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https://github.com/novnc/noVNC.git
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8be924c9d9
Add several single and multitouch gestures to simulate various mouse actions that would otherwise be impossible to perform. This replaces the old system where you could select which mouse button a single touch would generate.
33 lines
729 B
JavaScript
33 lines
729 B
JavaScript
/*
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* noVNC: HTML5 VNC client
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* Copyright (C) 2020 The noVNC Authors
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* Licensed under MPL 2.0 (see LICENSE.txt)
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*
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* See README.md for usage and integration instructions.
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*/
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/*
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* HTML element utility functions
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*/
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export function clientToElement(x, y, elem) {
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const bounds = elem.getBoundingClientRect();
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let pos = { x: 0, y: 0 };
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// Clip to target bounds
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if (x < bounds.left) {
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pos.x = 0;
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} else if (x >= bounds.right) {
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pos.x = bounds.width - 1;
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} else {
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pos.x = x - bounds.left;
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}
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if (y < bounds.top) {
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pos.y = 0;
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} else if (y >= bounds.bottom) {
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pos.y = bounds.height - 1;
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} else {
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pos.y = y - bounds.top;
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}
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return pos;
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}
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