feat: support fixed pixel step scrolling on wheel event and minimum scrollbar slider height#4423
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xuefei1313 merged 1 commit intodevelopfrom Jan 21, 2026
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…crollbar slider height
skie1997
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Jan 21, 2026
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🔗 相关 issue 链接
🔗 相关的 PR 链接
🐞 Bugserver 用例 id
💡 问题的背景&解决方案
背景:
在数据量较大或需要精确控制滚动的场景下,默认的百分比滚动行为可能过快或不可预测。同时,当数据量极大时,滚动条滑块(slider)可能会变得极其微小,难以看见和操作。
解决方案:
scrollBar配置中新增scrollStep属性(单位:像素)。当配置此属性时,鼠标滚轮事件将按照固定的像素距离移动视图内容,而非默认的百分比。scrollBar配置中新增minSliderSize属性(单位:像素)。无论数据量多大,渲染时的滑块尺寸都不会小于此设定值,确保可交互性。📝 Changelog
☑️ 自测
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