Add WiFi configuration screen accessible by tapping WiFi status

src/main.cpp

@@ -167,7 +167,8 @@ unsigned long lastHistoryRefresh = 0;
 enum ScreenState {
   SCREEN_DASHBOARD,
   SCREEN_CUSTOMIZE_STOCKS,
-  SCREEN_CUSTOMIZE_INDICES
+  SCREEN_CUSTOMIZE_INDICES,
+  SCREEN_WIFI_CONFIG
 };
 ScreenState currentScreen = SCREEN_DASHBOARD;
 
@@ -589,6 +590,65 @@ void drawIndexCustomizeScreen() {
   lcd.drawString("CANCEL", SCREEN_WIDTH - 95, SCREEN_HEIGHT - 30);
 }
 
+void drawWifiConfigScreen() {
+  lcd.fillScreen(TFT_BLACK);
+
+  lcd.fillSmoothRoundRect(0, 0, SCREEN_WIDTH, 50, 8, TFT_ORANGE);
+  lcd.setTextColor(TFT_WHITE, TFT_ORANGE);
+  lcd.setFont(&fonts::DejaVu24);
+  lcd.setTextDatum(textdatum_t::middle_center);
+  lcd.drawString("WIFI CONFIGURATION", SCREEN_WIDTH / 2, 25);
+
+  preferences.begin("wifi", true);
+  String currentSsid = preferences.getString("ssid", "");
+  preferences.end();
+
+  lcd.setTextColor(TFT_WHITE, TFT_BLACK);
+  lcd.setFont(&fonts::DejaVu18);
+  lcd.setTextDatum(textdatum_t::middle_left);
+  lcd.drawString("Current SSID:", 100, 80);
+
+  lcd.fillSmoothRoundRect(100, 100, 600, 40, 6, TFT_DARKGRAY);
+  lcd.setTextColor(TFT_WHITE, TFT_DARKGRAY);
+  lcd.setTextDatum(textdatum_t::middle_left);
+  if (currentSsid.length() > 0) {
+    lcd.drawString(currentSsid, 120, 120);
+  } else {
+    lcd.setTextColor(TFT_GRAY, TFT_DARKGRAY);
+    lcd.drawString("(not configured)", 120, 120);
+  }
+
+  lcd.setTextColor(TFT_WHITE, TFT_BLACK);
+  lcd.drawString("New SSID:", 100, 170);
+
+  lcd.fillSmoothRoundRect(100, 190, 600, 40, 6, TFT_ORANGE);
+  lcd.setTextColor(TFT_WHITE, TFT_ORANGE);
+  lcd.setTextDatum(textdatum_t::middle_left);
+  String ssidDisplay = String(keyboardBuffer);
+  if (ssidDisplay.length() == 0) ssidDisplay = "_";
+  lcd.drawString(ssidDisplay, 120, 210);
+
+  lcd.setTextColor(TFT_WHITE, TFT_BLACK);
+  lcd.drawString("Password:", 100, 260);
+
+  lcd.fillSmoothRoundRect(100, 280, 600, 40, 6, TFT_DARKGRAY);
+  lcd.setTextColor(TFT_GRAY, TFT_DARKGRAY);
+  lcd.setTextDatum(textdatum_t::middle_left);
+  lcd.drawString("(tap to enter)", 120, 300);
+
+  drawKeyboard(350);
+
+  lcd.fillSmoothRoundRect(100, SCREEN_HEIGHT - 50, 150, 40, 8, TFT_GRAY);
+  lcd.setTextColor(TFT_WHITE, TFT_GRAY);
+  lcd.setFont(&fonts::DejaVu18);
+  lcd.setTextDatum(textdatum_t::middle_center);
+  lcd.drawString("BACK", 175, SCREEN_HEIGHT - 30);
+
+  lcd.fillSmoothRoundRect(SCREEN_WIDTH - 250, SCREEN_HEIGHT - 50, 150, 40, 8, TFT_GREEN);
+  lcd.setTextColor(TFT_WHITE, TFT_GREEN);
+  lcd.drawString("SAVE", SCREEN_WIDTH - 175, SCREEN_HEIGHT - 30);
+}
+
 void drawDashboard() {
   lcd.fillScreen(TFT_BLACK);
 
@@ -766,6 +826,36 @@ bool handleStockCustomizeTouch(int32_t x, int32_t y) {
   return false;
 }
 
+bool handleWifiConfigTouch(int32_t x, int32_t y) {
+  if (x >= 100 && x < 250 && y >= SCREEN_HEIGHT - 50 && y < SCREEN_HEIGHT - 10) {
+    currentScreen = SCREEN_DASHBOARD;
+    needsRefresh = true;
+    return true;
+  }
+
+  if (x >= SCREEN_WIDTH - 250 && x < SCREEN_WIDTH - 100 && y >= SCREEN_HEIGHT - 50 && y < SCREEN_HEIGHT - 10) {
+    if (keyboardPos > 0) {
+      preferences.begin("wifi", false);
+      preferences.putString("ssid", keyboardBuffer);
+      preferences.end();
+      currentScreen = SCREEN_DASHBOARD;
+      needsRefresh = true;
+    }
+    return true;
+  }
+
+  if (x >= 100 && x < 700 && y >= 190 && y < 230) {
+    return true;
+  }
+
+  int keyboardY = 350;
+  if (handleKeyboardTouch(x, y, keyboardY)) {
+    return true;
+  }
+
+  return false;
+}
+
 bool handleIndexCustomizeTouch(int32_t x, int32_t y) {
   int listY = 60;
   int itemHeight = 40;
@@ -873,6 +963,13 @@ bool handleDashboardTouch(int32_t x, int32_t y) {
     return true;
   }
 
+  if (x >= 20 && x < 200 && y >= SCREEN_HEIGHT - 40 && y < SCREEN_HEIGHT) {
+    currentScreen = SCREEN_WIFI_CONFIG;
+    keyboardPos = 0;
+    keyboardBuffer[0] = '\0';
+    return true;
+  }
+
   return true;
 }
 
@@ -974,6 +1071,9 @@ void loop() {
       case SCREEN_CUSTOMIZE_INDICES:
         handleIndexCustomizeTouch(x, y);
         break;
+      case SCREEN_WIFI_CONFIG:
+        handleWifiConfigTouch(x, y);
+        break;
     }
 
     if (!needsRefresh) {
@@ -989,6 +1089,9 @@ void loop() {
         case SCREEN_CUSTOMIZE_INDICES:
           drawIndexCustomizeScreen();
           break;
+        case SCREEN_WIFI_CONFIG:
+          drawWifiConfigScreen();
+          break;
       }
     }