forked from AuroraMiddleware/gtk
b49a9b9933
Without selections, drags can't have them either. Also included is removing the selection from GtkSelectionData. Includes a bunch of crude cleanups to Wayland code that no longer has to care about selection atoms.
195 lines
8.9 KiB
C
195 lines
8.9 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2010, Red Hat, Inc
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GDK_DND_PRIVATE_H__
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#define __GDK_DND_PRIVATE_H__
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#include "gdkdnd.h"
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G_BEGIN_DECLS
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/*
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* GdkDragProtocol:
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* @GDK_DRAG_PROTO_NONE: no protocol.
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* @GDK_DRAG_PROTO_MOTIF: The Motif DND protocol. No longer supported
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* @GDK_DRAG_PROTO_XDND: The Xdnd protocol.
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* @GDK_DRAG_PROTO_ROOTWIN: An extension to the Xdnd protocol for
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* unclaimed root window drops.
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* @GDK_DRAG_PROTO_WIN32_DROPFILES: The simple WM_DROPFILES protocol.
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* @GDK_DRAG_PROTO_OLE2: The complex OLE2 DND protocol (not implemented).
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* @GDK_DRAG_PROTO_LOCAL: Intra-application DND.
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* @GDK_DRAG_PROTO_WAYLAND: Wayland DND protocol.
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*
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* Used in #GdkDragContext to indicate the protocol according to
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* which DND is done.
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*/
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typedef enum
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{
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GDK_DRAG_PROTO_NONE = 0,
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GDK_DRAG_PROTO_MOTIF,
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GDK_DRAG_PROTO_XDND,
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GDK_DRAG_PROTO_ROOTWIN,
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GDK_DRAG_PROTO_WIN32_DROPFILES,
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GDK_DRAG_PROTO_OLE2,
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GDK_DRAG_PROTO_LOCAL,
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GDK_DRAG_PROTO_WAYLAND
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} GdkDragProtocol;
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#define GDK_DRAG_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DRAG_CONTEXT, GdkDragContextClass))
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#define GDK_IS_DRAG_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DRAG_CONTEXT))
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#define GDK_DRAG_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DRAG_CONTEXT, GdkDragContextClass))
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typedef struct _GdkDragContextClass GdkDragContextClass;
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struct _GdkDragContextClass {
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GObjectClass parent_class;
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GdkWindow * (*find_window) (GdkDragContext *context,
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GdkWindow *drag_window,
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gint x_root,
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gint y_root,
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GdkDragProtocol *protocol);
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gboolean (*drag_motion) (GdkDragContext *context,
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GdkWindow *dest_window,
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GdkDragProtocol protocol,
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gint root_x,
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gint root_y,
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GdkDragAction suggested_action,
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GdkDragAction possible_actions,
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guint32 time_);
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void (*drag_status) (GdkDragContext *context,
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GdkDragAction action,
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guint32 time_);
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void (*drag_abort) (GdkDragContext *context,
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guint32 time_);
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void (*drag_drop) (GdkDragContext *context,
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guint32 time_);
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void (*drop_reply) (GdkDragContext *context,
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gboolean accept,
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guint32 time_);
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void (*drop_finish) (GdkDragContext *context,
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gboolean success,
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guint32 time_);
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void (* read_async) (GdkDragContext *context,
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GdkContentFormats *formats,
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int io_priority,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data);
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GInputStream * (* read_finish) (GdkDragContext *context,
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const char **out_mime_type,
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GAsyncResult *result,
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GError **error);
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gboolean (*drop_status) (GdkDragContext *context);
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GdkWindow* (*get_drag_window) (GdkDragContext *context);
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void (*set_hotspot) (GdkDragContext *context,
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gint hot_x,
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gint hot_y);
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void (*drop_done) (GdkDragContext *context,
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gboolean success);
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void (*set_cursor) (GdkDragContext *context,
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GdkCursor *cursor);
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void (*cancel) (GdkDragContext *context,
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GdkDragCancelReason reason);
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void (*drop_performed) (GdkDragContext *context,
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guint32 time);
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void (*dnd_finished) (GdkDragContext *context);
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gboolean (*handle_event) (GdkDragContext *context,
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const GdkEvent *event);
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void (*action_changed) (GdkDragContext *context,
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GdkDragAction action);
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void (*commit_drag_status) (GdkDragContext *context);
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};
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struct _GdkDragContext {
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GObject parent_instance;
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/*< private >*/
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GdkDragProtocol protocol;
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GdkDisplay *display;
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gboolean is_source;
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GdkWindow *source_window;
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GdkWindow *dest_window;
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GdkWindow *drag_window;
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GdkContentProvider *content;
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GdkContentFormats *formats;
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GdkDragAction actions;
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GdkDragAction suggested_action;
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GdkDragAction action;
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guint32 start_time;
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GdkDevice *device;
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guint drop_done : 1; /* Whether gdk_drag_drop_done() was performed */
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};
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void gdk_drag_context_set_device (GdkDragContext *context,
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GdkDevice *device);
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void gdk_drag_context_set_cursor (GdkDragContext *context,
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GdkCursor *cursor);
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void gdk_drag_context_cancel (GdkDragContext *context,
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GdkDragCancelReason reason);
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gboolean gdk_drag_context_handle_source_event (GdkEvent *event);
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gboolean gdk_drag_context_handle_dest_event (GdkEvent *event);
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GdkCursor * gdk_drag_get_cursor (GdkDragContext *context,
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GdkDragAction action);
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gboolean gdk_drag_motion (GdkDragContext *context,
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GdkWindow *dest_window,
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GdkDragProtocol protocol,
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gint x_root,
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gint y_root,
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GdkDragAction suggested_action,
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GdkDragAction possible_actions,
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guint32 time_);
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void gdk_drag_abort (GdkDragContext *context,
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guint32 time_);
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void gdk_drag_drop (GdkDragContext *context,
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guint32 time_);
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void gdk_drag_find_window (GdkDragContext *context,
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GdkWindow *drag_window,
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gint x_root,
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gint y_root,
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GdkWindow **dest_window,
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GdkDragProtocol *protocol);
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void gdk_drag_context_write_async (GdkDragContext *context,
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const char *mime_type,
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GOutputStream *stream,
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int io_priority,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data);
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gboolean gdk_drag_context_write_finish (GdkDragContext *context,
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GAsyncResult *result,
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GError **error);
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G_END_DECLS
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#endif
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