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//
// CommandMenu.cs
//
// Author:
// Lluis Sanchez Gual
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
namespace MonoDevelop.Components.Commands
{
public class CommandMenu: Gtk.Menu
{
CommandEntrySet commandEntrySet;
CommandManager manager;
object initialCommandTarget;
public CommandMenu (CommandManager manager)
{
this.manager = manager;
this.AccelGroup = manager.AccelGroup;
}
public CommandMenu (CommandManager manager, CommandEntrySet commandEntrySet) : this (manager)
{
this.commandEntrySet = commandEntrySet;
}
public object InitialCommandTarget {
get { return initialCommandTarget; }
set { initialCommandTarget = value; }
}
internal CommandManager CommandManager {
get {
if (manager == null) {
Gtk.Widget w = Parent;
while (w != null && !(w is CommandMenu) && !(w is CommandMenuBar)) {
w = w.Parent;
}
if (w is CommandMenu)
manager = ((CommandMenu)w).CommandManager;
else if (w is CommandMenuBar)
manager = ((CommandMenuBar)w).CommandManager;
else
throw new InvalidOperationException ("Menu not bound to a CommandManager.");
}
return manager;
}
}
protected CommandMenu (IntPtr ptr): base (ptr)
{
}
protected override void OnShown ()
{
base.OnShown ();
Update ();
}
protected override void OnRealized ()
{
base.OnRealized ();
if (commandEntrySet != null) {
manager.CreateMenu (commandEntrySet, this);
Update ();
commandEntrySet = null;
}
}
internal void Update ()
{
CommandTargetRoute targetRoute = new CommandTargetRoute (initialCommandTarget);
foreach (Gtk.Widget item in Children) {
if (item is ICommandUserItem)
((ICommandUserItem)item).Update (targetRoute);
else if (item is Gtk.MenuItem) {
Gtk.MenuItem mitem = (Gtk.MenuItem) item;
CommandMenu men = mitem.Submenu as CommandMenu;
if (men != null)
men.InitialCommandTarget = initialCommandTarget;
item.Show ();
if (item is AutoHideMenuItem) {
men.Update ();
if (!((AutoHideMenuItem)item).HasVisibleChildren)
item.Hide ();
}
}
else
item.Show ();
}
// After updating the menu, hide the separators which don't actually
// separate items.
bool prevWasItem = false;
Gtk.Widget lastSeparator = null;
foreach (Gtk.Widget item in Children) {
if (item is Gtk.SeparatorMenuItem) {
if (!prevWasItem)
item.Hide ();
else {
prevWasItem = false;
lastSeparator = item;
}
} else if (item.Visible)
prevWasItem = true;
}
if (!prevWasItem && lastSeparator != null)
lastSeparator.Hide ();
}
protected override void OnHidden ()
{
base.OnHidden ();
// Make sure the accelerators allways work for this item
// while the menu is hidden
foreach (Gtk.MenuItem item in Children) {
item.Sensitive = true;
item.Visible = true;
}
}
}
}
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