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.
35 * \author Stefano Fedrigo <aleph@develer.com>
38 #include "leveledit.h"
40 #include "cfg/cfg_gfx.h"
41 #include <cfg/macros.h> /* MAX() */
44 #include <drv/timer.h>
46 #include <gui/levelbar.h>
53 #if CONFIG_MENU_MENUBAR
54 #include <gui/menubar.h>
57 #include <drv/lcd_gfx.h>
59 #warning FIXME: Revise me!
61 #define LBAR_HEIGHT 16
64 * Allow user to change level.
66 void level_edit(struct LevelEdit *lev)
68 #if CONFIG_MENU_MENUBAR
69 /* Labels for menubars */
70 enum LabelId ch_labels[] = { LABEL_C1PLUS2, LABEL_CH_1, LABEL_CH_2 };
71 const_iptr_t labels[] =
73 (const_iptr_t)LABEL_BACK,
74 (const_iptr_t)LABEL_MINUS,
75 (const_iptr_t)LABEL_PLUS,
76 (const_iptr_t)LABEL_EMPTY
79 #endif /* CONFIG_MENU_MENUBAR */
81 struct LevelBar bar1, bar2;
82 keymask_t keys, old_rpt_mask;
85 rep_step = MAX(lev->step, ((lev->max - lev->min) / 200));
88 // Allow keys repetition.
89 old_rpt_mask = kbd_setRepeatMask(K_UP | K_DOWN);
91 text_clear(lev->bitmap);
92 //text_style(STYLEF_UNDERLINE, STYLEF_UNDERLINE);
93 text_puts(lev->title, lev->bitmap);
94 //text_style(0, STYLEF_UNDERLINE);
96 if (lev->type & LEVELEDIT_DOUBLE)
98 int chn = 0; /* edit both channels */
101 lbar_init(&bar1, lev->bitmap, LBAR_HORIZONTAL,
102 lev->min, lev->max, *lev->ch1_val, 0, 16, lev->bitmap->width / 2 - 1, 23);
103 lbar_init(&bar2, lev->bitmap, LBAR_HORIZONTAL,
104 lev->min, lev->max, *lev->ch2_val, lev->bitmap->width / 2 + 1, 16, lev->bitmap->width, 23);
106 #if CONFIG_MENU_MENUBAR
107 labels[3] = (const_iptr_t)ch_labels[chn];
108 mbar_init(&mb, lev->bitmap, labels, countof(labels));
110 #endif /* CONFIG_MENU_MENUBAR */
112 /* Input loop for double level setting */
115 #if CONFIG_LEVELEDIT_TIMEOUT != 0
116 ticks_t idle_timeout = timer_clock();
120 if (lev->display_hook)
121 lev->display_hook(lev);
124 text_xprintf(lev->bitmap, 1, 0, TEXT_CENTER | TEXT_FILL, lev->unit);
125 PGM_FUNC(text_xprintf)(lev->bitmap, 1, 3, 0, PGM_STR("%d"), *lev->ch1_val);
126 PGM_FUNC(text_xprintf)(lev->bitmap, 1, 14, 0, PGM_STR("%d"), *lev->ch2_val);
128 lbar_setLevel(&bar1, *lev->ch1_val);
129 lbar_setLevel(&bar2, *lev->ch2_val);
134 #if CONFIG_LEVELEDIT_TIMEOUT != 0
135 if (timer_clock() - idle_timeout > ms_to_ticks(CONFIG_LEVELEDIT_TIMEOUT))
137 /* Accept input implicitly */
143 while (!(keys = kbd_peek()));
152 #if CONFIG_MENU_MENUBAR
153 labels[3] = (const_iptr_t)ch_labels[chn];
155 #endif /* CONFIG_MENU_MENUBAR */
158 /* Increment step to achieve greater accelerations on larger values */
160 step = MIN(rep_step, step + 1);
164 if (keys & (K_UP | K_DOWN))
168 /* If changing both channels (chn == 0), don't change
169 * level if one of two is at min or max */
171 (*lev->ch1_val + step <= lev->max
172 && *lev->ch2_val + step <= lev->max))
174 /* If chn == 0 change both channels */
177 *lev->ch1_val += step;
178 if (*lev->ch1_val > lev->max)
179 *lev->ch1_val = lev->max;
183 *lev->ch2_val += step;
184 if (*lev->ch2_val > lev->max)
185 *lev->ch2_val = lev->max;
192 (*lev->ch1_val - step >= lev->min
193 && *lev->ch2_val - step >= lev->min))
197 *lev->ch1_val -= step;
198 if (*lev->ch1_val < lev->min)
199 *lev->ch1_val = lev->min;
203 *lev->ch2_val -= step;
204 if (*lev->ch2_val < lev->min)
205 *lev->ch2_val = lev->min;
217 const PGM_ATTR char *fmt = lev->unit ? PGM_STR("%d %s") : PGM_STR("%d");
220 const int textw = MAX(PGM_FUNC(text_widthf)(lev->bitmap, fmt, lev->max, lev->unit),
221 PGM_FUNC(text_widthf)(lev->bitmap, fmt, lev->min, lev->unit));
223 const coord_t barlen = lev->bitmap->width - 6 - textw;
225 const coord_t barlen = lev->bitmap->width;
226 const coord_t barvtop = lev->bitmap->height / 2 - LBAR_HEIGHT/2 + lev->bitmap->font->height;
227 lbar_init(&bar1, lev->bitmap, LBAR_HORIZONTAL,
228 lev->min, lev->max, *lev->ch1_val,
229 0, barvtop, barlen, barvtop + LBAR_HEIGHT);
231 #if CONFIG_MENU_MENUBAR
232 mbar_init(&mb, lev->bitmap, labels, countof(labels));
234 #endif /* CONFIG_MENU_MENUBAR */
236 /* Input loop for single level setting */
239 #if CONFIG_LEVELEDIT_TIMEOUT != 0
240 ticks_t idle_timeout = timer_clock();
244 if (lev->display_hook)
245 lev->display_hook(lev);
248 if (lev->type != LEVELEDIT_NOBAR)
250 lbar_setLevel(&bar1, *lev->ch1_val);
253 PGM_FUNC(text_xyprintf)(lev->bitmap, 0, bar1.y1 - lev->bitmap->font->height,
254 TEXT_CENTER | TEXT_FILL, fmt, *lev->ch1_val, lev->unit);
257 #if CONFIG_LEVELEDIT_TIMEOUT != 0
258 if (timer_clock() - idle_timeout > CONFIG_LEVELEDIT_TIMEOUT)
260 /* Accept input implicitly */
267 while (!(keys = kbd_peek()));
272 /* Increment step to achieve greater accelerations on larger values */
274 step = MIN(rep_step, step + 1);
280 *lev->ch1_val += step;
281 if (*lev->ch1_val > lev->max)
282 *lev->ch1_val = lev->max;
287 *lev->ch1_val -= step;
288 if (*lev->ch1_val < lev->min)
289 *lev->ch1_val = lev->min;
297 kbd_setRepeatMask(old_rpt_mask);
301 * LevelEdit structure initialization.
302 * Init data structure and init LevelEdit widgets.
304 void level_init(struct LevelEdit *lev,
306 struct Bitmap *bmp, const char *title, const char *unit,
307 int min, int max, int step,
308 int *ch1_val, int *ch2_val,
309 level_set_callback *set_hook, display_callback *display_hook)
319 lev->ch1_val = ch1_val;
320 lev->ch2_val = ch2_val;
321 lev->set_hook = set_hook;
322 lev->display_hook = display_hook;