gimp/libgimp/gimpgradientmenu.c

149 lines
4.6 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpgradientmenu.c
* Copyright (C) 1998 Andy Thomas
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 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 Lesser General Public
* License along with this library. If not, see
* <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "gimp.h"
#include "gimpuitypes.h"
#include "gimpgradientmenu.h"
#include "gimpgradientselectbutton.h"
/**
* SECTION: gimpgradientmenu
* @title: gimpgradientmenu
* @short_description: A widget for selecting gradients.
*
* A widget for selecting gradients.
**/
typedef struct
{
GimpRunGradientCallback callback;
gpointer data;
} CompatCallbackData;
static void compat_callback (GimpGradientSelectButton *gradient_button,
const gchar *gradient_name,
gint width,
const gdouble *grad_data,
gboolean dialog_closing,
CompatCallbackData *data);
static void compat_callback_data_free (CompatCallbackData *data);
/**
* gimp_gradient_select_widget_new:
* @title: Title of the dialog to use or %NULL to use the default title.
* @gradient_name: Initial gradient name.
* @callback: A function to call when the selected gradient changes.
* @data: A pointer to arbitrary data to be used in the call to @callback.
*
* Creates a new #GtkWidget that completely controls the selection of
* a gradient. This widget is suitable for placement in a table in a
* plug-in dialog.
*
* Returns: A #GtkWidget that you can use in your UI.
*
* Since: 2.2
*/
GtkWidget *
gimp_gradient_select_widget_new (const gchar *title,
const gchar *gradient_name,
GimpRunGradientCallback callback,
gpointer data)
{
GtkWidget *gradient_button;
CompatCallbackData *compat_data;
g_return_val_if_fail (callback != NULL, NULL);
gradient_button = gimp_gradient_select_button_new (title, gradient_name);
compat_data = g_slice_new (CompatCallbackData);
compat_data->callback = callback;
compat_data->data = data;
g_signal_connect_data (gradient_button, "gradient-set",
G_CALLBACK (compat_callback),
compat_data,
(GClosureNotify) compat_callback_data_free, 0);
return gradient_button;
}
/**
* gimp_gradient_select_widget_close:
* @widget: A gradient select widget.
*
* Closes the popup window associated with @widget.
*/
void
gimp_gradient_select_widget_close (GtkWidget *widget)
{
g_return_if_fail (widget != NULL);
gimp_select_button_close_popup (GIMP_SELECT_BUTTON (widget));
}
/**
* gimp_gradient_select_widget_set:
* @widget: A gradient select widget.
* @gradient_name: Gradient name to set.
*
* Sets the current gradient for the gradient select widget. Calls the
* callback function if one was supplied in the call to
* gimp_gradient_select_widget_new().
*/
void
gimp_gradient_select_widget_set (GtkWidget *widget,
const gchar *gradient_name)
{
g_return_if_fail (widget != NULL);
gimp_gradient_select_button_set_gradient (GIMP_GRADIENT_SELECT_BUTTON (widget),
gradient_name);
}
static void
compat_callback (GimpGradientSelectButton *gradient_button,
const gchar *gradient_name,
gint width,
const gdouble *grad_data,
gboolean dialog_closing,
CompatCallbackData *data)
{
data->callback (gradient_name, width, grad_data, dialog_closing, data->data);
}
static void
compat_callback_data_free (CompatCallbackData *data)
{
g_slice_free (CompatCallbackData, data);
}