summaryrefslogtreecommitdiff
path: root/gtk/gtktoggleaction.c
blob: 42217fc9204f1f6bbe38300e4aadbc3476150090 (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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
/*
 * GTK - The GIMP Toolkit
 * Copyright (C) 1998, 1999 Red Hat, Inc.
 * All rights reserved.
 *
 * This Library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with the Gnome Library; see the file COPYING.LIB.  If not,
 * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

/*
 * Author: James Henstridge <james@daa.com.au>
 *
 * Modified by the GTK+ Team and others 2003.  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/. 
 */

#include "config.h"

#include "gtkintl.h"
#include "gtktoggleaction.h"
#include "gtktoggleactionprivate.h"
#include "gtktoggletoolbutton.h"
#include "gtktogglebutton.h"
#include "gtkcheckmenuitem.h"
#include "gtkprivate.h"
#include "gtkalias.h"

enum 
{
  TOGGLED,
  LAST_SIGNAL
};

enum {
  PROP_0,
  PROP_DRAW_AS_RADIO,
  PROP_ACTIVE
};

G_DEFINE_TYPE (GtkToggleAction, gtk_toggle_action, GTK_TYPE_ACTION)

static void gtk_toggle_action_activate     (GtkAction       *action);
static void set_property                   (GObject         *object,
					    guint            prop_id,
					    const GValue    *value,
					    GParamSpec      *pspec);
static void get_property                   (GObject         *object,
					    guint            prop_id,
					    GValue          *value,
					    GParamSpec      *pspec);
static GtkWidget *create_menu_item         (GtkAction       *action);


static GObjectClass *parent_class = NULL;
static guint         action_signals[LAST_SIGNAL] = { 0 };

static void
gtk_toggle_action_class_init (GtkToggleActionClass *klass)
{
  GObjectClass *gobject_class;
  GtkActionClass *action_class;

  parent_class = g_type_class_peek_parent (klass);
  gobject_class = G_OBJECT_CLASS (klass);
  action_class = GTK_ACTION_CLASS (klass);

  gobject_class->set_property = set_property;
  gobject_class->get_property = get_property;

  action_class->activate = gtk_toggle_action_activate;

  action_class->menu_item_type = GTK_TYPE_CHECK_MENU_ITEM;
  action_class->toolbar_item_type = GTK_TYPE_TOGGLE_TOOL_BUTTON;

  action_class->create_menu_item = create_menu_item;

  klass->toggled = NULL;

  /**
   * GtkToggleAction:draw-as-radio:
   *
   * Whether the proxies for this action look like radio action proxies.
   *
   * This is an appearance property and thus only applies if 
   * #GtkActivatable:use-action-appearance is %TRUE.
   */
  g_object_class_install_property (gobject_class,
                                   PROP_DRAW_AS_RADIO,
                                   g_param_spec_boolean ("draw-as-radio",
                                                         P_("Create the same proxies as a radio action"),
                                                         P_("Whether the proxies for this action look like radio action proxies"),
                                                         FALSE,
                                                         GTK_PARAM_READWRITE));

  /**
   * GtkToggleAction:active:
   *
   * If the toggle action should be active in or not.
   *
   * Since: 2.10
   */
  g_object_class_install_property (gobject_class,
                                   PROP_ACTIVE,
                                   g_param_spec_boolean ("active",
                                                         P_("Active"),
                                                         P_("If the toggle action should be active in or not"),
                                                         FALSE,
                                                         GTK_PARAM_READWRITE));

  action_signals[TOGGLED] =
    g_signal_new (I_("toggled"),
                  G_OBJECT_CLASS_TYPE (klass),
                  G_SIGNAL_RUN_FIRST,
                  G_STRUCT_OFFSET (GtkToggleActionClass, toggled),
		  NULL, NULL,
                  g_cclosure_marshal_VOID__VOID,
                  G_TYPE_NONE, 0);

  g_type_class_add_private (gobject_class, sizeof (GtkToggleActionPrivate));
}

static void
gtk_toggle_action_init (GtkToggleAction *action)
{
  action->private_data = GTK_TOGGLE_ACTION_GET_PRIVATE (action);
  action->private_data->active = FALSE;
  action->private_data->draw_as_radio = FALSE;
}

/**
 * gtk_toggle_action_new:
 * @name: A unique name for the action
 * @label: The label displayed in menu items and on buttons, or %NULL
 * @tooltip: A tooltip for the action, or %NULL
 * @stock_id: The stock icon to display in widgets representing the
 *   action, or %NULL
 *
 * Creates a new #GtkToggleAction object. To add the action to
 * a #GtkActionGroup and set the accelerator for the action,
 * call gtk_action_group_add_action_with_accel().
 *
 * Return value: a new #GtkToggleAction
 *
 * Since: 2.4
 */
GtkToggleAction *
gtk_toggle_action_new (const gchar *name,
		       const gchar *label,
		       const gchar *tooltip,
		       const gchar *stock_id)
{
  g_return_val_if_fail (name != NULL, NULL);

  return g_object_new (GTK_TYPE_TOGGLE_ACTION,
		       "name", name,
		       "label", label,
		       "tooltip", tooltip,
		       "stock-id", stock_id,
		       NULL);
}

static void
get_property (GObject     *object,
	      guint        prop_id,
	      GValue      *value,
	      GParamSpec  *pspec)
{
  GtkToggleAction *action = GTK_TOGGLE_ACTION (object);
  
  switch (prop_id)
    {
    case PROP_DRAW_AS_RADIO:
      g_value_set_boolean (value, gtk_toggle_action_get_draw_as_radio (action));
      break;
    case PROP_ACTIVE:
      g_value_set_boolean (value, gtk_toggle_action_get_active (action));
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
    }
}

static void
set_property (GObject      *object,
	      guint         prop_id,
	      const GValue *value,
	      GParamSpec   *pspec)
{
  GtkToggleAction *action = GTK_TOGGLE_ACTION (object);
  
  switch (prop_id)
    {
    case PROP_DRAW_AS_RADIO:
      gtk_toggle_action_set_draw_as_radio (action, g_value_get_boolean (value));
      break;
    case PROP_ACTIVE:
      gtk_toggle_action_set_active (action, g_value_get_boolean (value));
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
    }
}

static void
gtk_toggle_action_activate (GtkAction *action)
{
  GtkToggleAction *toggle_action;

  g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));

  toggle_action = GTK_TOGGLE_ACTION (action);

  toggle_action->private_data->active = !toggle_action->private_data->active;

  g_object_notify (G_OBJECT (action), "active");

  gtk_toggle_action_toggled (toggle_action);
}

/**
 * gtk_toggle_action_toggled:
 * @action: the action object
 *
 * Emits the "toggled" signal on the toggle action.
 *
 * Since: 2.4
 */
void
gtk_toggle_action_toggled (GtkToggleAction *action)
{
  g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));

  g_signal_emit (action, action_signals[TOGGLED], 0);
}

/**
 * gtk_toggle_action_set_active:
 * @action: the action object
 * @is_active: whether the action should be checked or not
 *
 * Sets the checked state on the toggle action.
 *
 * Since: 2.4
 */
void
gtk_toggle_action_set_active (GtkToggleAction *action, 
			      gboolean         is_active)
{
  g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));

  is_active = is_active != FALSE;

  if (action->private_data->active != is_active)
    _gtk_action_emit_activate (GTK_ACTION (action));
}

/**
 * gtk_toggle_action_get_active:
 * @action: the action object
 *
 * Returns the checked state of the toggle action.

 * Returns: the checked state of the toggle action
 *
 * Since: 2.4
 */
gboolean
gtk_toggle_action_get_active (GtkToggleAction *action)
{
  g_return_val_if_fail (GTK_IS_TOGGLE_ACTION (action), FALSE);

  return action->private_data->active;
}


/**
 * gtk_toggle_action_set_draw_as_radio:
 * @action: the action object
 * @draw_as_radio: whether the action should have proxies like a radio 
 *    action
 *
 * Sets whether the action should have proxies like a radio action.
 *
 * Since: 2.4
 */
void
gtk_toggle_action_set_draw_as_radio (GtkToggleAction *action, 
				     gboolean         draw_as_radio)
{
  g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));

  draw_as_radio = draw_as_radio != FALSE;

  if (action->private_data->draw_as_radio != draw_as_radio)
    {
      action->private_data->draw_as_radio = draw_as_radio;
      
      g_object_notify (G_OBJECT (action), "draw-as-radio");      
    }
}

/**
 * gtk_toggle_action_get_draw_as_radio:
 * @action: the action object
 *
 * Returns whether the action should have proxies like a radio action.
 *
 * Returns: whether the action should have proxies like a radio action.
 *
 * Since: 2.4
 */
gboolean
gtk_toggle_action_get_draw_as_radio (GtkToggleAction *action)
{
  g_return_val_if_fail (GTK_IS_TOGGLE_ACTION (action), FALSE);

  return action->private_data->draw_as_radio;
}

static GtkWidget *
create_menu_item (GtkAction *action)
{
  GtkToggleAction *toggle_action = GTK_TOGGLE_ACTION (action);

  return g_object_new (GTK_TYPE_CHECK_MENU_ITEM, 
		       "draw-as-radio", toggle_action->private_data->draw_as_radio,
		       NULL);
}

#define __GTK_TOGGLE_ACTION_C__
#include "gtkaliasdef.c"