1 /*
2  * This file is part of gtkD.
3  *
4  * gtkD 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  * gtkD 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 gtkD; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
18  */
19 
20 // generated automatically - do not change
21 // find conversion definition on APILookup.txt
22 // implement new conversion functionalities on the wrap.utils pakage
23 
24 
25 module gtk.RadioMenuItem;
26 
27 private import glib.ConstructionException;
28 private import glib.ListSG;
29 private import glib.Str;
30 private import gobject.ObjectG;
31 private import gobject.Signals;
32 private import gtk.CheckMenuItem;
33 private import gtk.Widget;
34 public  import gtkc.gdktypes;
35 private import gtkc.gtk;
36 public  import gtkc.gtktypes;
37 
38 
39 /**
40  * A radio menu item is a check menu item that belongs to a group. At each
41  * instant exactly one of the radio menu items from a group is selected.
42  * 
43  * The group list does not need to be freed, as each #GtkRadioMenuItem will
44  * remove itself and its list item when it is destroyed.
45  * 
46  * The correct way to create a group of radio menu items is approximatively
47  * this:
48  * 
49  * ## How to create a group of radio menu items.
50  * 
51  * |[<!-- language="C" -->
52  * GSList *group = NULL;
53  * GtkWidget *item;
54  * gint i;
55  * 
56  * for (i = 0; i < 5; i++)
57  * {
58  * item = gtk_radio_menu_item_new_with_label (group, "This is an example");
59  * group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (item));
60  * if (i == 1)
61  * gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (item), TRUE);
62  * }
63  * ]|
64  */
65 public class RadioMenuItem : CheckMenuItem
66 {
67 	/** the main Gtk struct */
68 	protected GtkRadioMenuItem* gtkRadioMenuItem;
69 
70 	/** Get the main Gtk struct */
71 	public GtkRadioMenuItem* getRadioMenuItemStruct()
72 	{
73 		return gtkRadioMenuItem;
74 	}
75 
76 	/** the main Gtk struct as a void* */
77 	protected override void* getStruct()
78 	{
79 		return cast(void*)gtkRadioMenuItem;
80 	}
81 
82 	protected override void setStruct(GObject* obj)
83 	{
84 		gtkRadioMenuItem = cast(GtkRadioMenuItem*)obj;
85 		super.setStruct(obj);
86 	}
87 
88 	/**
89 	 * Sets our main struct and passes it to the parent class.
90 	 */
91 	public this (GtkRadioMenuItem* gtkRadioMenuItem, bool ownedRef = false)
92 	{
93 		this.gtkRadioMenuItem = gtkRadioMenuItem;
94 		super(cast(GtkCheckMenuItem*)gtkRadioMenuItem, ownedRef);
95 	}
96 
97 	/**
98 	 * Creates a new GtkRadioMenuItem whose child is a simple GtkLabel.
99 	 * The new GtkRadioMenuItem is added to the same group as group.
100 	 * If mnemonic is true the label will be
101 	 * created using gtk_label_new_with_mnemonic(), so underscores in label
102 	 * indicate the mnemonic for the menu item.
103 	 * Since 2.4
104 	 * Params:
105 	 *  group = an existing GtkRadioMenuItem
106 	 *  label = the text for the label
107 	 * Throws: ConstructionException GTK+ fails to create the object.
108 	 */
109 	public this (RadioMenuItem radioMenuItem, string label, bool mnemonic=true)
110 	{
111 		GtkRadioMenuItem* p;
112 		
113 		if ( mnemonic )
114 		{
115 			// GtkWidget* gtk_radio_menu_item_new_with_mnemonic_from_widget  (GtkRadioMenuItem *group,  const gchar *label);
116 			p = cast(GtkRadioMenuItem*)gtk_radio_menu_item_new_with_mnemonic_from_widget(
117 			radioMenuItem.getRadioMenuItemStruct(), Str.toStringz(label));
118 		}
119 		else
120 		{
121 			// GtkWidget* gtk_radio_menu_item_new_with_label_from_widget  (GtkRadioMenuItem *group,  const gchar *label);
122 			p = cast(GtkRadioMenuItem*)gtk_radio_menu_item_new_with_label_from_widget(
123 			radioMenuItem.getRadioMenuItemStruct(), Str.toStringz(label));
124 		}
125 		
126 		if(p is null)
127 		{
128 			throw new ConstructionException("null returned by gtk_radio_menu_item_new_with_");
129 		}
130 		
131 		this(p);
132 	}
133 	
134 	/**
135 	 * Creates a new GtkRadioMenuItem whose child is a simple GtkLabel.
136 	 * Params:
137 	 *  group = the group to which the radio menu item is to be attached
138 	 *  label = the text for the label
139 	 *  mnemonic = if true the label
140 	 *  will be created using gtk_label_new_with_mnemonic(), so underscores
141 	 *  in label indicate the mnemonic for the menu item.
142 	 * Throws: ConstructionException GTK+ fails to create the object.
143 	 */
144 	public this (ListSG group, string label, bool mnemonic=true)
145 	{
146 		GtkRadioMenuItem* p;
147 		
148 		if ( mnemonic )
149 		{
150 			// GtkWidget* gtk_radio_menu_item_new_with_mnemonic  (GSList *group,  const gchar *label);
151 			p = cast(GtkRadioMenuItem*)gtk_radio_menu_item_new_with_mnemonic(
152 			group is null ? null : group.getListSGStruct(), Str.toStringz(label));
153 		}
154 		else
155 		{
156 			// GtkWidget* gtk_radio_menu_item_new_with_label  (GSList *group,  const gchar *label);
157 			p = cast(GtkRadioMenuItem*)gtk_radio_menu_item_new_with_label(
158 			group is null ? null : group.getListSGStruct(), Str.toStringz(label));
159 		}
160 		
161 		if(p is null)
162 		{
163 			throw new ConstructionException("null returned by gtk_radio_menu_item_new_with_");
164 		}
165 		
166 		this(p);
167 	}
168 
169 	/**
170 	 */
171 
172 	/** */
173 	public static GType getType()
174 	{
175 		return gtk_radio_menu_item_get_type();
176 	}
177 
178 	/**
179 	 * Creates a new #GtkRadioMenuItem.
180 	 *
181 	 * Params:
182 	 *     group = the group to which the
183 	 *         radio menu item is to be attached, or %NULL
184 	 *
185 	 * Return: a new #GtkRadioMenuItem
186 	 *
187 	 * Throws: ConstructionException GTK+ fails to create the object.
188 	 */
189 	public this(ListSG group)
190 	{
191 		auto p = gtk_radio_menu_item_new((group is null) ? null : group.getListSGStruct());
192 		
193 		if(p is null)
194 		{
195 			throw new ConstructionException("null returned by new");
196 		}
197 		
198 		this(cast(GtkRadioMenuItem*) p);
199 	}
200 
201 	/**
202 	 * Creates a new #GtkRadioMenuItem adding it to the same group as @group.
203 	 *
204 	 * Params:
205 	 *     group = An existing #GtkRadioMenuItem
206 	 *
207 	 * Return: The new #GtkRadioMenuItem
208 	 *
209 	 * Since: 2.4
210 	 *
211 	 * Throws: ConstructionException GTK+ fails to create the object.
212 	 */
213 	public this(RadioMenuItem group)
214 	{
215 		auto p = gtk_radio_menu_item_new_from_widget((group is null) ? null : group.getRadioMenuItemStruct());
216 		
217 		if(p is null)
218 		{
219 			throw new ConstructionException("null returned by new_from_widget");
220 		}
221 		
222 		this(cast(GtkRadioMenuItem*) p);
223 	}
224 
225 	/**
226 	 * Returns the group to which the radio menu item belongs, as a #GList of
227 	 * #GtkRadioMenuItem. The list belongs to GTK+ and should not be freed.
228 	 *
229 	 * Return: the group
230 	 *     of @radio_menu_item
231 	 */
232 	public ListSG getGroup()
233 	{
234 		auto p = gtk_radio_menu_item_get_group(gtkRadioMenuItem);
235 		
236 		if(p is null)
237 		{
238 			return null;
239 		}
240 		
241 		return new ListSG(cast(GSList*) p);
242 	}
243 
244 	/**
245 	 * Joins a #GtkRadioMenuItem object to the group of another #GtkRadioMenuItem
246 	 * object.
247 	 *
248 	 * This function should be used by language bindings to avoid the memory
249 	 * manangement of the opaque #GSList of gtk_radio_menu_item_get_group()
250 	 * and gtk_radio_menu_item_set_group().
251 	 *
252 	 * A common way to set up a group of #GtkRadioMenuItem instances is:
253 	 *
254 	 * |[
255 	 * GtkRadioMenuItem *last_item = NULL;
256 	 *
257 	 * while ( ...more items to add... )
258 	 * {
259 	 * GtkRadioMenuItem *radio_item;
260 	 *
261 	 * radio_item = gtk_radio_menu_item_new (...);
262 	 *
263 	 * gtk_radio_menu_item_join_group (radio_item, last_item);
264 	 * last_item = radio_item;
265 	 * }
266 	 * ]|
267 	 *
268 	 * Params:
269 	 *     groupSource = a #GtkRadioMenuItem whose group we are
270 	 *         joining, or %NULL to remove the @radio_menu_item from its current
271 	 *         group
272 	 *
273 	 * Since: 3.18
274 	 */
275 	public void joinGroup(RadioMenuItem groupSource)
276 	{
277 		gtk_radio_menu_item_join_group(gtkRadioMenuItem, (groupSource is null) ? null : groupSource.getRadioMenuItemStruct());
278 	}
279 
280 	/**
281 	 * Sets the group of a radio menu item, or changes it.
282 	 *
283 	 * Params:
284 	 *     group = the new group, or %NULL.
285 	 */
286 	public void setGroup(ListSG group)
287 	{
288 		gtk_radio_menu_item_set_group(gtkRadioMenuItem, (group is null) ? null : group.getListSGStruct());
289 	}
290 
291 	int[string] connectedSignals;
292 
293 	void delegate(RadioMenuItem)[] onGroupChangedListeners;
294 	/** */
295 	void addOnGroupChanged(void delegate(RadioMenuItem) dlg, ConnectFlags connectFlags=cast(ConnectFlags)0)
296 	{
297 		if ( "group-changed" !in connectedSignals )
298 		{
299 			Signals.connectData(
300 				this,
301 				"group-changed",
302 				cast(GCallback)&callBackGroupChanged,
303 				cast(void*)this,
304 				null,
305 				connectFlags);
306 			connectedSignals["group-changed"] = 1;
307 		}
308 		onGroupChangedListeners ~= dlg;
309 	}
310 	extern(C) static void callBackGroupChanged(GtkRadioMenuItem* radiomenuitemStruct, RadioMenuItem _radiomenuitem)
311 	{
312 		foreach ( void delegate(RadioMenuItem) dlg; _radiomenuitem.onGroupChangedListeners )
313 		{
314 			dlg(_radiomenuitem);
315 		}
316 	}
317 }