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https://github.com/retspen/webvirtcloud
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82 lines
2.8 KiB
JavaScript
Executable file
82 lines
2.8 KiB
JavaScript
Executable file
"use strict";
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/*
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Copyright (C) 2014 by Jeremy P. White <jwhite@codeweavers.com>
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This file is part of spice-html5.
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spice-html5 is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser 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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spice-html5 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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with spice-html5. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*----------------------------------------------------------------------------
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** resize.js
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** This bit of Javascript is a set of logic to help with window
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** resizing, using the agent channel to request screen resizes.
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**
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** It's a bit tricky, as we want to wait for resizing to settle down
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** before sending a size. Further, while horizontal resizing to use the whole
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** browser width is fairly easy to arrange with css, resizing an element to use
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** the whole vertical space (or to force a middle div to consume the bulk of the browser
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** window size) is tricky, and the consensus seems to be that Javascript is
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** the only right way to do it.
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**--------------------------------------------------------------------------*/
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function resize_helper(sc)
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{
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var w = document.getElementById(sc.screen_id).clientWidth;
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var m = document.getElementById(sc.message_id);
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/* Resize vertically; basically we leave a 20 pixel margin
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at the bottom, and use the position of the message window
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to figure out how to resize */
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var h = window.innerHeight - 20;
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/* Screen height based on debug console visibility */
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if (window.getComputedStyle(m).getPropertyValue("display") == 'none')
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{
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/* Get console height from spice.css .spice-message */
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var mh = parseInt(window.getComputedStyle(m).getPropertyValue("height"), 10);
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h = h - mh;
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}
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else
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{
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/* Show both div elements - spice-area and message-div */
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h = h - m.offsetHeight - m.clientHeight;
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}
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/* Xorg requires height be a multiple of 8; round up */
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if (h % 8 > 0)
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h += (8 - (h % 8));
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/* Xorg requires width be a multiple of 8; round up */
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if (w % 8 > 0)
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w += (8 - (w % 8));
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sc.resize_window(0, w, h, 32, 0, 0);
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sc.spice_resize_timer = undefined;
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}
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function handle_resize(e)
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{
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var sc = window.spice_connection;
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if (sc && sc.spice_resize_timer)
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{
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window.clearTimeout(sc.spice_resize_timer);
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sc.spice_resize_timer = undefined;
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}
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sc.spice_resize_timer = window.setTimeout(resize_helper, 200, sc);
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}
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