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Add possibility to pick glib type name for custom classes

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This patch adds TypeName attribute which can be used on custom class
derived from GLib.Object in order to set GLib type name of the class.
This commit is contained in:
Martin Kupec 2015-09-01 23:55:41 +02:00 committed by Harol Alfonso Reina
parent 5a7a0f7a3c
commit a76f60df81
4 changed files with 61 additions and 4 deletions
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21
glib/GType.cs
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@ -95,19 +95,32 @@ namespace GLib {
public static readonly GType Variant = new GType ((IntPtr) TypeFundamentals.TypeVariant);
static HashSet<GType> managedTypes = new HashSet<GType> ();
static IDictionary<IntPtr, Type> types = new Dictionary<IntPtr, Type> ();
static IDictionary<Type, GType> gtypes = new Dictionary<Type, GType> ();
public static void Register (GType native_type, System.Type type)
{
Register (native_type, type, false);
}
public static void Register (GType native_type, System.Type type, bool managed)
{
lock (types) {
if (native_type != GType.Pointer && native_type != GType.Boxed && native_type != ManagedValue.GType)
types[native_type.Val] = type;
if (type != null)
gtypes[type] = native_type;
if (managed)
managedTypes.Add(native_type);
}
}
public static bool IsManaged (GType gtype)
{
return managedTypes.Contains(gtype);
}
static GType ()
{
g_type_init ();
@ -318,7 +331,7 @@ namespace GLib {
public GType GetThresholdType ()
{
GType curr_type = this;
while (curr_type.ToString ().StartsWith ("__gtksharp_"))
while (IsManaged (curr_type))
curr_type = curr_type.GetBaseType ();
return curr_type;
}
@ -364,7 +377,9 @@ namespace GLib {
internal static GType RegisterGObjectType (Object.ClassInitializer gobject_class_initializer)
{
GType parent_gtype = LookupGObjectType (gobject_class_initializer.Type.BaseType);
string name = BuildEscapedName (gobject_class_initializer.Type);
TypeNameAttribute nattr = (TypeNameAttribute)Attribute.GetCustomAttribute (gobject_class_initializer.Type, typeof (TypeNameAttribute), false);
string name = nattr != null ? nattr.Name : BuildEscapedName (gobject_class_initializer.Type);
IntPtr native_name = GLib.Marshaller.StringToPtrGStrdup (name);
GTypeQuery query;
@ -376,7 +391,7 @@ namespace GLib {
GType gtype = new GType (g_type_register_static (parent_gtype.Val, native_name, ref info, 0));
GLib.Marshaller.Free (native_name);
Register (gtype, gobject_class_initializer.Type);
Register (gtype, gobject_class_initializer.Type, true);
return gtype;
}

1
glib/Makefile.am
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@ -90,6 +90,7 @@ sources = \
ToggleRef.cs \
TypeFundamentals.cs \
TypeInitializerAttribute.cs \
TypeNameAttribute.cs \
ValueArray.cs \
Value.cs \
Variant.cs \

2
glib/Object.cs
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@ -619,7 +619,7 @@ namespace GLib {
protected virtual void CreateNativeObject (string[] names, GLib.Value[] vals)
{
GType gtype = LookupGType ();
bool is_managed_subclass = gtype.ToString ().StartsWith ("__gtksharp");
bool is_managed_subclass = GType.IsManaged (gtype);
GParameter[] parms = new GParameter [is_managed_subclass ? names.Length + 1 : names.Length];
for (int i = 0; i < names.Length; i++) {
parms [i].name = GLib.Marshaller.StringToPtrGStrdup (names [i]);

41
glib/TypeNameAttribute.cs Normal file
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@ -0,0 +1,41 @@
// TypeNameAttribute.cs
//
// Copyright (c) 2015 Martin Kupec
// Copyright (c) 2015 Ales Kurecka
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the Lesser GNU General
// Public License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
namespace GLib {
using System;
[AttributeUsage (AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
public sealed class TypeNameAttribute : Attribute {
private readonly string name;
public TypeNameAttribute (string name)
{
this.name = name;
}
public string Name
{
get {
return name;
}
}
}
}