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gimp/libgimp/gimpmenu.c

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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpmenu.c
*
* 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 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.
*
* 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.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "gimp.h"
#include "gimppixbuf.h"
#undef GIMP_DISABLE_DEPRECATED
#include "gimpmenu.h"
#include "libgimp-intl.h"
#define MENU_THUMBNAIL_WIDTH 24
#define MENU_THUMBNAIL_HEIGHT 24
/* local function prototypes */
static GtkWidget * gimp_menu_make_menu (GimpMenuCallback callback,
gpointer data);
static GtkWidget * gimp_menu_add_item (GtkWidget *menu,
const gchar *image_name,
const gchar *drawable_name,
gint32 any_ID);
static GtkWidget * gimp_menu_add_empty (GtkWidget *menu);
static GtkWidget * gimp_menu_make_preview (gint32 any_ID,
gboolean is_image,
gint width,
gint height);
static void gimp_menu_callback (GtkWidget *widget,
gpointer any_ID);
/* public functions */
/**
* gimp_image_menu_new:
* @constraint:
* @callback:
* @data:
* @active_image:
*
* Use gimp_image_combo_box_new() instead.
*
* Return value:
*/
GtkWidget *
gimp_image_menu_new (GimpConstraintFunc constraint,
GimpMenuCallback callback,
gpointer data,
gint32 active_image)
{
GtkWidget *menu;
gchar *name;
gchar *label;
gint32 *images;
gint32 image = -1;
gint n_images;
gint i, k;
g_return_val_if_fail (callback != NULL, NULL);
menu = gimp_menu_make_menu (callback, data);
images = gimp_image_list (&n_images);
for (i = 0, k = 0; i < n_images; i++)
if (! constraint || (* constraint) (images[i], -1, data))
{
name = gimp_image_get_name (images[i]);
label = g_strdup_printf ("%s-%d", name, images[i]);
g_free (name);
gimp_menu_add_item (menu, label, NULL, images[i]);
g_free (label);
if (images[i] == active_image)
{
image = active_image;
gtk_menu_set_active (GTK_MENU (menu), k);
}
else if (image == -1)
{
image = images[i];
}
k += 1;
}
if (k == 0)
gimp_menu_add_empty (menu);
(* callback) (image, data);
g_free (images);
return menu;
}
/**
* gimp_layer_menu_new:
* @constraint:
* @callback:
* @data:
* @active_layer:
*
* Use gimp_layer_combo_box_new() instead.
*
* Return value:
*/
GtkWidget *
gimp_layer_menu_new (GimpConstraintFunc constraint,
GimpMenuCallback callback,
gpointer data,
gint32 active_layer)
{
GtkWidget *menu;
gchar *image_label;
gint32 *images;
gint32 *layers;
gint32 layer = -1;
gint n_images;
gint n_layers;
gint i, j, k;
g_return_val_if_fail (callback != NULL, NULL);
menu = gimp_menu_make_menu (callback, data);
images = gimp_image_list (&n_images);
for (i = 0, k = 0; i < n_images; i++)
if (! constraint || (* constraint) (images[i], -1, data))
{
gchar *name;
name = gimp_image_get_name (images[i]);
image_label = g_strdup_printf ("%s-%d", name, images[i]);
g_free (name);
layers = gimp_image_get_layers (images[i], &n_layers);
for (j = 0; j < n_layers; j++)
if (! constraint || (* constraint) (images[i], layers[j], data))
{
name = gimp_drawable_get_name (layers[j]);
gimp_menu_add_item (menu, image_label, name, layers[j]);
g_free (name);
if (layers[j] == active_layer)
{
layer = active_layer;
gtk_menu_set_active (GTK_MENU (menu), k);
}
else if (layer == -1)
{
layer = layers[j];
}
k += 1;
}
g_free (image_label);
g_free (layers);
}
g_free (images);
if (k == 0)
gimp_menu_add_empty (menu);
(* callback) (layer, data);
return menu;
}
/**
* gimp_channel_menu_new:
* @constraint:
* @callback:
* @data:
* @active_channel:
*
* Use gimp_channel_combo_box_new() instead.
*
* Return value:
*/
GtkWidget *
gimp_channel_menu_new (GimpConstraintFunc constraint,
GimpMenuCallback callback,
gpointer data,
gint32 active_channel)
{
GtkWidget *menu;
gchar *image_label;
gint32 *images;
gint32 *channels;
gint32 channel;
gint n_images;
gint n_channels;
gint i, j, k;
g_return_val_if_fail (callback != NULL, NULL);
menu = gimp_menu_make_menu (callback, data);
channel = -1;
images = gimp_image_list (&n_images);
for (i = 0, k = 0; i < n_images; i++)
if (! constraint || (* constraint) (images[i], -1, data))
{
gchar *name;
name = gimp_image_get_name (images[i]);
image_label = g_strdup_printf ("%s-%d", name, images[i]);
g_free (name);
channels = gimp_image_get_channels (images[i], &n_channels);
for (j = 0; j < n_channels; j++)
if (! constraint || (* constraint) (images[i], channels[j], data))
{
name = gimp_drawable_get_name (channels[j]);
gimp_menu_add_item (menu, image_label, name, channels[j]);
g_free (name);
if (channels[j] == active_channel)
{
channel = active_channel;
gtk_menu_set_active (GTK_MENU (menu), k);
}
else if (channel == -1)
{
channel = channels[j];
}
k += 1;
}
g_free (image_label);
g_free (channels);
}
g_free (images);
if (k == 0)
gimp_menu_add_empty (menu);
(* callback) (channel, data);
return menu;
}
/**
* gimp_drawable_menu_new:
* @constraint:
* @callback:
* @data:
* @active_drawable:
*
* Use gimp_drawable_combo_box_new() instead.
*
* Return value:
*/
GtkWidget *
gimp_drawable_menu_new (GimpConstraintFunc constraint,
GimpMenuCallback callback,
gpointer data,
gint32 active_drawable)
{
GtkWidget *menu;
gchar *name;
gchar *image_label;
gint32 *images;
gint32 *layers;
gint32 *channels;
gint32 drawable;
gint n_images;
gint n_layers;
gint n_channels;
gint i, j, k;
menu = gimp_menu_make_menu (callback, data);
drawable = -1;
images = gimp_image_list (&n_images);
for (i = 0, k = 0; i < n_images; i++)
if (! constraint || (* constraint) (images[i], -1, data))
{
name = gimp_image_get_name (images[i]);
image_label = g_strdup_printf ("%s-%d", name, images[i]);
g_free (name);
layers = gimp_image_get_layers (images[i], &n_layers);
channels = gimp_image_get_channels (images[i], &n_channels);
for (j = 0; j < n_layers; j++)
if (! constraint || (* constraint) (images[i], layers[j], data))
{
name = gimp_drawable_get_name (layers[j]);
gimp_menu_add_item (menu, image_label, name, layers[j]);
g_free (name);
if (layers[j] == active_drawable)
{
drawable = active_drawable;
gtk_menu_set_active (GTK_MENU (menu), k);
}
else if (drawable == -1)
{
drawable = layers[j];
}
k += 1;
}
for (j = 0; j < n_channels; j++)
if (! constraint || (* constraint) (images[i], channels[j], data))
{
name = gimp_drawable_get_name (channels[j]);
gimp_menu_add_item (menu, image_label, name, channels[j]);
g_free (name);
if (channels[j] == active_drawable)
{
drawable = active_drawable;
gtk_menu_set_active (GTK_MENU (menu), k);
}
else if (drawable == -1)
{
drawable = channels[j];
}
k += 1;
}
g_free (image_label);
g_free (layers);
g_free (channels);
}
g_free (images);
if (k == 0)
gimp_menu_add_empty (menu);
(* callback) (drawable, data);
return menu;
}
/* private functions */
static GtkWidget *
gimp_menu_make_menu (GimpMenuCallback callback,
gpointer data)
{
GtkWidget *menu;
menu = gtk_menu_new ();
g_object_set_data (G_OBJECT (menu), "gimp-menu-callback", callback);
g_object_set_data (G_OBJECT (menu), "gimp-menu-callback-data", data);
return menu;
}
static GtkWidget *
gimp_menu_add_item (GtkWidget *menu,
const gchar *image_name,
const gchar *drawable_name,
gint32 any_ID)
{
GtkWidget *menuitem;
GtkWidget *hbox;
GtkWidget *vbox;
GtkWidget *preview;
GtkWidget *label;
gchar *str;
if (drawable_name)
str = g_strdup_printf ("%s/%s-%d", image_name, drawable_name, any_ID);
else
str = g_strdup (image_name);
menuitem = gtk_menu_item_new ();
gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
gtk_widget_show (menuitem);
g_signal_connect (menuitem, "activate",
G_CALLBACK (gimp_menu_callback),
GINT_TO_POINTER (any_ID));
hbox = gtk_hbox_new (FALSE, 4);
gtk_container_add (GTK_CONTAINER (menuitem), hbox);
gtk_widget_show (hbox);
vbox = gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
gtk_widget_show (vbox);
preview = gimp_menu_make_preview (any_ID, drawable_name == NULL,
MENU_THUMBNAIL_WIDTH,
MENU_THUMBNAIL_HEIGHT);
gtk_container_add (GTK_CONTAINER (vbox), preview);
gtk_widget_show (preview);
label = gtk_label_new (str);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
g_free (str);
return menuitem;
}
static GtkWidget *
gimp_menu_add_empty (GtkWidget *menu)
{
GtkWidget *menuitem;
menuitem = gtk_menu_item_new_with_label (_("(Empty)"));
gtk_widget_set_sensitive (menuitem, FALSE);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
gtk_widget_show (menuitem);
return menuitem;
}
static GtkWidget *
gimp_menu_make_preview (gint32 any_ID,
gboolean is_image,
gint width,
gint height)
{
GtkWidget *image;
GdkPixbuf *pixbuf;
if (is_image)
pixbuf = gimp_image_get_thumbnail (any_ID,
width, height,
GIMP_PIXBUF_SMALL_CHECKS);
else
pixbuf = gimp_drawable_get_thumbnail (any_ID,
width, height,
GIMP_PIXBUF_SMALL_CHECKS);
image = gtk_image_new_from_pixbuf (pixbuf);
g_object_unref (pixbuf);
return image;
}
static void
gimp_menu_callback (GtkWidget *widget,
gpointer any_ID)
{
GimpMenuCallback callback;
gpointer callback_data;
callback = (GimpMenuCallback) g_object_get_data (G_OBJECT (widget->parent),
"gimp-menu-callback");
callback_data = g_object_get_data (G_OBJECT (widget->parent),
"gimp-menu-callback-data");
(* callback) (GPOINTER_TO_INT (any_ID), callback_data);
}
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