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rockbox/apps/plugins/test_viewports.c
Thomas Martitz abdc5935be Introduce plugin_crt0.c that every plugin links. 
It handles exit() properly, calling the handler also when the plugin returns
normally (also it makes exit() more standard compliant while at it).
It also holds PLUGIN_HEADER, so that it doesn't need to be in each plugin anymore.

To work better together with callbacks passed to rb->default_event_handler_ex introduce exit_on_usb() which will call the exit handler before showing the usb screen and exit() after it.
In most cases it was passed a callback which was manually called at all other return points. This can now be done via atexit().

In future plugin_crt0.c could also handle clearing bss, initializing iram and more.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27862 a1c6a512-1295-4272-9138-f99709370657
2010-08-23 16:56:49 +00:00

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7.1 KiB
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 Dave Chapman
*
* 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"
#ifdef HAVE_LCD_BITMAP
#ifdef HAVE_LCD_COLOR
#define BGCOLOR_1 LCD_RGBPACK(255,255,0)
#define BGCOLOR_2 LCD_RGBPACK(0,255,0)
#define FGCOLOR_1 LCD_RGBPACK(0,0,255)
#elif LCD_DEPTH > 1
#define BGCOLOR_1 LCD_DARKGRAY
#define BGCOLOR_2 LCD_LIGHTGRAY
#define FGCOLOR_1 LCD_WHITE
#endif
static struct viewport vp0 =
{
.x = 0,
.y = 0,
.width = LCD_WIDTH,
.height = 20,
.font = FONT_UI,
.drawmode = DRMODE_SOLID,
#if LCD_DEPTH > 1
.fg_pattern = LCD_DEFAULT_FG,
.bg_pattern = BGCOLOR_1,
#endif
#ifdef HAVE_LCD_COLOR
.lss_pattern = LCD_DEFAULT_BG,
.lse_pattern = LCD_DEFAULT_BG,
.lst_pattern = LCD_DEFAULT_BG,
#endif
};
static struct viewport vp1 =
{
.x = LCD_WIDTH / 10,
.y = 20,
.width = LCD_WIDTH / 3,
.height = LCD_HEIGHT / 2,
.font = FONT_SYSFIXED,
.drawmode = DRMODE_SOLID,
#if LCD_DEPTH > 1
.fg_pattern = LCD_DEFAULT_FG,
.bg_pattern = LCD_DEFAULT_BG,
#ifdef HAVE_LCD_COLOR
.lss_pattern = LCD_DEFAULT_BG,
.lse_pattern = LCD_DEFAULT_BG,
.lst_pattern = LCD_DEFAULT_BG,
#endif
#endif
};
static struct viewport vp2 =
{
.x = LCD_WIDTH / 2,
.y = 40,
.width = LCD_WIDTH / 3,
.height = (LCD_HEIGHT / 2),
.font = FONT_UI,
.drawmode = DRMODE_SOLID,
#if LCD_DEPTH > 1
.fg_pattern = FGCOLOR_1,
.bg_pattern = BGCOLOR_2,
#ifdef HAVE_LCD_COLOR
.lss_pattern = LCD_DEFAULT_BG,
.lse_pattern = LCD_DEFAULT_BG,
.lst_pattern = LCD_DEFAULT_BG,
#endif
#endif
};
static struct viewport vp3 =
{
.x = LCD_WIDTH / 4,
.y = (5 * LCD_HEIGHT) / 8,
.width = LCD_WIDTH / 2,
.height = (LCD_HEIGHT / 4),
.font = FONT_SYSFIXED,
.drawmode = DRMODE_SOLID,
#if LCD_DEPTH > 1
.fg_pattern = LCD_BLACK,
.bg_pattern = LCD_WHITE,
#ifdef HAVE_LCD_COLOR
.lss_pattern = LCD_DEFAULT_BG,
.lse_pattern = LCD_DEFAULT_BG,
.lst_pattern = LCD_DEFAULT_BG,
#endif
#endif
};
#ifdef HAVE_REMOTE_LCD
static struct viewport rvp0 =
{
.x = 0,
.y = 10,
.width = LCD_REMOTE_WIDTH / 3,
.height = LCD_REMOTE_HEIGHT - 10,
.font = FONT_SYSFIXED,
.drawmode = DRMODE_SOLID,
#if LCD_REMOTE_DEPTH > 1
.fg_pattern = LCD_REMOTE_BLACK,
.bg_pattern = LCD_REMOTE_LIGHTGRAY,
#endif
};
static struct viewport rvp1 =
{
.x = LCD_REMOTE_WIDTH / 2,
.y = 0,
.width = LCD_REMOTE_WIDTH / 3,
.height = LCD_REMOTE_HEIGHT - 10,
.font = FONT_SYSFIXED,
.drawmode = DRMODE_SOLID,
#if LCD_REMOTE_DEPTH > 1
.fg_pattern = LCD_REMOTE_DEFAULT_FG,
.bg_pattern = LCD_REMOTE_DEFAULT_BG
#endif
};
#endif
enum plugin_status plugin_start(const void* parameter)
{
(void)parameter;
char buf[80];
int i,y;
rb->screens[SCREEN_MAIN]->set_viewport(&vp0);
rb->screens[SCREEN_MAIN]->clear_viewport();
rb->screens[SCREEN_MAIN]->puts_scroll(0,0,"Viewport testing plugin - this is a scrolling title");
rb->screens[SCREEN_MAIN]->set_viewport(&vp1);
rb->screens[SCREEN_MAIN]->clear_viewport();
for (i = 0 ; i < 3; i++)
{
rb->snprintf(buf,sizeof(buf),"Left text, scrolling_line %d",i);
rb->screens[SCREEN_MAIN]->puts_scroll(0,i,buf);
}
rb->screens[SCREEN_MAIN]->set_viewport(&vp2);
rb->screens[SCREEN_MAIN]->clear_viewport();
for (i = 1 ; i < 3; i++)
{
rb->snprintf(buf,sizeof(buf),"Right text, scrolling line %d",i);
rb->screens[SCREEN_MAIN]->puts_scroll(1,i,buf);
}
y = -10;
for (i = -10; i < vp2.width + 10; i += 5)
{
rb->screens[SCREEN_MAIN]->drawline(i, y, i, vp2.height - y);
}
rb->screens[SCREEN_MAIN]->set_viewport(&vp3);
rb->screens[SCREEN_MAIN]->clear_viewport();
for (i = 1 ; i < 2; i++)
{
rb->snprintf(buf,sizeof(buf),"Bottom text, a scrolling line %d",i);
rb->screens[SCREEN_MAIN]->puts_scroll(2,i,buf);
}
rb->screens[SCREEN_MAIN]->puts_scroll(4,i,"Short line");
rb->screens[SCREEN_MAIN]->update();
#ifdef HAVE_REMOTE_LCD
rb->screens[SCREEN_REMOTE]->set_viewport(&rvp0);
rb->screens[SCREEN_REMOTE]->clear_viewport();
for (i = 0 ; i < 5; i++)
{
rb->snprintf(buf,sizeof(buf),"Left text, scrolling_line %d",i);
rb->screens[SCREEN_REMOTE]->puts_scroll(0,i,buf);
}
rb->screens[SCREEN_REMOTE]->puts(1,i,"Static");
rb->screens[SCREEN_REMOTE]->set_viewport(&rvp1);
rb->screens[SCREEN_REMOTE]->clear_viewport();
for (i = 1 ; i < 3; i++)
{
rb->snprintf(buf,sizeof(buf),"Right text, scrolling line %d",i);
rb->screens[SCREEN_REMOTE]->puts_scroll(1,i,buf);
}
y = -10;
for (i = -10; i < rvp1.width + 10; i += 5)
{
rb->screens[SCREEN_REMOTE]->drawline(i, y, i, rvp1.height - y);
}
rb->screens[SCREEN_REMOTE]->update();
#endif
rb->button_get(true);
/* Restore the default viewport */
rb->screens[SCREEN_MAIN]->set_viewport(NULL);
#ifdef HAVE_REMOTE_LCD
rb->screens[SCREEN_REMOTE]->set_viewport(NULL);
#endif
return PLUGIN_OK;
}
#else
/* Charcell version of plugin */
static struct viewport vp0 =
{
.x = 0,
.y = 0,
.width = 5,
.height = 1,
};
static struct viewport vp1 =
{
.x = 6,
.y = 0,
.width = 5,
.height = 1,
};
static struct viewport vp2 =
{
.x = 0,
.y = 1,
.width = LCD_WIDTH,
.height = 1,
};
enum plugin_status plugin_start(const void* parameter)
{
(void)parameter;
rb->screens[SCREEN_MAIN]->set_viewport(&vp0);
rb->screens[SCREEN_MAIN]->clear_viewport();
rb->screens[SCREEN_MAIN]->puts_scroll(0,0,"Rockbox");
rb->screens[SCREEN_MAIN]->set_viewport(&vp1);
rb->screens[SCREEN_MAIN]->clear_viewport();
rb->screens[SCREEN_MAIN]->puts_scroll(0,0,"Viewports");
rb->screens[SCREEN_MAIN]->set_viewport(&vp2);
rb->screens[SCREEN_MAIN]->clear_viewport();
rb->screens[SCREEN_MAIN]->puts_scroll(0,0,"Demonstration");
rb->screens[SCREEN_MAIN]->update();
rb->button_get(true);
/* Restore the default viewport */
rb->screens[SCREEN_MAIN]->set_viewport(NULL);
return PLUGIN_OK;
}
#endif /* !HAVE_LCD_BITMAP */
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