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Fix zoom #7

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Merged
huchenlei merged 1 commit into from
Jul 5, 2024
Merged

Fix zoom #7

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Fix zoom
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@huchenlei
huchenlei committed Jul 5, 2024
commit b290aa77def395b99c2fb0998431f55fd376bae1
11 changes: 8 additions & 3 deletions src/litegraph.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7581,9 +7581,14 @@ LGraphNode.prototype.executeAction = function(action)
clientX_rel = e.clientX;
clientY_rel = e.clientY;
}

e.deltaX = clientX_rel - this.last_mouse_position[0];
e.deltaY = clientY_rel- this.last_mouse_position[1];

// Only set deltaX and deltaY if not already set.
// If deltaX and deltaY are already present, they are read-only.
// Setting them would result browser error => zoom in/out feature broken.
if (e.deltaX === undefined)
e.deltaX = clientX_rel - this.last_mouse_position[0];
if (e.deltaY === undefined)
e.deltaY = clientY_rel- this.last_mouse_position[1];

this.last_mouse_position[0] = clientX_rel;
this.last_mouse_position[1] = clientY_rel;
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