mirror of https://github.com/GNOME/gimp.git
273 lines
9.5 KiB
C
273 lines
9.5 KiB
C
/* GIMP - The GNU 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 3 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, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <gegl.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/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-new.h"
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#include "core/gimpimage-undo.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 "gimpdnd.h"
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#include "gimptoolbox.h"
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#include "gimptoolbox-dnd.h"
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#include "gimpwidgets-utils.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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static void gimp_toolbox_drop_pixbuf (GtkWidget *widget,
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gint x,
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gint y,
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GdkPixbuf *pixbuf,
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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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GtkWidget *vbox)
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{
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GimpContext *context = NULL;
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g_return_if_fail (GIMP_IS_TOOLBOX (toolbox));
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g_return_if_fail (GTK_IS_BOX (vbox));
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context = gimp_toolbox_get_context (toolbox);
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/* Before calling any dnd helper functions, setup the drag
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* destination manually since we want to handle all drag events
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* manually, otherwise we would not be able to give the drag handler
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* a chance to handle drag events
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*/
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gtk_drag_dest_set (vbox,
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0, NULL, 0,
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GDK_ACTION_COPY | GDK_ACTION_MOVE);
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gimp_dnd_viewable_dest_add (vbox,
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GIMP_TYPE_LAYER,
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gimp_toolbox_drop_drawable,
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context);
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gimp_dnd_viewable_dest_add (vbox,
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GIMP_TYPE_LAYER_MASK,
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gimp_toolbox_drop_drawable,
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context);
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gimp_dnd_viewable_dest_add (vbox,
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GIMP_TYPE_CHANNEL,
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gimp_toolbox_drop_drawable,
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context);
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gimp_dnd_viewable_dest_add (vbox,
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GIMP_TYPE_TOOL_INFO,
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gimp_toolbox_drop_tool,
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context);
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gimp_dnd_viewable_dest_add (vbox,
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GIMP_TYPE_BUFFER,
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gimp_toolbox_drop_buffer,
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context);
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gimp_dnd_component_dest_add (vbox,
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gimp_toolbox_drop_component,
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context);
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gimp_dnd_uri_list_dest_add (vbox,
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gimp_toolbox_drop_uri_list,
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context);
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gimp_dnd_pixbuf_dest_add (vbox,
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gimp_toolbox_drop_pixbuf,
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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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if (context->gimp->busy)
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return;
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for (list = uri_list; list; list = g_list_next (list))
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{
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GFile *file = g_file_new_for_uri (list->data);
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GimpImage *image;
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GimpPDBStatusType status;
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GError *error = NULL;
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image = file_open_with_display (context->gimp, context, NULL,
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file, FALSE,
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G_OBJECT (gimp_widget_get_monitor (widget)),
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&status, &error);
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if (! image && status != GIMP_PDB_CANCEL)
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{
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gimp_message (context->gimp, G_OBJECT (widget), GIMP_MESSAGE_ERROR,
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_("Opening '%s' failed:\n\n%s"),
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gimp_file_get_utf8_name (file), error->message);
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g_clear_error (&error);
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}
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g_object_unref (file);
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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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GimpContext *context = GIMP_CONTEXT (data);
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GimpImage *new_image;
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if (context->gimp->busy)
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return;
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new_image = gimp_image_new_from_drawable (context->gimp,
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GIMP_DRAWABLE (viewable));
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gimp_create_display (context->gimp, new_image, GIMP_UNIT_PIXEL, 1.0,
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G_OBJECT (gimp_widget_get_monitor (widget)));
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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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if (context->gimp->busy)
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return;
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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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GimpImage *image;
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if (context->gimp->busy)
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return;
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image = gimp_image_new_from_buffer (context->gimp,
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GIMP_BUFFER (viewable));
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gimp_create_display (image->gimp, image, GIMP_UNIT_PIXEL, 1.0,
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G_OBJECT (gimp_widget_get_monitor (widget)));
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g_object_unref (image);
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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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GimpContext *context = GIMP_CONTEXT (data);
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GimpImage *new_image;
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if (context->gimp->busy)
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return;
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new_image = gimp_image_new_from_component (context->gimp,
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image, component);
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gimp_create_display (new_image->gimp, new_image, GIMP_UNIT_PIXEL, 1.0,
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G_OBJECT (gimp_widget_get_monitor (widget)));
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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_pixbuf (GtkWidget *widget,
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gint x,
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gint y,
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GdkPixbuf *pixbuf,
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gpointer data)
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{
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GimpContext *context = GIMP_CONTEXT (data);
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GimpImage *new_image;
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if (context->gimp->busy)
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return;
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new_image = gimp_image_new_from_pixbuf (context->gimp, pixbuf,
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_("Dropped Buffer"));
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gimp_create_display (new_image->gimp, new_image, GIMP_UNIT_PIXEL, 1.0,
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G_OBJECT (gimp_widget_get_monitor (widget)));
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g_object_unref (new_image);
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}
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