ryujinx-archive/GtkSharp
2
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

2007-04-17 Mike Kestner <mkestner@novell.com>

Browse source 
* gtk/Gtk.metadata : hide TreeModel.RowsReordered signal so we can do
	a correct implementation while maintaining compat with the existing 
	broken "NewOrder" parameter.
	* gtk/ListStore.custom : manual RowsReordered signal implementation.
	* gtk/RowsReorderedHandler.cs : manual implementation for preserve compat
	in the Args class. Adds NewChildOrder to replace the broken ChildOrder.
	* gtk/TreeModel.custom : manual RowsReordered signal declaration.
	* gtk/TreeModelFilter.custom : manual RowsReordered signal implementation.
	* gtk/TreeModelSort.custom : manual RowsReordered signal implementation.
	* gtk/TreeStore.custom : manual RowsReordered signal implementation.
	[Fixes #78512]

svn path=/trunk/gtk-sharp/; revision=75837
This commit is contained in:
Mike Kestner 2007-04-17 17:42:58 +00:00
parent e8c9485a52
commit b108f0142e
9 changed files with 474 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
ChangeLog
View file

@ -1,3 +1,17 @@
2007-04-17 Mike Kestner <mkestner@novell.com>
* gtk/Gtk.metadata : hide TreeModel.RowsReordered signal so we can do
a correct implementation while maintaining compat with the existing
broken "NewOrder" parameter.
* gtk/ListStore.custom : manual RowsReordered signal implementation.
* gtk/RowsReorderedHandler.cs : manual implementation for preserve compat
in the Args class. Adds NewChildOrder to replace the broken ChildOrder.
* gtk/TreeModel.custom : manual RowsReordered signal declaration.
* gtk/TreeModelFilter.custom : manual RowsReordered signal implementation.
* gtk/TreeModelSort.custom : manual RowsReordered signal implementation.
* gtk/TreeStore.custom : manual RowsReordered signal implementation.
[Fixes #78512]
2007-04-17 Ben Motmans <ben.motmans@gmail.com>
* doc/en/Gtk/Widget.xml:

1
gtk/Gtk.metadata
View file

@ -162,6 +162,7 @@
<attr path="/api/namespace/interface[@cname='GtkTreeModel']/method[@name='RowInserted']" name="name">EmitRowInserted</attr>
<attr path="/api/namespace/interface[@cname='GtkTreeModel']/method[@name='RowsReordered']" name="name">EmitRowsReordered</attr>
<attr path="/api/namespace/interface[@cname='GtkTreeSortable']/method[@name='SortColumnChanged']" name="name">ChangeSortColumn</attr>
<attr path="/api/namespace/interface[@cname='GtkTreeModel']/signal[@name='RowsReordered']" name="hidden">1</attr>
<attr path="/api/namespace/object[@cname='GtkAccelLabel']/constructor[@cname='gtk_accel_label_new']/*/*[@name='string']" name="property_name">label</attr>
<attr path="/api/namespace/object[@cname='GtkAboutDialog']/method[@name='GetArtists']" name="hidden">1</attr>
<attr path="/api/namespace/object[@cname='GtkAboutDialog']/method[@name='GetAuthors']" name="hidden">1</attr>

100
gtk/ListStore.custom
View file

@ -170,3 +170,103 @@
return new TreeEnumerator(this);
}
[GLib.CDeclCallback]
delegate void RowsReorderedSignalDelegate (IntPtr arg0, IntPtr arg1, IntPtr arg2, IntPtr arg3, IntPtr gch);
static void RowsReorderedSignalCallback (IntPtr arg0, IntPtr arg1, IntPtr arg2, IntPtr arg3, IntPtr gch)
{
Gtk.RowsReorderedArgs args = new Gtk.RowsReorderedArgs ();
try {
GLib.Signal sig = ((GCHandle) gch).Target as GLib.Signal;
if (sig == null)
throw new Exception("Unknown signal GC handle received " + gch);
ListStore sender = GLib.Object.GetObject (arg0) as ListStore;
args.Args = new object[3];
args.Args[0] = arg1 == IntPtr.Zero ? null : (Gtk.TreePath) GLib.Opaque.GetOpaque (arg1, typeof (Gtk.TreePath), false);
args.Args[1] = Gtk.TreeIter.New (arg2);
int child_cnt = sender.IterNChildren ();
int[] new_order = new int [child_cnt];
Marshal.Copy (arg3, new_order, 0, child_cnt);
args.Args[2] = new_order;
Gtk.RowsReorderedHandler handler = (Gtk.RowsReorderedHandler) sig.Handler;
handler (sender, args);
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, false);
}
}
[GLib.CDeclCallback]
delegate void RowsReorderedVMDelegate (IntPtr tree_model, IntPtr path, IntPtr iter, IntPtr new_order);
static RowsReorderedVMDelegate RowsReorderedVMCallback;
static void rowsreordered_cb (IntPtr tree_model, IntPtr path_ptr, IntPtr iter_ptr, IntPtr new_order)
{
try {
ListStore store = GLib.Object.GetObject (tree_model, false) as ListStore;
TreePath path = GLib.Opaque.GetOpaque (path_ptr, typeof (TreePath), false) as TreePath;
TreeIter iter = TreeIter.New (iter_ptr);
int child_cnt = store.IterNChildren ();
int[] child_order = new int [child_cnt];
Marshal.Copy (new_order, child_order, 0, child_cnt);
store.OnRowsReordered (path, iter, child_order);
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, true);
// NOTREACHED: above call doesn't return
throw e;
}
}
private static void OverrideRowsReordered (GLib.GType gtype)
{
if (RowsReorderedVMCallback == null)
RowsReorderedVMCallback = new RowsReorderedVMDelegate (rowsreordered_cb);
OverrideVirtualMethod (gtype, "rows_reordered", RowsReorderedVMCallback);
}
[Obsolete ("Replaced by int[] new_order overload.")]
[GLib.DefaultSignalHandler(Type=typeof(Gtk.ListStore), ConnectionMethod="OverrideRowsReordered")]
protected virtual void OnRowsReordered (Gtk.TreePath path, Gtk.TreeIter iter, out int new_order)
{
new_order = -1;
}
[GLib.DefaultSignalHandler(Type=typeof(Gtk.ListStore), ConnectionMethod="OverrideRowsReordered")]
protected virtual void OnRowsReordered (Gtk.TreePath path, Gtk.TreeIter iter, int[] new_order)
{
int dummy;
OnRowsReordered (path, iter, out dummy);
GLib.Value ret = GLib.Value.Empty;
GLib.ValueArray inst_and_params = new GLib.ValueArray (4);
GLib.Value[] vals = new GLib.Value [4];
vals [0] = new GLib.Value (this);
inst_and_params.Append (vals [0]);
vals [1] = new GLib.Value (path);
inst_and_params.Append (vals [1]);
vals [2] = new GLib.Value (iter);
inst_and_params.Append (vals [2]);
int cnt = IterNChildren ();
IntPtr new_order_ptr = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (int)) * cnt);
Marshal.Copy (new_order, 0, new_order_ptr, cnt);
vals [3] = new GLib.Value (new_order_ptr);
inst_and_params.Append (vals [3]);
g_signal_chain_from_overridden (inst_and_params.ArrayPtr, ref ret);
Marshal.FreeHGlobal (new_order_ptr);
foreach (GLib.Value v in vals)
v.Dispose ();
}
[GLib.Signal("rows_reordered")]
public event Gtk.RowsReorderedHandler RowsReordered {
add {
GLib.Signal sig = GLib.Signal.Lookup (this, "rows_reordered", new RowsReorderedSignalDelegate(RowsReorderedSignalCallback));
sig.AddDelegate (value);
}
remove {
GLib.Signal sig = GLib.Signal.Lookup (this, "rows_reordered", new RowsReorderedSignalDelegate(RowsReorderedSignalCallback));
sig.RemoveDelegate (value);
}
}

1
gtk/Makefile.am
View file

@ -21,6 +21,7 @@ sources = \
NodeStore.cs \
NodeView.cs \
RadioActionEntry.cs \
RowsReorderedHandler.cs \
StockManager.cs \
ThreadNotify.cs \
ToggleActionEntry.cs \

54
gtk/RowsReorderedHandler.cs Normal file
View file

@ -0,0 +1,54 @@
// RowsReorderedHandler.cs
//
// Authors: Mike Kestner <mkestner@novell.com>
//
// Copyright (c) 2007 Novell, Inc.
//
// 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 Gtk {
using System;
public delegate void RowsReorderedHandler (object o, RowsReorderedArgs args);
public class RowsReorderedArgs : GLib.SignalArgs {
public Gtk.TreePath Path{
get {
return (Gtk.TreePath) Args[0];
}
}
public Gtk.TreeIter Iter{
get {
return (Gtk.TreeIter) Args[1];
}
}
[Obsolete ("Replaced by NewChildOrder property")]
public int NewOrder{
set { }
}
public int[] NewChildOrder {
get {
return (int[]) Args[2];
}
}
}
}

2
gtk/TreeModel.custom
View file

@ -41,3 +41,5 @@
void SetValue (Gtk.TreeIter iter, int column, uint value);
void SetValue (Gtk.TreeIter iter, int column, object value);
object GetValue(Gtk.TreeIter iter, int column);
event RowsReorderedHandler RowsReordered;

100
gtk/TreeModelFilter.custom
View file

@ -83,3 +83,103 @@
return TreeIter.Zero;
}
[GLib.CDeclCallback]
delegate void RowsReorderedSignalDelegate (IntPtr arg0, IntPtr arg1, IntPtr arg2, IntPtr arg3, IntPtr gch);
static void RowsReorderedSignalCallback (IntPtr arg0, IntPtr arg1, IntPtr arg2, IntPtr arg3, IntPtr gch)
{
Gtk.RowsReorderedArgs args = new Gtk.RowsReorderedArgs ();
try {
GLib.Signal sig = ((GCHandle) gch).Target as GLib.Signal;
if (sig == null)
throw new Exception("Unknown signal GC handle received " + gch);
TreeModelFilter sender = GLib.Object.GetObject (arg0) as TreeModelFilter;
args.Args = new object[3];
args.Args[0] = arg1 == IntPtr.Zero ? null : (Gtk.TreePath) GLib.Opaque.GetOpaque (arg1, typeof (Gtk.TreePath), false);
args.Args[1] = Gtk.TreeIter.New (arg2);
int child_cnt = sender.IterNChildren ((TreeIter)args.Args[1]);
int[] new_order = new int [child_cnt];
Marshal.Copy (arg3, new_order, 0, child_cnt);
args.Args[2] = new_order;
Gtk.RowsReorderedHandler handler = (Gtk.RowsReorderedHandler) sig.Handler;
handler (sender, args);
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, false);
}
}
[GLib.CDeclCallback]
delegate void RowsReorderedVMDelegate (IntPtr tree_model, IntPtr path, IntPtr iter, IntPtr new_order);
static RowsReorderedVMDelegate RowsReorderedVMCallback;
static void rowsreordered_cb (IntPtr tree_model, IntPtr path_ptr, IntPtr iter_ptr, IntPtr new_order)
{
try {
TreeModelFilter store = GLib.Object.GetObject (tree_model, false) as TreeModelFilter;
TreePath path = GLib.Opaque.GetOpaque (path_ptr, typeof (TreePath), false) as TreePath;
TreeIter iter = TreeIter.New (iter_ptr);
int child_cnt = store.IterNChildren (iter);
int[] child_order = new int [child_cnt];
Marshal.Copy (new_order, child_order, 0, child_cnt);
store.OnRowsReordered (path, iter, child_order);
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, true);
// NOTREACHED: above call doesn't return
throw e;
}
}
private static void OverrideRowsReordered (GLib.GType gtype)
{
if (RowsReorderedVMCallback == null)
RowsReorderedVMCallback = new RowsReorderedVMDelegate (rowsreordered_cb);
OverrideVirtualMethod (gtype, "rows_reordered", RowsReorderedVMCallback);
}
[Obsolete ("Replaced by int[] new_order overload.")]
[GLib.DefaultSignalHandler(Type=typeof(Gtk.TreeModelFilter), ConnectionMethod="OverrideRowsReordered")]
protected virtual void OnRowsReordered (Gtk.TreePath path, Gtk.TreeIter iter, out int new_order)
{
new_order = -1;
}
[GLib.DefaultSignalHandler(Type=typeof(Gtk.TreeModelFilter), ConnectionMethod="OverrideRowsReordered")]
protected virtual void OnRowsReordered (Gtk.TreePath path, Gtk.TreeIter iter, int[] new_order)
{
int dummy;
OnRowsReordered (path, iter, out dummy);
GLib.Value ret = GLib.Value.Empty;
GLib.ValueArray inst_and_params = new GLib.ValueArray (4);
GLib.Value[] vals = new GLib.Value [4];
vals [0] = new GLib.Value (this);
inst_and_params.Append (vals [0]);
vals [1] = new GLib.Value (path);
inst_and_params.Append (vals [1]);
vals [2] = new GLib.Value (iter);
inst_and_params.Append (vals [2]);
int cnt = IterNChildren (iter);
IntPtr new_order_ptr = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (int)) * cnt);
Marshal.Copy (new_order, 0, new_order_ptr, cnt);
vals [3] = new GLib.Value (new_order_ptr);
inst_and_params.Append (vals [3]);
g_signal_chain_from_overridden (inst_and_params.ArrayPtr, ref ret);
Marshal.FreeHGlobal (new_order_ptr);
foreach (GLib.Value v in vals)
v.Dispose ();
}
[GLib.Signal("rows_reordered")]
public event Gtk.RowsReorderedHandler RowsReordered {
add {
GLib.Signal sig = GLib.Signal.Lookup (this, "rows_reordered", new RowsReorderedSignalDelegate(RowsReorderedSignalCallback));
sig.AddDelegate (value);
}
remove {
GLib.Signal sig = GLib.Signal.Lookup (this, "rows_reordered", new RowsReorderedSignalDelegate(RowsReorderedSignalCallback));
sig.RemoveDelegate (value);
}
}

101
gtk/TreeModelSort.custom
View file

@ -96,3 +96,104 @@
{
DefaultSortFunc = sort_func;
}
[GLib.CDeclCallback]
delegate void RowsReorderedSignalDelegate (IntPtr arg0, IntPtr arg1, IntPtr arg2, IntPtr arg3, IntPtr gch);
static void RowsReorderedSignalCallback (IntPtr arg0, IntPtr arg1, IntPtr arg2, IntPtr arg3, IntPtr gch)
{
Gtk.RowsReorderedArgs args = new Gtk.RowsReorderedArgs ();
try {
GLib.Signal sig = ((GCHandle) gch).Target as GLib.Signal;
if (sig == null)
throw new Exception("Unknown signal GC handle received " + gch);
TreeModelSort sender = GLib.Object.GetObject (arg0) as TreeModelSort;
args.Args = new object[3];
args.Args[0] = arg1 == IntPtr.Zero ? null : (Gtk.TreePath) GLib.Opaque.GetOpaque (arg1, typeof (Gtk.TreePath), false);
args.Args[1] = Gtk.TreeIter.New (arg2);
int child_cnt = sender.IterNChildren ((TreeIter)args.Args[1]);
int[] new_order = new int [child_cnt];
Marshal.Copy (arg3, new_order, 0, child_cnt);
args.Args[2] = new_order;
Gtk.RowsReorderedHandler handler = (Gtk.RowsReorderedHandler) sig.Handler;
handler (sender, args);
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, false);
}
}
[GLib.CDeclCallback]
delegate void RowsReorderedVMDelegate (IntPtr tree_model, IntPtr path, IntPtr iter, IntPtr new_order);
static RowsReorderedVMDelegate RowsReorderedVMCallback;
static void rowsreordered_cb (IntPtr tree_model, IntPtr path_ptr, IntPtr iter_ptr, IntPtr new_order)
{
try {
TreeModelSort store = GLib.Object.GetObject (tree_model, false) as TreeModelSort;
TreePath path = GLib.Opaque.GetOpaque (path_ptr, typeof (TreePath), false) as TreePath;
TreeIter iter = TreeIter.New (iter_ptr);
int child_cnt = store.IterNChildren (iter);
int[] child_order = new int [child_cnt];
Marshal.Copy (new_order, child_order, 0, child_cnt);
store.OnRowsReordered (path, iter, child_order);
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, true);
// NOTREACHED: above call doesn't return
throw e;
}
}
private static void OverrideRowsReordered (GLib.GType gtype)
{
if (RowsReorderedVMCallback == null)
RowsReorderedVMCallback = new RowsReorderedVMDelegate (rowsreordered_cb);
OverrideVirtualMethod (gtype, "rows_reordered", RowsReorderedVMCallback);
}
[Obsolete ("Replaced by int[] new_order overload.")]
[GLib.DefaultSignalHandler(Type=typeof(Gtk.TreeModelSort), ConnectionMethod="OverrideRowsReordered")]
protected virtual void OnRowsReordered (Gtk.TreePath path, Gtk.TreeIter iter, out int new_order)
{
new_order = -1;
}
[GLib.DefaultSignalHandler(Type=typeof(Gtk.TreeModelSort), ConnectionMethod="OverrideRowsReordered")]
protected virtual void OnRowsReordered (Gtk.TreePath path, Gtk.TreeIter iter, int[] new_order)
{
int dummy;
OnRowsReordered (path, iter, out dummy);
GLib.Value ret = GLib.Value.Empty;
GLib.ValueArray inst_and_params = new GLib.ValueArray (4);
GLib.Value[] vals = new GLib.Value [4];
vals [0] = new GLib.Value (this);
inst_and_params.Append (vals [0]);
vals [1] = new GLib.Value (path);
inst_and_params.Append (vals [1]);
vals [2] = new GLib.Value (iter);
inst_and_params.Append (vals [2]);
int cnt = IterNChildren (iter);
IntPtr new_order_ptr = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (int)) * cnt);
Marshal.Copy (new_order, 0, new_order_ptr, cnt);
vals [3] = new GLib.Value (new_order_ptr);
inst_and_params.Append (vals [3]);
g_signal_chain_from_overridden (inst_and_params.ArrayPtr, ref ret);
Marshal.FreeHGlobal (new_order_ptr);
foreach (GLib.Value v in vals)
v.Dispose ();
}
[GLib.Signal("rows_reordered")]
public event Gtk.RowsReorderedHandler RowsReordered {
add {
GLib.Signal sig = GLib.Signal.Lookup (this, "rows_reordered", new RowsReorderedSignalDelegate(RowsReorderedSignalCallback));
sig.AddDelegate (value);
}
remove {
GLib.Signal sig = GLib.Signal.Lookup (this, "rows_reordered", new RowsReorderedSignalDelegate(RowsReorderedSignalCallback));
sig.RemoveDelegate (value);
}
}

101
gtk/TreeStore.custom
View file

@ -339,3 +339,104 @@
{
DefaultSortFunc = sort_func;
}
[GLib.CDeclCallback]
delegate void RowsReorderedSignalDelegate (IntPtr arg0, IntPtr arg1, IntPtr arg2, IntPtr arg3, IntPtr gch);
static void RowsReorderedSignalCallback (IntPtr arg0, IntPtr arg1, IntPtr arg2, IntPtr arg3, IntPtr gch)
{
Gtk.RowsReorderedArgs args = new Gtk.RowsReorderedArgs ();
try {
GLib.Signal sig = ((GCHandle) gch).Target as GLib.Signal;
if (sig == null)
throw new Exception("Unknown signal GC handle received " + gch);
TreeStore sender = GLib.Object.GetObject (arg0) as TreeStore;
args.Args = new object[3];
args.Args[0] = arg1 == IntPtr.Zero ? null : (Gtk.TreePath) GLib.Opaque.GetOpaque (arg1, typeof (Gtk.TreePath), false);
args.Args[1] = Gtk.TreeIter.New (arg2);
int child_cnt = sender.IterNChildren ((TreeIter)args.Args[1]);
int[] new_order = new int [child_cnt];
Marshal.Copy (arg3, new_order, 0, child_cnt);
args.Args[2] = new_order;
Gtk.RowsReorderedHandler handler = (Gtk.RowsReorderedHandler) sig.Handler;
handler (sender, args);
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, false);
}
}
[GLib.CDeclCallback]
delegate void RowsReorderedVMDelegate (IntPtr tree_model, IntPtr path, IntPtr iter, IntPtr new_order);
static RowsReorderedVMDelegate RowsReorderedVMCallback;
static void rowsreordered_cb (IntPtr tree_model, IntPtr path_ptr, IntPtr iter_ptr, IntPtr new_order)
{
try {
TreeStore store = GLib.Object.GetObject (tree_model, false) as TreeStore;
TreePath path = GLib.Opaque.GetOpaque (path_ptr, typeof (TreePath), false) as TreePath;
TreeIter iter = TreeIter.New (iter_ptr);
int child_cnt = store.IterNChildren (iter);
int[] child_order = new int [child_cnt];
Marshal.Copy (new_order, child_order, 0, child_cnt);
store.OnRowsReordered (path, iter, child_order);
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, true);
// NOTREACHED: above call doesn't return
throw e;
}
}
private static void OverrideRowsReordered (GLib.GType gtype)
{
if (RowsReorderedVMCallback == null)
RowsReorderedVMCallback = new RowsReorderedVMDelegate (rowsreordered_cb);
OverrideVirtualMethod (gtype, "rows_reordered", RowsReorderedVMCallback);
}
[Obsolete ("Replaced by int[] new_order overload.")]
[GLib.DefaultSignalHandler(Type=typeof(Gtk.TreeStore), ConnectionMethod="OverrideRowsReordered")]
protected virtual void OnRowsReordered (Gtk.TreePath path, Gtk.TreeIter iter, out int new_order)
{
new_order = -1;
}
[GLib.DefaultSignalHandler(Type=typeof(Gtk.TreeStore), ConnectionMethod="OverrideRowsReordered")]
protected virtual void OnRowsReordered (Gtk.TreePath path, Gtk.TreeIter iter, int[] new_order)
{
int dummy;
OnRowsReordered (path, iter, out dummy);
GLib.Value ret = GLib.Value.Empty;
GLib.ValueArray inst_and_params = new GLib.ValueArray (4);
GLib.Value[] vals = new GLib.Value [4];
vals [0] = new GLib.Value (this);
inst_and_params.Append (vals [0]);
vals [1] = new GLib.Value (path);
inst_and_params.Append (vals [1]);
vals [2] = new GLib.Value (iter);
inst_and_params.Append (vals [2]);
int cnt = IterNChildren (iter);
IntPtr new_order_ptr = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (int)) * cnt);
Marshal.Copy (new_order, 0, new_order_ptr, cnt);
vals [3] = new GLib.Value (new_order_ptr);
inst_and_params.Append (vals [3]);
g_signal_chain_from_overridden (inst_and_params.ArrayPtr, ref ret);
Marshal.FreeHGlobal (new_order_ptr);
foreach (GLib.Value v in vals)
v.Dispose ();
}
[GLib.Signal("rows_reordered")]
public event Gtk.RowsReorderedHandler RowsReordered {
add {
GLib.Signal sig = GLib.Signal.Lookup (this, "rows_reordered", new RowsReorderedSignalDelegate(RowsReorderedSignalCallback));
sig.AddDelegate (value);
}
remove {
GLib.Signal sig = GLib.Signal.Lookup (this, "rows_reordered", new RowsReorderedSignalDelegate(RowsReorderedSignalCallback));
sig.RemoveDelegate (value);
}
}