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FabledApp/lib/widgets/voice_mic_button.dart
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bvandeusen b9e68e3bc8 feat(design): surface phase — Lucide icons, input radius, Illuminated Transcript, ActionColors
Per-screen application of the design system to the Flutter app.
Mirrors the web's surface phase landed in FabledScribe v26.04.28.1.
Foundation port shipped in 0f05f47; this is the surface work.

Lucide icon migration
- Added lucide_icons ^0.257.0 dependency
- 107 Material Icons references → LucideIcons across 21 files. Drop-in
  IconData swap (Icon(LucideIcons.X) instead of Icon(Icons.x)).
- Lucide import added to each touched file.

Input border radius
- theme.dart inputDecorationTheme borderRadius 24 → 8 in both light
  and dark themes. Doc says radius-md (8px) for inputs; previous pill
  shape was Material default that the doc deviates from.

Illuminated Transcript pattern (ChatMessageBubble)
- User bubble: accent-tinted border → neutral Pewter (scheme.outline).
  Asymmetric corner already correct (bottomRight 4px).
- Assistant bubble: topLeft corner 4 → 16; only bottomLeft stays 4
  (the "tail" effect, mirroring web's `border-bottom-left-radius: 4px`).
  Background switched from surfaceContainerHighest (Slate) to surface
  (Iron) per the doc spec "card surface".
- Assistant bubble glow shadow added — accent-tinted blur (28px alpha
  0.14) + depth shadow (8px alpha 0.4 black). Mirrors web's
  --color-bubble-asst-shadow.

ActionColors wiring (Hybrid rule)
- 5 'Delete' confirm buttons across notes / tasks / chat conversations
  / calendar event sheet → Oxblood action-destructive via the
  ActionColors ThemeExtension defined in the foundation port. Foreground
  for ghost/text variants, backgroundColor for filled.
- Calendar event Save button → Moss action-primary. The first call
  site to wire ActionColors.primary; serves as the pattern for future
  Save reclassifications.
- Other Save buttons (note edit, task edit, project edit, etc.) still
  flow through colorScheme.primary (dusty violet) and read as
  brand-moment. Reclassifying those is deferred — the wiring pattern
  is established and can be applied incrementally as files are touched.

Indigo cleanup
- 4 hardcoded #7C3AED / #5B21B6 literals → dusty-violet equivalents
  (#5B4A8A / #3F3560). Spots: project_tasks_screen color fallback
  (×2), journal_screen gradient.

Verification
- flutter analyze: No issues found

What's deferred
- Per-screen Save / Cancel reclassification beyond the calendar event
  Save button. Wiring pattern established; rollout opportunistic.
- Long-form 1.7 line-height on assistant Markdown content (would
  require MarkdownStyleSheet work; minor).
- Surface walk on Knowledge / Projects / Settings screens for any
  hardcoded styling that needs touch.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-04-28 19:14:28 -04:00

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import 'package:flutter/material.dart';
import 'package:lucide_icons/lucide_icons.dart';
import '../providers/voice_provider.dart';
/// Animated mic button that reflects the current [VoiceMode].
///
/// - idle: muted background, mic_none icon
/// - recording: red, pulses with live [amplitude] for real-time feedback
/// - transcribing: indigo with spinner
/// - playing: indigo with volume_up icon
class VoiceMicButton extends StatelessWidget {
final VoiceMode mode;
final bool voiceModeActive;
/// Live mic amplitude 0.01.0 while recording. Drives the button scale
/// and glow so the user has obvious feedback that audio is being picked
/// up. Ignored when not in [VoiceMode.recording].
final double amplitude;
final VoidCallback? onTap;
const VoiceMicButton({
super.key,
required this.mode,
required this.voiceModeActive,
this.amplitude = 0.0,
this.onTap,
});
Color _bgColor(BuildContext context) {
final cs = Theme.of(context).colorScheme;
return switch (mode) {
VoiceMode.recording => const Color(0xFFEF4444),
VoiceMode.transcribing || VoiceMode.playing => cs.primary,
VoiceMode.idle => cs.surfaceContainerHighest,
};
}
Widget _icon(BuildContext context) {
final cs = Theme.of(context).colorScheme;
final iconColor =
mode == VoiceMode.idle ? cs.onSurfaceVariant : Colors.white;
return switch (mode) {
VoiceMode.transcribing => SizedBox(
width: 18,
height: 18,
child: CircularProgressIndicator(
strokeWidth: 2,
color: iconColor,
),
),
VoiceMode.playing => Icon(LucideIcons.volume2, color: iconColor, size: 20),
_ => Icon(LucideIcons.mic, color: iconColor, size: 20),
};
}
@override
Widget build(BuildContext context) {
final isRecording = mode == VoiceMode.recording;
final button = Material(
color: _bgColor(context),
shape: const CircleBorder(),
child: InkWell(
customBorder: const CircleBorder(),
onTap: onTap,
child: SizedBox(
width: 40,
height: 40,
child: Center(child: _icon(context)),
),
),
);
if (!isRecording) return button;
// Base pulse so silence still breathes (0.1 floor), scale + glow climb
// linearly with live amplitude.
final amp = amplitude.clamp(0.0, 1.0);
final pulse = 0.1 + amp * 0.9;
return AnimatedContainer(
duration: const Duration(milliseconds: 120),
curve: Curves.easeOut,
decoration: BoxDecoration(
shape: BoxShape.circle,
boxShadow: [
BoxShadow(
color: const Color(0xFFEF4444).withValues(alpha: 0.2 + pulse * 0.3),
blurRadius: 6 + pulse * 14,
spreadRadius: 1 + pulse * 5,
),
],
),
child: AnimatedScale(
scale: 1.0 + pulse * 0.18,
duration: const Duration(milliseconds: 120),
curve: Curves.easeOut,
child: button,
),
);
}
}