--- /dev/null
+/**
+ * \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.
+ *
+ * \version $Id$
+ * \author Stefano Fedrigo <aleph@develer.com>
+ */
+
+#include "leveledit.h"
+
+#include <cfg/macros.h> /* MAX() */
+#include <drv/kbd.h>
+#include <drv/timer.h>
+#include <gui/levelbar.h>
+#include <mware/pgm.h>
+#include <gfx/text.h>
+#include <gfx/font.h>
+#include <appconfig.h>
+
+#if CONFIG_MENU_MENUBAR
+#include <gui/menubar.h>
+#endif
+
+// BEGIN project_grl LOCAL
+#include <drv/lcd_gfx.h>
+#include <gui/guiman.h>
+// END project_grl LOCAL
+
+#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
+
+// BEGIN project_grl LOCAL
+#if 1
+ //FIXME: must to this only when needed
+ lcd_blitBitmap(&lcd_bitmap);
+ }
+ while (!(keys = GuiMan_KbdPeek()));
+#else
+ }
+ while (!(keys = kbd_peek()));
+#endif
+// END project_grl LOCAL
+
+ 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;
+}