35 lines
946 B
JavaScript
35 lines
946 B
JavaScript
/* global $ $$ */// dom.js
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/* global editor */
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/* global prefs */
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'use strict';
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(function HeaderResizer() {
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const el = $('#header-resizer');
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let lastW, lastX;
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el.onmousedown = e => {
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if (e.button) return;
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lastW = $('#header').clientWidth;
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lastX = e.clientX;
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document.body.classList.add('resizing-h');
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document.on('mousemove', resize);
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document.on('mouseup', resizeStop);
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};
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function resize({clientX: x}) {
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const w = editor.updateHeaderWidth(lastW + x - lastX);
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const delta = w - lastW;
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if (delta) {
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lastW = w;
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lastX = x;
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prefs.set('editor.headerWidth', w);
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for (const el of $$('.CodeMirror-linewidget[style*="width:"]')) {
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el.style.width = parseFloat(el.style.width) - delta + 'px';
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}
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}
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}
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function resizeStop() {
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document.off('mouseup', resizeStop);
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document.off('mousemove', resize);
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document.body.classList.remove('resizing-h');
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}
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})();
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