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207 lines
7.2 KiB
C
207 lines
7.2 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
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#error "Only <gdk/gdk.h> can be included directly."
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#endif
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#ifndef __GDK_DND_H__
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#define __GDK_DND_H__
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#include <gdk/gdktypes.h>
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#include <gdk/gdkdevice.h>
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G_BEGIN_DECLS
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typedef struct _GdkDragContext GdkDragContext;
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/**
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* GdkDragAction:
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* @GDK_ACTION_DEFAULT: Means nothing, and should not be used.
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* @GDK_ACTION_COPY: Copy the data.
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* @GDK_ACTION_MOVE: Move the data, i.e. first copy it, then delete
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* it from the source using the DELETE target of the X selection protocol.
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* @GDK_ACTION_LINK: Add a link to the data. Note that this is only
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* useful if source and destination agree on what it means.
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* @GDK_ACTION_PRIVATE: Special action which tells the source that the
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* destination will do something that the source doesn't understand.
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* @GDK_ACTION_ASK: Ask the user what to do with the data.
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*
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* Used in #GdkDragContext to indicate what the destination
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* should do with the dropped data.
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*/
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typedef enum
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{
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GDK_ACTION_DEFAULT = 1 << 0,
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GDK_ACTION_COPY = 1 << 1,
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GDK_ACTION_MOVE = 1 << 2,
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GDK_ACTION_LINK = 1 << 3,
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GDK_ACTION_PRIVATE = 1 << 4,
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GDK_ACTION_ASK = 1 << 5
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} GdkDragAction;
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/**
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* GdkDragProtocol:
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* @GDK_DRAG_PROTO_MOTIF: The Motif DND protocol.
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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_NONE: no protocol.
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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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*
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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_MOTIF,
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GDK_DRAG_PROTO_XDND,
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GDK_DRAG_PROTO_ROOTWIN, /* A root window with nobody claiming
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* drags */
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GDK_DRAG_PROTO_NONE, /* Not a valid drag window */
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GDK_DRAG_PROTO_WIN32_DROPFILES, /* The simple WM_DROPFILES dnd */
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GDK_DRAG_PROTO_OLE2, /* The complex OLE2 dnd (not implemented) */
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GDK_DRAG_PROTO_LOCAL /* Intra-app */
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} GdkDragProtocol;
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/* Object that holds information about a drag in progress.
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* this is used on both source and destination sides.
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*/
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typedef struct _GdkDragContextClass GdkDragContextClass;
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#define GDK_TYPE_DRAG_CONTEXT (gdk_drag_context_get_type ())
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#define GDK_DRAG_CONTEXT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_DRAG_CONTEXT, GdkDragContext))
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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(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_DRAG_CONTEXT))
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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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struct _GdkDragContext {
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GObject parent_instance;
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/*< public >*/
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GdkDragProtocol GSEAL (protocol);
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gboolean GSEAL (is_source);
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GdkWindow *GSEAL (source_window);
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GdkWindow *GSEAL (dest_window);
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GList *GSEAL (targets);
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GdkDragAction GSEAL (actions);
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GdkDragAction GSEAL (suggested_action);
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GdkDragAction GSEAL (action);
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guint32 GSEAL (start_time);
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/*< private >*/
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gpointer GSEAL (windowing_data);
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};
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struct _GdkDragContextClass {
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GObjectClass parent_class;
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};
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/* Drag and Drop */
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GType gdk_drag_context_get_type (void) G_GNUC_CONST;
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GdkDragContext * gdk_drag_context_new (void);
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void gdk_drag_context_set_device (GdkDragContext *context,
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GdkDevice *device);
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GdkDevice * gdk_drag_context_get_device (GdkDragContext *context);
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GList *gdk_drag_context_list_targets (GdkDragContext *context);
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GdkDragAction gdk_drag_context_get_actions (GdkDragContext *context);
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GdkDragAction gdk_drag_context_get_suggested_action (GdkDragContext *context);
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GdkDragAction gdk_drag_context_get_selected_action (GdkDragContext *context);
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/* Destination side */
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void gdk_drag_status (GdkDragContext *context,
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GdkDragAction action,
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guint32 time_);
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void gdk_drop_reply (GdkDragContext *context,
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gboolean ok,
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guint32 time_);
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void gdk_drop_finish (GdkDragContext *context,
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gboolean success,
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guint32 time_);
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GdkAtom gdk_drag_get_selection (GdkDragContext *context);
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/* Source side */
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GdkDragContext * gdk_drag_begin (GdkWindow *window,
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GList *targets);
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GdkNativeWindow gdk_drag_get_protocol_for_display (GdkDisplay *display,
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GdkNativeWindow xid,
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GdkDragProtocol *protocol);
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void gdk_drag_find_window_for_screen (GdkDragContext *context,
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GdkWindow *drag_window,
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GdkScreen *screen,
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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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#ifndef GDK_MULTIHEAD_SAFE
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GdkNativeWindow gdk_drag_get_protocol (GdkNativeWindow xid,
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GdkDragProtocol *protocol);
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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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#endif /* GDK_MULTIHEAD_SAFE */
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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_drop (GdkDragContext *context,
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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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gboolean gdk_drag_drop_succeeded (GdkDragContext *context);
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G_END_DECLS
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#endif /* __GDK_DND_H__ */
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