1 /**
2 * @file lv_demo_ebike_stats.c
3 *
4 */
5
6 /*********************
7 * INCLUDES
8 *********************/
9 #include "lv_demo_ebike.h"
10 #if LV_USE_DEMO_EBIKE
11
12 #include "../../lvgl_private.h"
13 #include "translations/lv_i18n.h"
14 #include "lv_demo_ebike_stats.h"
15 #include "lv_demo_ebike_private.h"
16
17 /*********************
18 * DEFINES
19 *********************/
20
21 /**********************
22 * TYPEDEFS
23 **********************/
24 typedef enum {
25 MODE_AVG_SPEED,
26 MODE_DISTANCE,
27 MODE_TOP_SPEED,
28 } stat_mode_t;
29
30 /**********************
31 * STATIC PROTOTYPES
32 **********************/
33 static lv_obj_t * left_cont_create(lv_obj_t * parent);
34 static lv_obj_t * right_cont_create(lv_obj_t * parent);
35
36 /**********************
37 * STATIC VARIABLES
38 **********************/
39 /*Subjects used only by the statistics page to it easier to sync widgets*/
40 static lv_subject_t subject_week;
41 static lv_subject_t subject_day;
42 static lv_subject_t subject_avg_speed;
43 static lv_subject_t subject_distance;
44 static lv_subject_t subject_top_speed;
45 static lv_subject_t subject_mode;
46 static lv_obj_t * left_arrow;
47 static lv_obj_t * right_arrow;
48
49 static int32_t top_speed_values[] = {46, 28, 42, 39, 41, 25, 49, 37, 35, 40, 33, 40, 31, 27, 45, 38, 41, 40, 27, 25, 30, 45, 31, 43, 41, 34, 47, 32, 30, 33};
50 static int32_t avg_speed_values[] = {21, 24, 27, 29, 23, 28, 28, 22, 29, 28, 24, 26, 24, 30, 25, 25, 20, 28, 24, 27, 25, 27, 20, 29, 25, 24, 23, 26, 27, 27};
51 static int32_t distance_values[] = {87, 63, 29, 84, 27, 84, 33, 76, 77, 49, 46, 29, 67, 21, 87, 75, 40, 19, 12, 67, 66, 11, 59, 33, 51, 75, 44, 61, 53, 63};
52
53 /**********************
54 * MACROS
55 **********************/
56
57 /**********************
58 * GLOBAL FUNCTIONS
59 **********************/
60
lv_demo_ebike_stats_init(void)61 void lv_demo_ebike_stats_init(void)
62 {
63 lv_subject_init_int(&subject_mode, MODE_DISTANCE);
64 lv_subject_init_int(&subject_week, 0);
65 lv_subject_init_int(&subject_day, 0);
66 lv_subject_init_int(&subject_top_speed, 0);
67 lv_subject_init_int(&subject_avg_speed, 0);
68 lv_subject_init_int(&subject_distance, 0);
69 }
70
lv_demo_ebike_stats_deinit(void)71 void lv_demo_ebike_stats_deinit(void)
72 {
73 lv_subject_deinit(&subject_mode);
74 lv_subject_deinit(&subject_week);
75 lv_subject_deinit(&subject_day);
76 lv_subject_deinit(&subject_top_speed);
77 lv_subject_deinit(&subject_avg_speed);
78 lv_subject_deinit(&subject_distance);
79 }
80
lv_demo_ebike_stats_create(lv_obj_t * parent)81 void lv_demo_ebike_stats_create(lv_obj_t * parent)
82 {
83 lv_obj_t * main_cont = lv_obj_create(parent);
84 lv_obj_set_style_bg_opa(main_cont, 0, 0);
85 lv_obj_set_size(main_cont, lv_pct(100), lv_pct(100));
86 lv_obj_set_flex_flow(main_cont, LV_DEMO_EBIKE_PORTRAIT ? LV_FLEX_FLOW_COLUMN : LV_FLEX_FLOW_ROW);
87
88 lv_obj_t * left_cont = left_cont_create(main_cont);
89 #if LV_DEMO_EBIKE_PORTRAIT
90 lv_obj_set_size(left_cont, lv_pct(100), 120);
91 #else
92 lv_obj_set_size(left_cont, 164, lv_pct(100));
93 #endif
94
95 lv_obj_t * right_cont = right_cont_create(main_cont);
96 lv_obj_set_size(right_cont, lv_pct(100), lv_pct(100));
97 lv_obj_set_flex_grow(right_cont, 1);
98 }
99
100 /**********************
101 * STATIC FUNCTIONS
102 **********************/
103
left_cont_create(lv_obj_t * parent)104 static lv_obj_t * left_cont_create(lv_obj_t * parent)
105 {
106 lv_obj_t * left_cont = lv_obj_create(parent);
107 lv_obj_set_style_bg_opa(left_cont, 0, 0);
108 lv_obj_remove_flag(left_cont, LV_OBJ_FLAG_SCROLLABLE);
109
110 lv_obj_t * label = lv_label_create(left_cont);
111 lv_obj_align(label, LV_ALIGN_TOP_LEFT, 24, 16);
112 lv_label_set_text(label, _("STATS"));
113 lv_obj_set_style_text_font(label, EBIKE_FONT_MEDIUM, 0);
114
115
116 lv_obj_t * stats_img;
117 #if LV_USE_LOTTIE
118 extern const uint8_t lottie_ebike_stats[];
119 extern const size_t lottie_ebike_stats_size;
120 stats_img = lv_lottie_create(left_cont);
121 lv_lottie_set_src_data(stats_img, lottie_ebike_stats, lottie_ebike_stats_size);
122 lv_lottie_set_draw_buf(stats_img, lv_demo_ebike_get_lottie_draw_buf());
123 #else
124 stats_img = lv_image_create(left_cont);
125 LV_IMAGE_DECLARE(img_ebike_stats_large);
126 lv_image_set_src(stats_img, &img_ebike_stats_large);
127 #endif
128
129 #if LV_DEMO_EBIKE_PORTRAIT
130 lv_obj_align(stats_img, LV_ALIGN_BOTTOM_RIGHT, 0, 0);
131 #else
132 lv_obj_align(stats_img, LV_ALIGN_BOTTOM_MID, 0, 0);
133 #endif
134 return left_cont;
135 }
tabs_click_event_cb(lv_event_t * e)136 static void tabs_click_event_cb(lv_event_t * e)
137 {
138 lv_obj_t * btnm = lv_event_get_target(e);
139 lv_subject_set_int(&subject_mode, lv_buttonmatrix_get_selected_button(btnm));
140 }
141
tabs_create(lv_obj_t * parent)142 static lv_obj_t * tabs_create(lv_obj_t * parent)
143 {
144 lv_obj_t * btnm = lv_buttonmatrix_create(parent);
145 #if LV_DEMO_EBIKE_PORTRAIT
146 lv_obj_set_size(btnm, lv_pct(100), 40);
147 #else
148 lv_obj_set_size(btnm, lv_pct(100), 24);
149 #endif
150 lv_obj_set_style_bg_opa(btnm, 0, 0);
151 lv_obj_set_style_bg_opa(btnm, 0, LV_PART_ITEMS);
152 lv_obj_set_style_border_width(btnm, 1, LV_PART_ITEMS);
153 lv_obj_set_style_border_width(btnm, 2, LV_PART_ITEMS | LV_STATE_FOCUSED);
154 lv_obj_set_style_border_side(btnm, LV_BORDER_SIDE_BOTTOM, LV_PART_ITEMS);
155 lv_obj_set_style_border_color(btnm, EBIKE_COLOR_TURQUOISE, LV_PART_ITEMS);
156 lv_obj_set_style_border_opa(btnm, LV_OPA_20, LV_PART_ITEMS);
157 lv_obj_set_style_border_opa(btnm, LV_OPA_COVER, LV_PART_ITEMS | LV_STATE_FOCUSED);
158 lv_obj_set_style_text_font(btnm, EBIKE_FONT_SMALL, LV_PART_ITEMS);
159 lv_obj_set_style_text_color(btnm, lv_color_white(), LV_PART_ITEMS);
160 lv_obj_set_style_text_color(btnm, EBIKE_COLOR_TURQUOISE, LV_PART_ITEMS | LV_STATE_FOCUSED);
161 static const char * texts[4];
162 texts[0] = _("Avg. speed");
163 texts[1] = _("Distance");
164 texts[2] = _("Top speed");
165
166 lv_buttonmatrix_set_map(btnm, texts);
167
168 lv_obj_add_event_cb(btnm, tabs_click_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
169 lv_buttonmatrix_set_selected_button(btnm, lv_subject_get_int(&subject_mode));
170
171 return btnm;
172 }
173
left_click_event_cb(lv_event_t * e)174 static void left_click_event_cb(lv_event_t * e)
175 {
176 LV_UNUSED(e);
177 int32_t week = lv_subject_get_int(&subject_week);
178 if(week > 0) {
179 week--;
180 lv_subject_set_int(&subject_week, week);
181 }
182 }
183
right_click_event_cb(lv_event_t * e)184 static void right_click_event_cb(lv_event_t * e)
185 {
186 LV_UNUSED(e);
187 int32_t week = lv_subject_get_int(&subject_week);
188 if(week < 3) {
189 week++;
190 lv_subject_set_int(&subject_week, week);
191 }
192
193 }
194
current_week_observer_cb(lv_observer_t * observer,lv_subject_t * subject)195 static void current_week_observer_cb(lv_observer_t * observer, lv_subject_t * subject)
196 {
197 LV_UNUSED(subject);
198 lv_obj_t * label = lv_observer_get_target_obj(observer);
199 int32_t week = lv_subject_get_int(&subject_week);
200 lv_label_set_text_fmt(label, _("March %d - March %d"), week * 7 + 1, week * 7 + 7);
201
202
203 if(week == 0) lv_obj_set_style_image_opa(left_arrow, LV_OPA_50, 0);
204 else lv_obj_set_style_image_opa(left_arrow, LV_OPA_100, 0);
205
206 if(week == 3) lv_obj_set_style_image_opa(right_arrow, LV_OPA_50, 0);
207 else lv_obj_set_style_image_opa(right_arrow, LV_OPA_100, 0);
208 }
209
current_data_objserver_cb(lv_observer_t * observer,lv_subject_t * subject)210 static void current_data_objserver_cb(lv_observer_t * observer, lv_subject_t * subject)
211 {
212 LV_UNUSED(subject);
213 lv_obj_t * label = lv_observer_get_target_obj(observer);
214 stat_mode_t mode = lv_subject_get_int(&subject_mode);
215 int32_t day = lv_subject_get_int(&subject_day);
216 switch(mode) {
217 case MODE_AVG_SPEED:
218 lv_label_set_text_fmt(label, "%dkm/h", avg_speed_values[day]);
219 break;
220 case MODE_TOP_SPEED:
221 lv_label_set_text_fmt(label, "%dkm/h", top_speed_values[day]);
222 break;
223 case MODE_DISTANCE:
224 lv_label_set_text_fmt(label, "%dkm", distance_values[day]);
225 break;
226 }
227 }
228
data_cont_create(lv_obj_t * parent)229 static lv_obj_t * data_cont_create(lv_obj_t * parent)
230 {
231 lv_obj_t * cont = lv_obj_create(parent);
232 lv_obj_set_style_bg_opa(cont, 0, 0);
233 lv_obj_set_size(cont, lv_pct(100), LV_SIZE_CONTENT);
234 lv_obj_set_style_text_color(cont, lv_color_white(), 0);
235 lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_COLUMN);
236 lv_obj_set_style_flex_main_place(cont, LV_FLEX_ALIGN_CENTER, 0);
237 lv_obj_set_style_flex_cross_place(cont, LV_FLEX_ALIGN_CENTER, 0);
238 lv_obj_set_style_flex_track_place(cont, LV_FLEX_ALIGN_SPACE_BETWEEN, 0);
239
240 LV_IMAGE_DECLARE(img_ebike_arrow_left_2);
241 LV_IMAGE_DECLARE(img_ebike_arrow_right_2);
242
243 left_arrow = lv_image_create(cont);
244 lv_image_set_src(left_arrow, &img_ebike_arrow_left_2);
245 lv_obj_set_ext_click_area(left_arrow, 32);
246 lv_obj_set_size(left_arrow, 40, 40);
247 lv_obj_add_flag(left_arrow, LV_OBJ_FLAG_CLICKABLE);
248 lv_obj_add_event_cb(left_arrow, left_click_event_cb, LV_EVENT_CLICKED, NULL);
249
250 lv_obj_t * label = lv_label_create(cont);
251 lv_label_set_text(label, "138km");
252 lv_obj_set_style_text_font(label, EBIKE_FONT_LARGE, 0);
253 lv_obj_add_flag(label, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
254 lv_subject_add_observer_obj(&subject_mode, current_data_objserver_cb, label, NULL);
255 lv_subject_add_observer_obj(&subject_day, current_data_objserver_cb, label, NULL);
256
257 label = lv_label_create(cont);
258 lv_label_set_text(label, "March 18 - March 25");
259 lv_obj_set_style_text_font(label, EBIKE_FONT_SMALL, 0);
260
261 right_arrow = lv_image_create(cont);
262 lv_image_set_src(right_arrow, &img_ebike_arrow_right_2);
263 lv_obj_set_ext_click_area(right_arrow, 32);
264 lv_obj_set_size(right_arrow, 40, 40);
265 lv_obj_add_flag(right_arrow, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
266 lv_obj_add_flag(right_arrow, LV_OBJ_FLAG_CLICKABLE);
267 lv_obj_add_event_cb(right_arrow, right_click_event_cb, LV_EVENT_CLICKED, NULL);
268
269 lv_subject_add_observer_obj(&subject_week, current_week_observer_cb, label, NULL);
270
271 return cont;
272 }
273
274 static uint32_t day_pressed;
chart_value_changed_event_cb(lv_event_t * e)275 static void chart_value_changed_event_cb(lv_event_t * e)
276 {
277 lv_obj_t * chart = lv_event_get_target(e);
278 day_pressed = lv_chart_get_pressed_point(chart);
279 if(day_pressed == 0) return;
280
281
282 }
chart_released_event_cb(lv_event_t * e)283 static void chart_released_event_cb(lv_event_t * e)
284 {
285 LV_UNUSED(e);
286 lv_subject_set_int(&subject_day, day_pressed);
287 }
288
289
chart_draw_event_cb(lv_event_t * e)290 static void chart_draw_event_cb(lv_event_t * e)
291 {
292 lv_obj_t * chart = lv_event_get_target(e);
293 lv_obj_t * cont = lv_obj_get_parent(chart);
294 lv_draw_rect_dsc_t rect_dsc;
295 lv_draw_rect_dsc_init(&rect_dsc);
296 rect_dsc.bg_grad.dir = LV_GRAD_DIR_VER;
297 rect_dsc.bg_grad.stops_count = 2;
298 rect_dsc.bg_grad.stops[0].color = lv_color_hex(0x00C3BC);
299 rect_dsc.bg_grad.stops[0].opa = LV_OPA_0;
300 rect_dsc.bg_grad.stops[0].frac = 50;
301 rect_dsc.bg_grad.stops[1].color = lv_color_hex(0x8968B6);
302 rect_dsc.bg_grad.stops[1].opa = LV_OPA_100;
303 rect_dsc.bg_grad.stops[1].frac = 200;
304
305 uint32_t day = lv_subject_get_int(&subject_day);
306
307 lv_point_t p;
308 lv_chart_get_point_pos_by_id(chart, lv_chart_get_series_next(chart, NULL), day, &p);
309 lv_coord_t w = lv_obj_get_width(cont) / 7;
310 lv_area_t a;
311 a.x1 = chart->coords.x1 + p.x - w / 2;
312 a.x2 = chart->coords.x1 + p.x + w / 2;
313 a.y1 = chart->coords.y1;
314 a.y2 = chart->coords.y2;
315 lv_draw_rect(lv_event_get_layer(e), &rect_dsc, &a);
316
317 char buf[32];
318 lv_snprintf(buf, sizeof(buf), _("March %d"), lv_subject_get_int(&subject_day));
319 lv_draw_label_dsc_t label_dsc;
320 lv_draw_label_dsc_init(&label_dsc);
321 label_dsc.font = EBIKE_FONT_SMALL;
322 label_dsc.color = lv_color_white();
323 label_dsc.text = buf;
324 label_dsc.text_local = 1;
325 label_dsc.align = LV_TEXT_ALIGN_CENTER;
326
327 a.x1 = chart->coords.x1 + p.x - 100;
328 a.x2 = chart->coords.x1 + p.x + 100;
329 a.y1 = chart->coords.y2 + 5;
330 a.y2 = chart->coords.y2 + 20;
331 lv_draw_label(lv_event_get_layer(e), &label_dsc, &a);
332 }
333
chart_refr_ext_draw(lv_event_t * e)334 static void chart_refr_ext_draw(lv_event_t * e)
335 {
336 #if LV_DEMO_EBIKE_PORTRAIT
337 lv_event_set_ext_draw_size(e, 48);
338 #else
339 lv_event_set_ext_draw_size(e, 32);
340 #endif
341 }
342
chart_draw_task_event_cb(lv_event_t * e)343 static void chart_draw_task_event_cb(lv_event_t * e)
344 {
345 lv_draw_task_t * draw_task = lv_event_get_draw_task(e);
346 lv_draw_dsc_base_t * base_dsc = draw_task->draw_dsc;
347
348 if(base_dsc->part != LV_PART_ITEMS || draw_task->type != LV_DRAW_TASK_TYPE_LINE) return;
349
350 lv_obj_t * obj = lv_event_get_target(e);
351
352 /*Draw a triangle below the line witch some opacity gradient*/
353 lv_draw_line_dsc_t * draw_line_dsc = draw_task->draw_dsc;
354 lv_draw_triangle_dsc_t tri_dsc;
355
356 lv_draw_triangle_dsc_init(&tri_dsc);
357 tri_dsc.p[0].x = draw_line_dsc->p1.x;
358 tri_dsc.p[0].y = draw_line_dsc->p1.y;
359 tri_dsc.p[1].x = draw_line_dsc->p2.x;
360 tri_dsc.p[1].y = draw_line_dsc->p2.y;
361 tri_dsc.p[2].x = draw_line_dsc->p1.y < draw_line_dsc->p2.y ? draw_line_dsc->p1.x : draw_line_dsc->p2.x;
362 tri_dsc.p[2].y = LV_MAX(draw_line_dsc->p1.y, draw_line_dsc->p2.y);
363 tri_dsc.bg_grad.dir = LV_GRAD_DIR_VER;
364
365 int32_t full_h = lv_obj_get_height(obj);
366 int32_t fract_upper = (int32_t)(LV_MIN(draw_line_dsc->p1.y, draw_line_dsc->p2.y) - obj->coords.y1) * 255 / full_h;
367 int32_t fract_lower = (int32_t)(LV_MAX(draw_line_dsc->p1.y, draw_line_dsc->p2.y) - obj->coords.y1) * 255 / full_h;
368 tri_dsc.bg_grad.stops[0].color = lv_color_hex(0x3987CF);
369 tri_dsc.bg_grad.stops[0].opa = 200 * (255 - fract_upper) / 256;
370 tri_dsc.bg_grad.stops[0].frac = 0;
371 tri_dsc.bg_grad.stops[1].color = lv_color_hex(0x3987CF);
372 tri_dsc.bg_grad.stops[1].opa = 200 * (255 - fract_lower) / 256;
373 tri_dsc.bg_grad.stops[1].frac = 255;
374
375 lv_draw_triangle(base_dsc->layer, &tri_dsc);
376
377 /*Draw rectangle below the triangle*/
378 lv_draw_rect_dsc_t rect_dsc;
379 lv_draw_rect_dsc_init(&rect_dsc);
380 rect_dsc.bg_grad.dir = LV_GRAD_DIR_VER;
381 rect_dsc.bg_grad.stops[0].color = lv_color_hex(0x3987CF);
382 rect_dsc.bg_grad.stops[0].frac = 0;
383 rect_dsc.bg_grad.stops[0].opa = 200 * (255 - fract_lower) / 256;
384 rect_dsc.bg_grad.stops[1].color = lv_color_hex(0x3987CF);
385 rect_dsc.bg_grad.stops[1].frac = 255;
386 rect_dsc.bg_grad.stops[1].opa = 0;
387
388 lv_area_t rect_area;
389 rect_area.x1 = (int32_t)draw_line_dsc->p1.x;
390 rect_area.x2 = (int32_t)draw_line_dsc->p2.x - 1;
391 rect_area.y1 = (int32_t)LV_MAX(draw_line_dsc->p1.y, draw_line_dsc->p2.y);
392 rect_area.y2 = (int32_t)obj->coords.y2;
393 lv_draw_rect(base_dsc->layer, &rect_dsc, &rect_area);
394 }
395
chart_gesture_event_cb(lv_event_t * e)396 static void chart_gesture_event_cb(lv_event_t * e)
397 {
398 LV_UNUSED(e);
399 lv_dir_t d = lv_indev_get_gesture_dir(lv_indev_active());
400
401 int32_t week = lv_subject_get_int(&subject_week);
402 if(d == LV_DIR_RIGHT) {
403 if(week > 0) week--;
404 }
405 else if(d == LV_DIR_LEFT) {
406 if(week < 3) week++;
407 }
408 else {
409 return;
410 }
411
412 lv_indev_wait_release(lv_indev_active());
413 lv_subject_set_int(&subject_week, week);
414 }
415
chart_week_observer_cb(lv_observer_t * observer,lv_subject_t * subject)416 static void chart_week_observer_cb(lv_observer_t * observer, lv_subject_t * subject)
417 {
418 LV_UNUSED(subject);
419 int32_t week = lv_subject_get_int(&subject_week);
420 lv_subject_set_int(&subject_day, week * 7 + 1);
421
422 lv_obj_t * chart = lv_observer_get_target_obj(observer);
423 lv_obj_t * cont = lv_obj_get_parent(chart);
424
425 lv_point_t p;
426 lv_chart_get_point_pos_by_id(chart, lv_chart_get_series_next(chart, NULL), week * 7, &p);
427 lv_obj_scroll_to_x(cont, p.x, LV_ANIM_ON);
428 }
429
chart_mode_observer_cb(lv_observer_t * observer,lv_subject_t * subject)430 static void chart_mode_observer_cb(lv_observer_t * observer, lv_subject_t * subject)
431 {
432 LV_UNUSED(subject);
433 lv_obj_t * chart = lv_observer_get_target_obj(observer);
434 lv_chart_series_t * ser = lv_chart_get_series_next(chart, NULL);
435
436 switch(lv_subject_get_int(&subject_mode)) {
437 case MODE_AVG_SPEED:
438 lv_chart_set_range(chart, LV_CHART_AXIS_PRIMARY_Y, 0, 30);
439 lv_chart_set_ext_y_array(chart, ser, avg_speed_values);
440 break;
441 case MODE_TOP_SPEED:
442 lv_chart_set_range(chart, LV_CHART_AXIS_PRIMARY_Y, 0, 50);
443 lv_chart_set_ext_y_array(chart, ser, top_speed_values);
444 break;
445 case MODE_DISTANCE:
446 lv_chart_set_range(chart, LV_CHART_AXIS_PRIMARY_Y, 0, 90);
447 lv_chart_set_ext_y_array(chart, ser, distance_values);
448 break;
449 default:
450 break;
451 }
452 }
453
chart_day_observer_cb(lv_observer_t * observer,lv_subject_t * subject)454 static void chart_day_observer_cb(lv_observer_t * observer, lv_subject_t * subject)
455 {
456 LV_UNUSED(subject);
457 lv_obj_t * chart = lv_observer_get_target_obj(observer);
458
459 int32_t day = lv_subject_get_int(&subject_day);
460
461 lv_subject_set_int(&subject_avg_speed, avg_speed_values[day]);
462 lv_subject_set_int(&subject_distance, distance_values[day]);
463 lv_subject_set_int(&subject_top_speed, top_speed_values[day]);
464
465 lv_obj_invalidate(chart);
466 }
467
chart_create(lv_obj_t * parent)468 static lv_obj_t * chart_create(lv_obj_t * parent)
469 {
470 lv_obj_t * cont = lv_obj_create(parent);
471 lv_obj_set_width(cont, lv_pct(100));
472 lv_obj_set_flex_grow(cont, 1);
473 lv_obj_set_style_bg_opa(cont, 0, 0);
474 lv_obj_remove_flag(cont, LV_OBJ_FLAG_SCROLLABLE);
475
476 lv_obj_t * chart = lv_chart_create(cont);
477 lv_obj_set_flex_grow(chart, 1);
478 lv_obj_set_size(chart, lv_pct(370), lv_pct(100));
479 lv_chart_set_update_mode(chart, LV_CHART_UPDATE_MODE_CIRCULAR);
480 lv_chart_set_point_count(chart, 30);
481 lv_chart_set_div_line_count(chart, 0, 0);
482 lv_obj_remove_flag(chart, LV_OBJ_FLAG_GESTURE_BUBBLE);
483 lv_obj_set_style_line_width(chart, 3, LV_PART_ITEMS);
484 lv_obj_set_style_size(chart, 10, 10, LV_PART_INDICATOR);
485 lv_obj_set_style_bg_opa(chart, LV_OPA_COVER, LV_PART_INDICATOR);
486 lv_obj_set_style_bg_color(chart, lv_color_black(), LV_PART_INDICATOR);
487 lv_obj_set_style_radius(chart, LV_RADIUS_CIRCLE, LV_PART_INDICATOR);
488 lv_obj_set_style_border_color(chart, lv_color_black(), LV_PART_INDICATOR);
489 lv_obj_set_style_border_width(chart, 2, LV_PART_INDICATOR);
490 lv_obj_set_style_border_width(chart, 1, 0);
491 lv_obj_set_style_border_side(chart, LV_BORDER_SIDE_BOTTOM, 0);
492 lv_obj_set_style_bg_opa(chart, 0, 0);
493 lv_obj_set_style_margin_bottom(chart, 24, 0);
494 lv_obj_set_style_max_height(chart, 260, 0);
495
496 lv_obj_add_event_cb(chart, chart_value_changed_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
497 lv_obj_add_event_cb(chart, chart_released_event_cb, LV_EVENT_RELEASED, NULL);
498 lv_obj_add_event_cb(chart, chart_draw_event_cb, LV_EVENT_DRAW_MAIN_BEGIN, NULL);
499 lv_obj_add_event_cb(chart, chart_refr_ext_draw, LV_EVENT_REFR_EXT_DRAW_SIZE, NULL);
500 lv_obj_add_event_cb(chart, chart_draw_task_event_cb, LV_EVENT_DRAW_TASK_ADDED, NULL);
501 lv_obj_add_event_cb(chart, chart_gesture_event_cb, LV_EVENT_GESTURE, NULL);
502 lv_obj_add_flag(chart, LV_OBJ_FLAG_SEND_DRAW_TASK_EVENTS);
503
504 lv_chart_series_t * ser = lv_chart_add_series(chart, lv_color_white(), 0);
505 lv_chart_set_next_value(chart, ser, 30);
506 lv_chart_set_next_value(chart, ser, 60);
507 lv_chart_set_next_value(chart, ser, 22);
508 lv_chart_set_next_value(chart, ser, 40);
509 lv_chart_set_next_value(chart, ser, 48);
510 lv_chart_set_next_value(chart, ser, 30);
511 lv_chart_set_next_value(chart, ser, 69);
512 lv_chart_set_next_value(chart, ser, 21);
513 lv_chart_set_next_value(chart, ser, 60);
514
515 lv_subject_add_observer_obj(&subject_week, chart_week_observer_cb, chart, NULL);
516 lv_subject_add_observer_obj(&subject_mode, chart_mode_observer_cb, chart, NULL);
517 lv_subject_add_observer_obj(&subject_day, chart_day_observer_cb, chart, NULL);
518
519 return chart;
520 }
521
stat_card_create(lv_obj_t * parent,const char * name,lv_subject_t * subject,const char * fmt)522 static lv_obj_t * stat_card_create(lv_obj_t * parent, const char * name, lv_subject_t * subject, const char * fmt)
523 {
524 lv_obj_t * cont = lv_obj_create(parent);
525 lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_COLUMN);
526 lv_obj_set_style_flex_track_place(cont, LV_FLEX_ALIGN_CENTER, 0);
527 lv_obj_set_flex_grow(cont, 1);
528 lv_obj_set_height(cont, LV_SIZE_CONTENT);
529 lv_obj_set_style_bg_opa(cont, 0, 0);
530
531 lv_obj_t * label = lv_label_create(cont);
532 lv_label_set_text(label, name);
533 lv_obj_set_style_text_font(label, EBIKE_FONT_SMALL, 0);
534
535 label = lv_label_create(cont);
536 lv_obj_set_style_text_font(label, EBIKE_FONT_MEDIUM, 0);
537 lv_label_bind_text(label, subject, fmt);
538
539 return cont;
540 }
541
stat_cont_create(lv_obj_t * parent)542 static lv_obj_t * stat_cont_create(lv_obj_t * parent)
543 {
544 lv_obj_t * cont = lv_obj_create(parent);
545 lv_obj_set_style_bg_opa(cont, 0, 0);
546 lv_obj_set_size(cont, lv_pct(100), LV_SIZE_CONTENT);
547 lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_ROW);
548
549 stat_card_create(cont, _("Avg. speed"), &subject_avg_speed, "%dkm/h");
550 stat_card_create(cont, _("Distance"), &subject_distance, "%dkm");
551 stat_card_create(cont, _("Top speed"), &subject_top_speed, "%dkm/h");
552
553 return cont;
554 }
555
right_cont_create(lv_obj_t * parent)556 static lv_obj_t * right_cont_create(lv_obj_t * parent)
557 {
558 lv_obj_t * right_cont = lv_obj_create(parent);
559 lv_obj_set_style_bg_opa(right_cont, 0, 0);
560 lv_obj_set_flex_flow(right_cont, LV_FLEX_FLOW_COLUMN);
561 lv_obj_set_style_flex_main_place(right_cont, LV_FLEX_ALIGN_SPACE_BETWEEN, 0);
562 lv_obj_set_style_pad_ver(right_cont, 12, 0);
563 lv_obj_set_style_pad_right(right_cont, 8, 0);
564 lv_obj_set_style_pad_row(right_cont, 8, 0);
565 lv_obj_set_height(right_cont, lv_pct(100));
566
567 tabs_create(right_cont);
568 data_cont_create(right_cont);
569 chart_create(right_cont);
570 stat_cont_create(right_cont);
571
572 return right_cont;
573 }
574
575 #endif /*LV_USE_DEMO_EBIKE*/
576
