///////////////////////////////////////////////////////////////////////////// // Name: textctrl.cpp // Purpose: // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "textctrl.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #include "wx/textctrl.h" #include "wx/utils.h" #include "wx/intl.h" #include "wx/log.h" #include "wx/settings.h" #include "wx/panel.h" #include "wx/strconv.h" #include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo()) #include #include #include #include "wx/math.h" #include "wx/gtk/private.h" #include //----------------------------------------------------------------------------- // idle system //----------------------------------------------------------------------------- extern void wxapp_install_idle_handler(); extern bool g_isIdle; //----------------------------------------------------------------------------- // data //----------------------------------------------------------------------------- extern bool g_blockEventsOnDrag; extern wxCursor g_globalCursor; extern wxWindowGTK *g_delayedFocus; // ---------------------------------------------------------------------------- // helpers // ---------------------------------------------------------------------------- #ifdef __WXGTK20__ static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer, const wxTextAttr& attr, GtkTextIter *start, GtkTextIter *end) { static gchar buf[1024]; GtkTextTag *tag; if (attr.HasFont()) { char *font_string; PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description; font_string = pango_font_description_to_string(font_description); g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string); 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); g_free (font_string); } if (attr.HasTextColour()) { 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()) { 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); } } static void wxGtkTextInsert(GtkWidget *text, GtkTextBuffer *text_buffer, const wxTextAttr& attr, 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_buffer, attr, &start, &iter); } #else static void wxGtkTextInsert(GtkWidget *text, const wxTextAttr& attr, const char *txt, size_t len) { GdkFont *font = attr.HasFont() ? attr.GetFont().GetInternalFont() : NULL; GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor() : NULL; GdkColor *colBg = attr.HasBackgroundColour() ? attr.GetBackgroundColour().GetColor() : NULL; gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len ); } #endif // GTK 1.x // ---------------------------------------------------------------------------- // "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 gtk_signal_emit_stop_by_name(GTK_OBJECT(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 ); } } } #ifdef __WXGTK20__ // 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); gchar* 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); } } #endif //----------------------------------------------------------------------------- // "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(); win->SetModified(); #ifndef __WXGTK20__ win->UpdateFontIfNeeded(); #endif // !__WXGTK20__ wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); event.SetEventObject( win ); win->GetEventHandler()->ProcessEvent( event ); } } //----------------------------------------------------------------------------- // "expose_event" from scrolled window and textview //----------------------------------------------------------------------------- #ifdef __WXGTK20__ extern "C" { static gboolean gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win ) { return TRUE; } } #endif //----------------------------------------------------------------------------- // "changed" from vertical scrollbar //----------------------------------------------------------------------------- #ifndef __WXGTK20__ extern "C" { static void gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) { if (!win->m_hasVMT) return; if (g_isIdle) wxapp_install_idle_handler(); win->CalculateScrollbar(); } } #endif // ---------------------------------------------------------------------------- // redraw callback for multiline text // ---------------------------------------------------------------------------- #ifndef __WXGTK20__ // redrawing a GtkText from inside a wxYield() call results in crashes (the // text sample shows it in its "Add lines" command which shows wxProgressDialog // which implicitly calls wxYield()) so we override GtkText::draw() and simply // don't do anything if we're inside wxYield() extern bool wxIsInsideYield; extern "C" { typedef void (*GtkDrawCallback)(GtkWidget *widget, GdkRectangle *rect); } static GtkDrawCallback gs_gtk_text_draw = NULL; extern "C" { static void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect) { if ( !wxIsInsideYield ) { wxCHECK_RET( gs_gtk_text_draw != wxgtk_text_draw, _T("infinite recursion in wxgtk_text_draw aborted") ); gs_gtk_text_draw(widget, rect); } } } #endif // __WXGTK20__ //----------------------------------------------------------------------------- // wxTextCtrl //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl) BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) 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) #ifdef __WXGTK20__ // 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) #endif END_EVENT_TABLE() void wxTextCtrl::Init() { m_ignoreNextUpdate = m_modified = false; SetUpdateFont(false); m_text = m_vScrollbar = (GtkWidget *)NULL; #ifdef __WXGTK20__ m_frozenness = 0; m_gdkHandCursor = NULL; m_gdkXTermCursor = NULL; #endif } wxTextCtrl::~wxTextCtrl() { #ifdef __WXGTK20__ if(m_gdkHandCursor) gdk_cursor_unref(m_gdkHandCursor); if(m_gdkXTermCursor) gdk_cursor_unref(m_gdkXTermCursor); #endif } 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; } m_vScrollbarVisible = false; bool multi_line = (style & wxTE_MULTILINE) != 0; if (multi_line) { #ifdef __WXGTK20__ // Create view m_text = gtk_text_view_new(); m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); // 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 ); // Insert view into scrolled window gtk_container_add( GTK_CONTAINER(m_widget), m_text ); // translate wx wrapping style to GTK+ GtkWrapMode wrap; if ( HasFlag( wxTE_DONTWRAP ) ) wrap = GTK_WRAP_NONE; else if ( HasFlag( wxTE_LINEWRAP ) ) wrap = GTK_WRAP_CHAR; else // HasFlag(wxTE_WORDWRAP) always true as wxTE_WORDWRAP == 0 wrap = GTK_WRAP_WORD; gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap ); if (!HasFlag(wxNO_BORDER)) gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN ); 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 // GTK+ 1 // create our control ... m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL ); // ... and put into the upper left hand corner of the table bool bHasHScrollbar = false; m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE); GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1, (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), 0, 0); // always wrap words gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE ); // finally, put the vertical scrollbar in the upper right corner m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj ); GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS ); gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1, GTK_FILL, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK), 0, 0); #endif // GTK+ 2/1 } else { // a single-line text control: no need for scrollbars m_widget = m_text = gtk_entry_new(); #ifdef __WXGTK20__ if (style & wxNO_BORDER) g_object_set( GTK_ENTRY(m_text), "has-frame", FALSE, NULL ); #endif } m_parent->DoAddChild( this ); m_focusWidget = m_text; PostCreation(size); if (multi_line) gtk_widget_show(m_text); #ifndef __WXGTK20__ if (multi_line) { gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed", (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this ); // only initialize gs_gtk_text_draw once, starting from the next the // klass::draw will already be wxgtk_text_draw if ( !gs_gtk_text_draw ) { GtkDrawCallback& draw = GTK_WIDGET_CLASS(GTK_OBJECT(m_text)->klass)->draw; gs_gtk_text_draw = draw; draw = wxgtk_text_draw; } } #endif // GTK+ 1.x if (!value.empty()) { #ifdef __WXGTK20__ SetValue( value ); #else #if !GTK_CHECK_VERSION(1, 2, 0) // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in // gtk_editable_insert_text() gtk_widget_realize(m_text); #endif // GTK 1.0 gint tmp = 0; #if wxUSE_UNICODE wxWX2MBbuf val = value.mbc_str(); gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp ); #else gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp ); #endif if (multi_line) { // Bring editable's cursor uptodate. Bug in GTK. SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); } #endif } if (style & wxTE_PASSWORD) { if (!multi_line) gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE ); } if (style & wxTE_READONLY) { if (!multi_line) gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE ); #ifdef __WXGTK20__ else gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE); #else } else { if (multi_line) gtk_text_set_editable( GTK_TEXT(m_text), 1 ); #endif } #ifdef __WXGTK20__ if (multi_line) { if (style & wxTE_RIGHT) gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_RIGHT ); else if (style & wxTE_CENTRE) gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_CENTER ); // Left justify (alignment) is the default and we don't need to apply GTK_JUSTIFY_LEFT } else { #ifdef __WXGTK24__ // gtk_entry_set_alignment was introduced in gtk+-2.3.5 if (!gtk_check_version(2,4,0)) { if (style & wxTE_RIGHT) gtk_entry_set_alignment( GTK_ENTRY(m_text), 1.0 ); else if (style & wxTE_CENTRE) gtk_entry_set_alignment( GTK_ENTRY(m_text), 0.5 ); } #endif } #endif // __WXGTK20__ // We want to be notified about text changes. #ifdef __WXGTK20__ if (multi_line) { g_signal_connect( G_OBJECT(m_buffer), "changed", GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); // .. and 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( G_OBJECT(m_buffer), "insert_text", GTK_SIGNAL_FUNC(au_insert_text_callback), (gpointer)this); g_signal_connect_after( G_OBJECT(m_buffer), "delete_range", GTK_SIGNAL_FUNC(au_delete_range_callback), (gpointer)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( G_OBJECT(m_buffer), "apply_tag", GTK_SIGNAL_FUNC(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); } } else #endif { gtk_signal_connect( GTK_OBJECT(m_text), "changed", GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); } m_cursor = wxCursor( wxCURSOR_IBEAM ); wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont()); SetDefaultStyle( attrDef ); return true; } void wxTextCtrl::CalculateScrollbar() { #ifndef __WXGTK20__ if ((m_windowStyle & wxTE_MULTILINE) == 0) return; GtkAdjustment *adj = GTK_TEXT(m_text)->vadj; if (adj->upper - adj->page_size < 0.8) { if (m_vScrollbarVisible) { gtk_widget_hide( m_vScrollbar ); m_vScrollbarVisible = false; } } else { if (!m_vScrollbarVisible) { gtk_widget_show( m_vScrollbar ); m_vScrollbarVisible = true; } } #endif } wxString wxTextCtrl::GetValue() const { wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") ); wxString tmp; if (m_windowStyle & wxTE_MULTILINE) { #ifdef __WXGTK20__ GtkTextIter start; gtk_text_buffer_get_start_iter( m_buffer, &start ); GtkTextIter end; gtk_text_buffer_get_end_iter( m_buffer, &end ); gchar *text = gtk_text_buffer_get_text( m_buffer, &start, &end, TRUE ); #if wxUSE_UNICODE wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) ); #else wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) ); #endif if ( buffer ) tmp = buffer; g_free( text ); #else gint len = gtk_text_get_length( GTK_TEXT(m_text) ); char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); tmp = text; g_free( text ); #endif } else { tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) ); } return tmp; } void wxTextCtrl::SetValue( const wxString &value ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if (m_windowStyle & wxTE_MULTILINE) { #ifdef __WXGTK20__ #if wxUSE_UNICODE wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) ); #else wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) ); #endif if (gtk_text_buffer_get_char_count(m_buffer) != 0) IgnoreNextTextUpdate(); gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) ); #else gint len = gtk_text_get_length( GTK_TEXT(m_text) ); gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len ); len = 0; gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len ); #endif } else { gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) ); } // GRG, Jun/2000: Changed this after a lot of discussion in // the lists. wxWidgets 2.2 will have a set of flags to // customize this behaviour. SetInsertionPoint(0); m_modified = false; } void wxTextCtrl::WriteText( const wxString &text ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ( text.empty() ) return; // gtk_text_changed_callback() will set m_modified to true but m_modified // shouldn't be changed by the program writing to the text control itself, // so save the old value and restore when we're done bool oldModified = m_modified; if ( m_windowStyle & wxTE_MULTILINE ) { #ifdef __WXGTK20__ #if wxUSE_UNICODE wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) ); #else wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) ); #endif if ( !buffer ) { // what else can we do? at least don't crash... return; } // TODO: Call whatever is needed to delete the selection. 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 if ( 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 // GTK 1.x // After cursor movements, gtk_text_get_point() is wrong by one. gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) ); // always use m_defaultStyle, even if it is empty as otherwise // resetting the style and appending some more text wouldn't work: if // we don't specify the style explicitly, the old style would be used gtk_editable_delete_selection( GTK_EDITABLE(m_text) ); wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.Len()); // we called wxGtkTextInsert with correct font, no need to do anything // in UpdateFontIfNeeded() any longer if ( !text.empty() ) { SetUpdateFont(false); } // Bring editable's cursor back uptodate. SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); #endif // GTK 1.x/2.0 } 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 = GET_EDITABLE_POS(m_text); #ifdef __WXGTK20__ #if wxUSE_UNICODE wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) ); #else wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) ); #endif gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len ); #else gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len ); #endif // Bring entry's cursor uptodate. gtk_entry_set_position( GTK_ENTRY(m_text), len ); } m_modified = oldModified; } void wxTextCtrl::AppendText( const wxString &text ) { SetInsertionPointEnd(); WriteText( text ); } wxString wxTextCtrl::GetLineText( long lineNo ) const { if (m_windowStyle & wxTE_MULTILINE) { #ifndef __WXGTK20__ gint len = gtk_text_get_length( GTK_TEXT(m_text) ); char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); if (text) { wxString buf(wxT("")); long i; int currentLine = 0; for (i = 0; currentLine != lineNo && text[i]; i++ ) if (text[i] == '\n') currentLine++; // Now get the text int j; for (j = 0; text[i] && text[i] != '\n'; i++, j++ ) buf += text[i]; g_free( text ); return buf; } else { return wxEmptyString; } #else GtkTextIter line; gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo); GtkTextIter end; gtk_text_buffer_get_end_iter(m_buffer,&end ); gchar *text = gtk_text_buffer_get_text(m_buffer,&line,&end,TRUE); wxString result(wxGTK_CONV_BACK(text)); g_free(text); return result.BeforeFirst(wxT('\n')); #endif } else { if (lineNo == 0) return GetValue(); return wxEmptyString; } } 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 ( m_windowStyle & wxTE_MULTILINE ) { wxString text = GetValue(); // cast to prevent warning. But pos really should've been unsigned. if( (unsigned long)pos > text.Len() ) return false; *x=0; // First Col *y=0; // First Line const wxChar* stop = text.c_str() + pos; for ( const wxChar *p = text.c_str(); p < stop; p++ ) { if (*p == wxT('\n')) { (*y)++; *x=0; } else (*x)++; } } else // single line control { if ( pos <= GTK_ENTRY(m_text)->text_length ) { *y = 0; *x = pos; } else { // index out of bounds return false; } } return true; } long wxTextCtrl::XYToPosition(long x, long y ) const { if (!(m_windowStyle & wxTE_MULTILINE)) return 0; long pos=0; for( int i=0; iline_start_cache ) { // tell the programmer that it didn't work wxLogDebug(_T("Can't call SetSelection() before realizing the control")); return; } #endif if (m_windowStyle & wxTE_MULTILINE) { #ifdef __WXGTK20__ 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 ); #endif } else { gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); } } void wxTextCtrl::ShowPosition( long pos ) { if (m_windowStyle & wxTE_MULTILINE) { #ifdef __WXGTK20__ GtkTextIter iter; gtk_text_buffer_get_start_iter( m_buffer, &iter ); gtk_text_iter_set_offset( &iter, pos ); GtkTextMark *mark = gtk_text_buffer_create_mark( m_buffer, NULL, &iter, TRUE ); gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 ); #else // GTK 1.x GtkAdjustment *vp = GTK_TEXT(m_text)->vadj; float totalLines = (float) GetNumberOfLines(); long posX; long posY; PositionToXY(pos, &posX, &posY); float posLine = (float) posY; float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower; gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p); #endif // GTK 1.x/2.x } } #ifdef __WXGTK20__ 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; } #endif // __WXGTK20__ long wxTextCtrl::GetInsertionPoint() const { wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); #ifdef __WXGTK20__ if (m_windowStyle & wxTE_MULTILINE) { // 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 #endif { return (long) GET_EDITABLE_POS(m_text); } } wxTextPos wxTextCtrl::GetLastPosition() const { wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); int pos = 0; if (m_windowStyle & wxTE_MULTILINE) { #ifdef __WXGTK20__ GtkTextIter end; gtk_text_buffer_get_end_iter( m_buffer, &end ); pos = gtk_text_iter_get_offset( &end ); #else pos = gtk_text_get_length( GTK_TEXT(m_text) ); #endif } 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") ); #ifdef __WXGTK20__ if (m_windowStyle & wxTE_MULTILINE) { 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 #endif 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()) { #ifdef __WXGTK20__ SetInsertionPoint( from ); WriteText( value ); #else // GTK 1.x gint pos = (gint)from; #if wxUSE_UNICODE wxWX2MBbuf buf = value.mbc_str(); gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos ); #else gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos ); #endif // wxUSE_UNICODE #endif // GTK 1.x/2.x } } void wxTextCtrl::Cut() { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); #ifdef __WXGTK20__ if (m_windowStyle & wxTE_MULTILINE) g_signal_emit_by_name(m_text, "cut-clipboard"); else #endif gtk_editable_cut_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); } void wxTextCtrl::Copy() { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); #ifdef __WXGTK20__ if (m_windowStyle & wxTE_MULTILINE) g_signal_emit_by_name(m_text, "copy-clipboard"); else #endif gtk_editable_copy_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); } void wxTextCtrl::Paste() { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); #ifdef __WXGTK20__ if (m_windowStyle & wxTE_MULTILINE) g_signal_emit_by_name(m_text, "paste-clipboard"); else #endif gtk_editable_paste_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); } // 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; #ifdef __WXGTK20__ if (m_windowStyle & wxTE_MULTILINE) { 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; } } #else // not GTK2 if ( (GTK_EDITABLE(m_text)->has_selection) ) { haveSelection = true; from = (long) GTK_EDITABLE(m_text)->selection_start_pos; to = (long) GTK_EDITABLE(m_text)->selection_end_pos; } #endif 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") ); #ifdef __WXGTK20__ if (m_windowStyle & wxTE_MULTILINE) { return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text)); } else { return gtk_editable_get_editable(GTK_EDITABLE(m_text)); } #else return GTK_EDITABLE(m_text)->editable; #endif } bool wxTextCtrl::IsModified() const { return m_modified; } void wxTextCtrl::Clear() { SetValue( wxT("") ); } void wxTextCtrl::OnChar( wxKeyEvent &key_event ) { wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); if ((key_event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER)) { wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); event.SetEventObject(this); event.SetString(GetValue()); if (GetEventHandler()->ProcessEvent(event)) return; } if ((key_event.GetKeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE)) { // 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); } bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window ) { if (m_windowStyle & wxTE_MULTILINE) { #ifdef __WXGTK20__ return window == gtk_text_view_get_window( GTK_TEXT_VIEW( m_text ), GTK_TEXT_WINDOW_TEXT ); // pure guesswork #else return (window == GTK_TEXT(m_text)->text_area); #endif } else { return (window == 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 ( m_windowStyle & wxTE_MULTILINE ) { 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 #ifndef __WXGTK20__ wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE) && m_updateFont, _T("shouldn't be called for single line controls") ); #else wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE), _T("shouldn't be called for single line controls") ); #endif wxString value = GetValue(); if ( !value.empty() ) { SetUpdateFont(false); Clear(); AppendText(value); } } #ifndef __WXGTK20__ void wxTextCtrl::UpdateFontIfNeeded() { if ( m_updateFont ) ChangeFontGlobally(); } #endif // GTK+ 1.x 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; #ifndef __WXGTK20__ if (!m_widget->window) return false; #endif if (!m_backgroundColour.Ok()) return false; if (m_windowStyle & wxTE_MULTILINE) { #ifndef __WXGTK20__ GdkWindow *window = GTK_TEXT(m_text)->text_area; if (!window) return false; m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) ); gdk_window_set_background( window, m_backgroundColour.GetColor() ); gdk_window_clear( window ); #endif } // change active background color too m_defaultStyle.SetBackgroundColour( colour ); return true; } bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) { if ( m_windowStyle & wxTE_MULTILINE ) { if ( style.IsDefault() ) { // nothing to do return true; } #ifdef __WXGTK20__ 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_buffer, attr, &starti, &endi ); return true; #else // VERY dirty way to do that - removes the required text and re-adds it // with styling (FIXME) gint l = gtk_text_get_length( GTK_TEXT(m_text) ); wxCHECK_MSG( start >= 0 && end <= l, false, _T("invalid range in wxTextCtrl::SetStyle") ); gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) ); char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end ); wxString tmp(text,*wxConvCurrent); g_free( text ); gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end ); gtk_editable_set_position( GTK_EDITABLE(m_text), start ); #if wxUSE_UNICODE wxWX2MBbuf buf = tmp.mbc_str(); const char *txt = buf; size_t txtlen = strlen(buf); #else const char *txt = tmp; size_t txtlen = tmp.length(); #endif // 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 wxGtkTextInsert(m_text, wxTextAttr::Combine(style, m_defaultStyle, this), txt, txtlen); /* does not seem to help under GTK+ 1.2 !!! gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */ SetInsertionPoint( old_pos ); #endif return true; } else // singe 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() ); } void wxTextCtrl::OnInternalIdle() { wxCursor cursor = m_cursor; if (g_globalCursor.Ok()) cursor = g_globalCursor; if (cursor.Ok()) { #ifndef __WXGTK20__ GdkWindow *window = (GdkWindow*) NULL; if (HasFlag(wxTE_MULTILINE)) window = GTK_TEXT(m_text)->text_area; else window = GTK_ENTRY(m_text)->text_area; if (window) gdk_window_set_cursor( window, cursor.GetCursor() ); if (!g_globalCursor.Ok()) cursor = *wxSTANDARD_CURSOR; window = m_widget->window; if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget))) gdk_window_set_cursor( window, cursor.GetCursor() ); #endif } if (g_delayedFocus == this) { if (GTK_WIDGET_REALIZED(m_widget)) { gtk_widget_grab_focus( m_widget ); g_delayedFocus = NULL; } } if (wxUpdateUIEvent::CanUpdate(this)) UpdateWindowUI(wxUPDATE_UI_FROMIDLE); } 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() { if ( HasFlag(wxTE_MULTILINE) ) { #ifdef __WXGTK20__ if ( !m_frozenness++ ) { // freeze textview updates and remove buffer g_signal_connect( G_OBJECT(m_text), "expose_event", GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this); g_signal_connect( G_OBJECT(m_widget), "expose_event", GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this); gtk_widget_set_sensitive(m_widget, false); g_object_ref(m_buffer); gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), gtk_text_buffer_new(NULL)); } #else gtk_text_freeze(GTK_TEXT(m_text)); #endif } } void wxTextCtrl::Thaw() { if ( HasFlag(wxTE_MULTILINE) ) { #ifdef __WXGTK20__ wxASSERT_MSG( m_frozenness > 0, _T("Thaw() without matching Freeze()") ); if ( !--m_frozenness ) { // 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); } #else GTK_TEXT(m_text)->vadj->value = 0.0; gtk_text_thaw(GTK_TEXT(m_text)); #endif } } // ---------------------------------------------------------------------------- // wxTextUrlEvent passing if style & wxTE_AUTO_URL // ---------------------------------------------------------------------------- #ifdef __WXGTK20__ // 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(!(m_windowStyle & 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); } #endif // gtk2 // ---------------------------------------------------------------------------- // scrolling // ---------------------------------------------------------------------------- GtkAdjustment *wxTextCtrl::GetVAdj() const { if ( !IsMultiLine() ) return NULL; #ifdef __WXGTK20__ return gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget)); #else return GTK_TEXT(m_text)->vadj; #endif } bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff) { float value = adj->value + diff; if ( value < 0 ) value = 0; float upper = adj->upper - adj->page_size; if ( value > upper ) value = upper; // did we noticeably change the scroll position? if ( fabs(adj->value - value) < 0.2 ) { // well, this is what Robert does in wxScrollBar, so it must be good... return false; } adj->value = value; #ifdef __WXGTK20__ gtk_adjustment_value_changed(GTK_ADJUSTMENT(adj)); #else gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed"); #endif return true; } bool wxTextCtrl::ScrollLines(int lines) { GtkAdjustment *adj = GetVAdj(); if ( !adj ) return false; #ifdef __WXGTK20__ int diff = (int)ceil(lines*adj->step_increment); #else // this is hardcoded to 10 in GTK+ 1.2 (great idea) int diff = 10*lines; #endif return DoScroll(adj, diff); } bool wxTextCtrl::ScrollPages(int pages) { GtkAdjustment *adj = GetVAdj(); if ( !adj ) return false; return DoScroll(adj, (int)ceil(pages*adj->page_increment)); } // static wxVisualAttributes wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true); }