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reworks text viewer plugin. (FS#11209)

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new text viewer plugin: text_viewer.rock.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26571 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Yoshihisa Uchida 2010-06-05 10:30:08 +00:00
parent 991e92fd3d
commit fdba840450
30 changed files with 4798 additions and 2 deletions
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210
apps/plugins/text_viewer/text_viewer.c Normal file
View file

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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_button.h"
#include "tv_preferences.h"
PLUGIN_HEADER
enum plugin_status plugin_start(const void* file)
{
int button;
int lastbutton = BUTTON_NONE;
bool autoscroll = false;
long old_tick;
bool done = false;
bool display_update = true;
const struct tv_preferences *prefs = tv_get_preferences();
old_tick = *rb->current_tick;
if (!file)
return PLUGIN_ERROR;
if (!tv_init(file)) {
rb->splash(HZ, "Error opening file");
return PLUGIN_ERROR;
}
#if LCD_DEPTH > 1
rb->lcd_set_backdrop(NULL);
#endif
while (!done) {
if (display_update)
tv_draw();
display_update = true;
button = rb->button_get_w_tmo(HZ/10);
switch (button) {
case TV_MENU:
#ifdef TV_MENU2
case TV_MENU2:
#endif
{
enum tv_menu_result res = tv_menu();
if (res != TV_MENU_RESULT_EXIT_MENU)
{
tv_exit(NULL);
done = true;
if (res == TV_MENU_RESULT_ATTACHED_USB)
return PLUGIN_USB_CONNECTED;
}
}
break;
case TV_AUTOSCROLL:
#ifdef TV_AUTOSCROLL_PRE
if (lastbutton != TV_AUTOSCROLL_PRE)
break;
#endif
autoscroll = !autoscroll;
break;
case TV_SCROLL_UP:
case TV_SCROLL_UP | BUTTON_REPEAT:
#ifdef TV_SCROLL_UP2
case TV_SCROLL_UP2:
case TV_SCROLL_UP2 | BUTTON_REPEAT:
#endif
tv_scroll_up(TV_VERTICAL_SCROLL_PREFS);
old_tick = *rb->current_tick;
break;
case TV_SCROLL_DOWN:
case TV_SCROLL_DOWN | BUTTON_REPEAT:
#ifdef TV_PAGE_DOWN2
case TV_SCROLL_DOWN2:
case TV_SCROLL_DOWN2 | BUTTON_REPEAT:
#endif
tv_scroll_down(TV_VERTICAL_SCROLL_PREFS);
old_tick = *rb->current_tick;
break;
case TV_SCREEN_LEFT:
case TV_SCREEN_LEFT | BUTTON_REPEAT:
if (prefs->view_mode == WIDE)
{
/* Screen left */
tv_scroll_left(TV_HORIZONTAL_SCROLL_WINDOW);
}
else { /* prefs->view_mode == NARROW */
/* scroll to previous page */
tv_scroll_up(TV_VERTICAL_SCROLL_PAGE);
#if 0
/* Top of file */
tv_top();
#endif
}
break;
case TV_SCREEN_RIGHT:
case TV_SCREEN_RIGHT | BUTTON_REPEAT:
if (prefs->view_mode == WIDE)
{
/* Screen right */
tv_scroll_right(TV_HORIZONTAL_SCROLL_WINDOW);
}
else { /* prefs->view_mode == NARROW */
/* scroll to next page */
tv_scroll_down(TV_VERTICAL_SCROLL_PAGE);
#if 0
/* Bottom of file */
tv_bottom();
#endif
}
break;
#ifdef TV_LINE_UP
case TV_LINE_UP:
case TV_LINE_UP | BUTTON_REPEAT:
/* Scroll up one line */
tv_scroll_up(TV_VERTICAL_SCROLL_LINE);
old_tick = *rb->current_tick;
break;
case TV_LINE_DOWN:
case TV_LINE_DOWN | BUTTON_REPEAT:
/* Scroll down one line */
tv_scroll_down(TV_VERTICAL_SCROLL_LINE);
old_tick = *rb->current_tick;
break;
#endif
#ifdef TV_COLUMN_LEFT
case TV_COLUMN_LEFT:
case TV_COLUMN_LEFT | BUTTON_REPEAT:
/* Scroll left one column */
tv_scroll_left(TV_HORIZONTAL_SCROLL_COLUMN);
break;
case TV_COLUMN_RIGHT:
case TV_COLUMN_RIGHT | BUTTON_REPEAT:
/* Scroll right one column */
tv_scroll_right(TV_HORIZONTAL_SCROLL_COLUMN);
break;
#endif
#ifdef TV_RC_QUIT
case TV_RC_QUIT:
#endif
case TV_QUIT:
#ifdef TV_QUIT2
case TV_QUIT2:
#endif
tv_exit(NULL);
done = true;
break;
case TV_BOOKMARK:
tv_add_or_remove_bookmark();
break;
default:
if (rb->default_event_handler_ex(button, tv_exit, NULL)
== SYS_USB_CONNECTED)
return PLUGIN_USB_CONNECTED;
display_update = false;
break;
}
if (button != BUTTON_NONE)
{
lastbutton = button;
rb->yield();
}
if (autoscroll)
{
if(old_tick <= *rb->current_tick - (110 - prefs->autoscroll_speed * 10))
{
tv_scroll_down(TV_VERTICAL_SCROLL_PREFS);
old_tick = *rb->current_tick;
display_update = true;
}
}
}
return PLUGIN_OK;
}