feat(chat): Add floating app bar with blurred background styling

This commit is contained in:
cogwheel0
2025-12-11 11:57:52 +05:30
parent 8d8ad8478b
commit a2c20f7d1f

View File

@@ -938,6 +938,67 @@ class _ChatPageState extends ConsumerState<ChatPage> {
return messages.where((m) => _selectedMessageIds.contains(m.id)).toList();
}
/// Builds a styled container with high-contrast background for app bar
/// widgets, matching the floating chat input styling.
Widget _buildAppBarPill({
required BuildContext context,
required Widget child,
bool isCircular = false,
}) {
final theme = Theme.of(context);
final isDark = theme.brightness == Brightness.dark;
// Use same high-contrast colors as the floating chat input
final backgroundColor = isDark
? Color.lerp(context.conduitTheme.cardBackground, Colors.white, 0.08)!
: Color.lerp(context.conduitTheme.inputBackground, Colors.black, 0.06)!;
final borderColor = context.conduitTheme.cardBorder.withValues(
alpha: isDark ? 0.65 : 0.55,
);
final borderRadius = isCircular
? BorderRadius.circular(100)
: BorderRadius.circular(AppBorderRadius.pill);
// For circular buttons, ensure the entire widget is constrained to a square
if (isCircular) {
return SizedBox(
width: 44,
height: 44,
child: ClipRRect(
borderRadius: borderRadius,
child: BackdropFilter(
filter: ImageFilter.blur(sigmaX: 16, sigmaY: 16),
child: Container(
decoration: BoxDecoration(
color: backgroundColor.withValues(alpha: 0.85),
borderRadius: borderRadius,
border: Border.all(color: borderColor, width: BorderWidth.thin),
),
child: Center(child: child),
),
),
),
);
}
return ClipRRect(
borderRadius: borderRadius,
child: BackdropFilter(
filter: ImageFilter.blur(sigmaX: 16, sigmaY: 16),
child: Container(
decoration: BoxDecoration(
color: backgroundColor.withValues(alpha: 0.85),
borderRadius: borderRadius,
border: Border.all(color: borderColor, width: BorderWidth.thin),
),
child: child,
),
),
);
}
Widget _buildMessagesList(ThemeData theme) {
// Use select to watch only the messages list to reduce rebuilds
final messages = ref.watch(
@@ -969,7 +1030,9 @@ class _ChatPageState extends ConsumerState<ChatPage> {
// Use slivers to align with the actual messages view.
// Do not attach the primary scroll controller here to avoid
// AnimatedSwitcher attaching the same controller twice.
// Add bottom padding to account for floating input overlay.
// Add top padding for floating app bar, bottom padding for floating input.
final topPadding =
MediaQuery.of(context).padding.top + kToolbarHeight + Spacing.md;
final bottomPadding = Spacing.lg + _inputHeight;
return CustomScrollView(
key: const ValueKey('loading_messages'),
@@ -981,7 +1044,7 @@ class _ChatPageState extends ConsumerState<ChatPage> {
SliverPadding(
padding: EdgeInsets.fromLTRB(
Spacing.lg,
Spacing.md,
topPadding,
Spacing.lg,
bottomPadding,
),
@@ -1100,7 +1163,9 @@ class _ChatPageState extends ConsumerState<ChatPage> {
});
}
// Add bottom padding to account for floating input overlay.
// Add top padding for floating app bar, bottom padding for floating input.
final topPadding =
MediaQuery.of(context).padding.top + kToolbarHeight + Spacing.md;
final bottomPadding = Spacing.lg + _inputHeight;
return CustomScrollView(
key: const ValueKey('actual_messages'),
@@ -1112,7 +1177,7 @@ class _ChatPageState extends ConsumerState<ChatPage> {
SliverPadding(
padding: EdgeInsets.fromLTRB(
Spacing.lg,
Spacing.md,
topPadding,
Spacing.lg,
bottomPadding,
),
@@ -1354,7 +1419,9 @@ class _ChatPageState extends ConsumerState<ChatPage> {
final greetingText = resolvedGreetingName != null
? l10n.onboardStartTitle(resolvedGreetingName)
: null;
// Add bottom padding to account for floating input overlay.
// Add top padding for floating app bar, bottom padding for floating input.
final topPadding =
MediaQuery.of(context).padding.top + kToolbarHeight + Spacing.md;
final bottomPadding = _inputHeight;
return LayoutBuilder(
builder: (context, constraints) {
@@ -1369,7 +1436,7 @@ class _ChatPageState extends ConsumerState<ChatPage> {
child: Padding(
padding: EdgeInsets.fromLTRB(
Spacing.lg,
0,
topPadding,
Spacing.lg,
bottomPadding,
),
@@ -1584,84 +1651,160 @@ class _ChatPageState extends ConsumerState<ChatPage> {
// Replace Scaffold drawer with a tunable slide drawer for gentler snap behavior.
drawerEnableOpenDragGesture: false,
drawerDragStartBehavior: DragStartBehavior.down,
extendBodyBehindAppBar: true,
appBar: AppBar(
backgroundColor: context.conduitTheme.surfaceBackground,
backgroundColor: Colors.transparent,
elevation: Elevation.none,
surfaceTintColor: Colors.transparent,
shadowColor: Colors.transparent,
toolbarHeight: kToolbarHeight + 8,
centerTitle: true,
titleSpacing: 0.0,
leadingWidth: 44 + Spacing.inputPadding + Spacing.xs,
leading: _isSelectionMode
? IconButton(
icon: Icon(
Platform.isIOS ? CupertinoIcons.xmark : Icons.close,
color: context.conduitTheme.textPrimary,
size: IconSize.appBar,
? Padding(
padding: const EdgeInsets.only(
left: Spacing.inputPadding,
),
child: Center(
child: GestureDetector(
onTap: _clearSelection,
child: _buildAppBarPill(
context: context,
isCircular: true,
child: Icon(
Platform.isIOS
? CupertinoIcons.xmark
: Icons.close,
color: context.conduitTheme.textPrimary,
size: IconSize.appBar,
),
),
),
),
onPressed: _clearSelection,
)
: Builder(
builder: (ctx) => Padding(
padding: const EdgeInsets.only(
left: Spacing.inputPadding,
),
child: IconButton(
onPressed: () {
final layout = ResponsiveDrawerLayout.of(ctx);
if (layout == null) return;
child: Center(
child: GestureDetector(
onTap: () {
final layout = ResponsiveDrawerLayout.of(ctx);
if (layout == null) return;
final isDrawerOpen = layout.isOpen;
if (!isDrawerOpen) {
try {
ref
.read(
composerAutofocusEnabledProvider
.notifier,
)
.set(false);
FocusManager.instance.primaryFocus
?.unfocus();
SystemChannels.textInput.invokeMethod(
'TextInput.hide',
);
} catch (_) {}
}
layout.toggle();
},
icon: Icon(
Platform.isIOS
? CupertinoIcons.line_horizontal_3
: Icons.menu,
color: context.conduitTheme.textPrimary,
size: IconSize.appBar,
final isDrawerOpen = layout.isOpen;
if (!isDrawerOpen) {
try {
ref
.read(
composerAutofocusEnabledProvider
.notifier,
)
.set(false);
FocusManager.instance.primaryFocus
?.unfocus();
SystemChannels.textInput.invokeMethod(
'TextInput.hide',
);
} catch (_) {}
}
layout.toggle();
},
child: _buildAppBarPill(
context: ctx,
isCircular: true,
child: Icon(
Platform.isIOS
? CupertinoIcons.line_horizontal_3
: Icons.menu,
color: context.conduitTheme.textPrimary,
size: IconSize.appBar,
),
),
),
),
),
),
title: _isSelectionMode
? Text(
'${_selectedMessageIds.length} selected',
style: AppTypography.headlineSmallStyle.copyWith(
color: context.conduitTheme.textPrimary,
fontWeight: FontWeight.w500,
? _buildAppBarPill(
context: context,
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: Spacing.md,
vertical: Spacing.sm,
),
child: Text(
'${_selectedMessageIds.length} selected',
style: AppTypography.headlineSmallStyle.copyWith(
color: context.conduitTheme.textPrimary,
fontWeight: FontWeight.w500,
),
),
),
)
: LayoutBuilder(
builder: (context, constraints) {
return GestureDetector(
// Build title pill (tappable for context menu)
Widget? titlePill;
if (displayConversationTitle != null) {
titlePill = GestureDetector(
onTap: () {
final conversation = ref.read(
activeConversationProvider,
);
if (conversation == null) return;
showConversationContextMenu(
context: context,
ref: ref,
conversation: conversation,
);
},
child: _buildAppBarPill(
context: context,
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: Spacing.md,
vertical: Spacing.xs,
),
child: ConstrainedBox(
constraints: BoxConstraints(
maxWidth:
constraints.maxWidth - Spacing.xxxl,
),
child: StreamingTitleText(
title: displayConversationTitle,
style: AppTypography.headlineSmallStyle
.copyWith(
color: context
.conduitTheme
.textPrimary,
fontWeight: FontWeight.w600,
fontSize: 16,
height: 1.3,
),
cursorColor: context
.conduitTheme
.textPrimary
.withValues(alpha: 0.8),
),
),
),
),
);
}
// Build model selector pill
final modelPill = GestureDetector(
onTap: () async {
final modelsAsync = ref.read(modelsProvider);
// Handle all async states properly
if (modelsAsync.isLoading) {
// If still loading, wait for it to complete
try {
final models = await ref.read(
modelsProvider.future,
);
// Check mounted and use context immediately
// together
if (!mounted) return;
// ignore: use_build_context_synchronously
_showModelDropdown(context, ref, models);
@@ -1673,23 +1816,17 @@ class _ChatPageState extends ConsumerState<ChatPage> {
);
}
} else if (modelsAsync.hasValue) {
// If we have data, show immediately (no async
// gap)
_showModelDropdown(
context,
ref,
modelsAsync.value!,
);
} else if (modelsAsync.hasError) {
// If there's an error, try to refresh and
// load
try {
ref.invalidate(modelsProvider);
final models = await ref.read(
modelsProvider.future,
);
// Check mounted and use context immediately
// together
if (!mounted) return;
// ignore: use_build_context_synchronously
_showModelDropdown(context, ref, models);
@@ -1702,238 +1839,88 @@ class _ChatPageState extends ConsumerState<ChatPage> {
}
}
},
onLongPress: () {
final conversation = ref.read(
activeConversationProvider,
);
if (conversation == null) return;
showConversationContextMenu(
context: context,
ref: ref,
conversation: conversation,
);
},
child: ConstrainedBox(
constraints: BoxConstraints(
maxWidth: constraints.maxWidth,
),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
AnimatedSwitcher(
duration: const Duration(
milliseconds: 250,
),
switchInCurve: Curves.easeOutCubic,
switchOutCurve: Curves.easeInCubic,
child: displayConversationTitle != null
? Column(
key: ValueKey<String>(
displayConversationTitle,
),
mainAxisSize: MainAxisSize.min,
children: [
ConstrainedBox(
constraints: BoxConstraints(
maxWidth:
constraints.maxWidth,
),
child: StreamingTitleText(
title:
displayConversationTitle,
style: AppTypography
.headlineSmallStyle
.copyWith(
color: context
.conduitTheme
.textPrimary,
fontWeight:
FontWeight.w600,
fontSize: 18,
height: 1.3,
),
cursorColor: context
.conduitTheme
.textPrimary
.withValues(alpha: 0.8),
),
),
const SizedBox(
height: Spacing.xs,
),
],
)
: const SizedBox.shrink(
key: ValueKey<String>(
'empty-title',
),
),
),
Transform.translate(
offset: const Offset(0, 0),
child: () {
const double iconPaddingX = Spacing.xs;
const double iconPaddingY = Spacing.xxs;
const double iconWidth = IconSize.small;
const double iconBoxWidth =
(iconPaddingX * 2) +
(BorderWidth.thin * 2) +
iconWidth;
final double maxLabelWidth =
(constraints.maxWidth -
(iconBoxWidth * 2) -
(Spacing.xs * 2))
.clamp(
48.0,
constraints.maxWidth,
);
final row = Row(
mainAxisAlignment:
MainAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
Opacity(
opacity: 0.0,
child: Container(
padding:
const EdgeInsets.symmetric(
horizontal: iconPaddingX,
vertical: iconPaddingY,
),
decoration: BoxDecoration(
color: context
.conduitTheme
.surfaceBackground
.withValues(alpha: 0.3),
borderRadius:
BorderRadius.circular(
AppBorderRadius.badge,
),
border: Border.all(
color: context
.conduitTheme
.dividerColor,
width: BorderWidth.thin,
),
),
child: Icon(
Platform.isIOS
? CupertinoIcons
.chevron_down
: Icons
.keyboard_arrow_down,
color: context
.conduitTheme
.iconSecondary,
size: iconWidth,
),
),
),
const SizedBox(width: Spacing.xs),
ConstrainedBox(
constraints: BoxConstraints(
maxWidth: maxLabelWidth,
),
child: MiddleEllipsisText(
modelLabel,
style: modelTextStyle,
textAlign: TextAlign.center,
semanticsLabel: modelLabel,
),
),
const SizedBox(width: Spacing.xs),
Container(
padding:
const EdgeInsets.symmetric(
horizontal: iconPaddingX,
vertical: iconPaddingY,
),
decoration: BoxDecoration(
color: context
.conduitTheme
.surfaceBackground
.withValues(alpha: 0.3),
borderRadius:
BorderRadius.circular(
AppBorderRadius.badge,
),
border: Border.all(
color: context
.conduitTheme
.dividerColor,
width: BorderWidth.thin,
),
),
child: Icon(
Platform.isIOS
? CupertinoIcons
.chevron_down
: Icons.keyboard_arrow_down,
color: context
.conduitTheme
.iconSecondary,
size: iconWidth,
),
),
],
);
final constrainedRow = ConstrainedBox(
constraints: BoxConstraints(
maxWidth: constraints.maxWidth,
),
child: row,
);
return hasConversationTitle
? SizedBox(
height: 24,
child: constrainedRow,
)
: constrainedRow;
}(),
),
if (isReviewerMode)
Padding(
padding: const EdgeInsets.only(
top: 2.0,
child: _buildAppBarPill(
context: context,
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: Spacing.sm,
vertical: Spacing.xs,
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
ConstrainedBox(
constraints: BoxConstraints(
maxWidth:
constraints.maxWidth -
Spacing.xxl,
),
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: Spacing.sm,
vertical: 1.0,
),
decoration: BoxDecoration(
color: context.conduitTheme.success
.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(
AppBorderRadius.badge,
),
border: Border.all(
color: context
.conduitTheme
.success
.withValues(alpha: 0.3),
width: BorderWidth.thin,
),
),
child: Text(
'REVIEWER MODE',
style: AppTypography.captionStyle
.copyWith(
color: context
.conduitTheme
.success,
fontWeight: FontWeight.w600,
fontSize: 9,
),
),
child: MiddleEllipsisText(
modelLabel,
style: modelTextStyle,
textAlign: TextAlign.center,
semanticsLabel: modelLabel,
),
),
],
const SizedBox(width: Spacing.xs),
Icon(
Platform.isIOS
? CupertinoIcons.chevron_down
: Icons.keyboard_arrow_down,
color:
context.conduitTheme.iconSecondary,
size: IconSize.small,
),
],
),
),
),
);
return Column(
mainAxisSize: MainAxisSize.min,
children: [
if (titlePill != null) ...[
titlePill,
const SizedBox(height: Spacing.xs),
],
modelPill,
if (isReviewerMode)
Padding(
padding: const EdgeInsets.only(
top: Spacing.xs,
),
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: Spacing.sm,
vertical: 1.0,
),
decoration: BoxDecoration(
color: context.conduitTheme.success
.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(
AppBorderRadius.badge,
),
border: Border.all(
color: context.conduitTheme.success
.withValues(alpha: 0.3),
width: BorderWidth.thin,
),
),
child: Text(
'REVIEWER MODE',
style: AppTypography.captionStyle
.copyWith(
color:
context.conduitTheme.success,
fontWeight: FontWeight.w600,
fontSize: 9,
),
),
),
),
],
);
},
),
actions: [
@@ -1942,26 +1929,43 @@ class _ChatPageState extends ConsumerState<ChatPage> {
padding: const EdgeInsets.only(
right: Spacing.inputPadding,
),
child: IconButton(
icon: Icon(
Platform.isIOS
? CupertinoIcons.create
: Icons.add_comment,
color: context.conduitTheme.textPrimary,
size: IconSize.appBar,
child: Tooltip(
message: AppLocalizations.of(context)!.newChat,
child: GestureDetector(
onTap: _handleNewChat,
child: _buildAppBarPill(
context: context,
isCircular: true,
child: Icon(
Platform.isIOS
? CupertinoIcons.create
: Icons.add_comment,
color: context.conduitTheme.textPrimary,
size: IconSize.appBar,
),
),
),
onPressed: _handleNewChat,
tooltip: AppLocalizations.of(context)!.newChat,
),
),
] else ...[
IconButton(
icon: Icon(
Platform.isIOS ? CupertinoIcons.delete : Icons.delete,
color: context.conduitTheme.error,
size: IconSize.appBar,
Padding(
padding: const EdgeInsets.only(
right: Spacing.inputPadding,
),
child: GestureDetector(
onTap: _deleteSelectedMessages,
child: _buildAppBarPill(
context: context,
isCircular: true,
child: Icon(
Platform.isIOS
? CupertinoIcons.delete
: Icons.delete,
color: context.conduitTheme.error,
size: IconSize.appBar,
),
),
),
onPressed: _deleteSelectedMessages,
),
],
],
@@ -2092,6 +2096,37 @@ class _ChatPageState extends ConsumerState<ChatPage> {
),
),
// Floating app bar gradient overlay
Positioned(
top: 0,
left: 0,
right: 0,
child: IgnorePointer(
child: Container(
height:
MediaQuery.of(context).padding.top +
kToolbarHeight +
Spacing.xl,
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
stops: const [0.0, 0.6, 1.0],
colors: [
theme.scaffoldBackgroundColor,
theme.scaffoldBackgroundColor.withValues(
alpha: 0.85,
),
theme.scaffoldBackgroundColor.withValues(
alpha: 0.0,
),
],
),
),
),
),
),
// Floating Scroll to Bottom Button with smooth appear/disappear
Positioned(
bottom: