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sketches/doorbell-touch-esp32-32e/DisplayManager.h

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+#pragma once
+#include <TFT_eSPI.h>
+#include "ScreenData.h"
+
+class DisplayManager {
+public:
+  void begin();
+  void render(const ScreenState& state);
+  void setBacklight(bool on);
+  TouchEvent readTouch();
+
+private:
+  TFT_eSPI _tft;
+  ScreenID _lastScreen = ScreenID::BOOT_SPLASH;
+  bool     _needsFullRedraw = true;
+  bool     _lastBlink = false;
+
+  // Colors
+  static constexpr uint16_t COL_NEON_TEAL   = 0x07D7;
+  static constexpr uint16_t COL_HOT_FUCHSIA = 0xF81F;
+  static constexpr uint16_t COL_WHITE       = 0xFFDF;
+  static constexpr uint16_t COL_BLACK       = 0x0000;
+  static constexpr uint16_t COL_MINT        = 0x67F5;
+  static constexpr uint16_t COL_DARK_GRAY   = 0x2104;
+  static constexpr uint16_t COL_GREEN       = 0x07E0;
+  static constexpr uint16_t COL_RED         = 0xF800;
+  static constexpr uint16_t COL_YELLOW      = 0xFFE0;
+
+  // Screen renderers
+  void drawBootSplash(const ScreenState& s);
+  void drawWifiConnecting();
+  void drawWifiConnected(const ScreenState& s);
+  void drawWifiFailed();
+  void drawAlertScreen(const ScreenState& s);
+  void drawStatusScreen(const ScreenState& s);
+
+  // Helpers
+  void drawCentered(const char* txt, int y, int sz, uint16_t col);
+  void drawInfoLine(int x, int y, uint16_t col, const char* text);
+  void drawHeaderBar(uint16_t col, const char* label, const char* timeStr);
+};
+