Pileus Git - ~andy/gtk/blob - gdk/gdkdnd.h

   1 /* GDK - The GIMP Drawing Kit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 /*
  19  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  20  * file for a list of people on the GTK+ Team.  See the ChangeLog
  21  * files for a list of changes.  These files are distributed with
  22  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  23  */
  24
  25 #ifndef __GDK_DND_H__
  26 #define __GDK_DND_H__
  27
  28 #if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
  29 #error "Only <gdk/gdk.h> can be included directly."
  30 #endif
  31
  32 #include <gdk/gdktypes.h>
  33 #include <gdk/gdkdevice.h>
  34
  35 G_BEGIN_DECLS
  36
  37 #define GDK_TYPE_DRAG_CONTEXT              (gdk_drag_context_get_type ())
  38 #define GDK_DRAG_CONTEXT(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_DRAG_CONTEXT, GdkDragContext))
  39 #define GDK_IS_DRAG_CONTEXT(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_DRAG_CONTEXT))
  40
  41 /**
  42  * GdkDragAction:
  43  * @GDK_ACTION_DEFAULT: Means nothing, and should not be used.
  44  * @GDK_ACTION_COPY: Copy the data.
  45  * @GDK_ACTION_MOVE: Move the data, i.e. first copy it, then delete
  46  *  it from the source using the DELETE target of the X selection protocol.
  47  * @GDK_ACTION_LINK: Add a link to the data. Note that this is only
  48  *  useful if source and destination agree on what it means.
  49  * @GDK_ACTION_PRIVATE: Special action which tells the source that the
  50  *  destination will do something that the source doesn't understand.
  51  * @GDK_ACTION_ASK: Ask the user what to do with the data.
  52  *
  53  * Used in #GdkDragContext to indicate what the destination
  54  * should do with the dropped data.
  55  */
  56 typedef enum
  57 {
  58   GDK_ACTION_DEFAULT = 1 << 0,
  59   GDK_ACTION_COPY    = 1 << 1,
  60   GDK_ACTION_MOVE    = 1 << 2,
  61   GDK_ACTION_LINK    = 1 << 3,
  62   GDK_ACTION_PRIVATE = 1 << 4,
  63   GDK_ACTION_ASK     = 1 << 5
  64 } GdkDragAction;
  65
  66 /**
  67  * GdkDragProtocol:
  68  * @GDK_DRAG_PROTO_NONE: no protocol.
  69  * @GDK_DRAG_PROTO_MOTIF: The Motif DND protocol. No longer supported
  70  * @GDK_DRAG_PROTO_XDND: The Xdnd protocol.
  71  * @GDK_DRAG_PROTO_ROOTWIN: An extension to the Xdnd protocol for
  72  *  unclaimed root window drops.
  73  * @GDK_DRAG_PROTO_WIN32_DROPFILES: The simple WM_DROPFILES protocol.
  74  * @GDK_DRAG_PROTO_OLE2: The complex OLE2 DND protocol (not implemented).
  75  * @GDK_DRAG_PROTO_LOCAL: Intra-application DND.
  76  *
  77  * Used in #GdkDragContext to indicate the protocol according to
  78  * which DND is done.
  79  */
  80 typedef enum
  81 {
  82   GDK_DRAG_PROTO_NONE = 0,
  83   GDK_DRAG_PROTO_MOTIF,
  84   GDK_DRAG_PROTO_XDND,
  85   GDK_DRAG_PROTO_ROOTWIN,
  86   GDK_DRAG_PROTO_WIN32_DROPFILES,
  87   GDK_DRAG_PROTO_OLE2,
  88   GDK_DRAG_PROTO_LOCAL
  89 } GdkDragProtocol;
  90
  91
  92 GType            gdk_drag_context_get_type             (void) G_GNUC_CONST;
  93
  94 void             gdk_drag_context_set_device           (GdkDragContext *context,
  95                                                         GdkDevice      *device);
  96 GdkDevice *      gdk_drag_context_get_device           (GdkDragContext *context);
  97
  98 GList           *gdk_drag_context_list_targets         (GdkDragContext *context);
  99 GdkDragAction    gdk_drag_context_get_actions          (GdkDragContext *context);
 100 GdkDragAction    gdk_drag_context_get_suggested_action (GdkDragContext *context);
 101 GdkDragAction    gdk_drag_context_get_selected_action  (GdkDragContext *context);
 102
 103 GdkWindow       *gdk_drag_context_get_source_window    (GdkDragContext *context);
 104 GdkWindow       *gdk_drag_context_get_dest_window      (GdkDragContext *context);
 105 GdkDragProtocol  gdk_drag_context_get_protocol         (GdkDragContext *context);
 106
 107 /* Destination side */
 108
 109 void             gdk_drag_status        (GdkDragContext   *context,
 110                                          GdkDragAction     action,
 111                                          guint32           time_);
 112 void             gdk_drop_reply         (GdkDragContext   *context,
 113                                          gboolean          accepted,
 114                                          guint32           time_);
 115 void             gdk_drop_finish        (GdkDragContext   *context,
 116                                          gboolean          success,
 117                                          guint32           time_);
 118 GdkAtom          gdk_drag_get_selection (GdkDragContext   *context);
 119
 120 /* Source side */
 121
 122 GdkDragContext * gdk_drag_begin            (GdkWindow      *window,
 123                                             GList          *targets);
 124
 125 GdkDragContext * gdk_drag_begin_for_device (GdkWindow      *window,
 126                                             GdkDevice      *device,
 127                                             GList          *targets);
 128
 129 void    gdk_drag_find_window_for_screen   (GdkDragContext   *context,
 130                                            GdkWindow        *drag_window,
 131                                            GdkScreen        *screen,
 132                                            gint              x_root,
 133                                            gint              y_root,
 134                                            GdkWindow       **dest_window,
 135                                            GdkDragProtocol  *protocol);
 136
 137 gboolean        gdk_drag_motion      (GdkDragContext *context,
 138                                       GdkWindow      *dest_window,
 139                                       GdkDragProtocol protocol,
 140                                       gint            x_root,
 141                                       gint            y_root,
 142                                       GdkDragAction   suggested_action,
 143                                       GdkDragAction   possible_actions,
 144                                       guint32         time_);
 145 void            gdk_drag_drop        (GdkDragContext *context,
 146                                       guint32         time_);
 147 void            gdk_drag_abort       (GdkDragContext *context,
 148                                       guint32         time_);
 149 gboolean        gdk_drag_drop_succeeded (GdkDragContext *context);
 150
 151 G_END_DECLS
 152
 153 #endif /* __GDK_DND_H__ */