forked from AuroraMiddleware/gtk
268c7a3e44
Add a variant of gdk_drag_begin that takes the start position in addition to the device. All backend implementation have been updated to accept (and ignore) the new arguments. Subsequent commits will make use of the data in some backends.
224 lines
6.6 KiB
C
224 lines
6.6 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1999 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, see <http://www.gnu.org/licenses/>.
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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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#include "config.h"
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#include "gdkdndprivate.h"
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#include "gdkinternals.h"
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#include "gdkproperty.h"
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#include "gdkprivate-broadway.h"
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#include "gdkinternals.h"
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#include "gdkscreen-broadway.h"
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#include "gdkdisplay-broadway.h"
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#include <string.h>
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#define GDK_TYPE_BROADWAY_DRAG_CONTEXT (gdk_broadway_drag_context_get_type ())
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#define GDK_BROADWAY_DRAG_CONTEXT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_BROADWAY_DRAG_CONTEXT, GdkBroadwayDragContext))
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#define GDK_BROADWAY_DRAG_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_BROADWAY_DRAG_CONTEXT, GdkBroadwayDragContextClass))
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#define GDK_IS_BROADWAY_DRAG_CONTEXT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_BROADWAY_DRAG_CONTEXT))
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#define GDK_IS_BROADWAY_DRAG_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_BROADWAY_DRAG_CONTEXT))
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#define GDK_BROADWAY_DRAG_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_BROADWAY_DRAG_CONTEXT, GdkBroadwayDragContextClass))
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#ifdef GDK_COMPILATION
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typedef struct _GdkBroadwayDragContext GdkBroadwayDragContext;
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#else
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typedef GdkDragContext GdkBroadwayDragContext;
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#endif
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typedef struct _GdkBroadwayDragContextClass GdkBroadwayDragContextClass;
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GType gdk_broadway_drag_context_get_type (void);
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struct _GdkBroadwayDragContext {
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GdkDragContext context;
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};
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struct _GdkBroadwayDragContextClass
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{
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GdkDragContextClass parent_class;
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};
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static void gdk_broadway_drag_context_finalize (GObject *object);
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static GList *contexts;
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G_DEFINE_TYPE (GdkBroadwayDragContext, gdk_broadway_drag_context, GDK_TYPE_DRAG_CONTEXT)
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static void
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gdk_broadway_drag_context_init (GdkBroadwayDragContext *dragcontext)
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{
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contexts = g_list_prepend (contexts, dragcontext);
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}
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static void
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gdk_broadway_drag_context_finalize (GObject *object)
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{
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GdkDragContext *context = GDK_DRAG_CONTEXT (object);
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contexts = g_list_remove (contexts, context);
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G_OBJECT_CLASS (gdk_broadway_drag_context_parent_class)->finalize (object);
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}
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/* Drag Contexts */
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GdkDragContext *
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_gdk_broadway_window_drag_begin (GdkWindow *window,
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GdkDevice *device,
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GList *targets,
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gint x_root,
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gint y_root)
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{
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GdkDragContext *new_context;
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g_return_val_if_fail (window != NULL, NULL);
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g_return_val_if_fail (GDK_WINDOW_IS_BROADWAY (window), NULL);
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new_context = g_object_new (GDK_TYPE_BROADWAY_DRAG_CONTEXT,
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NULL);
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return new_context;
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}
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GdkDragProtocol
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_gdk_broadway_window_get_drag_protocol (GdkWindow *window,
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GdkWindow **target)
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{
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return GDK_DRAG_PROTO_NONE;
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}
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static GdkWindow *
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gdk_broadway_drag_context_find_window (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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GdkDragProtocol *protocol)
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{
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g_return_val_if_fail (context != NULL, NULL);
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return NULL;
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}
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static gboolean
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gdk_broadway_drag_context_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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{
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g_return_val_if_fail (context != NULL, FALSE);
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g_return_val_if_fail (dest_window == NULL || GDK_WINDOW_IS_BROADWAY (dest_window), FALSE);
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return FALSE;
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}
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static void
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gdk_broadway_drag_context_drag_drop (GdkDragContext *context,
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guint32 time)
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{
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g_return_if_fail (context != NULL);
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}
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static void
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gdk_broadway_drag_context_drag_abort (GdkDragContext *context,
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guint32 time)
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{
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g_return_if_fail (context != NULL);
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}
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/* Destination side */
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static void
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gdk_broadway_drag_context_drag_status (GdkDragContext *context,
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GdkDragAction action,
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guint32 time)
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{
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g_return_if_fail (context != NULL);
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}
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static void
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gdk_broadway_drag_context_drop_reply (GdkDragContext *context,
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gboolean ok,
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guint32 time)
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{
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g_return_if_fail (context != NULL);
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}
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static void
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gdk_broadway_drag_context_drop_finish (GdkDragContext *context,
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gboolean success,
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guint32 time)
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{
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g_return_if_fail (context != NULL);
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}
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void
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_gdk_broadway_window_register_dnd (GdkWindow *window)
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{
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}
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static GdkAtom
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gdk_broadway_drag_context_get_selection (GdkDragContext *context)
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{
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g_return_val_if_fail (context != NULL, GDK_NONE);
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return GDK_NONE;
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}
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static gboolean
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gdk_broadway_drag_context_drop_status (GdkDragContext *context)
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{
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g_return_val_if_fail (context != NULL, FALSE);
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return FALSE;
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}
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void
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_gdk_broadway_display_init_dnd (GdkDisplay *display)
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{
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}
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static void
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gdk_broadway_drag_context_class_init (GdkBroadwayDragContextClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GdkDragContextClass *context_class = GDK_DRAG_CONTEXT_CLASS (klass);
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object_class->finalize = gdk_broadway_drag_context_finalize;
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context_class->find_window = gdk_broadway_drag_context_find_window;
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context_class->drag_status = gdk_broadway_drag_context_drag_status;
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context_class->drag_motion = gdk_broadway_drag_context_drag_motion;
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context_class->drag_abort = gdk_broadway_drag_context_drag_abort;
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context_class->drag_drop = gdk_broadway_drag_context_drag_drop;
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context_class->drop_reply = gdk_broadway_drag_context_drop_reply;
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context_class->drop_finish = gdk_broadway_drag_context_drop_finish;
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context_class->drop_status = gdk_broadway_drag_context_drop_status;
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context_class->get_selection = gdk_broadway_drag_context_get_selection;
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}
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