* 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
+ * 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
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * 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 "gtkaccellabel.h"
+#include "gtkmarshalers.h"
#include "gtkradiomenuitem.h"
static void gtk_radio_menu_item_class_init (GtkRadioMenuItemClass *klass);
static void gtk_radio_menu_item_init (GtkRadioMenuItem *radio_menu_item);
+static void gtk_radio_menu_item_destroy (GtkObject *object);
static void gtk_radio_menu_item_activate (GtkMenuItem *menu_item);
-static void gtk_radio_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
- GdkRectangle *area);
+static GtkCheckMenuItemClass *parent_class = NULL;
+
+static guint group_changed_signal = 0;
-GtkType
+GType
gtk_radio_menu_item_get_type (void)
{
- static GtkType radio_menu_item_type = 0;
+ static GType radio_menu_item_type = 0;
if (!radio_menu_item_type)
{
- GtkTypeInfo radio_menu_item_info =
+ static const GTypeInfo radio_menu_item_info =
{
- "GtkRadioMenuItem",
- sizeof (GtkRadioMenuItem),
sizeof (GtkRadioMenuItemClass),
- (GtkClassInitFunc) gtk_radio_menu_item_class_init,
- (GtkObjectInitFunc) gtk_radio_menu_item_init,
- /* reversed_1 */ NULL,
- /* reversed_2 */ NULL,
- (GtkClassInitFunc) NULL,
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) gtk_radio_menu_item_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (GtkRadioMenuItem),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) gtk_radio_menu_item_init,
};
- radio_menu_item_type = gtk_type_unique (gtk_check_menu_item_get_type (), &radio_menu_item_info);
+ radio_menu_item_type =
+ g_type_register_static (GTK_TYPE_CHECK_MENU_ITEM, "GtkRadioMenuItem",
+ &radio_menu_item_info, 0);
}
return radio_menu_item_type;
{
GtkRadioMenuItem *radio_menu_item;
- radio_menu_item = gtk_type_new (gtk_radio_menu_item_get_type ());
+ radio_menu_item = g_object_new (GTK_TYPE_RADIO_MENU_ITEM, NULL);
gtk_radio_menu_item_set_group (radio_menu_item, group);
gtk_radio_menu_item_set_group (GtkRadioMenuItem *radio_menu_item,
GSList *group)
{
- g_return_if_fail (radio_menu_item != NULL);
+ GtkWidget *old_group_singleton = NULL;
+ GtkWidget *new_group_singleton = NULL;
+
g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (radio_menu_item));
g_return_if_fail (!g_slist_find (group, radio_menu_item));
-
+
if (radio_menu_item->group)
{
GSList *slist;
-
+
radio_menu_item->group = g_slist_remove (radio_menu_item->group, radio_menu_item);
+ if (radio_menu_item->group && !radio_menu_item->group->next)
+ old_group_singleton = g_object_ref (radio_menu_item->group->data);
+
for (slist = radio_menu_item->group; slist; slist = slist->next)
{
GtkRadioMenuItem *tmp_item;
}
}
+ if (group && !group->next)
+ new_group_singleton = g_object_ref (group->data);
+
radio_menu_item->group = g_slist_prepend (group, radio_menu_item);
if (group)
/* gtk_widget_set_state (GTK_WIDGET (radio_menu_item), GTK_STATE_ACTIVE);
*/
}
+
+ g_object_ref (radio_menu_item);
+
+ g_signal_emit (radio_menu_item, group_changed_signal, 0);
+ if (old_group_singleton)
+ {
+ g_signal_emit (old_group_singleton, group_changed_signal, 0);
+ g_object_unref (old_group_singleton);
+ }
+ if (new_group_singleton)
+ {
+ g_signal_emit (new_group_singleton, group_changed_signal, 0);
+ g_object_unref (new_group_singleton);
+ }
+
+ g_object_unref (radio_menu_item);
}
GtkWidget*
return radio_menu_item;
}
+
+/**
+ * gtk_radio_menu_item_new_with_mnemonic:
+ * @group: group the radio menu item is inside
+ * @label: the text of the button, with an underscore in front of the
+ * mnemonic character
+ * @returns: a new #GtkRadioMenuItem
+ *
+ * Creates a new #GtkRadioMenuItem containing a label. The label
+ * will be created using gtk_label_new_with_mnemonic(), so underscores
+ * in @label indicate the mnemonic for the menu item.
+ **/
+GtkWidget*
+gtk_radio_menu_item_new_with_mnemonic (GSList *group,
+ const gchar *label)
+{
+ GtkWidget *radio_menu_item;
+ GtkWidget *accel_label;
+
+ radio_menu_item = gtk_radio_menu_item_new (group);
+ accel_label = g_object_new (GTK_TYPE_ACCEL_LABEL, NULL);
+ gtk_label_set_text_with_mnemonic (GTK_LABEL (accel_label), label);
+ gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
+
+ gtk_container_add (GTK_CONTAINER (radio_menu_item), accel_label);
+ gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (accel_label), radio_menu_item);
+ gtk_widget_show (accel_label);
+
+ return radio_menu_item;
+}
+
+/**
+ * gtk_radio_menu_item_new_from_widget:
+ * @group: An existing #GtkRadioMenuItem
+ *
+ * Creates a new #GtkRadioMenuItem adding it to the same group as @group.
+ *
+ * Return value: The new #GtkRadioMenuItem
+ *
+ * Since: 2.4
+ **/
+GtkWidget *
+gtk_radio_menu_item_new_from_widget (GtkRadioMenuItem *group)
+{
+ GSList *list = NULL;
+
+ g_return_val_if_fail (GTK_IS_RADIO_MENU_ITEM (group), NULL);
+
+ if (group)
+ list = gtk_radio_menu_item_get_group (group);
+
+ return gtk_radio_menu_item_new (list);
+}
+
+/**
+ * gtk_radio_menu_item_new_with_mnemonic_from_widget:
+ * @group: An existing #GtkRadioMenuItem
+ * @label: the text of the button, with an underscore in front of the
+ * mnemonic character
+ *
+ * Creates a new GtkRadioMenuItem containing a label. The label will be
+ * created using gtk_label_new_with_mnemonic(), so underscores in label
+ * indicate the mnemonic for the menu item.
+ *
+ * The new #GtkRadioMenuItem is added to the same group as @group.
+ *
+ * Return value: The new #GtkRadioMenuItem
+ *
+ * Since: 2.4
+ **/
+GtkWidget *
+gtk_radio_menu_item_new_with_mnemonic_from_widget (GtkRadioMenuItem *group,
+ const gchar *label)
+{
+ GSList *list = NULL;
+
+ g_return_val_if_fail (GTK_IS_RADIO_MENU_ITEM (group), NULL);
+
+ if (group)
+ list = gtk_radio_menu_item_get_group (group);
+
+ return gtk_radio_menu_item_new_with_mnemonic (list, label);
+}
+
+/**
+ * gtk_radio_menu_item_new_with_label_from_widget:
+ * @group: an existing #GtkRadioMenuItem
+ * @label: the text for the label
+ *
+ * Creates a new GtkRadioMenuItem whose child is a simple GtkLabel.
+ * The new #GtkRadioMenuItem is added to the same group as @group.
+ *
+ * Return value: The new #GtkRadioMenuItem
+ *
+ * Since: 2.4
+ **/
+GtkWidget *
+gtk_radio_menu_item_new_with_label_from_widget (GtkRadioMenuItem *group,
+ const gchar *label)
+{
+ GSList *list = NULL;
+
+ g_return_val_if_fail (GTK_IS_RADIO_MENU_ITEM (group), NULL);
+
+ if (group)
+ list = gtk_radio_menu_item_get_group (group);
+
+ return gtk_radio_menu_item_new_with_label (list, label);
+}
+
GSList*
-gtk_radio_menu_item_group (GtkRadioMenuItem *radio_menu_item)
+gtk_radio_menu_item_get_group (GtkRadioMenuItem *radio_menu_item)
{
- g_return_val_if_fail (radio_menu_item != NULL, NULL);
g_return_val_if_fail (GTK_IS_RADIO_MENU_ITEM (radio_menu_item), NULL);
return radio_menu_item->group;
static void
gtk_radio_menu_item_class_init (GtkRadioMenuItemClass *klass)
{
+ GtkObjectClass *object_class;
GtkMenuItemClass *menu_item_class;
- GtkCheckMenuItemClass *check_menu_item_class;
+ object_class = (GtkObjectClass*) klass;
menu_item_class = (GtkMenuItemClass*) klass;
- check_menu_item_class = (GtkCheckMenuItemClass*) klass;
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ object_class->destroy = gtk_radio_menu_item_destroy;
menu_item_class->activate = gtk_radio_menu_item_activate;
- check_menu_item_class->draw_indicator = gtk_radio_menu_item_draw_indicator;
+ /**
+ * GtkStyle::group-changed:
+ * @style: the object which received the signal
+ *
+ * Emitted when the group of radio menu items that a radio menu item belongs
+ * to changes. This is emitted when a radio menu item switches from
+ * being alone to being part of a group of 2 or more menu items, or
+ * vice-versa, and when a buttton is moved from one group of 2 or
+ * more menu items to a different one, but not when the composition
+ * of the group that a menu item belongs to changes.
+ */
+ group_changed_signal = g_signal_new ("group-changed",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GtkRadioMenuItemClass, group_changed),
+ NULL, NULL,
+ _gtk_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
}
static void
gtk_radio_menu_item_init (GtkRadioMenuItem *radio_menu_item)
{
radio_menu_item->group = g_slist_prepend (NULL, radio_menu_item);
+ gtk_check_menu_item_set_draw_as_radio (GTK_CHECK_MENU_ITEM (radio_menu_item), TRUE);
+}
+
+static void
+gtk_radio_menu_item_destroy (GtkObject *object)
+{
+ GtkWidget *old_group_singleton = NULL;
+ GtkRadioMenuItem *radio_menu_item;
+ GtkRadioMenuItem *tmp_menu_item;
+ GSList *tmp_list;
+ gboolean was_in_group;
+
+ g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (object));
+
+ radio_menu_item = GTK_RADIO_MENU_ITEM (object);
+
+ was_in_group = radio_menu_item->group && radio_menu_item->group->next;
+
+ radio_menu_item->group = g_slist_remove (radio_menu_item->group,
+ radio_menu_item);
+ if (radio_menu_item->group && !radio_menu_item->group->next)
+ old_group_singleton = radio_menu_item->group->data;
+
+ tmp_list = radio_menu_item->group;
+
+ while (tmp_list)
+ {
+ tmp_menu_item = tmp_list->data;
+ tmp_list = tmp_list->next;
+
+ tmp_menu_item->group = radio_menu_item->group;
+ }
+
+ /* this radio menu item is no longer in the group */
+ radio_menu_item->group = NULL;
+
+ if (old_group_singleton)
+ g_signal_emit (old_group_singleton, group_changed_signal, 0);
+ if (was_in_group)
+ g_signal_emit (radio_menu_item, group_changed_signal, 0);
+
+ if (GTK_OBJECT_CLASS (parent_class)->destroy)
+ (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
static void
GSList *tmp_list;
gint toggled;
- g_return_if_fail (menu_item != NULL);
g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (menu_item));
radio_menu_item = GTK_RADIO_MENU_ITEM (menu_item);
if (toggled)
gtk_check_menu_item_toggled (check_menu_item);
- gtk_widget_queue_draw (GTK_WIDGET (radio_menu_item));
-}
-
-static void
-gtk_radio_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
- GdkRectangle *area)
-{
- GtkWidget *widget;
- GtkStateType state_type;
- GtkShadowType shadow_type;
- GdkPoint pts[4];
- gint width, height;
- gint x, y;
-
- g_return_if_fail (check_menu_item != NULL);
- g_return_if_fail (GTK_IS_RADIO_MENU_ITEM (check_menu_item));
-
- if (GTK_WIDGET_DRAWABLE (check_menu_item))
- {
- widget = GTK_WIDGET (check_menu_item);
-
- width = 8;
- height = 8;
- x = (GTK_CONTAINER (check_menu_item)->border_width +
- widget->style->klass->xthickness + 2);
- y = (widget->allocation.height - height) / 2;
- gdk_window_clear_area (widget->window, x, y, width, height);
-
- if (check_menu_item->active ||
- check_menu_item->always_show_toggle ||
- (GTK_WIDGET_STATE (check_menu_item) == GTK_STATE_PRELIGHT))
- {
- state_type = GTK_WIDGET_STATE (widget);
- if (check_menu_item->active ||
- !check_menu_item->always_show_toggle)
- 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[state_type],
- TRUE, pts, 4);
- gtk_draw_diamond (widget->style, widget->window,
- state_type, shadow_type,
- x, y, width, height);
- }
- }
+ gtk_widget_queue_draw (GTK_WIDGET (radio_menu_item));
}
-
projects / ~andy / gtk / blobdiff