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.MultiPaned;
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 gobject.Signals;
26 private import gtk.BuildableIF;
27 private import gtk.BuildableT;
28 private import gtk.Container;
29 private import gtk.OrientableIF;
30 private import gtk.OrientableT;
31 private import gtk.Widget;
32 private import std.algorithm;
33 
34 
35 /**
36  * This widget is similar to #GtkPaned except that it allows adding more than
37  * two children to the widget. For each additional child added to the
38  * #DzlMultiPaned, an additional resize grip is added.
39  */
40 public class MultiPaned : Container, OrientableIF
41 {
42 	/** the main Gtk struct */
43 	protected DzlMultiPaned* dzlMultiPaned;
44 
45 	/** Get the main Gtk struct */
46 	public DzlMultiPaned* getMultiPanedStruct(bool transferOwnership = false)
47 	{
48 		if (transferOwnership)
49 			ownedRef = false;
50 		return dzlMultiPaned;
51 	}
52 
53 	/** the main Gtk struct as a void* */
54 	protected override void* getStruct()
55 	{
56 		return cast(void*)dzlMultiPaned;
57 	}
58 
59 	/**
60 	 * Sets our main struct and passes it to the parent class.
61 	 */
62 	public this (DzlMultiPaned* dzlMultiPaned, bool ownedRef = false)
63 	{
64 		this.dzlMultiPaned = dzlMultiPaned;
65 		super(cast(GtkContainer*)dzlMultiPaned, ownedRef);
66 	}
67 
68 	// add the Orientable capabilities
69 	mixin OrientableT!(DzlMultiPaned);
70 
71 
72 	/** */
73 	public static GType getType()
74 	{
75 		return dzl_multi_paned_get_type();
76 	}
77 
78 	/** */
79 	public this()
80 	{
81 		auto p = dzl_multi_paned_new();
82 
83 		if(p is null)
84 		{
85 			throw new ConstructionException("null returned by new");
86 		}
87 
88 		this(cast(DzlMultiPaned*) p);
89 	}
90 
91 	/**
92 	 * Locates the widget at position x,y within widget.
93 	 *
94 	 * @x and @y should be relative to @self.
95 	 *
96 	 * Params:
97 	 *     x = x coordinate
98 	 *     y = y coordinate
99 	 *
100 	 * Returns: a #GtkWidget or %NULL
101 	 *
102 	 * Since: 3.28
103 	 */
104 	public Widget getAtPoint(int x, int y)
105 	{
106 		auto p = dzl_multi_paned_get_at_point(dzlMultiPaned, x, y);
107 
108 		if(p is null)
109 		{
110 			return null;
111 		}
112 
113 		return ObjectG.getDObject!(Widget)(cast(GtkWidget*) p);
114 	}
115 
116 	/** */
117 	public uint getNChildren()
118 	{
119 		return dzl_multi_paned_get_n_children(dzlMultiPaned);
120 	}
121 
122 	/**
123 	 * Gets the @nth child of the #DzlMultiPaned.
124 	 *
125 	 * It is an error to call this function with a value >= the result of
126 	 * dzl_multi_paned_get_nth_child().
127 	 *
128 	 * The index starts from 0.
129 	 *
130 	 * Returns: A #GtkWidget
131 	 */
132 	public Widget getNthChild(uint nth)
133 	{
134 		auto p = dzl_multi_paned_get_nth_child(dzlMultiPaned, nth);
135 
136 		if(p is null)
137 		{
138 			return null;
139 		}
140 
141 		return ObjectG.getDObject!(Widget)(cast(GtkWidget*) p);
142 	}
143 
144 	/** */
145 	gulong addOnResizeDragBegin(void delegate(Widget, MultiPaned) dlg, ConnectFlags connectFlags=cast(ConnectFlags)0)
146 	{
147 		return Signals.connect(this, "resize-drag-begin", dlg, connectFlags ^ ConnectFlags.SWAPPED);
148 	}
149 
150 	/** */
151 	gulong addOnResizeDragEnd(void delegate(Widget, MultiPaned) dlg, ConnectFlags connectFlags=cast(ConnectFlags)0)
152 	{
153 		return Signals.connect(this, "resize-drag-end", dlg, connectFlags ^ ConnectFlags.SWAPPED);
154 	}
155 }