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This repository was archived by the owner on Sep 8, 2021. It is now read-only.

Commit 5cd84ed

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author
Ian Macphail
committed
[[ emscripten ]] Keep hidden input field in fixed position in browser window
This patch changes the CSS style of the hidden input field used to detect input events to ensure it is kept within the visible area of the page within the browser. This change prevents the browser window from scrolling when focus is passed to the hidden field, even in browsers that don't support the 'preventScroll' passed to the Element.focus method.
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‎engine/src/em-event.js

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+6-1Lines changed: 6 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -114,9 +114,14 @@ mergeInto(LibraryManager.library, {
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// Create the hidden input element
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var tInput = document.createElement('input');
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tInput.type = 'text';
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tInput.style.position = 'absolute';
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tInput.style.position = 'fixed';
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tInput.style.display = 'block';
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tInput.style.zIndex = 0;
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tInput.style.opacity = 0;
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tInput.style.setProperty('left', '0px', 'important');
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tInput.style.setProperty('top', '0px', 'important');
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tInput.style.setProperty('width', '1px', 'important');
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tInput.style.setProperty('height', '1px', 'important');
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LiveCodeEvents._inputelement = tInput;
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document.body.appendChild(tInput);

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