66 lines
1.8 KiB
JavaScript
66 lines
1.8 KiB
JavaScript
/**
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* Copyright 2016 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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function scroll_to_perc(x, y) {
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var elem = document.documentElement;
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var x_px = window.scrollX;
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var y_px = window.scrollY;
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if (x !== undefined) {
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x_px = (elem.scrollWidth - elem.clientWidth) / 100 * x;
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}
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if (y !== undefined) {
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y_px = (elem.scrollHeight - elem.clientHeight) / 100 * y;
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}
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window.scroll(x_px, y_px);
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}
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function scroll_delta_page(x, y) {
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var dx = document.documentElement.clientWidth * x;
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var dy = document.documentElement.clientHeight * y;
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window.scrollBy(dx, dy);
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}
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function scroll_pos_perc() {
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var elem = document.documentElement;
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var dx = (elem.scrollWidth - elem.clientWidth);
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var dy = (elem.scrollHeight - elem.clientHeight);
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var perc_x, perc_y;
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if (dx === 0) {
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perc_x = 0;
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} else {
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perc_x = 100 / dx * window.scrollX;
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}
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if (dy === 0) {
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perc_y = 0;
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} else {
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perc_y = 100 / dy * window.scrollY;
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}
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// console.log(perc_x);
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// console.log(perc_y);
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return [perc_x, perc_y];
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}
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