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