forked from AuroraMiddleware/gtk
afee2c67c5
Wed Jul 26 12:59:31 2000 Tim Janik <timj@gtk.org> * *.[hc]: applied patch from Andreas Persenius <ndap@swipnet.se> that updates the license headers to the GNU Lesser General Public License, as well as updating the copyright year to 2000.
429 lines
11 KiB
C
429 lines
11 KiB
C
/* 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/.
|
|
*/
|
|
|
|
#include "gtklabel.h"
|
|
#include "gtkradiobutton.h"
|
|
#include "gtksignal.h"
|
|
|
|
|
|
enum {
|
|
ARG_0,
|
|
ARG_GROUP
|
|
};
|
|
|
|
|
|
static void gtk_radio_button_class_init (GtkRadioButtonClass *klass);
|
|
static void gtk_radio_button_init (GtkRadioButton *radio_button);
|
|
static void gtk_radio_button_destroy (GtkObject *object);
|
|
static void gtk_radio_button_clicked (GtkButton *button);
|
|
static void gtk_radio_button_draw_indicator (GtkCheckButton *check_button,
|
|
GdkRectangle *area);
|
|
static void gtk_radio_button_set_arg (GtkObject *object,
|
|
GtkArg *arg,
|
|
guint arg_id);
|
|
static void gtk_radio_button_get_arg (GtkObject *object,
|
|
GtkArg *arg,
|
|
guint arg_id);
|
|
|
|
|
|
static GtkCheckButtonClass *parent_class = NULL;
|
|
|
|
|
|
GtkType
|
|
gtk_radio_button_get_type (void)
|
|
{
|
|
static GtkType radio_button_type = 0;
|
|
|
|
if (!radio_button_type)
|
|
{
|
|
static const GtkTypeInfo radio_button_info =
|
|
{
|
|
"GtkRadioButton",
|
|
sizeof (GtkRadioButton),
|
|
sizeof (GtkRadioButtonClass),
|
|
(GtkClassInitFunc) gtk_radio_button_class_init,
|
|
(GtkObjectInitFunc) gtk_radio_button_init,
|
|
/* reserved_1 */ NULL,
|
|
/* reserved_2 */ NULL,
|
|
(GtkClassInitFunc) NULL,
|
|
};
|
|
|
|
radio_button_type = gtk_type_unique (gtk_check_button_get_type (), &radio_button_info);
|
|
}
|
|
|
|
return radio_button_type;
|
|
}
|
|
|
|
static void
|
|
gtk_radio_button_class_init (GtkRadioButtonClass *class)
|
|
{
|
|
GtkObjectClass *object_class;
|
|
GtkButtonClass *button_class;
|
|
GtkCheckButtonClass *check_button_class;
|
|
|
|
object_class = (GtkObjectClass*) class;
|
|
button_class = (GtkButtonClass*) class;
|
|
check_button_class = (GtkCheckButtonClass*) class;
|
|
|
|
parent_class = gtk_type_class (gtk_check_button_get_type ());
|
|
|
|
gtk_object_add_arg_type ("GtkRadioButton::group", GTK_TYPE_RADIO_BUTTON, GTK_ARG_WRITABLE, ARG_GROUP);
|
|
|
|
object_class->set_arg = gtk_radio_button_set_arg;
|
|
object_class->get_arg = gtk_radio_button_get_arg;
|
|
object_class->destroy = gtk_radio_button_destroy;
|
|
|
|
button_class->clicked = gtk_radio_button_clicked;
|
|
|
|
check_button_class->draw_indicator = gtk_radio_button_draw_indicator;
|
|
}
|
|
|
|
static void
|
|
gtk_radio_button_init (GtkRadioButton *radio_button)
|
|
{
|
|
GTK_WIDGET_SET_FLAGS (radio_button, GTK_NO_WINDOW);
|
|
GTK_WIDGET_UNSET_FLAGS (radio_button, GTK_RECEIVES_DEFAULT);
|
|
|
|
GTK_TOGGLE_BUTTON (radio_button)->active = TRUE;
|
|
|
|
radio_button->group = g_slist_prepend (NULL, radio_button);
|
|
|
|
gtk_widget_set_state (GTK_WIDGET (radio_button), GTK_STATE_ACTIVE);
|
|
}
|
|
|
|
static void
|
|
gtk_radio_button_set_arg (GtkObject *object,
|
|
GtkArg *arg,
|
|
guint arg_id)
|
|
{
|
|
GtkRadioButton *radio_button;
|
|
|
|
radio_button = GTK_RADIO_BUTTON (object);
|
|
|
|
switch (arg_id)
|
|
{
|
|
GSList *slist;
|
|
|
|
case ARG_GROUP:
|
|
if (GTK_VALUE_OBJECT (*arg))
|
|
slist = gtk_radio_button_group ((GtkRadioButton*) GTK_VALUE_OBJECT (*arg));
|
|
else
|
|
slist = NULL;
|
|
gtk_radio_button_set_group (radio_button, slist);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_radio_button_get_arg (GtkObject *object,
|
|
GtkArg *arg,
|
|
guint arg_id)
|
|
{
|
|
GtkRadioButton *radio_button;
|
|
|
|
radio_button = GTK_RADIO_BUTTON (object);
|
|
|
|
switch (arg_id)
|
|
{
|
|
default:
|
|
arg->type = GTK_TYPE_INVALID;
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_radio_button_set_group (GtkRadioButton *radio_button,
|
|
GSList *group)
|
|
{
|
|
g_return_if_fail (radio_button != NULL);
|
|
g_return_if_fail (GTK_IS_RADIO_BUTTON (radio_button));
|
|
g_return_if_fail (!g_slist_find (group, radio_button));
|
|
|
|
if (radio_button->group)
|
|
{
|
|
GSList *slist;
|
|
|
|
radio_button->group = g_slist_remove (radio_button->group, radio_button);
|
|
|
|
for (slist = radio_button->group; slist; slist = slist->next)
|
|
{
|
|
GtkRadioButton *tmp_button;
|
|
|
|
tmp_button = slist->data;
|
|
|
|
tmp_button->group = radio_button->group;
|
|
}
|
|
}
|
|
|
|
radio_button->group = g_slist_prepend (group, radio_button);
|
|
|
|
if (group)
|
|
{
|
|
GSList *slist;
|
|
|
|
for (slist = group; slist; slist = slist->next)
|
|
{
|
|
GtkRadioButton *tmp_button;
|
|
|
|
tmp_button = slist->data;
|
|
|
|
tmp_button->group = radio_button->group;
|
|
}
|
|
}
|
|
|
|
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (radio_button), group == NULL);
|
|
}
|
|
|
|
GtkWidget*
|
|
gtk_radio_button_new (GSList *group)
|
|
{
|
|
GtkRadioButton *radio_button;
|
|
|
|
radio_button = gtk_type_new (gtk_radio_button_get_type ());
|
|
|
|
if (group)
|
|
gtk_radio_button_set_group (radio_button, group);
|
|
|
|
return GTK_WIDGET (radio_button);
|
|
}
|
|
|
|
GtkWidget*
|
|
gtk_radio_button_new_with_label (GSList *group,
|
|
const gchar *label)
|
|
{
|
|
GtkWidget *radio_button;
|
|
GtkWidget *label_widget;
|
|
|
|
radio_button = gtk_radio_button_new (group);
|
|
label_widget = gtk_label_new (label);
|
|
gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
|
|
|
|
gtk_container_add (GTK_CONTAINER (radio_button), label_widget);
|
|
gtk_widget_show (label_widget);
|
|
|
|
return radio_button;
|
|
}
|
|
|
|
GtkWidget*
|
|
gtk_radio_button_new_from_widget (GtkRadioButton *group)
|
|
{
|
|
GSList *l = NULL;
|
|
if (group)
|
|
l = gtk_radio_button_group (group);
|
|
return gtk_radio_button_new (l);
|
|
}
|
|
|
|
|
|
GtkWidget*
|
|
gtk_radio_button_new_with_label_from_widget (GtkRadioButton *group,
|
|
const gchar *label)
|
|
{
|
|
GSList *l = NULL;
|
|
if (group)
|
|
l = gtk_radio_button_group (group);
|
|
return gtk_radio_button_new_with_label (l, label);
|
|
}
|
|
|
|
GSList*
|
|
gtk_radio_button_group (GtkRadioButton *radio_button)
|
|
{
|
|
g_return_val_if_fail (radio_button != NULL, NULL);
|
|
g_return_val_if_fail (GTK_IS_RADIO_BUTTON (radio_button), NULL);
|
|
|
|
return radio_button->group;
|
|
}
|
|
|
|
|
|
static void
|
|
gtk_radio_button_destroy (GtkObject *object)
|
|
{
|
|
GtkRadioButton *radio_button;
|
|
GtkRadioButton *tmp_button;
|
|
GSList *tmp_list;
|
|
|
|
g_return_if_fail (object != NULL);
|
|
g_return_if_fail (GTK_IS_RADIO_BUTTON (object));
|
|
|
|
radio_button = GTK_RADIO_BUTTON (object);
|
|
|
|
radio_button->group = g_slist_remove (radio_button->group, radio_button);
|
|
tmp_list = radio_button->group;
|
|
|
|
while (tmp_list)
|
|
{
|
|
tmp_button = tmp_list->data;
|
|
tmp_list = tmp_list->next;
|
|
|
|
tmp_button->group = radio_button->group;
|
|
}
|
|
|
|
if (GTK_OBJECT_CLASS (parent_class)->destroy)
|
|
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
|
|
}
|
|
|
|
static void
|
|
gtk_radio_button_clicked (GtkButton *button)
|
|
{
|
|
GtkToggleButton *toggle_button;
|
|
GtkRadioButton *radio_button;
|
|
GtkToggleButton *tmp_button;
|
|
GtkStateType new_state;
|
|
GSList *tmp_list;
|
|
gint toggled;
|
|
|
|
g_return_if_fail (button != NULL);
|
|
g_return_if_fail (GTK_IS_RADIO_BUTTON (button));
|
|
|
|
radio_button = GTK_RADIO_BUTTON (button);
|
|
toggle_button = GTK_TOGGLE_BUTTON (button);
|
|
toggled = FALSE;
|
|
|
|
gtk_widget_ref (GTK_WIDGET (button));
|
|
|
|
if (toggle_button->active)
|
|
{
|
|
tmp_button = NULL;
|
|
tmp_list = radio_button->group;
|
|
|
|
while (tmp_list)
|
|
{
|
|
tmp_button = tmp_list->data;
|
|
tmp_list = tmp_list->next;
|
|
|
|
if (tmp_button->active && tmp_button != toggle_button)
|
|
break;
|
|
|
|
tmp_button = NULL;
|
|
}
|
|
|
|
if (!tmp_button)
|
|
{
|
|
new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
|
|
}
|
|
else
|
|
{
|
|
toggled = TRUE;
|
|
toggle_button->active = !toggle_button->active;
|
|
new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
toggled = TRUE;
|
|
toggle_button->active = !toggle_button->active;
|
|
|
|
tmp_list = radio_button->group;
|
|
while (tmp_list)
|
|
{
|
|
tmp_button = tmp_list->data;
|
|
tmp_list = tmp_list->next;
|
|
|
|
if (tmp_button->active && (tmp_button != toggle_button))
|
|
{
|
|
gtk_button_clicked (GTK_BUTTON (tmp_button));
|
|
break;
|
|
}
|
|
}
|
|
|
|
new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
|
|
}
|
|
|
|
if (GTK_WIDGET_STATE (button) != new_state)
|
|
gtk_widget_set_state (GTK_WIDGET (button), new_state);
|
|
|
|
if (toggled)
|
|
gtk_toggle_button_toggled (toggle_button);
|
|
|
|
gtk_widget_queue_draw (GTK_WIDGET (button));
|
|
|
|
gtk_widget_unref (GTK_WIDGET (button));
|
|
}
|
|
|
|
static void
|
|
gtk_radio_button_draw_indicator (GtkCheckButton *check_button,
|
|
GdkRectangle *area)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkButton *button;
|
|
GtkToggleButton *toggle_button;
|
|
GtkStateType state_type;
|
|
GtkShadowType shadow_type;
|
|
GdkRectangle restrict_area;
|
|
GdkRectangle new_area;
|
|
gint width, height;
|
|
gint x, y;
|
|
|
|
g_return_if_fail (check_button != NULL);
|
|
g_return_if_fail (GTK_IS_RADIO_BUTTON (check_button));
|
|
|
|
if (GTK_WIDGET_VISIBLE (check_button) && GTK_WIDGET_MAPPED (check_button))
|
|
{
|
|
widget = GTK_WIDGET (check_button);
|
|
button = GTK_BUTTON (check_button);
|
|
toggle_button = GTK_TOGGLE_BUTTON (check_button);
|
|
|
|
state_type = GTK_WIDGET_STATE (widget);
|
|
if ((state_type != GTK_STATE_NORMAL) &&
|
|
(state_type != GTK_STATE_PRELIGHT))
|
|
state_type = GTK_STATE_NORMAL;
|
|
|
|
restrict_area.x = widget->allocation.x + GTK_CONTAINER (widget)->border_width;
|
|
restrict_area.y = widget->allocation.y + GTK_CONTAINER (widget)->border_width;
|
|
restrict_area.width = widget->allocation.width - ( 2 * GTK_CONTAINER (widget)->border_width);
|
|
restrict_area.height = widget->allocation.height - ( 2 * GTK_CONTAINER (widget)->border_width);
|
|
|
|
if (gdk_rectangle_intersect (area, &restrict_area, &new_area))
|
|
{
|
|
if (state_type != GTK_STATE_NORMAL)
|
|
gtk_paint_flat_box(widget->style, widget->window, state_type,
|
|
GTK_SHADOW_ETCHED_OUT,
|
|
area, widget, "radiobutton",
|
|
new_area.x, new_area.y,
|
|
new_area.width, new_area.height);
|
|
}
|
|
|
|
x = widget->allocation.x + GTK_CHECK_BUTTON_GET_CLASS (widget)->indicator_spacing + GTK_CONTAINER (widget)->border_width;
|
|
y = widget->allocation.y + (widget->allocation.height - GTK_CHECK_BUTTON_GET_CLASS (widget)->indicator_size) / 2;
|
|
width = GTK_CHECK_BUTTON_GET_CLASS (widget)->indicator_size;
|
|
height = GTK_CHECK_BUTTON_GET_CLASS (widget)->indicator_size;
|
|
|
|
if (GTK_TOGGLE_BUTTON (widget)->active)
|
|
shadow_type = GTK_SHADOW_IN;
|
|
else
|
|
shadow_type = GTK_SHADOW_OUT;
|
|
|
|
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
|
|
x = widget->allocation.x + widget->allocation.width - (width + x - widget->allocation.x);
|
|
|
|
gtk_paint_option (widget->style, widget->window,
|
|
GTK_WIDGET_STATE (widget), shadow_type,
|
|
area, widget, "radiobutton",
|
|
x, y, width, height);
|
|
}
|
|
}
|