gtk2/gtk/gtkradiotoolbutton.c
2019-05-28 18:58:46 -04:00

218 lines
5.9 KiB
C

/* gtkradiotoolbutton.c
*
* Copyright (C) 2002 Anders Carlsson <andersca@gnome.og>
* Copyright (C) 2002 James Henstridge <james@daa.com.au>
* Copyright (C) 2003 Soeren Sandmann <sandmann@daimi.au.dk>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkradiotoolbutton.h"
#include "gtkradiobutton.h"
#include "gtkintl.h"
#include "gtkprivate.h"
/**
* SECTION:gtkradiotoolbutton
* @Short_description: A toolbar item that contains a radio button
* @Title: GtkRadioToolButton
* @See_also: #GtkToolbar, #GtkToolButton
*
* A #GtkRadioToolButton is a #GtkToolItem that contains a radio button,
* that is, a button that is part of a group of toggle buttons where only
* one button can be active at a time.
*
* Use gtk_radio_tool_button_new() to create a new GtkRadioToolButton. Use
* gtk_radio_tool_button_new_from_widget() to create a new GtkRadioToolButton
* that is part of the same group as an existing GtkRadioToolButton.
*
* # CSS nodes
*
* GtkRadioToolButton has a single CSS node with name toolbutton.
*/
typedef struct _GtkRadioToolButtonClass GtkRadioToolButtonClass;
struct _GtkRadioToolButton
{
GtkToggleToolButton parent;
};
struct _GtkRadioToolButtonClass
{
GtkToggleToolButtonClass parent_class;
};
enum {
PROP_0,
PROP_GROUP
};
static void gtk_radio_tool_button_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
G_DEFINE_TYPE (GtkRadioToolButton, gtk_radio_tool_button, GTK_TYPE_TOGGLE_TOOL_BUTTON)
static void
gtk_radio_tool_button_class_init (GtkRadioToolButtonClass *klass)
{
GObjectClass *object_class;
GtkToolButtonClass *toolbutton_class;
object_class = (GObjectClass *)klass;
toolbutton_class = (GtkToolButtonClass *)klass;
object_class->set_property = gtk_radio_tool_button_set_property;
toolbutton_class->button_type = GTK_TYPE_RADIO_BUTTON;
/**
* GtkRadioToolButton:group:
*
* Sets a new group for a radio tool button.
*/
g_object_class_install_property (object_class,
PROP_GROUP,
g_param_spec_object ("group",
P_("Group"),
P_("The radio tool button whose group this button belongs to."),
GTK_TYPE_RADIO_TOOL_BUTTON,
GTK_PARAM_WRITABLE));
}
static void
gtk_radio_tool_button_init (GtkRadioToolButton *button)
{
GtkToolButton *tool_button = GTK_TOOL_BUTTON (button);
gtk_check_button_set_draw_indicator (GTK_CHECK_BUTTON (_gtk_tool_button_get_button (tool_button)), FALSE);
}
static void
gtk_radio_tool_button_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkRadioToolButton *button;
button = GTK_RADIO_TOOL_BUTTON (object);
switch (prop_id)
{
case PROP_GROUP:
{
GtkRadioToolButton *arg;
GSList *slist = NULL;
if (G_VALUE_HOLDS_OBJECT (value))
{
arg = GTK_RADIO_TOOL_BUTTON (g_value_get_object (value));
if (arg)
slist = gtk_radio_tool_button_get_group (arg);
gtk_radio_tool_button_set_group (button, slist);
}
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/**
* gtk_radio_tool_button_new:
* @group: (allow-none) (element-type GtkRadioButton): An
* existing radio button group, or %NULL if you are creating a new group
*
* Creates a new #GtkRadioToolButton, adding it to @group.
*
* Returns: The new #GtkRadioToolButton
**/
GtkToolItem *
gtk_radio_tool_button_new (GSList *group)
{
GtkRadioToolButton *button;
button = g_object_new (GTK_TYPE_RADIO_TOOL_BUTTON,
NULL);
gtk_radio_tool_button_set_group (button, group);
return GTK_TOOL_ITEM (button);
}
/**
* gtk_radio_tool_button_new_from_widget: (constructor)
* @group: (allow-none): An existing #GtkRadioToolButton, or %NULL
*
* Creates a new #GtkRadioToolButton adding it to the same group as @gruup
*
* Returns: (transfer none): The new #GtkRadioToolButton
**/
GtkToolItem *
gtk_radio_tool_button_new_from_widget (GtkRadioToolButton *group)
{
GSList *list = NULL;
g_return_val_if_fail (group == NULL || GTK_IS_RADIO_TOOL_BUTTON (group), NULL);
if (group != NULL)
list = gtk_radio_tool_button_get_group (GTK_RADIO_TOOL_BUTTON (group));
return gtk_radio_tool_button_new (list);
}
static GtkRadioButton *
get_radio_button (GtkRadioToolButton *button)
{
return GTK_RADIO_BUTTON (_gtk_tool_button_get_button (GTK_TOOL_BUTTON (button)));
}
/**
* gtk_radio_tool_button_get_group:
* @button: a #GtkRadioToolButton
*
* Returns the radio button group @button belongs to.
*
* Returns: (transfer none) (element-type GtkRadioButton): The group @button belongs to.
*/
GSList *
gtk_radio_tool_button_get_group (GtkRadioToolButton *button)
{
g_return_val_if_fail (GTK_IS_RADIO_TOOL_BUTTON (button), NULL);
return gtk_radio_button_get_group (get_radio_button (button));
}
/**
* gtk_radio_tool_button_set_group:
* @button: a #GtkRadioToolButton
* @group: (element-type GtkRadioButton) (allow-none): an existing radio button group, or %NULL
*
* Adds @button to @group, removing it from the group it belonged to before.
**/
void
gtk_radio_tool_button_set_group (GtkRadioToolButton *button,
GSList *group)
{
g_return_if_fail (GTK_IS_RADIO_TOOL_BUTTON (button));
gtk_radio_button_set_group (get_radio_button (button), group);
}