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