+#if wxUSE_MENUS
+
+bool
+wxTopLevelWindowMSW::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
+{
+ // Ignore the special messages generated when the menu is closed (this is
+ // the only case when the flags are set to -1), in particular don't clear
+ // the help string in the status bar when this happens as it had just been
+ // restored by the base class code.
+ if ( !hMenu && flags == 0xffff )
+ return false;
+
+ // Unfortunately we also need to ignore another message which is sent after
+ // closing the currently active submenu of the menu bar by pressing Escape:
+ // in this case we get WM_UNINITMENUPOPUP, from which we generate
+ // wxEVT_MENU_CLOSE, and _then_ we get WM_MENUSELECT for the top level menu
+ // from which we overwrite the help string just restored by OnMenuClose()
+ // handler in wxFrameBase. To prevent this from happening we discard these
+ // messages but only in the case it's really the top level menu as we still
+ // need to clear the help string when a submenu is selected in a menu.
+ if ( flags == (MF_POPUP | MF_HILITE) && !m_menuDepth )
+ return false;
+
+ // sign extend to int from unsigned short we get from Windows
+ int item = (signed short)nItem;
+
+ // WM_MENUSELECT is generated for both normal items and menus, including
+ // the top level menus of the menu bar, which can't be represented using
+ // any valid identifier in wxMenuEvent so use an otherwise unused value for
+ // them
+ if ( flags & (MF_POPUP | MF_SEPARATOR) )
+ item = wxID_NONE;
+
+ wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
+ event.SetEventObject(this);
+
+ if ( HandleWindowEvent(event) )
+ return true;
+
+ // by default, i.e. if the event wasn't handled above, clear the status bar
+ // text when an item which can't have any associated help string in wx API
+ // is selected
+ if ( item == wxID_NONE )
+ DoGiveHelp(wxEmptyString, true);
+
+ return false;
+}
+
+bool
+wxTopLevelWindowMSW::DoSendMenuOpenCloseEvent(wxEventType evtType, wxMenu* menu, bool popup)
+{
+ // Update the menu depth when dealing with the top level menus.
+ if ( !popup )
+ {
+ if ( evtType == wxEVT_MENU_OPEN )
+ {
+ m_menuDepth++;
+ }
+ else if ( evtType == wxEVT_MENU_CLOSE )
+ {
+ wxASSERT_MSG( m_menuDepth > 0, wxS("No open menus?") );
+
+ m_menuDepth--;
+ }
+ else
+ {
+ wxFAIL_MSG( wxS("Unexpected menu event type") );
+ }
+ }
+
+ wxMenuEvent event(evtType, popup ? wxID_ANY : 0, menu);
+ event.SetEventObject(menu);
+
+ return HandleWindowEvent(event);
+}
+
+bool wxTopLevelWindowMSW::HandleExitMenuLoop(WXWORD isPopup)
+{
+ return DoSendMenuOpenCloseEvent(wxEVT_MENU_CLOSE,
+ isPopup ? wxCurrentPopupMenu : NULL,
+ isPopup != 0);
+}
+
+bool wxTopLevelWindowMSW::HandleMenuPopup(wxEventType evtType, WXHMENU hMenu)
+{
+ bool isPopup = false;
+ wxMenu* menu = NULL;
+ if ( wxCurrentPopupMenu && wxCurrentPopupMenu->GetHMenu() == hMenu )
+ {
+ menu = wxCurrentPopupMenu;
+ isPopup = true;
+ }
+ else
+ {
+ menu = MSWFindMenuFromHMENU(hMenu);
+ }
+
+
+ return DoSendMenuOpenCloseEvent(evtType, menu, isPopup);
+}
+
+wxMenu* wxTopLevelWindowMSW::MSWFindMenuFromHMENU(WXHMENU WXUNUSED(hMenu))
+{
+ // We don't have any menus at this level.
+ return NULL;
+}
+
+#endif // wxUSE_MENUS
+
+
+
projects / wxWidgets.git / blobdiff