static void UpdateAutoHide(HIMenuItem item)
{
IntPtr submenu;
if (HIToolbox.GetMenuItemHierarchicalMenu(item.MenuRef, item.Index, out submenu) != CarbonMenuStatus.Ok)
{
return;
}
if (HasVisibleItems(submenu))
{
HIToolbox.ChangeMenuItemAttributes(item, 0, MenuItemAttributes.Hidden);
}
else
{
HIToolbox.ChangeMenuItemAttributes(item, MenuItemAttributes.Hidden, 0);
}
}
static void UpdateMenuItem(IntPtr rootMenu, IntPtr menuRef, ref ushort index, ref ushort count,
uint macCmdID, CommandInfo cinfo)
{
if (cinfo.ArrayInfo != null)
{
//remove the existing items, except one, which we hide, so it gets updated next time even if the list is empty
HIToolbox.ChangeMenuItemAttributes(new HIMenuItem(menuRef, index), MenuItemAttributes.Hidden, 0);
index++;
while (index <= count && HIToolbox.GetMenuItemCommandID(new HIMenuItem(menuRef, index)) == macCmdID)
{
HIToolbox.DeleteMenuItem(menuRef, index);
count--;
}
index--;
//add the new items
foreach (CommandInfo ci in cinfo.ArrayInfo)
{
count++;
HIToolbox.InsertMenuItem(menuRef, ci.Text, index++, 0, macCmdID);
//associate a reference constant with the menu, used to index the DataItem
//it's one-based, so that 0 can be used as a flag that there's no associated object
objectsToDestroyOnMenuClose.Add(ci.DataItem);
uint refcon = (uint)objectsToDestroyOnMenuClose.Count;
SetMenuItemAttributes(new HIMenuItem(menuRef, index), ci, refcon);
if (ci is CommandInfoSet)
{
BuildDynamicSubMenu(rootMenu, menuRef, index, macCmdID, (CommandInfoSet)ci);
}
}
}
else
{
SetMenuItemAttributes(new HIMenuItem(menuRef, index), cinfo, 0);
if (cinfo is CommandInfoSet)
{
BuildDynamicSubMenu(rootMenu, menuRef, index, macCmdID, (CommandInfoSet)cinfo);
}
}
}