[PR] fix(dataZoom): keep slider handle label visible when mouse stays over handle after drag end [echarts]

["waterWang (via GitHub)" <gi...@apache.org>]

waterWang opened a new pull request, #21722:
URL: https://github.com/apache/echarts/pull/21722

   Fixes #20178
   
   ## Problem
   
   When dragging a dataZoom slider handle and releasing the mouse **without moving it away** (i.e. the mouse stays over the handle), the handle's label disappears even though the pointer is still over the handle.
   
   ## Root cause
   
   During a drag, the handle's `onmouseout` can fire (the pointer briefly leaves the handle hit area as it moves), which sets `SliderZoomView._isOverDataInfoTriggerArea = false`. On `dragend`, `_onDragEnd()` checks that flag and, because it is `false`, calls `_showDataInfo(false)` which hides the label — even though the mouse is still sitting over the handle.
   
   ## Fix
   
   Accept the `dragend` event in `_onDragEnd(e)`. When the flag is `false`, only hide the label if the drag did **not** end on a handle or the move zone. If the drag released over a handle / move zone, keep the label visible so it matches the "mouse is still over the handle" expectation.
   
   This also forwards the event from `_onActualMoveZoneDragEnd` so the move-zone drag path behaves the same way.


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Re: [PR] fix(dataZoom): keep slider handle label visible when mouse stays over handle after drag end [echarts]

["echarts-bot[bot] (via GitHub)" <gi...@apache.org>]

echarts-bot[bot] commented on PR #21722:
URL: https://github.com/apache/echarts/pull/21722#issuecomment-5237878369

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