]> Pileus Git - ~andy/gtk/blob - gtk/gtkdnd.h
Add a special size for drag-and-drop GTK_ICON_SIZE_DND (Default to 32x32)
[~andy/gtk] / gtk / gtkdnd.h
1 /* GTK - The GIMP Toolkit
2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19
20 /*
21  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
22  * file for a list of people on the GTK+ Team.  See the ChangeLog
23  * files for a list of changes.  These files are distributed with
24  * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
25  */
26
27 #ifndef __GTK_DND_H__
28 #define __GTK_DND_H__
29
30 #include <gdk/gdk.h>
31 #include <gtk/gtkenums.h>
32 #include <gtk/gtkwidget.h>
33 #include <gtk/gtkselection.h>
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif /* __cplusplus */
38
39 typedef enum {
40   GTK_DEST_DEFAULT_MOTION     = 1 << 0, /* respond to "drag_motion" */
41   GTK_DEST_DEFAULT_HIGHLIGHT  = 1 << 1, /* auto-highlight */
42   GTK_DEST_DEFAULT_DROP       = 1 << 2, /* respond to "drag_drop" */
43   GTK_DEST_DEFAULT_ALL        = 0x07
44 } GtkDestDefaults;
45
46 /* Flags for the GtkTargetEntry on the destination side 
47  */
48 typedef enum {
49   GTK_TARGET_SAME_APP = 1 << 0,    /*< nick=same-app >*/
50   GTK_TARGET_SAME_WIDGET = 1 << 1  /*< nick=same-widget >*/
51 } GtkTargetFlags;
52
53 /* Destination side */
54
55 void gtk_drag_get_data (GtkWidget      *widget,
56                         GdkDragContext *context,
57                         GdkAtom         target,
58                         guint32         time);
59 void gtk_drag_finish   (GdkDragContext *context,
60                         gboolean        success,
61                         gboolean        del,
62                         guint32         time);
63
64 GtkWidget *gtk_drag_get_source_widget (GdkDragContext *context);
65
66 void gtk_drag_highlight   (GtkWidget  *widget);
67 void gtk_drag_unhighlight (GtkWidget  *widget);
68
69 void gtk_drag_dest_set   (GtkWidget            *widget,
70                           GtkDestDefaults       flags,
71                           const GtkTargetEntry *targets,
72                           gint                  n_targets,
73                           GdkDragAction         actions);
74
75 void gtk_drag_dest_set_proxy (GtkWidget      *widget,
76                               GdkWindow      *proxy_window,
77                               GdkDragProtocol protocol,
78                               gboolean        use_coordinates);
79
80 void gtk_drag_dest_unset (GtkWidget          *widget);
81
82 GdkAtom        gtk_drag_dest_find_target     (GtkWidget      *widget,
83                                               GdkDragContext *context,
84                                               GtkTargetList  *target_list);
85 GtkTargetList* gtk_drag_dest_get_target_list (GtkWidget      *widget);
86 void           gtk_drag_dest_set_target_list (GtkWidget      *widget,
87                                               GtkTargetList  *target_list);
88
89 /* Source side */
90
91 void gtk_drag_source_set  (GtkWidget            *widget,
92                            GdkModifierType       start_button_mask,
93                            const GtkTargetEntry *targets,
94                            gint                  n_targets,
95                            GdkDragAction         actions);
96
97 void gtk_drag_source_unset (GtkWidget        *widget);
98
99 void gtk_drag_source_set_icon        (GtkWidget   *widget,
100                                       GdkColormap *colormap,
101                                       GdkPixmap   *pixmap,
102                                       GdkBitmap   *mask);
103 void gtk_drag_source_set_icon_pixbuf (GtkWidget   *widget,
104                                       GdkPixbuf   *pixbuf);
105 void gtk_drag_source_set_icon_stock  (GtkWidget   *widget,
106                                       const gchar *stock_id);
107
108 /* There probably should be functions for setting the targets
109  * as a GtkTargetList
110  */
111
112 GdkDragContext *gtk_drag_begin (GtkWidget         *widget,
113                                 GtkTargetList     *targets,
114                                 GdkDragAction      actions,
115                                 gint               button,
116                                 GdkEvent          *event);
117
118 /* Set the image being dragged around
119  */
120 void gtk_drag_set_icon_widget (GdkDragContext *context,
121                                GtkWidget      *widget,
122                                gint            hot_x,
123                                gint            hot_y);
124 void gtk_drag_set_icon_pixmap (GdkDragContext *context,
125                                GdkColormap    *colormap,
126                                GdkPixmap      *pixmap,
127                                GdkBitmap      *mask,
128                                gint            hot_x,
129                                gint            hot_y);
130 void gtk_drag_set_icon_pixbuf (GdkDragContext *context,
131                                GdkPixbuf      *pixbuf,
132                                gint            hot_x,
133                                gint            hot_y);
134 void gtk_drag_set_icon_stock  (GdkDragContext *context,
135                                const gchar    *stock_id,
136                                gint            hot_x,
137                                gint            hot_y);
138
139 void gtk_drag_set_icon_default (GdkDragContext    *context);
140
141 gboolean gtk_drag_check_threshold (GtkWidget *widget,
142                                    gint       start_x,
143                                    gint       start_y,
144                                    gint       current_x,
145                                    gint       current_y);
146
147 /* Internal functions */
148 void _gtk_drag_source_handle_event (GtkWidget *widget,
149                                     GdkEvent  *event);
150 void _gtk_drag_dest_handle_event (GtkWidget *toplevel,
151                                   GdkEvent  *event);
152
153 #ifndef GTK_DISABLE_DEPRECATED
154 void gtk_drag_set_default_icon (GdkColormap   *colormap,
155                                 GdkPixmap     *pixmap,
156                                 GdkBitmap     *mask,
157                                 gint           hot_x,
158                                 gint           hot_y);
159 #endif /* !GTK_DISABLE_DEPRECATED */
160
161 #ifdef __cplusplus
162 }
163 #endif /* __cplusplus */
164
165 #endif /* __GTK_DND_H__ */
166
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168