25f44c2e1f
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27173 a1c6a512-1295-4272-9138-f99709370657
141 lines
3.2 KiB
C
141 lines
3.2 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2010 Yoshihisa Uchida
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
#ifndef PLUGIN_TEXT_VIEWER_DISPLAY_H
|
|
#define PLUGIN_TEXT_VIEWER_DISPLAY_H
|
|
|
|
#include "tv_screen_pos.h"
|
|
|
|
/* stuff for the screen access */
|
|
|
|
/*
|
|
* initialize the display module
|
|
*
|
|
* [In/Out] buf
|
|
* the start pointer of the buffer
|
|
*
|
|
* [In/Out] size
|
|
* buffer size
|
|
*
|
|
* return
|
|
* true initialize success
|
|
* false initialize failure
|
|
*/
|
|
bool tv_init_display(unsigned char **buf, size_t *size);
|
|
|
|
/* finalize the display module */
|
|
void tv_finalize_display(void);
|
|
|
|
/*
|
|
* draw the text
|
|
*
|
|
* [In] row
|
|
* the row that displays the text
|
|
*
|
|
* [In] text
|
|
* text
|
|
*
|
|
* [In] offset
|
|
* display the text that is since offset columns
|
|
*/
|
|
void tv_draw_text(int row, const unsigned char *text, int offset);
|
|
|
|
/*
|
|
* show bookmark
|
|
*
|
|
* [In] rows
|
|
* the array of row where the bookmark
|
|
*
|
|
* [In] count
|
|
* want to show bookmark count
|
|
*/
|
|
void tv_show_bookmarks(const int *rows, int count);
|
|
|
|
/*
|
|
* update extra parts (header, footer, scrollbar, etc.)
|
|
*
|
|
* [In] window
|
|
* current window
|
|
*
|
|
* [In] col
|
|
* current column
|
|
*
|
|
* [In] pos
|
|
* current screen position (file position, page, line)
|
|
*
|
|
* [In] size
|
|
* the size of text which is displayed.
|
|
*/
|
|
void tv_update_extra(int window, int col, const struct tv_screen_pos *pos, int size);
|
|
|
|
/*
|
|
* initialize the scrollbar
|
|
*
|
|
* [In] total
|
|
* total text size
|
|
*
|
|
* [In] show_scrollbar
|
|
* true: show the vertical scrollbar
|
|
* false: does not show the vertical scrollbar
|
|
*/
|
|
void tv_init_scrollbar(off_t total, bool show_scrollbar);
|
|
|
|
/* start the display processing */
|
|
void tv_start_display(void);
|
|
|
|
/* end the display processing */
|
|
void tv_end_display(void);
|
|
|
|
|
|
/* layout functions */
|
|
|
|
/*
|
|
* set the layout
|
|
*
|
|
* [In] show_scrollbar
|
|
* true: show the vertical scrollbar
|
|
* false: does not show the vertical scrollbar
|
|
*/
|
|
void tv_set_layout(bool show_scrollbar);
|
|
|
|
/*
|
|
* get the draw area info
|
|
*
|
|
* [Out] width
|
|
* width of the draw area
|
|
*
|
|
* [Out] cols
|
|
* column count of the draw area
|
|
*
|
|
* [Out] width
|
|
* row count of the draw area
|
|
*/
|
|
void tv_get_drawarea_info(int *width, int *cols, int *rows);
|
|
|
|
/*
|
|
* whether exist scrollbar
|
|
*
|
|
* return
|
|
* true exist scrollbar
|
|
* false does not exist scrollbar
|
|
*/
|
|
bool tv_exist_scrollbar(void);
|
|
|
|
#endif
|