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547 lines
18 KiB
Dart
547 lines
18 KiB
Dart
import 'package:easy_localization/easy_localization.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_svg/flutter_svg.dart';
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import 'package:hmg_patient_app_new/core/app_assets.dart';
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import 'package:hmg_patient_app_new/core/app_export.dart';
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import 'package:hmg_patient_app_new/core/dependencies.dart';
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import 'package:hmg_patient_app_new/core/utils/utils.dart';
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import 'package:hmg_patient_app_new/extensions/string_extensions.dart';
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import 'package:hmg_patient_app_new/extensions/widget_extensions.dart';
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import 'package:hmg_patient_app_new/features/profile_settings/profile_settings_view_model.dart';
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import 'package:hmg_patient_app_new/generated/locale_keys.g.dart';
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import 'package:hmg_patient_app_new/services/dialog_service.dart';
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import 'package:hmg_patient_app_new/theme/colors.dart';
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import 'package:hmg_patient_app_new/widgets/appbar/collapsing_list_view.dart';
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import 'package:hmg_patient_app_new/widgets/buttons/custom_button.dart';
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import 'package:provider/provider.dart';
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import 'package:screen_brightness/screen_brightness.dart';
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enum VisualMode { off, invert, dim, highContrast }
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class AccessibilityPage extends StatefulWidget {
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const AccessibilityPage({super.key});
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@override
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State<AccessibilityPage> createState() => _AccessibilityPageState();
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}
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class _AccessibilityPageState extends State<AccessibilityPage> {
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late ProfileSettingsViewModel profileSettingsViewModel;
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int _currentFontSizeStep = 2; // 0: Small, 1: Small-Medium, 2: Medium (default), 3: Medium-Large, 4: Large
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VisualMode _selectedMode = VisualMode.off;
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// Screen brightness control
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final ScreenBrightness _screenBrightness = ScreenBrightness();
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addPostFrameCallback((_) async {
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if (mounted) {
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profileSettingsViewModel = Provider.of<ProfileSettingsViewModel>(context, listen: false);
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// Load saved settings from ViewModel
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_loadSavedSettings();
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}
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});
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}
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void _loadSavedSettings() {
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setState(() {
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_currentFontSizeStep = profileSettingsViewModel.fontSizeStep;
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_selectedMode = _visualModeFromString(profileSettingsViewModel.visualMode);
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});
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}
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VisualMode _visualModeFromString(String mode) {
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switch (mode) {
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case 'off':
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return VisualMode.off;
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case 'invert':
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return VisualMode.invert;
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case 'dim':
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return VisualMode.dim;
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case 'highContrast':
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return VisualMode.highContrast;
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default:
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return VisualMode.off;
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}
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}
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String _visualModeToString(VisualMode mode) {
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switch (mode) {
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case VisualMode.off:
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return 'off';
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case VisualMode.invert:
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return 'invert';
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case VisualMode.dim:
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return 'dim';
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case VisualMode.highContrast:
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return 'highContrast';
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}
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}
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@override
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void dispose() {
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// Reset to system brightness when leaving accessibility page
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// This ensures we don't keep the preview brightness when navigating away
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_screenBrightness.resetScreenBrightness();
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super.dispose();
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}
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/// Apply brightness based on visual mode
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Future<void> _applyBrightness(VisualMode mode) async {
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try {
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switch (mode) {
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case VisualMode.dim:
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// Reduce brightness to 40% for dim mode
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await _screenBrightness.setScreenBrightness(0.4);
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break;
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case VisualMode.off:
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case VisualMode.invert:
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case VisualMode.highContrast:
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// Reset to system brightness for other modes
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await _screenBrightness.resetScreenBrightness();
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break;
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}
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} catch (e) {
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print('Error setting brightness: $e');
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}
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}
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double _getFontSizeForStep(int step) {
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const double mediumSize = 40.0; // Medium is baseline
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switch (step) {
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case 0:
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return mediumSize * 0.5; // Small: 20.0
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case 1:
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return mediumSize * 0.75; // Small-Medium: 30.0
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case 2:
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return mediumSize; // Medium (default): 40.0
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case 3:
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return mediumSize * 1.5; // Medium-Large: 60.0
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case 4:
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return mediumSize * 1.75; // Large: 70.0
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default:
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return mediumSize;
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}
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}
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@override
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Widget build(BuildContext context) {
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profileSettingsViewModel = Provider.of<ProfileSettingsViewModel>(context, listen: false);
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return CollapsingListView(
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title: LocaleKeys.accessibility.tr(context: context),
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isClose: true,
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bottomChild: Container(
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padding: EdgeInsets.all(24.w),
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decoration: RoundedRectangleBorder().toSmoothCornerDecoration(
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color: AppColors.whiteColor,
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borderRadius: 24.r,
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hasShadow: false,
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),
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child: CustomButton(
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height: 56.h,
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icon: AppAssets.checkmark_icon,
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iconColor: AppColors.whiteColor,
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text: LocaleKeys.saveChanges.tr(context: context),
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backgroundColor: AppColors.primaryRedColor,
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borderColor: AppColors.primaryRedColor,
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textColor: AppColors.whiteColor,
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fontSize: 16.f,
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isBold: true,
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onPressed: () async {
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// Save accessibility settings to ViewModel
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profileSettingsViewModel.setFontSizeStep(_currentFontSizeStep);
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profileSettingsViewModel.setVisualMode(_visualModeToString(_selectedMode));
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// Apply brightness changes based on selected mode
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await _applyBrightness(_selectedMode);
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// Show success bottom sheet
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getIt<DialogService>().showSuccessBottomSheetWithoutH(
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message: LocaleKeys.settingsSavedSuccessfully.tr(context: context),
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onOkPressed: () {
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Navigator.pop(context);
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},
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);
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},
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),
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),
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child: SingleChildScrollView(
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padding: EdgeInsets.only(top: 16.h, bottom: 24.h, left: 24.w, right: 24.w),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Font Size Card
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_buildFontSizeCard(),
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SizedBox(height: 24.h),
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// Mode for Partially Blind Card
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_buildVisualModeCard(),
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],
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),
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),
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);
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}
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Widget _buildFontSizeCard() {
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return Container(
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padding: EdgeInsets.all(24.w),
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decoration: RoundedRectangleBorder().toSmoothCornerDecoration(
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color: AppColors.whiteColor,
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borderRadius: 24.r,
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hasShadow: false,
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Card Label
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LocaleKeys.fontSize.tr(context: context).toText18(isBold: true),
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SizedBox(height: 24.h),
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// Center Aa heading that changes size
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Container(
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height: 70.h,
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child: Center(
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child: AnimatedDefaultTextStyle(
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duration: const Duration(milliseconds: 300),
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style: TextStyle(
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fontSize: _getFontSizeForStep(_currentFontSizeStep),
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fontWeight: FontWeight.bold,
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color: AppColors.blackBgColor,
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),
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child: const Text("Aa"),
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),
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),
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),
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SizedBox(height: 32.h),
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// Stepped slider
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Column(
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children: [
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// Stack to position circles on top of the bar
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Stack(
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alignment: Alignment.center,
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children: [
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// Grey bar
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Container(
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height: 4.h,
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decoration: BoxDecoration(
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color: AppColors.greyTextColor.withValues(alpha: 0.2),
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borderRadius: BorderRadius.circular(2.r),
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),
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),
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// Step indicator with dots positioned on top of the bar
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: List.generate(5, (index) {
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bool isSelected = index == _currentFontSizeStep;
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return GestureDetector(
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onTap: () {
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setState(() {
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_currentFontSizeStep = index;
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});
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},
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behavior: HitTestBehavior.opaque,
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child: Padding(
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padding: EdgeInsets.all(8.w), // Increased tap zone
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child: Container(
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width: isSelected ? 20.w : 12.w,
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height: isSelected ? 20.w : 12.w,
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decoration: BoxDecoration(
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color: isSelected ? AppColors.primaryRedColor : Colors.transparent,
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shape: BoxShape.circle,
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border: Border.all(
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color: isSelected ? AppColors.primaryRedColor : AppColors.greyTextColor.withValues(alpha: 0.3),
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width: 2.w,
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),
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),
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),
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),
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);
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}),
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),
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],
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),
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SizedBox(height: 12.h),
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// Labels
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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LocaleKeys.fontSizeSmall.tr(context: context).toText12(color: AppColors.textColor, fontWeight: FontWeight.w600),
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LocaleKeys.fontSizeMedium.tr(context: context).toText12(color: AppColors.textColor, fontWeight: FontWeight.w600),
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LocaleKeys.fontSizeLarge.tr(context: context).toText12(color: AppColors.textColor, fontWeight: FontWeight.w600),
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],
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),
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],
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),
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],
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),
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);
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}
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Widget _buildVisualModeCard() {
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return Container(
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padding: EdgeInsets.all(24.w),
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decoration: RoundedRectangleBorder().toSmoothCornerDecoration(
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color: AppColors.whiteColor,
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borderRadius: 24.r,
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hasShadow: false,
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Card Label
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LocaleKeys.blindModes.tr(context: context).toText18(isBold: true),
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SizedBox(height: 24.h),
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// Two columns layout
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Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Left Column - Radio buttons
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Expanded(
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flex: 2,
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child: Column(
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children: [
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_buildRadioOption(VisualMode.off, LocaleKeys.offTheme.tr(context: context)),
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SizedBox(height: 12.h),
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_buildRadioOption(VisualMode.invert, LocaleKeys.invertTheme.tr(context: context)),
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SizedBox(height: 12.h),
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_buildRadioOption(VisualMode.dim, LocaleKeys.dimTheme.tr(context: context)),
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SizedBox(height: 12.h),
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_buildRadioOption(VisualMode.highContrast, LocaleKeys.highContrastTheme.tr(context: context)),
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],
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),
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),
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SizedBox(width: 16.w),
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// Right Column - Preview Card
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Expanded(
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flex: 3,
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child: _buildPreviewCard(),
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),
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],
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),
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],
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),
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);
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}
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Widget _buildRadioOption(VisualMode mode, String label) {
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bool isSelected = _selectedMode == mode;
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return GestureDetector(
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onTap: () {
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setState(() {
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_selectedMode = mode;
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});
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},
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child: Row(
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children: [
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Container(
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width: 20.w,
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height: 20.w,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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border: Border.all(
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color: isSelected ? AppColors.primaryRedColor : AppColors.greyTextColor,
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width: 2.w,
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),
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color: Colors.transparent,
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),
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child: isSelected
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? Center(
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child: Container(
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width: 10.w,
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height: 10.w,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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color: AppColors.primaryRedColor,
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),
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),
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)
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: null,
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),
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SizedBox(width: 8.w),
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label.toText14(isBold: isSelected, color: isSelected ? AppColors.textColor : AppColors.textColor, weight: FontWeight.w600),
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],
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),
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);
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}
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Widget _buildPreviewCard() {
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// Always build preview content with base "Off" mode colors
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// Use raw widgets WITHOUT preservation wrappers to isolate from saved visual mode
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Widget previewContent = Container(
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padding: EdgeInsets.all(16.w),
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decoration: RoundedRectangleBorder().toSmoothCornerDecoration(
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color: AppColors.whiteColor,
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borderRadius: 20.r,
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isCustomShadow: [
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BoxShadow(
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color: const Color(0xff000000).withValues(alpha: 0.1),
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blurRadius: 16,
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spreadRadius: 16 * 0.1, // 10% of blur radius
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offset: const Offset(0, 0), // Uniform shadow on all sides
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),
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],
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Top row with heading and arrow
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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LocaleKeys.cardHeading.tr(context: context).toText14(
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isBold: true,
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color: AppColors.blackBgColor, // Always use base color
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),
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Transform.scale(
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scaleX: Utils.appState.isArabic() ? -1 : 1,
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child: SvgPicture.asset(
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AppAssets.arrow_forward,
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colorFilter: ColorFilter.mode(AppColors.blackBgColor, BlendMode.srcIn),
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width: 24.w,
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height: 24.h,
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),
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),
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],
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),
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SizedBox(height: 16.h),
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// Price with SAR symbol
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Row(
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children: [
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"1234".toText24(
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isBold: true,
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color: AppColors.blackBgColor, // Always use base color
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),
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SizedBox(width: 4.w),
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SvgPicture.asset(
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AppAssets.saudi_riyal_icon,
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colorFilter: ColorFilter.mode(AppColors.blackBgColor, BlendMode.srcIn),
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width: 16.w,
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height: 16.h,
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),
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],
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),
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SizedBox(height: 16.h),
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// Button - simple container without preservation wrappers
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Container(
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height: 44.h,
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padding: EdgeInsets.symmetric(horizontal: 16.w, vertical: 12.h),
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decoration: BoxDecoration(
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color: AppColors.primaryRedColor,
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borderRadius: BorderRadius.circular(12.r),
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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SvgPicture.asset(
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AppAssets.add_icon,
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colorFilter: ColorFilter.mode(AppColors.whiteColor, BlendMode.srcIn),
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width: 20.w,
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height: 20.h,
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),
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SizedBox(width: 8.w),
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LocaleKeys.buttonText.tr(context: context).toText14(
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isBold: true,
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color: AppColors.whiteColor,
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),
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],
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),
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),
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],
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),
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);
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// First, cancel out the global app filter by applying reverse filter
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Widget neutralizedContent = _cancelGlobalFilter(previewContent);
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// Then apply the selected mode filter on top of the neutralized content
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return _applySelectedModeFilter(neutralizedContent);
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}
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/// Cancel out the global app filter to get back to base colors
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Widget _cancelGlobalFilter(Widget child) {
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final savedMode = profileSettingsViewModel.visualMode;
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switch (savedMode) {
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case 'invert':
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// Global filter is invert, apply reverse (invert again) to get base colors
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return ColorFiltered(
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colorFilter: const ColorFilter.matrix(<double>[
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-1, 0, 0, 0, 255,
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0, -1, 0, 0, 255,
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0, 0, -1, 0, 255,
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0, 0, 0, 1, 0,
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]),
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child: child,
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);
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case 'dim':
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// Global filter has overlay, but we can't reverse an overlay
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// Just return child as-is (dim affects whole screen anyway)
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return child;
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case 'highContrast':
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// Global filter is grayscale, apply saturation boost to approximate reverse
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return ColorFiltered(
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colorFilter: const ColorFilter.matrix(<double>[
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1.5, 0, 0, 0, 0,
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0, 1.5, 0, 0, 0,
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0, 0, 1.5, 0, 0,
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0, 0, 0, 1, 0,
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]),
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child: child,
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);
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case 'off':
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default:
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// No global filter, return as-is
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return child;
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}
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}
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/// Apply the selected mode filter to the preview
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Widget _applySelectedModeFilter(Widget child) {
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switch (_selectedMode) {
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case VisualMode.invert:
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return ColorFiltered(
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colorFilter: const ColorFilter.matrix(<double>[
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-1, 0, 0, 0, 255, // Red channel inverted
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0, -1, 0, 0, 255, // Green channel inverted
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0, 0, -1, 0, 255, // Blue channel inverted
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0, 0, 0, 1, 0, // Alpha channel unchanged
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]),
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child: child,
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);
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case VisualMode.dim:
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// For dim mode, we control actual screen brightness
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// No filter is applied - images remain unchanged
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return child;
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case VisualMode.highContrast:
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return ColorFiltered(
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colorFilter: const ColorFilter.matrix(<double>[
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0.2126, 0.7152, 0.0722, 0, 0, // Red channel (grayscale)
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0.2126, 0.7152, 0.0722, 0, 0, // Green channel (grayscale)
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0.2126, 0.7152, 0.0722, 0, 0, // Blue channel (grayscale)
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0, 0, 0, 1, 0, // Alpha channel unchanged
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]),
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child: child,
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);
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case VisualMode.off:
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return child;
|
|
}
|
|
}
|
|
}
|