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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"
bool bookmarks_changed = false;
bool scrolled = false;
bool tv_init_action(unsigned char **buf, size_t *size)
{
/* initialize bookmarks and window modules */
return tv_init_bookmark(buf, size) && tv_init_window(buf, size);
}
static void tv_finalize_action(void)
{
/* finalize bookmark modules */
tv_finalize_bookmark();
/* finalize window modules */
tv_finalize_window();
}
void tv_exit(void)
{
/* save preference and bookmarks */
DEBUGF("preferences_changed=%d\tbookmarks_changed=%d\tscrolled=%d\n",preferences_changed,bookmarks_changed,scrolled);
if ( preferences_changed || bookmarks_changed
#ifndef HAVE_DISK_STORAGE
|| scrolled
#endif
)
{
DEBUGF("Saving settings\n");
if (!tv_save_settings())
rb->splash(HZ, "Can't save preferences and bookmarks"); // XXX i18n
}
else
DEBUGF("Skip saving settings\n");
/* finalize modules */
tv_finalize_action();
}
bool tv_load_file(const unsigned char *file)
{
/* load the preferences and bookmark */
if (!tv_load_settings(file))
return false;
/* select to read the page */
tv_select_bookmark();
return true;
}
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(unsigned mode)
{
int offset_page = 0;
int offset_line = -1;
if ((mode == TV_VERTICAL_SCROLL_PAGE) ||
(mode == TV_VERTICAL_SCROLL_PREFS && preferences->vertical_scroll_mode == VS_PAGE))
{
offset_page--;
offset_line = (preferences->overlap_page_mode)? 1:0;
}
tv_move_screen(offset_page, offset_line, SEEK_CUR);
scrolled = true;
}
void tv_scroll_down(unsigned mode)
{
int offset_page = 0;
int offset_line = 1;
if ((mode == TV_VERTICAL_SCROLL_PAGE) ||
(mode == TV_VERTICAL_SCROLL_PREFS && preferences->vertical_scroll_mode == VS_PAGE))
{
offset_page++;
offset_line = (preferences->overlap_page_mode)? -1:0;
}
tv_move_screen(offset_page, offset_line, SEEK_CUR);
scrolled = true;
}
void tv_scroll_left(unsigned mode)
{
int offset_window = 0;
int offset_column = 0;
if ((mode == TV_HORIZONTAL_SCROLL_COLUMN) ||
(mode == TV_HORIZONTAL_SCROLL_PREFS && preferences->horizontal_scroll_mode == HS_COLUMN))
{
/* Scroll left one column */
offset_column--;
}
else
{
/* Scroll left one window */
offset_window--;
}
tv_move_window(offset_window, offset_column);
scrolled = true;
}
void tv_scroll_right(unsigned mode)
{
int offset_window = 0;
int offset_column = 0;
if ((mode == TV_HORIZONTAL_SCROLL_COLUMN) ||
(mode == TV_HORIZONTAL_SCROLL_PREFS && preferences->horizontal_scroll_mode == HS_COLUMN))
{
/* Scroll right one column */
offset_column++;
}
else
{
/* Scroll right one window */
offset_window++;
}
tv_move_window(offset_window, offset_column);
scrolled = true;
}
void tv_top(void)
{
tv_move_screen(0, 0, SEEK_SET);
}
void tv_bottom(void)
{
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
#endif
tv_move_screen(0, 0, SEEK_END);
if (preferences->vertical_scroll_mode == VS_PAGE)
tv_move_screen(0, -tv_get_screen_pos()->line, SEEK_CUR);
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(false);
#endif
}
unsigned tv_menu(void)
{
unsigned res;
struct tv_screen_pos cur_pos;
off_t cur_file_pos = tv_get_screen_pos()->file_pos;
res = tv_display_menu();
if (res == TV_MENU_RESULT_EXIT_MENU)
{
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
#endif
tv_convert_fpos(cur_file_pos, &cur_pos);
tv_move_screen(cur_pos.page, cur_pos.line, SEEK_SET);
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(false);
#endif
}
else if (res == TV_MENU_RESULT_MOVE_PAGE)
res = TV_MENU_RESULT_EXIT_MENU;
return res;
}
void tv_add_or_remove_bookmark(void)
{
tv_toggle_bookmark();
bookmarks_changed = true;
}
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