-//-----------------------------------------------------------------------------
-// global data
-//-----------------------------------------------------------------------------
-
-static GtkWidget *gs_RootWindow = NULL;
-static wxArrayPtrVoid g_arrGdkEvents;
-
-//-----------------------------------------------------------------------------
-// wxYield
-//-----------------------------------------------------------------------------
-
-bool wxApp::DoYield(bool onlyIfNeeded, long eventsToProcess)
-{
- if ( m_isInsideYield )
- {
- if ( !onlyIfNeeded )
- {
- wxFAIL_MSG( wxT("wxYield called recursively" ) );
- }
-
- return false;
- }
-
-#if wxUSE_THREADS
- if ( !wxThread::IsMain() )
- {
- // can't call gtk_main_iteration() from other threads like this
- return true;
- }
-#endif // wxUSE_THREADS
-
- m_isInsideYield = true;
- m_eventsToProcessInsideYield = eventsToProcess;
-
-#if wxUSE_LOG
- // disable log flushing from here because a call to wxYield() shouldn't
- // normally result in message boxes popping up &c
- wxLog::Suspend();
-#endif
-
- // NOTE: gtk_main_iteration() doesn't allow us to filter events, so we
- // rather use gtk_main_do_event() after filtering the events at
- // GDK level
-
- GdkDisplay* disp = gtk_widget_get_display(gs_RootWindow);
-
- // gdk_display_get_event() will transform X11 events into GDK events
- // and will queue all of them in the display (private) structure;
- // finally it will "unqueue" the last one and return it to us
- GdkEvent* event = gdk_display_get_event(disp);
- while (event)
- {
- // categorize the GDK event according to wxEventCategory.
- // See http://library.gnome.org/devel/gdk/unstable/gdk-Events.html#GdkEventType
- // for more info.
-
- wxEventCategory cat = wxEVT_CATEGORY_UNKNOWN;
- switch (event->type)
- {
- case GDK_SELECTION_REQUEST:
- case GDK_SELECTION_NOTIFY:
- case GDK_SELECTION_CLEAR:
- case GDK_OWNER_CHANGE:
- cat = wxEVT_CATEGORY_CLIPBOARD;
- break;
-
-
- case GDK_KEY_PRESS:
- case GDK_KEY_RELEASE:
- case GDK_BUTTON_PRESS:
- case GDK_2BUTTON_PRESS:
- case GDK_3BUTTON_PRESS:
- case GDK_BUTTON_RELEASE:
- case GDK_SCROLL: // generated from mouse buttons
- case GDK_CLIENT_EVENT:
- cat = wxEVT_CATEGORY_USER_INPUT;
- break;
-
-
- case GDK_PROXIMITY_IN:
- case GDK_PROXIMITY_OUT:
-
- case GDK_MOTION_NOTIFY:
- case GDK_ENTER_NOTIFY:
- case GDK_LEAVE_NOTIFY:
- case GDK_VISIBILITY_NOTIFY:
- case GDK_PROPERTY_NOTIFY:
-
- case GDK_FOCUS_CHANGE:
- case GDK_CONFIGURE:
- case GDK_WINDOW_STATE:
- case GDK_SETTING:
- case GDK_DELETE:
- case GDK_DESTROY:
-
- case GDK_EXPOSE:
- case GDK_NO_EXPOSE:
- case GDK_MAP:
- case GDK_UNMAP:
- //case GDK_DAMAGE:
-
- case GDK_DRAG_ENTER:
- case GDK_DRAG_LEAVE:
- case GDK_DRAG_MOTION:
- case GDK_DRAG_STATUS:
- case GDK_DROP_START:
- case GDK_DROP_FINISHED:
- case GDK_GRAB_BROKEN:
- cat = wxEVT_CATEGORY_UI;
- break;
-
- default:
- cat = wxEVT_CATEGORY_UNKNOWN;
- break;
- }
-
- if (eventsToProcess & cat)
- gtk_main_do_event(event); // process it now
- else
- g_arrGdkEvents.Add(event); // process it later
-
- // get next event
- event = gdk_display_get_event(disp);
- }
-
- if (eventsToProcess != wxEVT_CATEGORY_CLIPBOARD)
- {
- // It's necessary to call ProcessIdle() to update the frames sizes which
- // might have been changed (it also will update other things set from
- // OnUpdateUI() which is a nice (and desired) side effect). But we
- // call ProcessIdle() only once since this is not meant for longish
- // background jobs (controlled by wxIdleEvent::RequestMore() and the
- // return value of Processidle().
- ProcessIdle(); // ProcessIdle() also calls ProcessPendingEvents()
- }
- //else: if we are inside ~wxClipboardSync() and we call ProcessIdle() and
- // the user app contains an UI update handler which calls wxClipboard::IsSupported,
- // then we fall into a never-ending loop...
-
- // put all unprocessed GDK events back in the queue
- for (size_t i=0; i<g_arrGdkEvents.GetCount(); i++)
- {
- GdkEvent* ev = (GdkEvent*)g_arrGdkEvents[i];
-
- // NOTE: gdk_display_put_event makes a copy of the event passed to it
- gdk_display_put_event(disp, ev);
- gdk_event_free(ev);
- }
-
- g_arrGdkEvents.Clear();
-
-#if wxUSE_LOG
- // let the logs be flashed again
- wxLog::Resume();
-#endif
-
- m_isInsideYield = false;
-
- return true;
-}
-
projects / wxWidgets.git / blobdiff