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.TreeRowReference;
26 
27 private import glib.ConstructionException;
28 private import gobject.ObjectG;
29 private import gtk.TreeIter;
30 private import gtk.TreeModel;
31 private import gtk.TreeModelIF;
32 private import gtk.TreePath;
33 private import gtkc.gtk;
34 public  import gtkc.gtktypes;
35 
36 
37 /**
38  * A GtkTreeRowReference tracks model changes so that it always refers to the
39  * same row (a #GtkTreePath refers to a position, not a fixed row). Create a
40  * new GtkTreeRowReference with gtk_tree_row_reference_new().
41  */
42 public class TreeRowReference
43 {
44 	/** the main Gtk struct */
45 	protected GtkTreeRowReference* gtkTreeRowReference;
46 
47 	/** Get the main Gtk struct */
48 	public GtkTreeRowReference* getTreeRowReferenceStruct()
49 	{
50 		return gtkTreeRowReference;
51 	}
52 
53 	/** the main Gtk struct as a void* */
54 	protected void* getStruct()
55 	{
56 		return cast(void*)gtkTreeRowReference;
57 	}
58 
59 	/**
60 	 * Sets our main struct and passes it to the parent class.
61 	 */
62 	public this (GtkTreeRowReference* gtkTreeRowReference)
63 	{
64 		this.gtkTreeRowReference = gtkTreeRowReference;
65 	}
66 
67 
68 	/** */
69 	public static GType getType()
70 	{
71 		return gtk_tree_row_reference_get_type();
72 	}
73 
74 	/**
75 	 * Creates a row reference based on @path.
76 	 *
77 	 * This reference will keep pointing to the node pointed to
78 	 * by @path, so long as it exists. Any changes that occur on @model are
79 	 * propagated, and the path is updated appropriately. If
80 	 * @path isn’t a valid path in @model, then %NULL is returned.
81 	 *
82 	 * Params:
83 	 *     model = a #GtkTreeModel
84 	 *     path = a valid #GtkTreePath-struct to monitor
85 	 *
86 	 * Return: a newly allocated #GtkTreeRowReference, or %NULL
87 	 *
88 	 * Throws: ConstructionException GTK+ fails to create the object.
89 	 */
90 	public this(TreeModelIF model, TreePath path)
91 	{
92 		auto p = gtk_tree_row_reference_new((model is null) ? null : model.getTreeModelStruct(), (path is null) ? null : path.getTreePathStruct());
93 		
94 		if(p is null)
95 		{
96 			throw new ConstructionException("null returned by new");
97 		}
98 		
99 		this(cast(GtkTreeRowReference*) p);
100 	}
101 
102 	/**
103 	 * You do not need to use this function.
104 	 *
105 	 * Creates a row reference based on @path.
106 	 *
107 	 * This reference will keep pointing to the node pointed to
108 	 * by @path, so long as it exists. If @path isn’t a valid
109 	 * path in @model, then %NULL is returned. However, unlike
110 	 * references created with gtk_tree_row_reference_new(), it
111 	 * does not listen to the model for changes. The creator of
112 	 * the row reference must do this explicitly using
113 	 * gtk_tree_row_reference_inserted(), gtk_tree_row_reference_deleted(),
114 	 * gtk_tree_row_reference_reordered().
115 	 *
116 	 * These functions must be called exactly once per proxy when the
117 	 * corresponding signal on the model is emitted. This single call
118 	 * updates all row references for that proxy. Since built-in GTK+
119 	 * objects like #GtkTreeView already use this mechanism internally,
120 	 * using them as the proxy object will produce unpredictable results.
121 	 * Further more, passing the same object as @model and @proxy
122 	 * doesn’t work for reasons of internal implementation.
123 	 *
124 	 * This type of row reference is primarily meant by structures that
125 	 * need to carefully monitor exactly when a row reference updates
126 	 * itself, and is not generally needed by most applications.
127 	 *
128 	 * Params:
129 	 *     proxy = a proxy #GObject
130 	 *     model = a #GtkTreeModel
131 	 *     path = a valid #GtkTreePath-struct to monitor
132 	 *
133 	 * Return: a newly allocated #GtkTreeRowReference, or %NULL
134 	 *
135 	 * Throws: ConstructionException GTK+ fails to create the object.
136 	 */
137 	public this(ObjectG proxy, TreeModelIF model, TreePath path)
138 	{
139 		auto p = gtk_tree_row_reference_new_proxy((proxy is null) ? null : proxy.getObjectGStruct(), (model is null) ? null : model.getTreeModelStruct(), (path is null) ? null : path.getTreePathStruct());
140 		
141 		if(p is null)
142 		{
143 			throw new ConstructionException("null returned by new_proxy");
144 		}
145 		
146 		this(cast(GtkTreeRowReference*) p);
147 	}
148 
149 	/**
150 	 * Copies a #GtkTreeRowReference.
151 	 *
152 	 * Return: a copy of @reference
153 	 *
154 	 * Since: 2.2
155 	 */
156 	public TreeRowReference copy()
157 	{
158 		auto p = gtk_tree_row_reference_copy(gtkTreeRowReference);
159 		
160 		if(p is null)
161 		{
162 			return null;
163 		}
164 		
165 		return ObjectG.getDObject!(TreeRowReference)(cast(GtkTreeRowReference*) p);
166 	}
167 
168 	/**
169 	 * Free’s @reference. @reference may be %NULL
170 	 */
171 	public void free()
172 	{
173 		gtk_tree_row_reference_free(gtkTreeRowReference);
174 	}
175 
176 	/**
177 	 * Returns the model that the row reference is monitoring.
178 	 *
179 	 * Return: the model
180 	 *
181 	 * Since: 2.8
182 	 */
183 	public TreeModelIF getModel()
184 	{
185 		auto p = gtk_tree_row_reference_get_model(gtkTreeRowReference);
186 		
187 		if(p is null)
188 		{
189 			return null;
190 		}
191 		
192 		return ObjectG.getDObject!(TreeModel, TreeModelIF)(cast(GtkTreeModel*) p);
193 	}
194 
195 	/**
196 	 * Returns a path that the row reference currently points to,
197 	 * or %NULL if the path pointed to is no longer valid.
198 	 *
199 	 * Return: a current path, or %NULL
200 	 */
201 	public TreePath getPath()
202 	{
203 		auto p = gtk_tree_row_reference_get_path(gtkTreeRowReference);
204 		
205 		if(p is null)
206 		{
207 			return null;
208 		}
209 		
210 		return ObjectG.getDObject!(TreePath)(cast(GtkTreePath*) p);
211 	}
212 
213 	/**
214 	 * Returns %TRUE if the @reference is non-%NULL and refers to
215 	 * a current valid path.
216 	 *
217 	 * Return: %TRUE if @reference points to a valid path
218 	 */
219 	public bool valid()
220 	{
221 		return gtk_tree_row_reference_valid(gtkTreeRowReference) != 0;
222 	}
223 
224 	/**
225 	 * Lets a set of row reference created by
226 	 * gtk_tree_row_reference_new_proxy() know that the
227 	 * model emitted the #GtkTreeModel::row-deleted signal.
228 	 *
229 	 * Params:
230 	 *     proxy = a #GObject
231 	 *     path = the path position that was deleted
232 	 */
233 	public static void deleted(ObjectG proxy, TreePath path)
234 	{
235 		gtk_tree_row_reference_deleted((proxy is null) ? null : proxy.getObjectGStruct(), (path is null) ? null : path.getTreePathStruct());
236 	}
237 
238 	/**
239 	 * Lets a set of row reference created by
240 	 * gtk_tree_row_reference_new_proxy() know that the
241 	 * model emitted the #GtkTreeModel::row-inserted signal.
242 	 *
243 	 * Params:
244 	 *     proxy = a #GObject
245 	 *     path = the row position that was inserted
246 	 */
247 	public static void inserted(ObjectG proxy, TreePath path)
248 	{
249 		gtk_tree_row_reference_inserted((proxy is null) ? null : proxy.getObjectGStruct(), (path is null) ? null : path.getTreePathStruct());
250 	}
251 
252 	/**
253 	 * Lets a set of row reference created by
254 	 * gtk_tree_row_reference_new_proxy() know that the
255 	 * model emitted the #GtkTreeModel::rows-reordered signal.
256 	 *
257 	 * Params:
258 	 *     proxy = a #GObject
259 	 *     path = the parent path of the reordered signal
260 	 *     iter = the iter pointing to the parent of the reordered
261 	 *     newOrder = the new order of rows
262 	 */
263 	public static void reordered(ObjectG proxy, TreePath path, TreeIter iter, int[] newOrder)
264 	{
265 		gtk_tree_row_reference_reordered((proxy is null) ? null : proxy.getObjectGStruct(), (path is null) ? null : path.getTreePathStruct(), (iter is null) ? null : iter.getTreeIterStruct(), newOrder.ptr);
266 	}
267 }