This is a manual merge of branch drop split view intro trunk.
[modest] / src / widgets / modest-dnd.c
1 /* Copyright (c) 2006, Nokia Corporation
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  * * Redistributions of source code must retain the above copyright
9  *   notice, this list of conditions and the following disclaimer.
10  * * Redistributions in binary form must reproduce the above copyright
11  *   notice, this list of conditions and the following disclaimer in the
12  *   documentation and/or other materials provided with the distribution.
13  * * Neither the name of the Nokia Corporation nor the names of its
14  *   contributors may be used to endorse or promote products derived from
15  *   this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29
30 #include "modest-dnd.h"
31 #include <gtk/gtktreeview.h>
32 #include <string.h>
33
34 GdkAtom tree_path_as_string_list_atom;
35
36 static void
37 init_atom (void)
38 {
39         if (!tree_path_as_string_list_atom)
40                 tree_path_as_string_list_atom = 
41                         gdk_atom_intern_static_string (GTK_TREE_PATH_AS_STRING_LIST);
42 }
43
44
45 void 
46 modest_dnd_selection_data_set_paths (GtkSelectionData *selection_data,
47                                      GList            *selected_rows)
48 {
49         init_atom ();
50
51         if (selection_data->target == tree_path_as_string_list_atom) {
52                 GString *list;
53                 gchar *result;
54                 GList *row;
55       
56                 row = selected_rows;
57                 list = g_string_new (NULL);
58                 
59                 while (row != NULL) {
60                         g_string_append (list, gtk_tree_path_to_string (row->data));
61                         row = g_list_next (row);
62                         if (row != NULL)
63                                 g_string_append (list, "\n");
64                 }
65
66                 result = g_strdup (list->str);
67                 g_string_free (list, TRUE);
68                 
69                 if (result) {
70                         gtk_selection_data_set (selection_data,
71                                                 tree_path_as_string_list_atom,
72                                                 8, (guchar *)result, 
73                                                 strlen (result));
74                         
75                         g_free (result);
76                 }
77         }
78 }
79
80 gchar**  
81 modest_dnd_selection_data_get_paths (GtkSelectionData *selection_data)
82 {
83         gchar **result = NULL;
84         
85         init_atom ();
86   
87         if (selection_data->length >= 0 &&
88             selection_data->type == tree_path_as_string_list_atom) {
89                 
90                 result = g_strsplit ((const gchar*)selection_data->data, "\n", 0);              
91         }       
92         return result;
93 }