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

1 files changed, 200 insertions, 0 deletions

diff --git a/libcaja-private/caja-dnd.h b/libcaja-private/caja-dnd.h
new file mode 100644
index 00000000..1861c404
--- /dev/null
+++ b/libcaja-private/caja-dnd.h
@@ -0,0 +1,200 @@
+/* -*- 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