1 /////////////////////////////////////////////////////////////////////////////
4 // Author: Robert Roebling
6 // Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
10 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
11 #pragma implementation "textctrl.h"
14 // For compilers that support precompilation, includes "wx.h".
15 #include "wx/wxprec.h"
17 #include "wx/textctrl.h"
21 #include "wx/settings.h"
23 #include "wx/strconv.h"
24 #include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo())
26 #include <sys/types.h>
29 #include <math.h> // for fabs
31 #include "wx/gtk/private.h"
32 #include <gdk/gdkkeysyms.h>
34 //-----------------------------------------------------------------------------
36 //-----------------------------------------------------------------------------
38 extern void wxapp_install_idle_handler();
41 //-----------------------------------------------------------------------------
43 //-----------------------------------------------------------------------------
45 extern bool g_blockEventsOnDrag;
46 extern wxCursor g_globalCursor;
47 extern wxWindowGTK *g_delayedFocus;
49 // ----------------------------------------------------------------------------
51 // ----------------------------------------------------------------------------
54 static void wxGtkTextInsert(GtkWidget *text,
55 GtkTextBuffer *text_buffer,
56 const wxTextAttr& attr,
60 PangoFontDescription *font_description = attr.HasFont()
61 ? attr.GetFont().GetNativeFontInfo()->description
64 GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor()
67 GdkColor *colBg = attr.HasBackgroundColour()
68 ? attr.GetBackgroundColour().GetColor()
72 tag = gtk_text_buffer_create_tag( text_buffer, NULL, "font-desc", font_description,
73 "foreground-gdk", colFg,
74 "background-gdk", colBg, NULL );
77 gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
78 gtk_text_buffer_get_insert (text_buffer) );
80 gtk_text_buffer_insert_with_tags( text_buffer, &iter, buffer, strlen(buffer), tag, NULL );
83 static void wxGtkTextInsert(GtkWidget *text,
84 const wxTextAttr& attr,
88 GdkFont *font = attr.HasFont() ? attr.GetFont().GetInternalFont()
91 GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor()
94 GdkColor *colBg = attr.HasBackgroundColour()
95 ? attr.GetBackgroundColour().GetColor()
98 gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len );
102 // ----------------------------------------------------------------------------
103 // "insert_text" for GtkEntry
104 // ----------------------------------------------------------------------------
107 gtk_insert_text_callback(GtkEditable *editable,
108 const gchar *new_text,
109 gint new_text_length,
114 wxapp_install_idle_handler();
116 // we should only be called if we have a max len limit at all
117 GtkEntry *entry = GTK_ENTRY (editable);
119 wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") );
121 // check that we don't overflow the max length limit
123 // FIXME: this doesn't work when we paste a string which is going to be
125 if ( entry->text_length == entry->text_max_length )
127 // we don't need to run the base class version at all
128 gtk_signal_emit_stop_by_name(GTK_OBJECT(editable), "insert_text");
130 // remember that the next changed signal is to be ignored to avoid
131 // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
132 win->IgnoreNextTextUpdate();
134 // and generate the correct one ourselves
135 wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId());
136 event.SetEventObject(win);
137 event.SetString(win->GetValue());
138 win->GetEventHandler()->ProcessEvent( event );
142 //-----------------------------------------------------------------------------
144 //-----------------------------------------------------------------------------
147 gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
149 if ( win->IgnoreTextUpdate() )
152 if (!win->m_hasVMT) return;
155 wxapp_install_idle_handler();
158 win->UpdateFontIfNeeded();
160 wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
161 event.SetEventObject( win );
162 event.SetString( win->GetValue() );
163 win->GetEventHandler()->ProcessEvent( event );
166 //-----------------------------------------------------------------------------
167 // "changed" from vertical scrollbar
168 //-----------------------------------------------------------------------------
172 gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
174 if (!win->m_hasVMT) return;
177 wxapp_install_idle_handler();
179 win->CalculateScrollbar();
183 // ----------------------------------------------------------------------------
184 // redraw callback for multiline text
185 // ----------------------------------------------------------------------------
189 // redrawing a GtkText from inside a wxYield() call results in crashes (the
190 // text sample shows it in its "Add lines" command which shows wxProgressDialog
191 // which implicitly calls wxYield()) so we override GtkText::draw() and simply
192 // don't do anything if we're inside wxYield()
194 extern bool wxIsInsideYield;
197 typedef void (*GtkDrawCallback)(GtkWidget *widget, GdkRectangle *rect);
200 static GtkDrawCallback gs_gtk_text_draw = NULL;
203 void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect)
205 if ( !wxIsInsideYield )
207 wxCHECK_RET( gs_gtk_text_draw != wxgtk_text_draw,
208 _T("infinite recursion in wxgtk_text_draw aborted") );
210 gs_gtk_text_draw(widget, rect);
214 #endif // __WXGTK20__
216 //-----------------------------------------------------------------------------
218 //-----------------------------------------------------------------------------
220 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
222 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
223 EVT_CHAR(wxTextCtrl::OnChar)
225 EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
226 EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
227 EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
228 EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
229 EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
231 EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
232 EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
233 EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
234 EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
235 EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
238 void wxTextCtrl::Init()
242 m_updateFont = FALSE;
244 m_vScrollbar = (GtkWidget *)NULL;
247 wxTextCtrl::wxTextCtrl( wxWindow *parent,
249 const wxString &value,
253 const wxValidator& validator,
254 const wxString &name )
258 Create( parent, id, value, pos, size, style, validator, name );
261 bool wxTextCtrl::Create( wxWindow *parent,
263 const wxString &value,
267 const wxValidator& validator,
268 const wxString &name )
271 m_acceptsFocus = TRUE;
273 if (!PreCreation( parent, pos, size ) ||
274 !CreateBase( parent, id, pos, size, style, validator, name ))
276 wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
281 m_vScrollbarVisible = FALSE;
283 bool multi_line = (style & wxTE_MULTILINE) != 0;
286 GtkTextBuffer *buffer = NULL;
293 m_text = gtk_text_view_new();
295 buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
297 // create scrolled window
298 m_widget = gtk_scrolled_window_new( NULL, NULL );
299 gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
300 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
302 // Insert view into scrolled window
303 gtk_container_add( GTK_CONTAINER(m_widget), m_text );
305 // Global settings which can be overridden by tags, I guess.
306 if (HasFlag( wxHSCROLL ))
307 gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), GTK_WRAP_NONE );
309 gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), GTK_WRAP_WORD );
311 if (!HasFlag(wxNO_BORDER))
312 gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN );
314 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
316 // create our control ...
317 m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
319 // ... and put into the upper left hand corner of the table
320 bool bHasHScrollbar = FALSE;
321 m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
322 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
323 gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
324 (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
325 (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
329 gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE );
331 // finally, put the vertical scrollbar in the upper right corner
332 m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj );
333 GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS );
334 gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1,
336 (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
342 // a single-line text control: no need for scrollbars
344 m_text = gtk_entry_new();
347 m_parent->DoAddChild( this );
349 m_focusWidget = m_text;
354 wxSize size_best( DoGetBestSize() );
355 wxSize new_size( size );
356 if (new_size.x == -1)
357 new_size.x = size_best.x;
358 if (new_size.y == -1)
359 new_size.y = size_best.y;
360 if ((new_size.x != size.x) || (new_size.y != size.y))
361 SetSize( new_size.x, new_size.y );
364 gtk_widget_show(m_text);
369 gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
370 (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );
372 // only initialize gs_gtk_text_draw once, starting from the next the
373 // klass::draw will already be wxgtk_text_draw
374 if ( !gs_gtk_text_draw )
377 draw = GTK_WIDGET_CLASS(GTK_OBJECT(m_text)->klass)->draw;
379 gs_gtk_text_draw = draw;
381 draw = wxgtk_text_draw;
386 if (!value.IsEmpty())
392 #if !GTK_CHECK_VERSION(1, 2, 0)
393 // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in
394 // gtk_editable_insert_text()
395 gtk_widget_realize(m_text);
400 wxWX2MBbuf val = value.mbc_str();
401 gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp );
403 gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
408 // Bring editable's cursor uptodate. Bug in GTK.
409 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
415 if (style & wxTE_PASSWORD)
418 gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
421 if (style & wxTE_READONLY)
424 gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE );
427 gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE);
434 gtk_text_set_editable( GTK_TEXT(m_text), 1 );
438 // We want to be notified about text changes.
442 g_signal_connect( G_OBJECT(buffer), "changed",
443 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
448 gtk_signal_connect( GTK_OBJECT(m_text), "changed",
449 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
452 // we don't set a valid background colour, because the window
453 // manager should use a default one
454 m_backgroundColour = wxColour();
456 wxColour colFg = parent->GetForegroundColour();
457 SetForegroundColour( colFg );
459 m_cursor = wxCursor( wxCURSOR_IBEAM );
461 wxTextAttr attrDef( colFg, m_backgroundColour, parent->GetFont() );
462 SetDefaultStyle( attrDef );
469 void wxTextCtrl::CalculateScrollbar()
472 if ((m_windowStyle & wxTE_MULTILINE) == 0) return;
474 GtkAdjustment *adj = GTK_TEXT(m_text)->vadj;
476 if (adj->upper - adj->page_size < 0.8)
478 if (m_vScrollbarVisible)
480 gtk_widget_hide( m_vScrollbar );
481 m_vScrollbarVisible = FALSE;
486 if (!m_vScrollbarVisible)
488 gtk_widget_show( m_vScrollbar );
489 m_vScrollbarVisible = TRUE;
495 wxString wxTextCtrl::GetValue() const
497 wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") );
500 if (m_windowStyle & wxTE_MULTILINE)
503 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
506 gtk_text_buffer_get_start_iter( text_buffer, &start );
508 gtk_text_buffer_get_end_iter( text_buffer, &end );
509 gchar *text = gtk_text_buffer_get_text( text_buffer, &start, &end, TRUE );
512 wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) );
514 wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) );
520 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
521 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
528 tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) );
534 void wxTextCtrl::SetValue( const wxString &value )
536 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
538 if (m_windowStyle & wxTE_MULTILINE)
543 wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) );
545 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) );
547 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
548 gtk_text_buffer_set_text( text_buffer, buffer, strlen(buffer) );
551 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
552 gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len );
554 gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len );
559 gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) );
562 // GRG, Jun/2000: Changed this after a lot of discussion in
563 // the lists. wxWindows 2.2 will have a set of flags to
564 // customize this behaviour.
565 SetInsertionPoint(0);
570 void wxTextCtrl::WriteText( const wxString &text )
572 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
577 if ( m_windowStyle & wxTE_MULTILINE )
582 wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
584 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
586 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
588 // TODO: Call whatever is needed to delete the selection.
589 wxGtkTextInsert( m_text, text_buffer, m_defaultStyle, buffer );
591 GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
592 // Scroll to cursor, but only if scrollbar thumb is at the very bottom
593 if ( adj->value == adj->upper - adj->page_size )
595 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
596 gtk_text_buffer_get_insert( text_buffer ), 0.0, FALSE, 0.0, 1.0 );
599 // After cursor movements, gtk_text_get_point() is wrong by one.
600 gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) );
602 // always use m_defaultStyle, even if it is empty as otherwise
603 // resetting the style and appending some more text wouldn't work: if
604 // we don't specify the style explicitly, the old style would be used
605 gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
606 wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.Len());
608 // we called wxGtkTextInsert with correct font, no need to do anything
609 // in UpdateFontIfNeeded() any longer
612 m_updateFont = FALSE;
615 // Bring editable's cursor back uptodate.
616 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
617 #endif // GTK 1.x/2.0
621 // First remove the selection if there is one
622 gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
624 // This moves the cursor pos to behind the inserted text.
625 gint len = GET_EDITABLE_POS(m_text);
630 wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
632 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
634 gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
637 gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len );
640 // Bring entry's cursor uptodate.
641 gtk_entry_set_position( GTK_ENTRY(m_text), len );
647 void wxTextCtrl::AppendText( const wxString &text )
649 SetInsertionPointEnd();
653 wxString wxTextCtrl::GetLineText( long lineNo ) const
655 if (m_windowStyle & wxTE_MULTILINE)
658 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
659 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
663 wxString buf(wxT(""));
666 for (i = 0; currentLine != lineNo && text[i]; i++ )
671 for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
679 return wxEmptyString;
682 GtkTextBuffer *text_buffer;
683 text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(m_text));
685 gtk_text_buffer_get_iter_at_line(text_buffer,&line,lineNo);
687 gtk_text_buffer_get_end_iter(text_buffer,&end );
688 gchar *text = gtk_text_buffer_get_text(text_buffer,&line,&end,TRUE);
689 wxString result(wxGTK_CONV_BACK(text));
691 return result.BeforeFirst(wxT('\n'));
696 if (lineNo == 0) return GetValue();
697 return wxEmptyString;
701 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
703 /* If you implement this, don't forget to update the documentation!
704 * (file docs/latex/wx/text.tex) */
705 wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
708 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
710 if ( m_windowStyle & wxTE_MULTILINE )
712 wxString text = GetValue();
714 // cast to prevent warning. But pos really should've been unsigned.
715 if( (unsigned long)pos > text.Len() )
721 const wxChar* stop = text.c_str() + pos;
722 for ( const wxChar *p = text.c_str(); p < stop; p++ )
733 else // single line control
735 if ( pos <= GTK_ENTRY(m_text)->text_length )
742 // index out of bounds
750 long wxTextCtrl::XYToPosition(long x, long y ) const
752 if (!(m_windowStyle & wxTE_MULTILINE)) return 0;
755 for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n'
761 int wxTextCtrl::GetLineLength(long lineNo) const
763 wxString str = GetLineText (lineNo);
764 return (int) str.Length();
767 int wxTextCtrl::GetNumberOfLines() const
769 if (m_windowStyle & wxTE_MULTILINE)
772 GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
774 return gtk_text_buffer_get_line_count( buffer );
776 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
777 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
782 for (int i = 0; i < len; i++ )
789 // currentLine is 0 based, add 1 to get number of lines
790 return currentLine + 1;
804 void wxTextCtrl::SetInsertionPoint( long pos )
806 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
808 if (m_windowStyle & wxTE_MULTILINE)
811 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
813 gtk_text_buffer_get_iter_at_offset( text_buffer, &iter, pos );
814 gtk_text_buffer_place_cursor( text_buffer, &iter );
816 gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
817 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
819 /* we fake a set_point by inserting and deleting. as the user
820 isn't supposed to get to know about this non-sense, we
821 disconnect so that no events are sent to the user program. */
823 gint tmp = (gint)pos;
824 gtk_editable_insert_text( GTK_EDITABLE(m_text), " ", 1, &tmp );
825 gtk_editable_delete_text( GTK_EDITABLE(m_text), tmp-1, tmp );
827 gtk_signal_connect( GTK_OBJECT(m_text), "changed",
828 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
830 // bring editable's cursor uptodate. Bug in GTK.
831 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
836 gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos );
838 // Bring editable's cursor uptodate. Bug in GTK.
839 SET_EDITABLE_POS(m_text, (guint32)pos);
843 void wxTextCtrl::SetInsertionPointEnd()
845 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
847 if (m_windowStyle & wxTE_MULTILINE)
850 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
852 gtk_text_buffer_get_end_iter( text_buffer, &end );
853 gtk_text_buffer_place_cursor( text_buffer, &end );
855 SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text)));
860 gtk_entry_set_position( GTK_ENTRY(m_text), -1 );
864 void wxTextCtrl::SetEditable( bool editable )
866 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
868 if (m_windowStyle & wxTE_MULTILINE)
871 gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
873 gtk_text_set_editable( GTK_TEXT(m_text), editable );
878 gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
882 bool wxTextCtrl::Enable( bool enable )
884 if (!wxWindowBase::Enable(enable))
890 if (m_windowStyle & wxTE_MULTILINE)
893 SetEditable( enable );
895 gtk_text_set_editable( GTK_TEXT(m_text), enable );
896 OnParentEnable(enable);
901 gtk_widget_set_sensitive( m_text, enable );
907 // wxGTK-specific: called recursively by Enable,
908 // to give widgets an oppprtunity to correct their colours after they
909 // have been changed by Enable
910 void wxTextCtrl::OnParentEnable( bool enable )
912 // If we have a custom background colour, we use this colour in both
913 // disabled and enabled mode, or we end up with a different colour under the
915 wxColour oldColour = GetBackgroundColour();
918 // Need to set twice or it'll optimize the useful stuff out
919 if (oldColour == * wxWHITE)
920 SetBackgroundColour(*wxBLACK);
922 SetBackgroundColour(*wxWHITE);
923 SetBackgroundColour(oldColour);
927 void wxTextCtrl::MarkDirty()
932 void wxTextCtrl::DiscardEdits()
937 // ----------------------------------------------------------------------------
938 // max text length support
939 // ----------------------------------------------------------------------------
941 void wxTextCtrl::IgnoreNextTextUpdate()
943 m_ignoreNextUpdate = TRUE;
946 bool wxTextCtrl::IgnoreTextUpdate()
948 if ( m_ignoreNextUpdate )
950 m_ignoreNextUpdate = FALSE;
958 void wxTextCtrl::SetMaxLength(unsigned long len)
960 if ( !HasFlag(wxTE_MULTILINE) )
962 gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
964 // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
965 // we had tried to enter more text than allowed by max text length and
966 // the text wasn't really changed
968 // to detect this and generate TEXT_MAXLEN event instead of
969 // TEXT_CHANGED one in this case we also catch "insert_text" signal
971 // when max len is set to 0 we disconnect our handler as it means that
972 // we shouldn't check anything any more
975 gtk_signal_connect( GTK_OBJECT(m_text),
977 GTK_SIGNAL_FUNC(gtk_insert_text_callback),
982 gtk_signal_disconnect_by_func
985 GTK_SIGNAL_FUNC(gtk_insert_text_callback),
992 void wxTextCtrl::SetSelection( long from, long to )
994 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
996 if (from == -1 && to == -1)
999 to = GetValue().Length();
1003 if ( (m_windowStyle & wxTE_MULTILINE) &&
1004 !GTK_TEXT(m_text)->line_start_cache )
1006 // tell the programmer that it didn't work
1007 wxLogDebug(_T("Can't call SetSelection() before realizing the control"));
1012 if (m_windowStyle & wxTE_MULTILINE)
1015 GtkTextBuffer *buf = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
1017 GtkTextIter fromi, toi;
1018 gtk_text_buffer_get_iter_at_offset( buf, &fromi, from );
1019 gtk_text_buffer_get_iter_at_offset( buf, &toi, to );
1021 gtk_text_buffer_place_cursor( buf, &toi );
1022 gtk_text_buffer_move_mark_by_name( buf, "selection_bound", &fromi );
1024 gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1029 gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1033 void wxTextCtrl::ShowPosition( long pos )
1035 if (m_windowStyle & wxTE_MULTILINE)
1038 GtkTextBuffer *buf = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
1040 gtk_text_buffer_get_start_iter( buf, &iter );
1041 gtk_text_iter_set_offset( &iter, pos );
1042 GtkTextMark *mark = gtk_text_buffer_create_mark( buf, NULL, &iter, TRUE );
1043 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 );
1045 GtkAdjustment *vp = GTK_TEXT(m_text)->vadj;
1046 float totalLines = (float) GetNumberOfLines();
1049 PositionToXY(pos, &posX, &posY);
1050 float posLine = (float) posY;
1051 float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower;
1052 gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p);
1053 #endif // GTK 1.x/2.x
1057 long wxTextCtrl::GetInsertionPoint() const
1059 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1062 if (m_windowStyle & wxTE_MULTILINE)
1064 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
1066 // There is no direct accessor for the cursor, but
1067 // internally, the cursor is the "mark" called
1068 // "insert" in the text view's btree structure.
1070 GtkTextMark *mark = gtk_text_buffer_get_insert( text_buffer );
1072 gtk_text_buffer_get_iter_at_mark( text_buffer, &cursor, mark );
1074 return gtk_text_iter_get_offset( &cursor );
1079 return (long) GET_EDITABLE_POS(m_text);
1083 long wxTextCtrl::GetLastPosition() const
1085 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1089 if (m_windowStyle & wxTE_MULTILINE)
1092 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
1094 gtk_text_buffer_get_end_iter( text_buffer, &end );
1096 pos = gtk_text_iter_get_offset( &end );
1098 pos = gtk_text_get_length( GTK_TEXT(m_text) );
1103 pos = GTK_ENTRY(m_text)->text_length;
1109 void wxTextCtrl::Remove( long from, long to )
1111 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1114 if (m_windowStyle & wxTE_MULTILINE)
1117 text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
1119 GtkTextIter fromi, toi;
1120 gtk_text_buffer_get_iter_at_offset( text_buffer, &fromi, from );
1121 gtk_text_buffer_get_iter_at_offset( text_buffer, &toi, to );
1123 gtk_text_buffer_delete( text_buffer, &fromi, &toi );
1127 gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1130 void wxTextCtrl::Replace( long from, long to, const wxString &value )
1132 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1136 if (!value.IsEmpty())
1139 SetInsertionPoint( from );
1142 gint pos = (gint)from;
1144 wxWX2MBbuf buf = value.mbc_str();
1145 gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos );
1147 gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
1148 #endif // wxUSE_UNICODE
1149 #endif // GTK 1.x/2.x
1153 void wxTextCtrl::Cut()
1155 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1158 gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG );
1162 void wxTextCtrl::Copy()
1164 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1167 gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG );
1171 void wxTextCtrl::Paste()
1173 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1176 gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG );
1181 void wxTextCtrl::Undo()
1184 wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
1187 void wxTextCtrl::Redo()
1190 wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
1193 bool wxTextCtrl::CanUndo() const
1196 //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
1200 bool wxTextCtrl::CanRedo() const
1203 //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
1207 // If the return values from and to are the same, there is no
1209 void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1211 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1215 bool haveSelection = FALSE;
1218 if (m_windowStyle & wxTE_MULTILINE)
1220 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (m_text));
1221 GtkTextIter ifrom, ito;
1222 if ( gtk_text_buffer_get_selection_bounds(buffer, &ifrom, &ito) )
1224 haveSelection = TRUE;
1225 from = gtk_text_iter_get_offset(&ifrom);
1226 to = gtk_text_iter_get_offset(&ito);
1229 else // not multi-line
1231 if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
1234 haveSelection = TRUE;
1238 if ( (GTK_EDITABLE(m_text)->has_selection) )
1240 haveSelection = TRUE;
1241 from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
1242 to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
1246 if (! haveSelection )
1247 from = to = GetInsertionPoint();
1251 // exchange them to be compatible with wxMSW
1264 bool wxTextCtrl::IsEditable() const
1266 wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
1269 if (m_windowStyle & wxTE_MULTILINE)
1271 return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1275 return gtk_editable_get_editable(GTK_EDITABLE(m_text));
1278 return GTK_EDITABLE(m_text)->editable;
1282 bool wxTextCtrl::IsModified() const
1287 void wxTextCtrl::Clear()
1289 SetValue( wxT("") );
1292 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1294 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1296 if ((key_event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
1298 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1299 event.SetEventObject(this);
1300 event.SetString(GetValue());
1301 if (GetEventHandler()->ProcessEvent(event)) return;
1304 if ((key_event.GetKeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
1306 // This will invoke the dialog default action, such
1307 // as the clicking the default button.
1309 wxWindow *top_frame = m_parent;
1310 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1311 top_frame = top_frame->GetParent();
1313 if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1315 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1317 if (window->default_widget)
1319 gtk_widget_activate (window->default_widget);
1328 GtkWidget* wxTextCtrl::GetConnectWidget()
1330 return GTK_WIDGET(m_text);
1333 bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
1335 if (m_windowStyle & wxTE_MULTILINE)
1338 return window == gtk_text_view_get_window( GTK_TEXT_VIEW( m_text ), GTK_TEXT_WINDOW_TEXT ); // pure guesswork
1340 return (window == GTK_TEXT(m_text)->text_area);
1345 return (window == GTK_ENTRY(m_text)->text_area);
1349 // the font will change for subsequent text insertiongs
1350 bool wxTextCtrl::SetFont( const wxFont &font )
1352 wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
1354 if ( !wxTextCtrlBase::SetFont(font) )
1356 // font didn't change, nothing to do
1360 if ( m_windowStyle & wxTE_MULTILINE )
1362 m_updateFont = TRUE;
1364 m_defaultStyle.SetFont(font);
1366 ChangeFontGlobally();
1372 void wxTextCtrl::ChangeFontGlobally()
1374 // this method is very inefficient and hence should be called as rarely as
1376 wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE) && m_updateFont,
1377 _T("shouldn't be called for single line controls") );
1379 wxString value = GetValue();
1380 if ( !value.IsEmpty() )
1382 m_updateFont = FALSE;
1389 void wxTextCtrl::UpdateFontIfNeeded()
1392 ChangeFontGlobally();
1395 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1397 if ( !wxControl::SetForegroundColour(colour) )
1400 // update default fg colour too
1401 m_defaultStyle.SetTextColour(colour);
1406 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1408 wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
1410 if ( !wxControl::SetBackgroundColour( colour ) )
1413 if (!m_widget->window)
1416 wxColour sysbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
1417 if (sysbg.Red() == colour.Red() &&
1418 sysbg.Green() == colour.Green() &&
1419 sysbg.Blue() == colour.Blue())
1421 return FALSE; // FIXME or TRUE?
1424 if (!m_backgroundColour.Ok())
1427 if (m_windowStyle & wxTE_MULTILINE)
1430 GdkWindow *window = GTK_TEXT(m_text)->text_area;
1433 m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
1434 gdk_window_set_background( window, m_backgroundColour.GetColor() );
1435 gdk_window_clear( window );
1439 // change active background color too
1440 m_defaultStyle.SetBackgroundColour( colour );
1445 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1447 if ( m_windowStyle & wxTE_MULTILINE )
1449 if ( style.IsDefault() )
1455 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
1456 gint l = gtk_text_buffer_get_char_count( text_buffer );
1458 wxCHECK_MSG( start >= 0 && end <= l, FALSE,
1459 _T("invalid range in wxTextCtrl::SetStyle") );
1461 GtkTextIter starti, endi;
1462 gtk_text_buffer_get_iter_at_offset( text_buffer, &starti, start );
1463 gtk_text_buffer_get_iter_at_offset( text_buffer, &endi, end );
1465 // use the attributes from style which are set in it and fall back
1466 // first to the default style and then to the text control default
1467 // colours for the others
1468 wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this);
1470 PangoFontDescription *font_description = attr.HasFont()
1471 ? attr.GetFont().GetNativeFontInfo()->description
1474 GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor()
1477 GdkColor *colBg = attr.HasBackgroundColour()
1478 ? attr.GetBackgroundColour().GetColor()
1482 tag = gtk_text_buffer_create_tag( text_buffer, NULL, "font-desc", font_description,
1483 "foreground-gdk", colFg,
1484 "background-gdk", colBg, NULL );
1485 gtk_text_buffer_apply_tag( text_buffer, tag, &starti, &endi );
1489 // VERY dirty way to do that - removes the required text and re-adds it
1490 // with styling (FIXME)
1492 gint l = gtk_text_get_length( GTK_TEXT(m_text) );
1494 wxCHECK_MSG( start >= 0 && end <= l, FALSE,
1495 _T("invalid range in wxTextCtrl::SetStyle") );
1497 gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) );
1498 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end );
1499 wxString tmp(text,*wxConvCurrent);
1502 gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end );
1503 gtk_editable_set_position( GTK_EDITABLE(m_text), start );
1506 wxWX2MBbuf buf = tmp.mbc_str();
1507 const char *txt = buf;
1508 size_t txtlen = strlen(buf);
1510 const char *txt = tmp;
1511 size_t txtlen = tmp.length();
1514 // use the attributes from style which are set in it and fall back
1515 // first to the default style and then to the text control default
1516 // colours for the others
1517 wxGtkTextInsert(m_text,
1518 wxTextAttr::Combine(style, m_defaultStyle, this),
1522 /* does not seem to help under GTK+ 1.2 !!!
1523 gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */
1524 SetInsertionPoint( old_pos );
1530 // cannot do this for GTK+'s Entry widget
1535 void wxTextCtrl::ApplyWidgetStyle()
1537 if (m_windowStyle & wxTE_MULTILINE)
1544 gtk_widget_set_style( m_text, m_widgetStyle );
1548 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1553 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1558 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1563 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1568 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1573 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1575 event.Enable( CanCut() );
1578 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1580 event.Enable( CanCopy() );
1583 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1585 event.Enable( CanPaste() );
1588 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1590 event.Enable( CanUndo() );
1593 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1595 event.Enable( CanRedo() );
1598 void wxTextCtrl::OnInternalIdle()
1600 wxCursor cursor = m_cursor;
1601 if (g_globalCursor.Ok()) cursor = g_globalCursor;
1606 GdkWindow *window = (GdkWindow*) NULL;
1607 if (HasFlag(wxTE_MULTILINE))
1608 window = GTK_TEXT(m_text)->text_area;
1610 window = GTK_ENTRY(m_text)->text_area;
1613 gdk_window_set_cursor( window, cursor.GetCursor() );
1615 if (!g_globalCursor.Ok())
1616 cursor = *wxSTANDARD_CURSOR;
1618 window = m_widget->window;
1619 if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget)))
1620 gdk_window_set_cursor( window, cursor.GetCursor() );
1624 if (g_delayedFocus == this)
1626 if (GTK_WIDGET_REALIZED(m_widget))
1628 gtk_widget_grab_focus( m_widget );
1629 g_delayedFocus = NULL;
1633 if (wxUpdateUIEvent::CanUpdate(this))
1634 UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1637 wxSize wxTextCtrl::DoGetBestSize() const
1639 // FIXME should be different for multi-line controls...
1640 wxSize ret( wxControl::DoGetBestSize() );
1641 return wxSize(80, ret.y);
1644 // ----------------------------------------------------------------------------
1646 // ----------------------------------------------------------------------------
1648 void wxTextCtrl::Freeze()
1651 if ( HasFlag(wxTE_MULTILINE) )
1653 gtk_text_freeze(GTK_TEXT(m_text));
1658 void wxTextCtrl::Thaw()
1661 if ( HasFlag(wxTE_MULTILINE) )
1663 GTK_TEXT(m_text)->vadj->value = 0.0;
1665 gtk_text_thaw(GTK_TEXT(m_text));
1670 // ----------------------------------------------------------------------------
1672 // ----------------------------------------------------------------------------
1674 GtkAdjustment *wxTextCtrl::GetVAdj() const
1679 return HasFlag(wxTE_MULTILINE) ? GTK_TEXT(m_text)->vadj : NULL;
1683 bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff)
1686 float value = adj->value + diff;
1691 float upper = adj->upper - adj->page_size;
1692 if ( value > upper )
1695 // did we noticeably change the scroll position?
1696 if ( fabs(adj->value - value) < 0.2 )
1698 // well, this is what Robert does in wxScrollBar, so it must be good...
1704 gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed");
1710 bool wxTextCtrl::ScrollLines(int lines)
1715 GtkAdjustment *adj = GetVAdj();
1719 // this is hardcoded to 10 in GTK+ 1.2 (great idea)
1720 static const int KEY_SCROLL_PIXELS = 10;
1722 return DoScroll(adj, lines*KEY_SCROLL_PIXELS);
1726 bool wxTextCtrl::ScrollPages(int pages)
1731 GtkAdjustment *adj = GetVAdj();
1735 return DoScroll(adj, (int)ceil(pages*adj->page_increment));