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fix: globe cursor data table resize [DHIS2-19805] #3644

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fix: globe cursor data table resize [DHIS2-19805] #3644

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e3fa639
fix: prevent globe drag image on macOS Chrome when resizing data table
karolinelien Apr 23, 2026
45b6aad
Merge branch 'master' into fix/globe-cursor-data-table-resize
BRaimbault May 26, 2026
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15 changes: 10 additions & 5 deletions src/components/datatable/ResizeHandle.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,13 @@ import React from 'react'
import { IconDrag } from '../core/icons.jsx'
import styles from './styles/ResizeHandle.module.css'

// Pre-decoded so setDragImage doesn't fall back to the macOS Chrome globe icon
// when the image isn't yet `complete` on the dragstart tick.
// https://www.sam.today/blog/html5-dnd-globe-icon
const EMPTY_DRAG_IMAGE = new Image(1, 1)
EMPTY_DRAG_IMAGE.src =
'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7'

const ResizeHandle = ({
onResize,
onResizeEnd,
Expand All @@ -12,12 +19,10 @@ const ResizeHandle = ({
let dragHeight = 0

const onDragStart = (evt) => {
// Set the drag ghost image to a transparent 1x1px
// https://stackoverflow.com/questions/7680285/how-do-you-turn-off-setdragimage
const img = document.createElement('img')
img.src =
'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7'
evt.dataTransfer.setDragImage(img, 0, 0)
if (EMPTY_DRAG_IMAGE.complete) {
evt.dataTransfer.setDragImage(EMPTY_DRAG_IMAGE, 0, 0)
}

evt.dataTransfer.setData('text/plain', 'node') // Required to initialize dragging in Firefox

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