- if (show)
- InitDialog();
-
- bool modal = IsModal();
-
- if (modal)
- {
- if (show)
- {
- // find the top level window which had focus before - we will restore
- // focus to it later
- m_hwndOldFocus = 0;
- for ( HWND hwnd = ::GetFocus(); hwnd; hwnd = ::GetParent(hwnd) )
- {
- m_hwndOldFocus = (WXHWND)hwnd;
- }
-
- if (m_modalShowing)
- {
- BringWindowToTop((HWND) GetHWND());
- return TRUE;
- }
-
- m_modalShowing = TRUE;
- wxNode *node = wxModalDialogs.First();
- while (node)
- {
- wxDialog *box = (wxDialog *)node->Data();
- if (box != this)
- ::EnableWindow((HWND) box->GetHWND(), FALSE);
- node = node->Next();
- }
-
- // if we don't do it, some window might be deleted while we have pointers
- // to them in our disabledWindows list and the program will crash when it
- // will try to reenable them after the modal dialog end
- wxTheApp->DeletePendingObjects();
- wxList disabledWindows;
-
- node = wxModelessWindows.First();
- while (node)
- {
- wxWindow *win = (wxWindow *)node->Data();
- if (::IsWindowEnabled((HWND) win->GetHWND()))
- {
- ::EnableWindow((HWND) win->GetHWND(), FALSE);
- disabledWindows.Append(win);
- }
- node = node->Next();
- }
-
- ShowWindow((HWND) GetHWND(), SW_SHOW);
- EnableWindow((HWND) GetHWND(), TRUE);
- BringWindowToTop((HWND) GetHWND());
-
- if ( !wxModalDialogs.Find(this) )
- wxModalDialogs.Append(this);
-
- MSG msg;
- // Must test whether this dialog still exists: we may not process
- // a message before the deletion.
- while (wxModalDialogs.Find(this) && m_modalShowing && GetMessage(&msg, NULL, 0, 0))
- {
- if ( m_acceleratorTable.Ok() &&
- ::TranslateAccelerator((HWND)GetHWND(),
- (HACCEL)m_acceleratorTable.GetHACCEL(),
- &msg) )
- {
- // Have processed the message
- }
- else if ( !wxTheApp->ProcessMessage((WXMSG *)&msg) )
- {
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
-
- // If we get crashes (as per George Tasker's message) with nested modal dialogs,
- // we should try removing the m_modalShowing test
-
- if (m_modalShowing && !::PeekMessage(&msg, 0, 0, 0, PM_NOREMOVE))
- // dfgg: NB MUST test m_modalShowing again as the message loop could have triggered
- // a Show(FALSE) in the mean time!!!
- // Without the test, we might delete the dialog before the end of modal showing.
- {
- while (wxTheApp->ProcessIdle() && m_modalShowing)
- {
- // Keep going until we decide we've done enough
- }
- }
- }
- // dfgg: now must specifically re-enable all other app windows that we disabled earlier
- node=disabledWindows.First();
- while(node) {
- wxWindow* win = (wxWindow*) node->Data();
- if (wxModalDialogs.Find(win) || wxModelessWindows.Find(win))
- {
- HWND hWnd = (HWND) win->GetHWND();
- if (::IsWindow(hWnd))
- ::EnableWindow(hWnd,TRUE);
- }
- node=node->Next();
- }
- }
- else // !show
- {
- ::SetFocus((HWND)m_hwndOldFocus);
-
- wxModalDialogs.DeleteObject(this);
-
- wxNode *last = wxModalDialogs.Last();
projects / wxWidgets.git / blobdiff