1 /* gtktoggletoolbutton.c
3 * Copyright (C) 2002 Anders Carlsson <andersca@gnome.org>
4 * Copyright (C) 2002 James Henstridge <james@daa.com.au>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
23 #include "gtktoggletoolbutton.h"
24 #include "gtkcheckmenuitem.h"
26 #include "gtktogglebutton.h"
29 #include "gtkradiotoolbutton.h"
30 #include "gtkprivate.h"
33 #define MENU_ID "gtk-toggle-tool-button-menu-id"
40 #define GTK_TOGGLE_TOOL_BUTTON_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_TOGGLE_TOOL_BUTTON, GtkToggleToolButtonPrivate))
42 struct _GtkToggleToolButtonPrivate
47 static void gtk_toggle_tool_button_init (GtkToggleToolButton *button);
48 static void gtk_toggle_tool_button_class_init (GtkToggleToolButtonClass *klass);
50 static gboolean gtk_toggle_tool_button_create_menu_proxy (GtkToolItem *button);
52 static void button_toggled (GtkWidget *widget,
53 GtkToggleToolButton *button);
54 static void menu_item_activated (GtkWidget *widget,
55 GtkToggleToolButton *button);
57 static GObjectClass *parent_class = NULL;
58 static guint toggle_signals[LAST_SIGNAL] = { 0 };
61 gtk_toggle_tool_button_get_type (void)
63 static GType type = 0;
67 static const GTypeInfo type_info =
69 sizeof (GtkToggleToolButtonClass),
71 (GBaseFinalizeFunc) 0,
72 (GClassInitFunc) gtk_toggle_tool_button_class_init,
73 (GClassFinalizeFunc) 0,
75 sizeof (GtkToggleToolButton),
77 (GInstanceInitFunc) gtk_toggle_tool_button_init
80 type = g_type_register_static (GTK_TYPE_TOOL_BUTTON,
81 "GtkToggleToolButton", &type_info, 0);
88 gtk_toggle_tool_button_class_init (GtkToggleToolButtonClass *klass)
90 GObjectClass *object_class;
91 GtkToolItemClass *toolitem_class;
92 GtkToolButtonClass *toolbutton_class;
94 parent_class = g_type_class_peek_parent (klass);
96 object_class = (GObjectClass *)klass;
97 toolitem_class = (GtkToolItemClass *)klass;
98 toolbutton_class = (GtkToolButtonClass *)klass;
100 toolitem_class->create_menu_proxy = gtk_toggle_tool_button_create_menu_proxy;
101 toolbutton_class->button_type = GTK_TYPE_TOGGLE_BUTTON;
104 * GtkToggleToolButton::toggled:
105 * @toggle_tool_button: the object that emitted the signal
107 * Emitted whenever the toggle tool button changes state.
109 toggle_signals[TOGGLED] =
110 g_signal_new ("toggled",
111 G_OBJECT_CLASS_TYPE (klass),
113 G_STRUCT_OFFSET (GtkToggleToolButtonClass, toggled),
115 g_cclosure_marshal_VOID__VOID,
118 g_type_class_add_private (object_class, sizeof (GtkToggleToolButtonPrivate));
122 gtk_toggle_tool_button_init (GtkToggleToolButton *button)
124 GtkToolButton *tool_button = GTK_TOOL_BUTTON (button);
125 GtkToggleButton *toggle_button = GTK_TOGGLE_BUTTON (_gtk_tool_button_get_button (tool_button));
127 button->priv = GTK_TOGGLE_TOOL_BUTTON_GET_PRIVATE (button);
129 /* If the real button is a radio button, it may have been
130 * active at the time it was created.
132 button->priv->active = gtk_toggle_button_get_active (toggle_button);
134 g_signal_connect_object (toggle_button,
135 "toggled", G_CALLBACK (button_toggled), button, 0);
139 gtk_toggle_tool_button_create_menu_proxy (GtkToolItem *item)
141 GtkToolButton *tool_button = GTK_TOOL_BUTTON (item);
142 GtkToggleToolButton *toggle_tool_button = GTK_TOGGLE_TOOL_BUTTON (item);
143 GtkWidget *menu_item = NULL;
144 GtkStockItem stock_item;
145 gboolean use_mnemonic = TRUE;
148 GtkWidget *label_widget = gtk_tool_button_get_label_widget (tool_button);
149 const gchar *label_text = gtk_tool_button_get_label (tool_button);
150 const gchar *stock_id = gtk_tool_button_get_stock_id (tool_button);
152 if (label_widget && GTK_IS_LABEL (label_widget))
154 label = gtk_label_get_label (GTK_LABEL (label_widget));
155 use_mnemonic = gtk_label_get_use_underline (GTK_LABEL (label_widget));
160 use_mnemonic = gtk_tool_button_get_use_underline (tool_button);
162 else if (stock_id && gtk_stock_lookup (stock_id, &stock_item))
164 label = stock_item.label;
172 menu_item = gtk_check_menu_item_new_with_mnemonic (label);
174 menu_item = gtk_check_menu_item_new_with_label (label);
176 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menu_item),
177 toggle_tool_button->priv->active);
179 if (GTK_IS_RADIO_TOOL_BUTTON (toggle_tool_button))
181 gtk_check_menu_item_set_draw_as_radio (GTK_CHECK_MENU_ITEM (menu_item),
185 g_signal_connect_closure_by_id (menu_item,
186 g_signal_lookup ("activate", G_OBJECT_TYPE (menu_item)), 0,
187 g_cclosure_new_object (G_CALLBACK (menu_item_activated),
188 G_OBJECT (toggle_tool_button)),
191 gtk_tool_item_set_proxy_menu_item (item, MENU_ID, menu_item);
196 /* There are two activatable widgets, a toggle button and a menu item.
198 * If a widget is activated and the state of the tool button is the same as
199 * the new state of the activated widget, then the other widget was the one
200 * that was activated by the user and updated the tool button's state.
202 * If the state of the tool button is not the same as the new state of the
203 * activated widget, then the activation was activated by the user, and the
204 * widget needs to make sure the tool button is updated before the other
205 * widget is activated. This will make sure the other widget a tool button
206 * in a state that matches its own new state.
209 menu_item_activated (GtkWidget *menu_item,
210 GtkToggleToolButton *toggle_tool_button)
212 GtkToolButton *tool_button = GTK_TOOL_BUTTON (toggle_tool_button);
213 gboolean menu_active = gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (menu_item));
215 if (toggle_tool_button->priv->active != menu_active)
217 toggle_tool_button->priv->active = menu_active;
219 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (_gtk_tool_button_get_button (tool_button)),
220 toggle_tool_button->priv->active);
222 g_signal_emit (toggle_tool_button, toggle_signals[TOGGLED], 0);
227 button_toggled (GtkWidget *widget,
228 GtkToggleToolButton *toggle_tool_button)
230 gboolean toggle_active = GTK_TOGGLE_BUTTON (widget)->active;
232 if (toggle_tool_button->priv->active != toggle_active)
234 GtkWidget *menu_item;
236 toggle_tool_button->priv->active = toggle_active;
239 gtk_tool_item_get_proxy_menu_item (GTK_TOOL_ITEM (toggle_tool_button), MENU_ID)))
241 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menu_item),
242 toggle_tool_button->priv->active);
245 g_signal_emit (toggle_tool_button, toggle_signals[TOGGLED], 0);
250 * gtk_toggle_tool_button_new:
252 * Returns a new #GtkToggleToolButton
254 * Return value: a newly created #GtkToggleToolButton
259 gtk_toggle_tool_button_new (void)
261 GtkToolButton *button;
263 button = g_object_new (GTK_TYPE_TOGGLE_TOOL_BUTTON,
266 return GTK_TOOL_ITEM (button);
270 * gtk_toggle_tool_button_new_from_stock:
271 * @stock_id: the name of the stock item
273 * Creates a new #GtkToggleToolButton containing the image and text from a
274 * stock item. Some stock ids have preprocessor macros like #GTK_STOCK_OK
275 * and #GTK_STOCK_APPLY.
277 * It is an error if @stock_id is not a name of a stock item.
279 * Return value: A new #GtkToggleToolButton
284 gtk_toggle_tool_button_new_from_stock (const gchar *stock_id)
286 GtkToolButton *button;
288 g_return_val_if_fail (stock_id != NULL, NULL);
290 button = g_object_new (GTK_TYPE_TOGGLE_TOOL_BUTTON,
291 "stock_id", stock_id,
294 return GTK_TOOL_ITEM (button);
298 * gtk_toggle_tool_button_set_active:
299 * @button: a #GtkToggleToolButton
300 * @is_active: whether @button should be active
302 * Sets the status of the toggle tool button. Set to %TRUE if you
303 * want the GtkToggleButton to be 'pressed in', and %FALSE to raise it.
304 * This action causes the toggled signal to be emitted.
309 gtk_toggle_tool_button_set_active (GtkToggleToolButton *button,
312 g_return_if_fail (GTK_IS_TOGGLE_TOOL_BUTTON (button));
314 is_active = is_active != FALSE;
316 if (button->priv->active != is_active)
317 gtk_button_clicked (GTK_BUTTON (_gtk_tool_button_get_button (GTK_TOOL_BUTTON (button))));
321 * gtk_toggle_tool_button_get_active:
322 * @button: a #GtkToggleToolButton
324 * Queries a #GtkToggleToolButton and returns its current state.
325 * Returns %TRUE if the toggle button is pressed in and %FALSE if it is raised.
327 * Return value: %TRUE if the toggle tool button is pressed in, %FALSE if not
332 gtk_toggle_tool_button_get_active (GtkToggleToolButton *button)
334 g_return_val_if_fail (GTK_IS_TOGGLE_TOOL_BUTTON (button), FALSE);
336 return button->priv->active;
339 #define __GTK_TOGGLE_TOOL_BUTTON_C__
340 #include "gtkaliasdef.c"