Pileus Git - ~andy/gtk/blob - gtk/gtkselection.h

   1 /* GTK - The GIMP Toolkit
   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 Library 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  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library; if not, write to the Free
  16  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17  */
  18 #ifndef __GTK_SELECTION_H__
  19 #define __GTK_SELECTION_H__
  20
  21
  22 #include <gdk/gdk.h>
  23 #include <gtk/gtkenums.h>
  24 #include <gtk/gtkwidget.h>
  25
  26 #ifdef __cplusplus
  27 extern "C" {
  28 #endif /* __cplusplus */
  29
  30 typedef struct _GtkSelectionData GtkSelectioData;
  31
  32 /* a callback function that provides the selection. Arguments are:
  33    widget: selection owner
  34    offset: offset into selection
  35    buffer: buffer into which to store selection
  36    length: length of buffer
  37    bytes_after: (sizeof(selection) - offset - length ) (return)
  38    data:   callback data */
  39
  40 typedef void (*GtkSelectionFunction) (GtkWidget *widget,
  41                                       GtkSelectionData *selection_data,
  42                                       gpointer data);
  43
  44 /* Public interface */
  45
  46 gint gtk_selection_owner_set (GtkWidget           *widget,
  47                               GdkAtom              selection,
  48                               guint32              time);
  49 void gtk_selection_add_handler (GtkWidget           *widget,
  50                                 GdkAtom              selection,
  51                                 GdkAtom              target,
  52                                 GtkSelectionFunction function,
  53                                 GtkRemoveFunction    remove_func,
  54                                 gpointer             data);
  55 gint gtk_selection_convert   (GtkWidget           *widget,
  56                               GdkAtom              selection,
  57                               GdkAtom              target,
  58                               guint32              time);
  59
  60
  61 void gtk_selection_data_set (GtkSelectionData *selection_data,
  62                              GdkAtom           type,
  63                              gint              format,
  64                              guchar           *data,
  65                              gint              length);
  66
  67 /* Called when a widget is destroyed */
  68
  69 void gtk_selection_remove_all      (GtkWidget *widget);
  70
  71 /* Event handlers */
  72
  73 gint gtk_selection_clear           (GtkWidget         *widget,
  74                                     GdkEventSelection *event);
  75 gint gtk_selection_request         (GtkWidget         *widget,
  76                                     GdkEventSelection *event);
  77 gint gtk_selection_incr_event      (GdkWindow         *window,
  78                                     GdkEventProperty  *event);
  79 gint gtk_selection_notify          (GtkWidget         *widget,
  80                                     GdkEventSelection *event);
  81 gint gtk_selection_property_notify (GtkWidget         *widget,
  82                                     GdkEventProperty  *event);
  83
  84
  85
  86 #ifdef __cplusplus
  87 }
  88 #endif /* __cplusplus */
  89
  90
  91 #endif /* __GTK_SELECTION_H__ */