feat:增加待办排序UI功能

lib/widgets/common.dart

@@ -213,6 +213,41 @@ Widget buildToggleSwitch<T extends Enum>({
   );
 }
 
+ButtonStyle buildSegmentStyle(ColorScheme colors) {
+  return ButtonStyle(
+    side: WidgetStateProperty.all<BorderSide>(
+      const BorderSide(color: Colors.transparent, width: 0),
+    ),
+    iconColor: WidgetStateProperty.resolveWith<Color>(
+          (Set<WidgetState> states) {
+        if (states.contains(WidgetState.selected)) {
+          return colors.onPrimary;
+        }
+        return Colors.grey;
+      },
+    ),
+    backgroundColor: WidgetStateProperty.resolveWith<Color>((
+        Set<WidgetState> states,
+        ) {
+      if (states.contains(WidgetState.selected)) {
+        return colors.primary;
+      }
+      return Colors.grey.shade200;
+    }),
+    foregroundColor: WidgetStateProperty.resolveWith<Color>((
+        Set<WidgetState> states,
+        ) {
+      if (states.contains(WidgetState.selected)) {
+        return colors.onPrimary;
+      }
+      return colors.onSurface;
+    }),
+    shape: WidgetStateProperty.all<RoundedRectangleBorder>(
+      RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+    ),
+  );
+}
+
 Widget circleIconButton({
   required IconData icon,
   required VoidCallback onPressed,