+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
+
+ if (!value.IsEmpty())
+ {
+ 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
+ }
+}
+
+void wxTextCtrl::Cut()
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+#if (GTK_MINOR_VERSION > 0)
+ gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) );
+#else
+ gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 );
+#endif
+}
+
+void wxTextCtrl::Copy()
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+#if (GTK_MINOR_VERSION > 0)
+ gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) );
+#else
+ gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 );
+#endif
+}
+
+void wxTextCtrl::Paste()
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+#if (GTK_MINOR_VERSION > 0)
+ gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) );
+#else
+ gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 );
+#endif
+}
+
+bool wxTextCtrl::CanCopy() const
+{
+ // Can copy if there's a selection
+ long from, to;
+ GetSelection(& from, & to);
+ return (from != to) ;
+}
+
+bool wxTextCtrl::CanCut() const
+{
+ // Can cut if there's a selection
+ long from, to;
+ GetSelection(& from, & to);
+ return (from != to) && (IsEditable());
+}
+
+bool wxTextCtrl::CanPaste() const
+{
+ return IsEditable() ;
+}
+
+// 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* from, long* to) const
+{
+ wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
+
+ if (!(GTK_EDITABLE(m_text)->has_selection))
+ {
+ long i = GetInsertionPoint();
+ if (from) *from = i;
+ if (to) *to = i;
+ return;
+ }
+
+ if (from) *from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
+ if (to) *to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
+}
+
+bool wxTextCtrl::IsEditable() const
+{
+ wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
+
+ return GTK_EDITABLE(m_text)->editable;
+}
+
+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.KeyCode() == 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.KeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
+ {
+ wxWindow *top_frame = m_parent;
+ while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
+ top_frame = top_frame->GetParent();
+ 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)
+ return (window == GTK_TEXT(m_text)->text_area);
+ 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 ( !wxWindowBase::SetFont(font) )
+ {
+ // font didn't change, nothing to do
+ return FALSE;
+ }
+
+ if ( m_windowStyle & wxTE_MULTILINE )
+ {
+ m_updateFont = TRUE;
+
+ ChangeFontGlobally();
+ }
+
+ return TRUE;
+}
+
+void wxTextCtrl::ChangeFontGlobally()
+{
+ // this method is very inefficient and hence should be called as rarely as
+ // possible!
+ wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE) && m_updateFont,
+ _T("shouldn't be called for single line controls") );
+
+ wxString value = GetValue();
+ if ( !value.IsEmpty() )
+ {
+ Clear();
+ AppendText(value);
+
+ m_updateFont = FALSE;
+ }
+}
+
+void wxTextCtrl::UpdateFontIfNeeded()
+{
+ if ( m_updateFont )
+ ChangeFontGlobally();
+}