+// ----------------------------------------------------------------------------
+// Pop-up menu stuff
+// ----------------------------------------------------------------------------
+
+#if wxUSE_MENUS_NATIVE
+
+extern "C" WXDLLIMPEXP_CORE
+void gtk_pop_hide_callback( GtkWidget *WXUNUSED(widget), bool* is_waiting )
+{
+ *is_waiting = false;
+}
+
+WXDLLIMPEXP_CORE void SetInvokingWindow( wxMenu *menu, wxWindow* win )
+{
+ menu->SetInvokingWindow( win );
+
+ wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
+ while (node)
+ {
+ wxMenuItem *menuitem = node->GetData();
+ if (menuitem->IsSubMenu())
+ {
+ SetInvokingWindow( menuitem->GetSubMenu(), win );
+ }
+
+ node = node->GetNext();
+ }
+}
+
+extern "C" WXDLLIMPEXP_CORE
+void wxPopupMenuPositionCallback( GtkMenu *menu,
+ gint *x, gint *y,
+ gboolean * WXUNUSED(whatever),
+ gpointer user_data )
+{
+ // ensure that the menu appears entirely on screen
+ GtkRequisition req;
+ gtk_widget_get_child_requisition(GTK_WIDGET(menu), &req);
+
+ wxSize sizeScreen = wxGetDisplaySize();
+ wxPoint *pos = (wxPoint*)user_data;
+
+ gint xmax = sizeScreen.x - req.width,
+ ymax = sizeScreen.y - req.height;
+
+ *x = pos->x < xmax ? pos->x : xmax;
+ *y = pos->y < ymax ? pos->y : ymax;
+}
+
+bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
+{
+ wxCHECK_MSG( m_widget != NULL, false, wxT("invalid window") );
+
+ wxCHECK_MSG( menu != NULL, false, wxT("invalid popup-menu") );
+
+ // NOTE: if you change this code, you need to update
+ // the same code in taskbar.cpp as well. This
+ // is ugly code duplication, I know.
+
+ SetInvokingWindow( menu, this );
+
+ menu->UpdateUI();
+
+ bool is_waiting = true;
+
+ gulong handler = g_signal_connect (menu->m_menu, "hide",
+ G_CALLBACK (gtk_pop_hide_callback),
+ &is_waiting);
+
+ wxPoint pos;
+ gpointer userdata;
+ GtkMenuPositionFunc posfunc;
+ if ( x == -1 && y == -1 )
+ {
+ // use GTK's default positioning algorithm
+ userdata = NULL;
+ posfunc = NULL;
+ }
+ else
+ {
+ pos = ClientToScreen(wxPoint(x, y));
+ userdata = &pos;
+ posfunc = wxPopupMenuPositionCallback;
+ }
+
+ wxMenuEvent eventOpen(wxEVT_MENU_OPEN, -1, menu);
+ DoCommonMenuCallbackCode(menu, eventOpen);
+
+ gtk_menu_popup(
+ GTK_MENU(menu->m_menu),
+ (GtkWidget *) NULL, // parent menu shell
+ (GtkWidget *) NULL, // parent menu item
+ posfunc, // function to position it
+ userdata, // client data
+ 0, // button used to activate it
+ gtk_get_current_event_time()
+ );
+
+ while (is_waiting)
+ {
+ gtk_main_iteration();
+ }
+
+ g_signal_handler_disconnect (menu->m_menu, handler);
+
+ wxMenuEvent eventClose(wxEVT_MENU_CLOSE, -1, menu);
+ DoCommonMenuCallbackCode(menu, eventClose);
+
+ return true;
+}
+
+#endif // wxUSE_MENUS_NATIVE
projects / wxWidgets.git / blobdiff