1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <stdint.h>
4 #include <time.h>
5 #include <unistd.h>
6
7 #include <lvgl/lvgl.h>
8
9 #include "main.h"
10 #include "ui_resource.h"
11
12 static lv_obj_t * bg;
13
14 static lv_obj_t * volume_label;
15 static lv_obj_t * volume_value;
16 static lv_obj_t * volume_slider;
17
slider_event_cb(lv_event_t * e)18 static void slider_event_cb(lv_event_t * e)
19 {
20 lv_obj_t * slider = lv_event_get_target(e);
21 char buf[8];
22 lv_snprintf(buf, sizeof(buf), "%d%%", (int)lv_slider_get_value(slider));
23 lv_label_set_text(volume_value, buf);
24 lv_obj_align_to(volume_value, slider, LV_ALIGN_OUT_TOP_RIGHT, 0, 0);
25 }
26
menu_volume_init(lv_obj_t * parent)27 lv_obj_t * menu_volume_init(lv_obj_t * parent)
28 {
29 bg = lv_obj_create(parent);
30 lv_obj_set_size(bg, lv_pct(100), LV_SIZE_CONTENT);
31 lv_obj_set_flex_flow(bg, LV_FLEX_FLOW_COLUMN);
32 lv_obj_center(bg);
33
34 volume_label = lv_label_create(bg);
35 lv_label_set_text(volume_label, "音量");
36 lv_obj_add_style(volume_label, &style_txt_m, LV_PART_MAIN);
37
38 volume_slider = lv_slider_create(bg);
39 lv_obj_add_event_cb(volume_slider, slider_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
40 lv_obj_set_width(volume_slider, lv_pct(100));
41 lv_slider_set_range(volume_slider, 10, 100);
42 lv_slider_set_value(volume_slider, 100, LV_ANIM_OFF);
43
44 volume_value = lv_label_create(bg);
45 lv_label_set_text(volume_value, "100%");
46 lv_obj_add_style(volume_value, &style_txt_m, LV_PART_MAIN);
47 lv_obj_add_flag(volume_value, LV_OBJ_FLAG_IGNORE_LAYOUT);
48 lv_obj_align_to(volume_value, volume_slider, LV_ALIGN_OUT_TOP_RIGHT, 0, 0);
49
50 return bg;
51 }
52
menu_volume_deinit(void)53 void menu_volume_deinit(void)
54 {
55 lv_obj_del(bg);
56 bg = NULL;
57 }
58
59