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+
+/* nautilus-dnd.h - Common Drag & drop handling code shared by the icon container
+ and the list view.
+
+ Copyright (C) 2000 Eazel, Inc.
+
+ The Gnome Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The Gnome 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 Library General Public
+ License along with the Gnome Library; see the file COPYING.LIB. If not,
+ see <http://www.gnu.org/licenses/>.
+
+ Authors: Pavel Cisler <pavel@eazel.com>,
+ Ettore Perazzoli <ettore@gnu.org>
+*/
+
+#pragma once
+
+#include <gtk/gtk.h>
+#include "nautilus-file.h"
+
+/* Drag & Drop target names. */
+#define NAUTILUS_ICON_DND_GNOME_ICON_LIST_TYPE "x-special/gnome-icon-list"
+#define NAUTILUS_ICON_DND_URI_LIST_TYPE "text/uri-list"
+#define NAUTILUS_ICON_DND_NETSCAPE_URL_TYPE "_NETSCAPE_URL"
+#define NAUTILUS_ICON_DND_ROOTWINDOW_DROP_TYPE "application/x-rootwindow-drop"
+#define NAUTILUS_ICON_DND_XDNDDIRECTSAVE_TYPE "XdndDirectSave0" /* XDS Protocol Type */
+#define NAUTILUS_ICON_DND_RAW_TYPE "application/octet-stream"
+
+/* drag&drop-related information. */
+typedef struct {
+ GtkTargetList *target_list;
+
+ /* Stuff saved at "receive data" time needed later in the drag. */
+ gboolean got_drop_data_type;
+ NautilusIconDndTargetType data_type;
+ GtkSelectionData *selection_data;
+ char *direct_save_uri;
+
+ /* Start of the drag, in window coordinates. */
+ int start_x, start_y;
+
+ /* List of NautilusDragSelectionItems, representing items being dragged, or NULL
+ * if data about them has not been received from the source yet.
+ */
+ GList *selection_list;
+
+ /* cache of selected URIs, representing items being dragged */
+ GList *selection_cache;
+
+ /* File selection list information request handler, for the call for
+ * information (mostly the file system info, in order to know if we want
+ * co copy or move the files) about the files being dragged, that can
+ * come from another nautilus process, like the desktop. */
+ NautilusFileListHandle *file_list_info_handler;
+
+ /* has the drop occurred ? */
+ gboolean drop_occurred;
+
+ /* whether or not need to clean up the previous dnd data */
+ gboolean need_to_destroy;
+
+ /* autoscrolling during dragging */
+ int auto_scroll_timeout_id;
+ gboolean waiting_to_autoscroll;
+ gint64 start_auto_scroll_in;
+
+ /* source context actions. Used for peek the actions using a GdkDragContext
+ * source at drag-begin time when they are not available yet (they become
+ * available at drag-motion time) */
+ guint32 source_actions;
+
+} NautilusDragInfo;
+
+typedef void (* NautilusDragEachSelectedItemDataGet) (const char *url,
+ int x, int y, int w, int h,
+ gpointer data);
+typedef void (* NautilusDragEachSelectedItemIterator) (NautilusDragEachSelectedItemDataGet iteratee,
+ gpointer iterator_context,
+ gpointer data);
+
+void nautilus_drag_init (NautilusDragInfo *drag_info,
+ const GtkTargetEntry *drag_types,
+ int drag_type_count,
+ gboolean add_text_targets);
+void nautilus_drag_finalize (NautilusDragInfo *drag_info);
+NautilusDragSelectionItem *nautilus_drag_selection_item_new (void);
+void nautilus_drag_destroy_selection_list (GList *selection_list);
+GList *nautilus_drag_build_selection_list (GtkSelectionData *data);
+
+GList * nautilus_drag_uri_list_from_selection_list (const GList *selection_list);
+
+GList * nautilus_drag_uri_list_from_array (const char **uris);
+
+gboolean nautilus_drag_items_local (const char *target_uri,
+ const GList *selection_list);
+gboolean nautilus_drag_uris_local (const char *target_uri,
+ const GList *source_uri_list);
+void nautilus_drag_default_drop_action_for_icons (GdkDragContext *context,
+ const char *target_uri,
+ const GList *items,
+ guint32 source_actions,
+ int *action);
+GdkDragAction nautilus_drag_default_drop_action_for_netscape_url (GdkDragContext *context);
+GdkDragAction nautilus_drag_default_drop_action_for_uri_list (GdkDragContext *context,
+ const char *target_uri_string);
+GList *nautilus_drag_create_selection_cache (gpointer container_context,
+ NautilusDragEachSelectedItemIterator each_selected_item_iterator);
+gboolean nautilus_drag_drag_data_get_from_cache (GList *cache,
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint32 time);
+int nautilus_drag_modifier_based_action (int default_action,
+ int non_default_action);
+
+GdkDragAction nautilus_drag_drop_action_ask (GtkWidget *widget,
+ GdkDragAction possible_actions);
+
+gboolean nautilus_drag_autoscroll_in_scroll_region (GtkWidget *widget);
+void nautilus_drag_autoscroll_calculate_delta (GtkWidget *widget,
+ float *x_scroll_delta,
+ float *y_scroll_delta);
+void nautilus_drag_autoscroll_start (NautilusDragInfo *drag_info,
+ GtkWidget *widget,
+ GSourceFunc callback,
+ gpointer user_data);
+void nautilus_drag_autoscroll_stop (NautilusDragInfo *drag_info);
+
+NautilusDragInfo * nautilus_drag_get_source_data (GdkDragContext *context);
+
+GList * nautilus_drag_file_list_from_selection_list (const GList *selection_list);