WatchFaceDigital: Add weather display

If weather is available, display the cloud icon and temperature.

Author: vkareh

src/displayapp/screens/WatchFaceDigital.cpp

@@ -4,11 +4,13 @@
 #include <cstdio>
 #include "displayapp/screens/NotificationIcon.h"
 #include "displayapp/screens/Symbols.h"
+#include "displayapp/screens/WeatherSymbols.h"
 #include "components/battery/BatteryController.h"
 #include "components/ble/BleController.h"
 #include "components/ble/NotificationManager.h"
 #include "components/heartrate/HeartRateController.h"
 #include "components/motion/MotionController.h"
+#include "components/ble/SimpleWeatherService.h"
 #include "components/settings/Settings.h"
 
 using namespace Pinetime::Applications::Screens;
@@ -19,13 +21,15 @@ WatchFaceDigital::WatchFaceDigital(Controllers::DateTime& dateTimeController,
                                    Controllers::NotificationManager& notificationManager,
                                    Controllers::Settings& settingsController,
                                    Controllers::HeartRateController& heartRateController,
-                                   Controllers::MotionController& motionController)
+                                   Controllers::MotionController& motionController,
+                                   Controllers::SimpleWeatherService& weatherService)
   : currentDateTime {{}},
     dateTimeController {dateTimeController},
     notificationManager {notificationManager},
     settingsController {settingsController},
     heartRateController {heartRateController},
     motionController {motionController},
+    weatherService {weatherService},
     statusIcons(batteryController, bleController) {
 
   statusIcons.Create();
@@ -35,6 +39,18 @@ WatchFaceDigital::WatchFaceDigital(Controllers::DateTime& dateTimeController,
   lv_label_set_text_static(notificationIcon, NotificationIcon::GetIcon(false));
   lv_obj_align(notificationIcon, nullptr, LV_ALIGN_IN_TOP_LEFT, 0, 0);
 
+  weatherIcon = lv_label_create(lv_scr_act(), nullptr);
+  lv_obj_set_style_local_text_color(weatherIcon, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_WHITE);
+  lv_obj_set_style_local_text_font(weatherIcon, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &fontawesome_weathericons);
+  lv_label_set_text(weatherIcon, "");
+  lv_obj_align(weatherIcon, nullptr, LV_ALIGN_IN_TOP_MID, -20, 0);
+  lv_obj_set_auto_realign(weatherIcon, true);
+
+  temperature = lv_label_create(lv_scr_act(), nullptr);
+  lv_obj_set_style_local_text_color(temperature, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_WHITE);
+  lv_label_set_text(temperature, "");
+  lv_obj_align(temperature, nullptr, LV_ALIGN_IN_TOP_MID, 20, 0);
+
   label_date = lv_label_create(lv_scr_act(), nullptr);
   lv_obj_align(label_date, lv_scr_act(), LV_ALIGN_CENTER, 0, 60);
   lv_obj_set_style_local_text_color(label_date, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, lv_color_hex(0x999999));
@@ -153,4 +169,25 @@ void WatchFaceDigital::Refresh() {
     lv_obj_realign(stepValue);
     lv_obj_realign(stepIcon);
   }
+
+  currentWeather = weatherService.Current();
+  if (currentWeather.IsUpdated()) {
+    auto optCurrentWeather = currentWeather.Get();
+    if (optCurrentWeather) {
+      int16_t temp = optCurrentWeather->temperature;
+      char tempUnit = 'C';
+      if (settingsController.GetWeatherFormat() == Controllers::Settings::WeatherFormat::Imperial) {
+        temp = Controllers::SimpleWeatherService::CelsiusToFahrenheit(temp);
+        tempUnit = 'F';
+      }
+      temp = temp / 100 + (temp % 100 >= 50 ? 1 : 0);
+      lv_label_set_text_fmt(temperature, "%d°%c", temp, tempUnit);
+      lv_label_set_text(weatherIcon, Symbols::GetSymbol(optCurrentWeather->iconId));
+    } else {
+      lv_label_set_text_static(temperature, "");
+      lv_label_set_text(weatherIcon, "");
+    }
+    lv_obj_realign(temperature);
+    lv_obj_realign(weatherIcon);
+  }
 }

src/displayapp/screens/WatchFaceDigital.h

@@ -6,6 +6,7 @@
 #include <memory>
 #include "displayapp/screens/Screen.h"
 #include "components/datetime/DateTimeController.h"
+#include "components/ble/SimpleWeatherService.h"
 #include "components/ble/BleController.h"
 #include "displayapp/widgets/StatusIcons.h"
 #include "utility/DirtyValue.h"
@@ -32,7 +33,8 @@ namespace Pinetime {
                          Controllers::NotificationManager& notificationManager,
                          Controllers::Settings& settingsController,
                          Controllers::HeartRateController& heartRateController,
-                         Controllers::MotionController& motionController);
+                         Controllers::MotionController& motionController,
+                         Controllers::SimpleWeatherService& weather);
         ~WatchFaceDigital() override;
 
         void Refresh() override;
@@ -50,6 +52,8 @@ namespace Pinetime {
         Utility::DirtyValue<uint8_t> heartbeat {};
         Utility::DirtyValue<bool> heartbeatRunning {};
         Utility::DirtyValue<bool> notificationState {};
+        Utility::DirtyValue<std::optional<Pinetime::Controllers::SimpleWeatherService::CurrentWeather>> currentWeather {};
+
         using days = std::chrono::duration<int32_t, std::ratio<86400>>; // TODO: days is standard in c++20
         Utility::DirtyValue<std::chrono::time_point<std::chrono::system_clock, days>> currentDate;
 
@@ -61,12 +65,15 @@ namespace Pinetime {
         lv_obj_t* stepIcon;
         lv_obj_t* stepValue;
         lv_obj_t* notificationIcon;
+        lv_obj_t* weatherIcon;
+        lv_obj_t* temperature;
 
         Controllers::DateTime& dateTimeController;
         Controllers::NotificationManager& notificationManager;
         Controllers::Settings& settingsController;
         Controllers::HeartRateController& heartRateController;
         Controllers::MotionController& motionController;
+        Controllers::SimpleWeatherService& weatherService;
 
         lv_task_t* taskRefresh;
         Widgets::StatusIcons statusIcons;
@@ -85,7 +92,8 @@ namespace Pinetime {
                                              controllers.notificationManager,
                                              controllers.settingsController,
                                              controllers.heartRateController,
-                                             controllers.motionController);
+                                             controllers.motionController,
+                                             *controllers.weatherController);
       };
 
       static bool IsAvailable(Pinetime::Controllers::FS& /*filesystem*/) {