gtk2/gdk/gdkdnd.h
Matthias Clasen f4ebdb64ee gdk: Add api to set drag window hotspot
With GdkDragContext now being in charge of placing the window,
it needs to know about the hotspot to place under the cursor.
2015-12-07 21:52:03 -05:00

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* 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/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __GDK_DND_H__
#define __GDK_DND_H__
#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif
#include <gdk/gdktypes.h>
#include <gdk/gdkdevice.h>
G_BEGIN_DECLS
#define GDK_TYPE_DRAG_CONTEXT (gdk_drag_context_get_type ())
#define GDK_DRAG_CONTEXT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_DRAG_CONTEXT, GdkDragContext))
#define GDK_IS_DRAG_CONTEXT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_DRAG_CONTEXT))
/**
* GdkDragAction:
* @GDK_ACTION_DEFAULT: Means nothing, and should not be used.
* @GDK_ACTION_COPY: Copy the data.
* @GDK_ACTION_MOVE: Move the data, i.e. first copy it, then delete
* it from the source using the DELETE target of the X selection protocol.
* @GDK_ACTION_LINK: Add a link to the data. Note that this is only
* useful if source and destination agree on what it means.
* @GDK_ACTION_PRIVATE: Special action which tells the source that the
* destination will do something that the source doesnt understand.
* @GDK_ACTION_ASK: Ask the user what to do with the data.
*
* Used in #GdkDragContext to indicate what the destination
* should do with the dropped data.
*/
typedef enum
{
GDK_ACTION_DEFAULT = 1 << 0,
GDK_ACTION_COPY = 1 << 1,
GDK_ACTION_MOVE = 1 << 2,
GDK_ACTION_LINK = 1 << 3,
GDK_ACTION_PRIVATE = 1 << 4,
GDK_ACTION_ASK = 1 << 5
} GdkDragAction;
/**
* 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;
GDK_AVAILABLE_IN_ALL
GType gdk_drag_context_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
void gdk_drag_context_set_device (GdkDragContext *context,
GdkDevice *device);
GDK_AVAILABLE_IN_ALL
GdkDevice * gdk_drag_context_get_device (GdkDragContext *context);
GDK_AVAILABLE_IN_ALL
GList *gdk_drag_context_list_targets (GdkDragContext *context);
GDK_AVAILABLE_IN_ALL
GdkDragAction gdk_drag_context_get_actions (GdkDragContext *context);
GDK_AVAILABLE_IN_ALL
GdkDragAction gdk_drag_context_get_suggested_action (GdkDragContext *context);
GDK_AVAILABLE_IN_ALL
GdkDragAction gdk_drag_context_get_selected_action (GdkDragContext *context);
GDK_AVAILABLE_IN_ALL
GdkWindow *gdk_drag_context_get_source_window (GdkDragContext *context);
GDK_AVAILABLE_IN_ALL
GdkWindow *gdk_drag_context_get_dest_window (GdkDragContext *context);
GDK_AVAILABLE_IN_ALL
GdkDragProtocol gdk_drag_context_get_protocol (GdkDragContext *context);
/* Destination side */
GDK_AVAILABLE_IN_ALL
void gdk_drag_status (GdkDragContext *context,
GdkDragAction action,
guint32 time_);
GDK_AVAILABLE_IN_ALL
void gdk_drop_reply (GdkDragContext *context,
gboolean accepted,
guint32 time_);
GDK_AVAILABLE_IN_ALL
void gdk_drop_finish (GdkDragContext *context,
gboolean success,
guint32 time_);
GDK_AVAILABLE_IN_ALL
GdkAtom gdk_drag_get_selection (GdkDragContext *context);
/* Source side */
GDK_AVAILABLE_IN_ALL
GdkDragContext * gdk_drag_begin (GdkWindow *window,
GList *targets);
GDK_AVAILABLE_IN_ALL
GdkDragContext * gdk_drag_begin_for_device (GdkWindow *window,
GdkDevice *device,
GList *targets);
GDK_AVAILABLE_IN_ALL
void gdk_drag_find_window_for_screen (GdkDragContext *context,
GdkWindow *drag_window,
GdkScreen *screen,
gint x_root,
gint y_root,
GdkWindow **dest_window,
GdkDragProtocol *protocol);
GDK_AVAILABLE_IN_ALL
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_);
GDK_AVAILABLE_IN_ALL
void gdk_drag_drop (GdkDragContext *context,
guint32 time_);
GDK_AVAILABLE_IN_ALL
void gdk_drag_abort (GdkDragContext *context,
guint32 time_);
GDK_AVAILABLE_IN_ALL
gboolean gdk_drag_drop_succeeded (GdkDragContext *context);
GDK_AVAILABLE_IN_3_20
GdkWindow *gdk_drag_context_get_drag_window (GdkDragContext *context);
GDK_AVAILABLE_IN_3_20
void gdk_drag_context_set_hotspot (GdkDragContext *context,
gint hot_x,
gint hot_y);
G_END_DECLS
#endif /* __GDK_DND_H__ */