- // generate wxID_CANCEL if <esc> has been pressed (typically in dialogs)
- if ( !ret &&
- (gdk_event->keyval == GDK_Escape) )
- {
- // however only do it if we have a Cancel button in the dialog,
- // otherwise the user code may get confused by the events from a
- // nonexistent button and, worse, a wxButton might get button event
- // from another button which is not really expected
- wxWindow *winForCancel = win,
- *btnCancel = NULL;
- while ( winForCancel )
- {
- btnCancel = winForCancel->FindWindow(wxID_CANCEL);
- if ( btnCancel )
- {
- // found a cancel button
- break;
- }
-
- if ( winForCancel->IsTopLevel() )
- {
- // no need to look further
- break;
- }
-
- // maybe our parent has a cancel button?
- winForCancel = winForCancel->GetParent();
- }
-
- if ( btnCancel )
- {
- wxCommandEvent eventClick(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
- eventClick.SetEventObject(btnCancel);
- ret = btnCancel->GetEventHandler()->ProcessEvent(eventClick);
- }
- }
-