summaryrefslogtreecommitdiff
path: root/gtk/gtkselection.h
blob: d7b0b4da4fcb2fefea4eb744cf43593a15489376 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
/* GTK - The GIMP Toolkit
 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

/*
 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
 * file for a list of people on the GTK+ Team.  See the ChangeLog
 * files for a list of changes.  These files are distributed with
 * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
 */

#ifndef __GTK_SELECTION_H__
#define __GTK_SELECTION_H__


#include <gdk/gdk.h>
#include <gtk/gtkenums.h>
#include <gtk/gtkwidget.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

typedef struct _GtkTargetList    GtkTargetList;
typedef struct _GtkTargetEntry   GtkTargetEntry;

#define GTK_TYPE_SELECTION_DATA (gtk_selection_data_get_type ())

/* The contents of a selection are returned in a GtkSelectionData
 * structure. selection/target identify the request.  type specifies
 * the type of the return; if length < 0, and the data should be
 * ignored. This structure has object semantics - no fields should be
 * modified directly, they should not be created directly, and
 * pointers to them should not be stored beyond the duration of a
 * callback. (If the last is changed, we'll need to add reference
 * counting.) The time field gives the timestamp at which the data was
 * sent.
 */

struct _GtkSelectionData
{
  GdkAtom	selection;
  GdkAtom	target;
  GdkAtom	type;
  gint		format;
  guchar       *data;  
  gint		length;
  GdkDisplay   *display;
};

struct _GtkTargetEntry {
  gchar *target;
  guint  flags;
  guint  info;
};

/* These structures not public, and are here only for the convenience of
 * gtkdnd.c 
 */

typedef struct _GtkTargetPair GtkTargetPair;

/* This structure is a list of destinations, and associated guint id's */
struct _GtkTargetList {
  GList *list;
  guint ref_count;
};

struct _GtkTargetPair {
  GdkAtom   target;
  guint     flags;
  guint     info;
};

GtkTargetList *gtk_target_list_new       (const GtkTargetEntry *targets,
					  guint                 ntargets);
void           gtk_target_list_ref       (GtkTargetList  *list);
void           gtk_target_list_unref     (GtkTargetList  *list);
void           gtk_target_list_add       (GtkTargetList  *list,
				  	  GdkAtom         target,
					  guint           flags,
					  guint           info);
void           gtk_target_list_add_table (GtkTargetList        *list,
					  const GtkTargetEntry *targets,
					  guint                 ntargets);
void           gtk_target_list_remove    (GtkTargetList  *list,
					  GdkAtom         target);
gboolean       gtk_target_list_find      (GtkTargetList  *list,
					  GdkAtom         target,
					  guint          *info);

/* Public interface */

gboolean gtk_selection_owner_set             (GtkWidget  *widget,
					      GdkAtom     selection,
					      guint32     time_);
gboolean gtk_selection_owner_set_for_display (GdkDisplay *display,
					      GtkWidget  *widget,
					      GdkAtom     selection,
					      guint32     time_);

void     gtk_selection_add_target    (GtkWidget            *widget,
				      GdkAtom               selection,
				      GdkAtom               target,
				      guint                 info);
void     gtk_selection_add_targets   (GtkWidget            *widget,
				      GdkAtom               selection,
				      const GtkTargetEntry *targets,
				      guint                 ntargets);
void     gtk_selection_clear_targets (GtkWidget            *widget,
				      GdkAtom               selection);
gboolean gtk_selection_convert       (GtkWidget            *widget,
				      GdkAtom               selection,
				      GdkAtom               target,
				      guint32               time_);
void     gtk_selection_data_set      (GtkSelectionData     *selection_data,
				      GdkAtom               type,
				      gint                  format,
				      const guchar         *data,
				      gint                  length);
gboolean gtk_selection_data_set_text (GtkSelectionData     *selection_data,
				      const gchar          *str,
				      gint                  len);
guchar * gtk_selection_data_get_text (GtkSelectionData     *selection_data);

gboolean gtk_selection_data_get_targets          (GtkSelectionData  *selection_data,
						  GdkAtom          **targets,
						  gint              *n_atoms);
gboolean gtk_selection_data_targets_include_text (GtkSelectionData  *selection_data);

/* Called when a widget is destroyed */

void gtk_selection_remove_all      (GtkWidget *widget);

/* Event handlers */
#if !defined(GTK_DISABLE_DEPRECATED) || defined (GTK_COMPILATION)
gboolean gtk_selection_clear		  (GtkWidget 	     *widget,
					   GdkEventSelection *event);
#endif
gboolean _gtk_selection_request		  (GtkWidget  	     *widget,
					   GdkEventSelection *event);
gboolean _gtk_selection_incr_event	  (GdkWindow         *window,
					   GdkEventProperty  *event);
gboolean _gtk_selection_notify		  (GtkWidget         *widget,
					   GdkEventSelection *event);
gboolean _gtk_selection_property_notify	  (GtkWidget         *widget,
					   GdkEventProperty  *event);

GType             gtk_selection_data_get_type (void);
GtkSelectionData *gtk_selection_data_copy     (GtkSelectionData *data);
void		  gtk_selection_data_free     (GtkSelectionData *data);



#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __GTK_SELECTION_H__ */