moving from https://github.com/perberos/mate-desktop-environment

author: Perberos <[email protected]> 2011-12-01 22:24:23 -0300
committer: Perberos <[email protected]> 2011-12-01 22:24:23 -0300
commit: 0e004c696b0e68b2cff37a4c3315b022a35eaf43 (patch)
tree: 43261e815529cb9518ed7be37af13b846af8b26b /libcaja-private/caja-dnd.h
download: caja-0e004c696b0e68b2cff37a4c3315b022a35eaf43.tar.bz2
caja-0e004c696b0e68b2cff37a4c3315b022a35eaf43.tar.xz
1 files changed, 200 insertions, 0 deletions
diff --git a/libcaja-private/caja-dnd.h b/libcaja-private/caja-dnd.h
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+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+
+/* caja-dnd.h - Common Drag & drop handling code shared by the icon container
+ and the list view.
+
+ Copyright (C) 2000 Eazel, Inc.
+
+ The Mate 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 Mate 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 Mate Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ Authors: Pavel Cisler <[email protected]>,
+ Ettore Perazzoli <[email protected]>
+*/
+
+#ifndef CAJA_DND_H
+#define CAJA_DND_H
+
+#include <gtk/gtk.h>
+#include <libcaja-private/caja-window-slot-info.h>
+
+/* Drag & Drop target names. */
+#define CAJA_ICON_DND_MATE_ICON_LIST_TYPE "x-special/mate-icon-list"
+#define CAJA_ICON_DND_URI_LIST_TYPE "text/uri-list"
+#define CAJA_ICON_DND_NETSCAPE_URL_TYPE "_NETSCAPE_URL"
+#define CAJA_ICON_DND_COLOR_TYPE "application/x-color"
+#define CAJA_ICON_DND_BGIMAGE_TYPE "property/bgimage"
+#define CAJA_ICON_DND_KEYWORD_TYPE "property/keyword"
+#define CAJA_ICON_DND_RESET_BACKGROUND_TYPE "x-special/mate-reset-background"
+#define CAJA_ICON_DND_ROOTWINDOW_DROP_TYPE "application/x-rootwindow-drop"
+#define CAJA_ICON_DND_XDNDDIRECTSAVE_TYPE "XdndDirectSave0" /* XDS Protocol Type */
+#define CAJA_ICON_DND_RAW_TYPE "application/octet-stream"
+
+/* Item of the drag selection list */
+typedef struct
+{
+ char *uri;
+ gboolean got_icon_position;
+ int icon_x, icon_y;
+ int icon_width, icon_height;
+} CajaDragSelectionItem;
+
+/* Standard Drag & Drop types. */
+typedef enum
+{
+ CAJA_ICON_DND_MATE_ICON_LIST,
+ CAJA_ICON_DND_URI_LIST,
+ CAJA_ICON_DND_NETSCAPE_URL,
+ CAJA_ICON_DND_COLOR,
+ CAJA_ICON_DND_BGIMAGE,
+ CAJA_ICON_DND_KEYWORD,
+ CAJA_ICON_DND_TEXT,
+ CAJA_ICON_DND_RESET_BACKGROUND,
+ CAJA_ICON_DND_XDNDDIRECTSAVE,
+ CAJA_ICON_DND_RAW,
+ CAJA_ICON_DND_ROOTWINDOW_DROP
+} CajaIconDndTargetType;
+
+typedef enum
+{
+ CAJA_DND_ACTION_FIRST = GDK_ACTION_ASK << 1,
+ CAJA_DND_ACTION_SET_AS_BACKGROUND = CAJA_DND_ACTION_FIRST << 0,
+ CAJA_DND_ACTION_SET_AS_FOLDER_BACKGROUND = CAJA_DND_ACTION_FIRST << 1,
+ CAJA_DND_ACTION_SET_AS_GLOBAL_BACKGROUND = CAJA_DND_ACTION_FIRST << 2
+} CajaDndAction;
+
+/* 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;
+ CajaIconDndTargetType data_type;
+ GtkSelectionData *selection_data;
+ char *direct_save_uri;
+
+ /* Start of the drag, in window coordinates. */
+ int start_x, start_y;
+
+ /* List of CajaDragSelectionItems, representing items being dragged, or NULL
+ * if data about them has not been received from the source yet.
+ */
+ GList *selection_list;
+
+ /* has the drop occured ? */
+ gboolean drop_occured;
+
+ /* 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;
+
+} CajaDragInfo;
+
+typedef struct
+{
+ /* NB: the following elements are managed by us */
+ gboolean have_data;
+ gboolean have_valid_data;
+
+ gboolean drop_occured;
+
+ unsigned int info;
+ union
+ {
+ GList *selection_list;
+ GList *uri_list;
+ char *netscape_url;
+ } data;
+
+ /* NB: the following elements are managed by the caller of
+ * caja_drag_slot_proxy_init() */
+
+ /* a fixed location, or NULL to use slot's location */
+ GFile *target_location;
+ /* a fixed slot, or NULL to use the window's active slot */
+ CajaWindowSlotInfo *target_slot;
+} CajaDragSlotProxyInfo;
+
+typedef void (* CajaDragEachSelectedItemDataGet) (const char *url,
+ int x, int y, int w, int h,
+ gpointer data);
+typedef void (* CajaDragEachSelectedItemIterator) (CajaDragEachSelectedItemDataGet iteratee,
+ gpointer iterator_context,
+ gpointer data);
+
+void caja_drag_init (CajaDragInfo *drag_info,
+ const GtkTargetEntry *drag_types,
+ int drag_type_count,
+ gboolean add_text_targets);
+void caja_drag_finalize (CajaDragInfo *drag_info);
+CajaDragSelectionItem *caja_drag_selection_item_new (void);
+void caja_drag_destroy_selection_list (GList *selection_list);
+GList *caja_drag_build_selection_list (GtkSelectionData *data);
+
+char ** caja_drag_uri_array_from_selection_list (const GList *selection_list);
+GList * caja_drag_uri_list_from_selection_list (const GList *selection_list);
+
+char ** caja_drag_uri_array_from_list (const GList *uri_list);
+GList * caja_drag_uri_list_from_array (const char **uris);
+
+gboolean caja_drag_items_local (const char *target_uri,
+ const GList *selection_list);
+gboolean caja_drag_uris_local (const char *target_uri,
+ const GList *source_uri_list);
+gboolean caja_drag_items_in_trash (const GList *selection_list);
+gboolean caja_drag_items_on_desktop (const GList *selection_list);
+void caja_drag_default_drop_action_for_icons (GdkDragContext *context,
+ const char *target_uri,
+ const GList *items,
+ int *action);
+GdkDragAction caja_drag_default_drop_action_for_netscape_url (GdkDragContext *context);
+GdkDragAction caja_drag_default_drop_action_for_uri_list (GdkDragContext *context,
+ const char *target_uri_string);
+gboolean caja_drag_drag_data_get (GtkWidget *widget,
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint32 time,
+ gpointer container_context,
+ CajaDragEachSelectedItemIterator each_selected_item_iterator);
+int caja_drag_modifier_based_action (int default_action,
+ int non_default_action);
+
+GdkDragAction caja_drag_drop_action_ask (GtkWidget *widget,
+ GdkDragAction possible_actions);
+GdkDragAction caja_drag_drop_background_ask (GtkWidget *widget,
+ GdkDragAction possible_actions);
+
+gboolean caja_drag_autoscroll_in_scroll_region (GtkWidget *widget);
+void caja_drag_autoscroll_calculate_delta (GtkWidget *widget,
+ float *x_scroll_delta,
+ float *y_scroll_delta);
+void caja_drag_autoscroll_start (CajaDragInfo *drag_info,
+ GtkWidget *widget,
+ GtkFunction callback,
+ gpointer user_data);
+void caja_drag_autoscroll_stop (CajaDragInfo *drag_info);
+
+gboolean caja_drag_selection_includes_special_link (GList *selection_list);
+
+void caja_drag_slot_proxy_init (GtkWidget *widget,
+ CajaDragSlotProxyInfo *drag_info);
+
+#endif
author	Perberos <[email protected]>	2011-12-01 22:24:23 -0300
committer	Perberos <[email protected]>	2011-12-01 22:24:23 -0300
commit	0e004c696b0e68b2cff37a4c3315b022a35eaf43 (patch)
tree	43261e815529cb9518ed7be37af13b846af8b26b /libcaja-private/caja-dnd.h
download	caja-0e004c696b0e68b2cff37a4c3315b022a35eaf43.tar.bz2 caja-0e004c696b0e68b2cff37a4c3315b022a35eaf43.tar.xz