InfiniTime.git

ref: e5b73212f6addcfdb5e306df63d7135e543c4f8d

src/displayapp/screens/Metronome.cpp


  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
#include "displayapp/screens/Metronome.h"
#include "displayapp/screens/Symbols.h"
#include "displayapp/InfiniTimeTheme.h"

using namespace Pinetime::Applications::Screens;

namespace {
  void eventHandler(lv_obj_t* obj, lv_event_t event) {
    auto* screen = static_cast<Metronome*>(obj->user_data);
    screen->OnEvent(obj, event);
  }

  lv_obj_t* createLabel(const char* name, lv_obj_t* reference, lv_align_t align, lv_font_t* font, uint8_t x, uint8_t y) {
    lv_obj_t* label = lv_label_create(lv_scr_act(), nullptr);
    lv_obj_set_style_local_text_font(label, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, font);
    lv_obj_set_style_local_text_color(label, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, Colors::lightGray);
    lv_label_set_text(label, name);
    lv_obj_align(label, reference, align, x, y);

    return label;
  }
}

Metronome::Metronome(Controllers::MotorController& motorController, System::SystemTask& systemTask)
  : motorController {motorController}, systemTask {systemTask} {

  bpmArc = lv_arc_create(lv_scr_act(), nullptr);
  bpmArc->user_data = this;
  lv_obj_set_event_cb(bpmArc, eventHandler);
  lv_arc_set_bg_angles(bpmArc, 0, 270);
  lv_arc_set_rotation(bpmArc, 135);
  lv_arc_set_range(bpmArc, 40, 220);
  lv_arc_set_value(bpmArc, bpm);
  lv_obj_set_size(bpmArc, 210, 210);
  lv_arc_set_adjustable(bpmArc, true);
  lv_obj_align(bpmArc, lv_scr_act(), LV_ALIGN_IN_TOP_MID, 0, 0);

  bpmValue = createLabel("120", bpmArc, LV_ALIGN_IN_TOP_MID, &jetbrains_mono_76, 0, 55);
  createLabel("bpm", bpmValue, LV_ALIGN_OUT_BOTTOM_MID, &jetbrains_mono_bold_20, 0, 0);

  bpmTap = lv_btn_create(lv_scr_act(), nullptr);
  bpmTap->user_data = this;
  lv_obj_set_event_cb(bpmTap, eventHandler);
  lv_obj_set_style_local_bg_opa(bpmTap, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, LV_OPA_TRANSP);
  lv_obj_set_height(bpmTap, 80);
  lv_obj_align(bpmTap, bpmValue, LV_ALIGN_IN_TOP_MID, 0, 0);

  bpbDropdown = lv_dropdown_create(lv_scr_act(), nullptr);
  bpbDropdown->user_data = this;
  lv_obj_set_event_cb(bpbDropdown, eventHandler);
  lv_obj_set_size(bpbDropdown, 115, 50);
  lv_obj_align(bpbDropdown, lv_scr_act(), LV_ALIGN_IN_BOTTOM_LEFT, 0, 0);
  lv_dropdown_set_options(bpbDropdown, "1\n2\n3\n4\n5\n6\n7\n8\n9");
  lv_dropdown_set_selected(bpbDropdown, bpb - 1);
  lv_dropdown_set_show_selected(bpbDropdown, false);
  lv_dropdown_set_text(bpbDropdown, "");

  currentBpbText = lv_label_create(bpbDropdown, nullptr);
  lv_label_set_text_fmt(currentBpbText, "%d bpb", bpb);
  lv_obj_align(currentBpbText, bpbDropdown, LV_ALIGN_CENTER, 0, 0);

  playPause = lv_btn_create(lv_scr_act(), nullptr);
  playPause->user_data = this;
  lv_obj_set_event_cb(playPause, eventHandler);
  lv_obj_set_size(playPause, 115, 50);
  lv_obj_align(playPause, lv_scr_act(), LV_ALIGN_IN_BOTTOM_RIGHT, 0, 0);
  lblPlayPause = lv_label_create(playPause, nullptr);
  lv_label_set_text_static(lblPlayPause, Symbols::play);

  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
}

Metronome::~Metronome() {
  lv_task_del(taskRefresh);
  systemTask.PushMessage(System::Messages::EnableSleeping);
  lv_obj_clean(lv_scr_act());
}

void Metronome::Refresh() {
  if (metronomeStarted) {
    if (xTaskGetTickCount() - startTime > 60u * configTICK_RATE_HZ / static_cast<uint16_t>(bpm)) {
      startTime += 60 * configTICK_RATE_HZ / bpm;
      counter--;
      if (counter == 0) {
        counter = bpb;
        motorController.RunForDuration(90);
      } else {
        motorController.RunForDuration(30);
      }
    }
  }
}

void Metronome::OnEvent(lv_obj_t* obj, lv_event_t event) {
  switch (event) {
    case LV_EVENT_VALUE_CHANGED: {
      if (obj == bpmArc) {
        bpm = lv_arc_get_value(bpmArc);
        lv_label_set_text_fmt(bpmValue, "%03d", bpm);
      } else if (obj == bpbDropdown) {
        bpb = lv_dropdown_get_selected(obj) + 1;
        lv_label_set_text_fmt(currentBpbText, "%d bpb", bpb);
        lv_obj_realign(currentBpbText);
      }
      break;
    }
    case LV_EVENT_PRESSED: {
      if (obj == bpmTap) {
        TickType_t delta = xTaskGetTickCount() - tappedTime;
        if (tappedTime != 0 && delta < configTICK_RATE_HZ * 3) {
          bpm = configTICK_RATE_HZ * 60 / delta;
          lv_arc_set_value(bpmArc, bpm);
          lv_label_set_text_fmt(bpmValue, "%03d", bpm);
        }
        tappedTime = xTaskGetTickCount();
        allowExit = true;
      }
      break;
    }
    case LV_EVENT_RELEASED:
    case LV_EVENT_PRESS_LOST:
      if (obj == bpmTap) {
        allowExit = false;
      }
      break;
    case LV_EVENT_CLICKED: {
      if (obj == playPause) {
        metronomeStarted = !metronomeStarted;
        if (metronomeStarted) {
          lv_label_set_text_static(lblPlayPause, Symbols::pause);
          systemTask.PushMessage(System::Messages::DisableSleeping);
          startTime = xTaskGetTickCount();
          counter = 1;
        } else {
          lv_label_set_text_static(lblPlayPause, Symbols::play);
          systemTask.PushMessage(System::Messages::EnableSleeping);
        }
      }
      break;
    }
    default:
      break;
  }
}

bool Metronome::OnTouchEvent(TouchEvents event) {
  if (event == TouchEvents::SwipeDown && allowExit) {
    running = false;
  }
  return true;
}