opt: unify trending api & feat: search recommend (#694)

* opt: unify trending api * opt: disable icon * feat: search recommend * mod: recommend api
2025-12-06 09:13:48 +08:00 · 2025-04-16 12:16:45 +08:00
parent 3638d65008
commit f0e3b776bb
18 changed files with 285 additions and 452 deletions
--- a/lib/common/widgets/disabled_icon.dart
+++ b/lib/common/widgets/disabled_icon.dart
@@ -0,0 +1,101 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
+
+class DisabledIcon<T extends Widget> extends SingleChildRenderObjectWidget {
+  final Color? color;
+  final double lineLengthScale;
+  final StrokeCap strokeCap;
+
+  const DisabledIcon({
+    super.key,
+    required T child,
+    this.color,
+    double? lineLengthScale,
+    StrokeCap? strokeCap,
+  })  : lineLengthScale = lineLengthScale ?? 0.9,
+        strokeCap = strokeCap ?? StrokeCap.butt,
+        super(child: child);
+
+  @override
+  RenderObject createRenderObject(BuildContext context) {
+    return RenderMaskedIcon(
+      color ??
+          (child is Icon
+              ? (child as Icon).color ?? IconTheme.of(context).color!
+              : IconTheme.of(context).color!),
+      lineLengthScale,
+      strokeCap,
+    );
+  }
+
+  T enable() => child as T;
+}
+
+class RenderMaskedIcon extends RenderProxyBox {
+  final Color color;
+  final double lineLengthScale;
+  final StrokeCap strokeCap;
+
+  RenderMaskedIcon(this.color, this.lineLengthScale, this.strokeCap);
+
+  @override
+  void paint(PaintingContext context, Offset offset) {
+    final strokeWidth = size.width / 12;
+
+    final canvas = context.canvas;
+    var rect = offset & size;
+
+    final sqrt2Width = strokeWidth * sqrt2; // rotate pi / 4
+
+    // final path = Path.combine(
+    //   PathOperation.difference,
+    //   Path()..addRect(rect),
+    //   Path()..moveTo(rect.left, rect.top)
+    //   ..relativeLineTo(sqrt2Width, 0)
+    //   ..lineTo(rect.right, rect.bottom - sqrt2Width)
+    //   ..lineTo(rect.right, rect.bottom)
+    //   ..close(),
+    // );
+
+    final path = Path.combine(
+        PathOperation.union,
+        Path() // bottom
+          ..moveTo(rect.left, rect.bottom)
+          ..lineTo(rect.left, rect.top + sqrt2Width)
+          ..lineTo(rect.right - sqrt2Width, rect.bottom)
+          ..close(),
+        Path() // top
+          ..moveTo(rect.right, rect.top)
+          ..lineTo(rect.right, rect.bottom - sqrt2Width)
+          ..lineTo(rect.left + sqrt2Width, rect.top));
+
+    canvas.save();
+
+    canvas.clipPath(path, doAntiAlias: false);
+    super.paint(context, offset);
+
+    context.canvas.restore();
+
+    final linePaint = Paint()
+      ..color = color
+      ..strokeWidth = strokeWidth
+      ..strokeCap = strokeCap;
+
+    final strokeOffset = strokeWidth * sqrt1_2 / 2;
+    rect = rect
+        .translate(-strokeOffset, strokeOffset)
+        .deflate(size.width * lineLengthScale);
+    canvas.drawLine(
+      rect.topLeft,
+      rect.bottomRight,
+      linePaint,
+    );
+  }
+}
+
+extension DisabledIconExt on Icon {
+  DisabledIcon<Icon> disable([double? lineLengthScale]) =>
+      DisabledIcon(lineLengthScale: lineLengthScale, child: this);
+}