stopwatch: Update UI

The time used to be yellow while paused. Changing it to white made the
paused state less distinct. Blinking the time while paused makes the
state distinct again.

src/displayapp/InfiniTimeTheme.h

@@ -5,6 +5,7 @@
 namespace Colors {
   static constexpr lv_color_t orange = LV_COLOR_MAKE(0xff, 0xb0, 0x0);
   static constexpr lv_color_t green = LV_COLOR_MAKE(0x0, 0xb0, 0x0);
+  static constexpr lv_color_t blue = LV_COLOR_MAKE(0x0, 0x50, 0xff);
   static constexpr lv_color_t lightGray = LV_COLOR_MAKE(0xb0, 0xb0, 0xb0);
 
   static constexpr lv_color_t bg = LV_COLOR_MAKE(0x5d, 0x69, 0x7e);

src/displayapp/screens/StopWatch.cpp

@@ -18,51 +18,60 @@ namespace {
 
   void play_pause_event_handler(lv_obj_t* obj, lv_event_t event) {
     auto* stopWatch = static_cast<StopWatch*>(obj->user_data);
-    stopWatch->playPauseBtnEventHandler(event);
+    if (event == LV_EVENT_CLICKED) {
+      stopWatch->playPauseBtnEventHandler();
+    }
   }
 
   void stop_lap_event_handler(lv_obj_t* obj, lv_event_t event) {
     auto* stopWatch = static_cast<StopWatch*>(obj->user_data);
-    stopWatch->stopLapBtnEventHandler(event);
+    if (event == LV_EVENT_CLICKED) {
+      stopWatch->stopLapBtnEventHandler();
     }
   }
 
+  constexpr TickType_t blinkInterval = pdMS_TO_TICKS(1000);
+}
+
 StopWatch::StopWatch(DisplayApp* app, System::SystemTask& systemTask) : Screen(app), systemTask {systemTask} {
-
+  static constexpr uint8_t btnWidth = 115;
-  time = lv_label_create(lv_scr_act(), nullptr);
+  static constexpr uint8_t btnHeight = 80;
-  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, Colors::lightGray);
-  lv_label_set_text_static(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, Colors::lightGray);
-  lv_label_set_text_static(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_size(btnPlayPause, 115, 50);
+  lv_obj_set_size(btnPlayPause, btnWidth, btnHeight);
   lv_obj_align(btnPlayPause, lv_scr_act(), LV_ALIGN_IN_BOTTOM_RIGHT, 0, 0);
   txtPlayPause = lv_label_create(btnPlayPause, nullptr);
-  lv_label_set_text_static(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_size(btnStopLap, 115, 50);
+  lv_obj_set_size(btnStopLap, btnWidth, btnHeight);
   lv_obj_align(btnStopLap, lv_scr_act(), LV_ALIGN_IN_BOTTOM_LEFT, 0, 0);
   txtStopLap = lv_label_create(btnStopLap, nullptr);
-  lv_label_set_text_static(txtStopLap, Symbols::stop);
   lv_obj_set_state(btnStopLap, LV_STATE_DISABLED);
   lv_obj_set_state(txtStopLap, LV_STATE_DISABLED);
 
   lapText = lv_label_create(lv_scr_act(), nullptr);
-  lv_obj_set_style_local_text_color(lapText, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_YELLOW);
+  lv_obj_set_style_local_text_color(lapText, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, Colors::lightGray);
-  lv_obj_align(lapText, lv_scr_act(), LV_ALIGN_IN_LEFT_MID, 50, 30);
+  lv_label_set_text_static(lapText, "\n");
-  lv_label_set_text_static(lapText, "");
+  lv_label_set_long_mode(lapText, LV_LABEL_LONG_BREAK);
+  lv_label_set_align(lapText, LV_LABEL_ALIGN_CENTER);
+  lv_obj_set_width(lapText, LV_HOR_RES_MAX);
+  lv_obj_align(lapText, lv_scr_act(), LV_ALIGN_IN_BOTTOM_MID, 0, -btnHeight);
+
+  msecTime = lv_label_create(lv_scr_act(), nullptr);
+  lv_label_set_text_static(msecTime, "00");
+  lv_obj_set_style_local_text_color(msecTime, LV_LABEL_PART_MAIN, LV_STATE_DISABLED, Colors::lightGray);
+  lv_obj_align(msecTime, lapText, LV_ALIGN_OUT_TOP_MID, 0, 0);
+
+  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_label_set_text_static(time, "00:00");
+  lv_obj_set_style_local_text_color(time, LV_LABEL_PART_MAIN, LV_STATE_DISABLED, Colors::lightGray);
+  lv_obj_align(time, msecTime, LV_ALIGN_OUT_TOP_MID, 0, 0);
+
+  SetInterfaceStopped();
 
   taskRefresh = lv_task_create(RefreshTaskCallback, LV_DISP_DEF_REFR_PERIOD, LV_TASK_PRIO_MID, this);
 }
@@ -73,42 +82,62 @@ StopWatch::~StopWatch() {
   lv_obj_clean(lv_scr_act());
 }
 
-void StopWatch::Reset() {
+void StopWatch::SetInterfacePaused() {
-  currentState = States::Init;
+  lv_obj_set_style_local_bg_color(btnStopLap, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_RED);
-  oldTimeElapsed = 0;
+  lv_obj_set_style_local_bg_color(btnPlayPause, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, Colors::blue);
-  lv_obj_set_style_local_text_color(time, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, Colors::lightGray);
+  lv_label_set_text_static(txtPlayPause, Symbols::play);
-  lv_obj_set_style_local_text_color(msecTime, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, Colors::lightGray);
+  lv_label_set_text_static(txtStopLap, Symbols::stop);
+}
+
+void StopWatch::SetInterfaceRunning() {
+  lv_obj_set_state(time, LV_STATE_DEFAULT);
+  lv_obj_set_state(msecTime, LV_STATE_DEFAULT);
+  lv_obj_set_style_local_bg_color(btnPlayPause, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, Colors::bgAlt);
+  lv_obj_set_style_local_bg_color(btnStopLap, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, Colors::bgAlt);
+
+  lv_label_set_text_static(txtPlayPause, Symbols::pause);
+  lv_label_set_text_static(txtStopLap, Symbols::lapsFlag);
+
+  lv_obj_set_state(btnStopLap, LV_STATE_DEFAULT);
+  lv_obj_set_state(txtStopLap, LV_STATE_DEFAULT);
+}
+
+void StopWatch::SetInterfaceStopped() {
+  lv_obj_set_state(time, LV_STATE_DISABLED);
+  lv_obj_set_state(msecTime, LV_STATE_DISABLED);
+  lv_obj_set_style_local_bg_color(btnPlayPause, LV_BTN_PART_MAIN, LV_STATE_DEFAULT, Colors::blue);
 
   lv_label_set_text_static(time, "00:00");
   lv_label_set_text_static(msecTime, "00");
 
   lv_label_set_text_static(lapText, "");
-  lapsDone = 0;
+  lv_label_set_text_static(txtPlayPause, Symbols::play);
+  lv_label_set_text_static(txtStopLap, Symbols::lapsFlag);
   lv_obj_set_state(btnStopLap, LV_STATE_DISABLED);
   lv_obj_set_state(txtStopLap, LV_STATE_DISABLED);
 }
 
+void StopWatch::Reset() {
+  SetInterfaceStopped();
+  currentState = States::Init;
+  oldTimeElapsed = 0;
+  lapsDone = 0;
+}
+
 void StopWatch::Start() {
-  lv_obj_set_state(btnStopLap, LV_STATE_DEFAULT);
+  SetInterfaceRunning();
-  lv_obj_set_state(txtStopLap, LV_STATE_DEFAULT);
-  lv_obj_set_style_local_text_color(time, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, Colors::highlight);
-  lv_obj_set_style_local_text_color(msecTime, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, Colors::highlight);
-  lv_label_set_text_static(txtPlayPause, Symbols::pause);
-  lv_label_set_text_static(txtStopLap, Symbols::lapsFlag);
   startTime = xTaskGetTickCount();
   currentState = States::Running;
   systemTask.PushMessage(Pinetime::System::Messages::DisableSleeping);
 }
 
 void StopWatch::Pause() {
+  SetInterfacePaused();
   startTime = 0;
   // Store the current time elapsed in cache
   oldTimeElapsed = laps[lapsDone];
+  blinkTime = xTaskGetTickCount() + blinkInterval;
   currentState = States::Halted;
-  lv_label_set_text_static(txtPlayPause, Symbols::play);
-  lv_label_set_text_static(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);
 }
 
@@ -119,26 +148,30 @@ void StopWatch::Refresh() {
     TimeSeparated_t currentTimeSeparated = convertTicksToTimeSegments(laps[lapsDone]);
     lv_label_set_text_fmt(time, "%02d:%02d", currentTimeSeparated.mins, currentTimeSeparated.secs);
     lv_label_set_text_fmt(msecTime, "%02d", currentTimeSeparated.hundredths);
+  } else if (currentState == States::Halted) {
+    const TickType_t currentTime = xTaskGetTickCount();
+    if (currentTime > blinkTime) {
+      blinkTime = currentTime + blinkInterval;
+      if (lv_obj_get_state(time, LV_LABEL_PART_MAIN) == LV_STATE_DEFAULT) {
+        lv_obj_set_state(time, LV_STATE_DISABLED);
+        lv_obj_set_state(msecTime, LV_STATE_DISABLED);
+      } else {
+        lv_obj_set_state(time, LV_STATE_DEFAULT);
+        lv_obj_set_state(msecTime, LV_STATE_DEFAULT);
+      }
+    }
   }
 }
 
-void StopWatch::playPauseBtnEventHandler(lv_event_t event) {
+void StopWatch::playPauseBtnEventHandler() {
-  if (event != LV_EVENT_CLICKED) {
+  if (currentState == States::Init || currentState == States::Halted) {
-    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) {
+void StopWatch::stopLapBtnEventHandler() {
-  if (event != LV_EVENT_CLICKED) {
-    return;
-  }
   // If running, then this button is used to save laps
   if (currentState == States::Running) {
     lv_label_set_text(lapText, "");

src/displayapp/screens/StopWatch.h

@@ -24,19 +24,24 @@ namespace Pinetime::Applications::Screens {
     ~StopWatch() override;
     void Refresh() override;
 
-    void playPauseBtnEventHandler(lv_event_t event);
+    void playPauseBtnEventHandler();
-    void stopLapBtnEventHandler(lv_event_t event);
+    void stopLapBtnEventHandler();
     bool OnButtonPushed() override;
 
+  private:
+    void SetInterfacePaused();
+    void SetInterfaceRunning();
+    void SetInterfaceStopped();
+
     void Reset();
     void Start();
     void Pause();
 
-  private:
     Pinetime::System::SystemTask& systemTask;
     States currentState = States::Init;
     TickType_t startTime;
     TickType_t oldTimeElapsed = 0;
+    TickType_t blinkTime = 0;
     static constexpr int maxLapCount = 20;
     TickType_t laps[maxLapCount + 1];
     static constexpr int displayedLaps = 2;