Optimize Shadeeelection update

lib/src/color_picker.dart

@@ -1830,8 +1830,12 @@ class _ColorPickerState extends State<ColorPicker> {
  ];
  _findPicker();
  }
- // Update the active swatch to match the selected color.
- _updateActiveSwatch();
+
+ if (_activePicker != ColorPickerType.wheel ||
+ !ColorTools.containPrimaryColor(_activeSwatch!, _selectedColor)) {
+ // Update the active swatch to match the selected color.
+ _updateActiveSwatch();
+ }
  });
  // Call the change call back with the new color.
  widget.onColorChanged(_selectedColor);

lib/src/color_tools.dart

@@ -1,4 +1,5 @@
 import 'dart:math';
+
 import 'package:flutter/material.dart';
 
 /// Static color tool functions used internally by FlexColorPicker.
@@ -199,6 +200,16 @@ class ColorTools {
  return false;
  }
 
+ /// Judgment ColorsWatch contains colors
+ static bool containPrimaryColor(ColorSwatch<Object> swatch, Color color) {
+ for (final int i in _indexPrimary) {
+ if (swatch[i] == color || swatch[i]?.value == color.value) {
+ return true;
+ }
+ }
+ return false;
+ }
+
  /// Returns a Material primary color swatch for the color given to it.
  ///
  /// If the color is a part of a standard material primary color swatch,