1 /*
2  * This file is part of d-dazzle.
3  *
4  * d-dazzle is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License
6  * as published by the Free Software Foundation; either version 3
7  * of the License, or (at your option) any later version, with
8  * some exceptions, please read the COPYING file.
9  *
10  * d-dazzle is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public License
16  * along with d-dazzle; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
18  */
19 module dazzle.CenteringBin;
20 
21 private import dazzle.c.functions;
22 public  import dazzle.c.types;
23 private import glib.ConstructionException;
24 private import gobject.ObjectG;
25 private import gtk.Bin;
26 private import gtk.BuildableIF;
27 private import gtk.BuildableT;
28 private import gtk.Widget;
29 
30 
31 /**
32  * First off, you probably want to use GtkBox with a center widget instead
33  * of this widget. However, the case where this widget is useful is when
34  * you cannot control your layout within the width of the toplevel, but
35  * still want your child centered within the toplevel.
36  * 
37  * This is done by translating coordinates of the widget with respect to
38  * the toplevel and anchoring the child at TRUE_CENTER-(alloc.width/2).
39  */
40 public class CenteringBin : Bin
41 {
42 	/** the main Gtk struct */
43 	protected DzlCenteringBin* dzlCenteringBin;
44 
45 	/** Get the main Gtk struct */
46 	public DzlCenteringBin* getCenteringBinStruct(bool transferOwnership = false)
47 	{
48 		if (transferOwnership)
49 			ownedRef = false;
50 		return dzlCenteringBin;
51 	}
52 
53 	/** the main Gtk struct as a void* */
54 	protected override void* getStruct()
55 	{
56 		return cast(void*)dzlCenteringBin;
57 	}
58 
59 	/**
60 	 * Sets our main struct and passes it to the parent class.
61 	 */
62 	public this (DzlCenteringBin* dzlCenteringBin, bool ownedRef = false)
63 	{
64 		this.dzlCenteringBin = dzlCenteringBin;
65 		super(cast(GtkBin*)dzlCenteringBin, ownedRef);
66 	}
67 
68 
69 	/** */
70 	public static GType getType()
71 	{
72 		return dzl_centering_bin_get_type();
73 	}
74 
75 	/** */
76 	public this()
77 	{
78 		auto p = dzl_centering_bin_new();
79 
80 		if(p is null)
81 		{
82 			throw new ConstructionException("null returned by new");
83 		}
84 
85 		this(cast(DzlCenteringBin*) p);
86 	}
87 }