mirror of https://github.com/GNOME/gimp.git
291 lines
9.6 KiB
C
291 lines
9.6 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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* 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 <string.h>
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#include <gtk/gtk.h>
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#include "libgimpbase/gimpbase.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "widgets-types.h"
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#include "core/gimp.h"
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#include "core/gimp-edit.h"
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#include "core/gimpbuffer.h"
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#include "core/gimpcontext.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-colormap.h"
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#include "core/gimplayer.h"
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#include "core/gimplayermask.h"
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#include "core/gimptoolinfo.h"
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#include "file/file-open.h"
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#include "file/file-utils.h"
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#include "gimpdnd.h"
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#include "gimptoolbox.h"
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#include "gimptoolbox-dnd.h"
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#include "gimp-intl.h"
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/* local function prototypes */
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static void gimp_toolbox_drop_uri_list (GtkWidget *widget,
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gint x,
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gint y,
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GList *uri_list,
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gpointer data);
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static void gimp_toolbox_drop_drawable (GtkWidget *widget,
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gint x,
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gint y,
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GimpViewable *viewable,
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gpointer data);
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static void gimp_toolbox_drop_tool (GtkWidget *widget,
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gint x,
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gint y,
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GimpViewable *viewable,
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gpointer data);
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static void gimp_toolbox_drop_buffer (GtkWidget *widget,
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gint x,
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gint y,
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GimpViewable *viewable,
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gpointer data);
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static void gimp_toolbox_drop_component (GtkWidget *widget,
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gint x,
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gint y,
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GimpImage *image,
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GimpChannelType component,
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gpointer data);
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/* public functions */
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void
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gimp_toolbox_dnd_init (GimpToolbox *toolbox)
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{
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GimpDock *dock;
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g_return_if_fail (GIMP_IS_TOOLBOX (toolbox));
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dock = GIMP_DOCK (toolbox);
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gimp_dnd_uri_list_dest_add (GTK_WIDGET (toolbox),
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gimp_toolbox_drop_uri_list,
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dock->context);
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gimp_dnd_uri_list_dest_add (toolbox->tool_wbox,
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gimp_toolbox_drop_uri_list,
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dock->context);
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gimp_dnd_viewable_dest_add (toolbox->tool_wbox, GIMP_TYPE_LAYER,
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gimp_toolbox_drop_drawable,
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dock->context);
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gimp_dnd_viewable_dest_add (toolbox->tool_wbox, GIMP_TYPE_LAYER_MASK,
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gimp_toolbox_drop_drawable,
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dock->context);
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gimp_dnd_viewable_dest_add (toolbox->tool_wbox, GIMP_TYPE_CHANNEL,
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gimp_toolbox_drop_drawable,
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dock->context);
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gimp_dnd_viewable_dest_add (toolbox->tool_wbox, GIMP_TYPE_TOOL_INFO,
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gimp_toolbox_drop_tool,
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dock->context);
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gimp_dnd_viewable_dest_add (toolbox->tool_wbox, GIMP_TYPE_BUFFER,
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gimp_toolbox_drop_buffer,
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dock->context);
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gimp_dnd_component_dest_add (toolbox->tool_wbox,
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gimp_toolbox_drop_component,
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dock->context);
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}
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/* private functions */
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static void
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gimp_toolbox_drop_uri_list (GtkWidget *widget,
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gint x,
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gint y,
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GList *uri_list,
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gpointer data)
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{
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GimpContext *context = GIMP_CONTEXT (data);
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GList *list;
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for (list = uri_list; list; list = g_list_next (list))
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{
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const gchar *uri = list->data;
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GimpImage *gimage;
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GimpPDBStatusType status;
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GError *error = NULL;
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gimage = file_open_with_display (context->gimp, context, NULL,
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uri, &status, &error);
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if (! gimage && status != GIMP_PDB_CANCEL)
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{
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gchar *filename = file_utils_uri_to_utf8_filename (uri);
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g_message (_("Opening '%s' failed:\n\n%s"),
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filename, error->message);
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g_clear_error (&error);
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g_free (filename);
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}
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}
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}
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static void
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gimp_toolbox_drop_drawable (GtkWidget *widget,
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gint x,
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gint y,
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GimpViewable *viewable,
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gpointer data)
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{
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GimpDrawable *drawable;
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GimpItem *item;
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GimpImage *gimage;
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GimpImage *new_image;
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GimpLayer *new_layer;
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GType new_type;
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gint width, height;
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gint off_x, off_y;
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gint bytes;
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GimpImageBaseType type;
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drawable = GIMP_DRAWABLE (viewable);
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item = GIMP_ITEM (viewable);
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gimage = gimp_item_get_image (item);
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width = gimp_item_width (item);
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height = gimp_item_height (item);
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bytes = gimp_drawable_bytes (drawable);
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type = GIMP_IMAGE_TYPE_BASE_TYPE (gimp_drawable_type (drawable));
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new_image = gimp_create_image (gimage->gimp, width, height, type, FALSE);
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gimp_image_undo_disable (new_image);
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if (type == GIMP_INDEXED)
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gimp_image_set_colormap (new_image,
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gimp_image_get_colormap (gimage),
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gimp_image_get_colormap_size (gimage),
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FALSE);
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gimp_image_set_resolution (new_image,
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gimage->xresolution, gimage->yresolution);
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gimp_image_set_unit (new_image,
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gimp_image_get_unit (gimage));
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if (GIMP_IS_LAYER (drawable))
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new_type = G_TYPE_FROM_INSTANCE (drawable);
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else
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new_type = GIMP_TYPE_LAYER;
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new_layer = GIMP_LAYER (gimp_item_convert (GIMP_ITEM (drawable), new_image,
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new_type, FALSE));
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gimp_object_set_name (GIMP_OBJECT (new_layer),
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gimp_object_get_name (GIMP_OBJECT (drawable)));
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gimp_item_offsets (GIMP_ITEM (new_layer), &off_x, &off_y);
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gimp_item_translate (GIMP_ITEM (new_layer), -off_x, -off_y, FALSE);
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gimp_image_add_layer (new_image, new_layer, 0);
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gimp_image_undo_enable (new_image);
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gimp_create_display (gimage->gimp, new_image, GIMP_UNIT_PIXEL, 1.0);
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g_object_unref (new_image);
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}
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static void
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gimp_toolbox_drop_tool (GtkWidget *widget,
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gint x,
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gint y,
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GimpViewable *viewable,
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gpointer data)
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{
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GimpContext *context = GIMP_CONTEXT (data);
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gimp_context_set_tool (context, GIMP_TOOL_INFO (viewable));
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}
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static void
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gimp_toolbox_drop_buffer (GtkWidget *widget,
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gint x,
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gint y,
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GimpViewable *viewable,
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gpointer data)
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{
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GimpContext *context = GIMP_CONTEXT (data);
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if (context->gimp->busy)
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return;
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gimp_edit_paste_as_new (context->gimp, NULL, GIMP_BUFFER (viewable));
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}
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static void
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gimp_toolbox_drop_component (GtkWidget *widget,
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gint x,
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gint y,
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GimpImage *image,
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GimpChannelType component,
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gpointer data)
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{
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GimpChannel *channel;
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GimpImage *new_image;
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GimpLayer *new_layer;
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const gchar *desc;
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gchar *name;
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new_image = gimp_create_image (image->gimp,
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gimp_image_get_width (image),
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gimp_image_get_height (image),
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GIMP_GRAY, FALSE);
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gimp_image_undo_disable (new_image);
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gimp_image_set_resolution (new_image,
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image->xresolution, image->yresolution);
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gimp_image_set_unit (new_image, gimp_image_get_unit (image));
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channel = gimp_channel_new_from_component (image, component, NULL, NULL);
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new_layer = GIMP_LAYER (gimp_item_convert (GIMP_ITEM (channel), new_image,
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GIMP_TYPE_LAYER, FALSE));
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g_object_unref (channel);
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gimp_enum_get_value (GIMP_TYPE_CHANNEL_TYPE, component,
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NULL, NULL, &desc, NULL);
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name = g_strdup_printf (_("%s Channel Copy"), desc);
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gimp_object_set_name (GIMP_OBJECT (new_layer), name);
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g_free (name);
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gimp_image_add_layer (new_image, new_layer, 0);
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gimp_image_undo_enable (new_image);
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gimp_create_display (new_image->gimp, new_image, GIMP_UNIT_PIXEL, 1.0);
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g_object_unref (new_image);
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}
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