45 lines
1.2 KiB
TypeScript
45 lines
1.2 KiB
TypeScript
/*
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* Copyright 2025 coze-dev Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { useEffect, useState } from 'react';
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import { type Canvas } from 'fabric';
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export const useMousePosition = ({ canvas }: { canvas?: Canvas }) => {
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const [position, setPosition] = useState<{ left: number; top: number }>({
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left: 0,
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top: 0,
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});
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useEffect(() => {
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if (!canvas) {
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return;
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}
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const dispose = canvas.on('mouse:move', event => {
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const pointer = canvas.getScenePoint(event.e);
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setPosition({
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left: pointer.x,
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top: pointer.y,
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});
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});
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return dispose;
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}, [canvas]);
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return {
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mousePosition: position,
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};
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};
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