forked from AuroraMiddleware/gtk
060c32e4e0
Fri Jan 22 07:33:44 1999 Tim Janik <timj@gtk.org>
* gtk/gtkvscale.c (gtk_vscale_pos_trough): take value_spacing into
account for GTK_POS_LEFT.
* gtk/gtkradiobutton.c (gtk_radio_button_set_group): use
gtk_toggle_button_set_active () to set the new state.
(gtk_radio_button_new): only _set_group if group != NULL.
(gtk_radio_button_clicked): reference the widget.
(gtk_radio_button_init): make radio buttons active upon
startup.
419 lines
11 KiB
C
419 lines
11 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "gtklabel.h"
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#include "gtkradiobutton.h"
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#include "gtksignal.h"
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enum {
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ARG_0,
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ARG_GROUP
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};
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#define CHECK_BUTTON_CLASS(w) GTK_CHECK_BUTTON_CLASS (GTK_OBJECT (w)->klass)
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static void gtk_radio_button_class_init (GtkRadioButtonClass *klass);
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static void gtk_radio_button_init (GtkRadioButton *radio_button);
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static void gtk_radio_button_destroy (GtkObject *object);
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static void gtk_radio_button_clicked (GtkButton *button);
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static void gtk_radio_button_draw_indicator (GtkCheckButton *check_button,
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GdkRectangle *area);
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static void gtk_radio_button_set_arg (GtkObject *object,
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GtkArg *arg,
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guint arg_id);
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static void gtk_radio_button_get_arg (GtkObject *object,
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GtkArg *arg,
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guint arg_id);
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static GtkCheckButtonClass *parent_class = NULL;
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GtkType
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gtk_radio_button_get_type (void)
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{
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static GtkType radio_button_type = 0;
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if (!radio_button_type)
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{
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static const GtkTypeInfo radio_button_info =
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{
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"GtkRadioButton",
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sizeof (GtkRadioButton),
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sizeof (GtkRadioButtonClass),
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(GtkClassInitFunc) gtk_radio_button_class_init,
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(GtkObjectInitFunc) gtk_radio_button_init,
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/* reserved_1 */ NULL,
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/* reserved_2 */ NULL,
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(GtkClassInitFunc) NULL,
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};
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radio_button_type = gtk_type_unique (gtk_check_button_get_type (), &radio_button_info);
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}
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return radio_button_type;
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}
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static void
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gtk_radio_button_class_init (GtkRadioButtonClass *class)
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{
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GtkObjectClass *object_class;
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GtkButtonClass *button_class;
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GtkCheckButtonClass *check_button_class;
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object_class = (GtkObjectClass*) class;
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button_class = (GtkButtonClass*) class;
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check_button_class = (GtkCheckButtonClass*) class;
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parent_class = gtk_type_class (gtk_check_button_get_type ());
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gtk_object_add_arg_type ("GtkRadioButton::group", GTK_TYPE_RADIO_BUTTON, GTK_ARG_WRITABLE, ARG_GROUP);
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object_class->set_arg = gtk_radio_button_set_arg;
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object_class->get_arg = gtk_radio_button_get_arg;
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object_class->destroy = gtk_radio_button_destroy;
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button_class->clicked = gtk_radio_button_clicked;
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check_button_class->draw_indicator = gtk_radio_button_draw_indicator;
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}
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static void
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gtk_radio_button_init (GtkRadioButton *radio_button)
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{
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GTK_WIDGET_SET_FLAGS (radio_button, GTK_NO_WINDOW);
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GTK_TOGGLE_BUTTON (radio_button)->active = TRUE;
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radio_button->group = g_slist_prepend (NULL, radio_button);
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gtk_widget_set_state (GTK_WIDGET (radio_button), GTK_STATE_ACTIVE);
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}
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static void
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gtk_radio_button_set_arg (GtkObject *object,
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GtkArg *arg,
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guint arg_id)
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{
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GtkRadioButton *radio_button;
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radio_button = GTK_RADIO_BUTTON (object);
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switch (arg_id)
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{
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GSList *slist;
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case ARG_GROUP:
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if (GTK_VALUE_OBJECT (*arg))
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slist = gtk_radio_button_group ((GtkRadioButton*) GTK_VALUE_OBJECT (*arg));
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else
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slist = NULL;
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gtk_radio_button_set_group (radio_button, slist);
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break;
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default:
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break;
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}
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}
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static void
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gtk_radio_button_get_arg (GtkObject *object,
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GtkArg *arg,
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guint arg_id)
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{
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GtkRadioButton *radio_button;
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radio_button = GTK_RADIO_BUTTON (object);
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switch (arg_id)
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{
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default:
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arg->type = GTK_TYPE_INVALID;
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break;
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}
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}
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void
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gtk_radio_button_set_group (GtkRadioButton *radio_button,
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GSList *group)
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{
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g_return_if_fail (radio_button != NULL);
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g_return_if_fail (GTK_IS_RADIO_BUTTON (radio_button));
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g_return_if_fail (!g_slist_find (group, radio_button));
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if (radio_button->group)
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{
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GSList *slist;
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radio_button->group = g_slist_remove (radio_button->group, radio_button);
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for (slist = radio_button->group; slist; slist = slist->next)
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{
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GtkRadioButton *tmp_button;
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tmp_button = slist->data;
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tmp_button->group = radio_button->group;
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}
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}
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radio_button->group = g_slist_prepend (group, radio_button);
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if (group)
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{
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GSList *slist;
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for (slist = group; slist; slist = slist->next)
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{
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GtkRadioButton *tmp_button;
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tmp_button = slist->data;
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tmp_button->group = radio_button->group;
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}
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}
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (radio_button), group == NULL);
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}
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GtkWidget*
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gtk_radio_button_new (GSList *group)
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{
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GtkRadioButton *radio_button;
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radio_button = gtk_type_new (gtk_radio_button_get_type ());
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if (group)
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gtk_radio_button_set_group (radio_button, group);
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return GTK_WIDGET (radio_button);
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}
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GtkWidget*
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gtk_radio_button_new_with_label (GSList *group,
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const gchar *label)
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{
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GtkWidget *radio_button;
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GtkWidget *label_widget;
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radio_button = gtk_radio_button_new (group);
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label_widget = gtk_label_new (label);
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gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
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gtk_container_add (GTK_CONTAINER (radio_button), label_widget);
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gtk_widget_show (label_widget);
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return radio_button;
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}
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GtkWidget*
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gtk_radio_button_new_from_widget (GtkRadioButton *group)
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{
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GSList *l = NULL;
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if (group)
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l = gtk_radio_button_group (group);
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return gtk_radio_button_new (l);
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}
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GtkWidget*
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gtk_radio_button_new_with_label_from_widget (GtkRadioButton *group,
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const gchar *label)
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{
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GSList *l = NULL;
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if (group)
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l = gtk_radio_button_group (group);
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return gtk_radio_button_new_with_label (l, label);
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}
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GSList*
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gtk_radio_button_group (GtkRadioButton *radio_button)
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{
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g_return_val_if_fail (radio_button != NULL, NULL);
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g_return_val_if_fail (GTK_IS_RADIO_BUTTON (radio_button), NULL);
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return radio_button->group;
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}
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static void
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gtk_radio_button_destroy (GtkObject *object)
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{
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GtkRadioButton *radio_button;
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GtkRadioButton *tmp_button;
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GSList *tmp_list;
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g_return_if_fail (object != NULL);
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g_return_if_fail (GTK_IS_RADIO_BUTTON (object));
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radio_button = GTK_RADIO_BUTTON (object);
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radio_button->group = g_slist_remove (radio_button->group, radio_button);
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tmp_list = radio_button->group;
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while (tmp_list)
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{
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tmp_button = tmp_list->data;
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tmp_list = tmp_list->next;
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tmp_button->group = radio_button->group;
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}
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if (GTK_OBJECT_CLASS (parent_class)->destroy)
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(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
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}
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static void
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gtk_radio_button_clicked (GtkButton *button)
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{
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GtkToggleButton *toggle_button;
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GtkRadioButton *radio_button;
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GtkToggleButton *tmp_button;
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GtkStateType new_state;
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GSList *tmp_list;
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gint toggled;
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g_return_if_fail (button != NULL);
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g_return_if_fail (GTK_IS_RADIO_BUTTON (button));
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radio_button = GTK_RADIO_BUTTON (button);
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toggle_button = GTK_TOGGLE_BUTTON (button);
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toggled = FALSE;
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gtk_widget_ref (GTK_WIDGET (button));
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if (toggle_button->active)
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{
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tmp_button = NULL;
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tmp_list = radio_button->group;
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while (tmp_list)
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{
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tmp_button = tmp_list->data;
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tmp_list = tmp_list->next;
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if (tmp_button->active && tmp_button != toggle_button)
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break;
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tmp_button = NULL;
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}
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if (!tmp_button)
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{
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new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
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}
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else
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{
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toggled = TRUE;
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toggle_button->active = !toggle_button->active;
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new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL);
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}
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}
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else
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{
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toggled = TRUE;
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toggle_button->active = !toggle_button->active;
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tmp_list = radio_button->group;
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while (tmp_list)
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{
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tmp_button = tmp_list->data;
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tmp_list = tmp_list->next;
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if (tmp_button->active && (tmp_button != toggle_button))
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{
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gtk_button_clicked (GTK_BUTTON (tmp_button));
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break;
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}
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}
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new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
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}
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if (GTK_WIDGET_STATE (button) != new_state)
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gtk_widget_set_state (GTK_WIDGET (button), new_state);
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if (toggled)
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gtk_toggle_button_toggled (toggle_button);
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gtk_widget_queue_draw (GTK_WIDGET (button));
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gtk_widget_unref (GTK_WIDGET (button));
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}
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static void
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gtk_radio_button_draw_indicator (GtkCheckButton *check_button,
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GdkRectangle *area)
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{
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GtkWidget *widget;
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GtkButton *button;
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GtkToggleButton *toggle_button;
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GtkStateType state_type;
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GtkShadowType shadow_type;
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GdkRectangle restrict_area;
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GdkRectangle new_area;
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gint width, height;
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gint x, y;
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g_return_if_fail (check_button != NULL);
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g_return_if_fail (GTK_IS_RADIO_BUTTON (check_button));
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if (GTK_WIDGET_VISIBLE (check_button) && GTK_WIDGET_MAPPED (check_button))
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{
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widget = GTK_WIDGET (check_button);
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button = GTK_BUTTON (check_button);
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toggle_button = GTK_TOGGLE_BUTTON (check_button);
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state_type = GTK_WIDGET_STATE (widget);
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if ((state_type != GTK_STATE_NORMAL) &&
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(state_type != GTK_STATE_PRELIGHT))
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state_type = GTK_STATE_NORMAL;
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restrict_area.x = widget->allocation.x + GTK_CONTAINER (widget)->border_width;
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restrict_area.y = widget->allocation.y + GTK_CONTAINER (widget)->border_width;
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restrict_area.width = widget->allocation.width - ( 2 * GTK_CONTAINER (widget)->border_width);
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restrict_area.height = widget->allocation.height - ( 2 * GTK_CONTAINER (widget)->border_width);
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if (gdk_rectangle_intersect (area, &restrict_area, &new_area))
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{
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if (state_type != GTK_STATE_NORMAL)
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gtk_paint_flat_box(widget->style, widget->window, state_type,
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GTK_SHADOW_ETCHED_OUT,
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area, widget, "radiobutton",
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new_area.x, new_area.y,
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new_area.width, new_area.height);
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}
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x = widget->allocation.x + CHECK_BUTTON_CLASS (widget)->indicator_spacing + GTK_CONTAINER (widget)->border_width;
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y = widget->allocation.y + (widget->allocation.height - CHECK_BUTTON_CLASS (widget)->indicator_size) / 2;
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width = CHECK_BUTTON_CLASS (widget)->indicator_size;
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height = CHECK_BUTTON_CLASS (widget)->indicator_size;
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if (GTK_TOGGLE_BUTTON (widget)->active)
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shadow_type = GTK_SHADOW_IN;
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else
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shadow_type = GTK_SHADOW_OUT;
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gtk_paint_option (widget->style, widget->window,
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GTK_WIDGET_STATE (widget), shadow_type,
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area, widget, "radiobutton",
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x, y, width, height);
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}
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}
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