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.TreeDragSourceIF;
26 
27 private import gobject.ObjectG;
28 private import gtk.SelectionData;
29 private import gtk.TreeModelIF;
30 private import gtk.TreePath;
31 private import gtk.c.functions;
32 public  import gtk.c.types;
33 public  import gtkc.gtktypes;
34 
35 
36 /** */
37 public interface TreeDragSourceIF{
38 	/** Get the main Gtk struct */
39 	public GtkTreeDragSource* getTreeDragSourceStruct(bool transferOwnership = false);
40 
41 	/** the main Gtk struct as a void* */
42 	protected void* getStruct();
43 
44 
45 	/** */
46 	public static GType getType()
47 	{
48 		return gtk_tree_drag_source_get_type();
49 	}
50 
51 	/**
52 	 * Asks the #GtkTreeDragSource to delete the row at @path, because
53 	 * it was moved somewhere else via drag-and-drop. Returns %FALSE
54 	 * if the deletion fails because @path no longer exists, or for
55 	 * some model-specific reason. Should robustly handle a @path no
56 	 * longer found in the model!
57 	 *
58 	 * Params:
59 	 *     path = row that was being dragged
60 	 *
61 	 * Returns: %TRUE if the row was successfully deleted
62 	 */
63 	public bool dragDataDelete(TreePath path);
64 
65 	/**
66 	 * Asks the #GtkTreeDragSource to fill in @selection_data with a
67 	 * representation of the row at @path. @selection_data->target gives
68 	 * the required type of the data.  Should robustly handle a @path no
69 	 * longer found in the model!
70 	 *
71 	 * Params:
72 	 *     path = row that was dragged
73 	 *     selectionData = a #GtkSelectionData to fill with data
74 	 *         from the dragged row
75 	 *
76 	 * Returns: %TRUE if data of the required type was provided
77 	 */
78 	public bool dragDataGet(TreePath path, SelectionData selectionData);
79 
80 	/**
81 	 * Asks the #GtkTreeDragSource whether a particular row can be used as
82 	 * the source of a DND operation. If the source doesn’t implement
83 	 * this interface, the row is assumed draggable.
84 	 *
85 	 * Params:
86 	 *     path = row on which user is initiating a drag
87 	 *
88 	 * Returns: %TRUE if the row can be dragged
89 	 */
90 	public bool rowDraggable(TreePath path);
91 
92 	/**
93 	 * Obtains a @tree_model and @path from selection data of target type
94 	 * %GTK_TREE_MODEL_ROW. Normally called from a drag_data_received handler.
95 	 * This function can only be used if @selection_data originates from the same
96 	 * process that’s calling this function, because a pointer to the tree model
97 	 * is being passed around. If you aren’t in the same process, then you'll
98 	 * get memory corruption. In the #GtkTreeDragDest drag_data_received handler,
99 	 * you can assume that selection data of type %GTK_TREE_MODEL_ROW is
100 	 * in from the current process. The returned path must be freed with
101 	 * gtk_tree_path_free().
102 	 *
103 	 * Params:
104 	 *     selectionData = a #GtkSelectionData
105 	 *     treeModel = a #GtkTreeModel
106 	 *     path = row in @tree_model
107 	 *
108 	 * Returns: %TRUE if @selection_data had target type %GTK_TREE_MODEL_ROW and
109 	 *     is otherwise valid
110 	 */
111 	public static bool getRowDragData(SelectionData selectionData, out TreeModelIF treeModel, out TreePath path)
112 	{
113 		GtkTreeModel* outtreeModel = null;
114 		GtkTreePath* outpath = null;
115 
116 		auto p = gtk_tree_get_row_drag_data((selectionData is null) ? null : selectionData.getSelectionDataStruct(), &outtreeModel, &outpath) != 0;
117 
118 		treeModel = ObjectG.getDObject!(TreeModelIF)(outtreeModel);
119 		path = ObjectG.getDObject!(TreePath)(outpath);
120 
121 		return p;
122 	}
123 
124 	/**
125 	 * Sets selection data of target type %GTK_TREE_MODEL_ROW. Normally used
126 	 * in a drag_data_get handler.
127 	 *
128 	 * Params:
129 	 *     selectionData = some #GtkSelectionData
130 	 *     treeModel = a #GtkTreeModel
131 	 *     path = a row in @tree_model
132 	 *
133 	 * Returns: %TRUE if the #GtkSelectionData had the proper target type to allow us to set a tree row
134 	 */
135 	public static bool setRowDragData(SelectionData selectionData, TreeModelIF treeModel, TreePath path)
136 	{
137 		return gtk_tree_set_row_drag_data((selectionData is null) ? null : selectionData.getSelectionDataStruct(), (treeModel is null) ? null : treeModel.getTreeModelStruct(), (path is null) ? null : path.getTreePathStruct()) != 0;
138 	}
139 }