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Work around WebKit bug that prevents scrolling/zooming the workspace.

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This commit is contained in:
Aaron Dodson
2021-06-30 17:40:00 +00:00
parent 344ebcfd02
commit 5aa8bab22f
1 changed files with 4 additions and 0 deletions
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4
core/workspace_svg.js
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@@ -877,6 +877,10 @@ Blockly.WorkspaceSvg.prototype.createDom = function(opt_backgroundClass) {
if (!this.isFlyout) {
Blockly.browserEvents.conditionalBind(
this.svgGroup_, 'mousedown', this, this.onMouseDown_, false, true);
// This no-op works around https://bugs.webkit.org/show_bug.cgi?id=226683,
// which otherwise prevents zoom/scroll events from being observed in
// Safari. Once that bug is fixed it should be removed.
document.body.addEventListener('wheel', function(e) {});
Blockly.browserEvents.conditionalBind(
this.svgGroup_, 'wheel', this, this.onMouseWheel_);
}