gimp/app/widgets/gimptoolbox-dnd.c

183 lines
5.6 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimpbuffer.h"
#include "core/gimpcontext.h"
#include "core/gimpedit.h"
#include "core/gimpimage.h"
#include "core/gimpimage-colormap.h"
#include "core/gimplayer.h"
#include "core/gimplayermask.h"
#include "core/gimptoolinfo.h"
#include "gimpdnd.h"
#include "gimptoolbox.h"
#include "gimptoolbox-dnd.h"
/* local function prototypes */
static void gimp_toolbox_drop_drawable (GtkWidget *widget,
GimpViewable *viewable,
gpointer data);
static void gimp_toolbox_drop_tool (GtkWidget *widget,
GimpViewable *viewable,
gpointer data);
static void gimp_toolbox_drop_buffer (GtkWidget *widget,
GimpViewable *viewable,
gpointer data);
/* public functions */
void
gimp_toolbox_dnd_init (GimpToolbox *toolbox)
{
GimpDock *dock;
g_return_if_fail (GIMP_IS_TOOLBOX (toolbox));
dock = GIMP_DOCK (toolbox);
gimp_dnd_file_dest_add (GTK_WIDGET (toolbox), gimp_dnd_open_files, NULL);
gimp_dnd_file_dest_add (toolbox->wbox, gimp_dnd_open_files, NULL);
gimp_dnd_viewable_dest_add (toolbox->wbox, GIMP_TYPE_LAYER,
gimp_toolbox_drop_drawable,
dock->context);
gimp_dnd_viewable_dest_add (toolbox->wbox, GIMP_TYPE_LAYER_MASK,
gimp_toolbox_drop_drawable,
dock->context);
gimp_dnd_viewable_dest_add (toolbox->wbox, GIMP_TYPE_CHANNEL,
gimp_toolbox_drop_drawable,
dock->context);
gimp_dnd_viewable_dest_add (toolbox->wbox, GIMP_TYPE_TOOL_INFO,
gimp_toolbox_drop_tool,
dock->context);
gimp_dnd_viewable_dest_add (toolbox->wbox, GIMP_TYPE_BUFFER,
gimp_toolbox_drop_buffer,
dock->context);
}
/* private functions */
static void
gimp_toolbox_drop_drawable (GtkWidget *widget,
GimpViewable *viewable,
gpointer data)
{
GimpDrawable *drawable;
GimpItem *item;
GimpImage *gimage;
GimpImage *new_gimage;
GimpLayer *new_layer;
gint width, height;
gint off_x, off_y;
gint bytes;
GimpImageBaseType type;
drawable = GIMP_DRAWABLE (viewable);
item = GIMP_ITEM (viewable);
gimage = gimp_item_get_image (item);
width = gimp_item_width (item);
height = gimp_item_height (item);
bytes = gimp_drawable_bytes (drawable);
type = GIMP_IMAGE_TYPE_BASE_TYPE (gimp_drawable_type (drawable));
new_gimage = gimp_create_image (gimage->gimp,
width, height,
type,
FALSE);
gimp_image_undo_disable (new_gimage);
if (type == GIMP_INDEXED) /* copy the colormap */
gimp_image_set_colormap (new_gimage,
gimp_image_get_colormap (gimage),
gimp_image_get_colormap_size (gimage),
FALSE);
gimp_image_set_resolution (new_gimage,
gimage->xresolution, gimage->yresolution);
gimp_image_set_unit (new_gimage, gimage->unit);
if (GIMP_IS_LAYER (drawable))
{
new_layer = GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (drawable),
G_TYPE_FROM_INSTANCE (drawable),
FALSE));
}
else
{
new_layer = GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (drawable),
GIMP_TYPE_LAYER,
TRUE));
}
gimp_item_set_image (GIMP_ITEM (new_layer), new_gimage);
gimp_object_set_name (GIMP_OBJECT (new_layer),
gimp_object_get_name (GIMP_OBJECT (drawable)));
gimp_item_offsets (GIMP_ITEM (new_layer), &off_x, &off_y);
gimp_item_translate (GIMP_ITEM (new_layer), -off_x, -off_y, FALSE);
gimp_image_add_layer (new_gimage, new_layer, 0);
gimp_image_undo_enable (new_gimage);
gimp_create_display (gimage->gimp, new_gimage, 0x0101);
g_object_unref (new_gimage);
}
static void
gimp_toolbox_drop_tool (GtkWidget *widget,
GimpViewable *viewable,
gpointer data)
{
GimpContext *context = GIMP_CONTEXT (data);
gimp_context_set_tool (context, GIMP_TOOL_INFO (viewable));
}
static void
gimp_toolbox_drop_buffer (GtkWidget *widget,
GimpViewable *viewable,
gpointer data)
{
GimpContext *context = GIMP_CONTEXT (data);
if (context->gimp->busy)
return;
gimp_edit_paste_as_new (context->gimp, NULL, GIMP_BUFFER (viewable));
}