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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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119
apps/plugins/text_viewer/tv_preferences.c Normal 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_preferences.h"
static struct tv_preferences prefs;
static bool is_initialized = false;
static int listner_count = 0;
#define TV_MAX_LISTNERS 4
static void (*listners[TV_MAX_LISTNERS])(const struct tv_preferences *oldp);
static void tv_notify_change_preferences(const struct tv_preferences *oldp,
const struct tv_preferences *newp)
{
int i;
/*
* the following items do not check.
* - alignment
* - scroll_mode
* - page_mode
* - font
* - autoscroll_speed
*/
if ((oldp == NULL) ||
(oldp->word_mode != newp->word_mode) ||
(oldp->line_mode != newp->line_mode) ||
(oldp->view_mode != newp->view_mode) ||
(oldp->scrollbar_mode != newp->scrollbar_mode) ||
(oldp->encoding != newp->encoding) ||
#ifdef HAVE_LCD_BITMAP
(oldp->header_mode != newp->header_mode) ||
(oldp->footer_mode != newp->footer_mode) ||
(rb->strcmp(oldp->font_name, newp->font_name)) ||
#endif
(rb->strcmp(oldp->file_name, newp->file_name)))
{
for (i = listner_count - 1; i >= 0; i--)
listners[i](oldp);
}
}
const struct tv_preferences *tv_get_preferences(void)
{
return &prefs;
}
void tv_set_preferences(const struct tv_preferences *new_prefs)
{
struct tv_preferences *oldp = NULL;
struct tv_preferences old_prefs;
if (!is_initialized)
is_initialized = true;
else
{
old_prefs = prefs;
oldp = &old_prefs;
}
rb->memcpy(&prefs, new_prefs, sizeof(struct tv_preferences));
tv_notify_change_preferences(oldp, &prefs);
}
void tv_copy_preferences(struct tv_preferences *copy_prefs)
{
rb->memcpy(copy_prefs, &prefs, sizeof(struct tv_preferences));
}
void tv_set_default_preferences(struct tv_preferences *p)
{
p->word_mode = WRAP;
p->line_mode = NORMAL;
p->view_mode = NARROW;
p->alignment = LEFT;
p->scroll_mode = PAGE;
p->page_mode = NO_OVERLAP;
p->scrollbar_mode = SB_OFF;
rb->memset(p->font_name, 0, MAX_PATH);
#ifdef HAVE_LCD_BITMAP
p->header_mode = HD_BOTH;
p->footer_mode = FT_BOTH;
rb->strlcpy(p->font_name, rb->global_settings->font_file, MAX_PATH);
p->font = rb->font_get(FONT_UI);
#else
p->header_mode = HD_NONE;
p->footer_mode = FT_NONE;
#endif
p->autoscroll_speed = 1;
/* Set codepage to system default */
p->encoding = rb->global_settings->default_codepage;
p->file_name[0] = '\0';
}
void tv_add_preferences_change_listner(void (*listner)(const struct tv_preferences *oldp))
{
if (listner_count < TV_MAX_LISTNERS)
listners[listner_count++] = listner;
}