///////////////////////////////////////////////////////////////////////////// // Name: src/gtk/textctrl.cpp // Purpose: // Author: Robert Roebling // Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin, 2005 Mart Raudsepp // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #if wxUSE_TEXTCTRL #include "wx/textctrl.h" #ifndef WX_PRECOMP #include "wx/intl.h" #include "wx/log.h" #include "wx/utils.h" #include "wx/settings.h" #include "wx/math.h" #endif #include "wx/scopeguard.h" #include "wx/strconv.h" #include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo()) #include #include #include #include #include "wx/gtk/private.h" #include "wx/gtk/private/gtk2-compat.h" // ---------------------------------------------------------------------------- // helpers // ---------------------------------------------------------------------------- extern "C" { static void wxGtkOnRemoveTag(GtkTextBuffer *buffer, GtkTextTag *tag, GtkTextIter * WXUNUSED(start), GtkTextIter * WXUNUSED(end), char *prefix) { gchar *name; g_object_get (tag, "name", &name, NULL); if (!name || strncmp(name, prefix, strlen(prefix))) // anonymous tag or not starting with prefix - don't remove g_signal_stop_emission_by_name (buffer, "remove_tag"); g_free(name); } } // remove all tags starting with the given prefix from the start..end range static void wxGtkTextRemoveTagsWithPrefix(GtkTextBuffer *text_buffer, const char *prefix, GtkTextIter *start, GtkTextIter *end) { gulong remove_handler_id = g_signal_connect ( text_buffer, "remove_tag", G_CALLBACK(wxGtkOnRemoveTag), gpointer(prefix) ); gtk_text_buffer_remove_all_tags(text_buffer, start, end); g_signal_handler_disconnect(text_buffer, remove_handler_id); } static void wxGtkTextApplyTagsFromAttr(GtkWidget *text, GtkTextBuffer *text_buffer, const wxTextAttr& attr, GtkTextIter *start, GtkTextIter *end) { static gchar buf[1024]; GtkTextTag *tag; if (attr.HasFont()) { wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFONT", start, end); wxFont font(attr.GetFont()); PangoFontDescription *font_description = font.GetNativeFontInfo()->description; wxGtkString font_string(pango_font_description_to_string(font_description)); g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str()); tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), buf ); if (!tag) tag = gtk_text_buffer_create_tag( text_buffer, buf, "font-desc", font_description, NULL ); gtk_text_buffer_apply_tag (text_buffer, tag, start, end); if (font.GetUnderlined()) { g_snprintf(buf, sizeof(buf), "WXFONTUNDERLINE"); tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), buf ); if (!tag) tag = gtk_text_buffer_create_tag( text_buffer, buf, "underline-set", TRUE, "underline", PANGO_UNDERLINE_SINGLE, NULL ); gtk_text_buffer_apply_tag (text_buffer, tag, start, end); } if ( font.GetStrikethrough() ) { g_snprintf(buf, sizeof(buf), "WXFONTSTRIKETHROUGH"); tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), buf ); if (!tag) tag = gtk_text_buffer_create_tag( text_buffer, buf, "strikethrough-set", TRUE, "strikethrough", TRUE, NULL ); gtk_text_buffer_apply_tag (text_buffer, tag, start, end); } } if (attr.HasTextColour()) { wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFORECOLOR", start, end); const GdkColor *colFg = attr.GetTextColour().GetColor(); g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d", colFg->red, colFg->green, colFg->blue); tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), buf ); if (!tag) tag = gtk_text_buffer_create_tag( text_buffer, buf, "foreground-gdk", colFg, NULL ); gtk_text_buffer_apply_tag (text_buffer, tag, start, end); } if (attr.HasBackgroundColour()) { wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXBACKCOLOR", start, end); const GdkColor *colBg = attr.GetBackgroundColour().GetColor(); g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d", colBg->red, colBg->green, colBg->blue); tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), buf ); if (!tag) tag = gtk_text_buffer_create_tag( text_buffer, buf, "background-gdk", colBg, NULL ); gtk_text_buffer_apply_tag (text_buffer, tag, start, end); } if (attr.HasAlignment()) { GtkTextIter para_start, para_end = *end; gtk_text_buffer_get_iter_at_line( text_buffer, ¶_start, gtk_text_iter_get_line(start) ); gtk_text_iter_forward_line(¶_end); wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXALIGNMENT", ¶_start, ¶_end); GtkJustification align; switch (attr.GetAlignment()) { case wxTEXT_ALIGNMENT_RIGHT: align = GTK_JUSTIFY_RIGHT; break; case wxTEXT_ALIGNMENT_CENTER: align = GTK_JUSTIFY_CENTER; break; case wxTEXT_ALIGNMENT_JUSTIFIED: #ifdef __WXGTK3__ align = GTK_JUSTIFY_FILL; break; #elif GTK_CHECK_VERSION(2,11,0) // gtk+ doesn't support justify before gtk+-2.11.0 with pango-1.17 being available // (but if new enough pango isn't available it's a mere gtk warning) if (!gtk_check_version(2,11,0)) { align = GTK_JUSTIFY_FILL; break; } // fallthrough #endif default: align = GTK_JUSTIFY_LEFT; break; } g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align); tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), buf ); if (!tag) tag = gtk_text_buffer_create_tag( text_buffer, buf, "justification", align, NULL ); gtk_text_buffer_apply_tag( text_buffer, tag, ¶_start, ¶_end ); } if (attr.HasLeftIndent()) { // Indentation attribute // Clear old indentation tags GtkTextIter para_start, para_end = *end; gtk_text_buffer_get_iter_at_line( text_buffer, ¶_start, gtk_text_iter_get_line(start) ); gtk_text_iter_forward_line(¶_end); wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", ¶_start, ¶_end); // Convert indent from 1/10th of a mm into pixels float factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) / gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10; const int indent = (int)(factor * attr.GetLeftIndent()); const int subIndent = (int)(factor * attr.GetLeftSubIndent()); gint gindent; gint gsubindent; if (subIndent >= 0) { gindent = indent; gsubindent = -subIndent; } else { gindent = -subIndent; gsubindent = indent; } g_snprintf(buf, sizeof(buf), "WXINDENT %d %d", gindent, gsubindent); tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), buf ); if (!tag) tag = gtk_text_buffer_create_tag( text_buffer, buf, "left-margin", gindent, "indent", gsubindent, NULL ); gtk_text_buffer_apply_tag (text_buffer, tag, ¶_start, ¶_end); } if (attr.HasTabs()) { // Set tab stops // Clear old tabs GtkTextIter para_start, para_end = *end; gtk_text_buffer_get_iter_at_line( text_buffer, ¶_start, gtk_text_iter_get_line(start) ); gtk_text_iter_forward_line(¶_end); wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", ¶_start, ¶_end); const wxArrayInt& tabs = attr.GetTabs(); wxString tagname = wxT("WXTABS"); g_snprintf(buf, sizeof(buf), "WXTABS"); for (size_t i = 0; i < tabs.GetCount(); i++) tagname += wxString::Format(wxT(" %d"), tabs[i]); const wxWX2MBbuf buftag = tagname.utf8_str(); tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), buftag ); if (!tag) { // Factor to convert from 1/10th of a mm into pixels float factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) / gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10; PangoTabArray* tabArray = pango_tab_array_new(tabs.GetCount(), TRUE); for (size_t i = 0; i < tabs.GetCount(); i++) pango_tab_array_set_tab(tabArray, i, PANGO_TAB_LEFT, (gint)(tabs[i] * factor)); tag = gtk_text_buffer_create_tag( text_buffer, buftag, "tabs", tabArray, NULL ); pango_tab_array_free(tabArray); } gtk_text_buffer_apply_tag (text_buffer, tag, ¶_start, ¶_end); } } static void wxGtkTextInsert(GtkWidget *text, GtkTextBuffer *text_buffer, const wxTextAttr& attr, const wxCharBuffer& buffer) { gint start_offset; GtkTextIter iter, start; gtk_text_buffer_get_iter_at_mark( text_buffer, &iter, gtk_text_buffer_get_insert (text_buffer) ); start_offset = gtk_text_iter_get_offset (&iter); gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) ); gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset); wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter); } // Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp, extern "C" { static void au_apply_tag_callback(GtkTextBuffer *buffer, GtkTextTag *tag, GtkTextIter * WXUNUSED(start), GtkTextIter * WXUNUSED(end), gpointer WXUNUSED(textctrl)) { if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl")) g_signal_stop_emission_by_name (buffer, "apply_tag"); } } //----------------------------------------------------------------------------- // GtkTextCharPredicates for gtk_text_iter_*_find_char //----------------------------------------------------------------------------- extern "C" { static gboolean pred_whitespace(gunichar ch, gpointer WXUNUSED(user_data)) { return g_unichar_isspace(ch); } } extern "C" { static gboolean pred_non_whitespace (gunichar ch, gpointer WXUNUSED(user_data)) { return !g_unichar_isspace(ch); } } extern "C" { static gboolean pred_nonpunct (gunichar ch, gpointer WXUNUSED(user_data)) { return !g_unichar_ispunct(ch); } } extern "C" { static gboolean pred_nonpunct_or_slash (gunichar ch, gpointer WXUNUSED(user_data)) { return !g_unichar_ispunct(ch) || ch == '/'; } } //----------------------------------------------------------------------------- // Check for links between s and e and correct tags as necessary //----------------------------------------------------------------------------- // This function should be made match better while being efficient at one point. // Most probably with a row of regular expressions. extern "C" { static void au_check_word( GtkTextIter *s, GtkTextIter *e ) { static const char *const URIPrefixes[] = { "http://", "ftp://", "www.", "ftp.", "mailto://", "https://", "file://", "nntp://", "news://", "telnet://", "mms://", "gopher://", "prospero://", "wais://", }; GtkTextIter start = *s, end = *e; GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s); // Get our special link tag GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"); // Get rid of punctuation from beginning and end. // Might want to move this to au_check_range if an improved link checking doesn't // use some intelligent punctuation checking itself (beware of undesired iter modifications). if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) ) gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e ); gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start ); gtk_text_iter_forward_char(&end); wxGtkString text(gtk_text_iter_get_text( &start, &end )); size_t len = strlen(text), prefix_len; size_t n; for( n = 0; n < WXSIZEOF(URIPrefixes); ++n ) { prefix_len = strlen(URIPrefixes[n]); if((len > prefix_len) && !wxStrnicmp(text, URIPrefixes[n], prefix_len)) break; } if(n < WXSIZEOF(URIPrefixes)) { gulong signal_id = g_signal_handler_find (buffer, (GSignalMatchType) (G_SIGNAL_MATCH_FUNC), 0, 0, NULL, (gpointer)au_apply_tag_callback, NULL); g_signal_handler_block (buffer, signal_id); gtk_text_buffer_apply_tag(buffer, tag, &start, &end); g_signal_handler_unblock (buffer, signal_id); } } } extern "C" { static void au_check_range(GtkTextIter *s, GtkTextIter *range_end) { GtkTextIter range_start = *s; GtkTextIter word_end; GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s); GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"); gtk_text_buffer_remove_tag(buffer, tag, s, range_end); if(g_unichar_isspace(gtk_text_iter_get_char(&range_start))) gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end); while(!gtk_text_iter_equal(&range_start, range_end)) { word_end = range_start; gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end); // Now we should have a word delimited by range_start and word_end, correct link tags au_check_word(&range_start, &word_end); range_start = word_end; gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end); } } } //----------------------------------------------------------------------------- // "insert-text" for GtkTextBuffer //----------------------------------------------------------------------------- extern "C" { // Normal version used for detecting IME input and generating appropriate // events for it. void wx_insert_text_callback(GtkTextBuffer* buffer, GtkTextIter* WXUNUSED(end), gchar *text, gint WXUNUSED(len), wxTextCtrl *win) { if ( win->GTKOnInsertText(text) ) { // If we already handled the new text insertion, don't do it again. g_signal_stop_emission_by_name (buffer, "insert_text"); } } // And an "after" version used for detecting URLs in the text. static void au_insert_text_callback(GtkTextBuffer * WXUNUSED(buffer), GtkTextIter *end, gchar *text, gint len, wxTextCtrl *win) { if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) ) return; GtkTextIter start = *end; gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len)); GtkTextIter line_start = start; GtkTextIter line_end = *end; GtkTextIter words_start = start; GtkTextIter words_end = *end; gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start)); gtk_text_iter_forward_to_line_end(&line_end); gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start); gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end); au_check_range(&words_start, &words_end); } } //----------------------------------------------------------------------------- // "delete-range" for GtkTextBuffer //----------------------------------------------------------------------------- extern "C" { static void au_delete_range_callback(GtkTextBuffer * WXUNUSED(buffer), GtkTextIter *start, GtkTextIter *end, wxTextCtrl *win) { if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) ) return; GtkTextIter line_start = *start, line_end = *end; gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start)); gtk_text_iter_forward_to_line_end(&line_end); gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start); gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end); au_check_range(start, end); } } //----------------------------------------------------------------------------- // "populate_popup" from text control and "unmap" from its poup menu //----------------------------------------------------------------------------- extern "C" { static void gtk_textctrl_popup_unmap( GtkMenu *WXUNUSED(menu), wxTextCtrl* win ) { win->GTKEnableFocusOutEvent(); } } extern "C" { static void gtk_textctrl_populate_popup( GtkEntry *WXUNUSED(entry), GtkMenu *menu, wxTextCtrl *win ) { win->GTKDisableFocusOutEvent(); g_signal_connect (menu, "unmap", G_CALLBACK (gtk_textctrl_popup_unmap), win ); } } //----------------------------------------------------------------------------- // "changed" //----------------------------------------------------------------------------- extern "C" { static void gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) { if ( win->IgnoreTextUpdate() ) return; if ( win->MarkDirtyOnChange() ) win->MarkDirty(); win->SendTextUpdatedEvent(); } } //----------------------------------------------------------------------------- // "mark_set" //----------------------------------------------------------------------------- extern "C" { static void mark_set(GtkTextBuffer*, GtkTextIter*, GtkTextMark* mark, GSList** markList) { if (gtk_text_mark_get_name(mark) == NULL) *markList = g_slist_prepend(*markList, mark); } } #ifdef __WXGTK3__ //----------------------------------------------------------------------------- // "state_flags_changed" //----------------------------------------------------------------------------- extern "C" { static void state_flags_changed(GtkWidget*, GtkStateFlags, wxTextCtrl* win) { // restore non-default cursor, if any win->GTKUpdateCursor(false, true); } } #endif // __WXGTK3__ //----------------------------------------------------------------------------- // wxTextCtrl //----------------------------------------------------------------------------- BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase) EVT_CHAR(wxTextCtrl::OnChar) EVT_MENU(wxID_CUT, wxTextCtrl::OnCut) EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy) EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste) EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo) EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo) EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut) EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy) EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) // wxTE_AUTO_URL wxTextUrl support. Currently only creates // wxTextUrlEvent in the same cases as wxMSW, more can be added here. EVT_MOTION (wxTextCtrl::OnUrlMouseEvent) EVT_LEFT_DOWN (wxTextCtrl::OnUrlMouseEvent) EVT_LEFT_UP (wxTextCtrl::OnUrlMouseEvent) EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent) EVT_RIGHT_DOWN (wxTextCtrl::OnUrlMouseEvent) EVT_RIGHT_UP (wxTextCtrl::OnUrlMouseEvent) EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent) END_EVENT_TABLE() void wxTextCtrl::Init() { m_dontMarkDirty = m_modified = false; m_countUpdatesToIgnore = 0; SetUpdateFont(false); m_text = NULL; m_buffer = NULL; m_showPositionOnThaw = NULL; m_anonymousMarkList = NULL; } wxTextCtrl::~wxTextCtrl() { if (m_text) GTKDisconnect(m_text); if (m_buffer) GTKDisconnect(m_buffer); // this is also done by wxWindowGTK dtor, but has to be done here so our // DoThaw() override is called while (IsFrozen()) Thaw(); if (m_anonymousMarkList) g_slist_free(m_anonymousMarkList); } wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value, const wxPoint &pos, const wxSize &size, long style, const wxValidator& validator, const wxString &name ) { Init(); Create( parent, id, value, pos, size, style, validator, name ); } bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value, const wxPoint &pos, const wxSize &size, long style, const wxValidator& validator, const wxString &name ) { if (!PreCreation( parent, pos, size ) || !CreateBase( parent, id, pos, size, style, validator, name )) { wxFAIL_MSG( wxT("wxTextCtrl creation failed") ); return false; } bool multi_line = (style & wxTE_MULTILINE) != 0; if (multi_line) { m_buffer = gtk_text_buffer_new(NULL); gulong sig_id = g_signal_connect(m_buffer, "mark_set", G_CALLBACK(mark_set), &m_anonymousMarkList); // Create view m_text = gtk_text_view_new_with_buffer(m_buffer); GTKConnectFreezeWidget(m_text); // gtk_text_view_set_buffer adds its own reference g_object_unref(m_buffer); g_signal_handler_disconnect(m_buffer, sig_id); // create "ShowPosition" marker GtkTextIter iter; gtk_text_buffer_get_start_iter(m_buffer, &iter); gtk_text_buffer_create_mark(m_buffer, "ShowPosition", &iter, true); // create scrolled window m_widget = gtk_scrolled_window_new( NULL, NULL ); gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ), GTK_POLICY_AUTOMATIC, style & wxTE_NO_VSCROLL ? GTK_POLICY_NEVER : GTK_POLICY_AUTOMATIC ); // for ScrollLines/Pages m_scrollBar[1] = GTK_RANGE(gtk_scrolled_window_get_vscrollbar(GTK_SCROLLED_WINDOW(m_widget))); // Insert view into scrolled window gtk_container_add( GTK_CONTAINER(m_widget), m_text ); GTKSetWrapMode(); GTKScrolledWindowSetBorder(m_widget, style); gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK ); gtk_widget_set_can_focus(m_widget, FALSE); } else { // a single-line text control: no need for scrollbars m_widget = m_text = gtk_entry_new(); // Set a minimal width for preferred size to avoid GTK3 debug warnings // about size allocations smaller than preferred size gtk_entry_set_width_chars((GtkEntry*)m_text, 1); // work around probable bug in GTK+ 2.18 when calling WriteText on a // new, empty control, see http://trac.wxwidgets.org/ticket/11409 gtk_entry_get_text((GtkEntry*)m_text); if (style & wxNO_BORDER) g_object_set (m_text, "has-frame", FALSE, NULL); } g_object_ref(m_widget); m_parent->DoAddChild( this ); m_focusWidget = m_text; PostCreation(size); if (multi_line) { gtk_widget_show(m_text); } // We want to be notified about text changes. if (multi_line) { g_signal_connect (m_buffer, "changed", G_CALLBACK (gtk_text_changed_callback), this); } else { g_signal_connect (m_text, "changed", G_CALLBACK (gtk_text_changed_callback), this); } // Catch to disable focus out handling g_signal_connect (m_text, "populate_popup", G_CALLBACK (gtk_textctrl_populate_popup), this); if (!value.empty()) { SetValue( value ); } if (style & wxTE_PASSWORD) GTKSetVisibility(); if (style & wxTE_READONLY) GTKSetEditable(); // left justification (alignment) is the default anyhow if ( style & (wxTE_RIGHT | wxTE_CENTRE) ) GTKSetJustification(); if (multi_line) { // Handle URLs on multi-line controls with wxTE_AUTO_URL style if (style & wxTE_AUTO_URL) { GtkTextIter start, end; // We create our wxUrl tag here for slight efficiency gain - we // don't have to check for the tag existence in callbacks, // hereby it's guaranteed to exist. gtk_text_buffer_create_tag(m_buffer, "wxUrl", "foreground", "blue", "underline", PANGO_UNDERLINE_SINGLE, NULL); // Check for URLs after each text change g_signal_connect_after (m_buffer, "insert_text", G_CALLBACK (au_insert_text_callback), this); g_signal_connect_after (m_buffer, "delete_range", G_CALLBACK (au_delete_range_callback), this); // Block all wxUrl tag applying unless we do it ourselves, in which case we // block this callback temporarily. This takes care of gtk+ internal // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise, // which is undesired because only a part of the URL might be copied. // The insert-text signal emitted inside it will take care of newly formed // or wholly copied URLs. g_signal_connect (m_buffer, "apply_tag", G_CALLBACK (au_apply_tag_callback), NULL); // Check for URLs in the initial string passed to Create gtk_text_buffer_get_start_iter(m_buffer, &start); gtk_text_buffer_get_end_iter(m_buffer, &end); au_check_range(&start, &end); } // Also connect a normal (not "after") signal handler for checking for // the IME-generated input. g_signal_connect(m_buffer, "insert_text", G_CALLBACK(wx_insert_text_callback), this); } else // single line { // do the right thing with Enter presses depending on whether we have // wxTE_PROCESS_ENTER or not GTKSetActivatesDefault(); GTKConnectInsertTextSignal(GTK_ENTRY(m_text)); } GTKConnectClipboardSignals(m_text); #ifdef __WXGTK3__ g_signal_connect(m_text, "state_flags_changed", G_CALLBACK(state_flags_changed), this); #endif return true; } GtkEditable *wxTextCtrl::GetEditable() const { wxCHECK_MSG( IsSingleLine(), NULL, "shouldn't be called for multiline" ); return GTK_EDITABLE(m_text); } GtkEntry *wxTextCtrl::GetEntry() const { return GTK_ENTRY(m_text); } int wxTextCtrl::GTKIMFilterKeypress(GdkEventKey* event) const { if (IsSingleLine()) return wxTextEntry::GTKIMFilterKeypress(event); int result; #if GTK_CHECK_VERSION(2, 22, 0) #ifndef __WXGTK3__ result = false; if (gtk_check_version(2,22,0) == NULL) #endif { result = gtk_text_view_im_context_filter_keypress(GTK_TEXT_VIEW(m_text), event); } #else // GTK+ < 2.22 wxUnusedVar(event); result = false; #endif // GTK+ 2.22+ return result; } // ---------------------------------------------------------------------------- // flags handling // ---------------------------------------------------------------------------- void wxTextCtrl::GTKSetEditable() { gboolean editable = !HasFlag(wxTE_READONLY); if ( IsSingleLine() ) gtk_editable_set_editable(GTK_EDITABLE(m_text), editable); else gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable); } void wxTextCtrl::GTKSetVisibility() { wxCHECK_RET( IsSingleLine(), "wxTE_PASSWORD is for single line text controls only" ); gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD)); } void wxTextCtrl::GTKSetActivatesDefault() { wxCHECK_RET( IsSingleLine(), "wxTE_PROCESS_ENTER is for single line text controls only" ); gtk_entry_set_activates_default(GTK_ENTRY(m_text), !HasFlag(wxTE_PROCESS_ENTER)); } void wxTextCtrl::GTKSetWrapMode() { // no wrapping in single line controls if ( !IsMultiLine() ) return; // translate wx wrapping style to GTK+ GtkWrapMode wrap; if ( HasFlag( wxTE_DONTWRAP ) ) wrap = GTK_WRAP_NONE; else if ( HasFlag( wxTE_CHARWRAP ) ) wrap = GTK_WRAP_CHAR; else if ( HasFlag( wxTE_WORDWRAP ) ) wrap = GTK_WRAP_WORD; else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0 wrap = GTK_WRAP_WORD_CHAR; gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap ); } void wxTextCtrl::GTKSetJustification() { if ( IsMultiLine() ) { GtkJustification just; if ( HasFlag(wxTE_RIGHT) ) just = GTK_JUSTIFY_RIGHT; else if ( HasFlag(wxTE_CENTRE) ) just = GTK_JUSTIFY_CENTER; else // wxTE_LEFT == 0 just = GTK_JUSTIFY_LEFT; gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just); } else // single line { gfloat align; if ( HasFlag(wxTE_RIGHT) ) align = 1.0; else if ( HasFlag(wxTE_CENTRE) ) align = 0.5; else // single line align = 0.0; gtk_entry_set_alignment(GTK_ENTRY(m_text), align); } } void wxTextCtrl::SetWindowStyleFlag(long style) { long styleOld = GetWindowStyleFlag(); wxTextCtrlBase::SetWindowStyleFlag(style); if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) ) GTKSetEditable(); if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) ) GTKSetVisibility(); if ( (style & wxTE_PROCESS_ENTER) != (styleOld & wxTE_PROCESS_ENTER) ) GTKSetActivatesDefault(); static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP; if ( (style & flagsWrap) != (styleOld & flagsWrap) ) GTKSetWrapMode(); static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT; if ( (style & flagsAlign) != (styleOld & flagsAlign) ) GTKSetJustification(); } // ---------------------------------------------------------------------------- // control value // ---------------------------------------------------------------------------- wxString wxTextCtrl::GetValue() const { wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") ); if ( IsMultiLine() ) { GtkTextIter start; gtk_text_buffer_get_start_iter( m_buffer, &start ); GtkTextIter end; gtk_text_buffer_get_end_iter( m_buffer, &end ); wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true)); return wxGTK_CONV_BACK(text); } else // single line { return wxTextEntry::GetValue(); } } wxFontEncoding wxTextCtrl::GetTextEncoding() const { // GTK+ uses UTF-8 internally, we need to convert to it but from which // encoding? // first check the default text style (we intentionally don't check the // style for the current position as it doesn't make sense for SetValue()) const wxTextAttr& style = GetDefaultStyle(); wxFontEncoding enc = style.HasFontEncoding() ? style.GetFontEncoding() : wxFONTENCODING_SYSTEM; // fall back to the controls font if no style if ( enc == wxFONTENCODING_SYSTEM && m_hasFont ) enc = GetFont().GetEncoding(); return enc; } bool wxTextCtrl::IsEmpty() const { if ( IsMultiLine() ) return gtk_text_buffer_get_char_count(m_buffer) == 0; return wxTextEntry::IsEmpty(); } void wxTextCtrl::DoSetValue( const wxString &value, int flags ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); m_modified = false; if ( !IsMultiLine() ) { wxTextEntry::DoSetValue(value, flags); return; } if (value.IsEmpty()) { if ( !(flags & SetValue_SendEvent) ) EnableTextChangedEvents(false); gtk_text_buffer_set_text( m_buffer, "", 0 ); if ( !(flags & SetValue_SendEvent) ) EnableTextChangedEvents(true); return; } #if wxUSE_UNICODE const wxCharBuffer buffer(value.utf8_str()); #else wxFontEncoding enc = m_defaultStyle.HasFont() ? m_defaultStyle.GetFont().GetEncoding() : wxFONTENCODING_SYSTEM; if ( enc == wxFONTENCODING_SYSTEM ) enc = GetTextEncoding(); const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc)); if ( !buffer ) { // see comment in WriteText() as to why we must warn the user about // this wxLogWarning(_("Failed to set text in the text control.")); return; } #endif if ( !(flags & SetValue_SendEvent) ) { EnableTextChangedEvents(false); } gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) ); if ( !m_defaultStyle.IsDefault() ) { GtkTextIter start, end; gtk_text_buffer_get_bounds( m_buffer, &start, &end ); wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle, &start, &end); } if ( !(flags & SetValue_SendEvent) ) { EnableTextChangedEvents(true); } } void wxTextCtrl::WriteText( const wxString &text ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); // we're changing the text programmatically DontMarkDirtyOnNextChange(); // avoid generating wxEVT_CHAR when called from wxEVT_CHAR handler GdkEventKey* const imKeyEvent_save = m_imKeyEvent; m_imKeyEvent = NULL; wxON_BLOCK_EXIT_SET(m_imKeyEvent, imKeyEvent_save); if ( !IsMultiLine() ) { wxTextEntry::WriteText(text); return; } #if wxUSE_UNICODE const wxCharBuffer buffer(text.utf8_str()); #else // check if we have a specific style for the current position wxFontEncoding enc = wxFONTENCODING_SYSTEM; wxTextAttr style; if ( GetStyle(GetInsertionPoint(), style) && style.HasFontEncoding() ) { enc = style.GetFontEncoding(); } if ( enc == wxFONTENCODING_SYSTEM ) enc = GetTextEncoding(); const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc)); if ( !buffer ) { // we must log an error here as losing the text like this can be a // serious problem (e.g. imagine the document edited by user being // empty instead of containing the correct text) wxLogWarning(_("Failed to insert text in the control.")); return; } #endif // First remove the selection if there is one gtk_text_buffer_delete_selection(m_buffer, false, true); // Insert the text wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer ); // Scroll to cursor, but only if scrollbar thumb is at the very bottom // won't work when frozen, text view is not using m_buffer then if (!IsFrozen()) { GtkAdjustment* adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget)); const double value = gtk_adjustment_get_value(adj); const double upper = gtk_adjustment_get_upper(adj); const double page_size = gtk_adjustment_get_page_size(adj); if (wxIsSameDouble(value, upper - page_size)) { gtk_text_view_scroll_to_mark(GTK_TEXT_VIEW(m_text), gtk_text_buffer_get_insert(m_buffer), 0, false, 0, 1); } } } wxString wxTextCtrl::GetLineText( long lineNo ) const { wxString result; if ( IsMultiLine() ) { GtkTextIter line; gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo); GtkTextIter end = line; // avoid skipping to the next line end if this one is empty if ( !gtk_text_iter_ends_line(&line) ) gtk_text_iter_forward_to_line_end(&end); wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true)); result = wxGTK_CONV_BACK(text); } else { if (lineNo == 0) result = GetValue(); } return result; } void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) ) { /* If you implement this, don't forget to update the documentation! * (file docs/latex/wx/text.tex) */ wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") ); } bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const { if ( IsMultiLine() ) { GtkTextIter iter; if (pos > GetLastPosition()) return false; gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos); if ( y ) *y = gtk_text_iter_get_line(&iter); if ( x ) *x = gtk_text_iter_get_line_offset(&iter); } else // single line control { if (pos <= gtk_entry_get_text_length(GTK_ENTRY(m_text))) { if ( y ) *y = 0; if ( x ) *x = pos; } else { // index out of bounds return false; } } return true; } long wxTextCtrl::XYToPosition(long x, long y ) const { if ( IsSingleLine() ) return 0; GtkTextIter iter; if (y >= gtk_text_buffer_get_line_count (m_buffer)) return -1; gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y); if (x >= gtk_text_iter_get_chars_in_line (&iter)) return -1; return gtk_text_iter_get_offset(&iter) + x; } int wxTextCtrl::GetLineLength(long lineNo) const { if ( IsMultiLine() ) { int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1; if (lineNo > last_line) return -1; GtkTextIter iter; gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo); // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1); } else { wxString str = GetLineText (lineNo); return (int) str.length(); } } wxPoint wxTextCtrl::DoPositionToCoords(long pos) const { if ( !IsMultiLine() ) { // Single line text entry (GtkTextEntry) doesn't have support for // getting the coordinates for the given offset. Perhaps we could // find them ourselves by using GetTextExtent() but for now just leave // it unimplemented, this function is more useful for multiline // controls anyhow. return wxDefaultPosition; } // Window coordinates for the given position is calculated by getting // the buffer coordinates and converting them to window coordinates. GtkTextView *textview = GTK_TEXT_VIEW(m_text); GtkTextIter iter; gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos); GdkRectangle bufferCoords; gtk_text_view_get_iter_location(textview, &iter, &bufferCoords); gint winCoordX = 0, winCoordY = 0; gtk_text_view_buffer_to_window_coords(textview, GTK_TEXT_WINDOW_WIDGET, bufferCoords.x, bufferCoords.y, &winCoordX, &winCoordY); return wxPoint(winCoordX, winCoordY); } int wxTextCtrl::GetNumberOfLines() const { if ( IsMultiLine() ) { return gtk_text_buffer_get_line_count( m_buffer ); } else // single line { return 1; } } void wxTextCtrl::SetInsertionPoint( long pos ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ( IsMultiLine() ) { GtkTextIter iter; gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos ); gtk_text_buffer_place_cursor( m_buffer, &iter ); GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer); if (IsFrozen()) // defer until Thaw, text view is not using m_buffer now m_showPositionOnThaw = mark; else gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark); } else // single line { wxTextEntry::SetInsertionPoint(pos); } } void wxTextCtrl::SetEditable( bool editable ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ( IsMultiLine() ) { gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable ); } else // single line { wxTextEntry::SetEditable(editable); } } bool wxTextCtrl::Enable( bool enable ) { if (!wxWindowBase::Enable(enable)) { // nothing to do return false; } gtk_widget_set_sensitive( m_text, enable ); return true; } void wxTextCtrl::MarkDirty() { m_modified = true; } void wxTextCtrl::DiscardEdits() { m_modified = false; } // ---------------------------------------------------------------------------- // event handling // ---------------------------------------------------------------------------- void wxTextCtrl::EnableTextChangedEvents(bool enable) { if ( enable ) { g_signal_handlers_unblock_by_func(GetTextObject(), (gpointer)gtk_text_changed_callback, this); } else // disable events { g_signal_handlers_block_by_func(GetTextObject(), (gpointer)gtk_text_changed_callback, this); } } bool wxTextCtrl::IgnoreTextUpdate() { if ( m_countUpdatesToIgnore > 0 ) { m_countUpdatesToIgnore--; return true; } return false; } bool wxTextCtrl::MarkDirtyOnChange() { if ( m_dontMarkDirty ) { m_dontMarkDirty = false; return false; } return true; } void wxTextCtrl::SetSelection( long from, long to ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ( IsMultiLine() ) { if (from == -1 && to == -1) { from = 0; to = GetValue().length(); } GtkTextIter fromi, toi; gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from ); gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to ); gtk_text_buffer_select_range( m_buffer, &fromi, &toi ); } else // single line { wxTextEntry::SetSelection(from, to); } } void wxTextCtrl::ShowPosition( long pos ) { if (IsMultiLine()) { GtkTextIter iter; gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos)); GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition"); gtk_text_buffer_move_mark(m_buffer, mark, &iter); if (IsFrozen()) // defer until Thaw, text view is not using m_buffer now m_showPositionOnThaw = mark; else gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark); } } wxTextCtrlHitTestResult wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const { if ( !IsMultiLine() ) { // not supported return wxTE_HT_UNKNOWN; } int x, y; gtk_text_view_window_to_buffer_coords ( GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_TEXT, pt.x, pt.y, &x, &y ); GtkTextIter iter; gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y); if ( pos ) *pos = gtk_text_iter_get_offset(&iter); return wxTE_HT_ON_TEXT; } long wxTextCtrl::GetInsertionPoint() const { wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); if ( IsMultiLine() ) { // There is no direct accessor for the cursor, but // internally, the cursor is the "mark" called // "insert" in the text view's btree structure. GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer ); GtkTextIter cursor; gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark ); return gtk_text_iter_get_offset( &cursor ); } else { return wxTextEntry::GetInsertionPoint(); } } wxTextPos wxTextCtrl::GetLastPosition() const { wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); int pos = 0; if ( IsMultiLine() ) { GtkTextIter end; gtk_text_buffer_get_end_iter( m_buffer, &end ); pos = gtk_text_iter_get_offset( &end ); } else // single line { pos = wxTextEntry::GetLastPosition(); } return (long)pos; } void wxTextCtrl::Remove( long from, long to ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ( IsMultiLine() ) { GtkTextIter fromi, toi; gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from ); gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to ); gtk_text_buffer_delete( m_buffer, &fromi, &toi ); } else // single line { wxTextEntry::Remove(from, to); } } void wxTextCtrl::Cut() { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ( IsMultiLine() ) g_signal_emit_by_name (m_text, "cut-clipboard"); else wxTextEntry::Cut(); } void wxTextCtrl::Copy() { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ( IsMultiLine() ) g_signal_emit_by_name (m_text, "copy-clipboard"); else wxTextEntry::Copy(); } void wxTextCtrl::Paste() { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ( IsMultiLine() ) g_signal_emit_by_name (m_text, "paste-clipboard"); else wxTextEntry::Paste(); } // If the return values from and to are the same, there is no // selection. void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ( !IsMultiLine() ) { wxTextEntry::GetSelection(fromOut, toOut); return; } gint from, to; GtkTextIter ifrom, ito; if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) ) { from = gtk_text_iter_get_offset(&ifrom); to = gtk_text_iter_get_offset(&ito); if ( from > to ) { // exchange them to be compatible with wxMSW gint tmp = from; from = to; to = tmp; } } else // no selection { from = to = GetInsertionPoint(); } if ( fromOut ) *fromOut = from; if ( toOut ) *toOut = to; } bool wxTextCtrl::IsEditable() const { wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); if ( IsMultiLine() ) { return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text)) != 0; } else { return wxTextEntry::IsEditable(); } } bool wxTextCtrl::IsModified() const { return m_modified; } void wxTextCtrl::OnChar( wxKeyEvent &key_event ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ( key_event.GetKeyCode() == WXK_RETURN ) { if ( HasFlag(wxTE_PROCESS_ENTER) ) { wxCommandEvent event(wxEVT_TEXT_ENTER, m_windowId); event.SetEventObject(this); event.SetString(GetValue()); if ( HandleWindowEvent(event) ) return; } } key_event.Skip(); } GtkWidget* wxTextCtrl::GetConnectWidget() { return GTK_WIDGET(m_text); } GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const { if ( IsMultiLine() ) { return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_TEXT ); } else { #ifdef __WXGTK3__ GdkWindow* wxGTKFindWindow(GtkWidget* widget); return wxGTKFindWindow(m_text); #else return gtk_entry_get_text_window(GTK_ENTRY(m_text)); #endif } } // the font will change for subsequent text insertiongs bool wxTextCtrl::SetFont( const wxFont &font ) { wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); if ( !wxTextCtrlBase::SetFont(font) ) { // font didn't change, nothing to do return false; } if ( IsMultiLine() ) { SetUpdateFont(true); m_defaultStyle.SetFont(font); ChangeFontGlobally(); } return true; } void wxTextCtrl::ChangeFontGlobally() { // this method is very inefficient and hence should be called as rarely as // possible! // // TODO: it can be implemented much more efficiently for GTK2 wxASSERT_MSG( IsMultiLine(), wxT("shouldn't be called for single line controls") ); wxString value = GetValue(); if ( !value.empty() ) { SetUpdateFont(false); Clear(); AppendText(value); } } bool wxTextCtrl::SetForegroundColour(const wxColour& colour) { if ( !wxControl::SetForegroundColour(colour) ) return false; // update default fg colour too m_defaultStyle.SetTextColour(colour); return true; } bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) { wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); if ( !wxControl::SetBackgroundColour( colour ) ) return false; if (!m_backgroundColour.IsOk()) return false; // change active background color too m_defaultStyle.SetBackgroundColour( colour ); return true; } bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) { if ( IsMultiLine() ) { if ( style.IsDefault() ) { // nothing to do return true; } gint l = gtk_text_buffer_get_char_count( m_buffer ); wxCHECK_MSG( start >= 0 && end <= l, false, wxT("invalid range in wxTextCtrl::SetStyle") ); GtkTextIter starti, endi; gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start ); gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end ); wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi ); return true; } //else: single line text controls don't support styles return false; } bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) { if ( !IsMultiLine() ) { // no styles for GtkEntry return false; } gint l = gtk_text_buffer_get_char_count( m_buffer ); wxCHECK_MSG( position >= 0 && position <= l, false, wxT("invalid range in wxTextCtrl::GetStyle") ); GtkTextIter positioni; gtk_text_buffer_get_iter_at_offset(m_buffer, &positioni, position); // Obtain a copy of the default attributes GtkTextAttributes * const pattr = gtk_text_view_get_default_attributes(GTK_TEXT_VIEW(m_text)); wxON_BLOCK_EXIT1(gtk_text_attributes_unref, pattr); // And query GTK for the attributes at the given position using it as base if ( !gtk_text_iter_get_attributes(&positioni, pattr) ) { style = m_defaultStyle; } else // have custom attributes { style.SetBackgroundColour(pattr->appearance.bg_color); style.SetTextColour(pattr->appearance.fg_color); const wxGtkString pangoFontString(pango_font_description_to_string(pattr->font)); wxFont font; if ( font.SetNativeFontInfo(wxString(pangoFontString)) ) style.SetFont(font); // TODO: set alignment, tabs and indents } return true; } void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style) { #ifdef __WXGTK3__ // Preserve selection colors, otherwise the GTK_STATE_FLAG_NORMAL override // will be used, and the selection is invisible const GtkStateFlags selectedFocused = GtkStateFlags(GTK_STATE_FLAG_SELECTED | GTK_STATE_FLAG_FOCUSED); // remove any previous override gtk_widget_override_color(m_text, GTK_STATE_FLAG_NORMAL, NULL); gtk_widget_override_color(m_text, selectedFocused, NULL); gtk_widget_override_background_color(m_text, GTK_STATE_FLAG_NORMAL, NULL); gtk_widget_override_background_color(m_text, selectedFocused, NULL); const bool fg_ok = m_foregroundColour.IsOk(); const bool bg_ok = m_backgroundColour.IsOk(); if (fg_ok || bg_ok) { GdkRGBA fg_orig, bg_orig; GtkStyleContext* context = gtk_widget_get_style_context(m_text); gtk_style_context_save(context); if (IsMultiLine()) gtk_style_context_add_class(context, GTK_STYLE_CLASS_VIEW); gtk_style_context_set_state(context, selectedFocused); gtk_style_context_get_color(context, selectedFocused, &fg_orig); gtk_style_context_get_background_color(context, selectedFocused, &bg_orig); gtk_style_context_restore(context); if (fg_ok) gtk_widget_override_color(m_text, selectedFocused, &fg_orig); if (bg_ok) gtk_widget_override_background_color(m_text, selectedFocused, &bg_orig); } #endif // __WXGTK3__ GTKApplyStyle(m_text, style); } void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event)) { Cut(); } void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event)) { Copy(); } void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event)) { Paste(); } void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event)) { Undo(); } void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) { Redo(); } void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event) { event.Enable( CanCut() ); } void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event) { event.Enable( CanCopy() ); } void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event) { event.Enable( CanPaste() ); } void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event) { event.Enable( CanUndo() ); } void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) { event.Enable( CanRedo() ); } wxSize wxTextCtrl::DoGetBestSize() const { return DoGetSizeFromTextSize(80); } wxSize wxTextCtrl::DoGetSizeFromTextSize(int xlen, int ylen) const { wxASSERT_MSG( m_widget, wxS("GetSizeFromTextSize called before creation") ); wxSize tsize(xlen, 0); int cHeight = GetCharHeight(); if ( IsSingleLine() ) { if ( HasFlag(wxBORDER_NONE) ) { tsize.y = cHeight; #ifdef __WXGTK3__ tsize.IncBy(9, 0); #else tsize.IncBy(4, 0); #endif // GTK3 } else { // default height tsize.y = GTKGetPreferredSize(m_widget).y; // Add the margins we have previously set, but only the horizontal border // as vertical one has been taken account at GTKGetPreferredSize(). // Also get other GTK+ margins. tsize.IncBy( GTKGetEntryMargins(GetEntry()).x, 0); } } //multiline else { // add space for vertical scrollbar if ( m_scrollBar[1] && !(m_windowStyle & wxTE_NO_VSCROLL) ) tsize.IncBy(GTKGetPreferredSize(GTK_WIDGET(m_scrollBar[1])).x + 3, 0); // height tsize.y = cHeight; if ( ylen <= 0 ) { tsize.y = 1 + cHeight * wxMax(wxMin(GetNumberOfLines(), 10), 2); // add space for horizontal scrollbar if ( m_scrollBar[0] && (m_windowStyle & wxHSCROLL) ) tsize.IncBy(0, GTKGetPreferredSize(GTK_WIDGET(m_scrollBar[0])).y + 3); } if ( !HasFlag(wxBORDER_NONE) ) { // hardcode borders, margins, etc tsize.IncBy(5, 4); } } // Perhaps the user wants something different from CharHeight, or ylen // is used as the height of a multiline text. if ( ylen > 0 ) tsize.IncBy(0, ylen - cHeight); return tsize; } // ---------------------------------------------------------------------------- // freeze/thaw // ---------------------------------------------------------------------------- void wxTextCtrl::DoFreeze() { wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl")); GTKFreezeWidget(m_text); if (m_widget != m_text) GTKFreezeWidget(m_widget); if ( HasFlag(wxTE_MULTILINE) ) { // removing buffer dramatically speeds up insertion: g_object_ref(m_buffer); GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL); gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new); // gtk_text_view_set_buffer adds its own reference g_object_unref(buf_new); // These marks should be deleted when the buffer is changed, // but they are not (in GTK+ up to at least 3.0.1). // Otherwise these anonymous marks start to build up in the buffer, // and Freeze takes longer and longer each time it is called. if (m_anonymousMarkList) { for (GSList* item = m_anonymousMarkList; item; item = item->next) { GtkTextMark* mark = static_cast(item->data); if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark)) gtk_text_buffer_delete_mark(m_buffer, mark); } g_slist_free(m_anonymousMarkList); m_anonymousMarkList = NULL; } } } void wxTextCtrl::DoThaw() { if ( HasFlag(wxTE_MULTILINE) ) { // reattach buffer: gulong sig_id = g_signal_connect(m_buffer, "mark_set", G_CALLBACK(mark_set), &m_anonymousMarkList); gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer); g_object_unref(m_buffer); g_signal_handler_disconnect(m_buffer, sig_id); if (m_showPositionOnThaw != NULL) { gtk_text_view_scroll_mark_onscreen( GTK_TEXT_VIEW(m_text), m_showPositionOnThaw); m_showPositionOnThaw = NULL; } } GTKThawWidget(m_text); if (m_widget != m_text) GTKThawWidget(m_widget); } // ---------------------------------------------------------------------------- // wxTextUrlEvent passing if style & wxTE_AUTO_URL // ---------------------------------------------------------------------------- // FIXME: when dragging on a link the sample gets an "Unknown event". // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or // a buggy sample, or something else void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event) { event.Skip(); if( !HasFlag(wxTE_AUTO_URL) ) return; gint x, y; GtkTextIter start, end; GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer), "wxUrl"); gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET, event.GetX(), event.GetY(), &x, &y); gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y); if (!gtk_text_iter_has_tag(&end, tag)) { SetCursor(wxCursor()); return; } SetCursor(wxCursor(wxCURSOR_HAND)); start = end; if(!gtk_text_iter_begins_tag(&start, tag)) gtk_text_iter_backward_to_tag_toggle(&start, tag); if(!gtk_text_iter_ends_tag(&end, tag)) gtk_text_iter_forward_to_tag_toggle(&end, tag); // Native context menu is probably not desired on an URL. // Consider making this dependent on ProcessEvent(wxTextUrlEvent) return value if(event.GetEventType() == wxEVT_RIGHT_DOWN) event.Skip(false); wxTextUrlEvent url_event(m_windowId, event, gtk_text_iter_get_offset(&start), gtk_text_iter_get_offset(&end)); InitCommandEvent(url_event); // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag) //event.Skip(!HandleWindowEvent(url_event)); HandleWindowEvent(url_event); } bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const { bool rc = wxTextCtrlBase::GTKProcessEvent(event); // GtkTextView starts a drag operation when left mouse button is pressed // and ends it when it is released and if it doesn't get the release event // the next click on a control results in an assertion failure inside // gtk_text_view_start_selection_drag() which simply *kills* the program // without anything we can do about it, so always let GTK+ have this event return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP); } // static wxVisualAttributes wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { return GetDefaultAttributesFromGTKWidget(gtk_entry_new(), true); } #endif // wxUSE_TEXTCTRL