxGridCellEditor* editor = attr->GetEditor(this, r, c); editor->GetControl()->GetSize(&w2, &h2); w2 += x; h2 += y; if ( w2 > w ) w = w2; if ( h2 > h ) h = h2; editor->DecRef(); attr->DecRef(); } // preserve (more or less) the previous position int x, y; GetViewStart( &x, &y ); // ensure the position is valid for the new scroll ranges if ( x >= w ) x = wxMax( w - 1, 0 ); if ( y >= h ) y = wxMax( h - 1, 0 ); // update the virtual size and refresh the scrollbars to reflect it m_gridWin->SetVirtualSize(w, h); Scroll(x, y); AdjustScrollbars(); // if our OnSize() hadn't been called (it would if we have scrollbars), we // still must reposition the children CalcWindowSizes(); } wxSize wxGrid::GetSizeAvailableForScrollTarget(const wxSize& size) { wxSize sizeGridWin(size); sizeGridWin.x -= m_rowLabelWidth; sizeGridWin.y -= m_colLabelHeight; return sizeGridWin; } void wxGrid::CalcWindowSizes() { // escape if the window is has not been fully created yet if ( m_cornerLabelWin == NULL ) return; int cw, ch; GetClientSize( &cw, &ch ); // the grid may be too small to have enough space for the labels yet, don't // size the windows to negative sizes in this case int gw = cw - m_rowLabelWidth; int gh = ch - m_colLabelHeight; if (gw < 0) gw = 0; if (gh < 0) gh = 0; if ( m_cornerLabelWin && m_cornerLabelWin->IsShown() ) m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight ); if ( m_colWindow && m_colWindow->IsShown() ) m_colWindow->SetSize( m_rowLabelWidth, 0, gw, m_colLabelHeight ); if ( m_rowLabelWin && m_rowLabelWin->IsShown() ) m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, gh ); if ( m_gridWin && m_gridWin->IsShown() ) m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, gw, gh ); } // this is called when the grid table sends a message // to indicate that it has been redimensioned // bool wxGrid::Redimension( wxGridTableMessage& msg ) { int i; bool result = false; // Clear the attribute cache as the attribute might refer to a different // cell than stored in the cache after adding/removing rows/columns. ClearAttrCache(); // By the same reasoning, the editor should be dismissed if columns are // added or removed. And for consistency, it should IMHO always be // removed, not only if the cell "underneath" it actually changes. // For now, I intentionally do not save the editor's content as the // cell it might want to save that stuff to might no longer exist. HideCellEditControl(); switch ( msg.GetId() ) { case wxGRIDTABLE_NOTIFY_ROWS_INSERTED: { size_t pos = msg.GetCommandInt(); int numRows = msg.GetCommandInt2(); m_numRows += numRows; if ( !m_rowHeights.IsEmpty() ) { m_rowHeights.Insert( m_defaultRowHeight, pos, numRows ); m_rowBottoms.Insert( 0, pos, numRows ); int bottom = 0; if ( pos > 0 ) bottom = m_rowBottoms[pos - 1]; for ( i = pos; i < m_numRows; i++ ) { bottom += GetRowHeight(i); m_rowBottoms[i] = bottom; } } if ( m_currentCellCoords == wxGridNoCellCoords ) { // if we have just inserted cols into an empty grid the current // cell will be undefined... // SetCurrentCell( 0, 0 ); } if ( m_selection ) m_selection->UpdateRows( pos, numRows ); wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider(); if (attrProvider) attrProvider->UpdateAttrRows( pos, numRows ); if ( !GetBatchCount() ) { CalcDimensions(); m_rowLabelWin->Refresh(); } } result = true; break; case wxGRIDTABLE_NOTIFY_ROWS_APPENDED: { int numRows = msg.GetCommandInt(); int oldNumRows = m_numRows; m_numRows += numRows; if ( !m_rowHeights.IsEmpty() ) { m_rowHeights.Add( m_defaultRowHeight, numRows ); m_rowBottoms.Add( 0, numRows ); int bottom = 0; if ( oldNumRows > 0 ) bottom = m_rowBottoms[oldNumRows - 1]; for ( i = oldNumRows; i < m_numRows; i++ ) { bottom += GetRowHeight(i); m_rowBottoms[i] = bottom; } } if ( m_currentCellCoords == wxGridNoCellCoords ) { // if we have just inserted cols into an empty grid the current // cell will be undefined... // SetCurrentCell( 0, 0 ); } if ( !GetBatchCount() ) { CalcDimensions(); m_rowLabelWin->Refresh(); } } result = true; break; case wxGRIDTABLE_NOTIFY_ROWS_DELETED: { size_t pos = msg.GetCommandInt(); int numRows = msg.GetCommandInt2(); m_numRows -= numRows; if ( !m_rowHeights.IsEmpty() ) { m_rowHeights.RemoveAt( pos, numRows ); m_rowBottoms.RemoveAt( pos, numRows ); int h = 0; for ( i = 0; i < m_numRows; i++ ) { h += GetRowHeight(i); m_rowBottoms[i] = h; } } if ( !m_numRows ) { m_currentCellCoords = wxGridNoCellCoords; } else { if ( m_currentCellCoords.GetRow() >= m_numRows ) m_currentCellCoords.Set( 0, 0 ); } if ( m_selection ) m_selection->UpdateRows( pos, -((int)numRows) ); wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider(); if (attrProvider) { attrProvider->UpdateAttrRows( pos, -((int)numRows) ); // ifdef'd out following patch from Paul Gammans #if 0 // No need to touch column attributes, unless we // removed _all_ rows, in this case, we remove // all column attributes. // I hate to do this here, but the // needed data is not available inside UpdateAttrRows. if ( !GetNumberRows() ) attrProvider->UpdateAttrCols( 0, -GetNumberCols() ); #endif } if ( !GetBatchCount() ) { CalcDimensions(); m_rowLabelWin->Refresh(); } } result = true; break; case wxGRIDTABLE_NOTIFY_COLS_INSERTED: { size_t pos = msg.GetCommandInt(); int numCols = msg.GetCommandInt2(); m_numCols += numCols; if ( m_useNativeHeader ) GetGridColHeader()->SetColumnCount(m_numCols); if ( !m_colAt.IsEmpty() ) { //Shift the column IDs for ( i = 0; i < m_numCols - numCols; i++ ) { if ( m_colAt[i] >= (int)pos ) m_colAt[i] += numCols; } m_colAt.Insert( pos, pos, numCols ); //Set the new columns' positions for ( i = pos + 1; i < (int)pos + numCols; i++ ) { m_colAt[i] = i; } } if ( !m_colWidths.IsEmpty() ) { m_colWidths.Insert( m_defaultColWidth, pos, numCols ); m_colRights.Insert( 0, pos, numCols ); int right = 0; if ( pos > 0 ) right = m_colRights[GetColAt( pos - 1 )]; int colPos; for ( colPos = pos; colPos < m_numCols; colPos++ ) { i = GetColAt( colPos ); right += GetColWidth(i); m_colRights[i] = right; } } if ( m_currentCellCoords == wxGridNoCellCoords ) { // if we have just inserted cols into an empty grid the current // cell will be undefined... // SetCurrentCell( 0, 0 ); } if ( m_selection ) m_selection->UpdateCols( pos, numCols ); wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider(); if (attrProvider) attrProvider->UpdateAttrCols( pos, numCols ); if ( !GetBatchCount() ) { CalcDimensions(); m_colWindow->Refresh(); } } result = true; break; case wxGRIDTABLE_NOTIFY_COLS_APPENDED: { int numCols = msg.GetCommandInt(); int oldNumCols = m_numCols; m_numCols += numCols; if ( !m_colAt.IsEmpty() ) { m_colAt.Add( 0, numCols ); //Set the new columns' positions for ( i = oldNumCols; i < m_numCols; i++ ) { m_colAt[i] = i; } } if ( !m_colWidths.IsEmpty() ) { m_colWidths.Add( m_defaultColWidth, numCols ); m_colRights.Add( 0, numCols ); int right = 0; if ( oldNumCols > 0 ) right = m_colRights[GetColAt( oldNumCols - 1 )]; int colPos; for ( colPos = oldNumCols; colPos < m_numCols; colPos++ ) { i = GetColAt( colPos ); right += GetColWidth(i); m_colRights[i] = right; } } // Notice that this must be called after updating m_colWidths above // as the native grid control will check whether the new columns // are shown which results in accessing m_colWidths array. if ( m_useNativeHeader ) GetGridColHeader()->SetColumnCount(m_numCols); if ( m_currentCellCoords == wxGridNoCellCoords ) { // if we have just inserted cols into an empty grid the current // cell will be undefined... // SetCurrentCell( 0, 0 ); } if ( !GetBatchCount() ) { CalcDimensions(); m_colWindow->Refresh(); } } result = true; break; case wxGRIDTABLE_NOTIFY_COLS_DELETED: { size_t pos = msg.GetCommandInt(); int numCols = msg.GetCommandInt2(); m_numCols -= numCols; if ( m_useNativeHeader ) GetGridColHeader()->SetColumnCount(m_numCols); if ( !m_colAt.IsEmpty() ) { int colID = GetColAt( pos ); m_colAt.RemoveAt( pos, numCols ); //Shift the column IDs int colPos; for ( colPos = 0; colPos < m_numCols; colPos++ ) { if ( m_colAt[colPos] > colID ) m_colAt[colPos] -= numCols; } } if ( !m_colWidths.IsEmpty() ) { m_colWidths.RemoveAt( pos, numCols ); m_colRights.RemoveAt( pos, numCols ); int w = 0; int colPos; for ( colPos = 0; colPos < m_numCols; colPos++ ) { i = GetColAt( colPos ); w += GetColWidth(i); m_colRights[i] = w; } } if ( !m_numCols ) { m_currentCellCoords = wxGridNoCellCoords; } else { if ( m_currentCellCoords.GetCol() >= m_numCols ) m_currentCellCoords.Set( 0, 0 ); } if ( m_selection ) m_selection->UpdateCols( pos, -((int)numCols) ); wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider(); if (attrProvider) { attrProvider->UpdateAttrCols( pos, -((int)numCols) ); // ifdef'd out following patch from Paul Gammans #if 0 // No need to touch row attributes, unless we // removed _all_ columns, in this case, we remove // all row attributes. // I hate to do this here, but the // needed data is not available inside UpdateAttrCols. if ( !GetNumberCols() ) attrProvider->UpdateAttrRows( 0, -GetNumberRows() ); #endif } if ( !GetBatchCount() ) { CalcDimensions(); m_colWindow->Refresh(); } } result = true; break; } InvalidateBestSize(); if (result && !GetBatchCount() ) m_gridWin->Refresh(); return result; } wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg ) const { wxRegionIterator iter( reg ); wxRect r; wxArrayInt rowlabels; int top, bottom; while ( iter ) { r = iter.GetRect(); // TODO: remove this when we can... // There is a bug in wxMotif that gives garbage update // rectangles if you jump-scroll a long way by clicking the // scrollbar with middle button. This is a work-around // #if defined(__WXMOTIF__) int cw, ch; m_gridWin->GetClientSize( &cw, &ch ); if ( r.GetTop() > ch ) r.SetTop( 0 ); r.SetBottom( wxMin( r.GetBottom(), ch ) ); #endif // logical bounds of update region // int dummy; CalcUnscrolledPosition( 0, r.GetTop(), &dummy, &top ); CalcUnscrolledPosition( 0, r.GetBottom(), &dummy, &bottom ); // find the row labels within these bounds // int row; for ( row = internalYToRow(top); row < m_numRows; row++ ) { if ( GetRowBottom(row) < top ) continue; if ( GetRowTop(row) > bottom ) break; rowlabels.Add( row ); } ++iter; } return rowlabels; } wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg ) const { wxRegionIterator iter( reg ); wxRect r; wxArrayInt colLabels; int left, right; while ( iter ) { r = iter.GetRect(); // TODO: remove this when we can... // There is a bug in wxMotif that gives garbage update // rectangles if you jump-scroll a long way by clicking the // scrollbar with middle button. This is a work-around // #if defined(__WXMOTIF__) int cw, ch; m_gridWin->GetClientSize( &cw, &ch ); if ( r.GetLeft() > cw ) r.SetLeft( 0 ); r.SetRight( wxMin( r.GetRight(), cw ) ); #endif // logical bounds of update region // int dummy; CalcUnscrolledPosition( r.GetLeft(), 0, &left, &dummy ); CalcUnscrolledPosition( r.GetRight(), 0, &right, &dummy ); // find the cells within these bounds // int col; int colPos; for ( colPos = GetColPos( internalXToCol(left) ); colPos < m_numCols; colPos++ ) { col = GetColAt( colPos ); if ( GetColRight(col) < left ) continue; if ( GetColLeft(col) > right ) break; colLabels.Add( col ); } ++iter; } return colLabels; } wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg ) const { wxRect r; wxGridCellCoordsArray cellsExposed; int left, top, right, bottom; for ( wxRegionIterator iter(reg); iter; ++iter ) { r = iter.GetRect(); // Skip 0-height cells, they're invisible anyhow, don't waste time // getting their rectangles and so on. if ( !r.GetHeight() ) continue; // TODO: remove this when we can... // There is a bug in wxMotif that gives garbage update // rectangles if you jump-scroll a long way by clicking the // scrollbar with middle button. This is a work-around // #if defined(__WXMOTIF__) int cw, ch; m_gridWin->GetClientSize( &cw, &ch ); if ( r.GetTop() > ch ) r.SetTop( 0 ); if ( r.GetLeft() > cw ) r.SetLeft( 0 ); r.SetRight( wxMin( r.GetRight(), cw ) ); r.SetBottom( wxMin( r.GetBottom(), ch ) ); #endif // logical bounds of update region // CalcUnscrolledPosition( r.GetLeft(), r.GetTop(), &left, &top ); CalcUnscrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom ); // find the cells within these bounds wxArrayInt cols; for ( int row = internalYToRow(top); row < m_numRows; row++ ) { if ( GetRowBottom(row) <= top ) continue; if ( GetRowTop(row) > bottom ) break; // add all dirty cells in this row: notice that the columns which // are dirty don't depend on the row so we compute them only once // for the first dirty row and then reuse for all the next ones if ( cols.empty() ) { // do determine the dirty columns for ( int pos = XToPos(left); pos <= XToPos(right); pos++ ) cols.push_back(GetColAt(pos)); // if there are no dirty columns at all, nothing to do if ( cols.empty() ) break; } const size_t count = cols.size(); for ( size_t n = 0; n < count; n++ ) cellsExposed.Add(wxGridCellCoords(row, cols[n])); } } return cellsExposed; } void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event ) { int x, y, row; wxPoint pos( event.GetPosition() ); CalcUnscrolledPosition( pos.x, pos.y, &x, &y ); if ( event.Dragging() ) { if (!m_isDragging) m_isDragging = true; if ( event.LeftIsDown() ) { switch ( m_cursorMode ) { case WXGRID_CURSOR_RESIZE_ROW: { int cw, ch, left, dummy; m_gridWin->GetClientSize( &cw, &ch ); CalcUnscrolledPosition( 0, 0, &left, &dummy ); wxClientDC dc( m_gridWin ); PrepareDC( dc ); y = wxMax( y, GetRowTop(m_dragRowOrCol) + GetRowMinimalHeight(m_dragRowOrCol) ); dc.SetLogicalFunction(wxINVERT); if ( m_dragLastPos >= 0 ) { dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos ); } dc.DrawLine( left, y, left+cw, y ); m_dragLastPos = y; } break; case WXGRID_CURSOR_SELECT_ROW: { if ( (row = YToRow( y )) >= 0 ) { if ( m_selection ) m_selection->SelectRow(row, event); } } break; // default label to suppress warnings about "enumeration value // 'xxx' not handled in switch default: break; } } return; } if ( m_isDragging && (event.Entering() || event.Leaving()) ) return; if (m_isDragging) m_isDragging = false; // ------------ Entering or leaving the window // if ( event.Entering() || event.Leaving() ) { ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin); } // ------------ Left button pressed // else if ( event.LeftDown() ) { row = YToEdgeOfRow(y); if ( row != wxNOT_FOUND && CanDragRowSize(row) ) { ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin); } else // not a request to start resizing { row = YToRow(y); if ( row >= 0 && !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, row, -1, event ) ) { if ( !event.ShiftDown() && !event.CmdDown() ) ClearSelection(); if ( m_selection ) { if ( event.ShiftDown() ) { m_selection->SelectBlock ( m_currentCellCoords.GetRow(), 0, row, GetNumberCols() - 1, event ); } else { m_selection->SelectRow(row, event); } } ChangeCursorMode(WXGRID_CURSOR_SELECT_ROW, m_rowLabelWin); } } } // ------------ Left double click // else if (event.LeftDClick() ) { row = YToEdgeOfRow(y); if ( row != wxNOT_FOUND && CanDragRowSize(row) ) { // adjust row height depending on label text // // TODO: generate RESIZING event, see #10754 AutoSizeRowLabelSize( row ); SendGridSizeEvent(wxEVT_GRID_ROW_SIZE, row, -1, event); ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, GetColLabelWindow()); m_dragLastPos = -1; } else // not on row separator or it's not resizable { row = YToRow(y); if ( row >=0 && !SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event ) ) { // no default action at the moment } } } // ------------ Left button released // else if ( event.LeftUp() ) { if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW ) DoEndDragResizeRow(event); ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin); m_dragLastPos = -1; } // ------------ Right button down // else if ( event.RightDown() ) { row = YToRow(y); if ( row >=0 && !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) ) { // no default action at the moment } } // ------------ Right double click // else if ( event.RightDClick() ) { row = YToRow(y); if ( row >= 0 && !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) ) { // no default action at the moment } } // ------------ No buttons down and mouse moving // else if ( event.Moving() ) { m_dragRowOrCol = YToEdgeOfRow( y ); if ( m_dragRowOrCol != wxNOT_FOUND ) { if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL ) { if ( CanDragRowSize(m_dragRowOrCol) ) ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, false); } } else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL ) { ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, false); } } } void wxGrid::UpdateColumnSortingIndicator(int col) { wxCHECK_RET( col != wxNOT_FOUND, "invalid column index" ); if ( m_useNativeHeader ) GetGridColHeader()->UpdateColumn(col); else if ( m_nativeColumnLabels ) m_colWindow->Refresh(); //else: sorting indicator display not yet implemented in grid version } void wxGrid::SetSortingColumn(int col, bool ascending) { if ( col == m_sortCol ) { // we are already using this column for sorting (or not sorting at all) // but we might still change the sorting order, check for it if ( m_sortCol != wxNOT_FOUND && ascending != m_sortIsAscending ) { m_sortIsAscending = ascending; UpdateColumnSortingIndicator(m_sortCol); } } else // we're changing the column used for sorting { const int sortColOld = m_sortCol; // change it before updating the column as we want GetSortingColumn() // to return the correct new value m_sortCol = col; if ( sortColOld != wxNOT_FOUND ) UpdateColumnSortingIndicator(sortColOld); if ( m_sortCol != wxNOT_FOUND ) { m_sortIsAscending = ascending; UpdateColumnSortingIndicator(m_sortCol); } } } void wxGrid::DoColHeaderClick(int col) { // we consider that the grid was resorted if this event is processed and // not vetoed if ( SendEvent(wxEVT_GRID_COL_SORT, -1, col) == 1 ) { SetSortingColumn(col, IsSortingBy(col) ? !m_sortIsAscending : true); Refresh(); } } void wxGrid::DoStartResizeCol(int col) { m_dragRowOrCol = col; m_dragLastPos = -1; DoUpdateResizeColWidth(GetColWidth(m_dragRowOrCol)); } void wxGrid::DoUpdateResizeCol(int x) { int cw, ch, dummy, top; m_gridWin->GetClientSize( &cw, &ch ); CalcUnscrolledPosition( 0, 0, &dummy, &top ); wxClientDC dc( m_gridWin ); PrepareDC( dc ); x = wxMax( x, GetColLeft(m_dragRowOrCol) + GetColMinimalWidth(m_dragRowOrCol)); dc.SetLogicalFunction(wxINVERT); if ( m_dragLastPos >= 0 ) { dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top + ch ); } dc.DrawLine( x, top, x, top + ch ); m_dragLastPos = x; } void wxGrid::DoUpdateResizeColWidth(int w) { DoUpdateResizeCol(GetColLeft(m_dragRowOrCol) + w); } void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event ) { int x; CalcUnscrolledPosition( event.GetPosition().x, 0, &x, NULL ); int col = XToCol(x); if ( event.Dragging() ) { if (!m_isDragging) { m_isDragging = true; if ( m_cursorMode == WXGRID_CURSOR_MOVE_COL && col != -1 ) DoStartMoveCol(col); } if ( event.LeftIsDown() ) { switch ( m_cursorMode ) { case WXGRID_CURSOR_RESIZE_COL: DoUpdateResizeCol(x); break; case WXGRID_CURSOR_SELECT_COL: { if ( col != -1 ) { if ( m_selection ) m_selection->SelectCol(col, event); } } break; case WXGRID_CURSOR_MOVE_COL: { int posNew = XToPos(x); int colNew = GetColAt(posNew); // determine the position of the drop marker int markerX; if ( x >= GetColLeft(colNew) + (GetColWidth(colNew) / 2) ) markerX = GetColRight(colNew); else markerX = GetColLeft(colNew); if ( markerX != m_dragLastPos ) { wxClientDC dc( GetColLabelWindow() ); DoPrepareDC(dc); int cw, ch; GetColLabelWindow()->GetClientSize( &cw, &ch ); markerX++; //Clean up the last indicator if ( m_dragLastPos >= 0 ) { wxPen pen( GetColLabelWindow()->GetBackgroundColour(), 2 ); dc.SetPen(pen); dc.DrawLine( m_dragLastPos + 1, 0, m_dragLastPos + 1, ch ); dc.SetPen(wxNullPen); if ( XToCol( m_dragLastPos ) != -1 ) DrawColLabel( dc, XToCol( m_dragLastPos ) ); } const wxColour *color; //Moving to the same place? Don't draw a marker if ( colNew == m_dragRowOrCol ) color = wxLIGHT_GREY; else color = wxBLUE; //Draw the marker wxPen pen( *color, 2 ); dc.SetPen(pen); dc.DrawLine( markerX, 0, markerX, ch ); dc.SetPen(wxNullPen); m_dragLastPos = markerX - 1; } } break; // default label to suppress warnings about "enumeration value // 'xxx' not handled in switch default: break; } } return; } if ( m_isDragging && (event.Entering() || event.Leaving()) ) return; if (m_isDragging) m_isDragging = false; // ------------ Entering or leaving the window // if ( event.Entering() || event.Leaving() ) { ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, GetColLabelWindow()); } // ------------ Left button pressed // else if ( event.LeftDown() ) { int colEdge = XToEdgeOfCol(x); if ( colEdge != wxNOT_FOUND && CanDragColSize(colEdge) ) { ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, GetColLabelWindow()); } else // not a request to start resizing { if ( col >= 0 && !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, col, event ) ) { if ( m_canDragColMove ) { //Show button as pressed wxClientDC dc( GetColLabelWindow() ); int colLeft = GetColLeft( col ); int colRight = GetColRight( col ) - 1; dc.SetPen( wxPen( GetColLabelWindow()->GetBackgroundColour(), 1 ) ); dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight-1 ); dc.DrawLine( colLeft, 1, colRight, 1 ); ChangeCursorMode(WXGRID_CURSOR_MOVE_COL, GetColLabelWindow()); } else { if ( !event.ShiftDown() && !event.CmdDown() ) ClearSelection(); if ( m_selection ) { if ( event.ShiftDown() ) { m_selection->SelectBlock ( 0, m_currentCellCoords.GetCol(), GetNumberRows() - 1, col, event ); } else { m_selection->SelectCol(col, event); } } ChangeCursorMode(WXGRID_CURSOR_SELECT_COL, GetColLabelWindow()); } } } } // ------------ Left double click // if ( event.LeftDClick() ) { const int colEdge = XToEdgeOfCol(x); if ( colEdge == -1 ) { if ( col >= 0 && ! SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, col, event ) ) { // no default action at the moment } } else { // adjust column width depending on label text // // TODO: generate RESIZING event, see #10754 if ( !SendGridSizeEvent(wxEVT_GRID_COL_AUTO_SIZE, -1, colEdge, event) ) AutoSizeColLabelSize( colEdge ); SendGridSizeEvent(wxEVT_GRID_COL_SIZE, -1, colEdge, event); ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, GetColLabelWindow()); m_dragLastPos = -1; } } // ------------ Left button released // else if ( event.LeftUp() ) { switch ( m_cursorMode ) { case WXGRID_CURSOR_RESIZE_COL: DoEndDragResizeCol(event); break; case WXGRID_CURSOR_MOVE_COL: if ( m_dragLastPos == -1 || col == m_dragRowOrCol ) { // the column didn't actually move anywhere if ( col != -1 ) DoColHeaderClick(col); m_colWindow->Refresh(); // "unpress" the column } else { // get the position of the column we're over int pos = XToPos(x); // insert the column being dragged either before or after // it, depending on where exactly it was dropped, so // find the index of the column we're over: notice // that the existing "col" variable may be invalid but // we need a valid one here const int colValid = GetColAt(pos); // and check if we're on the "near" (usually left but right // in RTL case) part of the column const int middle = GetColLeft(colValid) + GetColWidth(colValid)/2; const bool onNearPart = (x <= middle); // adjust for the column being dragged itself if ( pos < GetColPos(m_dragRowOrCol) ) pos++; // and if it's on the near part of the target column, // insert it before it, not after if ( onNearPart ) pos--; DoEndMoveCol(pos); } break; case WXGRID_CURSOR_SELECT_COL: case WXGRID_CURSOR_SELECT_CELL: case WXGRID_CURSOR_RESIZE_ROW: case WXGRID_CURSOR_SELECT_ROW: if ( col != -1 ) DoColHeaderClick(col); break; } ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, GetColLabelWindow()); m_dragLastPos = -1; } // ------------ Right button down // else if ( event.RightDown() ) { if ( col >= 0 && !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) ) { // no default action at the moment } } // ------------ Right double click // else if ( event.RightDClick() ) { if ( col >= 0 && !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) ) { // no default action at the moment } } // ------------ No buttons down and mouse moving // else if ( event.Moving() ) { m_dragRowOrCol = XToEdgeOfCol( x ); if ( m_dragRowOrCol >= 0 ) { if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL ) { if ( CanDragColSize(m_dragRowOrCol) ) ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, GetColLabelWindow(), false); } } else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL ) { ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, GetColLabelWindow(), false); } } } void wxGrid::ProcessCornerLabelMouseEvent( wxMouseEvent& event ) { if ( event.LeftDown() ) { // indicate corner label by having both row and // col args == -1 // if ( !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, -1, event ) ) { SelectAll(); } } else if ( event.LeftDClick() ) { SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, -1, event ); } else if ( event.RightDown() ) { if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, -1, event ) ) { // no default action at the moment } } else if ( event.RightDClick() ) { if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, -1, event ) ) { // no default action at the moment } } } void wxGrid::CancelMouseCapture() { // cancel operation currently in progress, whatever it is if ( m_winCapture ) { m_isDragging = false; m_startDragPos = wxDefaultPosition; m_cursorMode = WXGRID_CURSOR_SELECT_CELL; m_winCapture->SetCursor( *wxSTANDARD_CURSOR ); m_winCapture = NULL; // remove traces of whatever we drew on screen Refresh(); } } void wxGrid::ChangeCursorMode(CursorMode mode, wxWindow *win, bool captureMouse) { #if wxUSE_LOG_TRACE static const wxChar *const cursorModes[] = { wxT("SELECT_CELL"), wxT("RESIZE_ROW"), wxT("RESIZE_COL"), wxT("SELECT_ROW"), wxT("SELECT_COL"), wxT("MOVE_COL"), }; wxLogTrace(wxT("grid"), wxT("wxGrid cursor mode (mouse capture for %s): %s -> %s"), win == m_colWindow ? wxT("colLabelWin") : win ? wxT("rowLabelWin") : wxT("gridWin"), cursorModes[m_cursorMode], cursorModes[mode]); #endif // wxUSE_LOG_TRACE if ( mode == m_cursorMode && win == m_winCapture && captureMouse == (m_winCapture != NULL)) return; if ( !win ) { // by default use the grid itself win = m_gridWin; } if ( m_winCapture ) { m_winCapture->ReleaseMouse(); m_winCapture = NULL; } m_cursorMode = mode; switch ( m_cursorMode ) { case WXGRID_CURSOR_RESIZE_ROW: win->SetCursor( m_rowResizeCursor ); break; case WXGRID_CURSOR_RESIZE_COL: win->SetCursor( m_colResizeCursor ); break; case WXGRID_CURSOR_MOVE_COL: win->SetCursor( wxCursor(wxCURSOR_HAND) ); break; default: win->SetCursor( *wxSTANDARD_CURSOR ); break; } // we need to capture mouse when resizing bool resize = m_cursorMode == WXGRID_CURSOR_RESIZE_ROW || m_cursorMode == WXGRID_CURSOR_RESIZE_COL; if ( captureMouse && resize ) { win->CaptureMouse(); m_winCapture = win; } } // ---------------------------------------------------------------------------- // grid mouse event processing // ---------------------------------------------------------------------------- bool wxGrid::DoGridCellDrag(wxMouseEvent& event, const wxGridCellCoords& coords, bool isFirstDrag) { bool performDefault = true ; if ( coords == wxGridNoCellCoords ) return performDefault; // we're outside any valid cell // Hide the edit control, so it won't interfere with drag-shrinking. if ( IsCellEditControlShown() ) { HideCellEditControl(); SaveEditControlValue(); } switch ( event.GetModifiers() ) { case wxMOD_CONTROL: if ( m_selectedBlockCorner == wxGridNoCellCoords) m_selectedBlockCorner = coords; if ( isFirstDrag ) SetGridCursor(coords); UpdateBlockBeingSelected(m_currentCellCoords, coords); break; case wxMOD_NONE: if ( CanDragCell() ) { if ( isFirstDrag ) { if ( m_selectedBlockCorner == wxGridNoCellCoords) m_selectedBlockCorner = coords; // if event is handled by user code, no further processing if ( SendEvent(wxEVT_GRID_CELL_BEGIN_DRAG, coords, event) != 0 ) performDefault = false; return performDefault; } } UpdateBlockBeingSelected(m_currentCellCoords, coords); break; default: // we don't handle the other key modifiers event.Skip(); } return performDefault; } void wxGrid::DoGridLineDrag(wxMouseEvent& event, const wxGridOperations& oper) { wxClientDC dc(m_gridWin); PrepareDC(dc); dc.SetLogicalFunction(wxINVERT); const wxRect rectWin(CalcUnscrolledPosition(wxPoint(0, 0)), m_gridWin->GetClientSize()); // erase the previously drawn line, if any if ( m_dragLastPos >= 0 ) oper.DrawParallelLineInRect(dc, rectWin, m_dragLastPos); // we need the vertical position for rows and horizontal for columns here m_dragLastPos = oper.Dual().Select(CalcUnscrolledPosition(event.GetPosition())); // don't allow resizing beneath the minimal size const int posMin = oper.GetLineStartPos(this, m_dragRowOrCol) + oper.GetMinimalLineSize(this, m_dragRowOrCol); if ( m_dragLastPos < posMin ) m_dragLastPos = posMin; // and draw it at the new position oper.DrawParallelLineInRect(dc, rectWin, m_dragLastPos); } void wxGrid::DoGridDragEvent(wxMouseEvent& event, const wxGridCellCoords& coords) { if ( !m_isDragging ) { // Don't start doing anything until the mouse has been dragged far // enough const wxPoint& pt = event.GetPosition(); if ( m_startDragPos == wxDefaultPosition ) { m_startDragPos = pt; return; } if ( abs(m_startDragPos.x - pt.x) <= DRAG_SENSITIVITY && abs(m_startDragPos.y - pt.y) <= DRAG_SENSITIVITY ) return; } const bool isFirstDrag = !m_isDragging; m_isDragging = true; switch ( m_cursorMode ) { case WXGRID_CURSOR_SELECT_CELL: // no further handling if handled by user if ( DoGridCellDrag(event, coords, isFirstDrag) == false ) return; break; case WXGRID_CURSOR_RESIZE_ROW: DoGridLineDrag(event, wxGridRowOperations()); break; case WXGRID_CURSOR_RESIZE_COL: DoGridLineDrag(event, wxGridColumnOperations()); break; default: event.Skip(); } if ( isFirstDrag ) { wxASSERT_MSG( !m_winCapture, "shouldn't capture the mouse twice" ); m_winCapture = m_gridWin; m_winCapture->CaptureMouse(); } } void wxGrid::DoGridCellLeftDown(wxMouseEvent& event, const wxGridCellCoords& coords, const wxPoint& pos) { if ( SendEvent(wxEVT_GRID_CELL_LEFT_CLICK, coords, event) ) { // event handled by user code, no need to do anything here return; } if ( !event.CmdDown() ) ClearSelection(); if ( event.ShiftDown() ) { if ( m_selection ) { m_selection->SelectBlock(m_currentCellCoords, coords, event); m_selectedBlockCorner = coords; } } else if ( XToEdgeOfCol(pos.x) < 0 && YToEdgeOfRow(pos.y) < 0 ) { DisableCellEditControl(); MakeCellVisible( coords ); if ( event.CmdDown() ) { if ( m_selection ) { m_selection->ToggleCellSelection(coords, event); } m_selectedBlockTopLeft = wxGridNoCellCoords; m_selectedBlockBottomRight = wxGridNoCellCoords; m_selectedBlockCorner = coords; } else { if ( m_selection ) { // In row or column selection mode just clicking on the cell // should select the row or column containing it: this is more // convenient for the kinds of controls that use such selection // mode and is compatible with 2.8 behaviour (see #12062). switch ( m_selection->GetSelectionMode() ) { case wxGridSelectCells: case wxGridSelectRowsOrColumns: // nothing to do in these cases break; case wxGridSelectRows: m_selection->SelectRow(coords.GetRow()); break; case wxGridSelectColumns: m_selection->SelectCol(coords.GetCol()); break; } } m_waitForSlowClick = m_currentCellCoords == coords && coords != wxGridNoCellCoords; SetCurrentCell( coords ); } } } void wxGrid::DoGridCellLeftDClick(wxMouseEvent& event, const wxGridCellCoords& coords, const wxPoint& pos) { if ( XToEdgeOfCol(pos.x) < 0 && YToEdgeOfRow(pos.y) < 0 ) { if ( !SendEvent(wxEVT_GRID_CELL_LEFT_DCLICK, coords, event) ) { // we want double click to select a cell and start editing // (i.e. to behave in same way as sequence of two slow clicks): m_waitForSlowClick = true; } } } void wxGrid::DoGridCellLeftUp(wxMouseEvent& event, const wxGridCellCoords& coords) { if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL ) { if (m_winCapture) { m_winCapture->ReleaseMouse(); m_winCapture = NULL; } if ( coords == m_currentCellCoords && m_waitForSlowClick && CanEnableCellControl() ) { ClearSelection(); EnableCellEditControl(); wxGridCellAttr *attr = GetCellAttr(coords); wxGridCellEditor *editor = attr->GetEditor(this, coords.GetRow(), coords.GetCol()); editor->StartingClick(); editor->DecRef(); attr->DecRef(); m_waitForSlowClick = false; } else if ( m_selectedBlockTopLeft != wxGridNoCellCoords && m_selectedBlockBottomRight != wxGridNoCellCoords ) { if ( m_selection ) { m_selection->SelectBlock( m_selectedBlockTopLeft, m_selectedBlockBottomRight, event ); } m_selectedBlockTopLeft = wxGridNoCellCoords; m_selectedBlockBottomRight = wxGridNoCellCoords; // Show the edit control, if it has been hidden for // drag-shrinking. ShowCellEditControl(); } } else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW ) { ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL); DoEndDragResizeRow(event); } else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL ) { ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL); DoEndDragResizeCol(event); } m_dragLastPos = -1; } void wxGrid::DoGridMouseMoveEvent(wxMouseEvent& WXUNUSED(event), const wxGridCellCoords& coords, const wxPoint& pos) { if ( coords.GetRow() < 0 || coords.GetCol() < 0 ) { // out of grid cell area ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL); return; } int dragRow = YToEdgeOfRow( pos.y ); int dragCol = XToEdgeOfCol( pos.x ); // Dragging on the corner of a cell to resize in both // directions is not implemented yet... // if ( dragRow >= 0 && dragCol >= 0 ) { ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL); return; } if ( dragRow >= 0 && CanDragGridSize() && CanDragRowSize(dragRow) ) { if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL ) { m_dragRowOrCol = dragRow; ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, NULL, false); } } // When using the native header window we can only resize the columns by // dragging the dividers in it because we can't make it enter into the // column resizing mode programmatically else if ( dragCol >= 0 && !m_useNativeHeader && CanDragGridSize() && CanDragColSize(dragCol) ) { if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL ) { m_dragRowOrCol = dragCol; ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, NULL, false); } } else // Neither on a row or col edge { if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL ) { ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL); } } } void wxGrid::ProcessGridCellMouseEvent(wxMouseEvent& event) { if ( event.Entering() || event.Leaving() ) { // we don't care about these events but we must not reset m_isDragging // if they happen so return before anything else is done event.Skip(); return; } const wxPoint pos = CalcUnscrolledPosition(event.GetPosition()); // coordinates of the cell under mouse wxGridCellCoords coords = XYToCell(pos); int cell_rows, cell_cols; GetCellSize( coords.GetRow(), coords.GetCol(), &cell_rows, &cell_cols ); if ( (cell_rows < 0) || (cell_cols < 0) ) { coords.SetRow(coords.GetRow() + cell_rows); coords.SetCol(coords.GetCol() + cell_cols); } if ( event.Dragging() ) { if ( event.LeftIsDown() ) DoGridDragEvent(event, coords); else event.Skip(); return; } m_isDragging = false; m_startDragPos = wxDefaultPosition; // deal with various button presses if ( event.IsButton() ) { if ( coords != wxGridNoCellCoords ) { DisableCellEditControl(); if ( event.LeftDown() ) DoGridCellLeftDown(event, coords, pos); else if ( event.LeftDClick() ) DoGridCellLeftDClick(event, coords, pos); else if ( event.RightDown() ) SendEvent(wxEVT_GRID_CELL_RIGHT_CLICK, coords, event); else if ( event.RightDClick() ) SendEvent(wxEVT_GRID_CELL_RIGHT_DCLICK, coords, event); } // this one should be called even if we're not over any cell if ( event.LeftUp() ) { DoGridCellLeftUp(event, coords); } } else if ( event.Moving() ) { DoGridMouseMoveEvent(event, coords, pos); } else // unknown mouse event? { event.Skip(); } } // this function returns true only if the size really changed bool wxGrid::DoEndDragResizeLine(const wxGridOperations& oper) { if ( m_dragLastPos == -1 ) return false; const wxGridOperations& doper = oper.Dual(); const wxSize size = m_gridWin->GetClientSize(); const wxPoint ptOrigin = CalcUnscrolledPosition(wxPoint(0, 0)); // erase the last line we drew wxClientDC dc(m_gridWin); PrepareDC(dc); dc.SetLogicalFunction(wxINVERT); const int posLineStart = oper.Select(ptOrigin); const int posLineEnd = oper.Select(ptOrigin) + oper.Select(size); oper.DrawParallelLine(dc, posLineStart, posLineEnd, m_dragLastPos); // temporarily hide the edit control before resizing HideCellEditControl(); SaveEditControlValue(); // do resize the line const int lineStart = oper.GetLineStartPos(this, m_dragRowOrCol); const int lineSizeOld = oper.GetLineSize(this, m_dragRowOrCol); oper.SetLineSize(this, m_dragRowOrCol, wxMax(m_dragLastPos - lineStart, oper.GetMinimalLineSize(this, m_dragRowOrCol))); const bool sizeChanged = oper.GetLineSize(this, m_dragRowOrCol) != lineSizeOld; m_dragLastPos = -1; // refresh now if we're not frozen if ( !GetBatchCount() ) { // we need to refresh everything beyond the resized line in the header // window // get the position from which to refresh in the other direction wxRect rect(CellToRect(oper.MakeCoords(m_dragRowOrCol, 0))); rect.SetPosition(CalcScrolledPosition(rect.GetPosition())); // we only need the ordinate (for rows) or abscissa (for columns) here, // and need to cover the entire window in the other direction oper.Select(rect) = 0; wxRect rectHeader(rect.GetPosition(), oper.MakeSize ( oper.GetHeaderWindowSize(this), doper.Select(size) - doper.Select(rect) )); oper.GetHeaderWindow(this)->Refresh(true, &rectHeader); // also refresh the grid window: extend the rectangle if ( m_table ) { oper.SelectSize(rect) = oper.Select(size); int subtractLines = 0; int line = doper.PosToLine(this, posLineStart); if ( line >= 0 ) { // ensure that if we have a multi-cell block we redraw all of // it by increasing the refresh area to cover it entirely if a // part of it is affected const int lineEnd = doper.PosToLine(this, posLineEnd, true); for ( ; line < lineEnd; line++ ) { int cellLines = oper.Select( GetCellSize(oper.MakeCoords(m_dragRowOrCol, line))); if ( cellLines < subtractLines ) subtractLines = cellLines; } } int startPos = oper.GetLineStartPos(this, m_dragRowOrCol + subtractLines); startPos = doper.CalcScrolledPosition(this, startPos); doper.Select(rect) = startPos; doper.SelectSize(rect) = doper.Select(size) - startPos; m_gridWin->Refresh(false, &rect); } } // show the edit control back again ShowCellEditControl(); return sizeChanged; } void wxGrid::DoEndDragResizeRow(const wxMouseEvent& event) { // TODO: generate RESIZING event, see #10754 if ( DoEndDragResizeLine(wxGridRowOperations()) ) SendGridSizeEvent(wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event); } void wxGrid::DoEndDragResizeCol(const wxMouseEvent& event) { // TODO: generate RESIZING event, see #10754 if ( DoEndDragResizeLine(wxGridColumnOperations()) ) SendGridSizeEvent(wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event); } void wxGrid::DoStartMoveCol(int col) { m_dragRowOrCol = col; } void wxGrid::DoEndMoveCol(int pos) { wxASSERT_MSG( m_dragRowOrCol != -1, "no matching DoStartMoveCol?" ); if ( SendEvent(wxEVT_GRID_COL_MOVE, -1, m_dragRowOrCol) != -1 ) SetColPos(m_dragRowOrCol, pos); //else: vetoed by user m_dragRowOrCol = -1; } void wxGrid::RefreshAfterColPosChange() { // recalculate the column rights as the column positions have changed, // unless we calculate them dynamically because all columns widths are the // same and it's easy to do if ( !m_colWidths.empty() ) { int colRight = 0; for ( int colPos = 0; colPos < m_numCols; colPos++ ) { int colID = GetColAt( colPos ); // Ignore the currently hidden columns. const int width = m_colWidths[colID]; if ( width > 0 ) colRight += width; m_colRights[colID] = colRight; } } // and make the changes visible if ( m_useNativeHeader ) { if ( m_colAt.empty() ) GetGridColHeader()->ResetColumnsOrder(); else GetGridColHeader()->SetColumnsOrder(m_colAt); } else { m_colWindow->Refresh(); } m_gridWin->Refresh(); } void wxGrid::SetColumnsOrder(const wxArrayInt& order) { m_colAt = order; RefreshAfterColPosChange(); } void wxGrid::SetColPos(int idx, int pos) { // we're going to need m_colAt now, initialize it if needed if ( m_colAt.empty() ) { m_colAt.reserve(m_numCols); for ( int i = 0; i < m_numCols; i++ ) m_colAt.push_back(i); } wxHeaderCtrl::MoveColumnInOrderArray(m_colAt, idx, pos); RefreshAfterColPosChange(); } void wxGrid::ResetColPos() { m_colAt.clear(); RefreshAfterColPosChange(); } void wxGrid::EnableDragColMove( bool enable ) { if ( m_canDragColMove == enable ) return; if ( m_useNativeHeader ) { // update all columns to make them [not] reorderable GetGridColHeader()->SetColumnCount(m_numCols); } m_canDragColMove = enable; // we use to call ResetColPos() from here if !enable but this doesn't seem // right as it would mean there would be no way to "freeze" the current // columns order by disabling moving them after putting them in the desired // order, whereas now you can always call ResetColPos() manually if needed } // // ------ interaction with data model // bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg ) { switch ( msg.GetId() ) { case wxGRIDTABLE_REQUEST_VIEW_GET_VALUES: return GetModelValues(); case wxGRIDTABLE_REQUEST_VIEW_SEND_VALUES: return SetModelValues(); case wxGRIDTABLE_NOTIFY_ROWS_INSERTED: case wxGRIDTABLE_NOTIFY_ROWS_APPENDED: case wxGRIDTABLE_NOTIFY_ROWS_DELETED: case wxGRIDTABLE_NOTIFY_COLS_INSERTED: case wxGRIDTABLE_NOTIFY_COLS_APPENDED: case wxGRIDTABLE_NOTIFY_COLS_DELETED: return Redimension( msg ); default: return false; } } // The behaviour of this function depends on the grid table class // Clear() function. For the default wxGridStringTable class the // behaviour is to replace all cell contents with wxEmptyString but // not to change the number of rows or cols. // void wxGrid::ClearGrid() { if ( m_table ) { if (IsCellEditControlEnabled()) DisableCellEditControl(); m_table->Clear(); if (!GetBatchCount()) m_gridWin->Refresh(); } } bool wxGrid::DoModifyLines(bool (wxGridTableBase::*funcModify)(size_t, size_t), int pos, int num, bool WXUNUSED(updateLabels) ) { wxCHECK_MSG( m_created, false, "must finish creating the grid first" ); if ( !m_table ) return false; if ( IsCellEditControlEnabled() ) DisableCellEditControl(); return (m_table->*funcModify)(pos, num); // the table will have sent the results of the insert row // operation to this view object as a grid table message } bool wxGrid::DoAppendLines(bool (wxGridTableBase::*funcAppend)(size_t), int num, bool WXUNUSED(updateLabels)) { wxCHECK_MSG( m_created, false, "must finish creating the grid first" ); if ( !m_table ) return false; return (m_table->*funcAppend)(num); } // ---------------------------------------------------------------------------- // event generation helpers // ---------------------------------------------------------------------------- bool wxGrid::SendGridSizeEvent(wxEventType type, int row, int col, const wxMouseEvent& mouseEv) { int rowOrCol = row == -1 ? col : row; wxGridSizeEvent gridEvt( GetId(), type, this, rowOrCol, mouseEv.GetX() + GetRowLabelSize(), mouseEv.GetY() + GetColLabelSize(), mouseEv); return GetEventHandler()->ProcessEvent(gridEvt); } // Generate a grid event based on a mouse event and return: // -1 if the event was vetoed // +1 if the event was processed (but not vetoed) // 0 if the event wasn't handled int wxGrid::SendEvent(const wxEventType type, int row, int col, const wxMouseEvent& mouseEv) { bool claimed, vetoed; if ( type == wxEVT_GRID_RANGE_SELECT ) { // Right now, it should _never_ end up here! wxGridRangeSelectEvent gridEvt( GetId(), type, this, m_selectedBlockTopLeft, m_selectedBlockBottomRight, true, mouseEv); claimed = GetEventHandler()->ProcessEvent(gridEvt); vetoed = !gridEvt.IsAllowed(); } else if ( type == wxEVT_GRID_LABEL_LEFT_CLICK || type == wxEVT_GRID_LABEL_LEFT_DCLICK || type == wxEVT_GRID_LABEL_RIGHT_CLICK || type == wxEVT_GRID_LABEL_RIGHT_DCLICK ) { wxPoint pos = mouseEv.GetPosition(); if ( mouseEv.GetEventObject() == GetGridRowLabelWindow() ) pos.y += GetColLabelSize(); if ( mouseEv.GetEventObject() == GetGridColLabelWindow() ) pos.x += GetRowLabelSize(); wxGridEvent gridEvt( GetId(), type, this, row, col, pos.x, pos.y, false, mouseEv); claimed = GetEventHandler()->ProcessEvent(gridEvt); vetoed = !gridEvt.IsAllowed(); } else { wxGridEvent gridEvt( GetId(), type, this, row, col, mouseEv.GetX() + GetRowLabelSize(), mouseEv.GetY() + GetColLabelSize(), false, mouseEv); if ( type == wxEVT_GRID_CELL_BEGIN_DRAG ) { // by default the dragging is not supported, the user code must // explicitly allow the event for it to take place gridEvt.Veto(); } claimed = GetEventHandler()->ProcessEvent(gridEvt); vetoed = !gridEvt.IsAllowed(); } // A Veto'd event may not be `claimed' so test this first if (vetoed) return -1; return claimed ? 1 : 0; } // Generate a grid event of specified type, return value same as above // int wxGrid::SendEvent(const wxEventType type, int row, int col, const wxString& s) { wxGridEvent gridEvt( GetId(), type, this, row, col ); gridEvt.SetString(s); const bool claimed = GetEventHandler()->ProcessEvent(gridEvt); // A Veto'd event may not be `claimed' so test this first if ( !gridEvt.IsAllowed() ) return -1; return claimed ? 1 : 0; } void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) ) { // needed to prevent zillions of paint events on MSW wxPaintDC dc(this); } void wxGrid::Refresh(bool eraseb, const wxRect* rect) { // Don't do anything if between Begin/EndBatch... // EndBatch() will do all this on the last nested one anyway. if ( m_created && !GetBatchCount() ) { // Refresh to get correct scrolled position: wxScrolledWindow::Refresh(eraseb, rect); if (rect) { int rect_x, rect_y, rectWidth, rectHeight; int width_label, width_cell, height_label, height_cell; int x, y; // Copy rectangle can get scroll offsets.. rect_x = rect->GetX(); rect_y = rect->GetY(); rectWidth = rect->GetWidth(); rectHeight = rect->GetHeight(); width_label = m_rowLabelWidth - rect_x; if (width_label > rectWidth) width_label = rectWidth; height_label = m_colLabelHeight - rect_y; if (height_label > rectHeight) height_label = rectHeight; if (rect_x > m_rowLabelWidth) { x = rect_x - m_rowLabelWidth; width_cell = rectWidth; } else { x = 0; width_cell = rectWidth - (m_rowLabelWidth - rect_x); } if (rect_y > m_colLabelHeight) { y = rect_y - m_colLabelHeight; height_cell = rectHeight; } else { y = 0; height_cell = rectHeight - (m_colLabelHeight - rect_y); } // Paint corner label part intersecting rect. if ( width_label > 0 && height_label > 0 ) { wxRect anotherrect(rect_x, rect_y, width_label, height_label); m_cornerLabelWin->Refresh(eraseb, &anotherrect); } // Paint col labels part intersecting rect. if ( width_cell > 0 && height_label > 0 ) { wxRect anotherrect(x, rect_y, width_cell, height_label); m_colWindow->Refresh(eraseb, &anotherrect); } // Paint row labels part intersecting rect. if ( width_label > 0 && height_cell > 0 ) { wxRect anotherrect(rect_x, y, width_label, height_cell); m_rowLabelWin->Refresh(eraseb, &anotherrect); } // Paint cell area part intersecting rect. if ( width_cell > 0 && height_cell > 0 ) { wxRect anotherrect(x, y, width_cell, height_cell); m_gridWin->Refresh(eraseb, &anotherrect); } } else { m_cornerLabelWin->Refresh(eraseb, NULL); m_colWindow->Refresh(eraseb, NULL); m_rowLabelWin->Refresh(eraseb, NULL); m_gridWin->Refresh(eraseb, NULL); } } } void wxGrid::OnSize(wxSizeEvent& WXUNUSED(event)) { if (m_targetWindow != this) // check whether initialisation has been done { // reposition our children windows CalcWindowSizes(); } } void wxGrid::OnKeyDown( wxKeyEvent& event ) { if ( m_inOnKeyDown ) { // shouldn't be here - we are going round in circles... // wxFAIL_MSG( wxT("wxGrid::OnKeyDown called while already active") ); } m_inOnKeyDown = true; // propagate the event up and see if it gets processed wxWindow *parent = GetParent(); wxKeyEvent keyEvt( event ); keyEvt.SetEventObject( parent ); if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) ) { if (GetLayoutDirection() == wxLayout_RightToLeft) { if (event.GetKeyCode() == WXK_RIGHT) event.m_keyCode = WXK_LEFT; else if (event.GetKeyCode() == WXK_LEFT) event.m_keyCode = WXK_RIGHT; } // try local handlers switch ( event.GetKeyCode() ) { case WXK_UP: if ( event.ControlDown() ) MoveCursorUpBlock( event.ShiftDown() ); else MoveCursorUp( event.ShiftDown() ); break; case WXK_DOWN: if ( event.ControlDown() ) MoveCursorDownBlock( event.ShiftDown() ); else MoveCursorDown( event.ShiftDown() ); break; case WXK_LEFT: if ( event.ControlDown() ) MoveCursorLeftBlock( event.ShiftDown() ); else MoveCursorLeft( event.ShiftDown() ); break; case WXK_RIGHT: if ( event.ControlDown() ) MoveCursorRightBlock( event.ShiftDown() ); else MoveCursorRight( event.ShiftDown() ); break; case WXK_RETURN: case WXK_NUMPAD_ENTER: if ( event.ControlDown() ) { event.Skip(); // to let the edit control have the return } else { if ( GetGridCursorRow() < GetNumberRows()-1 ) { MoveCursorDown( event.ShiftDown() ); } else { // at the bottom of a column DisableCellEditControl(); } } break; case WXK_ESCAPE: ClearSelection(); break; case WXK_TAB: { // send an event to the grid's parents for custom handling wxGridEvent gridEvt(GetId(), wxEVT_GRID_TABBING, this, GetGridCursorRow(), GetGridCursorCol(), -1, -1, false, event); if ( ProcessWindowEvent(gridEvt) ) { // the event has been handled so no need for more processing break; } } DoGridProcessTab( event ); break; case WXK_HOME: GoToCell(event.ControlDown() ? 0 : m_currentCellCoords.GetRow(), 0); break; case WXK_END: GoToCell(event.ControlDown() ? m_numRows - 1 : m_currentCellCoords.GetRow(), m_numCols - 1); break; case WXK_PAGEUP: MovePageUp(); break; case WXK_PAGEDOWN: MovePageDown(); break; case WXK_SPACE: // Ctrl-Space selects the current column, Shift-Space -- the // current row and Ctrl-Shift-Space -- everything switch ( m_selection ? event.GetModifiers() : wxMOD_NONE ) { case wxMOD_CONTROL: m_selection->SelectCol(m_currentCellCoords.GetCol()); break; case wxMOD_SHIFT: m_selection->SelectRow(m_currentCellCoords.GetRow()); break; case wxMOD_CONTROL | wxMOD_SHIFT: m_selection->SelectBlock(0, 0, m_numRows - 1, m_numCols - 1); break; case wxMOD_NONE: if ( !IsEditable() ) { MoveCursorRight(false); break; } //else: fall through default: event.Skip(); } break; default: event.Skip(); break; } } m_inOnKeyDown = false; } void wxGrid::OnKeyUp( wxKeyEvent& event ) { // try local handlers // if ( event.GetKeyCode() == WXK_SHIFT ) { if ( m_selectedBlockTopLeft != wxGridNoCellCoords && m_selectedBlockBottomRight != wxGridNoCellCoords ) { if ( m_selection ) { m_selection->SelectBlock( m_selectedBlockTopLeft, m_selectedBlockBottomRight, event); } } m_selectedBlockTopLeft = wxGridNoCellCoords; m_selectedBlockBottomRight = wxGridNoCellCoords; m_selectedBlockCorner = wxGridNoCellCoords; } } void wxGrid::OnChar( wxKeyEvent& event ) { // is it possible to edit the current cell at all? if ( !IsCellEditControlEnabled() && CanEnableCellControl() ) { // yes, now check whether the cells editor accepts the key int row = m_currentCellCoords.GetRow(); int col = m_currentCellCoords.GetCol(); wxGridCellAttr *attr = GetCellAttr(row, col); wxGridCellEditor *editor = attr->GetEditor(this, row, col); // is special and will always start editing, for // other keys - ask the editor itself if ( (event.GetKeyCode() == WXK_F2 && !event.HasModifiers()) || editor->IsAcceptedKey(event) ) { // ensure cell is visble MakeCellVisible(row, col); EnableCellEditControl(); // a problem can arise if the cell is not completely // visible (even after calling MakeCellVisible the // control is not created and calling StartingKey will // crash the app if ( event.GetKeyCode() != WXK_F2 && editor->IsCreated() && m_cellEditCtrlEnabled ) editor->StartingKey(event); } else { event.Skip(); } editor->DecRef(); attr->DecRef(); } else { event.Skip(); } } void wxGrid::OnEraseBackground(wxEraseEvent&) { } void wxGrid::DoGridProcessTab(wxKeyboardState& kbdState) { const bool isForwardTab = !kbdState.ShiftDown(); // TAB processing only changes when we are at the borders of the grid, so // let's first handle the common behaviour when we are not at the border. if ( isForwardTab ) { if ( GetGridCursorCol() < GetNumberCols() - 1 ) { MoveCursorRight( false ); return; } } else // going back { if ( GetGridCursorCol() ) { MoveCursorLeft( false ); return; } } // We only get here if the cursor is at the border of the grid, apply the // configured behaviour. switch ( m_tabBehaviour ) { case Tab_Stop: // Nothing special to do, we remain at the current cell. break; case Tab_Wrap: // Go to the beginning of the next or the end of the previous row. if ( isForwardTab ) { if ( GetGridCursorRow() < GetNumberRows() - 1 ) { GoToCell( GetGridCursorRow() + 1, 0 ); return; } } else { if ( GetGridCursorRow() > 0 ) { GoToCell( GetGridCursorRow() - 1, GetNumberCols() - 1 ); return; } } break; case Tab_Leave: if ( Navigate( isForwardTab ? wxNavigationKeyEvent::IsForward : wxNavigationKeyEvent::IsBackward ) ) return; break; } // If we remain in this cell, stop editing it if we were doing so. DisableCellEditControl(); } bool wxGrid::SetCurrentCell( const wxGridCellCoords& coords ) { if ( SendEvent(wxEVT_GRID_SELECT_CELL, coords) == -1 ) { // the event has been vetoed - do nothing return false; } #if !defined(__WXMAC__) wxClientDC dc( m_gridWin ); PrepareDC( dc ); #endif if ( m_currentCellCoords != wxGridNoCellCoords ) { DisableCellEditControl(); if ( IsVisible( m_currentCellCoords, false ) ) { wxRect r; r = BlockToDeviceRect( m_currentCellCoords, m_currentCellCoords ); if ( !m_gridLinesEnabled ) { r.x--; r.y--; r.width++; r.height++; } wxGridCellCoordsArray cells = CalcCellsExposed( r ); // Otherwise refresh redraws the highlight! m_currentCellCoords = coords; #if defined(__WXMAC__) m_gridWin->Refresh(true /*, & r */); #else DrawGridCellArea( dc, cells ); DrawAllGridLines( dc, r ); #endif } } m_currentCellCoords = coords; wxGridCellAttr *attr = GetCellAttr( coords ); #if !defined(__WXMAC__) DrawCellHighlight( dc, attr ); #endif attr->DecRef(); return true; } void wxGrid::UpdateBlockBeingSelected(int topRow, int leftCol, int bottomRow, int rightCol) { MakeCellVisible(m_selectedBlockCorner); m_selectedBlockCorner = wxGridCellCoords(bottomRow, rightCol); if ( m_selection ) { switch ( m_selection->GetSelectionMode() ) { default: wxFAIL_MSG( "unknown selection mode" ); // fall through case wxGridSelectCells: // arbitrary blocks selection allowed so just use the cell // coordinates as is break; case wxGridSelectRows: // only full rows selection allowd, ensure that we do select // full rows leftCol = 0; rightCol = GetNumberCols() - 1; break; case wxGridSelectColumns: // same as above but for columns topRow = 0; bottomRow = GetNumberRows() - 1; break; case wxGridSelectRowsOrColumns: // in this mode we can select only full rows or full columns so // it doesn't make sense to select blocks at all (and we can't // extend the block because there is no preferred direction, we // could only extend it to cover the entire grid but this is // not useful) return; } } EnsureFirstLessThanSecond(topRow, bottomRow); EnsureFirstLessThanSecond(leftCol, rightCol); wxGridCellCoords updateTopLeft = wxGridCellCoords(topRow, leftCol), updateBottomRight = wxGridCellCoords(bottomRow, rightCol); // First the case that we selected a completely new area if ( m_selectedBlockTopLeft == wxGridNoCellCoords || m_selectedBlockBottomRight == wxGridNoCellCoords ) { wxRect rect; rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ), wxGridCellCoords ( bottomRow, rightCol ) ); m_gridWin->Refresh( false, &rect ); } // Now handle changing an existing selection area. else if ( m_selectedBlockTopLeft != updateTopLeft || m_selectedBlockBottomRight != updateBottomRight ) { // Compute two optimal update rectangles: // Either one rectangle is a real subset of the // other, or they are (almost) disjoint! wxRect rect[4]; bool need_refresh[4]; need_refresh[0] = need_refresh[1] = need_refresh[2] = need_refresh[3] = false; int i; // Store intermediate values wxCoord oldLeft = m_selectedBlockTopLeft.GetCol(); wxCoord oldTop = m_selectedBlockTopLeft.GetRow(); wxCoord oldRight = m_selectedBlockBottomRight.GetCol(); wxCoord oldBottom = m_selectedBlockBottomRight.GetRow(); // Determine the outer/inner coordinates. EnsureFirstLessThanSecond(oldLeft, leftCol); EnsureFirstLessThanSecond(oldTop, topRow); EnsureFirstLessThanSecond(rightCol, oldRight); EnsureFirstLessThanSecond(bottomRow, oldBottom); // Now, either the stuff marked old is the outer // rectangle or we don't have a situation where one // is contained in the other. if ( oldLeft < leftCol ) { // Refresh the newly selected or deselected // area to the left of the old or new selection. need_refresh[0] = true; rect[0] = BlockToDeviceRect( wxGridCellCoords( oldTop, oldLeft ), wxGridCellCoords( oldBottom, leftCol - 1 ) ); } if ( oldTop < topRow ) { // Refresh the newly selected or deselected // area above the old or new selection. need_refresh[1] = true; rect[1] = BlockToDeviceRect( wxGridCellCoords( oldTop, leftCol ), wxGridCellCoords( topRow - 1, rightCol ) ); } if ( oldRight > rightCol ) { // Refresh the newly selected or deselected // area to the right of the old or new selection. need_refresh[2] = true; rect[2] = BlockToDeviceRect( wxGridCellCoords( oldTop, rightCol + 1 ), wxGridCellCoords( oldBottom, oldRight ) ); } if ( oldBottom > bottomRow ) { // Refresh the newly selected or deselected // area below the old or new selection. need_refresh[3] = true; rect[3] = BlockToDeviceRect( wxGridCellCoords( bottomRow + 1, leftCol ), wxGridCellCoords( oldBottom, rightCol ) ); } // various Refresh() calls for (i = 0; i < 4; i++ ) if ( need_refresh[i] && rect[i] != wxGridNoCellRect ) m_gridWin->Refresh( false, &(rect[i]) ); } // change selection m_selectedBlockTopLeft = updateTopLeft; m_selectedBlockBottomRight = updateBottomRight; } // // ------ functions to get/send data (see also public functions) // bool wxGrid::GetModelValues() { // Hide the editor, so it won't hide a changed value. HideCellEditControl(); if ( m_table ) { // all we need to do is repaint the grid // m_gridWin->Refresh(); return true; } return false; } bool wxGrid::SetModelValues() { int row, col; // Disable the editor, so it won't hide a changed value. // Do we also want to save the current value of the editor first? // I think so ... DisableCellEditControl(); if ( m_table ) { for ( row = 0; row < m_numRows; row++ ) { for ( col = 0; col < m_numCols; col++ ) { m_table->SetValue( row, col, GetCellValue(row, col) ); } } return true; } return false; } // Note - this function only draws cells that are in the list of // exposed cells (usually set from the update region by // CalcExposedCells) // void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells ) { if ( !m_numRows || !m_numCols ) return; int i, numCells = cells.GetCount(); int row, col, cell_rows, cell_cols; wxGridCellCoordsArray redrawCells; for ( i = numCells - 1; i >= 0; i-- ) { row = cells[i].GetRow(); col = cells[i].GetCol(); GetCellSize( row, col, &cell_rows, &cell_cols ); // If this cell is part of a multicell block, find owner for repaint if ( cell_rows <= 0 || cell_cols <= 0 ) { wxGridCellCoords cell( row + cell_rows, col + cell_cols ); bool marked = false; for ( int j = 0; j < numCells; j++ ) { if ( cell == cells[j] ) { marked = true; break; } } if (!marked) { int count = redrawCells.GetCount(); for (int j = 0; j < count; j++) { if ( cell == redrawCells[j] ) { marked = true; break; } } if (!marked) redrawCells.Add( cell ); } // don't bother drawing this cell continue; } // If this cell is empty, find cell to left that might want to overflow if (m_table && m_table->IsEmptyCell(row, col)) { for ( int l = 0; l < cell_rows; l++ ) { // find a cell in this row to leave already marked for repaint int left = col; for (int k = 0; k < int(redrawCells.GetCount()); k++) if ((redrawCells[k].GetCol() < left) && (redrawCells[k].GetRow() == row)) { left = redrawCells[k].GetCol(); } if (left == col) left = 0; // oh well for (int j = col - 1; j >= left; j--) { if (!m_table->IsEmptyCell(row + l, j)) { if (GetCellOverflow(row + l, j)) { wxGridCellCoords cell(row + l, j); bool marked = false; for (int k = 0; k < numCells; k++) { if ( cell == cells[k] ) { marked = true; break; } } if (!marked) { int count = redrawCells.GetCount(); for (int k = 0; k < count; k++) { if ( cell == redrawCells[k] ) { marked = true; break; } } if (!marked) redrawCells.Add( cell ); } } break; } } } } DrawCell( dc, cells[i] ); } numCells = redrawCells.GetCount(); for ( i = numCells - 1; i >= 0; i-- ) { DrawCell( dc, redrawCells[i] ); } } void wxGrid::DrawGridSpace( wxDC& dc ) { int cw, ch; m_gridWin->GetClientSize( &cw, &ch ); int right, bottom; CalcUnscrolledPosition( cw, ch, &right, &bottom ); int rightCol = m_numCols > 0 ? GetColRight(GetColAt( m_numCols - 1 )) : 0; int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0; if ( right > rightCol || bottom > bottomRow ) { int left, top; CalcUnscrolledPosition( 0, 0, &left, &top ); dc.SetBrush(GetDefaultCellBackgroundColour()); dc.SetPen( *wxTRANSPARENT_PEN ); if ( right > rightCol ) { dc.DrawRectangle( rightCol, top, right - rightCol, ch ); } if ( bottom > bottomRow ) { dc.DrawRectangle( left, bottomRow, cw, bottom - bottomRow ); } } } void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords ) { int row = coords.GetRow(); int col = coords.GetCol(); if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 ) return; // we draw the cell border ourselves wxGridCellAttr* attr = GetCellAttr(row, col); bool isCurrent = coords == m_currentCellCoords; wxRect rect = CellToRect( row, col ); // if the editor is shown, we should use it and not the renderer // Note: However, only if it is really _shown_, i.e. not hidden! if ( isCurrent && IsCellEditControlShown() ) { // NB: this "#if..." is temporary and fixes a problem where the // edit control is erased by this code after being rendered. // On wxMac (QD build only), the cell editor is a wxTextCntl and is rendered // implicitly, causing this out-of order render. #if !defined(__WXMAC__) wxGridCellEditor *editor = attr->GetEditor(this, row, col); editor->PaintBackground(dc, rect, *attr); editor->DecRef(); #endif } else { // but all the rest is drawn by the cell renderer and hence may be customized wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col); renderer->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords)); renderer->DecRef(); } attr->DecRef(); } void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr ) { // don't show highlight when the grid doesn't have focus if ( !HasFocus() ) return; int row = m_currentCellCoords.GetRow(); int col = m_currentCellCoords.GetCol(); if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 ) return; wxRect rect = CellToRect(row, col); // hmmm... what could we do here to show that the cell is disabled? // for now, I just draw a thinner border than for the other ones, but // it doesn't look really good int penWidth = attr->IsReadOnly() ? m_cellHighlightROPenWidth : m_cellHighlightPenWidth; if (penWidth > 0) { // The center of the drawn line is where the position/width/height of // the rectangle is actually at (on wxMSW at least), so the // size of the rectangle is reduced to compensate for the thickness of // the line. If this is too strange on non-wxMSW platforms then // please #ifdef this appropriately. rect.x += penWidth / 2; rect.y += penWidth / 2; rect.width -= penWidth - 1; rect.height -= penWidth - 1; // Now draw the rectangle // use the cellHighlightColour if the cell is inside a selection, this // will ensure the cell is always visible. dc.SetPen(wxPen(IsInSelection(row,col) ? m_selectionForeground : m_cellHighlightColour, penWidth)); dc.SetBrush(*wxTRANSPARENT_BRUSH); dc.DrawRectangle(rect); } } wxPen wxGrid::GetDefaultGridLinePen() { return wxPen(GetGridLineColour()); } wxPen wxGrid::GetRowGridLinePen(int WXUNUSED(row)) { return GetDefaultGridLinePen(); } wxPen wxGrid::GetColGridLinePen(int WXUNUSED(col)) { return GetDefaultGridLinePen(); } void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords ) { int row = coords.GetRow(); int col = coords.GetCol(); if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 ) return; wxRect rect = CellToRect( row, col ); // right hand border dc.SetPen( GetColGridLinePen(col) ); dc.DrawLine( rect.x + rect.width, rect.y, rect.x + rect.width, rect.y + rect.height + 1 ); // bottom border dc.SetPen( GetRowGridLinePen(row) ); dc.DrawLine( rect.x, rect.y + rect.height, rect.x + rect.width, rect.y + rect.height); } void wxGrid::DrawHighlight(wxDC& dc, const wxGridCellCoordsArray& cells) { // This if block was previously in wxGrid::OnPaint but that doesn't // seem to get called under wxGTK - MB // if ( m_currentCellCoords == wxGridNoCellCoords && m_numRows && m_numCols ) { m_currentCellCoords.Set(0, 0); } if ( IsCellEditControlShown() ) { // don't show highlight when the edit control is shown return; } // if the active cell was repainted, repaint its highlight too because it // might have been damaged by the grid lines size_t count = cells.GetCount(); for ( size_t n = 0; n < count; n++ ) { wxGridCellCoords cell = cells[n]; // If we are using attributes, then we may have just exposed another // cell in a partially-visible merged cluster of cells. If the "anchor" // (upper left) cell of this merged cluster is the cell indicated by // m_currentCellCoords, then we need to refresh the cell highlight even // though the "anchor" itself is not part of our update segment. if ( CanHaveAttributes() ) { int rows = 0, cols = 0; GetCellSize(cell.GetRow(), cell.GetCol(), &rows, &cols); if ( rows < 0 ) cell.SetRow(cell.GetRow() + rows); if ( cols < 0 ) cell.SetCol(cell.GetCol() + cols); } if ( cell == m_currentCellCoords ) { wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords); DrawCellHighlight(dc, attr); attr->DecRef(); break; } } } // Used by wxGrid::Render() to draw the grid lines only for the cells in the // specified range. void wxGrid::DrawRangeGridLines(wxDC& dc, const wxRegion& reg, const wxGridCellCoords& topLeft, const wxGridCellCoords& bottomRight) { if ( !m_gridLinesEnabled ) return; int top, left, width, height; reg.GetBox( left, top, width, height ); // create a clipping region wxRegion clippedcells( dc.LogicalToDeviceX( left ), dc.LogicalToDeviceY( top ), dc.LogicalToDeviceXRel( width ), dc.LogicalToDeviceYRel( height ) ); // subtract multi cell span area from clipping region for lines wxRect rect; for ( int row = topLeft.GetRow(); row <= bottomRight.GetRow(); row++ ) { for ( int col = topLeft.GetCol(); col <= bottomRight.GetCol(); col++ ) { int cell_rows, cell_cols; GetCellSize( row, col, &cell_rows, &cell_cols ); if ( cell_rows > 1 || cell_cols > 1 ) // multi cell { rect = CellToRect( row, col ); // cater for scaling // device origin already set in ::Render() for x, y rect.x = dc.LogicalToDeviceX( rect.x ); rect.y = dc.LogicalToDeviceY( rect.y ); rect.width = dc.LogicalToDeviceXRel( rect.width ); rect.height = dc.LogicalToDeviceYRel( rect.height ) - 1; clippedcells.Subtract( rect ); } else if ( cell_rows < 0 || cell_cols < 0 ) // part of multicell { rect = CellToRect( row + cell_rows, col + cell_cols ); rect.x = dc.LogicalToDeviceX( rect.x ); rect.y = dc.LogicalToDeviceY( rect.y ); rect.width = dc.LogicalToDeviceXRel( rect.width ); rect.height = dc.LogicalToDeviceYRel( rect.height ) - 1; clippedcells.Subtract( rect ); } } } dc.SetDeviceClippingRegion( clippedcells ); DoDrawGridLines(dc, top, left, top + height, left + width, topLeft.GetRow(), topLeft.GetCol(), bottomRight.GetRow(), bottomRight.GetCol()); dc.DestroyClippingRegion(); } // This is used to redraw all grid lines e.g. when the grid line colour // has been changed // void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) ) { if ( !m_gridLinesEnabled ) return; int top, bottom, left, right; int cw, ch; m_gridWin->GetClientSize(&cw, &ch); CalcUnscrolledPosition( 0, 0, &left, &top ); CalcUnscrolledPosition( cw, ch, &right, &bottom ); // avoid drawing grid lines past the last row and col if ( m_gridLinesClipHorz ) { if ( !m_numCols ) return; const int lastColRight = GetColRight(GetColAt(m_numCols - 1)); if ( right > lastColRight ) right = lastColRight; } if ( m_gridLinesClipVert ) { if ( !m_numRows ) return; const int lastRowBottom = GetRowBottom(m_numRows - 1); if ( bottom > lastRowBottom ) bottom = lastRowBottom; } // no gridlines inside multicells, clip them out int leftCol = GetColPos( internalXToCol(left) ); int topRow = internalYToRow(top); int rightCol = GetColPos( internalXToCol(right) ); int bottomRow = internalYToRow(bottom); wxRegion clippedcells(0, 0, cw, ch); int cell_rows, cell_cols; wxRect rect; for ( int j = topRow; j <= bottomRow; j++ ) { for ( int colPos = leftCol; colPos <= rightCol; colPos++ ) { int i = GetColAt( colPos ); GetCellSize( j, i, &cell_rows, &cell_cols ); if ((cell_rows > 1) || (cell_cols > 1)) { rect = CellToRect(j,i); CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y ); clippedcells.Subtract(rect); } else if ((cell_rows < 0) || (cell_cols < 0)) { rect = CellToRect(j + cell_rows, i + cell_cols); CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y ); clippedcells.Subtract(rect); } } } dc.SetDeviceClippingRegion( clippedcells ); DoDrawGridLines(dc, top, left, bottom, right, topRow, leftCol, m_numRows, m_numCols); dc.DestroyClippingRegion(); } void wxGrid::DoDrawGridLines(wxDC& dc, int top, int left, int bottom, int right, int topRow, int leftCol, int bottomRow, int rightCol) { // horizontal grid lines for ( int i = topRow; i < bottomRow; i++ ) { int bot = GetRowBottom(i) - 1; if ( bot > bottom ) break; if ( bot >= top ) { dc.SetPen( GetRowGridLinePen(i) ); dc.DrawLine( left, bot, right, bot ); } } // vertical grid lines for ( int colPos = leftCol; colPos < rightCol; colPos++ ) { int i = GetColAt( colPos ); int colRight = GetColRight(i); #ifdef __WXGTK__ if (GetLayoutDirection() != wxLayout_RightToLeft) #endif colRight--; if ( colRight > right ) break; if ( colRight >= left ) { dc.SetPen( GetColGridLinePen(i) ); dc.DrawLine( colRight, top, colRight, bottom ); } } } void wxGrid::DrawRowLabels( wxDC& dc, const wxArrayInt& rows) { if ( !m_numRows ) return; const size_t numLabels = rows.GetCount(); for ( size_t i = 0; i < numLabels; i++ ) { DrawRowLabel( dc, rows[i] ); } } void wxGrid::DrawRowLabel( wxDC& dc, int row ) { if ( GetRowHeight(row) <= 0 || m_rowLabelWidth <= 0 ) return; wxGridCellAttrProvider * const attrProvider = m_table ? m_table->GetAttrProvider() : NULL; // notice that an explicit static_cast is needed to avoid a compilation // error with VC7.1 which, for some reason, tries to instantiate (abstract) // wxGridRowHeaderRenderer class without it const wxGridRowHeaderRenderer& rend = attrProvider ? attrProvider->GetRowHeaderRenderer(row) : static_cast (gs_defaultHeaderRenderers.rowRenderer); wxRect rect(0, GetRowTop(row), m_rowLabelWidth, GetRowHeight(row)); rend.DrawBorder(*this, dc, rect); int hAlign, vAlign; GetRowLabelAlignment(&hAlign, &vAlign); rend.DrawLabel(*this, dc, GetRowLabelValue(row), rect, hAlign, vAlign, wxHORIZONTAL); } void wxGrid::UseNativeColHeader(bool native) { if ( native == m_useNativeHeader ) return; delete m_colWindow; m_useNativeHeader = native; CreateColumnWindow(); if ( m_useNativeHeader ) GetGridColHeader()->SetColumnCount(m_numCols); CalcWindowSizes(); } void wxGrid::SetUseNativeColLabels( bool native ) { wxASSERT_MSG( !m_useNativeHeader, "doesn't make sense when using native header" ); m_nativeColumnLabels = native; if (native) { int height = wxRendererNative::Get().GetHeaderButtonHeight( this ); SetColLabelSize( height ); } GetColLabelWindow()->Refresh(); m_cornerLabelWin->Refresh(); } void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols ) { if ( !m_numCols ) return; const size_t numLabels = cols.GetCount(); for ( size_t i = 0; i < numLabels; i++ ) { DrawColLabel( dc, cols[i] ); } } void wxGrid::DrawCornerLabel(wxDC& dc) { wxRect rect(wxSize(m_rowLabelWidth, m_colLabelHeight)); if ( m_nativeColumnLabels ) { rect.Deflate(1); wxRendererNative::Get().DrawHeaderButton(m_cornerLabelWin, dc, rect, 0); } else { rect.width++; rect.height++; wxGridCellAttrProvider * const attrProvider = m_table ? m_table->GetAttrProvider() : NULL; const wxGridCornerHeaderRenderer& rend = attrProvider ? attrProvider->GetCornerRenderer() : static_cast (gs_defaultHeaderRenderers.cornerRenderer); rend.DrawBorder(*this, dc, rect); } } void wxGrid::DrawColLabel(wxDC& dc, int col) { if ( GetColWidth(col) <= 0 || m_colLabelHeight <= 0 ) return; int colLeft = GetColLeft(col); wxRect rect(colLeft, 0, GetColWidth(col), m_colLabelHeight); wxGridCellAttrProvider * const attrProvider = m_table ? m_table->GetAttrProvider() : NULL; const wxGridColumnHeaderRenderer& rend = attrProvider ? attrProvider->GetColumnHeaderRenderer(col) : static_cast (gs_defaultHeaderRenderers.colRenderer); if ( m_nativeColumnLabels ) { wxRendererNative::Get().DrawHeaderButton ( GetColLabelWindow(), dc, rect, 0, IsSortingBy(col) ? IsSortOrderAscending() ? wxHDR_SORT_ICON_UP : wxHDR_SORT_ICON_DOWN : wxHDR_SORT_ICON_NONE ); rect.Deflate(2); } else { // It is reported that we need to erase the background to avoid display // artefacts, see #12055. wxDCBrushChanger setBrush(dc, m_colWindow->GetBackgroundColour()); dc.DrawRectangle(rect); rend.DrawBorder(*this, dc, rect); } int hAlign, vAlign; GetColLabelAlignment(&hAlign, &vAlign); const int orient = GetColLabelTextOrientation(); rend.DrawLabel(*this, dc, GetColLabelValue(col), rect, hAlign, vAlign, orient); } // TODO: these 2 functions should be replaced with wxDC::DrawLabel() to which // we just have to add textOrientation support void wxGrid::DrawTextRectangle( wxDC& dc, const wxString& value, const wxRect& rect, int horizAlign, int vertAlign, int textOrientation ) const { wxArrayString lines; StringToLines( value, lines ); DrawTextRectangle(dc, lines, rect, horizAlign, vertAlign, textOrientation); } void wxGrid::DrawTextRectangle(wxDC& dc, const wxArrayString& lines, const wxRect& rect, int horizAlign, int vertAlign, int textOrientation) const { if ( lines.empty() ) return; wxDCClipper clip(dc, rect); long textWidth, textHeight; if ( textOrientation == wxHORIZONTAL ) GetTextBoxSize( dc, lines, &textWidth, &textHeight ); else GetTextBoxSize( dc, lines, &textHeight, &textWidth ); int x = 0, y = 0; switch ( vertAlign ) { case wxALIGN_BOTTOM: if ( textOrientation == wxHORIZONTAL ) y = rect.y + (rect.height - textHeight - 1); else x = rect.x + rect.width - textWidth; break; case wxALIGN_CENTRE: if ( textOrientation == wxHORIZONTAL ) y = rect.y + ((rect.height - textHeight) / 2); else x = rect.x + ((rect.width - textWidth) / 2); break; case wxALIGN_TOP: default: if ( textOrientation == wxHORIZONTAL ) y = rect.y + 1; else x = rect.x + 1; break; } // Align each line of a multi-line label size_t nLines = lines.GetCount(); for ( size_t l = 0; l < nLines; l++ ) { const wxString& line = lines[l]; if ( line.empty() ) { *(textOrientation == wxHORIZONTAL ? &y : &x) += dc.GetCharHeight(); continue; } wxCoord lineWidth = 0, lineHeight = 0; dc.GetTextExtent(line, &lineWidth, &lineHeight); switch ( horizAlign ) { case wxALIGN_RIGHT: if ( textOrientation == wxHORIZONTAL ) x = rect.x + (rect.width - lineWidth - 1); else y = rect.y + lineWidth + 1; break; case wxALIGN_CENTRE: if ( textOrientation == wxHORIZONTAL ) x = rect.x + ((rect.width - lineWidth) / 2); else y = rect.y + rect.height - ((rect.height - lineWidth) / 2); break; case wxALIGN_LEFT: default: if ( textOrientation == wxHORIZONTAL ) x = rect.x + 1; else y = rect.y + rect.height - 1; break; } if ( textOrientation == wxHORIZONTAL ) { dc.DrawText( line, x, y ); y += lineHeight; } else { dc.DrawRotatedText( line, x, y, 90.0 ); x += lineHeight; } } } // Split multi-line text up into an array of strings. // Any existing contents of the string array are preserved. // // TODO: refactor wxTextFile::Read() and reuse the same code from here void wxGrid::StringToLines( const wxString& value, wxArrayString& lines ) const { int startPos = 0; int pos; wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix ); wxString tVal = wxTextFile::Translate( value, wxTextFileType_Unix ); while ( startPos < (int)tVal.length() ) { pos = tVal.Mid(startPos).Find( eol ); if ( pos < 0 ) { break; } else if ( pos == 0 ) { lines.Add( wxEmptyString ); } else { lines.Add( tVal.Mid(startPos, pos) ); } startPos += pos + 1; } if ( startPos < (int)tVal.length() ) { lines.Add( tVal.Mid( startPos ) ); } } void wxGrid::GetTextBoxSize( const wxDC& dc, const wxArrayString& lines, long *width, long *height ) const { wxCoord w = 0; wxCoord h = 0; wxCoord lineW = 0, lineH = 0; size_t i; for ( i = 0; i < lines.GetCount(); i++ ) { dc.GetTextExtent( lines[i], &lineW, &lineH ); w = wxMax( w, lineW ); h += lineH; } *width = w; *height = h; } // // ------ Batch processing. // void wxGrid::EndBatch() { if ( m_batchCount > 0 ) { m_batchCount--; if ( !m_batchCount ) { CalcDimensions(); m_rowLabelWin->Refresh(); m_colWindow->Refresh(); m_cornerLabelWin->Refresh(); m_gridWin->Refresh(); } } } // Use this, rather than wxWindow::Refresh(), to force an immediate // repainting of the grid. Has no effect if you are already inside a // BeginBatch / EndBatch block. // void wxGrid::ForceRefresh() { BeginBatch(); EndBatch(); } bool wxGrid::Enable(bool enable) { if ( !wxScrolledWindow::Enable(enable) ) return false; // redraw in the new state m_gridWin->Refresh(); return true; } // // ------ Edit control functions // void wxGrid::EnableEditing( bool edit ) { if ( edit != m_editable ) { if (!edit) EnableCellEditControl(edit); m_editable = edit; } } void wxGrid::EnableCellEditControl( bool enable ) { if (! m_editable) return; if ( enable != m_cellEditCtrlEnabled ) { if ( enable ) { if ( SendEvent(wxEVT_GRID_EDITOR_SHOWN) == -1 ) return; // this should be checked by the caller! wxASSERT_MSG( CanEnableCellControl(), wxT("can't enable editing for this cell!") ); // do it before ShowCellEditControl() m_cellEditCtrlEnabled = enable; ShowCellEditControl(); } else { SendEvent(wxEVT_GRID_EDITOR_HIDDEN); HideCellEditControl(); SaveEditControlValue(); // do it after HideCellEditControl() m_cellEditCtrlEnabled = enable; } } } bool wxGrid::IsCurrentCellReadOnly() const { wxGridCellAttr* attr = const_cast(this)->GetCellAttr(m_currentCellCoords); bool readonly = attr->IsReadOnly(); attr->DecRef(); return readonly; } bool wxGrid::CanEnableCellControl() const { return m_editable && (m_currentCellCoords != wxGridNoCellCoords) && !IsCurrentCellReadOnly(); } bool wxGrid::IsCellEditControlEnabled() const { // the cell edit control might be disable for all cells or just for the // current one if it's read only return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : false; } bool wxGrid::IsCellEditControlShown() const { bool isShown = false; if ( m_cellEditCtrlEnabled ) { int row = m_currentCellCoords.GetRow(); int col = m_currentCellCoords.GetCol(); wxGridCellAttr* attr = GetCellAttr(row, col); wxGridCellEditor* editor = attr->GetEditor((wxGrid*) this, row, col); attr->DecRef(); if ( editor ) { if ( editor->IsCreated() ) { isShown = editor->GetControl()->IsShown(); } editor->DecRef(); } } return isShown; } void wxGrid::ShowCellEditControl() { if ( IsCellEditControlEnabled() ) { if ( !IsVisible( m_currentCellCoords, false ) ) { m_cellEditCtrlEnabled = false; return; } else { wxRect rect = CellToRect( m_currentCellCoords ); int row = m_currentCellCoords.GetRow(); int col = m_currentCellCoords.GetCol(); // if this is part of a multicell, find owner (topleft) int cell_rows, cell_cols; GetCellSize( row, col, &cell_rows, &cell_cols ); if ( cell_rows <= 0 || cell_cols <= 0 ) { row += cell_rows; col += cell_cols; m_currentCellCoords.SetRow( row ); m_currentCellCoords.SetCol( col ); } // erase the highlight and the cell contents because the editor // might not cover the entire cell wxClientDC dc( m_gridWin ); PrepareDC( dc ); wxGridCellAttr* attr = GetCellAttr(row, col); dc.SetBrush(wxBrush(attr->GetBackgroundColour())); dc.SetPen(*wxTRANSPARENT_PEN); dc.DrawRectangle(rect); // convert to scrolled coords CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y ); int nXMove = 0; if (rect.x < 0) nXMove = rect.x; // cell is shifted by one pixel // However, don't allow x or y to become negative // since the SetSize() method interprets that as // "don't change." if (rect.x > 0) rect.x--; if (rect.y > 0) rect.y--; wxGridCellEditor* editor = attr->GetEditor(this, row, col); if ( !editor->IsCreated() ) { editor->Create(m_gridWin, wxID_ANY, new wxGridCellEditorEvtHandler(this, editor)); wxGridEditorCreatedEvent evt(GetId(), wxEVT_GRID_EDITOR_CREATED, this, row, col, editor->GetControl()); GetEventHandler()->ProcessEvent(evt); } // resize editor to overflow into righthand cells if allowed int maxWidth = rect.width; wxString value = GetCellValue(row, col); if ( (value != wxEmptyString) && (attr->GetOverflow()) ) { int y; GetTextExtent(value, &maxWidth, &y, NULL, NULL, &attr->GetFont()); if (maxWidth < rect.width) maxWidth = rect.width; } int client_right = m_gridWin->GetClientSize().GetWidth(); if (rect.x + maxWidth > client_right) maxWidth = client_right - rect.x; if ((maxWidth > rect.width) && (col < m_numCols) && m_table) { GetCellSize( row, col, &cell_rows, &cell_cols ); // may have changed earlier for (int i = col + cell_cols; i < m_numCols; i++) { int c_rows, c_cols; GetCellSize( row, i, &c_rows, &c_cols ); // looks weird going over a multicell if (m_table->IsEmptyCell( row, i ) && (rect.width < maxWidth) && (c_rows == 1)) { rect.width += GetColWidth( i ); } else break; } if (rect.GetRight() > client_right) rect.SetRight( client_right - 1 ); } editor->SetCellAttr( attr ); editor->SetSize( rect ); if (nXMove != 0) editor->GetControl()->Move( editor->GetControl()->GetPosition().x + nXMove, editor->GetControl()->GetPosition().y ); editor->Show( true, attr ); // recalc dimensions in case we need to // expand the scrolled window to account for editor CalcDimensions(); editor->BeginEdit(row, col, this); editor->SetCellAttr(NULL); editor->DecRef(); attr->DecRef(); } } } void wxGrid::HideCellEditControl() { if ( IsCellEditControlEnabled() ) { int row = m_currentCellCoords.GetRow(); int col = m_currentCellCoords.GetCol(); wxGridCellAttr *attr = GetCellAttr(row, col); wxGridCellEditor *editor = attr->GetEditor(this, row, col); const bool editorHadFocus = editor->GetControl()->HasFocus(); editor->Show( false ); editor->DecRef(); attr->DecRef(); // return the focus to the grid itself if the editor had it // // note that we must not do this unconditionally to avoid stealing // focus from the window which just received it if we are hiding the // editor precisely because we lost focus if ( editorHadFocus ) m_gridWin->SetFocus(); // refresh whole row to the right wxRect rect( CellToRect(row, col) ); CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y ); rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x; #ifdef __WXMAC__ // ensure that the pixels under the focus ring get refreshed as well rect.Inflate(10, 10); #endif m_gridWin->Refresh( false, &rect ); } } void wxGrid::SaveEditControlValue() { if ( IsCellEditControlEnabled() ) { int row = m_currentCellCoords.GetRow(); int col = m_currentCellCoords.GetCol(); wxString oldval = GetCellValue(row, col); wxGridCellAttr* attr = GetCellAttr(row, col); wxGridCellEditor* editor = attr->GetEditor(this, row, col); wxString newval; bool changed = editor->EndEdit(row, col, this, oldval, &newval); if ( changed && SendEvent(wxEVT_GRID_CELL_CHANGING, newval) != -1 ) { editor->ApplyEdit(row, col, this); // for compatibility reasons dating back to wx 2.8 when this event // was called wxEVT_GRID_CELL_CHANGE and wxEVT_GRID_CELL_CHANGING // didn't exist we allow vetoing this one too if ( SendEvent(wxEVT_GRID_CELL_CHANGED, oldval) == -1 ) { // Event has been vetoed, set the data back. SetCellValue(row, col, oldval); } } editor->DecRef(); attr->DecRef(); } } void wxGrid::OnHideEditor(wxCommandEvent& WXUNUSED(event)) { DisableCellEditControl(); } // // ------ Grid location functions // Note that all of these functions work with the logical coordinates of // grid cells and labels so you will need to convert from device // coordinates for mouse events etc. // wxGridCellCoords wxGrid::XYToCell(int x, int y) const { int row = YToRow(y); int col = XToCol(x); return row == -1 || col == -1 ? wxGridNoCellCoords : wxGridCellCoords(row, col); } // compute row or column from some (unscrolled) coordinate value, using either // m_defaultRowHeight/m_defaultColWidth or binary search on array of // m_rowBottoms/m_colRights to do it quickly in O(log n) time. // NOTE: This may not work correctly for reordered columns. int wxGrid::PosToLinePos(int coord, bool clipToMinMax, const wxGridOperations& oper) const { const int numLines = oper.GetNumberOfLines(this); if ( coord < 0 ) return clipToMinMax && numLines > 0 ? 0 : wxNOT_FOUND; const int defaultLineSize = oper.GetDefaultLineSize(this); wxCHECK_MSG( defaultLineSize, -1, "can't have 0 default line size" ); int maxPos = coord / defaultLineSize, minPos = 0; // check for the simplest case: if we have no explicit line sizes // configured, then we already know the line this position falls in const wxArrayInt& lineEnds = oper.GetLineEnds(this); if ( lineEnds.empty() ) { if ( maxPos < numLines ) return maxPos; return clipToMinMax ? numLines - 1 : -1; } // binary search is quite efficient and we can't really make any assumptions // on where to start here since row and columns could be of size 0 if they are // hidden. While this could be made more efficient, some profiling will be // necessary to determine if it really is a performance bottleneck maxPos = numLines - 1; // check if the position is beyond the last column const int lineAtMaxPos = oper.GetLineAt(this, maxPos); if ( coord >= lineEnds[lineAtMaxPos] ) return clipToMinMax ? maxPos : -1; // or before the first one const int lineAt0 = oper.GetLineAt(this, 0); if ( coord < lineEnds[lineAt0] ) return 0; // finally do perform the binary search while ( minPos < maxPos ) { wxCHECK_MSG( lineEnds[oper.GetLineAt(this, minPos)] <= coord && coord < lineEnds[oper.GetLineAt(this, maxPos)], -1, "wxGrid: internal error in PosToLinePos()" ); if ( coord >= lineEnds[oper.GetLineAt(this, maxPos - 1)] ) return maxPos; else maxPos--; const int median = minPos + (maxPos - minPos + 1) / 2; if ( coord < lineEnds[oper.GetLineAt(this, median)] ) maxPos = median; else minPos = median; } return maxPos; } int wxGrid::PosToLine(int coord, bool clipToMinMax, const wxGridOperations& oper) const { int pos = PosToLinePos(coord, clipToMinMax, oper); return pos == wxNOT_FOUND ? wxNOT_FOUND : oper.GetLineAt(this, pos); } int wxGrid::YToRow(int y, bool clipToMinMax) const { return PosToLine(y, clipToMinMax, wxGridRowOperations()); } int wxGrid::XToCol(int x, bool clipToMinMax) const { return PosToLine(x, clipToMinMax, wxGridColumnOperations()); } int wxGrid::XToPos(int x) const { return PosToLinePos(x, true /* clip */, wxGridColumnOperations()); } // return the row/col number such that the pos is near the edge of, or -1 if // not near an edge. // // notice that position can only possibly be near an edge if the row/column is // large enough to still allow for an "inner" area that is _not_ near the edge // (i.e., if the height/width is smaller than WXGRID_LABEL_EDGE_ZONE, pos will // _never_ be considered to be near the edge). int wxGrid::PosToEdgeOfLine(int pos, const wxGridOperations& oper) const { // Get the bottom or rightmost line that could match. int line = oper.PosToLine(this, pos, true); if ( oper.GetLineSize(this, line) > WXGRID_LABEL_EDGE_ZONE ) { // We know that we are in this line, test whether we are close enough // to start or end border, respectively. if ( abs(oper.GetLineEndPos(this, line) - pos) < WXGRID_LABEL_EDGE_ZONE ) return line; else if ( line > 0 && pos - oper.GetLineStartPos(this, line) < WXGRID_LABEL_EDGE_ZONE ) { // We need to find the previous visible line, so skip all the // hidden (of size 0) ones. do { line = oper.GetLineBefore(this, line); } while ( line >= 0 && oper.GetLineSize(this, line) == 0 ); // It can possibly be -1 here. return line; } } return -1; } int wxGrid::YToEdgeOfRow(int y) const { return PosToEdgeOfLine(y, wxGridRowOperations()); } int wxGrid::XToEdgeOfCol(int x) const { return PosToEdgeOfLine(x, wxGridColumnOperations()); } wxRect wxGrid::CellToRect( int row, int col ) const { wxRect rect( -1, -1, -1, -1 ); if ( row >= 0 && row < m_numRows && col >= 0 && col < m_numCols ) { int i, cell_rows, cell_cols; rect.width = rect.height = 0; GetCellSize( row, col, &cell_rows, &cell_cols ); // if negative then find multicell owner if (cell_rows < 0) row += cell_rows; if (cell_cols < 0) col += cell_cols; GetCellSize( row, col, &cell_rows, &cell_cols ); rect.x = GetColLeft(col); rect.y = GetRowTop(row); for (i=col; i < col + cell_cols; i++) rect.width += GetColWidth(i); for (i=row; i < row + cell_rows; i++) rect.height += GetRowHeight(i); // if grid lines are enabled, then the area of the cell is a bit smaller if (m_gridLinesEnabled) { rect.width -= 1; rect.height -= 1; } } return rect; } bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible ) const { // get the cell rectangle in logical coords // wxRect r( CellToRect( row, col ) ); // convert to device coords // int left, top, right, bottom; CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top ); CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom ); // check against the client area of the grid window int cw, ch; m_gridWin->GetClientSize( &cw, &ch ); if ( wholeCellVisible ) { // is the cell wholly visible ? return ( left >= 0 && right <= cw && top >= 0 && bottom <= ch ); } else { // is the cell partly visible ? // return ( ((left >= 0 && left < cw) || (right > 0 && right <= cw)) && ((top >= 0 && top < ch) || (bottom > 0 && bottom <= ch)) ); } } // make the specified cell location visible by doing a minimal amount // of scrolling // void wxGrid::MakeCellVisible( int row, int col ) { int i; int xpos = -1, ypos = -1; if ( row >= 0 && row < m_numRows && col >= 0 && col < m_numCols ) { // get the cell rectangle in logical coords wxRect r( CellToRect( row, col ) ); // convert to device coords int left, top, right, bottom; CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top ); CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom ); int cw, ch; m_gridWin->GetClientSize( &cw, &ch ); if ( top < 0 ) { ypos = r.GetTop(); } else if ( bottom > ch ) { int h = r.GetHeight(); ypos = r.GetTop(); for ( i = row - 1; i >= 0; i-- ) { int rowHeight = GetRowHeight(i); if ( h + rowHeight > ch ) break; h += rowHeight; ypos -= rowHeight; } // we divide it later by GRID_SCROLL_LINE, make sure that we don't // have rounding errors (this is important, because if we do, // we might not scroll at all and some cells won't be redrawn) // // Sometimes GRID_SCROLL_LINE / 2 is not enough, // so just add a full scroll unit... ypos += m_yScrollPixelsPerLine; } // special handling for wide cells - show always left part of the cell! // Otherwise, e.g. when stepping from row to row, it would jump between // left and right part of the cell on every step! // if ( left < 0 ) if ( left < 0 || (right - left) >= cw ) { xpos = r.GetLeft(); } else if ( right > cw ) { // position the view so that the cell is on the right int x0, y0; CalcUnscrolledPosition(0, 0, &x0, &y0); xpos = x0 + (right - cw); // see comment for ypos above xpos += m_xScrollPixelsPerLine; } if ( xpos != -1 || ypos != -1 ) { if ( xpos != -1 ) xpos /= m_xScrollPixelsPerLine; if ( ypos != -1 ) ypos /= m_yScrollPixelsPerLine; Scroll( xpos, ypos ); AdjustScrollbars(); } } } // // ------ Grid cursor movement functions // bool wxGrid::DoMoveCursor(bool expandSelection, const wxGridDirectionOperations& diroper) { if ( m_currentCellCoords == wxGridNoCellCoords ) return false; if ( expandSelection ) { wxGridCellCoords coords = m_selectedBlockCorner; if ( coords == wxGridNoCellCoords ) coords = m_currentCellCoords; if ( diroper.IsAtBoundary(coords) ) return false; diroper.Advance(coords); UpdateBlockBeingSelected(m_currentCellCoords, coords); } else // don't expand selection { ClearSelection(); if ( diroper.IsAtBoundary(m_currentCellCoords) ) return false; wxGridCellCoords coords = m_currentCellCoords; diroper.Advance(coords); GoToCell(coords); } return true; } bool wxGrid::MoveCursorUp(bool expandSelection) { return DoMoveCursor(expandSelection, wxGridBackwardOperations(this, wxGridRowOperations())); } bool wxGrid::MoveCursorDown(bool expandSelection) { return DoMoveCursor(expandSelection, wxGridForwardOperations(this, wxGridRowOperations())); } bool wxGrid::MoveCursorLeft(bool expandSelection) { return DoMoveCursor(expandSelection, wxGridBackwardOperations(this, wxGridColumnOperations())); } bool wxGrid::MoveCursorRight(bool expandSelection) { return DoMoveCursor(expandSelection, wxGridForwardOperations(this, wxGridColumnOperations())); } bool wxGrid::DoMoveCursorByPage(const wxGridDirectionOperations& diroper) { if ( m_currentCellCoords == wxGridNoCellCoords ) return false; if ( diroper.IsAtBoundary(m_currentCellCoords) ) return false; const int oldRow = m_currentCellCoords.GetRow(); int newRow = diroper.MoveByPixelDistance(oldRow, m_gridWin->GetClientSize().y); if ( newRow == oldRow ) { wxGridCellCoords coords(m_currentCellCoords); diroper.Advance(coords); newRow = coords.GetRow(); } GoToCell(newRow, m_currentCellCoords.GetCol()); return true; } bool wxGrid::MovePageUp() { return DoMoveCursorByPage( wxGridBackwardOperations(this, wxGridRowOperations())); } bool wxGrid::MovePageDown() { return DoMoveCursorByPage( wxGridForwardOperations(this, wxGridRowOperations())); } // helper of DoMoveCursorByBlock(): advance the cell coordinates using diroper // until we find a non-empty cell or reach the grid end void wxGrid::AdvanceToNextNonEmpty(wxGridCellCoords& coords, const wxGridDirectionOperations& diroper) { while ( !diroper.IsAtBoundary(coords) ) { diroper.Advance(coords); if ( !m_table->IsEmpty(coords) ) break; } } bool wxGrid::DoMoveCursorByBlock(bool expandSelection, const wxGridDirectionOperations& diroper) { if ( !m_table || m_currentCellCoords == wxGridNoCellCoords ) return false; if ( diroper.IsAtBoundary(m_currentCellCoords) ) return false; wxGridCellCoords coords(m_currentCellCoords); if ( m_table->IsEmpty(coords) ) { // we are in an empty cell: find the next block of non-empty cells AdvanceToNextNonEmpty(coords, diroper); } else // current cell is not empty { diroper.Advance(coords); if ( m_table->IsEmpty(coords) ) { // we started at the end of a block, find the next one AdvanceToNextNonEmpty(coords, diroper); } else // we're in a middle of a block { // go to the end of it, i.e. find the last cell before the next // empty one while ( !diroper.IsAtBoundary(coords) ) { wxGridCellCoords coordsNext(coords); diroper.Advance(coordsNext); if ( m_table->IsEmpty(coordsNext) ) break; coords = coordsNext; } } } if ( expandSelection ) { UpdateBlockBeingSelected(m_currentCellCoords, coords); } else { ClearSelection(); GoToCell(coords); } return true; } bool wxGrid::MoveCursorUpBlock(bool expandSelection) { return DoMoveCursorByBlock( expandSelection, wxGridBackwardOperations(this, wxGridRowOperations()) ); } bool wxGrid::MoveCursorDownBlock( bool expandSelection ) { return DoMoveCursorByBlock( expandSelection, wxGridForwardOperations(this, wxGridRowOperations()) ); } bool wxGrid::MoveCursorLeftBlock( bool expandSelection ) { return DoMoveCursorByBlock( expandSelection, wxGridBackwardOperations(this, wxGridColumnOperations()) ); } bool wxGrid::MoveCursorRightBlock( bool expandSelection ) { return DoMoveCursorByBlock( expandSelection, wxGridForwardOperations(this, wxGridColumnOperations()) ); } // // ------ Label values and formatting // void wxGrid::GetRowLabelAlignment( int *horiz, int *vert ) const { if ( horiz ) *horiz = m_rowLabelHorizAlign; if ( vert ) *vert = m_rowLabelVertAlign; } void wxGrid::GetColLabelAlignment( int *horiz, int *vert ) const { if ( horiz ) *horiz = m_colLabelHorizAlign; if ( vert ) *vert = m_colLabelVertAlign; } int wxGrid::GetColLabelTextOrientation() const { return m_colLabelTextOrientation; } wxString wxGrid::GetRowLabelValue( int row ) const { if ( m_table ) { return m_table->GetRowLabelValue( row ); } else { wxString s; s << row; return s; } } wxString wxGrid::GetColLabelValue( int col ) const { if ( m_table ) { return m_table->GetColLabelValue( col ); } else { wxString s; s << col; return s; } } void wxGrid::SetRowLabelSize( int width ) { wxASSERT( width >= 0 || width == wxGRID_AUTOSIZE ); if ( width == wxGRID_AUTOSIZE ) { width = CalcColOrRowLabelAreaMinSize(wxGRID_ROW); } if ( width != m_rowLabelWidth ) { if ( width == 0 ) { m_rowLabelWin->Show( false ); m_cornerLabelWin->Show( false ); } else if ( m_rowLabelWidth == 0 ) { m_rowLabelWin->Show( true ); if ( m_colLabelHeight > 0 ) m_cornerLabelWin->Show( true ); } m_rowLabelWidth = width; InvalidateBestSize(); CalcWindowSizes(); wxScrolledWindow::Refresh( true ); } } void wxGrid::SetColLabelSize( int height ) { wxASSERT( height >=0 || height == wxGRID_AUTOSIZE ); if ( height == wxGRID_AUTOSIZE ) { height = CalcColOrRowLabelAreaMinSize(wxGRID_COLUMN); } if ( height != m_colLabelHeight ) { if ( height == 0 ) { m_colWindow->Show( false ); m_cornerLabelWin->Show( false ); } else if ( m_colLabelHeight == 0 ) { m_colWindow->Show( true ); if ( m_rowLabelWidth > 0 ) m_cornerLabelWin->Show( true ); } m_colLabelHeight = height; InvalidateBestSize(); CalcWindowSizes(); wxScrolledWindow::Refresh( true ); } } void wxGrid::SetLabelBackgroundColour( const wxColour& colour ) { if ( m_labelBackgroundColour != colour ) { m_labelBackgroundColour = colour; m_rowLabelWin->SetBackgroundColour( colour ); m_colWindow->SetBackgroundColour( colour ); m_cornerLabelWin->SetBackgroundColour( colour ); if ( !GetBatchCount() ) { m_rowLabelWin->Refresh(); m_colWindow->Refresh(); m_cornerLabelWin->Refresh(); } } } void wxGrid::SetLabelTextColour( const wxColour& colour ) { if ( m_labelTextColour != colour ) { m_labelTextColour = colour; if ( !GetBatchCount() ) { m_rowLabelWin->Refresh(); m_colWindow->Refresh(); } } } void wxGrid::SetLabelFont( const wxFont& font ) { m_labelFont = font; if ( !GetBatchCount() ) { m_rowLabelWin->Refresh(); m_colWindow->Refresh(); } } void wxGrid::SetRowLabelAlignment( int horiz, int vert ) { // allow old (incorrect) defs to be used switch ( horiz ) { case wxLEFT: horiz = wxALIGN_LEFT; break; case wxRIGHT: horiz = wxALIGN_RIGHT; break; case wxCENTRE: horiz = wxALIGN_CENTRE; break; } switch ( vert ) { case wxTOP: vert = wxALIGN_TOP; break; case wxBOTTOM: vert = wxALIGN_BOTTOM; break; case wxCENTRE: vert = wxALIGN_CENTRE; break; } if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT ) { m_rowLabelHorizAlign = horiz; } if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM ) { m_rowLabelVertAlign = vert; } if ( !GetBatchCount() ) { m_rowLabelWin->Refresh(); } } void wxGrid::SetColLabelAlignment( int horiz, int vert ) { // allow old (incorrect) defs to be used switch ( horiz ) { case wxLEFT: horiz = wxALIGN_LEFT; break; case wxRIGHT: horiz = wxALIGN_RIGHT; break; case wxCENTRE: horiz = wxALIGN_CENTRE; break; } switch ( vert ) { case wxTOP: vert = wxALIGN_TOP; break; case wxBOTTOM: vert = wxALIGN_BOTTOM; break; case wxCENTRE: vert = wxALIGN_CENTRE; break; } if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT ) { m_colLabelHorizAlign = horiz; } if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM ) { m_colLabelVertAlign = vert; } if ( !GetBatchCount() ) { m_colWindow->Refresh(); } } // Note: under MSW, the default column label font must be changed because it // does not support vertical printing // // Example: wxFont font(9, wxSWISS, wxNORMAL, wxBOLD); // pGrid->SetLabelFont(font); // pGrid->SetColLabelTextOrientation(wxVERTICAL); // void wxGrid::SetColLabelTextOrientation( int textOrientation ) { if ( textOrientation == wxHORIZONTAL || textOrientation == wxVERTICAL ) m_colLabelTextOrientation = textOrientation; if ( !GetBatchCount() ) m_colWindow->Refresh(); } void wxGrid::SetRowLabelValue( int row, const wxString& s ) { if ( m_table ) { m_table->SetRowLabelValue( row, s ); if ( !GetBatchCount() ) { wxRect rect = CellToRect( row, 0 ); if ( rect.height > 0 ) { CalcScrolledPosition(0, rect.y, &rect.x, &rect.y); rect.x = 0; rect.width = m_rowLabelWidth; m_rowLabelWin->Refresh( true, &rect ); } } } } void wxGrid::SetColLabelValue( int col, const wxString& s ) { if ( m_table ) { m_table->SetColLabelValue( col, s ); if ( !GetBatchCount() ) { if ( m_useNativeHeader ) { GetGridColHeader()->UpdateColumn(col); } else { wxRect rect = CellToRect( 0, col ); if ( rect.width > 0 ) { CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y); rect.y = 0; rect.height = m_colLabelHeight; GetColLabelWindow()->Refresh( true, &rect ); } } } } } void wxGrid::SetGridLineColour( const wxColour& colour ) { if ( m_gridLineColour != colour ) { m_gridLineColour = colour; if ( GridLinesEnabled() ) RedrawGridLines(); } } void wxGrid::SetCellHighlightColour( const wxColour& colour ) { if ( m_cellHighlightColour != colour ) { m_cellHighlightColour = colour; wxClientDC dc( m_gridWin ); PrepareDC( dc ); wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords); DrawCellHighlight(dc, attr); attr->DecRef(); } } void wxGrid::SetCellHighlightPenWidth(int width) { if (m_cellHighlightPenWidth != width) { m_cellHighlightPenWidth = width; // Just redrawing the cell highlight is not enough since that won't // make any visible change if the thickness is getting smaller. int row = m_currentCellCoords.GetRow(); int col = m_currentCellCoords.GetCol(); if ( row == -1 || col == -1 || GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 ) return; wxRect rect = CellToRect(row, col); m_gridWin->Refresh(true, &rect); } } void wxGrid::SetCellHighlightROPenWidth(int width) { if (m_cellHighlightROPenWidth != width) { m_cellHighlightROPenWidth = width; // Just redrawing the cell highlight is not enough since that won't // make any visible change if the thickness is getting smaller. int row = m_currentCellCoords.GetRow(); int col = m_currentCellCoords.GetCol(); if ( row == -1 || col == -1 || GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 ) return; wxRect rect = CellToRect(row, col); m_gridWin->Refresh(true, &rect); } } void wxGrid::RedrawGridLines() { // the lines will be redrawn when the window is thawn if ( GetBatchCount() ) return; if ( GridLinesEnabled() ) { wxClientDC dc( m_gridWin ); PrepareDC( dc ); DrawAllGridLines( dc, wxRegion() ); } else // remove the grid lines { m_gridWin->Refresh(); } } void wxGrid::EnableGridLines( bool enable ) { if ( enable != m_gridLinesEnabled ) { m_gridLinesEnabled = enable; RedrawGridLines(); } } void wxGrid::DoClipGridLines(bool& var, bool clip) { if ( clip != var ) { var = clip; if ( GridLinesEnabled() ) RedrawGridLines(); } } int wxGrid::GetDefaultRowSize() const { return m_defaultRowHeight; } int wxGrid::GetRowSize( int row ) const { wxCHECK_MSG( row >= 0 && row < m_numRows, 0, wxT("invalid row index") ); return GetRowHeight(row); } int wxGrid::GetDefaultColSize() const { return m_defaultColWidth; } int wxGrid::GetColSize( int col ) const { wxCHECK_MSG( col >= 0 && col < m_numCols, 0, wxT("invalid column index") ); return GetColWidth(col); } // ============================================================================ // access to the grid attributes: each of them has a default value in the grid // itself and may be overidden on a per-cell basis // ============================================================================ // ---------------------------------------------------------------------------- // setting default attributes // ---------------------------------------------------------------------------- void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col ) { m_defaultCellAttr->SetBackgroundColour(col); #ifdef __WXGTK__ m_gridWin->SetBackgroundColour(col); #endif } void wxGrid::SetDefaultCellTextColour( const wxColour& col ) { m_defaultCellAttr->SetTextColour(col); } void wxGrid::SetDefaultCellAlignment( int horiz, int vert ) { m_defaultCellAttr->SetAlignment(horiz, vert); } void wxGrid::SetDefaultCellOverflow( bool allow ) { m_defaultCellAttr->SetOverflow(allow); } void wxGrid::SetDefaultCellFont( const wxFont& font ) { m_defaultCellAttr->SetFont(font); } // For editors and renderers the type registry takes precedence over the // default attr, so we need to register the new editor/renderer for the string // data type in order to make setting a default editor/renderer appear to // work correctly. void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer) { RegisterDataType(wxGRID_VALUE_STRING, renderer, GetDefaultEditorForType(wxGRID_VALUE_STRING)); } void wxGrid::SetDefaultEditor(wxGridCellEditor *editor) { RegisterDataType(wxGRID_VALUE_STRING, GetDefaultRendererForType(wxGRID_VALUE_STRING), editor); } // ---------------------------------------------------------------------------- // access to the default attributes // ---------------------------------------------------------------------------- wxColour wxGrid::GetDefaultCellBackgroundColour() const { return m_defaultCellAttr->GetBackgroundColour(); } wxColour wxGrid::GetDefaultCellTextColour() const { return m_defaultCellAttr->GetTextColour(); } wxFont wxGrid::GetDefaultCellFont() const { return m_defaultCellAttr->GetFont(); } void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert ) const { m_defaultCellAttr->GetAlignment(horiz, vert); } bool wxGrid::GetDefaultCellOverflow() const { return m_defaultCellAttr->GetOverflow(); } wxGridCellRenderer *wxGrid::GetDefaultRenderer() const { return m_defaultCellAttr->GetRenderer(NULL, 0, 0); } wxGridCellEditor *wxGrid::GetDefaultEditor() const { return m_defaultCellAttr->GetEditor(NULL, 0, 0); } // ---------------------------------------------------------------------------- // access to cell attributes // ---------------------------------------------------------------------------- wxColour wxGrid::GetCellBackgroundColour(int row, int col) const { wxGridCellAttr *attr = GetCellAttr(row, col); wxColour colour = attr->GetBackgroundColour(); attr->DecRef(); return colour; } wxColour wxGrid::GetCellTextColour( int row, int col ) const { wxGridCellAttr *attr = GetCellAttr(row, col); wxColour colour = attr->GetTextColour(); attr->DecRef(); return colour; } wxFont wxGrid::GetCellFont( int row, int col ) const { wxGridCellAttr *attr = GetCellAttr(row, col); wxFont font = attr->GetFont(); attr->DecRef(); return font; } void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert ) const { wxGridCellAttr *attr = GetCellAttr(row, col); attr->GetAlignment(horiz, vert); attr->DecRef(); } bool wxGrid::GetCellOverflow( int row, int col ) const { wxGridCellAttr *attr = GetCellAttr(row, col); bool allow = attr->GetOverflow(); attr->DecRef(); return allow; } wxGrid::CellSpan wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols ) const { wxGridCellAttr *attr = GetCellAttr(row, col); attr->GetSize( num_rows, num_cols ); attr->DecRef(); if ( *num_rows == 1 && *num_cols == 1 ) return CellSpan_None; // just a normal cell if ( *num_rows < 0 || *num_cols < 0 ) return CellSpan_Inside; // covered by a multi-span cell // this cell spans multiple cells to its right/bottom return CellSpan_Main; } wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col) const { wxGridCellAttr* attr = GetCellAttr(row, col); wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col); attr->DecRef(); return renderer; } wxGridCellEditor* wxGrid::GetCellEditor(int row, int col) const { wxGridCellAttr* attr = GetCellAttr(row, col); wxGridCellEditor* editor = attr->GetEditor(this, row, col); attr->DecRef(); return editor; } bool wxGrid::IsReadOnly(int row, int col) const { wxGridCellAttr* attr = GetCellAttr(row, col); bool isReadOnly = attr->IsReadOnly(); attr->DecRef(); return isReadOnly; } // ---------------------------------------------------------------------------- // attribute support: cache, automatic provider creation, ... // ---------------------------------------------------------------------------- bool wxGrid::CanHaveAttributes() const { if ( !m_table ) { return false; } return m_table->CanHaveAttributes(); } void wxGrid::ClearAttrCache() { if ( m_attrCache.row != -1 ) { wxGridCellAttr *oldAttr = m_attrCache.attr; m_attrCache.attr = NULL; m_attrCache.row = -1; // wxSafeDecRec(...) might cause event processing that accesses // the cached attribute, if one exists (e.g. by deleting the // editor stored within the attribute). Therefore it is important // to invalidate the cache before calling wxSafeDecRef! wxSafeDecRef(oldAttr); } } void wxGrid::RefreshAttr(int row, int col) { if ( m_attrCache.row == row && m_attrCache.col == col ) ClearAttrCache(); } void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const { if ( attr != NULL ) { wxGrid * const self = const_cast(this); self->ClearAttrCache(); self->m_attrCache.row = row; self->m_attrCache.col = col; self->m_attrCache.attr = attr; wxSafeIncRef(attr); } } bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const { if ( row == m_attrCache.row && col == m_attrCache.col ) { *attr = m_attrCache.attr; wxSafeIncRef(m_attrCache.attr); #ifdef DEBUG_ATTR_CACHE gs_nAttrCacheHits++; #endif return true; } else { #ifdef DEBUG_ATTR_CACHE gs_nAttrCacheMisses++; #endif return false; } } wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const { wxGridCellAttr *attr = NULL; // Additional test to avoid looking at the cache e.g. for // wxNoCellCoords, as this will confuse memory management. if ( row >= 0 ) { if ( !LookupAttr(row, col, &attr) ) { attr = m_table ? m_table->GetAttr(row, col, wxGridCellAttr::Any) : NULL; CacheAttr(row, col, attr); } } if (attr) { attr->SetDefAttr(m_defaultCellAttr); } else { attr = m_defaultCellAttr; attr->IncRef(); } return attr; } wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const { wxGridCellAttr *attr = NULL; bool canHave = ((wxGrid*)this)->CanHaveAttributes(); wxCHECK_MSG( canHave, attr, wxT("Cell attributes not allowed")); wxCHECK_MSG( m_table, attr, wxT("must have a table") ); attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell); if ( !attr ) { attr = new wxGridCellAttr(m_defaultCellAttr); // artificially inc the ref count to match DecRef() in caller attr->IncRef(); m_table->SetAttr(attr, row, col); } return attr; } // ---------------------------------------------------------------------------- // setting column attributes (wrappers around SetColAttr) // ---------------------------------------------------------------------------- void wxGrid::SetColFormatBool(int col) { SetColFormatCustom(col, wxGRID_VALUE_BOOL); } void wxGrid::SetColFormatNumber(int col) { SetColFormatCustom(col, wxGRID_VALUE_NUMBER); } void wxGrid::SetColFormatFloat(int col, int width, int precision) { wxString typeName = wxGRID_VALUE_FLOAT; if ( (width != -1) || (precision != -1) ) { typeName << wxT(':') << width << wxT(',') << precision; } SetColFormatCustom(col, typeName); } void wxGrid::SetColFormatCustom(int col, const wxString& typeName) { wxGridCellAttr *attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col ); if (!attr) attr = new wxGridCellAttr; wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName); attr->SetRenderer(renderer); wxGridCellEditor *editor = GetDefaultEditorForType(typeName); attr->SetEditor(editor); SetColAttr(col, attr); } // ---------------------------------------------------------------------------- // setting cell attributes: this is forwarded to the table // ---------------------------------------------------------------------------- void wxGrid::SetAttr(int row, int col, wxGridCellAttr *attr) { if ( CanHaveAttributes() ) { m_table->SetAttr(attr, row, col); ClearAttrCache(); } else { wxSafeDecRef(attr); } } void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr) { if ( CanHaveAttributes() ) { m_table->SetRowAttr(attr, row); ClearAttrCache(); } else { wxSafeDecRef(attr); } } void wxGrid::SetColAttr(int col, wxGridCellAttr *attr) { if ( CanHaveAttributes() ) { m_table->SetColAttr(attr, col); ClearAttrCache(); } else { wxSafeDecRef(attr); } } void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour ) { if ( CanHaveAttributes() ) { wxGridCellAttr *attr = GetOrCreateCellAttr(row, col); attr->SetBackgroundColour(colour); attr->DecRef(); } } void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour ) { if ( CanHaveAttributes() ) { wxGridCellAttr *attr = GetOrCreateCellAttr(row, col); attr->SetTextColour(colour); attr->DecRef(); } } void wxGrid::SetCellFont( int row, int col, const wxFont& font ) { if ( CanHaveAttributes() ) { wxGridCellAttr *attr = GetOrCreateCellAttr(row, col); attr->SetFont(font); attr->DecRef(); } } void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert ) { if ( CanHaveAttributes() ) { wxGridCellAttr *attr = GetOrCreateCellAttr(row, col); attr->SetAlignment(horiz, vert); attr->DecRef(); } } void wxGrid::SetCellOverflow( int row, int col, bool allow ) { if ( CanHaveAttributes() ) { wxGridCellAttr *attr = GetOrCreateCellAttr(row, col); attr->SetOverflow(allow); attr->DecRef(); } } void wxGrid::SetCellSize( int row, int col, int num_rows, int num_cols ) { if ( CanHaveAttributes() ) { int cell_rows, cell_cols; wxGridCellAttr *attr = GetOrCreateCellAttr(row, col); attr->GetSize(&cell_rows, &cell_cols); attr->SetSize(num_rows, num_cols); attr->DecRef(); // Cannot set the size of a cell to 0 or negative values // While it is perfectly legal to do that, this function cannot // handle all the possibilies, do it by hand by getting the CellAttr. // You can only set the size of a cell to 1,1 or greater with this fn wxASSERT_MSG( !((cell_rows < 1) || (cell_cols < 1)), wxT("wxGrid::SetCellSize setting cell size that is already part of another cell")); wxASSERT_MSG( !((num_rows < 1) || (num_cols < 1)), wxT("wxGrid::SetCellSize setting cell size to < 1")); // if this was already a multicell then "turn off" the other cells first if ((cell_rows > 1) || (cell_cols > 1)) { int i, j; for (j=row; j < row + cell_rows; j++) { for (i=col; i < col + cell_cols; i++) { if ((i != col) || (j != row)) { wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i); attr_stub->SetSize( 1, 1 ); attr_stub->DecRef(); } } } } // mark the cells that will be covered by this cell to // negative or zero values to point back at this cell if (((num_rows > 1) || (num_cols > 1)) && (num_rows >= 1) && (num_cols >= 1)) { int i, j; for (j=row; j < row + num_rows; j++) { for (i=col; i < col + num_cols; i++) { if ((i != col) || (j != row)) { wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i); attr_stub->SetSize( row - j, col - i ); attr_stub->DecRef(); } } } } } } void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer) { if ( CanHaveAttributes() ) { wxGridCellAttr *attr = GetOrCreateCellAttr(row, col); attr->SetRenderer(renderer); attr->DecRef(); } } void wxGrid::SetCellEditor(int row, int col, wxGridCellEditor* editor) { if ( CanHaveAttributes() ) { wxGridCellAttr *attr = GetOrCreateCellAttr(row, col); attr->SetEditor(editor); attr->DecRef(); } } void wxGrid::SetReadOnly(int row, int col, bool isReadOnly) { if ( CanHaveAttributes() ) { wxGridCellAttr *attr = GetOrCreateCellAttr(row, col); attr->SetReadOnly(isReadOnly); attr->DecRef(); } } // ---------------------------------------------------------------------------- // Data type registration // ---------------------------------------------------------------------------- void wxGrid::RegisterDataType(const wxString& typeName, wxGridCellRenderer* renderer, wxGridCellEditor* editor) { m_typeRegistry->RegisterDataType(typeName, renderer, editor); } wxGridCellEditor * wxGrid::GetDefaultEditorForCell(int row, int col) const { wxString typeName = m_table->GetTypeName(row, col); return GetDefaultEditorForType(typeName); } wxGridCellRenderer * wxGrid::GetDefaultRendererForCell(int row, int col) const { wxString typeName = m_table->GetTypeName(row, col); return GetDefaultRendererForType(typeName); } wxGridCellEditor * wxGrid::GetDefaultEditorForType(const wxString& typeName) const { int index = m_typeRegistry->FindOrCloneDataType(typeName); if ( index == wxNOT_FOUND ) { wxFAIL_MSG(wxString::Format(wxT("Unknown data type name [%s]"), typeName.c_str())); return NULL; } return m_typeRegistry->GetEditor(index); } wxGridCellRenderer * wxGrid::GetDefaultRendererForType(const wxString& typeName) const { int index = m_typeRegistry->FindOrCloneDataType(typeName); if ( index == wxNOT_FOUND ) { wxFAIL_MSG(wxString::Format(wxT("Unknown data type name [%s]"), typeName.c_str())); return NULL; } return m_typeRegistry->GetRenderer(index); } // ---------------------------------------------------------------------------- // row/col size // ---------------------------------------------------------------------------- void wxGrid::DoDisableLineResize(int line, wxGridFixedIndicesSet *& setFixed) { if ( !setFixed ) { setFixed = new wxGridFixedIndicesSet; } setFixed->insert(line); } bool wxGrid::DoCanResizeLine(int line, const wxGridFixedIndicesSet *setFixed) const { return !setFixed || !setFixed->count(line); } void wxGrid::EnableDragRowSize( bool enable ) { m_canDragRowSize = enable; } void wxGrid::EnableDragColSize( bool enable ) { m_canDragColSize = enable; } void wxGrid::EnableDragGridSize( bool enable ) { m_canDragGridSize = enable; } void wxGrid::EnableDragCell( bool enable ) { m_canDragCell = enable; } void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows ) { m_defaultRowHeight = wxMax( height, m_minAcceptableRowHeight ); if ( resizeExistingRows ) { // since we are resizing all rows to the default row size, // we can simply clear the row heights and row bottoms // arrays (which also allows us to take advantage of // some speed optimisations) m_rowHeights.Empty(); m_rowBottoms.Empty(); if ( !GetBatchCount() ) CalcDimensions(); } } namespace { // This is a common part of SetRowSize() and SetColSize() which takes care of // updating the height/width of a row/column depending on its current value and // the new one. // // Returns the difference between the new and the old size. int UpdateRowOrColSize(int& sizeCurrent, int sizeNew) { // On input here sizeCurrent can be negative if it's currently hidden (the // real size is its absolute value then). And sizeNew can be 0 to indicate // that the row/column should be hidden or -1 to indicate that it should be // shown again. if ( sizeNew < 0 ) { // We're showing back a previously hidden row/column. wxASSERT_MSG( sizeNew == -1, wxS("New size must be positive or -1.") ); // If it's already visible, simply do nothing. if ( sizeCurrent >= 0 ) return 0; // Otherwise show it by restoring its old size. sizeCurrent = -sizeCurrent; // This is positive which is correct. return sizeCurrent; } else if ( sizeNew == 0 ) { // We're hiding a row/column. // If it's already hidden, simply do nothing. if ( sizeCurrent <= 0 ) return 0; // Otherwise hide it and also remember the shown size to be able to // restore it later. sizeCurrent = -sizeCurrent; // This is negative which is correct. return sizeCurrent; } else // We're just changing the row/column size. { // Here it could have been hidden or not previously. const int sizeOld = sizeCurrent < 0 ? 0 : sizeCurrent; sizeCurrent = sizeNew; return sizeCurrent - sizeOld; } } } // anonymous namespace void wxGrid::SetRowSize( int row, int height ) { // See comment in SetColSize if ( height > 0 && height < GetRowMinimalAcceptableHeight()) return; // The value of -1 is special and means to fit the height to the row label. // As with the columns, ignore attempts to auto-size the hidden rows. if ( height == -1 && GetRowHeight(row) != 0 ) { long w, h; wxArrayString lines; wxClientDC dc(m_rowLabelWin); dc.SetFont(GetLabelFont()); StringToLines(GetRowLabelValue( row ), lines); GetTextBoxSize( dc, lines, &w, &h ); // As with the columns, don't make the row smaller than minimal height. height = wxMax(h, GetRowMinimalHeight(row)); } DoSetRowSize(row, height); } void wxGrid::DoSetRowSize( int row, int height ) { wxCHECK_RET( row >= 0 && row < m_numRows, wxT("invalid row index") ); if ( m_rowHeights.IsEmpty() ) { // need to really create the array InitRowHeights(); } const int diff = UpdateRowOrColSize(m_rowHeights[row], height); if ( !diff ) return; for ( int i = row; i < m_numRows; i++ ) { m_rowBottoms[i] += diff; } InvalidateBestSize(); if ( !GetBatchCount() ) { CalcDimensions(); Refresh(); } } void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols ) { // we dont allow zero default column width m_defaultColWidth = wxMax( wxMax( width, m_minAcceptableColWidth ), 1 ); if ( resizeExistingCols ) { // since we are resizing all columns to the default column size, // we can simply clear the col widths and col rights // arrays (which also allows us to take advantage of // some speed optimisations) m_colWidths.Empty(); m_colRights.Empty(); if ( !GetBatchCount() ) CalcDimensions(); } } void wxGrid::SetColSize( int col, int width ) { // we intentionally don't test whether the width is less than // GetColMinimalWidth() here but we do compare it with // GetColMinimalAcceptableWidth() as otherwise things currently break (see // #651) -- and we also always allow the width of 0 as it has the special // sense of hiding the column if ( width > 0 && width < GetColMinimalAcceptableWidth() ) return; // The value of -1 is special and means to fit the width to the column label. // // Notice that we currently don't support auto-sizing hidden columns (we // could, but it's not clear whether this is really needed and it would // make the code more complex), and for them passing -1 simply means to // show the column back using its old size. if ( width == -1 && GetColWidth(col) != 0 ) { long w, h; wxArrayString lines; wxClientDC dc(m_colWindow); dc.SetFont(GetLabelFont()); StringToLines(GetColLabelValue(col), lines); if ( GetColLabelTextOrientation() == wxHORIZONTAL ) GetTextBoxSize( dc, lines, &w, &h ); else GetTextBoxSize( dc, lines, &h, &w ); width = w + 6; // Check that it is not less than the minimal width and do use the // possibly greater than minimal-acceptable-width minimal-width itself // here as we shouldn't become too small when auto-sizing, otherwise // the column could be resized to be too small by double clicking its // divider line (which ends up in a call to this function) even though // it couldn't be resized to this size by dragging it. width = wxMax(width, GetColMinimalWidth(col)); } DoSetColSize(col, width); } void wxGrid::DoSetColSize( int col, int width ) { wxCHECK_RET( col >= 0 && col < m_numCols, wxT("invalid column index") ); if ( m_colWidths.IsEmpty() ) { // need to really create the array InitColWidths(); } const int diff = UpdateRowOrColSize(m_colWidths[col], width); if ( !diff ) return; if ( m_useNativeHeader ) GetGridColHeader()->UpdateColumn(col); //else: will be refreshed when the header is redrawn for ( int colPos = GetColPos(col); colPos < m_numCols; colPos++ ) { m_colRights[GetColAt(colPos)] += diff; } InvalidateBestSize(); if ( !GetBatchCount() ) { CalcDimensions(); Refresh(); } } void wxGrid::SetColMinimalWidth( int col, int width ) { if (width > GetColMinimalAcceptableWidth()) { wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col; m_colMinWidths[key] = width; } } void wxGrid::SetRowMinimalHeight( int row, int width ) { if (width > GetRowMinimalAcceptableHeight()) { wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row; m_rowMinHeights[key] = width; } } int wxGrid::GetColMinimalWidth(int col) const { wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col; wxLongToLongHashMap::const_iterator it = m_colMinWidths.find(key); return it != m_colMinWidths.end() ? (int)it->second : m_minAcceptableColWidth; } int wxGrid::GetRowMinimalHeight(int row) const { wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row; wxLongToLongHashMap::const_iterator it = m_rowMinHeights.find(key); return it != m_rowMinHeights.end() ? (int)it->second : m_minAcceptableRowHeight; } void wxGrid::SetColMinimalAcceptableWidth( int width ) { // We do allow a width of 0 since this gives us // an easy way to temporarily hiding columns. if ( width >= 0 ) m_minAcceptableColWidth = width; } void wxGrid::SetRowMinimalAcceptableHeight( int height ) { // We do allow a height of 0 since this gives us // an easy way to temporarily hiding rows. if ( height >= 0 ) m_minAcceptableRowHeight = height; } int wxGrid::GetColMinimalAcceptableWidth() const { return m_minAcceptableColWidth; } int wxGrid::GetRowMinimalAcceptableHeight() const { return m_minAcceptableRowHeight; } // ---------------------------------------------------------------------------- // auto sizing // ---------------------------------------------------------------------------- void wxGrid::AutoSizeColOrRow(int colOrRow, bool setAsMin, wxGridDirection direction) { const bool column = direction == wxGRID_COLUMN; // We don't support auto-sizing hidden rows or columns, this doesn't seem // to make much sense. if ( column ) { if ( GetColWidth(colOrRow) == 0 ) return; } else { if ( GetRowHeight(colOrRow) == 0 ) return; } wxClientDC dc(m_gridWin); // cancel editing of cell HideCellEditControl(); SaveEditControlValue(); // initialize both of them just to avoid compiler warnings even if only // really needs to be initialized here int row, col; if ( column ) { row = -1; col = colOrRow; } else { row = colOrRow; col = -1; } wxCoord extent, extentMax = 0; int max = column ? m_numRows : m_numCols; for ( int rowOrCol = 0; rowOrCol < max; rowOrCol++ ) { if ( column ) { if ( !IsRowShown(rowOrCol) ) continue; row = rowOrCol; col = colOrRow; } else { if ( !IsColShown(rowOrCol) ) continue; row = colOrRow; col = rowOrCol; } // we need to account for the cells spanning multiple columns/rows: // while they may need a lot of space, they don't need all of it in // this column/row int numRows, numCols; const CellSpan span = GetCellSize(row, col, &numRows, &numCols); if ( span == CellSpan_Inside ) { // we need to get the size of the main cell, not of a cell hidden // by it row += numRows; col += numCols; // get the size of the main cell too GetCellSize(row, col, &numRows, &numCols); } // get cell ( main cell if CellSpan_Inside ) renderer best size wxGridCellAttr *attr = GetCellAttr(row, col); wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col); if ( renderer ) { wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col); extent = column ? size.x : size.y; if ( span != CellSpan_None ) { // we spread the size of a spanning cell over all the cells it // covers evenly -- this is probably not ideal but we can't // really do much better here // // notice that numCols and numRows are never 0 as they // correspond to the size of the main cell of the span and not // of the cell inside it extent /= column ? numCols : numRows; } if ( extent > extentMax ) extentMax = extent; renderer->DecRef(); } attr->DecRef(); } // now also compare with the column label extent wxCoord w, h; dc.SetFont( GetLabelFont() ); if ( column ) { dc.GetMultiLineTextExtent( GetColLabelValue(colOrRow), &w, &h ); if ( GetColLabelTextOrientation() == wxVERTICAL ) w = h; } else dc.GetMultiLineTextExtent( GetRowLabelValue(colOrRow), &w, &h ); extent = column ? w : h; if ( extent > extentMax ) extentMax = extent; if ( !extentMax ) { // empty column - give default extent (notice that if extentMax is less // than default extent but != 0, it's OK) extentMax = column ? m_defaultColWidth : m_defaultRowHeight; } else { if ( column ) // leave some space around text extentMax += 10; else extentMax += 6; } if ( column ) { // Ensure automatic width is not less than minimal width. See the // comment in SetColSize() for explanation of why this isn't done // in SetColSize(). if ( !setAsMin ) extentMax = wxMax(extentMax, GetColMinimalWidth(colOrRow)); SetColSize( colOrRow, extentMax ); if ( !GetBatchCount() ) { if ( m_useNativeHeader ) { GetGridColHeader()->UpdateColumn(colOrRow); } else { int cw, ch, dummy; m_gridWin->GetClientSize( &cw, &ch ); wxRect rect ( CellToRect( 0, colOrRow ) ); rect.y = 0; CalcScrolledPosition(rect.x, 0, &rect.x, &dummy); rect.width = cw - rect.x; rect.height = m_colLabelHeight; GetColLabelWindow()->Refresh( true, &rect ); } } } else { // Ensure automatic width is not less than minimal height. See the // comment in SetColSize() for explanation of why this isn't done // in SetRowSize(). if ( !setAsMin ) extentMax = wxMax(extentMax, GetRowMinimalHeight(colOrRow)); SetRowSize(colOrRow, extentMax); if ( !GetBatchCount() ) { int cw, ch, dummy; m_gridWin->GetClientSize( &cw, &ch ); wxRect rect( CellToRect( colOrRow, 0 ) ); rect.x = 0; CalcScrolledPosition(0, rect.y, &dummy, &rect.y); rect.width = m_rowLabelWidth; rect.height = ch - rect.y; m_rowLabelWin->Refresh( true, &rect ); } } if ( setAsMin ) { if ( column ) SetColMinimalWidth(colOrRow, extentMax); else SetRowMinimalHeight(colOrRow, extentMax); } } wxCoord wxGrid::CalcColOrRowLabelAreaMinSize(wxGridDirection direction) { // calculate size for the rows or columns? const bool calcRows = direction == wxGRID_ROW; wxClientDC dc(calcRows ? GetGridRowLabelWindow() : GetGridColLabelWindow()); dc.SetFont(GetLabelFont()); // which dimension should we take into account for calculations? // // for columns, the text can be only horizontal so it's easy but for rows // we also have to take into account the text orientation const bool useWidth = calcRows || (GetColLabelTextOrientation() == wxVERTICAL); wxArrayString lines; wxCoord extentMax = 0; const int numRowsOrCols = calcRows ? m_numRows : m_numCols; for ( int rowOrCol = 0; rowOrCol < numRowsOrCols; rowOrCol++ ) { lines.Clear(); wxString label = calcRows ? GetRowLabelValue(rowOrCol) : GetColLabelValue(rowOrCol); StringToLines(label, lines); long w, h; GetTextBoxSize(dc, lines, &w, &h); const wxCoord extent = useWidth ? w : h; if ( extent > extentMax ) extentMax = extent; } if ( !extentMax ) { // empty column - give default extent (notice that if extentMax is less // than default extent but != 0, it's OK) extentMax = calcRows ? GetDefaultRowLabelSize() : GetDefaultColLabelSize(); } // leave some space around text (taken from AutoSizeColOrRow) if ( calcRows ) extentMax += 10; else extentMax += 6; return extentMax; } int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin) { int width = m_rowLabelWidth; wxGridUpdateLocker locker; if(!calcOnly) locker.Create(this); for ( int col = 0; col < m_numCols; col++ ) { if ( !calcOnly ) AutoSizeColumn(col, setAsMin); width += GetColWidth(col); } return width; } int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin) { int height = m_colLabelHeight; wxGridUpdateLocker locker; if(!calcOnly) locker.Create(this); for ( int row = 0; row < m_numRows; row++ ) { if ( !calcOnly ) AutoSizeRow(row, setAsMin); height += GetRowHeight(row); } return height; } void wxGrid::AutoSize() { wxGridUpdateLocker locker(this); wxSize size(SetOrCalcColumnSizes(false) - m_rowLabelWidth + m_extraWidth, SetOrCalcRowSizes(false) - m_colLabelHeight + m_extraHeight); // we know that we're not going to have scrollbars so disable them now to // avoid trouble in SetClientSize() which can otherwise set the correct // client size but also leave space for (not needed any more) scrollbars SetScrollbars(m_xScrollPixelsPerLine, m_yScrollPixelsPerLine, 0, 0, 0, 0, true); SetClientSize(size.x + m_rowLabelWidth, size.y + m_colLabelHeight); } void wxGrid::AutoSizeRowLabelSize( int row ) { // Hide the edit control, so it // won't interfere with drag-shrinking. if ( IsCellEditControlShown() ) { HideCellEditControl(); SaveEditControlValue(); } // autosize row height depending on label text SetRowSize(row, -1); ForceRefresh(); } void wxGrid::AutoSizeColLabelSize( int col ) { // Hide the edit control, so it // won't interfere with drag-shrinking. if ( IsCellEditControlShown() ) { HideCellEditControl(); SaveEditControlValue(); } // autosize column width depending on label text SetColSize(col, -1); ForceRefresh(); } wxSize wxGrid::DoGetBestSize() const { wxGrid * const self = const_cast(this); // we do the same as in AutoSize() here with the exception that we don't // change the column/row sizes, only calculate them wxSize size(self->SetOrCalcColumnSizes(true) - m_rowLabelWidth + m_extraWidth, self->SetOrCalcRowSizes(true) - m_colLabelHeight + m_extraHeight); return wxSize(size.x + m_rowLabelWidth, size.y + m_colLabelHeight) + GetWindowBorderSize(); } void wxGrid::Fit() { AutoSize(); } #if WXWIN_COMPATIBILITY_2_8 wxPen& wxGrid::GetDividerPen() const { return wxNullPen; } #endif // WXWIN_COMPATIBILITY_2_8 // ---------------------------------------------------------------------------- // cell value accessor functions // ---------------------------------------------------------------------------- void wxGrid::SetCellValue( int row, int col, const wxString& s ) { if ( m_table ) { m_table->SetValue( row, col, s ); if ( !GetBatchCount() ) { int dummy; wxRect rect( CellToRect( row, col ) ); rect.x = 0; rect.width = m_gridWin->GetClientSize().GetWidth(); CalcScrolledPosition(0, rect.y, &dummy, &rect.y); m_gridWin->Refresh( false, &rect ); } if ( m_currentCellCoords.GetRow() == row && m_currentCellCoords.GetCol() == col && IsCellEditControlShown()) // Note: If we are using IsCellEditControlEnabled, // this interacts badly with calling SetCellValue from // an EVT_GRID_CELL_CHANGE handler. { HideCellEditControl(); ShowCellEditControl(); // will reread data from table } } } // ---------------------------------------------------------------------------- // block, row and column selection // ---------------------------------------------------------------------------- void wxGrid::SelectRow( int row, bool addToSelected ) { if ( !m_selection ) return; if ( !addToSelected ) ClearSelection(); m_selection->SelectRow(row); } void wxGrid::SelectCol( int col, bool addToSelected ) { if ( !m_selection ) return; if ( !addToSelected ) ClearSelection(); m_selection->SelectCol(col); } void wxGrid::SelectBlock(int topRow, int leftCol, int bottomRow, int rightCol, bool addToSelected) { if ( !m_selection ) return; if ( !addToSelected ) ClearSelection(); m_selection->SelectBlock(topRow, leftCol, bottomRow, rightCol); } void wxGrid::SelectAll() { if ( m_numRows > 0 && m_numCols > 0 ) { if ( m_selection ) m_selection->SelectBlock( 0, 0, m_numRows - 1, m_numCols - 1 ); } } // ---------------------------------------------------------------------------- // cell, row and col deselection // ---------------------------------------------------------------------------- void wxGrid::DeselectLine(int line, const wxGridOperations& oper) { if ( !m_selection ) return; const wxGridSelectionModes mode = m_selection->GetSelectionMode(); if ( mode == oper.GetSelectionMode() || mode == wxGrid::wxGridSelectRowsOrColumns ) { const wxGridCellCoords c(oper.MakeCoords(line, 0)); if ( m_selection->IsInSelection(c) ) m_selection->ToggleCellSelection(c); } else if ( mode != oper.Dual().GetSelectionMode() ) { const int nOther = oper.Dual().GetNumberOfLines(this); for ( int i = 0; i < nOther; i++ ) { const wxGridCellCoords c(oper.MakeCoords(line, i)); if ( m_selection->IsInSelection(c) ) m_selection->ToggleCellSelection(c); } } //else: can only select orthogonal lines so no lines in this direction // could have been selected anyhow } void wxGrid::DeselectRow(int row) { DeselectLine(row, wxGridRowOperations()); } void wxGrid::DeselectCol(int col) { DeselectLine(col, wxGridColumnOperations()); } void wxGrid::DeselectCell( int row, int col ) { if ( m_selection && m_selection->IsInSelection(row, col) ) m_selection->ToggleCellSelection(row, col); } bool wxGrid::IsSelection() const { return ( m_selection && (m_selection->IsSelection() || ( m_selectedBlockTopLeft != wxGridNoCellCoords && m_selectedBlockBottomRight != wxGridNoCellCoords) ) ); } bool wxGrid::IsInSelection( int row, int col ) const { return ( m_selection && (m_selection->IsInSelection( row, col ) || ( row >= m_selectedBlockTopLeft.GetRow() && col >= m_selectedBlockTopLeft.GetCol() && row <= m_selectedBlockBottomRight.GetRow() && col <= m_selectedBlockBottomRight.GetCol() )) ); } wxGridCellCoordsArray wxGrid::GetSelectedCells() const { if (!m_selection) { wxGridCellCoordsArray a; return a; } return m_selection->m_cellSelection; } wxGridCellCoordsArray wxGrid::GetSelectionBlockTopLeft() const { if (!m_selection) { wxGridCellCoordsArray a; return a; } return m_selection->m_blockSelectionTopLeft; } wxGridCellCoordsArray wxGrid::GetSelectionBlockBottomRight() const { if (!m_selection) { wxGridCellCoordsArray a; return a; } return m_selection->m_blockSelectionBottomRight; } wxArrayInt wxGrid::GetSelectedRows() const { if (!m_selection) { wxArrayInt a; return a; } return m_selection->m_rowSelection; } wxArrayInt wxGrid::GetSelectedCols() const { if (!m_selection) { wxArrayInt a; return a; } return m_selection->m_colSelection; } void wxGrid::ClearSelection() { wxRect r1 = BlockToDeviceRect(m_selectedBlockTopLeft, m_selectedBlockBottomRight); wxRect r2 = BlockToDeviceRect(m_currentCellCoords, m_selectedBlockCorner); m_selectedBlockTopLeft = m_selectedBlockBottomRight = m_selectedBlockCorner = wxGridNoCellCoords; if ( !r1.IsEmpty() ) RefreshRect(r1, false); if ( !r2.IsEmpty() ) RefreshRect(r2, false); if ( m_selection ) m_selection->ClearSelection(); } // This function returns the rectangle that encloses the given block // in device coords clipped to the client size of the grid window. // wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords& topLeft, const wxGridCellCoords& bottomRight ) const { wxRect resultRect; wxRect tempCellRect = CellToRect(topLeft); if ( tempCellRect != wxGridNoCellRect ) { resultRect = tempCellRect; } else { resultRect = wxRect(0, 0, 0, 0); } tempCellRect = CellToRect(bottomRight); if ( tempCellRect != wxGridNoCellRect ) { resultRect += tempCellRect; } else { // If both inputs were "wxGridNoCellRect," then there's nothing to do. return wxGridNoCellRect; } // Ensure that left/right and top/bottom pairs are in order. int left = resultRect.GetLeft(); int top = resultRect.GetTop(); int right = resultRect.GetRight(); int bottom = resultRect.GetBottom(); int leftCol = topLeft.GetCol(); int topRow = topLeft.GetRow(); int rightCol = bottomRight.GetCol(); int bottomRow = bottomRight.GetRow(); if (left > right) { int tmp = left; left = right; right = tmp; tmp = leftCol; leftCol = rightCol; rightCol = tmp; } if (top > bottom) { int tmp = top; top = bottom; bottom = tmp; tmp = topRow; topRow = bottomRow; bottomRow = tmp; } // The following loop is ONLY necessary to detect and handle merged cells. int cw, ch; m_gridWin->GetClientSize( &cw, &ch ); // Get the origin coordinates: notice that they will be negative if the // grid is scrolled downwards/to the right. int gridOriginX = 0; int gridOriginY = 0; CalcScrolledPosition(gridOriginX, gridOriginY, &gridOriginX, &gridOriginY); int onScreenLeftmostCol = internalXToCol(-gridOriginX); int onScreenUppermostRow = internalYToRow(-gridOriginY); int onScreenRightmostCol = internalXToCol(-gridOriginX + cw); int onScreenBottommostRow = internalYToRow(-gridOriginY + ch); // Bound our loop so that we only examine the portion of the selected block // that is shown on screen. Therefore, we compare the Top-Left block values // to the Top-Left screen values, and the Bottom-Right block values to the // Bottom-Right screen values, choosing appropriately. const int visibleTopRow = wxMax(topRow, onScreenUppermostRow); const int visibleBottomRow = wxMin(bottomRow, onScreenBottommostRow); const int visibleLeftCol = wxMax(leftCol, onScreenLeftmostCol); const int visibleRightCol = wxMin(rightCol, onScreenRightmostCol); for ( int j = visibleTopRow; j <= visibleBottomRow; j++ ) { for ( int i = visibleLeftCol; i <= visibleRightCol; i++ ) { if ( (j == visibleTopRow) || (j == visibleBottomRow) || (i == visibleLeftCol) || (i == visibleRightCol) ) { tempCellRect = CellToRect( j, i ); if (tempCellRect.x < left) left = tempCellRect.x; if (tempCellRect.y < top) top = tempCellRect.y; if (tempCellRect.x + tempCellRect.width > right) right = tempCellRect.x + tempCellRect.width; if (tempCellRect.y + tempCellRect.height > bottom) bottom = tempCellRect.y + tempCellRect.height; } else { i = visibleRightCol; // jump over inner cells. } } } // Convert to scrolled coords CalcScrolledPosition( left, top, &left, &top ); CalcScrolledPosition( right, bottom, &right, &bottom ); if (right < 0 || bottom < 0 || left > cw || top > ch) return wxRect(0,0,0,0); resultRect.SetLeft( wxMax(0, left) ); resultRect.SetTop( wxMax(0, top) ); resultRect.SetRight( wxMin(cw, right) ); resultRect.SetBottom( wxMin(ch, bottom) ); return resultRect; } void wxGrid::DoSetSizes(const wxGridSizesInfo& sizeInfo, const wxGridOperations& oper) { BeginBatch(); oper.SetDefaultLineSize(this, sizeInfo.m_sizeDefault, true); const int numLines = oper.GetNumberOfLines(this); for ( int i = 0; i < numLines; i++ ) { int size = sizeInfo.GetSize(i); if ( size != sizeInfo.m_sizeDefault) oper.SetLineSize(this, i, size); } EndBatch(); } void wxGrid::SetColSizes(const wxGridSizesInfo& sizeInfo) { DoSetSizes(sizeInfo, wxGridColumnOperations()); } void wxGrid::SetRowSizes(const wxGridSizesInfo& sizeInfo) { DoSetSizes(sizeInfo, wxGridRowOperations()); } wxGridSizesInfo::wxGridSizesInfo(int defSize, const wxArrayInt& allSizes) { m_sizeDefault = defSize; for ( size_t i = 0; i < allSizes.size(); i++ ) { if ( allSizes[i] != defSize ) m_customSizes[i] = allSizes[i]; } } int wxGridSizesInfo::GetSize(unsigned pos) const { wxUnsignedToIntHashMap::const_iterator it = m_customSizes.find(pos); // if it's not found return the default if ( it == m_customSizes.end() ) return m_sizeDefault; // otherwise return 0 if it's hidden, currently there is no way to get // its size before it had been hidden if ( it->second < 0 ) return 0; return it->second; } // ---------------------------------------------------------------------------- // drop target // ---------------------------------------------------------------------------- #if wxUSE_DRAG_AND_DROP // this allow setting drop target directly on wxGrid void wxGrid::SetDropTarget(wxDropTarget *dropTarget) { GetGridWindow()->SetDropTarget(dropTarget); } #endif // wxUSE_DRAG_AND_DROP // ---------------------------------------------------------------------------- // grid event classes // ---------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxNotifyEvent ) wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj, int row, int col, int x, int y, bool sel, bool control, bool shift, bool alt, bool meta ) : wxNotifyEvent( type, id ), wxKeyboardState(control, shift, alt, meta) { Init(row, col, x, y, sel); SetEventObject(obj); } IMPLEMENT_DYNAMIC_CLASS( wxGridSizeEvent, wxNotifyEvent ) wxGridSizeEvent::wxGridSizeEvent( int id, wxEventType type, wxObject* obj, int rowOrCol, int x, int y, bool control, bool shift, bool alt, bool meta ) : wxNotifyEvent( type, id ), wxKeyboardState(control, shift, alt, meta) { Init(rowOrCol, x, y); SetEventObject(obj); } IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxNotifyEvent ) wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj, const wxGridCellCoords& topLeft, const wxGridCellCoords& bottomRight, bool sel, bool control, bool shift, bool alt, bool meta ) : wxNotifyEvent( type, id ), wxKeyboardState(control, shift, alt, meta) { Init(topLeft, bottomRight, sel); SetEventObject(obj); } IMPLEMENT_DYNAMIC_CLASS(wxGridEditorCreatedEvent, wxCommandEvent) wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type, wxObject* obj, int row, int col, wxControl* ctrl) : wxCommandEvent(type, id) { SetEventObject(obj); m_row = row; m_col = col; m_ctrl = ctrl; } // ---------------------------------------------------------------------------- // wxGridTypeRegistry // ---------------------------------------------------------------------------- wxGridTypeRegistry::~wxGridTypeRegistry() { size_t count = m_typeinfo.GetCount(); for ( size_t i = 0; i < count; i++ ) delete m_typeinfo[i]; } void wxGridTypeRegistry::RegisterDataType(const wxString& typeName, wxGridCellRenderer* renderer, wxGridCellEditor* editor) { wxGridDataTypeInfo* info = new wxGridDataTypeInfo(typeName, renderer, editor); // is it already registered? int loc = FindRegisteredDataType(typeName); if ( loc != wxNOT_FOUND ) { delete m_typeinfo[loc]; m_typeinfo[loc] = info; } else { m_typeinfo.Add(info); } } int wxGridTypeRegistry::FindRegisteredDataType(const wxString& typeName) { size_t count = m_typeinfo.GetCount(); for ( size_t i = 0; i < count; i++ ) { if ( typeName == m_typeinfo[i]->m_typeName ) { return i; } } return wxNOT_FOUND; } int wxGridTypeRegistry::FindDataType(const wxString& typeName) { int index = FindRegisteredDataType(typeName); if ( index == wxNOT_FOUND ) { // check whether this is one of the standard ones, in which case // register it "on the fly" #if wxUSE_TEXTCTRL if ( typeName == wxGRID_VALUE_STRING ) { RegisterDataType(wxGRID_VALUE_STRING, new wxGridCellStringRenderer, new wxGridCellTextEditor); } else #endif // wxUSE_TEXTCTRL #if wxUSE_CHECKBOX if ( typeName == wxGRID_VALUE_BOOL ) { RegisterDataType(wxGRID_VALUE_BOOL, new wxGridCellBoolRenderer, new wxGridCellBoolEditor); } else #endif // wxUSE_CHECKBOX #if wxUSE_TEXTCTRL if ( typeName == wxGRID_VALUE_NUMBER ) { RegisterDataType(wxGRID_VALUE_NUMBER, new wxGridCellNumberRenderer, new wxGridCellNumberEditor); } else if ( typeName == wxGRID_VALUE_FLOAT ) { RegisterDataType(wxGRID_VALUE_FLOAT, new wxGridCellFloatRenderer, new wxGridCellFloatEditor); } else #endif // wxUSE_TEXTCTRL #if wxUSE_COMBOBOX if ( typeName == wxGRID_VALUE_CHOICE ) { RegisterDataType(wxGRID_VALUE_CHOICE, new wxGridCellStringRenderer, new wxGridCellChoiceEditor); } else #endif // wxUSE_COMBOBOX { return wxNOT_FOUND; } // we get here only if just added the entry for this type, so return // the last index index = m_typeinfo.GetCount() - 1; } return index; } int wxGridTypeRegistry::FindOrCloneDataType(const wxString& typeName) { int index = FindDataType(typeName); if ( index == wxNOT_FOUND ) { // the first part of the typename is the "real" type, anything after ':' // are the parameters for the renderer index = FindDataType(typeName.BeforeFirst(wxT(':'))); if ( index == wxNOT_FOUND ) { return wxNOT_FOUND; } wxGridCellRenderer *renderer = GetRenderer(index); wxGridCellRenderer *rendererOld = renderer; renderer = renderer->Clone(); rendererOld->DecRef(); wxGridCellEditor *editor = GetEditor(index); wxGridCellEditor *editorOld = editor; editor = editor->Clone(); editorOld->DecRef(); // do it even if there are no parameters to reset them to defaults wxString params = typeName.AfterFirst(wxT(':')); renderer->SetParameters(params); editor->SetParameters(params); // register the new typename RegisterDataType(typeName, renderer, editor); // we just registered it, it's the last one index = m_typeinfo.GetCount() - 1; } return index; } wxGridCellRenderer* wxGridTypeRegistry::GetRenderer(int index) { wxGridCellRenderer* renderer = m_typeinfo[index]->m_renderer; if (renderer) renderer->IncRef(); return renderer; } wxGridCellEditor* wxGridTypeRegistry::GetEditor(int index) { wxGridCellEditor* editor = m_typeinfo[index]->m_editor; if (editor) editor->IncRef(); return editor; } #endif // wxUSE_GRID