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a663c855ce
2002-05-13 Sven Neumann <sven@gimp.org> * app/widgets/gimpenummenu.[ch]: added _with_range variants for all enum menu widgets that limit the range of choices. * app/gui/file-new-dialog.c * app/gui/layers-commands.c * app/gui/preferences-dialog.c: use GimpEnumMenus with ranges.
402 lines
12 KiB
C
402 lines
12 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpenummenu.c
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* Copyright (C) 2002 Sven Neumann <sven@gimp.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "widgets-types.h"
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#include "gimpenummenu.h"
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#include "libgimp/gimpintl.h"
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static void gimp_enum_menu_class_init (GimpEnumMenuClass *klass);
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static void gimp_enum_menu_init (GimpEnumMenu *enum_menu);
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static void gimp_enum_menu_finalize (GObject *object);
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static GtkMenuClass *parent_class = NULL;
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GType
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gimp_enum_menu_get_type (void)
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{
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static GType enum_menu_type = 0;
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if (!enum_menu_type)
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{
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static const GTypeInfo enum_menu_info =
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{
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sizeof (GimpEnumMenuClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gimp_enum_menu_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpEnumMenu),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_enum_menu_init,
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};
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enum_menu_type = g_type_register_static (GTK_TYPE_MENU,
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"GimpEnumMenu",
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&enum_menu_info, 0);
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}
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return enum_menu_type;
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}
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static void
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gimp_enum_menu_class_init (GimpEnumMenuClass *klass)
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{
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GObjectClass *object_class;
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parent_class = g_type_class_peek_parent (klass);
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object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = gimp_enum_menu_finalize;
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}
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static void
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gimp_enum_menu_init (GimpEnumMenu *enum_menu)
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{
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enum_menu->enum_class = NULL;
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}
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static void
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gimp_enum_menu_finalize (GObject *object)
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{
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GimpEnumMenu *enum_menu = GIMP_ENUM_MENU (object);
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if (enum_menu->enum_class)
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g_type_class_unref (enum_menu->enum_class);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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/**
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* gimp_enum_menu_new:
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* @enum_type: the #GType of an enum.
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* @callback: a callback to connect to the "activate" signal of each
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* #GtkMenuItem that is created.
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* @callback_data: data to pass to the @callback.
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*
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* Creates a new #GimpEnumMenu, derived from #GtkMenu with menu items
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* for each of the enum values. The enum needs to be registered to the
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* type system and should have translatable value names.
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*
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* To each menu item it's enum value is attached as "gimp-item-data".
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* Therefore you can use gimp_menu_item_update() from libgimpwidgets
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* as @callback function.
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*
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* Return value: a new #GimpEnumMenu.
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**/
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GtkWidget *
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gimp_enum_menu_new (GType enum_type,
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GCallback callback,
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gpointer callback_data)
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{
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GEnumClass *enum_class;
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GtkWidget *menu;
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g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
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enum_class = g_type_class_ref (enum_type);
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menu = gimp_enum_menu_new_with_range (enum_type,
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enum_class->minimum,
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enum_class->maximum,
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callback, callback_data);
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g_type_class_unref (enum_class);
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return menu;
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}
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GtkWidget *
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gimp_enum_menu_new_with_range (GType enum_type,
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gint minimum,
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gint maximum,
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GCallback callback,
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gpointer callback_data)
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{
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GimpEnumMenu *menu;
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GtkWidget *menu_item;
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GEnumValue *value;
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g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
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menu = g_object_new (GIMP_TYPE_ENUM_MENU, NULL);
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menu->enum_class = g_type_class_ref (enum_type);
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for (value = menu->enum_class->values; value->value_name; value++)
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{
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if (value->value < minimum || value->value > maximum)
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continue;
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menu_item = gtk_menu_item_new_with_label (gettext (value->value_name));
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gtk_menu_shell_append (GTK_MENU_SHELL (menu), menu_item);
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gtk_widget_show (menu_item);
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g_object_set_data (G_OBJECT (menu_item), "gimp-item-data",
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GINT_TO_POINTER (value->value));
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if (callback)
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g_signal_connect (G_OBJECT (menu_item), "activate",
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callback,
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callback_data);
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}
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return GTK_WIDGET (menu);
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}
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/**
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* gimp_enum_option_menu_new:
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* @enum_type: the #GType of an enum.
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* @callback: a callback to connect to the "activate" signal of each
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* #GtkMenuItem that is created.
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* @callback_data: data to pass to the @callback.
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*
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* This function calls gimp_enum_menu_new() for you and attaches
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* the resulting @GtkMenu to a newly created #GtkOptionMenu.
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*
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* Return value: a new #GtkOptionMenu.
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**/
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GtkWidget *
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gimp_enum_option_menu_new (GType enum_type,
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GCallback callback,
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gpointer callback_data)
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{
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GtkWidget *option_menu;
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GtkWidget *menu;
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g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
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menu = gimp_enum_menu_new (enum_type, callback, callback_data);
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option_menu = gtk_option_menu_new ();
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gtk_option_menu_set_menu (GTK_OPTION_MENU (option_menu), menu);
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return option_menu;
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}
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GtkWidget *
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gimp_enum_option_menu_new_with_range (GType enum_type,
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gint minimum,
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gint maximum,
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GCallback callback,
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gpointer callback_data)
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{
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GtkWidget *option_menu;
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GtkWidget *menu;
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g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
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menu = gimp_enum_menu_new_with_range (enum_type,
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minimum, maximum,
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callback, callback_data);
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option_menu = gtk_option_menu_new ();
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gtk_option_menu_set_menu (GTK_OPTION_MENU (option_menu), menu);
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return option_menu;
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}
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/**
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* gimp_enum_radio_box_new:
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* @enum_type: the #GType of an enum.
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* @callback: a callback to connect to the "toggled" signal of each
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* #GtkRadioButton that is created.
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* @callback_data: data to pass to the @callback.
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* @first_button: returns the first button in the created group.
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*
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* Creates a new group of #GtkRadioButtons representing the enum values.
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* This is very similar to gimp_enum_menu_new().
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*
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* Return value: a new #GtkVBox holding a group of #GtkRadioButtons.
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**/
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GtkWidget *
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gimp_enum_radio_box_new (GType enum_type,
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GCallback callback,
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gpointer callback_data,
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GtkWidget **first_button)
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{
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GEnumClass *enum_class;
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GtkWidget *vbox;
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g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
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enum_class = g_type_class_ref (enum_type);
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vbox = gimp_enum_radio_box_new_with_range (enum_type,
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enum_class->minimum,
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enum_class->maximum,
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callback, callback_data,
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first_button);
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g_type_class_unref (enum_class);
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return vbox;
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}
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GtkWidget *
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gimp_enum_radio_box_new_with_range (GType enum_type,
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gint minimum,
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gint maximum,
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GCallback callback,
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gpointer callback_data,
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GtkWidget **first_button)
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{
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GtkWidget *vbox;
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GtkWidget *button;
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GEnumClass *enum_class;
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GEnumValue *value;
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GSList *group = NULL;
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g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
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enum_class = g_type_class_ref (enum_type);
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vbox = gtk_vbox_new (FALSE, 1);
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g_object_weak_ref (G_OBJECT (vbox),
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(GWeakNotify) g_type_class_unref, enum_class);
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if (first_button)
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*first_button = NULL;
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for (value = enum_class->values; value->value_name; value++)
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{
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if (value->value < minimum || value->value > maximum)
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continue;
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button = gtk_radio_button_new_with_label (group,
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gettext (value->value_name));
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if (first_button && *first_button == NULL)
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*first_button = button;
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group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (button));
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gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
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gtk_widget_show (button);
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g_object_set_data (G_OBJECT (button), "gimp-item-data",
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GINT_TO_POINTER (value->value));
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if (callback)
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g_signal_connect (G_OBJECT (button), "toggled",
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callback,
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callback_data);
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}
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return vbox;
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}
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/**
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* gimp_enum_radio_frame_new:
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* @enum_type: the #GType of an enum.
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* @label_widget: a widget to put into the frame that will hold the radio box.
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* @border_width: the border_width of the vbox inside the frame.
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* @callback: a callback to connect to the "toggled" signal of each
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* #GtkRadioButton that is created.
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* @callback_data: data to pass to the @callback.
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* @first_button: returns the first button in the created group.
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*
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* Calls gimp_enum_radio_box_new() and puts the resulting vbox into a
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* #GtkFrame.
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*
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* Return value: a new #GtkFrame holding a group of #GtkRadioButtons.
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**/
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GtkWidget *
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gimp_enum_radio_frame_new (GType enum_type,
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GtkWidget *label_widget,
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gint border_width,
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GCallback callback,
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gpointer callback_data,
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GtkWidget **first_button)
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{
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GtkWidget *frame;
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GtkWidget *radio_box;
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g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
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g_return_val_if_fail (label_widget == NULL || GTK_IS_WIDGET (label_widget),
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NULL);
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frame = gtk_frame_new (NULL);
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if (label_widget)
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{
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gtk_frame_set_label_widget (GTK_FRAME (frame), label_widget);
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gtk_widget_show (label_widget);
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}
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radio_box = gimp_enum_radio_box_new (enum_type,
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callback, callback_data,
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first_button);
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gtk_container_set_border_width (GTK_CONTAINER (radio_box), border_width);
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gtk_container_add (GTK_CONTAINER (frame), radio_box);
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gtk_widget_show (radio_box);
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return frame;
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}
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GtkWidget *
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gimp_enum_radio_frame_new_with_range (GType enum_type,
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gint minimum,
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gint maximum,
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GtkWidget *label_widget,
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gint border_width,
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GCallback callback,
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gpointer callback_data,
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GtkWidget **first_button)
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{
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GtkWidget *frame;
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GtkWidget *radio_box;
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g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
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g_return_val_if_fail (label_widget == NULL || GTK_IS_WIDGET (label_widget),
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NULL);
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frame = gtk_frame_new (NULL);
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if (label_widget)
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{
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gtk_frame_set_label_widget (GTK_FRAME (frame), label_widget);
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gtk_widget_show (label_widget);
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}
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radio_box = gimp_enum_radio_box_new_with_range (enum_type,
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minimum,
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maximum,
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callback, callback_data,
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first_button);
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gtk_container_set_border_width (GTK_CONTAINER (radio_box), border_width);
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gtk_container_add (GTK_CONTAINER (frame), radio_box);
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gtk_widget_show (radio_box);
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return frame;
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}
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