From 8ea7d77d1b1f476c890bf04b44ad9e2c858a4d1c Mon Sep 17 00:00:00 2001
From: Michele Bini <michele.bini@gmail.com>
Date: Thu, 21 Apr 2022 12:41:24 +0200
Subject: Long-press to start red flashlight, long press again to alternate
 with red.


diff --git a/src/displayapp/Apps.h b/src/displayapp/Apps.h
index 8aad953..2b02166 100644
--- a/src/displayapp/Apps.h
+++ b/src/displayapp/Apps.h
@@ -14,6 +14,7 @@ namespace Pinetime {
       Timer,
       Alarm,
       FlashLight,
+      FlashLightRed,
       BatteryInfo,
       Music,
       Paint,
diff --git a/src/displayapp/DisplayApp.cpp b/src/displayapp/DisplayApp.cpp
index 3228061..2c33184 100644
--- a/src/displayapp/DisplayApp.cpp
+++ b/src/displayapp/DisplayApp.cpp
@@ -429,6 +429,10 @@ void DisplayApp::LoadApp(Apps app, DisplayApp::FullRefreshDirections direction)
       currentScreen = std::make_unique<Screens::FlashLight>(this, *systemTask, brightnessController);
       ReturnApp(Apps::QuickSettings, FullRefreshDirections::Down, TouchEvents::SwipeDown);
       break;
+    case Apps::FlashLightRed:
+      currentScreen = std::make_unique<Screens::FlashLight>(this, *systemTask, brightnessController, LV_COLOR_RED);
+      ReturnApp(Apps::QuickSettings, FullRefreshDirections::Down, TouchEvents::SwipeDown);
+      break;
     case Apps::StopWatch:
       currentScreen = std::make_unique<Screens::StopWatch>(this, *systemTask);
       break;
diff --git a/src/displayapp/screens/FlashLight.cpp b/src/displayapp/screens/FlashLight.cpp
index 3047cf8..086b694 100644
--- a/src/displayapp/screens/FlashLight.cpp
+++ b/src/displayapp/screens/FlashLight.cpp
@@ -15,10 +15,12 @@ void FlashLight::EventHandler(lv_obj_t* obj, lv_event_t event) {
 
 FlashLight::FlashLight(Pinetime::Applications::DisplayApp* app,
                        System::SystemTask& systemTask,
-                       Controllers::BrightnessController& brightnessController)
+                       Controllers::BrightnessController& brightnessController,
+                       lv_color_t color)
   : Screen(app),
     systemTask {systemTask},
-    brightnessController {brightnessController}
+    brightnessController {brightnessController},
+    color {color}
 
 {
   brightnessLevel = brightnessController.Level();
@@ -75,21 +77,21 @@ void FlashLight::Update(bool on, Controllers::BrightnessController::Levels level
     isOn = on;
     if (isOn) {
       brightnessController.Backup();
-      lv_obj_set_style_local_bg_color(lv_scr_act(), LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_WHITE);
+      lv_obj_set_style_local_bg_color(lv_scr_act(), LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, color);
       lv_obj_set_style_local_text_color(flashLight, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_GRAY);
       for (auto & i : indicators) {
         lv_obj_set_style_local_bg_color(i, LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_GRAY);
-        lv_obj_set_style_local_bg_color(i, LV_OBJ_PART_MAIN, LV_STATE_DISABLED, LV_COLOR_WHITE);
+        lv_obj_set_style_local_bg_color(i, LV_OBJ_PART_MAIN, LV_STATE_DISABLED, color);
         lv_obj_set_style_local_border_color(i, LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_GRAY);
       }
     } else {
       brightnessController.Restore();
       lv_obj_set_style_local_bg_color(lv_scr_act(), LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_BLACK);
-      lv_obj_set_style_local_text_color(flashLight, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_WHITE);
+      lv_obj_set_style_local_text_color(flashLight, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, color);
       for (auto & i : indicators) {
-        lv_obj_set_style_local_bg_color(i, LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_WHITE);
+        lv_obj_set_style_local_bg_color(i, LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, color);
         lv_obj_set_style_local_bg_color(i, LV_OBJ_PART_MAIN, LV_STATE_DISABLED, LV_COLOR_BLACK);
-        lv_obj_set_style_local_border_color(i, LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_WHITE);
+        lv_obj_set_style_local_border_color(i, LV_OBJ_PART_MAIN, LV_STATE_DEFAULT, color);
       }
     }
   }
diff --git a/src/displayapp/screens/FlashLight.h b/src/displayapp/screens/FlashLight.h
index 3433634..f227599 100644
--- a/src/displayapp/screens/FlashLight.h
+++ b/src/displayapp/screens/FlashLight.h
@@ -13,14 +13,20 @@ namespace Pinetime {
 
       class FlashLight : public Screen {
       public:
-        FlashLight(DisplayApp* app, System::SystemTask& systemTask, Controllers::BrightnessController& brightness);
+        FlashLight(DisplayApp* app, System::SystemTask& systemTask, Controllers::BrightnessController& brightness, lv_color_t color = LV_COLOR_WHITE);
         ~FlashLight() override;
 
         bool OnTouchEvent(Pinetime::Applications::TouchEvents event) override;
 
       private:
         inline void OnClickEvent(lv_obj_t* obj, lv_event_t event) {
-          if (obj == backgroundAction && event == LV_EVENT_CLICKED) {
+          if (obj == backgroundAction) {
+            if (event == LV_EVENT_CLICKED) {
+            } else if (event == LV_EVENT_LONG_PRESSED) {
+              color = (color.full == LV_COLOR_WHITE.full) ? LV_COLOR_RED : LV_COLOR_WHITE;
+            } else {
+              return;
+            }
             Update(!isOn, brightnessLevel);
           }
         }
@@ -35,6 +41,7 @@ namespace Pinetime {
         lv_obj_t* flashLight;
         lv_obj_t* backgroundAction;
         lv_obj_t* indicators[3];
+        lv_color_t color;
         bool isOn = false;
       };
     }
diff --git a/src/displayapp/screens/settings/QuickSettings.cpp b/src/displayapp/screens/settings/QuickSettings.cpp
index 97faaa7..f43f8c8 100644
--- a/src/displayapp/screens/settings/QuickSettings.cpp
+++ b/src/displayapp/screens/settings/QuickSettings.cpp
@@ -128,11 +128,14 @@ void QuickSettings::UpdateScreen() {
 }
 
 void QuickSettings::OnButtonEvent(lv_obj_t* object, lv_event_t event) {
-  if (object == btn2 && event == LV_EVENT_CLICKED) {
-
-    running = false;
-    app->StartApp(Apps::FlashLight, DisplayApp::FullRefreshDirections::Up);
-
+  if (object == btn2) {
+    if (event == LV_EVENT_CLICKED) {
+      running = false;
+      app->StartApp(Apps::FlashLight, DisplayApp::FullRefreshDirections::Up);
+    } else if (event == LV_EVENT_LONG_PRESSED) {
+      running = false;
+      app->StartApp(Apps::FlashLightRed, DisplayApp::FullRefreshDirections::Up);
+    }
   } else if (object == btn1 && event == LV_EVENT_CLICKED) {
 
     brightness.Step();
-- 
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