+// MacOS needs to know about submenus somewhere within this menu
+// before it can be displayed , also hide special menu items like preferences
+// that are handled by the OS
+void wxMenu::MacBeforeDisplay( bool isSubMenu )
+{
+ wxMenuItem* previousItem = NULL ;
+ size_t pos ;
+ wxMenuItemList::compatibility_iterator node;
+ wxMenuItem *item;
+ for (pos = 0, node = GetMenuItems().GetFirst(); node; node = node->GetNext(), pos++)
+ {
+ item = (wxMenuItem *)node->GetData();
+ wxMenu* subMenu = item->GetSubMenu() ;
+ if (subMenu)
+ {
+ subMenu->MacBeforeDisplay( true ) ;
+ }
+ else // normal item
+ {
+ #if TARGET_CARBON
+ if ( UMAGetSystemVersion() >= 0x1000 )
+ {
+ // what we do here is to hide the special items which are
+ // shown in the application menu anyhow -- it doesn't make
+ // sense to show them in their normal place as well
+ if ( item->GetId() == wxApp::s_macPreferencesMenuItemId ||
+ item->GetId() == wxApp::s_macExitMenuItemId )
+ {
+ ChangeMenuItemAttributes( MAC_WXHMENU( GetHMenu() ),
+ pos + 1, kMenuItemAttrHidden, 0 );
+
+ // also check for a separator which was used just to
+ // separate this item from the others, so don't leave
+ // separator at the menu start or end nor 2 consecutive
+ // separators
+ wxMenuItemList::compatibility_iterator nextNode = node->GetNext();
+ wxMenuItem *next = nextNode ? nextNode->GetData() : NULL;
+
+ size_t posSeptoHide;
+ if ( !previousItem && next && next->IsSeparator() )
+ {
+ // next (i.e. second as we must be first) item is
+ // the separator to hide
+ wxASSERT_MSG( pos == 0, _T("should be the menu start") );
+ posSeptoHide = 2;
+ }
+ else if ( GetMenuItems().GetCount() == pos + 1 &&
+ previousItem != NULL &&
+ previousItem->IsSeparator() )
+ {
+ // prev item is a trailing separator we want to hide
+ posSeptoHide = pos;
+ }
+ else if ( previousItem && previousItem->IsSeparator() &&
+ next && next->IsSeparator() )
+ {
+ // two consecutive separators, this is one too many
+ posSeptoHide = pos;
+ }
+ else // no separators to hide
+ {
+ posSeptoHide = 0;
+ }
+
+ if ( posSeptoHide )
+ {
+ // hide the separator as well
+ ChangeMenuItemAttributes( MAC_WXHMENU( GetHMenu() ),
+ posSeptoHide,
+ kMenuItemAttrHidden,
+ 0 );
+ }
+ }
+ }
+ #endif // TARGET_CARBON
+ }
+ previousItem = item ;
+ }
+
+ if ( isSubMenu )
+ ::InsertMenu(MAC_WXHMENU( GetHMenu()), -1);
+
+}
+// undo all changes from the MacBeforeDisplay call
+void wxMenu::MacAfterDisplay( bool isSubMenu )
+{
+ if ( isSubMenu )
+ ::DeleteMenu(MacGetMenuId());
+
+ wxMenuItem* previousItem = NULL ;
+ int pos ;
+ wxMenuItemList::compatibility_iterator node;
+ wxMenuItem *item;
+ for (pos = 0, node = GetMenuItems().GetFirst(); node; node = node->GetNext(), pos++)
+ {
+ item = (wxMenuItem *)node->GetData();
+ wxMenu* subMenu = item->GetSubMenu() ;
+ if (subMenu)
+ {
+ subMenu->MacAfterDisplay( true ) ;
+ }
+ else
+ {
+ // no need to undo hidings
+ }
+ previousItem = item ;
+ }
+}
+
projects / wxWidgets.git / blobdiff