// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "popupwinbase.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
{
public:
wxPopupWindowHandler(wxPopupTransientWindow *popup) : m_popup(popup) {}
- ~wxPopupWindowHandler();
protected:
// event handlers
{
public:
wxPopupFocusHandler(wxPopupTransientWindow *popup) : m_popup(popup) {}
- ~wxPopupFocusHandler();
protected:
void OnKillFocus(wxFocusEvent& event);
wxPopupTransientWindow::~wxPopupTransientWindow()
{
- PopHandlers();
+ if (m_handlerPopup && m_handlerPopup->GetNextHandler())
+ PopHandlers();
+
+ wxASSERT(!m_handlerFocus || !m_handlerFocus->GetNextHandler());
+ wxASSERT(!m_handlerPopup || !m_handlerPopup->GetNextHandler());
+
+ delete m_handlerFocus;
+ delete m_handlerPopup;
}
void wxPopupTransientWindow::PopHandlers()
{
if ( m_child )
{
- if ( m_handlerPopup && !m_child->RemoveEventHandler(m_handlerPopup) )
+ if ( !m_child->RemoveEventHandler(m_handlerPopup) )
{
// something is very wrong and someone else probably deleted our
// handler - so don't risk deleting it second time
m_handlerPopup = NULL;
}
if (m_child->HasCapture())
- {
+ {
m_child->ReleaseMouse();
}
m_child = NULL;
}
-#ifdef __WXMSW__
if ( m_focus )
{
- if ( m_handlerFocus && !m_focus->RemoveEventHandler(m_handlerFocus) )
+ if ( !m_focus->RemoveEventHandler(m_handlerFocus) )
{
// see above
m_handlerFocus = NULL;
}
}
-#else
- if ( m_handlerFocus && !RemoveEventHandler(m_handlerFocus) )
- {
- // see above
- m_handlerFocus = NULL;
- }
-#endif
-
- // delete the handlers, they'll be created as necessary in Popup()
- delete m_handlerPopup;
- m_handlerPopup = NULL;
- delete m_handlerFocus;
- m_handlerFocus = NULL;
-
m_focus = NULL;
}
Show();
- // There is is a problem if these are still valid
- wxASSERT_MSG(!m_handlerPopup, wxT("Popup handler not deleted"));
- wxASSERT_MSG(!m_handlerFocus, wxT("Focus handler not deleted"));
+ // There is is a problem if these are still in use
+ wxASSERT(!m_handlerFocus || !m_handlerFocus->GetNextHandler());
+ wxASSERT(!m_handlerPopup || !m_handlerPopup->GetNextHandler());
- delete m_handlerPopup;
- m_handlerPopup = new wxPopupWindowHandler(this);
+ if (!m_handlerPopup)
+ m_handlerPopup = new wxPopupWindowHandler(this);
m_child->PushEventHandler(m_handlerPopup);
// subclass the window which has the focus, and not winFocus passed in or
// otherwise everything else breaks down
m_focus = FindFocus();
+#elif defined(__WXGTK__)
+ // GTK+ catches the activate events from the popup
+ // window, not the focus events from the child window
+ m_focus = this;
+#endif
+
if ( m_focus )
{
- delete m_handlerFocus;
- m_handlerFocus = new wxPopupFocusHandler(this);
+ if (!m_handlerFocus)
+ m_handlerFocus = new wxPopupFocusHandler(this);
m_focus->PushEventHandler(m_handlerFocus);
}
-#else
- // GTK+ catches the activate events from the popup
- // window, not the focus events from the child window
- delete m_handlerFocus;
- m_handlerFocus = new wxPopupFocusHandler(this);
- PushEventHandler(m_handlerFocus);
-#endif // __WXMSW__
-
- // catch destroy events, if you close a program with a popup shown in MSW
- // you get a segfault if m_child or m_focus are deleted before this is
- m_child->Connect(wxEVT_DESTROY,
- wxWindowDestroyEventHandler(wxPopupTransientWindow::OnDestroy),
- NULL, this);
- m_focus->Connect(wxEVT_DESTROY,
- wxWindowDestroyEventHandler(wxPopupTransientWindow::OnDestroy),
- NULL, this);
}
bool wxPopupTransientWindow::Show( bool show )
#ifdef __WXMSW__
if (!show && m_child && m_child->HasCapture())
- {
+ {
m_child->ReleaseMouse();
}
#endif
-
+
bool ret = wxPopupWindow::Show( show );
#ifdef __WXGTK__
return false;
}
-void wxPopupTransientWindow::OnDestroy(wxWindowDestroyEvent& event)
-{
- if (event.GetEventObject() == m_child)
- m_child = NULL;
- if (event.GetEventObject() == m_focus)
- m_focus = NULL;
-}
-
#ifdef __WXMSW__
void wxPopupTransientWindow::OnIdle(wxIdleEvent& event)
{
{
m_child->CaptureMouse();
}
- }
+ }
}
}
-#endif
+#endif // __WXMSW__
#if wxUSE_COMBOBOX && defined(__WXUNIVERSAL__)
// ----------------------------------------------------------------------------
// wxPopupWindowHandler
// ----------------------------------------------------------------------------
-wxPopupWindowHandler::~wxPopupWindowHandler()
-{
- if (m_popup && (m_popup->m_handlerPopup == this))
- m_popup->m_handlerPopup = NULL;
-}
void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
{
wxPoint pos = event.GetPosition();
- // scrollbar on which the click occured
+ // scrollbar on which the click occurred
wxWindow *sbar = NULL;
wxWindow *win = (wxWindow *)event.GetEventObject();
// dismissing a tooltip shouldn't waste a click, i.e. you
// should be able to dismiss it and press the button with the
// same click, so repost this event to the window beneath us
- wxWindow *win = wxFindWindowAtPoint(event2.GetPosition());
- if ( win )
+ wxWindow *winUnder = wxFindWindowAtPoint(event2.GetPosition());
+ if ( winUnder )
{
// translate the event coords to the ones of the window
// which is going to get the event
- win->ScreenToClient(&event2.m_x, &event2.m_y);
+ winUnder->ScreenToClient(&event2.m_x, &event2.m_y);
- event2.SetEventObject(win);
- wxPostEvent(win, event2);
+ event2.SetEventObject(winUnder);
+ wxPostEvent(winUnder, event2);
}
}
break;
// ----------------------------------------------------------------------------
// wxPopupFocusHandler
// ----------------------------------------------------------------------------
-wxPopupFocusHandler::~wxPopupFocusHandler()
-{
- if (m_popup && (m_popup->m_handlerFocus == this))
- m_popup->m_handlerFocus = NULL;
-}
void wxPopupFocusHandler::OnKillFocus(wxFocusEvent& event)
{