76 lines
2.3 KiB
JavaScript
76 lines
2.3 KiB
JavaScript
/**
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* Copyright 2016-2017 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
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*
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* This file is part of qutebrowser.
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*
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* qutebrowser is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* qutebrowser is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
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*/
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"use strict";
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window._qutebrowser.scroll = (function() {
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const funcs = {};
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funcs.to_perc = (x, y) => {
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let x_px = window.scrollX;
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let y_px = window.scrollY;
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const width = Math.max(
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document.body.scrollWidth,
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document.body.offsetWidth,
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document.documentElement.scrollWidth,
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document.documentElement.offsetWidth
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);
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const height = Math.max(
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document.body.scrollHeight,
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document.body.offsetHeight,
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document.documentElement.scrollHeight,
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document.documentElement.offsetHeight
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);
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if (x !== undefined) {
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x_px = (width - window.innerWidth) / 100 * x;
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}
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if (y !== undefined) {
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y_px = (height - window.innerHeight) / 100 * y;
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}
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/*
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console.log(JSON.stringify({
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"x": x,
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"window.scrollX": window.scrollX,
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"window.innerWidth": window.innerWidth,
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"elem.scrollWidth": document.documentElement.scrollWidth,
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"x_px": x_px,
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"y": y,
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"window.scrollY": window.scrollY,
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"window.innerHeight": window.innerHeight,
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"elem.scrollHeight": document.documentElement.scrollHeight,
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"y_px": y_px,
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}));
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*/
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window.scroll(x_px, y_px);
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};
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funcs.delta_page = (x, y) => {
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const dx = window.innerWidth * x;
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const dy = window.innerHeight * y;
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window.scrollBy(dx, dy);
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};
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return funcs;
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})();
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