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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] svn path=/trunk/gtk-sharp/; revision=137759
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@ -1,3 +1,9 @@
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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
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declarations. This mechanism supports the lazy registration of type mappings
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by bindings. Patch from Sebastian with minor naming tweek. [Fixes #497667]
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2009-07-12 Mike Kestner <mkestner@novell.com>
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* generator/Parameters.cs: another owned parameter patch from Sebastian.
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@ -29,6 +29,8 @@ namespace GLib {
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using System.Runtime.InteropServices;
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using System.Text;
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public delegate System.Type TypeResolutionHandler (GLib.GType gtype, string gtype_name);
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[StructLayout(LayoutKind.Sequential)]
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public struct GType {
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@ -175,12 +177,29 @@ namespace GLib {
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// cctor already calls g_type_init.
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}
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public static event TypeResolutionHandler ResolveType;
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public static Type LookupType (IntPtr typeid)
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{
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if (types.Contains (typeid))
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return (Type)types[typeid];
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string native_name = Marshaller.Utf8PtrToString (g_type_name (typeid));
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if (ResolveType != null) {
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GLib.GType gt = new GLib.GType (typeid);
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Delegate[] invocation_list = ResolveType.GetInvocationList ();
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foreach (Delegate d in invocation_list) {
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TypeResolutionHandler handler = (TypeResolutionHandler) d;
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System.Type tmp = handler (gt, native_name);
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if (tmp != null) {
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Register (gt, tmp);
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return tmp;
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}
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}
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}
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string type_name = GetQualifiedName (native_name);
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if (type_name == null)
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return null;
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