unitrongroup-ir commented on issue #21367:
URL: https://github.com/apache/echarts/issues/21367#issuecomment-6024706082
+1, we needed the same thing (Plotly-like drag zoom with our own zoom
buttons outside the chart).
In case it helps someone until this is there: we keep the toolbox but make
it invisible with `itemSize: 0`. With `show: false` the feature isn't rendered
at all and dragging does nothing. Then we switch the select mode on ourselves:
```js
toolbox: {
show: true,
itemSize: 0,
showTitle: false,
feature: { dataZoom: { yAxisIndex: 'none', filterMode: 'none' } }
}
```
```js
chart.dispatchAction({ type: 'takeGlobalCursor', key: 'dataZoomSelect',
dataZoomSelectActive: true });
```
After `setOption(option, { notMerge: true })` the select mode is off again,
so we dispatch it after every update. Dispatch it with `dataZoomSelectActive:
false` before the `setOption` too, otherwise you run into #21661.
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