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2009-07-12 Mike Kestner <mkestner@novell.com>

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* glib/GType.cs: add ResolveType event and TypeResolutionHandler delegate
	declarations.  This mechanism supports the lazy registration of type mappings
	by bindings.  Patch from Sebastian with minor naming tweek.  [Fixes #497667]

svn path=/trunk/gtk-sharp/; revision=137759
This commit is contained in:
Mike Kestner 2009-07-12 23:12:29 +00:00
parent 45c8f24cdf
commit c339d40680
2 changed files with 25 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2009-07-12 Mike Kestner <mkestner@novell.com>
* glib/GType.cs: add ResolveType event and TypeResolutionHandler delegate
declarations. This mechanism supports the lazy registration of type mappings
by bindings. Patch from Sebastian with minor naming tweek. [Fixes #497667]
2009-07-12 Mike Kestner <mkestner@novell.com>
* generator/Parameters.cs: another owned parameter patch from Sebastian.

19
glib/GType.cs
View File

@ -29,6 +29,8 @@ namespace GLib {
using System.Runtime.InteropServices;
using System.Text;
public delegate System.Type TypeResolutionHandler (GLib.GType gtype, string gtype_name);
[StructLayout(LayoutKind.Sequential)]
public struct GType {
@ -175,12 +177,29 @@ namespace GLib {
// cctor already calls g_type_init.
}
public static event TypeResolutionHandler ResolveType;
public static Type LookupType (IntPtr typeid)
{
if (types.Contains (typeid))
return (Type)types[typeid];
string native_name = Marshaller.Utf8PtrToString (g_type_name (typeid));
if (ResolveType != null) {
GLib.GType gt = new GLib.GType (typeid);
Delegate[] invocation_list = ResolveType.GetInvocationList ();
foreach (Delegate d in invocation_list) {
TypeResolutionHandler handler = (TypeResolutionHandler) d;
System.Type tmp = handler (gt, native_name);
if (tmp != null) {
Register (gt, tmp);
return tmp;
}
}
}
string type_name = GetQualifiedName (native_name);
if (type_name == null)
return null;