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// This file was generated by the Gtk# code generator.
// Any changes made will be lost if regenerated.
namespace GtkSharp {
using System;
using System.Runtime.InteropServices;
#region Autogenerated code
[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
internal delegate void CallbackNative(IntPtr widget, IntPtr data);
internal class CallbackInvoker {
CallbackNative native_cb;
IntPtr __data;
GLib.DestroyNotify __notify;
~CallbackInvoker ()
{
if (__notify == null)
return;
__notify (__data);
}
internal CallbackInvoker (CallbackNative native_cb) : this (native_cb, IntPtr.Zero, null) {}
internal CallbackInvoker (CallbackNative native_cb, IntPtr data) : this (native_cb, data, null) {}
internal CallbackInvoker (CallbackNative native_cb, IntPtr data, GLib.DestroyNotify notify)
{
this.native_cb = native_cb;
__data = data;
__notify = notify;
}
internal Gtk.Callback Handler {
get {
return new Gtk.Callback(InvokeNative);
}
}
void InvokeNative (Gtk.Widget widget)
{
native_cb (widget == null ? IntPtr.Zero : widget.Handle, __data);
}
}
internal class CallbackWrapper {
public void NativeCallback (IntPtr widget, IntPtr data)
{
try {
managed (GLib.Object.GetObject(widget) as Gtk.Widget);
if (release_on_call)
gch.Free ();
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, false);
}
}
bool release_on_call = false;
GCHandle gch;
public void PersistUntilCalled ()
{
release_on_call = true;
gch = GCHandle.Alloc (this);
}
internal CallbackNative NativeDelegate;
Gtk.Callback managed;
public CallbackWrapper (Gtk.Callback managed)
{
this.managed = managed;
if (managed != null)
NativeDelegate = new CallbackNative (NativeCallback);
}
public static Gtk.Callback GetManagedDelegate (CallbackNative native)
{
if (native == null)
return null;
CallbackWrapper wrapper = (CallbackWrapper) native.Target;
if (wrapper == null)
return null;
return wrapper.managed;
}
}
#endregion
}
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