1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
2 /*
3 * anjuta
4 * Copyright (C) James Liggett 2010 <jrliggett@cox.net>
5 *
6 * anjuta is free software: you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * anjuta is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14 * See the GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "anjuta-drop-entry.h"
21
22 /* DnD targets */
23 enum
24 {
25 DND_TYPE_STRING
26 };
27
28 static GtkTargetEntry dnd_target_entries[] =
29 {
30 {
31 "STRING",
32 0,
33 DND_TYPE_STRING
34 },
35 {
36 "text/plain",
37 0,
38 DND_TYPE_STRING
39 }
40 };
41
42 G_DEFINE_TYPE (AnjutaDropEntry, anjuta_drop_entry, ANJUTA_TYPE_ENTRY);
43
44 static void
anjuta_drop_entry_init(AnjutaDropEntry * self)45 anjuta_drop_entry_init (AnjutaDropEntry *self)
46 {
47 gtk_drag_dest_set (GTK_WIDGET (self),
48 GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT,
49 dnd_target_entries,
50 G_N_ELEMENTS (dnd_target_entries), GDK_ACTION_COPY);
51 }
52
53 static void
anjuta_drop_entry_finalize(GObject * object)54 anjuta_drop_entry_finalize (GObject *object)
55 {
56 G_OBJECT_CLASS (anjuta_drop_entry_parent_class)->finalize (object);
57 }
58
59 static void
anjuta_drop_entry_drag_data_received(GtkWidget * widget,GdkDragContext * context,gint x,gint y,GtkSelectionData * data,guint target_type,guint time)60 anjuta_drop_entry_drag_data_received (GtkWidget *widget,
61 GdkDragContext *context, gint x, gint y,
62 GtkSelectionData *data, guint target_type,
63 guint time)
64 {
65 gboolean success;
66 gboolean delete;
67
68 success = FALSE;
69 delete = FALSE;
70
71 if ((data != NULL) &&
72 (gtk_selection_data_get_length (data) >= 0))
73 {
74 delete = (gdk_drag_context_get_selected_action (context) == GDK_ACTION_MOVE);
75
76 if (target_type == DND_TYPE_STRING)
77 {
78 anjuta_entry_set_text (ANJUTA_ENTRY (widget),
79 (const gchar *) gtk_selection_data_get_data (data));
80 success = TRUE;
81 }
82 }
83
84 gtk_drag_finish (context, success, delete, time);
85 }
86
87 static gboolean
anjuta_drop_entry_drag_drop(GtkWidget * widget,GdkDragContext * context,gint x,gint y,guint time)88 anjuta_drop_entry_drag_drop (GtkWidget *widget, GdkDragContext *context,
89 gint x, gint y, guint time)
90 {
91 GdkAtom target_type;
92
93 target_type = gtk_drag_dest_find_target (widget, context, NULL);
94
95 if (target_type != GDK_NONE)
96 gtk_drag_get_data (widget, context, target_type, time);
97 else
98 gtk_drag_finish (context, FALSE, FALSE, time);
99
100 return TRUE;
101 }
102
103 static void
anjuta_drop_entry_get_preferred_height(GtkWidget * widget,gint * min_height,gint * nat_height)104 anjuta_drop_entry_get_preferred_height (GtkWidget *widget, gint *min_height,
105 gint *nat_height)
106 {
107 GTK_WIDGET_CLASS (anjuta_drop_entry_parent_class)->get_preferred_height (widget,
108 min_height,
109 nat_height);
110
111 /* Make the entry a minimum of 40 pixels tall so that it is easier to drag
112 * into. */
113 if (*min_height < 40)
114 *min_height = 40;
115
116 if (*nat_height < 40)
117 *nat_height = 40;
118 }
119
120 static void
anjuta_drop_entry_class_init(AnjutaDropEntryClass * klass)121 anjuta_drop_entry_class_init (AnjutaDropEntryClass *klass)
122 {
123 GObjectClass* object_class = G_OBJECT_CLASS (klass);
124 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
125
126 object_class->finalize = anjuta_drop_entry_finalize;
127 widget_class->drag_data_received = anjuta_drop_entry_drag_data_received;
128 widget_class->drag_drop = anjuta_drop_entry_drag_drop;
129 widget_class->get_preferred_height = anjuta_drop_entry_get_preferred_height;
130
131 }
132
133 GtkWidget *
anjuta_drop_entry_new(void)134 anjuta_drop_entry_new (void)
135 {
136 return g_object_new (ANJUTA_TYPE_DROP_ENTRY, NULL);
137 }
138