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/* GDK - The GIMP Drawing Kit
* Copyright (C) 2010, Red Hat, Inc
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GDK_DND_PRIVATE_H__
#define __GDK_DND_PRIVATE_H__
#include "gdkdnd.h"
G_BEGIN_DECLS
/*
* GdkDragProtocol:
* @GDK_DRAG_PROTO_NONE: no protocol.
* @GDK_DRAG_PROTO_MOTIF: The Motif DND protocol. No longer supported
* @GDK_DRAG_PROTO_XDND: The Xdnd protocol.
* @GDK_DRAG_PROTO_ROOTWIN: An extension to the Xdnd protocol for
* unclaimed root window drops.
* @GDK_DRAG_PROTO_WIN32_DROPFILES: The simple WM_DROPFILES protocol.
* @GDK_DRAG_PROTO_OLE2: The complex OLE2 DND protocol (not implemented).
* @GDK_DRAG_PROTO_LOCAL: Intra-application DND.
* @GDK_DRAG_PROTO_WAYLAND: Wayland DND protocol.
*
* Used in #GdkDragContext to indicate the protocol according to
* which DND is done.
*/
typedef enum
{
GDK_DRAG_PROTO_NONE = 0,
GDK_DRAG_PROTO_MOTIF,
GDK_DRAG_PROTO_XDND,
GDK_DRAG_PROTO_ROOTWIN,
GDK_DRAG_PROTO_WIN32_DROPFILES,
GDK_DRAG_PROTO_OLE2,
GDK_DRAG_PROTO_LOCAL,
GDK_DRAG_PROTO_WAYLAND
} GdkDragProtocol;
#define GDK_DRAG_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DRAG_CONTEXT, GdkDragContextClass))
#define GDK_IS_DRAG_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DRAG_CONTEXT))
#define GDK_DRAG_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DRAG_CONTEXT, GdkDragContextClass))
typedef struct _GdkDragContextClass GdkDragContextClass;
struct _GdkDragContextClass {
GObjectClass parent_class;
GdkWindow * (*find_window) (GdkDragContext *context,
GdkWindow *drag_window,
gint x_root,
gint y_root,
GdkDragProtocol *protocol);
gboolean (*drag_motion) (GdkDragContext *context,
GdkWindow *dest_window,
GdkDragProtocol protocol,
gint root_x,
gint root_y,
GdkDragAction suggested_action,
GdkDragAction possible_actions,
guint32 time_);
void (*drag_status) (GdkDragContext *context,
GdkDragAction action,
guint32 time_);
void (*drag_abort) (GdkDragContext *context,
guint32 time_);
void (*drag_drop) (GdkDragContext *context,
guint32 time_);
void (*drop_reply) (GdkDragContext *context,
gboolean accept,
guint32 time_);
void (*drop_finish) (GdkDragContext *context,
gboolean success,
guint32 time_);
void (* read_async) (GdkDragContext *context,
GdkContentFormats *formats,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GInputStream * (* read_finish) (GdkDragContext *context,
const char **out_mime_type,
GAsyncResult *result,
GError **error);
gboolean (*drop_status) (GdkDragContext *context);
GdkWindow* (*get_drag_window) (GdkDragContext *context);
void (*set_hotspot) (GdkDragContext *context,
gint hot_x,
gint hot_y);
void (*drop_done) (GdkDragContext *context,
gboolean success);
void (*set_cursor) (GdkDragContext *context,
GdkCursor *cursor);
void (*cancel) (GdkDragContext *context,
GdkDragCancelReason reason);
void (*drop_performed) (GdkDragContext *context,
guint32 time);
void (*dnd_finished) (GdkDragContext *context);
gboolean (*handle_event) (GdkDragContext *context,
const GdkEvent *event);
void (*action_changed) (GdkDragContext *context,
GdkDragAction action);
void (*commit_drag_status) (GdkDragContext *context);
};
struct _GdkDragContext {
GObject parent_instance;
/*< private >*/
GdkDragProtocol protocol;
GdkDisplay *display;
gboolean is_source;
GdkWindow *source_window;
GdkWindow *dest_window;
GdkWindow *drag_window;
GdkContentProvider *content;
GdkContentFormats *formats;
GdkDragAction actions;
GdkDragAction suggested_action;
GdkDragAction action;
guint32 start_time;
GdkDevice *device;
guint drop_done : 1; /* Whether gdk_drag_drop_done() was performed */
};
void gdk_drag_context_set_device (GdkDragContext *context,
GdkDevice *device);
void gdk_drag_context_set_cursor (GdkDragContext *context,
GdkCursor *cursor);
void gdk_drag_context_cancel (GdkDragContext *context,
GdkDragCancelReason reason);
gboolean gdk_drag_context_handle_source_event (GdkEvent *event);
gboolean gdk_drag_context_handle_dest_event (GdkEvent *event);
GdkCursor * gdk_drag_get_cursor (GdkDragContext *context,
GdkDragAction action);
gboolean gdk_drag_motion (GdkDragContext *context,
GdkWindow *dest_window,
GdkDragProtocol protocol,
gint x_root,
gint y_root,
GdkDragAction suggested_action,
GdkDragAction possible_actions,
guint32 time_);
void gdk_drag_abort (GdkDragContext *context,
guint32 time_);
void gdk_drag_drop (GdkDragContext *context,
guint32 time_);
void gdk_drag_find_window (GdkDragContext *context,
GdkWindow *drag_window,
gint x_root,
gint y_root,
GdkWindow **dest_window,
GdkDragProtocol *protocol);
void gdk_drag_context_write_async (GdkDragContext *context,
const char *mime_type,
GOutputStream *stream,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean gdk_drag_context_write_finish (GdkDragContext *context,
GAsyncResult *result,
GError **error);
G_END_DECLS
#endif
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