initial commit for Dice.h and Dice.cpp

src/displayapp/screens/Dice.cpp

@@ -0,0 +1,64 @@
+#include "displayapp/screens/Dice.h"
+
+#include "displayapp/screens/Screen.h"
+#include "displayapp/screens/Symbols.h"
+
+#include <lvgl/lvgl.h>
+
+using namespace Pinetime::Applications::Screens;
+
+static void btnRollEventHandler(lv_obj_t* obj, lv_event_t event) {
+  auto* screen = static_cast<Dice*>(obj->user_data);
+  if (event == LV_EVENT_CLICKED) {
+    screen->Roll();
+  }
+}
+
+Dice::Dice(DisplayApp* app, Controllers::DateTime& dateTime) : Screen(app), dateTime {dateTime} {
+
+  srand(dateTime.Uptime().count() * dateTime.Seconds());
+
+  lv_obj_t* dLabel = lv_label_create(lv_scr_act(), nullptr);
+  lv_obj_set_style_local_text_font(dLabel, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_42);
+  lv_obj_set_style_local_text_color(dLabel, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_WHITE);
+  lv_label_set_text_static(dLabel, "d");
+  lv_obj_align(dLabel, lv_scr_act(), LV_ALIGN_IN_TOP_LEFT, 14, 80);
+
+  sidesCounter.Create();
+  lv_obj_align(sidesCounter.GetObject(), nullptr, LV_ALIGN_IN_TOP_LEFT, 49, 24);
+  sidesCounter.SetValue(2);
+
+  currentColorIndex = rand() % resultColorsLength;
+
+  resultLabel = lv_label_create(lv_scr_act(), nullptr);
+  lv_obj_set_style_local_text_font(resultLabel, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_76);
+  lv_obj_set_style_local_text_color(resultLabel, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, resultColors[currentColorIndex]);
+  lv_obj_align(resultLabel, nullptr, LV_ALIGN_IN_TOP_RIGHT, -110, 60);
+
+  Roll();
+
+  btnRoll = lv_btn_create(lv_scr_act(), nullptr);
+  btnRoll->user_data = this;
+  lv_obj_set_event_cb(btnRoll, btnRollEventHandler);
+  lv_obj_set_size(btnRoll, 240, 50);
+  lv_obj_align(btnRoll, lv_scr_act(), LV_ALIGN_IN_BOTTOM_MID, 0, 0);
+
+  btnRollLabel = lv_label_create(lv_scr_act(), nullptr);
+  lv_obj_align(btnRollLabel, btnRoll, LV_ALIGN_CENTER, 12, 0);
+  lv_label_set_text_static(btnRollLabel, Symbols::dice);
+}
+
+Dice::~Dice() {
+  lv_obj_clean(lv_scr_act());
+}
+
+void Dice::Roll() {
+  rollResult = ((rand() % sidesCounter.GetValue()) + 1);
+  lv_label_set_text_fmt(resultLabel, "%d", rollResult);
+  NextColor();
+}
+
+void Dice::NextColor() {
+  currentColorIndex = (currentColorIndex + 1) % resultColorsLength;
+  lv_obj_set_style_local_text_color(resultLabel, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, resultColors[currentColorIndex]);
+}

src/displayapp/screens/Dice.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include "displayapp/screens/Screen.h"
+#include "displayapp/widgets/Counter.h"
+#include "components/datetime/DateTimeController.h"
+#include <lvgl/lvgl.h>
+
+namespace Pinetime::Applications::Screens {
+  class Dice : public Screen {
+    public:
+      Dice(DisplayApp* app, Controllers::DateTime& dateTime);
+      ~Dice() override;
+      void Roll();
+      void NextColor();
+
+    private:
+      Controllers::DateTime& dateTime;
+
+      lv_obj_t* btnRoll;
+      lv_obj_t* btnRollLabel;
+      lv_obj_t* resultLabel;
+
+      lv_color_t resultColors[3] = {LV_COLOR_YELLOW, LV_COLOR_MAGENTA, LV_COLOR_AQUA};
+      uint8_t resultColorsLength = sizeof(resultColors) / sizeof(resultColors[0]);
+      uint8_t currentColorIndex;
+
+      uint8_t rollResult;
+
+      Widgets::Counter sidesCounter = Widgets::Counter(2, 99, jetbrains_mono_42);
+  };
+}