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gimp/libgimpwidgets/gimpenumwidgets.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpenumwidgets.c
* Copyright (C) 2002-2004 Sven Neumann <sven@gimp.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "gimpenumwidgets.h"
/**
* gimp_enum_radio_box_new:
* @enum_type: the #GType of an enum.
* @callback: a callback to connect to the "toggled" signal of each
* #GtkRadioButton that is created.
* @callback_data: data to pass to the @callback.
* @first_button: returns the first button in the created group.
*
* Creates a new group of #GtkRadioButtons representing the enum values.
* This is very similar to gimp_enum_menu_new().
*
* Return value: a new #GtkVBox holding a group of #GtkRadioButtons.
**/
GtkWidget *
gimp_enum_radio_box_new (GType enum_type,
GCallback callback,
gpointer callback_data,
GtkWidget **first_button)
{
GEnumClass *enum_class;
GtkWidget *vbox;
g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
enum_class = g_type_class_ref (enum_type);
vbox = gimp_enum_radio_box_new_with_range (enum_type,
enum_class->minimum,
enum_class->maximum,
callback, callback_data,
first_button);
g_type_class_unref (enum_class);
return vbox;
}
GtkWidget *
gimp_enum_radio_box_new_with_range (GType enum_type,
gint minimum,
gint maximum,
GCallback callback,
gpointer callback_data,
GtkWidget **first_button)
{
GtkWidget *vbox;
GtkWidget *button;
GEnumClass *enum_class;
GEnumValue *value;
GSList *group = NULL;
g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
enum_class = g_type_class_ref (enum_type);
vbox = gtk_vbox_new (FALSE, 1);
g_object_weak_ref (G_OBJECT (vbox),
(GWeakNotify) g_type_class_unref, enum_class);
if (first_button)
*first_button = NULL;
for (value = enum_class->values; value->value_name; value++)
{
const gchar *desc;
if (value->value < minimum || value->value > maximum)
continue;
desc = gimp_enum_value_get_desc (enum_class, value);
button = gtk_radio_button_new_with_mnemonic (group, desc);
if (first_button && *first_button == NULL)
*first_button = button;
group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (button));
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_object_set_data (G_OBJECT (button), "gimp-item-data",
GINT_TO_POINTER (value->value));
if (callback)
g_signal_connect (button, "toggled",
callback,
callback_data);
}
return vbox;
}
/**
* gimp_enum_radio_frame_new:
* @enum_type: the #GType of an enum.
* @label_widget: a widget to put into the frame that will hold the radio box.
* @callback: a callback to connect to the "toggled" signal of each
* #GtkRadioButton that is created.
* @callback_data: data to pass to the @callback.
* @first_button: returns the first button in the created group.
*
* Calls gimp_enum_radio_box_new() and puts the resulting vbox into a
* #GtkFrame.
*
* Return value: a new #GtkFrame holding a group of #GtkRadioButtons.
**/
GtkWidget *
gimp_enum_radio_frame_new (GType enum_type,
GtkWidget *label_widget,
GCallback callback,
gpointer callback_data,
GtkWidget **first_button)
{
GtkWidget *frame;
GtkWidget *radio_box;
g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
g_return_val_if_fail (label_widget == NULL || GTK_IS_WIDGET (label_widget),
NULL);
frame = gimp_frame_new (NULL);
if (label_widget)
{
gtk_frame_set_label_widget (GTK_FRAME (frame), label_widget);
gtk_widget_show (label_widget);
}
radio_box = gimp_enum_radio_box_new (enum_type,
callback, callback_data,
first_button);
gtk_container_add (GTK_CONTAINER (frame), radio_box);
gtk_widget_show (radio_box);
return frame;
}
GtkWidget *
gimp_enum_radio_frame_new_with_range (GType enum_type,
gint minimum,
gint maximum,
GtkWidget *label_widget,
GCallback callback,
gpointer callback_data,
GtkWidget **first_button)
{
GtkWidget *frame;
GtkWidget *radio_box;
g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
g_return_val_if_fail (label_widget == NULL || GTK_IS_WIDGET (label_widget),
NULL);
frame = gimp_frame_new (NULL);
if (label_widget)
{
gtk_frame_set_label_widget (GTK_FRAME (frame), label_widget);
gtk_widget_show (label_widget);
}
radio_box = gimp_enum_radio_box_new_with_range (enum_type,
minimum,
maximum,
callback, callback_data,
first_button);
gtk_container_add (GTK_CONTAINER (frame), radio_box);
gtk_widget_show (radio_box);
return frame;
}
/**
* gimp_enum_stock_box_new:
* @enum_type: the #GType of an enum.
* @stock_prefix: the prefix of the group of stock ids to use.
* @icon_size:
* @callback: a callback to connect to the "toggled" signal of each
* #GtkRadioButton that is created.
* @callback_data: data to pass to the @callback.
* @first_button: returns the first button in the created group.
*
* Creates a horizontal box of radio buttons with stock icons. The
* stock_id for each icon is created by appending the enum_value's
* nick to the given @stock_prefix.
*
* Return value: a new #GtkHbox holding a group of #GtkRadioButtons.
**/
GtkWidget *
gimp_enum_stock_box_new (GType enum_type,
const gchar *stock_prefix,
GtkIconSize icon_size,
GCallback callback,
gpointer callback_data,
GtkWidget **first_button)
{
GEnumClass *enum_class;
GtkWidget *box;
g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
enum_class = g_type_class_ref (enum_type);
box = gimp_enum_stock_box_new_with_range (enum_type,
enum_class->minimum,
enum_class->maximum,
stock_prefix, icon_size,
callback, callback_data,
first_button);
g_type_class_unref (enum_class);
return box;
}
GtkWidget *
gimp_enum_stock_box_new_with_range (GType enum_type,
gint minimum,
gint maximum,
const gchar *stock_prefix,
GtkIconSize icon_size,
GCallback callback,
gpointer callback_data,
GtkWidget **first_button)
{
GtkWidget *hbox;
GtkWidget *button;
GtkWidget *image;
GEnumClass *enum_class;
GEnumValue *value;
gchar *stock_id;
GSList *group = NULL;
g_return_val_if_fail (G_TYPE_IS_ENUM (enum_type), NULL);
g_return_val_if_fail (stock_prefix != NULL, NULL);
enum_class = g_type_class_ref (enum_type);
hbox = gtk_hbox_new (FALSE, 2);
g_object_weak_ref (G_OBJECT (hbox),
(GWeakNotify) g_type_class_unref, enum_class);
if (first_button)
*first_button = NULL;
for (value = enum_class->values; value->value_name; value++)
{
if (value->value < minimum || value->value > maximum)
continue;
button = gtk_radio_button_new (group);
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (button), FALSE);
if (first_button && *first_button == NULL)
*first_button = button;
stock_id = g_strconcat (stock_prefix, "-", value->value_nick, NULL);
image = gtk_image_new_from_stock (stock_id, icon_size);
g_free (stock_id);
if (image)
{
gtk_container_add (GTK_CONTAINER (button), image);
gtk_widget_show (image);
}
gimp_help_set_help_data (button,
gimp_enum_value_get_desc (enum_class, value),
NULL);
group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (button));
gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_object_set_data (G_OBJECT (button), "gimp-item-data",
GINT_TO_POINTER (value->value));
if (callback)
g_signal_connect (button, "toggled",
callback,
callback_data);
}
return hbox;
}
void
gimp_enum_stock_box_set_child_padding (GtkWidget *stock_box,
gint xpad,
gint ypad)
{
GList *list;
g_return_if_fail (GTK_IS_CONTAINER (stock_box));
for (list = gtk_container_get_children (GTK_CONTAINER (stock_box));
list;
list = g_list_next (list))
{
GtkBin *bin = list->data;
GtkMisc *misc = GTK_MISC (bin->child);
gtk_misc_set_padding (misc,
xpad < 0 ? misc->xpad : xpad,
ypad < 0 ? misc->ypad : ypad);
}
}
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