+int wxAppBase::OnExit()
+{
+#ifdef __WXUNIVERSAL__
+ delete wxTheme::Set(NULL);
+#endif // __WXUNIVERSAL__
+
+ return wxAppConsole::OnExit();
+}
+
+wxAppTraits *wxAppBase::CreateTraits()
+{
+ return new wxGUIAppTraits;
+}
+
+// ----------------------------------------------------------------------------
+// misc
+// ----------------------------------------------------------------------------
+
+void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus))
+{
+ if ( active == m_isActive )
+ return;
+
+ m_isActive = active;
+
+ wxActivateEvent event(wxEVT_ACTIVATE_APP, active);
+ event.SetEventObject(this);
+
+ (void)ProcessEvent(event);
+}
+
+// ----------------------------------------------------------------------------
+// idle handling
+// ----------------------------------------------------------------------------
+
+void wxAppBase::DeletePendingObjects()
+{
+ wxList::compatibility_iterator node = wxPendingDelete.GetFirst();
+ while (node)
+ {
+ wxObject *obj = node->GetData();
+
+ // remove it from the list first so that if we get back here somehow
+ // during the object deletion (e.g. wxYield called from its dtor) we
+ // wouldn't try to delete it the second time
+ if ( wxPendingDelete.Member(obj) )
+ wxPendingDelete.Erase(node);
+
+ delete obj;
+
+ // Deleting one object may have deleted other pending
+ // objects, so start from beginning of list again.
+ node = wxPendingDelete.GetFirst();
+ }
+}
+
+// Returns true if more time is needed.
+bool wxAppBase::ProcessIdle()
+{
+ // process pending wx events before sending idle events
+ ProcessPendingEvents();
+
+ wxIdleEvent event;
+ bool needMore = false;
+ wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
+ while (node)
+ {
+ wxWindow* win = node->GetData();
+ if (SendIdleEvents(win, event))
+ needMore = true;
+ node = node->GetNext();
+ }
+
+ if (wxAppConsole::ProcessIdle())
+ needMore = true;
+
+ // 'Garbage' collection of windows deleted with Close().
+ DeletePendingObjects();
+
+#if wxUSE_LOG
+ // flush the logged messages if any
+ wxLog::FlushActive();
+#endif
+
+ wxUpdateUIEvent::ResetUpdateTime();
+
+ return needMore;
+}
+
+// Send idle event to window and all subwindows
+bool wxAppBase::SendIdleEvents(wxWindow* win, wxIdleEvent& event)
+{
+ bool needMore = false;
+
+ win->OnInternalIdle();
+
+ // should we send idle event to this window?
+ if ( wxIdleEvent::GetMode() == wxIDLE_PROCESS_ALL ||
+ win->HasExtraStyle(wxWS_EX_PROCESS_IDLE) )
+ {
+ event.SetEventObject(win);
+ win->HandleWindowEvent(event);
+
+ if (event.MoreRequested())
+ needMore = true;
+ }
+ wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
+ while ( node )
+ {
+ wxWindow *child = node->GetData();
+ if (SendIdleEvents(child, event))
+ needMore = true;
+
+ node = node->GetNext();
+ }
+
+ return needMore;
+}
+
+// ----------------------------------------------------------------------------
+// wxGUIAppTraitsBase
+// ----------------------------------------------------------------------------
+
+#if wxUSE_LOG
+
+wxLog *wxGUIAppTraitsBase::CreateLogTarget()
+{
+#if wxUSE_LOGGUI
+ return new wxLogGui;
+#else
+ // we must have something!
+ return new wxLogStderr;
+#endif
+}
+
+#endif // wxUSE_LOG
+
+wxMessageOutput *wxGUIAppTraitsBase::CreateMessageOutput()
+{
+ // The standard way of printing help on command line arguments (app --help)
+ // is (according to common practice):
+ // - console apps: to stderr (on any platform)
+ // - GUI apps: stderr on Unix platforms (!)
+ // stderr if available and message box otherwise on others
+ // (currently stderr only Windows if app running from console)
+#ifdef __UNIX__
+ return new wxMessageOutputStderr;
+#else // !__UNIX__
+ // wxMessageOutputMessageBox doesn't work under Motif
+ #ifdef __WXMOTIF__
+ return new wxMessageOutputLog;
+ #elif wxUSE_MSGDLG
+ return new wxMessageOutputBest(wxMSGOUT_PREFER_STDERR);
+ #else
+ return new wxMessageOutputStderr;
+ #endif
+#endif // __UNIX__/!__UNIX__
+}
+
+#if wxUSE_FONTMAP
+
+wxFontMapper *wxGUIAppTraitsBase::CreateFontMapper()
+{
+ return new wxFontMapper;
+}
+
+#endif // wxUSE_FONTMAP
+
+wxRendererNative *wxGUIAppTraitsBase::CreateRenderer()
+{
+ // use the default native renderer by default
+ return NULL;
+}
+
+#ifdef __WXDEBUG__
+
+bool wxGUIAppTraitsBase::ShowAssertDialog(const wxString& msg)
+{
+ // under MSW we prefer to use the base class version using ::MessageBox()
+ // even if wxMessageBox() is available because it has less chances to
+ // double fault our app than our wxMessageBox()
+ //
+ // under DFB the message dialog is not always functional right now
+ //
+ // and finally we can't use wxMessageBox() if it wasn't compiled in, of
+ // course
+#if defined(__WXMSW__) || defined(__WXDFB__) || !wxUSE_MSGDLG
+ return wxAppTraitsBase::ShowAssertDialog(msg);
+#else // wxUSE_MSGDLG
+ wxString msgDlg = msg;
+
+#if wxUSE_STACKWALKER
+ // on Unix stack frame generation may take some time, depending on the
+ // size of the executable mainly... warn the user that we are working
+ wxFprintf(stderr, wxT("[Debug] Generating a stack trace... please wait"));
+ fflush(stderr);
+
+ const wxString stackTrace = GetAssertStackTrace();
+ if ( !stackTrace.empty() )
+ msgDlg << _T("\n\nCall stack:\n") << stackTrace;
+#endif // wxUSE_STACKWALKER
+
+ // this message is intentionally not translated -- it is for
+ // developpers only
+ msgDlg += wxT("\nDo you want to stop the program?\n")
+ wxT("You can also choose [Cancel] to suppress ")
+ wxT("further warnings.");
+
+ switch ( wxMessageBox(msgDlg, wxT("wxWidgets Debug Alert"),
+ wxYES_NO | wxCANCEL | wxICON_STOP ) )
+ {
+ case wxYES:
+ wxTrap();
+ break;
+
+ case wxCANCEL:
+ // no more asserts
+ return true;
+
+ //case wxNO: nothing to do
+ }
+
+ return false;
+#endif // !wxUSE_MSGDLG/wxUSE_MSGDLG
+}
+
+#endif // __WXDEBUG__
+
+bool wxGUIAppTraitsBase::HasStderr()
+{
+ // we consider that under Unix stderr always goes somewhere, even if the
+ // user doesn't always see it under GUI desktops
+#ifdef __UNIX__
+ return true;
+#else
+ return false;
+#endif
+}
+
+void wxGUIAppTraitsBase::ScheduleForDestroy(wxObject *object)
+{
+ if ( !wxPendingDelete.Member(object) )
+ wxPendingDelete.Append(object);
+}
+
+void wxGUIAppTraitsBase::RemoveFromPendingDelete(wxObject *object)
+{
+ wxPendingDelete.DeleteObject(object);
+}
projects / wxWidgets.git / blobdiff