/////////////////////////////////////////////////////////////////////////////// // Name: src/msw/menuitem.cpp // Purpose: wxMenuItem implementation // Author: Vadim Zeitlin // Modified by: // Created: 11.11.97 // Copyright: (c) 1998 Vadim Zeitlin // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // =========================================================================== // declarations // =========================================================================== // --------------------------------------------------------------------------- // headers // --------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif #if wxUSE_MENUS #include "wx/menuitem.h" #include "wx/stockitem.h" #ifndef WX_PRECOMP #include "wx/app.h" #include "wx/dcmemory.h" #include "wx/font.h" #include "wx/bitmap.h" #include "wx/settings.h" #include "wx/window.h" #include "wx/accel.h" #include "wx/string.h" #include "wx/log.h" #include "wx/menu.h" #endif #if wxUSE_ACCEL #include "wx/accel.h" #endif // wxUSE_ACCEL #include "wx/msw/private.h" #include "wx/msw/dc.h" #ifdef __WXWINCE__ // Implemented in menu.cpp UINT GetMenuState(HMENU hMenu, UINT id, UINT flags) ; #endif #if wxUSE_UXTHEME #include "wx/msw/uxtheme.h" #endif // --------------------------------------------------------------------------- // macro // --------------------------------------------------------------------------- // hide the ugly cast #define GetHMenuOf(menu) ((HMENU)menu->GetHMenu()) // ---------------------------------------------------------------------------- // helper classes for temporarily changing HDC parameters // ---------------------------------------------------------------------------- namespace { // This class just stores an HDC. class HDCHandler { protected: HDCHandler(HDC hdc) : m_hdc(hdc) { } const HDC m_hdc; }; class HDCTextColChanger : HDCHandler { public: HDCTextColChanger(HDC hdc, COLORREF col) : HDCHandler(hdc), m_colOld(::SetTextColor(hdc, col)) { } ~HDCTextColChanger() { ::SetTextColor(m_hdc, m_colOld); } private: COLORREF m_colOld; }; class HDCBgColChanger : HDCHandler { public: HDCBgColChanger(HDC hdc, COLORREF col) : HDCHandler(hdc), m_colOld(::SetBkColor(hdc, col)) { } ~HDCBgColChanger() { ::SetBkColor(m_hdc, m_colOld); } private: COLORREF m_colOld; }; class HDCBgModeChanger : HDCHandler { public: HDCBgModeChanger(HDC hdc, int mode) : HDCHandler(hdc), m_modeOld(::SetBkMode(hdc, mode)) { } ~HDCBgModeChanger() { ::SetBkMode(m_hdc, m_modeOld); } private: int m_modeOld; }; } // anonymous namespace // ============================================================================ // implementation // ============================================================================ #if wxUSE_OWNER_DRAWN #include "wx/fontutil.h" #include "wx/msw/private/metrics.h" #ifndef SPI_GETKEYBOARDCUES #define SPI_GETKEYBOARDCUES 0x100A #endif #if wxUSE_UXTHEME enum MENUPARTS { MENU_MENUITEM_TMSCHEMA = 1, MENU_SEPARATOR_TMSCHEMA = 6, MENU_POPUPBACKGROUND = 9, MENU_POPUPBORDERS = 10, MENU_POPUPCHECK = 11, MENU_POPUPCHECKBACKGROUND = 12, MENU_POPUPGUTTER = 13, MENU_POPUPITEM = 14, MENU_POPUPSEPARATOR = 15, MENU_POPUPSUBMENU = 16, }; enum POPUPITEMSTATES { MPI_NORMAL = 1, MPI_HOT = 2, MPI_DISABLED = 3, MPI_DISABLEDHOT = 4, }; enum POPUPCHECKBACKGROUNDSTATES { MCB_DISABLED = 1, MCB_NORMAL = 2, MCB_BITMAP = 3, }; enum POPUPCHECKSTATES { MC_CHECKMARKNORMAL = 1, MC_CHECKMARKDISABLED = 2, MC_BULLETNORMAL = 3, MC_BULLETDISABLED = 4, }; const int TMT_MENUFONT = 803; const int TMT_BORDERSIZE = 2403; const int TMT_CONTENTMARGINS = 3602; const int TMT_SIZINGMARGINS = 3601; #endif // wxUSE_UXTHEME #endif // wxUSE_OWNER_DRAWN // ---------------------------------------------------------------------------- // dynamic classes implementation // ---------------------------------------------------------------------------- // ---------------------------------------------------------------------------- // wxMenuItem // ---------------------------------------------------------------------------- #if wxUSE_OWNER_DRAWN namespace { // helper class to keep information about metrics and other stuff // needed for measuring and drawing menu item class MenuDrawData { public: // Wrapper around standard MARGINS structure providing some helper // functions and automatically initializing the margin fields to 0. struct Margins : MARGINS { Margins() { cxLeftWidth = cxRightWidth = cyTopHeight = cyBottomHeight = 0; } int GetTotalX() const { return cxLeftWidth + cxRightWidth; } int GetTotalY() const { return cyTopHeight + cyBottomHeight; } void ApplyTo(RECT& rect) const { rect.top += cyTopHeight; rect.left += cxLeftWidth; rect.right -= cyTopHeight; rect.bottom -= cyBottomHeight; } void UnapplyFrom(RECT& rect) const { rect.top -= cyTopHeight; rect.left -= cxLeftWidth; rect.right += cyTopHeight; rect.bottom += cyBottomHeight; } }; Margins ItemMargin; // popup item margins Margins CheckMargin; // popup check margins Margins CheckBgMargin; // popup check background margins Margins ArrowMargin; // popup submenu arrow margins Margins SeparatorMargin; // popup separator margins SIZE CheckSize; // popup check size metric SIZE ArrowSize; // popup submenu arrow size metric SIZE SeparatorSize; // popup separator size metric int TextBorder; // popup border space between // item text and gutter int AccelBorder; // popup border space between // item text and accelerator int ArrowBorder; // popup border space between // item accelerator and submenu arrow int Offset; // system added space at the end of the menu, // add this offset for remove the extra space wxFont Font; // default menu font bool AlwaysShowCues; // must keyboard cues always be shown? bool Theme; // is data initialized for FullTheme? static const MenuDrawData* Get() { // notice that s_menuData can't be created as a global variable because // it needs a window to initialize and no windows exist at the time of // globals initialization yet if ( !ms_instance ) { static MenuDrawData s_menuData; ms_instance = &s_menuData; } #if wxUSE_UXTHEME bool theme = MenuLayout() == FullTheme; if ( ms_instance->Theme != theme ) ms_instance->Init(); #endif // wxUSE_UXTHEME return ms_instance; } MenuDrawData() { Init(); } // get the theme engine or NULL if themes // are not available or not supported on menu static wxUxThemeEngine *GetUxThemeEngine() { #if wxUSE_UXTHEME if ( MenuLayout() == FullTheme ) return wxUxThemeEngine::GetIfActive(); #endif // wxUSE_UXTHEME return NULL; } enum MenuLayoutType { FullTheme, // full menu themes (Vista or new) PseudoTheme, // pseudo menu themes (on XP) Classic }; static MenuLayoutType MenuLayout() { MenuLayoutType menu = Classic; #if wxUSE_UXTHEME if ( wxUxThemeEngine::GetIfActive() != NULL ) { static wxWinVersion ver = wxGetWinVersion(); if ( ver >= wxWinVersion_Vista ) menu = FullTheme; else if ( ver == wxWinVersion_XP ) menu = PseudoTheme; } #endif // wxUSE_UXTHEME return menu; } private: void Init(); static MenuDrawData* ms_instance; }; MenuDrawData* MenuDrawData::ms_instance = NULL; void MenuDrawData::Init() { #if wxUSE_UXTHEME wxUxThemeEngine* theme = GetUxThemeEngine(); if ( theme ) { wxWindow* window = static_cast(wxApp::GetInstance())->GetTopWindow(); wxUxThemeHandle hTheme(window, L"MENU"); theme->GetThemeMargins(hTheme, NULL, MENU_POPUPITEM, 0, TMT_CONTENTMARGINS, NULL, &ItemMargin); theme->GetThemeMargins(hTheme, NULL, MENU_POPUPCHECK, 0, TMT_CONTENTMARGINS, NULL, &CheckMargin); theme->GetThemeMargins(hTheme, NULL, MENU_POPUPCHECKBACKGROUND, 0, TMT_CONTENTMARGINS, NULL, &CheckBgMargin); theme->GetThemeMargins(hTheme, NULL, MENU_POPUPSUBMENU, 0, TMT_CONTENTMARGINS, NULL, &ArrowMargin); theme->GetThemeMargins(hTheme, NULL, MENU_POPUPSEPARATOR, 0, TMT_SIZINGMARGINS, NULL, &SeparatorMargin); theme->GetThemePartSize(hTheme, NULL, MENU_POPUPCHECK, 0, NULL, TS_TRUE, &CheckSize); theme->GetThemePartSize(hTheme, NULL, MENU_POPUPSUBMENU, 0, NULL, TS_TRUE, &ArrowSize); theme->GetThemePartSize(hTheme, NULL, MENU_POPUPSEPARATOR, 0, NULL, TS_TRUE, &SeparatorSize); theme->GetThemeInt(hTheme, MENU_POPUPBACKGROUND, 0, TMT_BORDERSIZE, &TextBorder); AccelBorder = 34; ArrowBorder = 0; Offset = -14; wxUxThemeFont themeFont; theme->GetThemeSysFont(hTheme, TMT_MENUFONT, themeFont.GetPtr()); Font = wxFont(themeFont.GetLOGFONT()); Theme = true; // native menu doesn't uses the vertical margins ItemMargin.cyTopHeight = ItemMargin.cyBottomHeight = 0; // native menu uses small top margin for separator if ( SeparatorMargin.cyTopHeight >= 2 ) SeparatorMargin.cyTopHeight -= 2; } else #endif // wxUSE_UXTHEME { const NONCLIENTMETRICS& metrics = wxMSWImpl::GetNonClientMetrics(); CheckMargin.cxLeftWidth = CheckMargin.cxRightWidth = ::GetSystemMetrics(SM_CXEDGE); CheckMargin.cyTopHeight = CheckMargin.cyBottomHeight = ::GetSystemMetrics(SM_CYEDGE); CheckSize.cx = ::GetSystemMetrics(SM_CXMENUCHECK); CheckSize.cy = ::GetSystemMetrics(SM_CYMENUCHECK); ArrowSize = CheckSize; // separator height with margins int sepFullSize = metrics.iMenuHeight / 2; SeparatorMargin.cxLeftWidth = SeparatorMargin.cxRightWidth = 1; SeparatorMargin.cyTopHeight = SeparatorMargin.cyBottomHeight = sepFullSize / 2 - 1; SeparatorSize.cx = 1; SeparatorSize.cy = sepFullSize - SeparatorMargin.GetTotalY(); TextBorder = 0; AccelBorder = 8; ArrowBorder = 6; Offset = -12; Font = wxFont(wxNativeFontInfo(metrics.lfMenuFont)); Theme = false; } int value; if ( ::SystemParametersInfo(SPI_GETKEYBOARDCUES, 0, &value, 0) == 0 ) { // if it's not supported, we must be on an old Windows version // which always shows them value = 1; } AlwaysShowCues = value == 1; } } // anonymous namespace #endif // wxUSE_OWNER_DRAWN // ctor & dtor // ----------- wxMenuItem::wxMenuItem(wxMenu *pParentMenu, int id, const wxString& text, const wxString& strHelp, wxItemKind kind, wxMenu *pSubMenu) : wxMenuItemBase(pParentMenu, id, text, strHelp, kind, pSubMenu) { Init(); } #if WXWIN_COMPATIBILITY_2_8 wxMenuItem::wxMenuItem(wxMenu *parentMenu, int id, const wxString& text, const wxString& help, bool isCheckable, wxMenu *subMenu) : wxMenuItemBase(parentMenu, id, text, help, isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu) { Init(); } #endif void wxMenuItem::Init() { #if wxUSE_OWNER_DRAWN // when the color is not valid, wxOwnerDraw takes the default ones. // If we set the colors here and they are changed by the user during // the execution, then the colors are not updated until the application // is restarted and our menus look bad SetTextColour(wxNullColour); SetBackgroundColour(wxNullColour); // setting default colors switched ownerdraw on: switch it off again SetOwnerDrawn(false); // switch ownerdraw back on if using a non default margin if ( !IsSeparator() ) SetMarginWidth(GetMarginWidth()); #endif // wxUSE_OWNER_DRAWN } wxMenuItem::~wxMenuItem() { } // misc // ---- // return the id for calling Win32 API functions WXWPARAM wxMenuItem::GetMSWId() const { // we must use ids in unsigned short range with Windows functions, if we // pass ids > USHRT_MAX to them they get very confused (e.g. start // generating WM_COMMAND messages with negative high word of wParam), so // use the cast to ensure the id is in range return m_subMenu ? wxPtrToUInt(m_subMenu->GetHMenu()) : static_cast(GetId()); } // get item state // -------------- bool wxMenuItem::IsChecked() const { // fix that RTTI is always getting the correct state (separators cannot be // checked, but the Windows call below returns true if ( IsSeparator() ) return false; // the item might not be attached to a menu yet // // TODO: shouldn't we just always call the base class version? It seems // like it ought to always be in sync if ( !m_parentMenu ) return wxMenuItemBase::IsChecked(); HMENU hmenu = GetHMenuOf(m_parentMenu); int flag = ::GetMenuState(hmenu, GetMSWId(), MF_BYCOMMAND); return (flag & MF_CHECKED) != 0; } // change item state // ----------------- void wxMenuItem::Enable(bool enable) { if ( m_isEnabled == enable ) return; const int itemPos = MSGetMenuItemPos(); if ( itemPos != -1 ) { long rc = EnableMenuItem(GetHMenuOf(m_parentMenu), itemPos, MF_BYPOSITION | (enable ? MF_ENABLED : MF_GRAYED)); if ( rc == -1 ) { wxLogLastError(wxT("EnableMenuItem")); } } wxMenuItemBase::Enable(enable); } void wxMenuItem::Check(bool check) { wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") ); if ( m_isChecked == check ) return; if ( m_parentMenu ) { int flags = check ? MF_CHECKED : MF_UNCHECKED; HMENU hmenu = GetHMenuOf(m_parentMenu); if ( GetKind() == wxITEM_RADIO ) { // it doesn't make sense to uncheck a radio item -- what would this // do? if ( !check ) return; // get the index of this item in the menu const wxMenuItemList& items = m_parentMenu->GetMenuItems(); int pos = items.IndexOf(this); wxCHECK_RET( pos != wxNOT_FOUND, wxT("menuitem not found in the menu items list?") ); // get the radio group range int start, end; if ( !m_parentMenu->MSWGetRadioGroupRange(pos, &start, &end) ) { wxFAIL_MSG( wxT("Menu radio item not part of radio group?") ); return; } #ifdef __WIN32__ // calling CheckMenuRadioItem() with such parameters hangs my system // (NT4 SP6) and I suspect this could happen to the others as well, // so don't do it! wxCHECK_RET( start != -1 && end != -1, wxT("invalid ::CheckMenuRadioItem() parameter(s)") ); if ( !::CheckMenuRadioItem(hmenu, start, // the first radio group item end, // the last one pos, // the one to check MF_BYPOSITION) ) { wxLogLastError(wxT("CheckMenuRadioItem")); } #endif // __WIN32__ // also uncheck all the other items in this radio group wxMenuItemList::compatibility_iterator node = items.Item(start); for ( int n = start; n <= end && node; n++ ) { if ( n != pos ) { node->GetData()->m_isChecked = false; } node = node->GetNext(); } } else // check item { if ( ::CheckMenuItem(hmenu, GetMSWId(), MF_BYCOMMAND | flags) == (DWORD)-1 ) { wxFAIL_MSG(wxT("CheckMenuItem() failed, item not in the menu?")); } } } wxMenuItemBase::Check(check); } void wxMenuItem::SetItemLabel(const wxString& txt) { wxString text = txt; // don't do anything if label didn't change if ( m_text == txt ) return; // wxMenuItemBase will do stock ID checks wxMenuItemBase::SetItemLabel(text); // the item can be not attached to any menu yet and SetItemLabel() is still // valid to call in this case and should do nothing else if ( !m_parentMenu ) return; #if wxUSE_ACCEL m_parentMenu->UpdateAccel(this); #endif // wxUSE_ACCEL const int itemPos = MSGetMenuItemPos(); if ( itemPos == -1 ) return; HMENU hMenu = GetHMenuOf(m_parentMenu); // update the text of the native menu item WinStruct info; // surprisingly, calling SetMenuItemInfo() with just MIIM_STRING doesn't // work as it resets the menu bitmap, so we need to first get the old item // state and then modify it const bool isLaterThanWin95 = wxGetWinVersion() > wxWinVersion_95; info.fMask = MIIM_STATE | MIIM_ID | MIIM_SUBMENU | MIIM_CHECKMARKS | MIIM_DATA; if ( isLaterThanWin95 ) info.fMask |= MIIM_BITMAP | MIIM_FTYPE; else info.fMask |= MIIM_TYPE; if ( !::GetMenuItemInfo(hMenu, itemPos, TRUE, &info) ) { wxLogLastError(wxT("GetMenuItemInfo")); return; } #if wxUSE_OWNER_DRAWN // Don't set the text for the owner drawn items, they don't use it and even // though setting it doesn't seem to actually do any harm under Windows 7, // avoid doing this relatively nonsensical operation just in case it does // break something on other, past or future, Windows versions. // // Notice that we do need to call SetMenuItemInfo() even for the ownerdrawn // items however as otherwise their size wouldn't be recalculated as // WM_MEASUREITEM wouldn't be sent and this could result in display // problems if the length of the menu item changed significantly. // // Also notice that we shouldn't use our IsOwnerDrawn() because it can be // true because it was set by e.g. SetBitmap(), even if the item wasn't // made owner drawn at Windows level. if ( !(info.fState & MF_OWNERDRAW) ) #endif // wxUSE_OWNER_DRAWN { if ( isLaterThanWin95 ) info.fMask |= MIIM_STRING; //else: MIIM_TYPE already specified info.dwTypeData = wxMSW_CONV_LPTSTR(m_text); info.cch = m_text.length(); } if ( !::SetMenuItemInfo(hMenu, itemPos, TRUE, &info) ) { wxLogLastError(wxT("SetMenuItemInfo")); } } #if wxUSE_OWNER_DRAWN int wxMenuItem::MeasureAccelWidth() const { wxString accel = GetItemLabel().AfterFirst(wxT('\t')); wxMemoryDC dc; wxFont font; GetFontToUse(font); dc.SetFont(font); wxCoord w; dc.GetTextExtent(accel, &w, NULL); return w; } wxString wxMenuItem::GetName() const { return GetItemLabelText(); } bool wxMenuItem::OnMeasureItem(size_t *width, size_t *height) { const MenuDrawData* data = MenuDrawData::Get(); if ( IsOwnerDrawn() ) { *width = data->ItemMargin.GetTotalX(); *height = data->ItemMargin.GetTotalY(); if ( IsSeparator() ) { *width += data->SeparatorSize.cx + data->SeparatorMargin.GetTotalX(); *height += data->SeparatorSize.cy + data->SeparatorMargin.GetTotalY(); return true; } wxString str = GetName(); wxMemoryDC dc; wxFont font; GetFontToUse(font); dc.SetFont(font); wxCoord w, h; dc.GetTextExtent(str, &w, &h); *width = data->TextBorder + w + data->AccelBorder; *height = h; w = m_parentMenu->GetMaxAccelWidth(); if ( w > 0 ) *width += w + data->ArrowBorder; *width += data->Offset; *width += data->ArrowMargin.GetTotalX() + data->ArrowSize.cx; } else // don't draw the text, just the bitmap (if any) { *width = 0; *height = 0; } // bitmap if ( IsOwnerDrawn() ) { // width of menu icon with margins in ownerdrawn menu // if any bitmap is not set, the width of space reserved for icon // image is equal to the width of std check mark, // if bitmap is set, then the width is set to the width of the widest // bitmap in menu (GetMarginWidth()) unless std check mark is wider, // then it's is set to std mark's width int imgWidth = wxMax(GetMarginWidth(), data->CheckSize.cx) + data->CheckMargin.GetTotalX(); *width += imgWidth + data->CheckBgMargin.GetTotalX(); } if ( m_bmpChecked.IsOk() || m_bmpUnchecked.IsOk() ) { // get size of bitmap always return valid value (0 for invalid bitmap), // so we don't needed check if bitmap is valid ;) size_t heightBmp = wxMax(m_bmpChecked.GetHeight(), m_bmpUnchecked.GetHeight()); size_t widthBmp = wxMax(m_bmpChecked.GetWidth(), m_bmpUnchecked.GetWidth()); if ( IsOwnerDrawn() ) { heightBmp += data->CheckMargin.GetTotalY(); } else { // we must allocate enough space for the bitmap *width += widthBmp; } // Is BMP height larger than text height? if ( *height < heightBmp ) *height = heightBmp; } // make sure that this item is at least as tall as the system menu height const size_t menuHeight = data->CheckMargin.GetTotalY() + data->CheckSize.cy; if (*height < menuHeight) *height = menuHeight; return true; } bool wxMenuItem::OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction WXUNUSED(act), wxODStatus stat) { const MenuDrawData* data = MenuDrawData::Get(); wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl(); HDC hdc = GetHdcOf(*impl); RECT rect; wxCopyRectToRECT(rc, rect); int imgWidth = wxMax(GetMarginWidth(), data->CheckSize.cx); if ( IsOwnerDrawn() ) { // font and colors to use wxFont font; GetFontToUse(font); wxColour colText, colBack; GetColourToUse(stat, colText, colBack); // calculate metrics of item parts RECT rcSelection = rect; data->ItemMargin.ApplyTo(rcSelection); RECT rcSeparator = rcSelection; data->SeparatorMargin.ApplyTo(rcSeparator); RECT rcGutter = rcSelection; rcGutter.right = rcGutter.left + data->ItemMargin.cxLeftWidth + data->CheckBgMargin.cxLeftWidth + data->CheckMargin.cxLeftWidth + imgWidth + data->CheckMargin.cxRightWidth + data->CheckBgMargin.cxRightWidth; RECT rcText = rcSelection; rcText.left = rcGutter.right + data->TextBorder; // we draw the text label vertically centered, but this results in it // being 1px too low compared to native menus for some reason, fix it if ( data->MenuLayout() != MenuDrawData::FullTheme ) rcText.top--; #if wxUSE_UXTHEME // If a custom background colour is explicitly specified, we should use // it instead of the default theme background. wxUxThemeEngine* const theme = GetBackgroundColour().IsOk() ? NULL : MenuDrawData::GetUxThemeEngine(); if ( theme ) { POPUPITEMSTATES state; if ( stat & wxODDisabled ) { state = (stat & wxODSelected) ? MPI_DISABLEDHOT : MPI_DISABLED; } else if ( stat & wxODSelected ) { state = MPI_HOT; } else { state = MPI_NORMAL; } wxUxThemeHandle hTheme(GetMenu()->GetWindow(), L"MENU"); if ( theme->IsThemeBackgroundPartiallyTransparent(hTheme, MENU_POPUPITEM, state) ) { theme->DrawThemeBackground(hTheme, hdc, MENU_POPUPBACKGROUND, 0, &rect, NULL); } theme->DrawThemeBackground(hTheme, hdc, MENU_POPUPGUTTER, 0, &rcGutter, NULL); if ( IsSeparator() ) { rcSeparator.left = rcGutter.right; theme->DrawThemeBackground(hTheme, hdc, MENU_POPUPSEPARATOR, 0, &rcSeparator, NULL); return true; } theme->DrawThemeBackground(hTheme, hdc, MENU_POPUPITEM, state, &rcSelection, NULL); } else #endif // wxUSE_UXTHEME { if ( IsSeparator() ) { DrawEdge(hdc, &rcSeparator, EDGE_ETCHED, BF_TOP); return true; } AutoHBRUSH hbr(colBack.GetPixel()); SelectInHDC selBrush(hdc, hbr); ::FillRect(hdc, &rcSelection, hbr); } // draw text label // using native API because it recognizes '&' HDCTextColChanger changeTextCol(hdc, colText.GetPixel()); HDCBgColChanger changeBgCol(hdc, colBack.GetPixel()); HDCBgModeChanger changeBgMode(hdc, TRANSPARENT); SelectInHDC selFont(hdc, GetHfontOf(font)); // item text name without mnemonic for calculating size wxString text = GetName(); SIZE textSize; ::GetTextExtentPoint32(hdc, text.c_str(), text.length(), &textSize); // item text name with mnemonic text = GetItemLabel().BeforeFirst('\t'); int flags = DST_PREFIXTEXT; // themes menu is using specified color for disabled labels if ( data->MenuLayout() == MenuDrawData::Classic && (stat & wxODDisabled) && !(stat & wxODSelected) ) flags |= DSS_DISABLED; if ( (stat & wxODHidePrefix) && !data->AlwaysShowCues ) flags |= DSS_HIDEPREFIX; int x = rcText.left; int y = rcText.top + (rcText.bottom - rcText.top - textSize.cy) / 2; ::DrawState(hdc, NULL, NULL, wxMSW_CONV_LPARAM(text), text.length(), x, y, 0, 0, flags); // ::SetTextAlign(hdc, TA_RIGHT) doesn't work with DSS_DISABLED or DSS_MONO // as the last parameter in DrawState() (at least with Windows98). So we have // to take care of right alignment ourselves. wxString accel = GetItemLabel().AfterFirst(wxT('\t')); if ( !accel.empty() ) { SIZE accelSize; ::GetTextExtentPoint32(hdc, accel.c_str(), accel.length(), &accelSize); flags = DST_TEXT; // themes menu is using specified color for disabled labels if ( data->MenuLayout() == MenuDrawData::Classic && (stat & wxODDisabled) && !(stat & wxODSelected) ) flags |= DSS_DISABLED; x = rcText.right - data->ArrowMargin.GetTotalX() - data->ArrowSize.cx - data->ArrowBorder; // right align accel on FullTheme menu, left otherwise if ( data->MenuLayout() == MenuDrawData::FullTheme) x -= accelSize.cx; else x -= m_parentMenu->GetMaxAccelWidth(); y = rcText.top + (rcText.bottom - rcText.top - accelSize.cy) / 2; ::DrawState(hdc, NULL, NULL, wxMSW_CONV_LPARAM(accel), accel.length(), x, y, 0, 0, flags); } } // draw the bitmap RECT rcImg; SetRect(&rcImg, rect.left + data->ItemMargin.cxLeftWidth + data->CheckBgMargin.cxLeftWidth + data->CheckMargin.cxLeftWidth, rect.top + data->ItemMargin.cyTopHeight + data->CheckBgMargin.cyTopHeight + data->CheckMargin.cyTopHeight, rect.left + data->ItemMargin.cxLeftWidth + data->CheckBgMargin.cxLeftWidth + data->CheckMargin.cxLeftWidth + imgWidth, rect.bottom - data->ItemMargin.cyBottomHeight - data->CheckBgMargin.cyBottomHeight - data->CheckMargin.cyBottomHeight); if ( IsCheckable() && !m_bmpChecked.IsOk() ) { if ( stat & wxODChecked ) { DrawStdCheckMark((WXHDC)hdc, &rcImg, stat); } } else { wxBitmap bmp; if ( stat & wxODDisabled ) { bmp = GetDisabledBitmap(); } if ( !bmp.IsOk() ) { // for not checkable bitmaps we should always use unchecked one // because their checked bitmap is not set bmp = GetBitmap(!IsCheckable() || (stat & wxODChecked)); #if wxUSE_IMAGE if ( bmp.IsOk() && stat & wxODDisabled ) { // we need to grey out the bitmap as we don't have any specific // disabled bitmap wxImage imgGrey = bmp.ConvertToImage().ConvertToGreyscale(); if ( imgGrey.IsOk() ) bmp = wxBitmap(imgGrey); } #endif // wxUSE_IMAGE } if ( bmp.IsOk() ) { wxMemoryDC dcMem(&dc); dcMem.SelectObjectAsSource(bmp); // center bitmap int nBmpWidth = bmp.GetWidth(), nBmpHeight = bmp.GetHeight(); int x = rcImg.left + (imgWidth - nBmpWidth) / 2; int y = rcImg.top + (rcImg.bottom - rcImg.top - nBmpHeight) / 2; dc.Blit(x, y, nBmpWidth, nBmpHeight, &dcMem, 0, 0, wxCOPY, true); } } return true; } namespace { // helper function for draw coloured check mark void DrawColorCheckMark(HDC hdc, int x, int y, int cx, int cy, HDC hdcCheckMask, int idxColor) { const COLORREF colBlack = RGB(0, 0, 0); const COLORREF colWhite = RGB(255, 255, 255); HDCTextColChanger changeTextCol(hdc, colBlack); HDCBgColChanger changeBgCol(hdc, colWhite); HDCBgModeChanger changeBgMode(hdc, TRANSPARENT); // memory DC for color bitmap MemoryHDC hdcMem(hdc); CompatibleBitmap hbmpMem(hdc, cx, cy); SelectInHDC selMem(hdcMem, hbmpMem); RECT rect = { 0, 0, cx, cy }; ::FillRect(hdcMem, &rect, ::GetSysColorBrush(idxColor)); const COLORREF colCheck = ::GetSysColor(idxColor); if ( colCheck == colWhite ) { ::BitBlt(hdc, x, y, cx, cy, hdcCheckMask, 0, 0, MERGEPAINT); ::BitBlt(hdc, x, y, cx, cy, hdcMem, 0, 0, SRCAND); } else { if ( colCheck != colBlack ) { const DWORD ROP_DSna = 0x00220326; // dest = (NOT src) AND dest ::BitBlt(hdcMem, 0, 0, cx, cy, hdcCheckMask, 0, 0, ROP_DSna); } ::BitBlt(hdc, x, y, cx, cy, hdcCheckMask, 0, 0, SRCAND); ::BitBlt(hdc, x, y, cx, cy, hdcMem, 0, 0, SRCPAINT); } } } // anonymous namespace void wxMenuItem::DrawStdCheckMark(WXHDC hdc_, const RECT* rc, wxODStatus stat) { HDC hdc = (HDC)hdc_; #if wxUSE_UXTHEME wxUxThemeEngine* theme = MenuDrawData::GetUxThemeEngine(); if ( theme ) { wxUxThemeHandle hTheme(GetMenu()->GetWindow(), L"MENU"); const MenuDrawData* data = MenuDrawData::Get(); // rect for background must be without check margins RECT rcBg = *rc; data->CheckMargin.UnapplyFrom(rcBg); POPUPCHECKBACKGROUNDSTATES stateCheckBg = (stat & wxODDisabled) ? MCB_DISABLED : MCB_NORMAL; theme->DrawThemeBackground(hTheme, hdc, MENU_POPUPCHECKBACKGROUND, stateCheckBg, &rcBg, NULL); POPUPCHECKSTATES stateCheck; if ( GetKind() == wxITEM_CHECK ) { stateCheck = (stat & wxODDisabled) ? MC_CHECKMARKDISABLED : MC_CHECKMARKNORMAL; } else { stateCheck = (stat & wxODDisabled) ? MC_BULLETDISABLED : MC_BULLETNORMAL; } theme->DrawThemeBackground(hTheme, hdc, MENU_POPUPCHECK, stateCheck, rc, NULL); } else #endif // wxUSE_UXTHEME { int cx = rc->right - rc->left; int cy = rc->bottom - rc->top; // first create mask of check mark MemoryHDC hdcMask(hdc); MonoBitmap hbmpMask(cx, cy); SelectInHDC selMask(hdcMask,hbmpMask); // then draw a check mark into it UINT stateCheck = (GetKind() == wxITEM_CHECK) ? DFCS_MENUCHECK : DFCS_MENUBULLET; RECT rect = { 0, 0, cx, cy }; ::DrawFrameControl(hdcMask, &rect, DFC_MENU, stateCheck); // first draw shadow if disabled if ( (stat & wxODDisabled) && !(stat & wxODSelected) ) { DrawColorCheckMark(hdc, rc->left + 1, rc->top + 1, cx, cy, hdcMask, COLOR_3DHILIGHT); } // then draw a check mark int color = COLOR_MENUTEXT; if ( stat & wxODDisabled ) color = COLOR_BTNSHADOW; else if ( stat & wxODSelected ) color = COLOR_HIGHLIGHTTEXT; DrawColorCheckMark(hdc, rc->left, rc->top, cx, cy, hdcMask, color); } } void wxMenuItem::GetFontToUse(wxFont& font) const { font = GetFont(); if ( !font.IsOk() ) font = MenuDrawData::Get()->Font; } void wxMenuItem::GetColourToUse(wxODStatus stat, wxColour& colText, wxColour& colBack) const { #if wxUSE_UXTHEME wxUxThemeEngine* theme = MenuDrawData::GetUxThemeEngine(); if ( theme ) { wxUxThemeHandle hTheme(GetMenu()->GetWindow(), L"MENU"); if ( stat & wxODDisabled) { wxRGBToColour(colText, theme->GetThemeSysColor(hTheme, COLOR_GRAYTEXT)); } else { colText = GetTextColour(); if ( !colText.IsOk() ) wxRGBToColour(colText, theme->GetThemeSysColor(hTheme, COLOR_MENUTEXT)); } if ( stat & wxODSelected ) { wxRGBToColour(colBack, theme->GetThemeSysColor(hTheme, COLOR_HIGHLIGHT)); } else { colBack = GetBackgroundColour(); if ( !colBack.IsOk() ) wxRGBToColour(colBack, theme->GetThemeSysColor(hTheme, COLOR_MENU)); } } else #endif // wxUSE_UXTHEME { wxOwnerDrawn::GetColourToUse(stat, colText, colBack); } } #endif // wxUSE_OWNER_DRAWN int wxMenuItem::MSGetMenuItemPos() const { if ( !m_parentMenu ) return -1; const HMENU hMenu = GetHMenuOf(m_parentMenu); if ( !hMenu ) return -1; const UINT id = GetMSWId(); const int menuItems = ::GetMenuItemCount(hMenu); for ( int i = 0; i < menuItems; i++ ) { const UINT state = ::GetMenuState(hMenu, i, MF_BYPOSITION); if ( state == (UINT)-1 ) { // This indicates that the item at this position and is not // supposed to happen here, but test for it just in case. continue; } if ( state & MF_POPUP ) { if ( ::GetSubMenu(hMenu, i) == (HMENU)wxUIntToPtr(id) ) return i; } else if ( !(state & MF_SEPARATOR) ) { if ( ::GetMenuItemID(hMenu, i) == id ) return i; } } return -1; } // ---------------------------------------------------------------------------- // wxMenuItemBase // ---------------------------------------------------------------------------- wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu, int id, const wxString& name, const wxString& help, wxItemKind kind, wxMenu *subMenu) { return new wxMenuItem(parentMenu, id, name, help, kind, subMenu); } #endif // wxUSE_MENUS