OpenModem/bertos/gui/leveledit.c

322 lines
8.0 KiB
C

/**
* \file
* <!--
* This file is part of BeRTOS.
*
* Bertos 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As a special exception, you may use this file as part of a free software
* library without restriction. Specifically, if other files instantiate
* templates or use macros or inline functions from this file, or you compile
* this file and link it with other files to produce an executable, this
* file does not by itself cause the resulting executable to be covered by
* the GNU General Public License. This exception does not however
* invalidate any other reasons why the executable file might be covered by
* the GNU General Public License.
*
* Copyright 2004, 2006 Develer S.r.l. (http://www.develer.com/)
*
* -->
*
* \brief Generic editor for (volume/gain/contrast/...) setting.
*
* \author Stefano Fedrigo <aleph@develer.com>
*/
#include "leveledit.h"
#include "cfg/cfg_menu.h"
#include <cfg/macros.h> /* MAX() */
#include <drv/kbd.h>
#include <drv/timer.h>
#include <gui/levelbar.h>
#include <cpu/pgm.h>
#include <gfx/text.h>
#include <gfx/font.h>
#if CONFIG_MENU_MENUBAR
#include <gui/menubar.h>
#endif
#warning FIXME: Revise me!
#define LBAR_HEIGHT 16
/**
* Allow user to change level.
*/
void level_edit(struct LevelEdit *lev)
{
#if CONFIG_MENU_MENUBAR
/* Labels for menubars */
enum LabelId ch_labels[] = { LABEL_C1PLUS2, LABEL_CH_1, LABEL_CH_2 };
const_iptr_t labels[] =
{
(const_iptr_t)LABEL_BACK,
(const_iptr_t)LABEL_MINUS,
(const_iptr_t)LABEL_PLUS,
(const_iptr_t)LABEL_EMPTY
};
struct MenuBar mb;
#endif /* CONFIG_MENU_MENUBAR */
struct LevelBar bar1, bar2;
keymask_t keys, old_rpt_mask;
int step, rep_step;
rep_step = MAX(lev->step, ((lev->max - lev->min) / 200));
step = lev->step;
// Allow keys repetition.
old_rpt_mask = kbd_setRepeatMask(K_UP | K_DOWN);
text_clear(lev->bitmap);
//text_style(STYLEF_UNDERLINE, STYLEF_UNDERLINE);
text_puts(lev->title, lev->bitmap);
//text_style(0, STYLEF_UNDERLINE);
if (lev->type & LEVELEDIT_DOUBLE)
{
int chn = 0; /* edit both channels */
/* Levelbars init */
lbar_init(&bar1, lev->bitmap, LBAR_HORIZONTAL,
lev->min, lev->max, *lev->ch1_val, 0, 16, lev->bitmap->width / 2 - 1, 23);
lbar_init(&bar2, lev->bitmap, LBAR_HORIZONTAL,
lev->min, lev->max, *lev->ch2_val, lev->bitmap->width / 2 + 1, 16, lev->bitmap->width, 23);
#if CONFIG_MENU_MENUBAR
labels[3] = (const_iptr_t)ch_labels[chn];
mbar_init(&mb, lev->bitmap, labels, countof(labels));
mbar_draw(&mb);
#endif /* CONFIG_MENU_MENUBAR */
/* Input loop for double level setting */
for (;;)
{
#if CONFIG_LEVELEDIT_TIMEOUT != 0
ticks_t idle_timeout = timer_clock();
#endif
do
{
if (lev->display_hook)
lev->display_hook(lev);
else
{
text_xprintf(lev->bitmap, 1, 0, TEXT_CENTER | TEXT_FILL, lev->unit);
PGM_FUNC(text_xprintf)(lev->bitmap, 1, 3, 0, PGM_STR("%d"), *lev->ch1_val);
PGM_FUNC(text_xprintf)(lev->bitmap, 1, 14, 0, PGM_STR("%d"), *lev->ch2_val);
lbar_setLevel(&bar1, *lev->ch1_val);
lbar_setLevel(&bar2, *lev->ch2_val);
lbar_draw(&bar1);
lbar_draw(&bar2);
}
#if CONFIG_LEVELEDIT_TIMEOUT != 0
if (timer_clock() - idle_timeout > ms_to_ticks(CONFIG_LEVELEDIT_TIMEOUT))
{
/* Accept input implicitly */
keys = K_OK;
break;
}
#endif
}
while (!(keys = kbd_peek()));
if (keys & K_CANCEL)
break;
if (keys & K_OK)
{
chn = (chn + 1) % 3;
#if CONFIG_MENU_MENUBAR
labels[3] = (const_iptr_t)ch_labels[chn];
mbar_draw(&mb);
#endif /* CONFIG_MENU_MENUBAR */
}
/* Increment step to achieve greater accelerations on larger values */
if (keys & K_REPEAT)
step = MIN(rep_step, step + 1);
else
step = lev->step;
if (keys & (K_UP | K_DOWN))
{
if (keys & K_UP)
{
/* If changing both channels (chn == 0), don't change
* level if one of two is at min or max */
if (chn != 0 ||
(*lev->ch1_val + step <= lev->max
&& *lev->ch2_val + step <= lev->max))
{
/* If chn == 0 change both channels */
if (chn != 2)
{
*lev->ch1_val += step;
if (*lev->ch1_val > lev->max)
*lev->ch1_val = lev->max;
}
if (chn != 1)
{
*lev->ch2_val += step;
if (*lev->ch2_val > lev->max)
*lev->ch2_val = lev->max;
}
}
}
else
{
if (chn != 0 ||
(*lev->ch1_val - step >= lev->min
&& *lev->ch2_val - step >= lev->min))
{
if (chn != 2)
{
*lev->ch1_val -= step;
if (*lev->ch1_val < lev->min)
*lev->ch1_val = lev->min;
}
if (chn != 1)
{
*lev->ch2_val -= step;
if (*lev->ch2_val < lev->min)
*lev->ch2_val = lev->min;
}
}
}
if (lev->set_hook)
lev->set_hook();
}
} // end for(;;)
}
else
{
const PGM_ATTR char *fmt = lev->unit ? PGM_STR("%d %s") : PGM_STR("%d");
/*
const int textw = MAX(PGM_FUNC(text_widthf)(lev->bitmap, fmt, lev->max, lev->unit),
PGM_FUNC(text_widthf)(lev->bitmap, fmt, lev->min, lev->unit));
const coord_t barlen = lev->bitmap->width - 6 - textw;
*/
const coord_t barlen = lev->bitmap->width;
const coord_t barvtop = lev->bitmap->height / 2 - LBAR_HEIGHT/2 + lev->bitmap->font->height;
lbar_init(&bar1, lev->bitmap, LBAR_HORIZONTAL,
lev->min, lev->max, *lev->ch1_val,
0, barvtop, barlen, barvtop + LBAR_HEIGHT);
#if CONFIG_MENU_MENUBAR
mbar_init(&mb, lev->bitmap, labels, countof(labels));
mbar_draw(&mb);
#endif /* CONFIG_MENU_MENUBAR */
/* Input loop for single level setting */
for (;;)
{
#if CONFIG_LEVELEDIT_TIMEOUT != 0
ticks_t idle_timeout = timer_clock();
#endif
do
{
if (lev->display_hook)
lev->display_hook(lev);
else
{
if (lev->type != LEVELEDIT_NOBAR)
{
lbar_setLevel(&bar1, *lev->ch1_val);
lbar_draw(&bar1);
}
PGM_FUNC(text_xyprintf)(lev->bitmap, 0, bar1.y1 - lev->bitmap->font->height,
TEXT_CENTER | TEXT_FILL, fmt, *lev->ch1_val, lev->unit);
}
#if CONFIG_LEVELEDIT_TIMEOUT != 0
if (timer_clock() - idle_timeout > CONFIG_LEVELEDIT_TIMEOUT)
{
/* Accept input implicitly */
keys = K_CANCEL;
break;
}
#endif
}
while (!(keys = kbd_peek()));
if (keys & K_CANCEL)
break;
/* Increment step to achieve greater accelerations on larger values */
if (keys & K_REPEAT)
step = MIN(rep_step, step + 1);
else
step = lev->step;
if (keys & K_UP)
{
*lev->ch1_val += step;
if (*lev->ch1_val > lev->max)
*lev->ch1_val = lev->max;
}
if (keys & K_DOWN)
{
*lev->ch1_val -= step;
if (*lev->ch1_val < lev->min)
*lev->ch1_val = lev->min;
}
if (lev->set_hook)
lev->set_hook();
}
}
kbd_setRepeatMask(old_rpt_mask);
}
/**
* LevelEdit structure initialization.
* Init data structure and init LevelEdit widgets.
*/
void level_init(struct LevelEdit *lev,
int type,
struct Bitmap *bmp, const char *title, const char *unit,
int min, int max, int step,
int *ch1_val, int *ch2_val,
level_set_callback *set_hook, display_callback *display_hook)
{
lev->type = type;
lev->bitmap = bmp;
lev->title = title;
lev->unit = unit;
lev->min = min;
lev->max = max;
lev->step = step;
lev->ch1_val = ch1_val;
lev->ch2_val = ch2_val;
lev->set_hook = set_hook;
lev->display_hook = display_hook;
}