apps/plugins/textviewer/tv_screen.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Gilles Roux
  11  *               2003 Garrett Derner
  12  *               2010 Yoshihisa Uchida
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License
  16  * as published by the Free Software Foundation; either version 2
  17  * of the License, or (at your option) any later version.
  18  *
  19  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  20  * KIND, either express or implied.
  21  *
  22  ****************************************************************************/
  23 #ifndef PLUGIN_TEXT_VIEWER_SCREEN_H
  24 #define PLUGIN_TEXT_VIEWER_SCREEN_H
  25
  26 /* scroll mode */
  27 enum
  28 {
  29     VIEWER_SCROLL_LINE,   /* up/down one line */
  30     VIEWER_SCROLL_PAGE,   /* up/down one page */
  31     VIEWER_SCROLL_COLUMN, /* left/right one column */
  32     VIEWER_SCROLL_SCREEN, /* left/right one screen */
  33     VIEWER_SCROLL_PREFS,  /*up/down/left/right follows the settings. */
  34 };
  35
  36 void viewer_init_screen(void);
  37 void viewer_finalize_screen(void);
  38
  39 void viewer_draw(void);
  40
  41 void viewer_top(void);
  42 void viewer_bottom(void);
  43
  44 void viewer_scroll_up(int mode);
  45 void viewer_scroll_down(int mode);
  46 void viewer_scroll_left(int mode);
  47 void viewer_scroll_right(int mode);
  48
  49 void change_font(unsigned char *font);
  50
  51 #endif