mc/gnome/gdnd.h

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/* Drag and Drop functionality for the Midnight Commander
*
* Copyright (C) 1998 The Free Software Foundation
*
* Authors: Federico Mena <federico@nuclecu.unam.mx>
* Miguel de Icaza <miguel@nuclecu.unam.mx>
*/
#ifndef GDND_H
#define GDND_H
#include <gtk/gtk.h>
#include "panel.h"
/* Standard DnD types */
typedef enum {
TARGET_MC_DESKTOP_ICON,
TARGET_URI_LIST,
TARGET_TEXT_PLAIN,
TARGET_URL,
TARGET_NTARGETS
} TargetType;
/* DnD target names */
#define TARGET_MC_DESKTOP_ICON_TYPE "application/x-mc-desktop-icon"
#define TARGET_URI_LIST_TYPE "text/uri-list"
#define TARGET_TEXT_PLAIN_TYPE "text/plain"
#define TARGET_URL_TYPE "_NETSCAPE_URL"
/* Atoms for the DnD types, indexed per the enum above */
extern GdkAtom dnd_target_atoms[];
/* Initializes drag and drop by interning the target convenience atoms */
void gdnd_init (void);
/* Perform a drop on the specified file entry. This function takes care of
* determining how to drop the stuff epending on the type of the file entry.
* Returns TRUE if an action was performed, FALSE otherwise (i.e. invalid drop).
*/
int gdnd_perform_drop (GdkDragContext *context, GtkSelectionData *selection_data,
char *dest_full_name, file_entry *dest_fe);
/* Test whether the specified context has a certain target type */
int gdnd_drag_context_has_target (GdkDragContext *context, TargetType type);
/* Look for a panel that corresponds to the specified drag context */
WPanel *gdnd_find_panel_by_drag_context (GdkDragContext *context, GtkWidget **source_widget);
/* Computes the final drag action based on the suggested actions and the
* specified conditions.
*/
GdkDragAction gdnd_validate_action (GdkDragContext *context,
int on_desktop, int same_process, int same_source,
char *dest_full_name, file_entry *dest_fe, int dest_selected);
#endif