lwlib/lwlib-int.h

   1 /*
   2 Copyright (C) 1992 Lucid, Inc.
   3 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006,
   4   2007, 2008 Free Software Foundation, Inc.
   5
   6 This file is part of the Lucid Widget Library.
   7
   8 The Lucid Widget Library is free software; you can redistribute it and/or
   9 modify it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 1, or (at your option)
  11 any later version.
  12
  13 The Lucid Widget Library is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs; see the file COPYING.  If not, write to
  20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21 Boston, MA 02110-1301, USA.  */
  22
  23
  24 #ifndef LWLIB_INTERNAL_H
  25 #define LWLIB_INTERNAL_H
  26
  27 #include "lwlib.h"
  28
  29 extern char *safe_strdup __P ((const char *));
  30
  31 typedef struct _widget_instance
  32 {
  33   Widget                widget;
  34   Widget                parent;
  35   Boolean               pop_up_p;
  36   struct _widget_info*          info;
  37   struct _widget_instance*      next;
  38 } widget_instance;
  39
  40 typedef struct _widget_info
  41 {
  42   char*                 type;
  43   char*                 name;
  44   LWLIB_ID              id;
  45   widget_value*         val;
  46   Boolean               busy;
  47   lw_callback           pre_activate_cb;
  48   lw_callback           selection_cb;
  49   lw_callback           post_activate_cb;
  50   lw_callback           highlight_cb;
  51   struct _widget_instance*      instances;
  52   struct _widget_info*          next;
  53 } widget_info;
  54
  55 typedef Widget
  56 (*widget_creation_function) ();
  57
  58 typedef struct _widget_creation_entry
  59 {
  60   char*                         type;
  61   widget_creation_function      function;
  62 } widget_creation_entry;
  63
  64 /* update all other instances of a widget.  Can be used in a callback when
  65    a widget has been used by the user */
  66 void
  67 lw_internal_update_other_instances __P ((Widget, XtPointer, XtPointer));
  68
  69 /* get the widget_value for a widget in a given instance */
  70 widget_value*
  71 lw_get_widget_value_for_widget __P ((widget_instance *, Widget));
  72
  73 widget_info *lw_get_widget_info __P ((LWLIB_ID));
  74 widget_instance * lw_get_widget_instance __P ((Widget));
  75
  76 #endif /* LWLIB_INTERNAL_H */
  77
  78 /* arch-tag: ae02f67d-ef25-421c-b956-b01a4b0aac76
  79    (do not change this comment) */