1 files changed, 200 insertions, 0 deletions
diff --git a/src/displayapp/screens/StopWatch.cpp b/src/displayapp/screens/StopWatch.cpp
new file mode 100644
index 0000000..8749839
--- /dev/null
+++ b/src/displayapp/screens/StopWatch.cpp
@@ -0,0 +1,200 @@
+#include "displayapp/screens/StopWatch.h"
+
+#include "displayapp/screens/Screen.h"
+#include "displayapp/screens/Symbols.h"
+#include <lvgl/lvgl.h>
+#include <FreeRTOS.h>
+#include <task.h>
+
+using namespace Pinetime::Applications::Screens;
+
+// Anonymous namespace for local functions
+namespace {
+  TimeSeparated_t convertTicksToTimeSegments(const TickType_t timeElapsed) {
+    const int timeElapsedMillis = (static_cast<float>(timeElapsed) / static_cast<float>(configTICK_RATE_HZ)) * 1000;
+
+    const int hundredths = (timeElapsedMillis % 1000) / 10; // Get only the first two digits and ignore the last
+    const int secs = (timeElapsedMillis / 1000) % 60;
+    const int mins = (timeElapsedMillis / 1000) / 60;
+    return TimeSeparated_t {mins, secs, hundredths};
+  }
+
+  TickType_t calculateDelta(const TickType_t startTime, const TickType_t currentTime) {
+    TickType_t delta = 0;
+    // Take care of overflow
+    if (startTime > currentTime) {
+      delta = 0xffffffff - startTime;
+      delta += (currentTime + 1);
+    } else {
+      delta = currentTime - startTime;
+    }
+    return delta;
+  }
+}
+
+static void play_pause_event_handler(lv_obj_t* obj, lv_event_t event) {
+  auto stopWatch = static_cast<StopWatch*>(obj->user_data);
+  stopWatch->playPauseBtnEventHandler(event);
+}
+
+static void stop_lap_event_handler(lv_obj_t* obj, lv_event_t event) {
+  auto stopWatch = static_cast<StopWatch*>(obj->user_data);
+  stopWatch->stopLapBtnEventHandler(event);
+}
+
+StopWatch::StopWatch(DisplayApp* app, System::SystemTask& systemTask)
+  : Screen(app),
+    systemTask {systemTask},
+    currentState {States::Init},
+    startTime {},
+    oldTimeElapsed {},
+    currentTimeSeparated {},
+    lapBuffer {},
+    lapNr {} {
+
+  time = lv_label_create(lv_scr_act(), nullptr);
+  lv_obj_set_style_local_text_font(time, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_76);
+  lv_obj_set_style_local_text_color(time, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_GRAY);
+  lv_label_set_text(time, "00:00");
+  lv_obj_align(time, lv_scr_act(), LV_ALIGN_CENTER, 0, -45);
+
+  msecTime = lv_label_create(lv_scr_act(), nullptr);
+  // lv_obj_set_style_local_text_font(msecTime, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_bold_20);
+  lv_obj_set_style_local_text_color(msecTime, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_GRAY);
+  lv_label_set_text(msecTime, "00");
+  lv_obj_align(msecTime, lv_scr_act(), LV_ALIGN_CENTER, 0, 3);
+
+  btnPlayPause = lv_btn_create(lv_scr_act(), nullptr);
+  btnPlayPause->user_data = this;
+  lv_obj_set_event_cb(btnPlayPause, play_pause_event_handler);
+  lv_obj_set_height(btnPlayPause, 50);
+  lv_obj_set_width(btnPlayPause, 115);
+  lv_obj_align(btnPlayPause, lv_scr_act(), LV_ALIGN_IN_BOTTOM_RIGHT, 0, 0);
+  txtPlayPause = lv_label_create(btnPlayPause, nullptr);
+  lv_label_set_text(txtPlayPause, Symbols::play);
+
+  btnStopLap = lv_btn_create(lv_scr_act(), nullptr);
+  btnStopLap->user_data = this;
+  lv_obj_set_event_cb(btnStopLap, stop_lap_event_handler);
+  lv_obj_set_height(btnStopLap, 50);
+  lv_obj_set_width(btnStopLap, 115);
+  lv_obj_align(btnStopLap, lv_scr_act(), LV_ALIGN_IN_BOTTOM_LEFT, 0, 0);
+  lv_obj_set_style_local_bg_color(btnStopLap, LV_BTN_PART_MAIN, LV_STATE_DISABLED, lv_color_hex(0x080808));
+  txtStopLap = lv_label_create(btnStopLap, nullptr);
+  lv_obj_set_style_local_text_color(txtStopLap, LV_BTN_PART_MAIN, LV_STATE_DISABLED, lv_color_hex(0x888888));
+  lv_label_set_text(txtStopLap, Symbols::stop);
+  lv_obj_set_state(btnStopLap, LV_STATE_DISABLED);
+  lv_obj_set_state(txtStopLap, LV_STATE_DISABLED);
+
+  lapOneText = lv_label_create(lv_scr_act(), nullptr);
+  // lv_obj_set_style_local_text_font(lapOneText, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_bold_20);
+  lv_obj_set_style_local_text_color(lapOneText, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_YELLOW);
+  lv_obj_align(lapOneText, lv_scr_act(), LV_ALIGN_IN_LEFT_MID, 50, 30);
+  lv_label_set_text(lapOneText, "");
+
+  lapTwoText = lv_label_create(lv_scr_act(), nullptr);
+  // lv_obj_set_style_local_text_font(lapTwoText, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_bold_20);
+  lv_obj_set_style_local_text_color(lapTwoText, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_YELLOW);
+  lv_obj_align(lapTwoText, lv_scr_act(), LV_ALIGN_IN_LEFT_MID, 50, 55);
+  lv_label_set_text(lapTwoText, "");
+
+  taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
+}
+
+StopWatch::~StopWatch() {
+  lv_task_del(taskRefresh);
+  systemTask.PushMessage(Pinetime::System::Messages::EnableSleeping);
+  lv_obj_clean(lv_scr_act());
+}
+
+void StopWatch::reset() {
+  currentState = States::Init;
+  oldTimeElapsed = 0;
+  lv_obj_set_style_local_text_color(time, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_GRAY);
+  lv_obj_set_style_local_text_color(msecTime, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_GRAY);
+
+  lv_label_set_text(time, "00:00");
+  lv_label_set_text(msecTime, "00");
+
+  lv_label_set_text(lapOneText, "");
+  lv_label_set_text(lapTwoText, "");
+  lapBuffer.clearBuffer();
+  lapNr = 0;
+  lv_obj_set_state(btnStopLap, LV_STATE_DISABLED);
+  lv_obj_set_state(txtStopLap, LV_STATE_DISABLED);
+}
+
+void StopWatch::start() {
+  lv_obj_set_state(btnStopLap, LV_STATE_DEFAULT);
+  lv_obj_set_state(txtStopLap, LV_STATE_DEFAULT);
+  lv_obj_set_style_local_text_color(time, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_GREEN);
+  lv_obj_set_style_local_text_color(msecTime, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_GREEN);
+  lv_label_set_text(txtPlayPause, Symbols::pause);
+  lv_label_set_text(txtStopLap, Symbols::lapsFlag);
+  startTime = xTaskGetTickCount();
+  currentState = States::Running;
+  systemTask.PushMessage(Pinetime::System::Messages::DisableSleeping);
+}
+
+void StopWatch::pause() {
+  startTime = 0;
+  // Store the current time elapsed in cache
+  oldTimeElapsed += timeElapsed;
+  currentState = States::Halted;
+  lv_label_set_text(txtPlayPause, Symbols::play);
+  lv_label_set_text(txtStopLap, Symbols::stop);
+  lv_obj_set_style_local_text_color(time, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_YELLOW);
+  lv_obj_set_style_local_text_color(msecTime, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_YELLOW);
+  systemTask.PushMessage(Pinetime::System::Messages::EnableSleeping);
+}
+
+void StopWatch::Refresh() {
+  if (currentState == States::Running) {
+    timeElapsed = calculateDelta(startTime, xTaskGetTickCount());
+    currentTimeSeparated = convertTicksToTimeSegments((oldTimeElapsed + timeElapsed));
+
+    lv_label_set_text_fmt(time, "%02d:%02d", currentTimeSeparated.mins, currentTimeSeparated.secs);
+    lv_label_set_text_fmt(msecTime, "%02d", currentTimeSeparated.hundredths);
+  }
+}
+
+void StopWatch::playPauseBtnEventHandler(lv_event_t event) {
+  if (event != LV_EVENT_CLICKED) {
+    return;
+  }
+  if (currentState == States::Init) {
+    start();
+  } else if (currentState == States::Running) {
+    pause();
+  } else if (currentState == States::Halted) {
+    start();
+  }
+}
+
+void StopWatch::stopLapBtnEventHandler(lv_event_t event) {
+  if (event != LV_EVENT_CLICKED) {
+    return;
+  }
+  // If running, then this button is used to save laps
+  if (currentState == States::Running) {
+    lapBuffer.addLaps(currentTimeSeparated);
+    lapNr++;
+    if (lapBuffer[1]) {
+      lv_label_set_text_fmt(
+        lapOneText, "#%2d   %2d:%02d.%02d", (lapNr - 1), lapBuffer[1]->mins, lapBuffer[1]->secs, lapBuffer[1]->hundredths);
+    }
+    if (lapBuffer[0]) {
+      lv_label_set_text_fmt(lapTwoText, "#%2d   %2d:%02d.%02d", lapNr, lapBuffer[0]->mins, lapBuffer[0]->secs, lapBuffer[0]->hundredths);
+    }
+  } else if (currentState == States::Halted) {
+    reset();
+  }
+}
+
+bool StopWatch::OnButtonPushed() {
+  if (currentState == States::Running) {
+    pause();
+    return true;
+  }
+  return false;
+}