GtkSharp/Source/gtk/TreeViewColumn.cs
2017-09-04 22:36:28 -03:00

69 lines
2.4 KiB
C#

// Gtk.TreeViewColumn.cs - Gtk TreeViewColumn class customizations
//
// Author: Rachel Hestilow <hestilow@ximian.com>
//
// Copyright (c) 2003 Rachel Hestilow
//
// 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;
using System.Runtime.InteropServices;
public partial class TreeViewColumn {
public void SetAttributes (CellRenderer cell, params object[] attrs)
{
if (attrs.Length % 2 != 0)
throw new ArgumentException ("attrs should contain pairs of attribute/col");
ClearAttributes (cell);
for (int i = 0; i < attrs.Length - 1; i += 2) {
AddAttribute (cell, (string) attrs [i], (int) attrs [i + 1]);
}
}
private void _NewWithAttributes (string title, Gtk.CellRenderer cell, Array attrs) {
Title = title;
PackStart (cell, true);
for (int i = 0; (i + 1) < attrs.Length; i += 2) {
AddAttribute (cell, (string) ((object[])attrs)[i], (int)((object[])attrs)[i + 1]);
}
}
public TreeViewColumn (string title, Gtk.CellRenderer cell, Array attrs) : this ()
{
_NewWithAttributes (title, cell, attrs);
}
public TreeViewColumn (string title, Gtk.CellRenderer cell, params object[] attrs) : this ()
{
_NewWithAttributes (title, cell, attrs);
}
public void SetCellDataFunc (CellRenderer cell_renderer, NodeCellDataFunc func)
{
if (func == null) {
gtk_tree_view_column_set_cell_data_func (Handle, cell_renderer == null ? IntPtr.Zero : cell_renderer.Handle, (GtkSharp.TreeCellDataFuncNative) null, IntPtr.Zero, null);
return;
}
NodeCellDataFuncWrapper func_wrapper = new NodeCellDataFuncWrapper (func);
GCHandle gch = GCHandle.Alloc (func_wrapper);
gtk_cell_layout_set_cell_data_func (Handle, cell_renderer == null ? IntPtr.Zero : cell_renderer.Handle, func_wrapper.NativeDelegate, (IntPtr) gch, GLib.DestroyHelper.NotifyHandler);
}
}
}