4 * This file is part of BeRTOS.
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
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18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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21 * library without restriction. Specifically, if other files instantiate
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29 * Copyright 2004, 2006 Develer S.r.l. (http://www.develer.com/)
33 * \brief Generic editor for (volume/gain/contrast/...) setting.
36 * \author Stefano Fedrigo <aleph@develer.com>
39 #include "leveledit.h"
41 #include "cfg/cfg_gfx.h"
42 #include <cfg/macros.h> /* MAX() */
45 #include <drv/timer.h>
47 #include <gui/levelbar.h>
54 #if CONFIG_MENU_MENUBAR
55 #include <gui/menubar.h>
58 #include <drv/lcd_gfx.h>
60 #warning FIXME: Revise me!
62 #define LBAR_HEIGHT 16
65 * Allow user to change level.
67 void level_edit(struct LevelEdit *lev)
69 #if CONFIG_MENU_MENUBAR
70 /* Labels for menubars */
71 enum LabelId ch_labels[] = { LABEL_C1PLUS2, LABEL_CH_1, LABEL_CH_2 };
72 const_iptr_t labels[] =
74 (const_iptr_t)LABEL_BACK,
75 (const_iptr_t)LABEL_MINUS,
76 (const_iptr_t)LABEL_PLUS,
77 (const_iptr_t)LABEL_EMPTY
80 #endif /* CONFIG_MENU_MENUBAR */
82 struct LevelBar bar1, bar2;
83 keymask_t keys, old_rpt_mask;
86 rep_step = MAX(lev->step, ((lev->max - lev->min) / 200));
89 // Allow keys repetition.
90 old_rpt_mask = kbd_setRepeatMask(K_UP | K_DOWN);
92 text_clear(lev->bitmap);
93 //text_style(STYLEF_UNDERLINE, STYLEF_UNDERLINE);
94 text_puts(lev->title, lev->bitmap);
95 //text_style(0, STYLEF_UNDERLINE);
97 if (lev->type & LEVELEDIT_DOUBLE)
99 int chn = 0; /* edit both channels */
102 lbar_init(&bar1, lev->bitmap, LBAR_HORIZONTAL,
103 lev->min, lev->max, *lev->ch1_val, 0, 16, lev->bitmap->width / 2 - 1, 23);
104 lbar_init(&bar2, lev->bitmap, LBAR_HORIZONTAL,
105 lev->min, lev->max, *lev->ch2_val, lev->bitmap->width / 2 + 1, 16, lev->bitmap->width, 23);
107 #if CONFIG_MENU_MENUBAR
108 labels[3] = (const_iptr_t)ch_labels[chn];
109 mbar_init(&mb, lev->bitmap, labels, countof(labels));
111 #endif /* CONFIG_MENU_MENUBAR */
113 /* Input loop for double level setting */
116 #if CONFIG_LEVELEDIT_TIMEOUT != 0
117 ticks_t idle_timeout = timer_clock();
121 if (lev->display_hook)
122 lev->display_hook(lev);
125 text_xprintf(lev->bitmap, 1, 0, TEXT_CENTER | TEXT_FILL, lev->unit);
126 PGM_FUNC(text_xprintf)(lev->bitmap, 1, 3, 0, PGM_STR("%d"), *lev->ch1_val);
127 PGM_FUNC(text_xprintf)(lev->bitmap, 1, 14, 0, PGM_STR("%d"), *lev->ch2_val);
129 lbar_setLevel(&bar1, *lev->ch1_val);
130 lbar_setLevel(&bar2, *lev->ch2_val);
135 #if CONFIG_LEVELEDIT_TIMEOUT != 0
136 if (timer_clock() - idle_timeout > ms_to_ticks(CONFIG_LEVELEDIT_TIMEOUT))
138 /* Accept input implicitly */
144 while (!(keys = kbd_peek()));
153 #if CONFIG_MENU_MENUBAR
154 labels[3] = (const_iptr_t)ch_labels[chn];
156 #endif /* CONFIG_MENU_MENUBAR */
159 /* Increment step to achieve greater accelerations on larger values */
161 step = MIN(rep_step, step + 1);
165 if (keys & (K_UP | K_DOWN))
169 /* If changing both channels (chn == 0), don't change
170 * level if one of two is at min or max */
172 (*lev->ch1_val + step <= lev->max
173 && *lev->ch2_val + step <= lev->max))
175 /* If chn == 0 change both channels */
178 *lev->ch1_val += step;
179 if (*lev->ch1_val > lev->max)
180 *lev->ch1_val = lev->max;
184 *lev->ch2_val += step;
185 if (*lev->ch2_val > lev->max)
186 *lev->ch2_val = lev->max;
193 (*lev->ch1_val - step >= lev->min
194 && *lev->ch2_val - step >= lev->min))
198 *lev->ch1_val -= step;
199 if (*lev->ch1_val < lev->min)
200 *lev->ch1_val = lev->min;
204 *lev->ch2_val -= step;
205 if (*lev->ch2_val < lev->min)
206 *lev->ch2_val = lev->min;
218 const PGM_ATTR char *fmt = lev->unit ? PGM_STR("%d %s") : PGM_STR("%d");
221 const int textw = MAX(PGM_FUNC(text_widthf)(lev->bitmap, fmt, lev->max, lev->unit),
222 PGM_FUNC(text_widthf)(lev->bitmap, fmt, lev->min, lev->unit));
224 const coord_t barlen = lev->bitmap->width - 6 - textw;
226 const coord_t barlen = lev->bitmap->width;
227 const coord_t barvtop = lev->bitmap->height / 2 - LBAR_HEIGHT/2 + lev->bitmap->font->height;
228 lbar_init(&bar1, lev->bitmap, LBAR_HORIZONTAL,
229 lev->min, lev->max, *lev->ch1_val,
230 0, barvtop, barlen, barvtop + LBAR_HEIGHT);
232 #if CONFIG_MENU_MENUBAR
233 mbar_init(&mb, lev->bitmap, labels, countof(labels));
235 #endif /* CONFIG_MENU_MENUBAR */
237 /* Input loop for single level setting */
240 #if CONFIG_LEVELEDIT_TIMEOUT != 0
241 ticks_t idle_timeout = timer_clock();
245 if (lev->display_hook)
246 lev->display_hook(lev);
249 if (lev->type != LEVELEDIT_NOBAR)
251 lbar_setLevel(&bar1, *lev->ch1_val);
254 PGM_FUNC(text_xyprintf)(lev->bitmap, 0, bar1.y1 - lev->bitmap->font->height,
255 TEXT_CENTER | TEXT_FILL, fmt, *lev->ch1_val, lev->unit);
258 #if CONFIG_LEVELEDIT_TIMEOUT != 0
259 if (timer_clock() - idle_timeout > CONFIG_LEVELEDIT_TIMEOUT)
261 /* Accept input implicitly */
268 while (!(keys = kbd_peek()));
273 /* Increment step to achieve greater accelerations on larger values */
275 step = MIN(rep_step, step + 1);
281 *lev->ch1_val += step;
282 if (*lev->ch1_val > lev->max)
283 *lev->ch1_val = lev->max;
288 *lev->ch1_val -= step;
289 if (*lev->ch1_val < lev->min)
290 *lev->ch1_val = lev->min;
298 kbd_setRepeatMask(old_rpt_mask);
302 * LevelEdit structure initialization.
303 * Init data structure and init LevelEdit widgets.
305 void level_init(struct LevelEdit *lev,
307 struct Bitmap *bmp, const char *title, const char *unit,
308 int min, int max, int step,
309 int *ch1_val, int *ch2_val,
310 level_set_callback *set_hook, display_callback *display_hook)
320 lev->ch1_val = ch1_val;
321 lev->ch2_val = ch2_val;
322 lev->set_hook = set_hook;
323 lev->display_hook = display_hook;