- return TRUE;
- }
- else
- {
- // have we just regained the GUI lock? if so, post all of the saved
- // messages
- //
- // FIXME of course, it's not _exactly_ the same as processing the
- // messages normally - expect some things to break...
- if ( !s_hadGuiLock )
- {
- s_hadGuiLock = TRUE;
-
- size_t count = s_aSavedMessages.Count();
- for ( size_t n = 0; n < count; n++ )
- {
- MSG& msg = s_aSavedMessages[n];
-
- if ( !ProcessMessage((WXMSG *)&msg) )
- {
- ::TranslateMessage(&msg);
- ::DispatchMessage(&msg);
- }
- }
-
- s_aSavedMessages.Empty();
- }
- }
-#endif // wxUSE_THREADS
-
- // Process the message
- DoMessage((WXMSG *)&s_currentMsg);
- }
-
- return TRUE;
-}
-
-void wxApp::DoMessage(WXMSG *pMsg)
-{
- if ( !ProcessMessage(pMsg) )
- {
- ::TranslateMessage((MSG *)pMsg);
- ::DispatchMessage((MSG *)pMsg);
- }
-}
-
-/*
- * Keep trying to process messages until WM_QUIT
- * received.
- *
- * If there are messages to be processed, they will all be
- * processed and OnIdle will not be called.
- * When there are no more messages, OnIdle is called.
- * If OnIdle requests more time,
- * it will be repeatedly called so long as there are no pending messages.
- * A 'feature' of this is that once OnIdle has decided that no more processing
- * is required, then it won't get processing time until further messages
- * are processed (it'll sit in DoMessage).
- */
-
-int wxApp::MainLoop()
-{
- m_keepGoing = TRUE;
-
- while ( m_keepGoing )
- {
-#if wxUSE_THREADS
- wxMutexGuiLeaveOrEnter();
-#endif // wxUSE_THREADS
-
- while ( !Pending() && ProcessIdle() )
- ;
-
- // a message came or no more idle processing to do
- DoMessage();
- }
-
- return s_currentMsg.wParam;
-}
-
-// Returns TRUE if more time is needed.
-bool wxApp::ProcessIdle()
-{
- wxIdleEvent event;
- event.SetEventObject(this);
- ProcessEvent(event);
-
- return event.MoreRequested();
-}
-
-void wxApp::ExitMainLoop()
-{
- // VZ: why not ::PostQuitMessage()?
- m_keepGoing = FALSE;
-}
-
-bool wxApp::Pending()
-{
- return ::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0;
-}
-
-void wxApp::Dispatch()
-{
- DoMessage();
-}
-
-/*
- * Give all windows a chance to preprocess
- * the message. Some may have accelerator tables, or have
- * MDI complications.
- */
-
-bool wxApp::ProcessMessage(WXMSG *wxmsg)
-{
- MSG *msg = (MSG *)wxmsg;
- HWND hwnd = msg->hwnd;
- wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hwnd);
-
- // this may happen if the event occured in a standard modeless dialog (the
- // only example of which I know of is the find/replace dialog) - then call
- // IsDialogMessage() to make TAB navigation in it work
- if ( !wndThis )
- {
- // we need to find the dialog containing this control as
- // IsDialogMessage() just eats all the messages (i.e. returns TRUE for
- // them) if we call it for the control itself
- while ( ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
- {
- hwnd = ::GetParent(hwnd);
- }
-
- return ::IsDialogMessage(hwnd, msg) != 0;
- }
-
-#if wxUSE_TOOLTIPS
- // we must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to
- // popup the tooltip bubbles
- if ( (msg->message == WM_MOUSEMOVE) )
- {
- wxToolTip *tt = wndThis->GetToolTip();
- if ( tt )
- {
- tt->RelayEvent(wxmsg);
- }
- }
-#endif // wxUSE_TOOLTIPS
-
- // allow the window to prevent certain messages from being
- // translated/processed (this is currently used by wxTextCtrl to always
- // grab Ctrl-C/V/X, even if they are also accelerators in some parent)
- if ( !wndThis->MSWShouldPreProcessMessage(wxmsg) )
- {
- return FALSE;
- }
-
- // try translations first: the accelerators override everything
- wxWindow *wnd;
-
- for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
- {
- if ( wnd->MSWTranslateMessage(wxmsg))
- return TRUE;
-
- // stop at first top level window, i.e. don't try to process the key
- // strokes originating in a dialog using the accelerators of the parent
- // frame - this doesn't make much sense
- if ( wnd->IsTopLevel() )
- break;
- }
-
- // now try the other hooks (kbd navigation is handled here): we start from
- // wndThis->GetParent() because wndThis->MSWProcessMessage() was already
- // called above
- for ( wnd = wndThis->GetParent(); wnd; wnd = wnd->GetParent() )
- {
- if ( wnd->MSWProcessMessage(wxmsg) )
- return TRUE;
- }
-
- // no special preprocessing for this message, dispatch it normally
- return FALSE;
projects / wxWidgets.git / blobdiff