+// ----------------------------------------------------------------------------
+// popup menus
+// ----------------------------------------------------------------------------
+
+bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
+{
+ Widget widget = (Widget) GetMainWidget();
+
+ /* The menuId field seems to be usused, so we'll use it to
+ indicate whether a menu is popped up or not:
+ 0: Not currently created as a popup
+ -1: Created as a popup, but not active
+ 1: Active popup.
+ */
+
+ if (menu->GetParent() && (menu->GetId() != -1))
+ return FALSE;
+
+ if (menu->GetMainWidget()) {
+ menu->DestroyMenu(TRUE);
+ }
+
+ menu->SetId(1); /* Mark as popped-up */
+ menu->CreateMenu(NULL, widget, menu);
+ menu->SetInvokingWindow(this);
+
+ menu->UpdateUI();
+
+ // menu->SetParent(parent);
+ // parent->children->Append(menu); // Store menu for later deletion
+
+ Widget menuWidget = (Widget) menu->GetMainWidget();
+
+ int rootX = 0;
+ int rootY = 0;
+
+ int deviceX = x;
+ int deviceY = y;
+ /*
+ if (this->IsKindOf(CLASSINFO(wxCanvas)))
+ {
+ wxCanvas *canvas = (wxCanvas *) this;
+ deviceX = canvas->GetDC ()->LogicalToDeviceX (x);
+ deviceY = canvas->GetDC ()->LogicalToDeviceY (y);
+ }
+ */
+
+ Display *display = XtDisplay (widget);
+ Window rootWindow = RootWindowOfScreen (XtScreen((Widget)widget));
+ Window thisWindow = XtWindow (widget);
+ Window childWindow;
+ XTranslateCoordinates (display, thisWindow, rootWindow, (int) deviceX, (int) deviceY,
+ &rootX, &rootY, &childWindow);
+
+ XButtonPressedEvent event;
+ event.type = ButtonPress;
+ event.button = 1;
+
+ event.x = deviceX;
+ event.y = deviceY;
+
+ event.x_root = rootX;
+ event.y_root = rootY;
+
+ XmMenuPosition (menuWidget, &event);
+ XtManageChild (menuWidget);
+
+ XEvent x_event;
+ // The ID of a pop-up menu is 1 when active, and is set to 0 by the
+ // idle-time destroy routine.
+ // Waiting until this ID changes causes this function to block until
+ // the menu has been dismissed and the widgets cleaned up.
+ // In other words, once this routine returns, it is safe to delete
+ // the menu object.
+ // Ian Brown <ian.brown@printsoft.de>
+ while (menu->GetId() == 1)
+ {
+ XtAppNextEvent( (XtAppContext) wxTheApp->GetAppContext(), &x_event);
+
+ wxTheApp->ProcessXEvent((WXEvent*) & x_event);
+
+ if (XtAppPending( (XtAppContext) wxTheApp->GetAppContext() ) == 0)
+ {
+ if (!wxTheApp->ProcessIdle())
+ {
+#if wxUSE_THREADS
+ // leave the main loop to give other threads a chance to
+ // perform their GUI work
+ wxMutexGuiLeave();
+ wxUsleep(20);
+ wxMutexGuiEnter();
+#endif
+ }
+ }
+ }
+ return TRUE;
+}
+
projects / wxWidgets.git / blobdiff