// By default, pressing escape cancels the dialog
void wxDialog::OnCharHook(wxKeyEvent& event)
{
- if (GetHWND())
+ if (event.m_keyCode == WXK_ESCAPE)
{
- if (event.m_keyCode == WXK_ESCAPE)
- {
// Behaviour changed in 2.0: we'll send a Cancel message
// to the dialog instead of Close.
wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
GetEventHandler()->ProcessEvent(cancelEvent);
return;
- }
}
// We didn't process this event.
event.Skip();
int x_offset,y_offset ;
int display_width, display_height;
int width, height, x, y;
- wxFrame *frame ;
- if (direction & wxCENTER_FRAME)
+ wxWindow *parent = GetParent();
+ if ((direction & wxCENTER_FRAME) && parent)
{
- frame = (wxFrame*)GetParent() ;
- if (frame)
- {
- frame->GetPosition(&x_offset,&y_offset) ;
- frame->GetSize(&display_width,&display_height) ;
- }
+ parent->GetPosition(&x_offset,&y_offset) ;
+ parent->GetSize(&display_width,&display_height) ;
}
else
- frame = NULL ;
-
- if (frame==NULL)
{
wxDisplaySize(&display_width, &display_height);
x_offset = 0 ;
}
}
-bool wxDialog::OnClose()
+void wxDialog::OnCloseWindow(wxCloseEvent& event)
{
- // Behaviour changed in 2.0: we'll send a Cancel message by default,
+ // We'll send a Cancel message by default,
// which may close the dialog.
- // Check for looping if the Cancel event handler calls Close()
+ // Check for looping if the Cancel event handler calls Close().
+
+ // Note that if a cancel button and handler aren't present in the dialog,
+ // nothing will happen when you close the dialog via the window manager, or
+ // via Close().
+ // We wouldn't want to destroy the dialog by default, since the dialog may have been
+ // created on the stack.
+ // However, this does mean that calling dialog->Close() won't delete the dialog
+ // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be
+ // sure to destroy the dialog.
+ // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog.
static wxList closing;
-
+
if ( closing.Member(this) )
- return FALSE;
-
+ return;
+
closing.Append(this);
-
- wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
- cancelEvent.SetEventObject( this );
- GetEventHandler()->ProcessEvent(cancelEvent);
+
+ wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+ cancelEvent.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog
closing.DeleteObject(this);
-
- return FALSE;
-}
-
-void wxDialog::OnCloseWindow(wxCloseEvent& event)
-{
- // Compatibility
- if ( GetEventHandler()->OnClose() || event.GetForce())
- {
- this->Destroy();
- }
}
// Destroy the window (delayed, if a managed window)
Refresh();
}
+void wxDialog::Fit()
+{
+}