forked from AuroraMiddleware/gtk
323 lines
8.4 KiB
C
323 lines
8.4 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 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 this library; if not, write to the Free
|
|
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
#include "gtklabel.h"
|
|
#include "gtkradiobutton.h"
|
|
#include "gtksignal.h"
|
|
|
|
|
|
#define CHECK_BUTTON_CLASS(w) GTK_CHECK_BUTTON_CLASS (GTK_OBJECT (w)->klass)
|
|
|
|
|
|
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 GtkCheckButtonClass *parent_class = NULL;
|
|
|
|
|
|
guint
|
|
gtk_radio_button_get_type ()
|
|
{
|
|
static guint radio_button_type = 0;
|
|
|
|
if (!radio_button_type)
|
|
{
|
|
GtkTypeInfo radio_button_info =
|
|
{
|
|
"GtkRadioButton",
|
|
sizeof (GtkRadioButton),
|
|
sizeof (GtkRadioButtonClass),
|
|
(GtkClassInitFunc) gtk_radio_button_class_init,
|
|
(GtkObjectInitFunc) gtk_radio_button_init,
|
|
(GtkArgSetFunc) NULL,
|
|
(GtkArgGetFunc) 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 ());
|
|
|
|
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)
|
|
{
|
|
radio_button->group = NULL;
|
|
}
|
|
|
|
GtkWidget*
|
|
gtk_radio_button_new (GSList *group)
|
|
{
|
|
GtkRadioButton *radio_button;
|
|
GtkRadioButton *tmp_button;
|
|
GSList *tmp_list;
|
|
|
|
radio_button = gtk_type_new (gtk_radio_button_get_type ());
|
|
|
|
tmp_list = group;
|
|
radio_button->group = g_slist_prepend (group, radio_button);
|
|
|
|
if (tmp_list)
|
|
{
|
|
while (tmp_list)
|
|
{
|
|
tmp_button = tmp_list->data;
|
|
tmp_list = tmp_list->next;
|
|
|
|
tmp_button->group = radio_button->group;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
GTK_TOGGLE_BUTTON (radio_button)->active = TRUE;
|
|
gtk_widget_set_state (GTK_WIDGET (radio_button), GTK_STATE_ACTIVE);
|
|
}
|
|
|
|
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;
|
|
|
|
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));
|
|
}
|
|
|
|
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;
|
|
GdkPoint pts[4];
|
|
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;
|
|
|
|
gtk_style_set_background (widget->style, widget->window, state_type);
|
|
gdk_window_clear_area (widget->window, area->x, area->y, area->width, area->height);
|
|
|
|
x = CHECK_BUTTON_CLASS (widget)->indicator_spacing + GTK_CONTAINER (widget)->border_width;
|
|
y = (widget->allocation.height - CHECK_BUTTON_CLASS (widget)->indicator_size) / 2;
|
|
width = CHECK_BUTTON_CLASS (widget)->indicator_size;
|
|
height = CHECK_BUTTON_CLASS (widget)->indicator_size;
|
|
|
|
if (GTK_WIDGET_STATE (widget) == GTK_STATE_ACTIVE)
|
|
shadow_type = GTK_SHADOW_IN;
|
|
else if ((GTK_WIDGET_STATE (widget) == GTK_STATE_PRELIGHT) && toggle_button->active)
|
|
shadow_type = GTK_SHADOW_IN;
|
|
else
|
|
shadow_type = GTK_SHADOW_OUT;
|
|
|
|
pts[0].x = x + width / 2;
|
|
pts[0].y = y;
|
|
pts[1].x = x + width;
|
|
pts[1].y = y + height / 2;
|
|
pts[2].x = pts[0].x;
|
|
pts[2].y = y + height;
|
|
pts[3].x = x;
|
|
pts[3].y = pts[1].y;
|
|
|
|
gdk_draw_polygon (widget->window,
|
|
widget->style->bg_gc[GTK_WIDGET_STATE (widget)],
|
|
TRUE, pts, 4);
|
|
gtk_draw_diamond (widget->style, widget->window,
|
|
GTK_WIDGET_STATE (widget), shadow_type,
|
|
x, y, width, height);
|
|
}
|
|
}
|