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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Gilles Roux
* 2003 Garrett Derner
* 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.
*
****************************************************************************/
#include "plugin.h"
#include "tv_action.h"
#include "tv_bookmark.h"
#include "tv_pager.h"
#include "tv_screen_pos.h"
#include "tv_settings.h"
#include "tv_window.h"
static const struct tv_preferences *prefs;
bool tv_init(const unsigned char *file)
{
size_t req_size = 0;
size_t size;
size_t used_size;
unsigned char *buffer;
/* get the plugin buffer */
buffer = rb->plugin_get_buffer(&req_size);
size = req_size;
if (buffer == NULL || size == 0)
return false;
prefs = tv_get_preferences();
tv_init_bookmark();
/* initialize modules */
if (!tv_init_window(buffer, size, &used_size))
return false;
/* load the preferences and bookmark */
tv_load_settings(file);
/* select to read the page */
tv_select_bookmark();
return true;
}
void tv_exit(void *parameter)
{
(void)parameter;
/* save preference and bookmarks */
if (!tv_save_settings())
rb->splash(HZ, "Can't save preferences and bookmarks");
/* finalize modules */
tv_finalize_window();
}
void tv_draw(void)
{
struct tv_screen_pos pos;
tv_copy_screen_pos(&pos);
tv_draw_window();
if (pos.line == 0)
tv_new_page();
tv_move_screen(pos.page, pos.line, SEEK_SET);
}
void tv_scroll_up(enum tv_vertical_scroll_mode mode)
{
int offset_page = 0;
int offset_line = -1;
if ((mode == TV_VERTICAL_SCROLL_PAGE) ||
(mode == TV_VERTICAL_SCROLL_PREFS && prefs->vertical_scroll_mode == PAGE))
{
offset_page--;
#ifdef HAVE_LCD_BITMAP
offset_line = (prefs->page_mode == OVERLAP)? 1:0;
#endif
}
tv_move_screen(offset_page, offset_line, SEEK_CUR);
}
void tv_scroll_down(enum tv_vertical_scroll_mode mode)
{
int offset_page = 0;
int offset_line = 1;
if ((mode == TV_VERTICAL_SCROLL_PAGE) ||
(mode == TV_VERTICAL_SCROLL_PREFS && prefs->vertical_scroll_mode == PAGE))
{
offset_page++;
#ifdef HAVE_LCD_BITMAP
offset_line = (prefs->page_mode == OVERLAP)? -1:0;
#endif
}
tv_move_screen(offset_page, offset_line, SEEK_CUR);
}
void tv_scroll_left(enum tv_horizontal_scroll_mode mode)
{
int offset_window = 0;
int offset_column = 0;
if ((mode == TV_HORIZONTAL_SCROLL_COLUMN) ||
(mode == TV_HORIZONTAL_SCROLL_PREFS && prefs->horizontal_scroll_mode == COLUMN))
{
/* Scroll left one column */
offset_column--;
}
else
{
/* Scroll left one window */
offset_window--;
}
tv_move_window(offset_window, offset_column);
}
void tv_scroll_right(enum tv_horizontal_scroll_mode mode)
{
int offset_window = 0;
int offset_column = 0;
if ((mode == TV_HORIZONTAL_SCROLL_COLUMN) ||
(mode == TV_HORIZONTAL_SCROLL_PREFS && prefs->horizontal_scroll_mode == COLUMN))
{
/* Scroll right one column */
offset_column++;
}
else
{
/* Scroll right one window */
offset_window++;
}
tv_move_window(offset_window, offset_column);
}
void tv_top(void)
{
tv_move_screen(0, 0, SEEK_SET);
}
void tv_bottom(void)
{
tv_move_screen(0, 0, SEEK_END);
if (prefs->vertical_scroll_mode == PAGE)
tv_move_screen(0, -tv_get_screen_pos()->line, SEEK_CUR);
}
enum tv_menu_result tv_menu(void)
{
enum tv_menu_result res;
struct tv_screen_pos cur_pos;
off_t cur_file_pos = tv_get_screen_pos()->file_pos;
res = tv_display_menu();
tv_convert_fpos(cur_file_pos, &cur_pos);
if (prefs->vertical_scroll_mode == PAGE)
cur_pos.line = 0;
tv_move_screen(cur_pos.page, cur_pos.line, SEEK_SET);
return res;
}
void tv_add_or_remove_bookmark(void)
{
tv_toggle_bookmark();
}
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