getTheme static method

ThemeData? getTheme(TelegramWebApp telegram)

Implementation

static ThemeData? getTheme(TelegramWebApp telegram) {
  ThemeData theme =
      telegram.colorScheme == TelegramColorScheme.dark ? ThemeData.dark() : ThemeData.light();

  return theme.copyWith(
    primaryColor: telegram.themeParams.headerBgColor,
    scaffoldBackgroundColor: telegram.themeParams.sectionBgColor,
    progressIndicatorTheme: ProgressIndicatorThemeData(color: telegram.themeParams.buttonColor),
    textSelectionTheme: TextSelectionThemeData(
      cursorColor: telegram.themeParams.accentTextColor,
      selectionHandleColor: telegram.themeParams.accentTextColor,
      selectionColor: telegram.themeParams.accentTextColor?.withAlpha(150),
    ),
    elevatedButtonTheme: ElevatedButtonThemeData(
      style: ElevatedButton.styleFrom(
        backgroundColor: telegram.themeParams.sectionBgColor,
        textStyle: TextStyle(
          color: telegram.themeParams.buttonTextColor,
        ),
      ),
    ),
    segmentedButtonTheme: theme.segmentedButtonTheme.copyWith(
      style: ButtonStyle(
        shape: WidgetStateProperty.all(
          RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(8),
          ),
        ),
        iconColor: WidgetStateProperty.resolveWith<Color>(
          (Set<WidgetState> states) {
            if (!states.contains(WidgetState.selected)) {
              return telegram.themeParams.buttonColor ?? Colors.blue;
            }
            return telegram.themeParams.textColor ?? Colors.black;
          },
        ),
        backgroundColor: WidgetStateProperty.resolveWith<Color>(
          (Set<WidgetState> states) {
            if (states.contains(WidgetState.selected)) {
              return telegram.themeParams.buttonColor?.withAlpha(80) ?? Colors.blue;
            }
            return Colors.transparent;
          },
        ),
      ),
    ),
    outlinedButtonTheme: OutlinedButtonThemeData(
      style: theme.outlinedButtonTheme.style?.copyWith(
        textStyle: WidgetStateProperty.all(
          TextStyle(color: telegram.themeParams.buttonColor ?? Colors.blue),
        ),
        foregroundColor: WidgetStateProperty.all(
          telegram.themeParams.buttonColor ?? Colors.blue,
        ),
        surfaceTintColor: WidgetStateProperty.all(
          telegram.themeParams.buttonColor ?? Colors.blue,
        ),
        shape: WidgetStateProperty.all(
          RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(8),
          ),
        ),
        iconColor: WidgetStateProperty.resolveWith<Color>(
          (Set<WidgetState> states) {
            if (!states.contains(WidgetState.selected)) {
              return telegram.themeParams.buttonColor ?? Colors.blue;
            }
            return telegram.themeParams.textColor ?? Colors.black;
          },
        ),
        backgroundColor: WidgetStateProperty.resolveWith<Color>(
          (Set<WidgetState> states) {
            if (states.contains(WidgetState.selected)) {
              return telegram.themeParams.buttonColor?.withAlpha(80) ?? Colors.blue;
            }
            return Colors.transparent;
          },
        ),
      ),
    ),
    iconTheme: theme.iconTheme.copyWith(color: telegram.themeParams.textColor),
    textTheme: theme.textTheme.apply(
      bodyColor: telegram.themeParams.textColor,
      displayColor: telegram.themeParams.subtitleTextColor,
    ),
    colorScheme: theme.colorScheme.copyWith(
      secondary: telegram.themeParams.accentTextColor,
      error: telegram.themeParams.destructiveTextColor,
    ),
    highlightColor: telegram.themeParams.linkColor,
    hintColor: telegram.themeParams.hintColor,
    cardColor: telegram.themeParams.sectionBgColor,
    textButtonTheme: TextButtonThemeData(
      style: TextButton.styleFrom(
        foregroundColor: telegram.themeParams.buttonColor,
        textStyle: TextStyle(color: telegram.themeParams.buttonTextColor),
      ),
    ),
    radioTheme: RadioThemeData(
      fillColor: WidgetStateProperty.all(telegram.themeParams.accentTextColor),
      overlayColor: WidgetStateProperty.all(telegram.themeParams.accentTextColor?.withAlpha(20)),
    ),
    appBarTheme: theme.appBarTheme.copyWith(
      foregroundColor: telegram.themeParams.sectionHeaderTextColor,
      backgroundColor: telegram.themeParams.sectionBgColor,
      iconTheme: theme.appBarTheme.iconTheme?.copyWith(color: telegram.themeParams.textColor),
    ),
  );
}