///////////////////////////////////////////////////////////////////////////// // Name: src/gtk/textctrl.cpp // Purpose: // Author: Robert Roebling // Id: $Id: textctrl.cpp 62555 2009-11-04 05:18:38Z PC $ // 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" #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/strconv.h" #include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo()) #include #include #include #include "wx/gtk/private.h" // ---------------------------------------------------------------------------- // helpers // ---------------------------------------------------------------------------- extern "C" { static void wxGtkOnRemoveTag(GtkTextBuffer *buffer, GtkTextTag *tag, GtkTextIter *start, GtkTextIter *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); } } static void wxGtkTextApplyTagsFromAttr(GtkWidget *text, GtkTextBuffer *text_buffer, const wxTextAttr& attr, GtkTextIter *start, GtkTextIter *end) { static gchar buf[1024]; GtkTextTag *tag; gulong remove_handler_id = g_signal_connect (text_buffer, "remove_tag", G_CALLBACK (wxGtkOnRemoveTag), gpointer("WX")); gtk_text_buffer_remove_all_tags(text_buffer, start, end); g_signal_handler_disconnect (text_buffer, remove_handler_id); if (attr.HasFont()) { PangoFontDescription *font_description = attr.GetFont().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 (attr.GetFont().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 (attr.HasTextColour()) { 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()) { 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); remove_handler_id = g_signal_connect (text_buffer, "remove_tag", G_CALLBACK(wxGtkOnRemoveTag), gpointer("WXALIGNMENT")); gtk_text_buffer_remove_all_tags( text_buffer, ¶_start, ¶_end ); g_signal_handler_disconnect (text_buffer, remove_handler_id); GtkJustification align; switch (attr.GetAlignment()) { default: align = GTK_JUSTIFY_LEFT; break; case wxTEXT_ALIGNMENT_RIGHT: align = GTK_JUSTIFY_RIGHT; break; case wxTEXT_ALIGNMENT_CENTER: align = GTK_JUSTIFY_CENTER; break; // 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) case wxTEXT_ALIGNMENT_JUSTIFIED: if (!gtk_check_version(2,11,0)) align = GTK_JUSTIFY_FILL; else align = GTK_JUSTIFY_LEFT; break; #endif } 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); remove_handler_id = g_signal_connect (text_buffer, "remove_tag", G_CALLBACK(wxGtkOnRemoveTag), gpointer("WXINDENT")); gtk_text_buffer_remove_all_tags( text_buffer, ¶_start, ¶_end ); g_signal_handler_disconnect (text_buffer, remove_handler_id); // Convert indent from 1/10th of a mm into pixels float factor; #if GTK_CHECK_VERSION(2,2,0) if (!gtk_check_version(2,2,0)) factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) / gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10; else #endif factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 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); remove_handler_id = g_signal_connect (text_buffer, "remove_tag", G_CALLBACK(wxGtkOnRemoveTag), gpointer("WXTABS")); gtk_text_buffer_remove_all_tags( text_buffer, ¶_start, ¶_end ); g_signal_handler_disconnect (text_buffer, remove_handler_id); const wxArrayInt& tabs = attr.GetTabs(); wxString tagname = _T("WXTABS"); g_snprintf(buf, sizeof(buf), "WXTABS"); for (size_t i = 0; i < tabs.GetCount(); i++) tagname += wxString::Format(_T(" %d"), tabs[i]); const wxWX2MBbuf buf = tagname.mb_str(wxConvUTF8); tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), buf ); if (!tag) { // Factor to convert from 1/10th of a mm into pixels float factor; #if GTK_CHECK_VERSION(2,2,0) if (!gtk_check_version(2,2,0)) factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) / gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10; else #endif factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 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, buf, "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); } // ---------------------------------------------------------------------------- // "insert_text" for GtkEntry // ---------------------------------------------------------------------------- extern "C" { static void gtk_insert_text_callback(GtkEditable *editable, const gchar *new_text, gint new_text_length, gint *position, wxTextCtrl *win) { if (g_isIdle) wxapp_install_idle_handler(); // we should only be called if we have a max len limit at all GtkEntry *entry = GTK_ENTRY (editable); wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") ); // check that we don't overflow the max length limit // // FIXME: this doesn't work when we paste a string which is going to be // truncated if ( entry->text_length == entry->text_max_length ) { // we don't need to run the base class version at all g_signal_stop_emission_by_name (editable, "insert_text"); // remember that the next changed signal is to be ignored to avoid // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event win->IgnoreNextTextUpdate(); // and generate the correct one ourselves wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId()); event.SetEventObject(win); event.SetString(win->GetValue()); win->GetEventHandler()->ProcessEvent( event ); } } } // Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp, extern "C" { static void au_apply_tag_callback(GtkTextBuffer *buffer, GtkTextTag *tag, GtkTextIter *start, GtkTextIter *end, gpointer 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 user_data) { return g_unichar_isspace(ch); } } extern "C" { static gboolean pred_non_whitespace (gunichar ch, gpointer user_data) { return !g_unichar_isspace(ch); } } extern "C" { static gboolean pred_nonpunct (gunichar ch, gpointer user_data) { return !g_unichar_ispunct(ch); } } extern "C" { static gboolean pred_nonpunct_or_slash (gunichar ch, gpointer 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 *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) && !strncasecmp(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" { static void au_insert_text_callback(GtkTextBuffer *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 *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); } } //----------------------------------------------------------------------------- // "changed" //----------------------------------------------------------------------------- extern "C" { static void gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win ) { if ( win->IgnoreTextUpdate() ) return; if (!win->m_hasVMT) return; if (g_isIdle) wxapp_install_idle_handler(); if ( win->MarkDirtyOnChange() ) win->MarkDirty(); win->SendTextUpdatedEvent(); } } //----------------------------------------------------------------------------- // clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard" //----------------------------------------------------------------------------- // common part of the event handlers below static void handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win, wxEventType eventType, const gchar * signal_name) { wxClipboardTextEvent event( eventType, win->GetId() ); event.SetEventObject( win ); if ( win->GetEventHandler()->ProcessEvent( event ) ) { // don't let the default processing to take place if we did something // ourselves in the event handler g_signal_stop_emission_by_name (widget, signal_name); } } extern "C" { static void gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win ) { handle_text_clipboard_callback( widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" ); } static void gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win ) { handle_text_clipboard_callback( widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" ); } static void gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win ) { handle_text_clipboard_callback( widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" ); } } //----------------------------------------------------------------------------- // "expose_event" from scrolled window and textview //----------------------------------------------------------------------------- extern "C" { static gboolean gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win ) { return TRUE; } } //----------------------------------------------------------------------------- // wxTextCtrl //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase) 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_freezeCount = 0; m_showPositionOnThaw = NULL; m_gdkHandCursor = NULL; m_gdkXTermCursor = NULL; } wxTextCtrl::~wxTextCtrl() { if(m_gdkHandCursor) gdk_cursor_unref(m_gdkHandCursor); if(m_gdkXTermCursor) gdk_cursor_unref(m_gdkXTermCursor); } 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 ) { m_needParent = true; m_acceptsFocus = true; 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) { // Create view m_text = gtk_text_view_new(); m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); // 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, GTK_POLICY_AUTOMATIC ); // for ScrollLines/Pages m_scrollBar[1] = (GtkRange*)((GtkScrolledWindow*)m_widget)->vscrollbar; // 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_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); } else { // a single-line text control: no need for scrollbars m_widget = m_text = gtk_entry_new(); // 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); } m_parent->DoAddChild( this ); m_focusWidget = m_text; PostCreation(size); if (multi_line) { gtk_widget_show(m_text); } 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); } if (!value.empty()) { DoSetValue( value, 0 ); } 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; m_gdkHandCursor = gdk_cursor_new(GDK_HAND2); m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM); // We create our wxUrl tag here for slight efficiency gain - we // don't have to check for the tag existance 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); } } g_signal_connect (m_text, "copy-clipboard", G_CALLBACK (gtk_copy_clipboard_callback), this); g_signal_connect (m_text, "cut-clipboard", G_CALLBACK (gtk_cut_clipboard_callback), this); g_signal_connect (m_text, "paste-clipboard", G_CALLBACK (gtk_paste_clipboard_callback), this); m_cursor = wxCursor( wxCURSOR_IBEAM ); wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont()); SetDefaultStyle( attrDef ); return true; } // ---------------------------------------------------------------------------- // 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() { // VZ: shouldn't we assert if wxTE_PASSWORD is set for multiline control? if ( IsSingleLine() ) gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD)); } 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 { // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4 #ifdef __WXGTK24__ if ( !gtk_check_version(2,4,0) ) { wrap = GTK_WRAP_WORD_CHAR; } else #endif // __WXGTK24__ wrap = GTK_WRAP_WORD; } 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 { #ifdef __WXGTK24__ // gtk_entry_set_alignment was introduced in gtk+-2.3.5 if (!gtk_check_version(2,4,0)) { 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); } #endif // __WXGTK24__ } } 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(); 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") ); wxString tmp; 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)); const wxWxCharBuffer buf = wxGTK_CONV_BACK(text); if ( buf ) tmp = buf; } else { const gchar *text = gtk_entry_get_text( GTK_ENTRY(m_text) ); const wxWxCharBuffer buf = wxGTK_CONV_BACK( text ); if ( buf ) tmp = buf; } return tmp; } 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.HasFont() ? style.GetFont().GetEncoding() : 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 wxTextCtrlBase::IsEmpty(); } void wxTextCtrl::DoSetValue( const wxString &value, int flags ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); m_modified = false; const wxCharBuffer buffer(wxGTK_CONV_ENC(value, GetTextEncoding())); 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; } if ( IsMultiLine() ) { g_signal_handlers_disconnect_by_func (m_buffer, (gpointer) gtk_text_changed_callback, this); gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) ); g_signal_connect (m_buffer, "changed", G_CALLBACK (gtk_text_changed_callback), this); } else { g_signal_handlers_disconnect_by_func (m_text, (gpointer) gtk_text_changed_callback, this); gtk_entry_set_text( GTK_ENTRY(m_text), buffer ); g_signal_connect (m_text, "changed", G_CALLBACK (gtk_text_changed_callback), this); } // This was added after discussion on the list SetInsertionPoint(0); if (flags & SetValue_SendEvent) SendTextUpdatedEvent(); } void wxTextCtrl::WriteText( const wxString &text ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ( text.empty() ) return; // check if we have a specific style for the current position wxFontEncoding enc = wxFONTENCODING_SYSTEM; wxTextAttr style; if ( GetStyle(GetInsertionPoint(), style) && style.HasFont() ) { enc = style.GetFont().GetEncoding(); } 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; } // we're changing the text programmatically DontMarkDirtyOnNextChange(); if ( IsMultiLine() ) { // First remove the selection if there is one // TODO: Is there an easier GTK specific way to do this? long from, to; GetSelection(&from, &to); if (from != to) Remove(from, to); // Insert the text wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer ); GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) ); // 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() && wxIsSameDouble(adj->value, adj->upper - adj->page_size)) { gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 ); } } else // single line { // First remove the selection if there is one gtk_editable_delete_selection( GTK_EDITABLE(m_text) ); // This moves the cursor pos to behind the inserted text. gint len = gtk_editable_get_position(GTK_EDITABLE(m_text)); gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len ); // Bring entry's cursor uptodate. gtk_editable_set_position( GTK_EDITABLE(m_text), len ); } } void wxTextCtrl::AppendText( const wxString &text ) { SetInsertionPointEnd(); WriteText( text ); } 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(m_text)->text_length ) { 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(); } } 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 { // FIXME: Is the editable's cursor really uptodate without double set_position in GTK2? gtk_editable_set_position(GTK_EDITABLE(m_text), int(pos)); } } void wxTextCtrl::SetInsertionPointEnd() { SetInsertionPoint(-1); } 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 { gtk_editable_set_editable( GTK_EDITABLE(m_text), editable ); } } bool wxTextCtrl::Enable( bool enable ) { if (!wxWindowBase::Enable(enable)) { // nothing to do return false; } gtk_widget_set_sensitive( m_text, enable ); SetCursor(enable ? wxCursor(wxCURSOR_IBEAM) : wxCursor()); return true; } // wxGTK-specific: called recursively by Enable, // to give widgets an oppprtunity to correct their colours after they // have been changed by Enable void wxTextCtrl::OnParentEnable( bool enable ) { // If we have a custom background colour, we use this colour in both // disabled and enabled mode, or we end up with a different colour under the // text. wxColour oldColour = GetBackgroundColour(); if (oldColour.Ok()) { // Need to set twice or it'll optimize the useful stuff out if (oldColour == * wxWHITE) SetBackgroundColour(*wxBLACK); else SetBackgroundColour(*wxWHITE); SetBackgroundColour(oldColour); } } void wxTextCtrl::MarkDirty() { m_modified = true; } void wxTextCtrl::DiscardEdits() { m_modified = false; } // ---------------------------------------------------------------------------- // max text length support // ---------------------------------------------------------------------------- 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::SetMaxLength(unsigned long len) { if ( !HasFlag(wxTE_MULTILINE) ) { gtk_entry_set_max_length(GTK_ENTRY(m_text), len); // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if // we had tried to enter more text than allowed by max text length and // the text wasn't really changed // // to detect this and generate TEXT_MAXLEN event instead of // TEXT_CHANGED one in this case we also catch "insert_text" signal // // when max len is set to 0 we disconnect our handler as it means that // we shouldn't check anything any more if ( len ) { g_signal_connect (m_text, "insert_text", G_CALLBACK (gtk_insert_text_callback), this); } else // no checking { g_signal_handlers_disconnect_by_func (m_text, (gpointer) gtk_insert_text_callback, this); } } } void wxTextCtrl::SetSelection( long from, long to ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if (from == -1 && to == -1) { from = 0; to = GetValue().length(); } 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_place_cursor( m_buffer, &toi ); gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi ); } else { gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)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 (long) gtk_editable_get_position(GTK_EDITABLE(m_text)); } } 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 { pos = GTK_ENTRY(m_text)->text_length; } 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 gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); } void wxTextCtrl::Replace( long from, long to, const wxString &value ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); Remove( from, to ); if (!value.empty()) { SetInsertionPoint( from ); WriteText( value ); } } void wxTextCtrl::Cut() { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ( IsMultiLine() ) g_signal_emit_by_name (m_text, "cut-clipboard"); else gtk_editable_cut_clipboard(GTK_EDITABLE(m_text)); } void wxTextCtrl::Copy() { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ( IsMultiLine() ) g_signal_emit_by_name (m_text, "copy-clipboard"); else gtk_editable_copy_clipboard(GTK_EDITABLE(m_text)); } void wxTextCtrl::Paste() { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ( IsMultiLine() ) g_signal_emit_by_name (m_text, "paste-clipboard"); else gtk_editable_paste_clipboard(GTK_EDITABLE(m_text)); } // Undo/redo void wxTextCtrl::Undo() { // TODO wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") ); } void wxTextCtrl::Redo() { // TODO wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") ); } bool wxTextCtrl::CanUndo() const { // TODO //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") ); return false; } bool wxTextCtrl::CanRedo() const { // TODO //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") ); return false; } // 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") ); gint from = -1; gint to = -1; bool haveSelection = false; if ( IsMultiLine() ) { GtkTextIter ifrom, ito; if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) ) { haveSelection = true; from = gtk_text_iter_get_offset(&ifrom); to = gtk_text_iter_get_offset(&ito); } } else // not multi-line { if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text), &from, &to) ) { haveSelection = true; } } if (! haveSelection ) from = to = GetInsertionPoint(); if ( from > to ) { // exchange them to be compatible with wxMSW gint tmp = from; from = to; to = tmp; } 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)); } else { return gtk_editable_get_editable(GTK_EDITABLE(m_text)); } } bool wxTextCtrl::IsModified() const { return m_modified; } void wxTextCtrl::Clear() { SetValue( wxEmptyString ); } 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_COMMAND_TEXT_ENTER, m_windowId); event.SetEventObject(this); event.SetString(GetValue()); if ( GetEventHandler()->ProcessEvent(event) ) return; } // FIXME: this is not the right place to do it, wxDialog::OnCharHook() // probably is if ( IsSingleLine() ) { // This will invoke the dialog default action, such // as the clicking the default button. wxWindow *top_frame = m_parent; while (top_frame->GetParent() && !(top_frame->IsTopLevel())) top_frame = top_frame->GetParent(); if (top_frame && GTK_IS_WINDOW(top_frame->m_widget)) { GtkWindow *window = GTK_WINDOW(top_frame->m_widget); if (window->default_widget) { gtk_widget_activate (window->default_widget); 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 { return GTK_ENTRY(m_text)->text_area; } } // 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(), _T("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.Ok()) 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, _T("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 ); // use the attributes from style which are set in it and fall back // first to the default style and then to the text control default // colours for the others wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this); wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, attr, &starti, &endi ); return true; } // else single line // cannot do this for GTK+'s Entry widget return false; } void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style) { gtk_widget_modify_style(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 { // FIXME should be different for multi-line controls... wxSize ret( wxControl::DoGetBestSize() ); wxSize best(80, ret.y); CacheBestSize(best); return best; } // ---------------------------------------------------------------------------- // freeze/thaw // ---------------------------------------------------------------------------- void wxTextCtrl::Freeze() { wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl")); if ( HasFlag(wxTE_MULTILINE) ) { if (m_freezeCount++ == 0) { // freeze textview updates and remove buffer g_signal_connect (m_text, "expose_event", G_CALLBACK (gtk_text_exposed_callback), this); g_signal_connect (m_widget, "expose_event", G_CALLBACK (gtk_text_exposed_callback), this); gtk_widget_set_sensitive(m_widget, false); g_object_ref(m_buffer); GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL); GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark; 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); // This mark should be deleted when the buffer is changed, // but it's not (in GTK+ up to at least 2.10.6). // Otherwise these anonymous marks start to build up in the buffer, // and Freeze takes longer and longer each time it is called. if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark)) gtk_text_buffer_delete_mark(m_buffer, mark); } } } void wxTextCtrl::Thaw() { if ( HasFlag(wxTE_MULTILINE) ) { wxCHECK_RET(m_freezeCount != 0, _T("Thaw() without matching Freeze()")); if (--m_freezeCount == 0) { // Reattach buffer and thaw textview updates gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer); g_object_unref(m_buffer); gtk_widget_set_sensitive(m_widget, true); g_signal_handlers_disconnect_by_func (m_widget, (gpointer) gtk_text_exposed_callback, this); g_signal_handlers_disconnect_by_func (m_text, (gpointer) gtk_text_exposed_callback, this); if (m_showPositionOnThaw != NULL) { gtk_text_view_scroll_mark_onscreen( GTK_TEXT_VIEW(m_text), m_showPositionOnThaw); m_showPositionOnThaw = NULL; } } } } // ---------------------------------------------------------------------------- // 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)) { gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor); return; } gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor); 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 dependant 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(!GetEventHandler()->ProcessEvent(url_event)); GetEventHandler()->ProcessEvent(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); }