custom emoji tooltip

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/common/widgets/custom_tooltip.dart

@@ -0,0 +1,378 @@
+import 'dart:math' as math;
+import 'dart:ui' show clampDouble;
+
+import 'package:flutter/gestures.dart';
+import 'package:flutter/material.dart';
+
+enum TooltipType { top, right }
+
+class CustomTooltip extends StatefulWidget {
+  const CustomTooltip({
+    super.key,
+    this.type = TooltipType.top,
+    required this.overlayWidget,
+    required this.child,
+    this.indicator,
+  });
+
+  final TooltipType type;
+  final Widget child;
+  final Widget Function() overlayWidget;
+  final Widget Function()? indicator;
+
+  static final List<CustomTooltipState> _openedTooltips =
+      <CustomTooltipState>[];
+
+  static bool dismissAllToolTips() {
+    if (_openedTooltips.isNotEmpty) {
+      final List<CustomTooltipState> openedTooltips = _openedTooltips.toList();
+      for (final CustomTooltipState state in openedTooltips) {
+        assert(state.mounted);
+        state._scheduleDismissTooltip();
+      }
+      return true;
+    }
+    return false;
+  }
+
+  @override
+  State<CustomTooltip> createState() => CustomTooltipState();
+}
+
+class CustomTooltipState extends State<CustomTooltip>
+    with SingleTickerProviderStateMixin {
+  static const Duration _fadeInDuration = Duration(milliseconds: 150);
+  static const Duration _fadeOutDuration = Duration(milliseconds: 75);
+
+  final OverlayPortalController _overlayController = OverlayPortalController();
+
+  AnimationController? _backingController;
+  AnimationController get _controller {
+    return _backingController ??= AnimationController(
+      duration: _fadeInDuration,
+      reverseDuration: _fadeOutDuration,
+      vsync: this,
+    )..addStatusListener(_handleStatusChanged);
+  }
+
+  CurvedAnimation? _backingOverlayAnimation;
+  CurvedAnimation get _overlayAnimation {
+    return _backingOverlayAnimation ??= CurvedAnimation(
+      parent: _controller,
+      curve: Curves.fastOutSlowIn,
+    );
+  }
+
+  LongPressGestureRecognizer? _longPressRecognizer;
+
+  AnimationStatus _animationStatus = AnimationStatus.dismissed;
+  void _handleStatusChanged(AnimationStatus status) {
+    assert(mounted);
+    switch ((_animationStatus.isDismissed, status.isDismissed)) {
+      case (false, true):
+        CustomTooltip._openedTooltips.remove(this);
+        _overlayController.hide();
+      case (true, false):
+        _overlayController.show();
+        CustomTooltip._openedTooltips.add(this);
+      case (true, true) || (false, false):
+        break;
+    }
+    _animationStatus = status;
+  }
+
+  void _scheduleShowTooltip() {
+    _controller.forward();
+  }
+
+  void _scheduleDismissTooltip() {
+    _controller.reverse();
+  }
+
+  void _handlePointerDown(PointerDownEvent event) {
+    assert(mounted);
+    const Set<PointerDeviceKind> triggerModeDeviceKinds = <PointerDeviceKind>{
+      PointerDeviceKind.invertedStylus,
+      PointerDeviceKind.stylus,
+      PointerDeviceKind.touch,
+      PointerDeviceKind.unknown,
+      PointerDeviceKind.trackpad,
+    };
+    _longPressRecognizer ??= LongPressGestureRecognizer(
+      debugOwner: this,
+      supportedDevices: triggerModeDeviceKinds,
+    );
+    _longPressRecognizer!
+      ..onLongPress = _scheduleShowTooltip
+      ..addPointer(event);
+  }
+
+  Widget _buildCustomTooltipOverlay(BuildContext context) {
+    final OverlayState overlayState =
+        Overlay.of(context, debugRequiredFor: widget);
+    final RenderBox box = this.context.findRenderObject()! as RenderBox;
+    final Offset target = box.localToGlobal(
+      box.size.center(Offset.zero),
+      ancestor: overlayState.context.findRenderObject(),
+    );
+
+    final _CustomTooltipOverlay overlayChild = _CustomTooltipOverlay(
+      verticalOffset: box.size.height / 2,
+      horizontslOffset: box.size.width / 2,
+      type: widget.type,
+      animation: _overlayAnimation,
+      target: target,
+      onDismiss: _scheduleDismissTooltip,
+      overlayWidget: widget.overlayWidget,
+      indicator: widget.indicator,
+    );
+
+    return SelectionContainer.maybeOf(context) == null
+        ? overlayChild
+        : SelectionContainer.disabled(child: overlayChild);
+  }
+
+  @protected
+  @override
+  void dispose() {
+    CustomTooltip._openedTooltips.remove(this);
+    _longPressRecognizer?.onLongPressCancel = null;
+    _longPressRecognizer?.dispose();
+    _backingController?.dispose();
+    _backingOverlayAnimation?.dispose();
+    super.dispose();
+  }
+
+  @protected
+  @override
+  Widget build(BuildContext context) {
+    Widget result = Listener(
+      onPointerDown: _handlePointerDown,
+      behavior: HitTestBehavior.opaque,
+      child: widget.child,
+    );
+    return OverlayPortal(
+      controller: _overlayController,
+      overlayChildBuilder: _buildCustomTooltipOverlay,
+      child: result,
+    );
+  }
+}
+
+class _CustomTooltipOverlay extends StatelessWidget {
+  const _CustomTooltipOverlay({
+    required this.verticalOffset,
+    required this.horizontslOffset,
+    required this.type,
+    required this.animation,
+    required this.target,
+    required this.onDismiss,
+    required this.overlayWidget,
+    this.indicator,
+  });
+
+  final double verticalOffset;
+  final double horizontslOffset;
+  final TooltipType type;
+  final Animation<double> animation;
+  final Offset target;
+  final VoidCallback onDismiss;
+  final Widget Function() overlayWidget;
+  final Widget Function()? indicator;
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      behavior: HitTestBehavior.opaque,
+      onTap: onDismiss,
+      child: CustomMultiChildLayout(
+        delegate: _CustomMultiTooltipPositionDelegate(
+          type: type,
+          target: target,
+          verticalOffset: verticalOffset,
+          horizontslOffset: horizontslOffset,
+          preferBelow: false,
+        ),
+        children: [
+          LayoutId(
+            id: 'overlay',
+            child: overlayWidget(),
+          ),
+          if (indicator != null)
+            LayoutId(
+              id: 'indicator',
+              child: indicator!(),
+            ),
+        ],
+      ),
+    );
+  }
+}
+
+class _CustomMultiTooltipPositionDelegate extends MultiChildLayoutDelegate {
+  _CustomMultiTooltipPositionDelegate({
+    required this.type,
+    required this.target,
+    required this.verticalOffset,
+    required this.horizontslOffset,
+    required this.preferBelow,
+  });
+
+  final TooltipType type;
+
+  final Offset target;
+
+  final double verticalOffset;
+
+  final double horizontslOffset;
+
+  final bool preferBelow;
+
+  @override
+  void performLayout(Size size) {
+    switch (type) {
+      case TooltipType.top:
+        Size? indicatorSize;
+        if (hasChild('indicator')) {
+          indicatorSize = layoutChild('indicator', BoxConstraints.loose(size));
+        }
+
+        if (hasChild('overlay')) {
+          final overlaySize =
+              layoutChild('overlay', BoxConstraints.loose(size));
+          Offset offset = positionDependentBox(
+            type: type,
+            size: size,
+            childSize: overlaySize,
+            target: target,
+            verticalOffset: verticalOffset,
+            horizontslOffset: horizontslOffset,
+            preferBelow: preferBelow,
+          );
+          if (indicatorSize != null) {
+            offset = Offset(offset.dx, offset.dy - indicatorSize.height + 1);
+            positionChild(
+              'indicator',
+              Offset(
+                target.dx - indicatorSize.width / 2,
+                offset.dy + overlaySize.height - 1,
+              ),
+            );
+          }
+          positionChild('overlay', offset);
+        }
+      case TooltipType.right:
+        Size? indicatorSize;
+        if (hasChild('indicator')) {
+          indicatorSize = layoutChild('indicator', BoxConstraints.loose(size));
+        }
+
+        if (hasChild('overlay')) {
+          final overlaySize =
+              layoutChild('overlay', BoxConstraints.loose(size));
+          Offset offset = positionDependentBox(
+            type: type,
+            size: size,
+            childSize: overlaySize,
+            target: target,
+            verticalOffset: verticalOffset,
+            horizontslOffset: horizontslOffset,
+            preferBelow: preferBelow,
+          );
+          if (indicatorSize != null) {
+            offset = Offset(offset.dx + indicatorSize.height - 1, offset.dy);
+            positionChild(
+              'indicator',
+              Offset(
+                offset.dx - indicatorSize.width + 1,
+                target.dy - indicatorSize.height / 2,
+              ),
+            );
+          }
+          positionChild('overlay', offset);
+        }
+    }
+  }
+
+  @override
+  bool shouldRelayout(_CustomMultiTooltipPositionDelegate oldDelegate) {
+    return target != oldDelegate.target ||
+        verticalOffset != oldDelegate.verticalOffset ||
+        preferBelow != oldDelegate.preferBelow;
+  }
+}
+
+class TrianglePainter extends CustomPainter {
+  TrianglePainter(this.color, {this.type = TooltipType.top});
+  final TooltipType type;
+  final Color color;
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    final paint = Paint()
+      ..color = color
+      ..style = PaintingStyle.fill;
+
+    Path path;
+    switch (type) {
+      case TooltipType.top:
+        path = Path()
+          ..moveTo(0, 0)
+          ..lineTo(size.width, 0)
+          ..lineTo(size.width / 2, size.height)
+          ..close();
+      case TooltipType.right:
+        path = Path()
+          ..moveTo(0, size.height / 2)
+          ..lineTo(size.width, 0)
+          ..lineTo(size.width, size.height)
+          ..close();
+    }
+
+    canvas.drawPath(path, paint);
+  }
+
+  @override
+  bool shouldRepaint(TrianglePainter oldDelegate) => color != oldDelegate.color;
+}
+
+Offset positionDependentBox({
+  required TooltipType type,
+  required Size size,
+  required Size childSize,
+  required Offset target,
+  required bool preferBelow,
+  double verticalOffset = 0.0,
+  double horizontslOffset = 0.0,
+  double margin = 10.0,
+}) {
+  switch (type) {
+    case TooltipType.top:
+      // VERTICAL DIRECTION
+      final bool fitsBelow =
+          target.dy + verticalOffset + childSize.height <= size.height - margin;
+      final bool fitsAbove =
+          target.dy - verticalOffset - childSize.height >= margin;
+      final bool tooltipBelow =
+          fitsAbove == fitsBelow ? preferBelow : fitsBelow;
+      final double y;
+      if (tooltipBelow) {
+        y = math.min(target.dy + verticalOffset, size.height - margin);
+      } else {
+        y = math.max(target.dy - verticalOffset - childSize.height, margin);
+      } // HORIZONTAL DIRECTION
+      final double flexibleSpace = size.width - childSize.width;
+      final double x = flexibleSpace <= 2 * margin
+          // If there's not enough horizontal space for margin + child, center the
+          // child.
+          ? flexibleSpace / 2.0
+          : clampDouble(
+              target.dx - childSize.width / 2, margin, flexibleSpace - margin);
+      return Offset(x, y);
+    case TooltipType.right:
+      final double dy = math.max(margin, target.dy - childSize.height / 2);
+      final double dx = math.min(
+          target.dx + horizontslOffset, size.width - childSize.width - margin);
+      return Offset(dx, dy);
+  }
+}

lib/models_new/emote/meta.dart

@@ -1,9 +1,14 @@
 class Meta {
   int? size;
+  String? alias;
 
-  Meta({this.size});
+  Meta({
+    this.size,
+    this.alias,
+  });
 
   factory Meta.fromJson(Map<String, dynamic> json) => Meta(
         size: json['size'] as int?,
+        alias: json['alias'] as String?,
       );
 }

lib/pages/emote/view.dart

@@ -1,4 +1,5 @@
 import 'package:PiliPlus/common/widgets/button/icon_button.dart';
+import 'package:PiliPlus/common/widgets/custom_tooltip.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/common/widgets/loading_widget/loading_widget.dart';
 import 'package:PiliPlus/common/widgets/scroll_physics.dart';
@@ -37,6 +38,9 @@ class _EmotePanelState extends State<EmotePanel>
 
   Widget _buildBody(
       ThemeData theme, LoadingState<List<Package>?> loadingState) {
+    late final color = Get.currentRoute.startsWith('/whisperDetail')
+        ? theme.colorScheme.surface
+        : theme.colorScheme.onInverseSurface;
     return switch (loadingState) {
       Loading() => loadingWidget,
       Success(:var response) => response?.isNotEmpty == true
@@ -62,20 +66,7 @@ class _EmotePanelState extends State<EmotePanel>
                           itemCount: e.emote!.length,
                           itemBuilder: (context, index) {
                             final item = e.emote![index];
-                            return Material(
-                              type: MaterialType.transparency,
-                              child: InkWell(
-                                borderRadius:
-                                    const BorderRadius.all(Radius.circular(8)),
-                                onTap: () => widget.onChoose(
-                                    item,
-                                    isTextEmote
-                                        ? null
-                                        : e.emote!.first.meta!.size == 1
-                                            ? 24
-                                            : 42,
-                                    null),
-                                child: Padding(
+                            Widget child = Padding(
                               padding: const EdgeInsets.all(6),
                               child: isTextEmote
                                   ? Center(
@@ -89,11 +80,60 @@ class _EmotePanelState extends State<EmotePanel>
                                       src: item.url!,
                                       width: size,
                                       height: size,
-                                          semanticsLabel: item.text!,
                                       type: ImageType.emote,
                                       boxFit: BoxFit.contain,
                                     ),
+                            );
+                            if (!isTextEmote) {
+                              child = CustomTooltip(
+                                indicator: () => CustomPaint(
+                                  size: const Size(14, 8),
+                                  painter: TrianglePainter(color),
                                 ),
+                                overlayWidget: () => Container(
+                                  padding: const EdgeInsets.all(8),
+                                  decoration: BoxDecoration(
+                                    color: color,
+                                    borderRadius: const BorderRadius.all(
+                                        Radius.circular(8)),
+                                  ),
+                                  child: Column(
+                                    spacing: 4,
+                                    mainAxisSize: MainAxisSize.min,
+                                    children: [
+                                      NetworkImgLayer(
+                                        src: item.url!,
+                                        width: 65,
+                                        height: 65,
+                                        type: ImageType.emote,
+                                        boxFit: BoxFit.contain,
+                                      ),
+                                      Text(
+                                        item.meta?.alias ??
+                                            item.text!.substring(
+                                                1, item.text!.length - 1),
+                                        style: const TextStyle(fontSize: 12),
+                                      ),
+                                    ],
+                                  ),
+                                ),
+                                child: child,
+                              );
+                            }
+                            return Material(
+                              type: MaterialType.transparency,
+                              child: InkWell(
+                                borderRadius:
+                                    const BorderRadius.all(Radius.circular(8)),
+                                onTap: () => widget.onChoose(
+                                    item,
+                                    isTextEmote
+                                        ? null
+                                        : e.emote!.first.meta!.size == 1
+                                            ? 24
+                                            : 42,
+                                    null),
+                                child: child,
                               ),
                             );
                           },

lib/pages/live_emote/view.dart

@@ -1,5 +1,6 @@
 import 'dart:math';
 
+import 'package:PiliPlus/common/widgets/custom_tooltip.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/common/widgets/loading_widget/loading_widget.dart';
 import 'package:PiliPlus/common/widgets/scroll_physics.dart';
@@ -44,6 +45,7 @@ class _LiveEmotePanelState extends State<LiveEmotePanel>
   }
 
   Widget _buildBody(LoadingState<List<LiveEmoteDatum>?> loadingState) {
+    late final color = Theme.of(context).colorScheme.onInverseSurface;
     return switch (loadingState) {
       Loading() => loadingWidget,
       Success(:var response) => response?.isNotEmpty == true
@@ -88,6 +90,39 @@ class _LiveEmotePanelState extends State<LiveEmotePanel>
                                     widget.onSendEmoticonUnique(e);
                                   }
                                 },
+                                child: CustomTooltip(
+                                  indicator: () => CustomPaint(
+                                    size: const Size(14, 8),
+                                    painter: TrianglePainter(color),
+                                  ),
+                                  overlayWidget: () => Container(
+                                    padding: const EdgeInsets.all(8),
+                                    decoration: BoxDecoration(
+                                      color: color,
+                                      borderRadius: const BorderRadius.all(
+                                          Radius.circular(8)),
+                                    ),
+                                    child: Column(
+                                      spacing: 4,
+                                      mainAxisSize: MainAxisSize.min,
+                                      children: [
+                                        NetworkImgLayer(
+                                          src: e.url!,
+                                          width: 65,
+                                          height: 65,
+                                          type: ImageType.emote,
+                                          boxFit: BoxFit.contain,
+                                        ),
+                                        Text(
+                                          e.emoji!.startsWith('[')
+                                              ? e.emoji!.substring(
+                                                  1, e.emoji!.length - 1)
+                                              : e.emoji!,
+                                          style: const TextStyle(fontSize: 12),
+                                        ),
+                                      ],
+                                    ),
+                                  ),
                                   child: Padding(
                                     padding: const EdgeInsets.all(6),
                                     child: NetworkImgLayer(
@@ -100,6 +135,7 @@ class _LiveEmotePanelState extends State<LiveEmotePanel>
                                     ),
                                   ),
                                 ),
+                              ),
                             );
                           },
                         );