GtkSharp/gtk/Container.custom

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// Container.custom - customizations to Gtk.Container
//
// Authors: Mike Kestner <mkestner@ximian.com>
//
// Copyright (c) 2004 Novell, Inc.
[DllImport("libgtk-win32-2.0-0.dll")]
static extern IntPtr gtk_container_get_children (IntPtr raw);
public Widget[] Children {
get {
IntPtr list_ptr = gtk_container_get_children (Handle);
if (list_ptr == IntPtr.Zero)
return new Widget [0];
GLib.List list = new GLib.List (list_ptr);
Widget[] result = new Widget [list.Count];
for (int i = 0; i < list.Count; i++)
result [i] = list [i] as Widget;
return result;
}
}
[DllImport("libgtk-win32-2.0-0.dll")]
static extern bool gtk_container_get_focus_chain (IntPtr raw, out IntPtr list_ptr);
[DllImport("libgtk-win32-2.0-0.dll")]
static extern void gtk_container_set_focus_chain (IntPtr raw, IntPtr list_ptr);
public Widget[] FocusChain {
get {
IntPtr list_ptr;
bool success = gtk_container_get_focus_chain (Handle, out list_ptr);
if (!success)
return new Widget [0];
GLib.List list = new GLib.List (list_ptr);
Widget[] result = new Widget [list.Count];
for (int i = 0; i < list.Count; i++)
result [i] = list [i] as Widget;
return result;
}
set {
GLib.List list = new GLib.List (IntPtr.Zero);
foreach (Widget val in value)
list.Append (val.Handle);
gtk_container_set_focus_chain (Handle, list.Handle);
}
}
[DllImport("gtksharpglue")]
static extern void gtksharp_container_base_forall (IntPtr handle, bool include_internals, GtkSharp.CallbackNative cb, IntPtr data);
[DllImport("gtksharpglue")]
static extern void gtksharp_container_override_forall (GLib.GType gtype, ForallDelegate cb);
delegate void ForallDelegate (IntPtr container, bool include_internals, GtkSharp.CallbackNative cb, IntPtr data);
static ForallDelegate ForallCallback;
public struct CallbackInvoker {
GtkSharp.CallbackNative cb;
IntPtr data;
internal CallbackInvoker (GtkSharp.CallbackNative cb, IntPtr data)
{
this.cb = cb;
this.data = data;
}
internal IntPtr Data {
get {
return data;
}
}
internal GtkSharp.CallbackNative Delegate {
get {
return cb;
}
}
public void Invoke (Widget w)
{
cb (w.Handle, data);
}
}
static void Forall_cb (IntPtr container, bool include_internals, GtkSharp.CallbackNative cb, IntPtr data)
{
Container obj = GLib.Object.GetObject (container, false) as Container;
CallbackInvoker invoker = new CallbackInvoker (cb, data);
obj.OnForall (include_internals, invoker);
}
protected static void OverrideForall (GLib.GType gtype)
{
if (ForallCallback == null)
ForallCallback = new ForallDelegate (Forall_cb);
gtksharp_container_override_forall (gtype, ForallCallback);
}
protected virtual void OnForall (bool include_internals, CallbackInvoker invoker)
{
gtksharp_container_base_forall (Handle, include_internals, invoker.Delegate, invoker.Data);
}