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 ) || HasFlag( wxTE_DONTWRAP ))
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 gtk_widget_show(m_text);
359 gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
360 (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );
362 // only initialize gs_gtk_text_draw once, starting from the next the
363 // klass::draw will already be wxgtk_text_draw
364 if ( !gs_gtk_text_draw )
367 draw = GTK_WIDGET_CLASS(GTK_OBJECT(m_text)->klass)->draw;
369 gs_gtk_text_draw = draw;
371 draw = wxgtk_text_draw;
376 if (!value.IsEmpty())
382 #if !GTK_CHECK_VERSION(1, 2, 0)
383 // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in
384 // gtk_editable_insert_text()
385 gtk_widget_realize(m_text);
390 wxWX2MBbuf val = value.mbc_str();
391 gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp );
393 gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
398 // Bring editable's cursor uptodate. Bug in GTK.
399 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
405 if (style & wxTE_PASSWORD)
408 gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
411 if (style & wxTE_READONLY)
414 gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE );
417 gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE);
423 gtk_text_set_editable( GTK_TEXT(m_text), 1 );
428 // We want to be notified about text changes.
432 g_signal_connect( G_OBJECT(buffer), "changed",
433 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
439 gtk_signal_connect( GTK_OBJECT(m_text), "changed",
440 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
443 m_cursor = wxCursor( wxCURSOR_IBEAM );
445 wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
446 SetDefaultStyle( attrDef );
452 void wxTextCtrl::CalculateScrollbar()
455 if ((m_windowStyle & wxTE_MULTILINE) == 0) return;
457 GtkAdjustment *adj = GTK_TEXT(m_text)->vadj;
459 if (adj->upper - adj->page_size < 0.8)
461 if (m_vScrollbarVisible)
463 gtk_widget_hide( m_vScrollbar );
464 m_vScrollbarVisible = FALSE;
469 if (!m_vScrollbarVisible)
471 gtk_widget_show( m_vScrollbar );
472 m_vScrollbarVisible = TRUE;
478 wxString wxTextCtrl::GetValue() const
480 wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") );
483 if (m_windowStyle & wxTE_MULTILINE)
486 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
489 gtk_text_buffer_get_start_iter( text_buffer, &start );
491 gtk_text_buffer_get_end_iter( text_buffer, &end );
492 gchar *text = gtk_text_buffer_get_text( text_buffer, &start, &end, TRUE );
495 wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) );
497 wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) );
503 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
504 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
511 tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) );
517 void wxTextCtrl::SetValue( const wxString &value )
519 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
521 if (m_windowStyle & wxTE_MULTILINE)
526 wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) );
528 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) );
530 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
531 gtk_text_buffer_set_text( text_buffer, buffer, strlen(buffer) );
534 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
535 gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len );
537 gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len );
542 gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) );
545 // GRG, Jun/2000: Changed this after a lot of discussion in
546 // the lists. wxWindows 2.2 will have a set of flags to
547 // customize this behaviour.
548 SetInsertionPoint(0);
553 void wxTextCtrl::WriteText( const wxString &text )
555 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
560 if ( m_windowStyle & wxTE_MULTILINE )
565 wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
567 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
569 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
571 // TODO: Call whatever is needed to delete the selection.
572 wxGtkTextInsert( m_text, text_buffer, m_defaultStyle, buffer );
574 GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
575 // Scroll to cursor, but only if scrollbar thumb is at the very bottom
576 if ( adj->value == adj->upper - adj->page_size )
578 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
579 gtk_text_buffer_get_insert( text_buffer ), 0.0, FALSE, 0.0, 1.0 );
582 // After cursor movements, gtk_text_get_point() is wrong by one.
583 gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) );
585 // always use m_defaultStyle, even if it is empty as otherwise
586 // resetting the style and appending some more text wouldn't work: if
587 // we don't specify the style explicitly, the old style would be used
588 gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
589 wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.Len());
591 // we called wxGtkTextInsert with correct font, no need to do anything
592 // in UpdateFontIfNeeded() any longer
595 m_updateFont = FALSE;
598 // Bring editable's cursor back uptodate.
599 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
600 #endif // GTK 1.x/2.0
604 // First remove the selection if there is one
605 gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
607 // This moves the cursor pos to behind the inserted text.
608 gint len = GET_EDITABLE_POS(m_text);
613 wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
615 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
617 gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
620 gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len );
623 // Bring entry's cursor uptodate.
624 gtk_entry_set_position( GTK_ENTRY(m_text), len );
630 void wxTextCtrl::AppendText( const wxString &text )
632 SetInsertionPointEnd();
636 wxString wxTextCtrl::GetLineText( long lineNo ) const
638 if (m_windowStyle & wxTE_MULTILINE)
641 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
642 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
646 wxString buf(wxT(""));
649 for (i = 0; currentLine != lineNo && text[i]; i++ )
654 for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
662 return wxEmptyString;
665 GtkTextBuffer *text_buffer;
666 text_buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(m_text));
668 gtk_text_buffer_get_iter_at_line(text_buffer,&line,lineNo);
670 gtk_text_buffer_get_end_iter(text_buffer,&end );
671 gchar *text = gtk_text_buffer_get_text(text_buffer,&line,&end,TRUE);
672 wxString result(wxGTK_CONV_BACK(text));
674 return result.BeforeFirst(wxT('\n'));
679 if (lineNo == 0) return GetValue();
680 return wxEmptyString;
684 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
686 /* If you implement this, don't forget to update the documentation!
687 * (file docs/latex/wx/text.tex) */
688 wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
691 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
693 if ( m_windowStyle & wxTE_MULTILINE )
695 wxString text = GetValue();
697 // cast to prevent warning. But pos really should've been unsigned.
698 if( (unsigned long)pos > text.Len() )
704 const wxChar* stop = text.c_str() + pos;
705 for ( const wxChar *p = text.c_str(); p < stop; p++ )
716 else // single line control
718 if ( pos <= GTK_ENTRY(m_text)->text_length )
725 // index out of bounds
733 long wxTextCtrl::XYToPosition(long x, long y ) const
735 if (!(m_windowStyle & wxTE_MULTILINE)) return 0;
738 for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n'
744 int wxTextCtrl::GetLineLength(long lineNo) const
746 wxString str = GetLineText (lineNo);
747 return (int) str.Length();
750 int wxTextCtrl::GetNumberOfLines() const
752 if (m_windowStyle & wxTE_MULTILINE)
755 GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
757 return gtk_text_buffer_get_line_count( buffer );
759 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
760 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
765 for (int i = 0; i < len; i++ )
772 // currentLine is 0 based, add 1 to get number of lines
773 return currentLine + 1;
787 void wxTextCtrl::SetInsertionPoint( long pos )
789 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
791 if (m_windowStyle & wxTE_MULTILINE)
794 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
796 gtk_text_buffer_get_iter_at_offset( text_buffer, &iter, pos );
797 gtk_text_buffer_place_cursor( text_buffer, &iter );
799 gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
800 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
802 /* we fake a set_point by inserting and deleting. as the user
803 isn't supposed to get to know about this non-sense, we
804 disconnect so that no events are sent to the user program. */
806 gint tmp = (gint)pos;
807 gtk_editable_insert_text( GTK_EDITABLE(m_text), " ", 1, &tmp );
808 gtk_editable_delete_text( GTK_EDITABLE(m_text), tmp-1, tmp );
810 gtk_signal_connect( GTK_OBJECT(m_text), "changed",
811 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
813 // bring editable's cursor uptodate. Bug in GTK.
814 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
819 gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos );
821 // Bring editable's cursor uptodate. Bug in GTK.
822 SET_EDITABLE_POS(m_text, (guint32)pos);
826 void wxTextCtrl::SetInsertionPointEnd()
828 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
830 if (m_windowStyle & wxTE_MULTILINE)
833 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
835 gtk_text_buffer_get_end_iter( text_buffer, &end );
836 gtk_text_buffer_place_cursor( text_buffer, &end );
838 SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text)));
843 gtk_entry_set_position( GTK_ENTRY(m_text), -1 );
847 void wxTextCtrl::SetEditable( bool editable )
849 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
851 if (m_windowStyle & wxTE_MULTILINE)
854 gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
856 gtk_text_set_editable( GTK_TEXT(m_text), editable );
861 gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
865 bool wxTextCtrl::Enable( bool enable )
867 if (!wxWindowBase::Enable(enable))
873 if (m_windowStyle & wxTE_MULTILINE)
876 SetEditable( enable );
878 gtk_text_set_editable( GTK_TEXT(m_text), enable );
879 OnParentEnable(enable);
884 gtk_widget_set_sensitive( m_text, enable );
890 // wxGTK-specific: called recursively by Enable,
891 // to give widgets an oppprtunity to correct their colours after they
892 // have been changed by Enable
893 void wxTextCtrl::OnParentEnable( bool enable )
895 // If we have a custom background colour, we use this colour in both
896 // disabled and enabled mode, or we end up with a different colour under the
898 wxColour oldColour = GetBackgroundColour();
901 // Need to set twice or it'll optimize the useful stuff out
902 if (oldColour == * wxWHITE)
903 SetBackgroundColour(*wxBLACK);
905 SetBackgroundColour(*wxWHITE);
906 SetBackgroundColour(oldColour);
910 void wxTextCtrl::MarkDirty()
915 void wxTextCtrl::DiscardEdits()
920 // ----------------------------------------------------------------------------
921 // max text length support
922 // ----------------------------------------------------------------------------
924 void wxTextCtrl::IgnoreNextTextUpdate()
926 m_ignoreNextUpdate = TRUE;
929 bool wxTextCtrl::IgnoreTextUpdate()
931 if ( m_ignoreNextUpdate )
933 m_ignoreNextUpdate = FALSE;
941 void wxTextCtrl::SetMaxLength(unsigned long len)
943 if ( !HasFlag(wxTE_MULTILINE) )
945 gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
947 // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
948 // we had tried to enter more text than allowed by max text length and
949 // the text wasn't really changed
951 // to detect this and generate TEXT_MAXLEN event instead of
952 // TEXT_CHANGED one in this case we also catch "insert_text" signal
954 // when max len is set to 0 we disconnect our handler as it means that
955 // we shouldn't check anything any more
958 gtk_signal_connect( GTK_OBJECT(m_text),
960 GTK_SIGNAL_FUNC(gtk_insert_text_callback),
965 gtk_signal_disconnect_by_func
968 GTK_SIGNAL_FUNC(gtk_insert_text_callback),
975 void wxTextCtrl::SetSelection( long from, long to )
977 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
979 if (from == -1 && to == -1)
982 to = GetValue().Length();
986 if ( (m_windowStyle & wxTE_MULTILINE) &&
987 !GTK_TEXT(m_text)->line_start_cache )
989 // tell the programmer that it didn't work
990 wxLogDebug(_T("Can't call SetSelection() before realizing the control"));
995 if (m_windowStyle & wxTE_MULTILINE)
998 GtkTextBuffer *buf = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
1000 GtkTextIter fromi, toi;
1001 gtk_text_buffer_get_iter_at_offset( buf, &fromi, from );
1002 gtk_text_buffer_get_iter_at_offset( buf, &toi, to );
1004 gtk_text_buffer_place_cursor( buf, &toi );
1005 gtk_text_buffer_move_mark_by_name( buf, "selection_bound", &fromi );
1007 gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1012 gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1016 void wxTextCtrl::ShowPosition( long pos )
1018 if (m_windowStyle & wxTE_MULTILINE)
1021 GtkTextBuffer *buf = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
1023 gtk_text_buffer_get_start_iter( buf, &iter );
1024 gtk_text_iter_set_offset( &iter, pos );
1025 GtkTextMark *mark = gtk_text_buffer_create_mark( buf, NULL, &iter, TRUE );
1026 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 );
1028 GtkAdjustment *vp = GTK_TEXT(m_text)->vadj;
1029 float totalLines = (float) GetNumberOfLines();
1032 PositionToXY(pos, &posX, &posY);
1033 float posLine = (float) posY;
1034 float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower;
1035 gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p);
1036 #endif // GTK 1.x/2.x
1040 long wxTextCtrl::GetInsertionPoint() const
1042 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1045 if (m_windowStyle & wxTE_MULTILINE)
1047 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
1049 // There is no direct accessor for the cursor, but
1050 // internally, the cursor is the "mark" called
1051 // "insert" in the text view's btree structure.
1053 GtkTextMark *mark = gtk_text_buffer_get_insert( text_buffer );
1055 gtk_text_buffer_get_iter_at_mark( text_buffer, &cursor, mark );
1057 return gtk_text_iter_get_offset( &cursor );
1062 return (long) GET_EDITABLE_POS(m_text);
1066 long wxTextCtrl::GetLastPosition() const
1068 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1072 if (m_windowStyle & wxTE_MULTILINE)
1075 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
1077 gtk_text_buffer_get_end_iter( text_buffer, &end );
1079 pos = gtk_text_iter_get_offset( &end );
1081 pos = gtk_text_get_length( GTK_TEXT(m_text) );
1086 pos = GTK_ENTRY(m_text)->text_length;
1092 void wxTextCtrl::Remove( long from, long to )
1094 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1097 if (m_windowStyle & wxTE_MULTILINE)
1100 text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
1102 GtkTextIter fromi, toi;
1103 gtk_text_buffer_get_iter_at_offset( text_buffer, &fromi, from );
1104 gtk_text_buffer_get_iter_at_offset( text_buffer, &toi, to );
1106 gtk_text_buffer_delete( text_buffer, &fromi, &toi );
1110 gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1113 void wxTextCtrl::Replace( long from, long to, const wxString &value )
1115 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1119 if (!value.IsEmpty())
1122 SetInsertionPoint( from );
1125 gint pos = (gint)from;
1127 wxWX2MBbuf buf = value.mbc_str();
1128 gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos );
1130 gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
1131 #endif // wxUSE_UNICODE
1132 #endif // GTK 1.x/2.x
1136 void wxTextCtrl::Cut()
1138 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1141 gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG );
1145 void wxTextCtrl::Copy()
1147 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1150 gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG );
1154 void wxTextCtrl::Paste()
1156 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1159 gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG );
1164 void wxTextCtrl::Undo()
1167 wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
1170 void wxTextCtrl::Redo()
1173 wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
1176 bool wxTextCtrl::CanUndo() const
1179 //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
1183 bool wxTextCtrl::CanRedo() const
1186 //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
1190 // If the return values from and to are the same, there is no
1192 void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1194 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1198 bool haveSelection = FALSE;
1201 if (m_windowStyle & wxTE_MULTILINE)
1203 GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (m_text));
1204 GtkTextIter ifrom, ito;
1205 if ( gtk_text_buffer_get_selection_bounds(buffer, &ifrom, &ito) )
1207 haveSelection = TRUE;
1208 from = gtk_text_iter_get_offset(&ifrom);
1209 to = gtk_text_iter_get_offset(&ito);
1212 else // not multi-line
1214 if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
1217 haveSelection = TRUE;
1221 if ( (GTK_EDITABLE(m_text)->has_selection) )
1223 haveSelection = TRUE;
1224 from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
1225 to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
1229 if (! haveSelection )
1230 from = to = GetInsertionPoint();
1234 // exchange them to be compatible with wxMSW
1247 bool wxTextCtrl::IsEditable() const
1249 wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
1252 if (m_windowStyle & wxTE_MULTILINE)
1254 return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1258 return gtk_editable_get_editable(GTK_EDITABLE(m_text));
1261 return GTK_EDITABLE(m_text)->editable;
1265 bool wxTextCtrl::IsModified() const
1270 void wxTextCtrl::Clear()
1272 SetValue( wxT("") );
1275 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1277 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1279 if ((key_event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
1281 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1282 event.SetEventObject(this);
1283 event.SetString(GetValue());
1284 if (GetEventHandler()->ProcessEvent(event)) return;
1287 if ((key_event.GetKeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
1289 // This will invoke the dialog default action, such
1290 // as the clicking the default button.
1292 wxWindow *top_frame = m_parent;
1293 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1294 top_frame = top_frame->GetParent();
1296 if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1298 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1300 if (window->default_widget)
1302 gtk_widget_activate (window->default_widget);
1311 GtkWidget* wxTextCtrl::GetConnectWidget()
1313 return GTK_WIDGET(m_text);
1316 bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
1318 if (m_windowStyle & wxTE_MULTILINE)
1321 return window == gtk_text_view_get_window( GTK_TEXT_VIEW( m_text ), GTK_TEXT_WINDOW_TEXT ); // pure guesswork
1323 return (window == GTK_TEXT(m_text)->text_area);
1328 return (window == GTK_ENTRY(m_text)->text_area);
1332 // the font will change for subsequent text insertiongs
1333 bool wxTextCtrl::SetFont( const wxFont &font )
1335 wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
1337 if ( !wxTextCtrlBase::SetFont(font) )
1339 // font didn't change, nothing to do
1343 if ( m_windowStyle & wxTE_MULTILINE )
1345 m_updateFont = TRUE;
1347 m_defaultStyle.SetFont(font);
1349 ChangeFontGlobally();
1355 void wxTextCtrl::ChangeFontGlobally()
1357 // this method is very inefficient and hence should be called as rarely as
1359 wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE) && m_updateFont,
1360 _T("shouldn't be called for single line controls") );
1362 wxString value = GetValue();
1363 if ( !value.IsEmpty() )
1365 m_updateFont = FALSE;
1372 void wxTextCtrl::UpdateFontIfNeeded()
1375 ChangeFontGlobally();
1378 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1380 if ( !wxControl::SetForegroundColour(colour) )
1383 // update default fg colour too
1384 m_defaultStyle.SetTextColour(colour);
1389 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1391 wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
1393 if ( !wxControl::SetBackgroundColour( colour ) )
1396 if (!m_widget->window)
1399 wxColour sysbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
1400 if (sysbg.Red() == colour.Red() &&
1401 sysbg.Green() == colour.Green() &&
1402 sysbg.Blue() == colour.Blue())
1404 return FALSE; // FIXME or TRUE?
1407 if (!m_backgroundColour.Ok())
1410 if (m_windowStyle & wxTE_MULTILINE)
1413 GdkWindow *window = GTK_TEXT(m_text)->text_area;
1416 m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
1417 gdk_window_set_background( window, m_backgroundColour.GetColor() );
1418 gdk_window_clear( window );
1422 // change active background color too
1423 m_defaultStyle.SetBackgroundColour( colour );
1428 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1430 if ( m_windowStyle & wxTE_MULTILINE )
1432 if ( style.IsDefault() )
1438 GtkTextBuffer *text_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
1439 gint l = gtk_text_buffer_get_char_count( text_buffer );
1441 wxCHECK_MSG( start >= 0 && end <= l, FALSE,
1442 _T("invalid range in wxTextCtrl::SetStyle") );
1444 GtkTextIter starti, endi;
1445 gtk_text_buffer_get_iter_at_offset( text_buffer, &starti, start );
1446 gtk_text_buffer_get_iter_at_offset( text_buffer, &endi, end );
1448 // use the attributes from style which are set in it and fall back
1449 // first to the default style and then to the text control default
1450 // colours for the others
1451 wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this);
1453 PangoFontDescription *font_description = attr.HasFont()
1454 ? attr.GetFont().GetNativeFontInfo()->description
1457 GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor()
1460 GdkColor *colBg = attr.HasBackgroundColour()
1461 ? attr.GetBackgroundColour().GetColor()
1465 tag = gtk_text_buffer_create_tag( text_buffer, NULL, "font-desc", font_description,
1466 "foreground-gdk", colFg,
1467 "background-gdk", colBg, NULL );
1468 gtk_text_buffer_apply_tag( text_buffer, tag, &starti, &endi );
1472 // VERY dirty way to do that - removes the required text and re-adds it
1473 // with styling (FIXME)
1475 gint l = gtk_text_get_length( GTK_TEXT(m_text) );
1477 wxCHECK_MSG( start >= 0 && end <= l, FALSE,
1478 _T("invalid range in wxTextCtrl::SetStyle") );
1480 gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) );
1481 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end );
1482 wxString tmp(text,*wxConvCurrent);
1485 gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end );
1486 gtk_editable_set_position( GTK_EDITABLE(m_text), start );
1489 wxWX2MBbuf buf = tmp.mbc_str();
1490 const char *txt = buf;
1491 size_t txtlen = strlen(buf);
1493 const char *txt = tmp;
1494 size_t txtlen = tmp.length();
1497 // use the attributes from style which are set in it and fall back
1498 // first to the default style and then to the text control default
1499 // colours for the others
1500 wxGtkTextInsert(m_text,
1501 wxTextAttr::Combine(style, m_defaultStyle, this),
1505 /* does not seem to help under GTK+ 1.2 !!!
1506 gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */
1507 SetInsertionPoint( old_pos );
1513 // cannot do this for GTK+'s Entry widget
1518 void wxTextCtrl::ApplyWidgetStyle()
1521 gtk_widget_set_style( m_text, m_widgetStyle );
1524 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1529 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1534 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1539 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1544 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1549 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1551 event.Enable( CanCut() );
1554 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1556 event.Enable( CanCopy() );
1559 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1561 event.Enable( CanPaste() );
1564 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1566 event.Enable( CanUndo() );
1569 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1571 event.Enable( CanRedo() );
1574 void wxTextCtrl::OnInternalIdle()
1576 wxCursor cursor = m_cursor;
1577 if (g_globalCursor.Ok()) cursor = g_globalCursor;
1582 GdkWindow *window = (GdkWindow*) NULL;
1583 if (HasFlag(wxTE_MULTILINE))
1584 window = GTK_TEXT(m_text)->text_area;
1586 window = GTK_ENTRY(m_text)->text_area;
1589 gdk_window_set_cursor( window, cursor.GetCursor() );
1591 if (!g_globalCursor.Ok())
1592 cursor = *wxSTANDARD_CURSOR;
1594 window = m_widget->window;
1595 if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget)))
1596 gdk_window_set_cursor( window, cursor.GetCursor() );
1600 if (g_delayedFocus == this)
1602 if (GTK_WIDGET_REALIZED(m_widget))
1604 gtk_widget_grab_focus( m_widget );
1605 g_delayedFocus = NULL;
1609 if (wxUpdateUIEvent::CanUpdate(this))
1610 UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1613 wxSize wxTextCtrl::DoGetBestSize() const
1615 // FIXME should be different for multi-line controls...
1616 wxSize ret( wxControl::DoGetBestSize() );
1617 return wxSize(80, ret.y);
1620 // ----------------------------------------------------------------------------
1622 // ----------------------------------------------------------------------------
1624 void wxTextCtrl::Freeze()
1627 if ( HasFlag(wxTE_MULTILINE) )
1629 gtk_text_freeze(GTK_TEXT(m_text));
1634 void wxTextCtrl::Thaw()
1637 if ( HasFlag(wxTE_MULTILINE) )
1639 GTK_TEXT(m_text)->vadj->value = 0.0;
1641 gtk_text_thaw(GTK_TEXT(m_text));
1646 // ----------------------------------------------------------------------------
1648 // ----------------------------------------------------------------------------
1650 GtkAdjustment *wxTextCtrl::GetVAdj() const
1655 return HasFlag(wxTE_MULTILINE) ? GTK_TEXT(m_text)->vadj : NULL;
1659 bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff)
1662 float value = adj->value + diff;
1667 float upper = adj->upper - adj->page_size;
1668 if ( value > upper )
1671 // did we noticeably change the scroll position?
1672 if ( fabs(adj->value - value) < 0.2 )
1674 // well, this is what Robert does in wxScrollBar, so it must be good...
1680 gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed");
1686 bool wxTextCtrl::ScrollLines(int lines)
1691 GtkAdjustment *adj = GetVAdj();
1695 // this is hardcoded to 10 in GTK+ 1.2 (great idea)
1696 static const int KEY_SCROLL_PIXELS = 10;
1698 return DoScroll(adj, lines*KEY_SCROLL_PIXELS);
1702 bool wxTextCtrl::ScrollPages(int pages)
1707 GtkAdjustment *adj = GetVAdj();
1711 return DoScroll(adj, (int)ceil(pages*adj->page_increment));
1718 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1720 return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);