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rockbox/apps/gui/viewport.c
Thomas Martitz a1b0e165cc Don't set the drawmode twice and simplify two cases in viewport_parse_viewport. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22227 a1c6a512-1295-4272-9138-f99709370657
2009-08-09 18:44:49 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Jonathan Gordon
*
* 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 <stdlib.h>
#include "config.h"
#include "lcd.h"
#include "lcd-remote.h"
#include "font.h"
#include "sprintf.h"
#include "string.h"
#include "settings.h"
#include "kernel.h"
#include "system.h"
#include "misc.h"
#include "viewport.h"
#include "statusbar.h"
#include "screen_access.h"
#include "appevents.h"
#ifdef HAVE_LCD_COLOR
#define LINE_SEL_FROM_SETTINGS(vp) \
do { \
vp->lss_pattern = global_settings.lss_color; \
vp->lse_pattern = global_settings.lse_color; \
vp->lst_pattern = global_settings.lst_color; \
} while (0)
#else
#define LINE_SEL_FROM_SETTINGS(vp)
#endif
#ifdef HAVE_LCD_COLOR
#define FG_FALLBACK global_settings.fg_color
#define BG_FALLBACK global_settings.bg_color
#else
#define FG_FALLBACK LCD_DEFAULT_FG
#define BG_FALLBACK LCD_DEFAULT_FG
#endif
static int statusbar_enabled = 0;
int viewport_get_nb_lines(struct viewport *vp)
{
#ifdef HAVE_LCD_BITMAP
return vp->height/font_get(vp->font)->height;
#else
(void)vp;
return 2;
#endif
}
static bool showing_bars(enum screen_type screen)
{
if (statusbar_enabled & VP_SB_ONSCREEN(screen))
{
#ifdef HAVE_LCD_BITMAP
bool ignore = statusbar_enabled & VP_SB_IGNORE_SETTING(screen);
return ignore || (statusbar_position(screen));
#else
return true;
#endif
}
return false;
}
void viewport_set_defaults(struct viewport *vp, enum screen_type screen)
{
vp->x = 0;
vp->width = screens[screen].lcdwidth;
#ifdef HAVE_LCD_BITMAP
vp->drawmode = DRMODE_SOLID;
vp->font = FONT_UI; /* default to UI to discourage SYSFONT use */
vp->height = screens[screen].lcdheight;
if (statusbar_position(screen) != STATUSBAR_BOTTOM && showing_bars(screen))
vp->y = STATUSBAR_HEIGHT;
else
vp->y = 0;
#else
vp->y = 0;
#endif
vp->height = screens[screen].lcdheight - (showing_bars(screen)?STATUSBAR_HEIGHT:0);
#if LCD_DEPTH > 1
#ifdef HAVE_REMOTE_LCD
/* We only need this test if there is a remote LCD */
if (screen == SCREEN_MAIN)
#endif
{
vp->fg_pattern = FG_FALLBACK;
vp->bg_pattern = BG_FALLBACK;
LINE_SEL_FROM_SETTINGS(vp);
}
#endif
#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
if (screen == SCREEN_REMOTE)
{
vp->fg_pattern = LCD_REMOTE_DEFAULT_FG;
vp->bg_pattern = LCD_REMOTE_DEFAULT_BG;
}
#endif
}
int viewportmanager_set_statusbar(int enabled)
{
int old = statusbar_enabled;
statusbar_enabled = enabled;
if (enabled)
{
int i;
FOR_NB_SCREENS(i)
{
if (showing_bars(i))
gui_statusbar_draw(&statusbars.statusbars[i], true);
}
add_event(GUI_EVENT_ACTIONUPDATE, false, viewportmanager_draw_statusbars);
}
else
{
remove_event(GUI_EVENT_ACTIONUPDATE, viewportmanager_draw_statusbars);
}
return old;
}
void viewportmanager_draw_statusbars(void* data)
{
int i;
FOR_NB_SCREENS(i)
{
if (showing_bars(i))
gui_statusbar_draw(&statusbars.statusbars[i], (bool)data);
}
}
void viewportmanager_statusbar_changed(void* data)
{
(void)data;
statusbar_enabled = 0;
if (global_settings.statusbar != STATUSBAR_OFF)
statusbar_enabled = VP_SB_ONSCREEN(SCREEN_MAIN);
#ifdef HAVE_REMOTE_LCD
if (global_settings.remote_statusbar != STATUSBAR_OFF)
statusbar_enabled |= VP_SB_ONSCREEN(SCREEN_REMOTE);
#endif
viewportmanager_set_statusbar(statusbar_enabled);
}
#ifdef HAVE_LCD_COLOR
#define ARG_STRING (depth == 2 ? "dddddgg":"dddddcc")
#else
#define ARG_STRING "dddddcc"
#endif
#ifdef HAVE_LCD_BITMAP
const char* viewport_parse_viewport(struct viewport *vp,
enum screen_type screen,
const char *bufptr,
const char separator)
{
/* parse the list to the viewport struct */
const char *ptr = bufptr;
int depth;
uint32_t set = 0;
enum {
PL_X = 0,
PL_Y,
PL_WIDTH,
PL_HEIGHT,
PL_FONT,
PL_FG,
PL_BG,
};
/* Work out the depth of this display */
depth = screens[screen].depth;
#if (LCD_DEPTH == 1) || (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH == 1)
if (depth == 1)
{
if (!(ptr = parse_list("ddddd", &set, separator, ptr,
&vp->x, &vp->y, &vp->width, &vp->height, &vp->font)))
return VP_ERROR;
}
else
#endif
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1)
if (depth >= 2)
{
if (!(ptr = parse_list(ARG_STRING, &set, separator, ptr,
&vp->x, &vp->y, &vp->width, &vp->height, &vp->font,
&vp->fg_pattern,&vp->bg_pattern)))
return VP_ERROR;
}
else
#undef ARG_STRING
#endif
{}
/* X and Y *must* be set */
if (!LIST_VALUE_PARSED(set, PL_X) || !LIST_VALUE_PARSED(set, PL_Y))
return VP_ERROR;
/* fix defaults */
if (!LIST_VALUE_PARSED(set, PL_WIDTH))
vp->width = screens[screen].lcdwidth - vp->x;
if (!LIST_VALUE_PARSED(set, PL_HEIGHT))
vp->height = screens[screen].lcdheight - vp->y;
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1)
if (!LIST_VALUE_PARSED(set, PL_FG))
vp->fg_pattern = FG_FALLBACK;
if (!LIST_VALUE_PARSED(set, PL_BG))
vp->bg_pattern = BG_FALLBACK;
#endif /* LCD_DEPTH > 1 || LCD_REMOTE_DEPTH > 1 */
LINE_SEL_FROM_SETTINGS(vp);
/* Validate the viewport dimensions - we know that the numbers are
non-negative integers, ignore bars and assume the viewport takes them
* into account */
if ((vp->x >= screens[screen].lcdwidth) ||
((vp->x + vp->width) > screens[screen].lcdwidth) ||
(vp->y >= screens[screen].lcdheight) ||
((vp->y + vp->height) > screens[screen].lcdheight))
{
return VP_ERROR;
}
/* Default to using the user font if the font was an invalid number or '-'*/
if (((vp->font != FONT_SYSFIXED) && (vp->font != FONT_UI))
|| !LIST_VALUE_PARSED(set, PL_FONT)
)
vp->font = FONT_UI;
/* Set the defaults for fields not user-specified */
vp->drawmode = DRMODE_SOLID;
return ptr;
}
#endif /* HAVE_LCD_BITMAP */
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