1 /****************************************************************************
3 ** This file is part of QtCompositor**
5 ** Copyright © 2010 Nokia Corporation and/or its subsidiary(-ies).
6 ** All rights reserved.
8 ** Contact: Nokia Corporation qt-info@nokia.com
10 ** You may use this file under the terms of the BSD license as follows:
12 ** Redistribution and use in source and binary forms, with or without
13 ** modification, are permitted provided that the following conditions are
16 ** Redistributions of source code must retain the above copyright
17 ** notice, this list of conditions and the following disclaimer.
19 ** Redistributions in binary form must reproduce the above copyright
20 ** notice, this list of conditions and the following disclaimer in the
21 ** documentation and/or other materials provided with the distribution.
23 ** Neither the name of Nokia Corporation and its Subsidiary(-ies) nor the
24 ** names of its contributors may be used to endorse or promote products
25 ** derived from this software without specific prior written permission.
27 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 ****************************************************************************/
41 var windowList = null;
45 if (windowList.length == 0)
48 var dim = Math.ceil(Math.sqrt(windowList.length));
49 var w = root.width / dim;
50 var h = root.height / dim;
53 var rows = Math.floor(windowList.length / cols);
59 indexes = new Array(dim * dim);
61 for (i = 0; i < windowList.length; ++i) {
63 var currentDim = Math.ceil(Math.sqrt(i + 1));
64 if (currentDim == lastDim) {
65 if (iy < currentDim - 1) {
67 if (iy == currentDim - 1)
79 indexes[iy * dim + ix] = i;
80 windowList[i].index = iy * dim + ix;
82 var cx = (ix + 0.5) * w;
83 var cy = (iy + 0.5) * h;
85 windowList[i].scale = 0.98 * Math.min(w / windowList[i].width, h / windowList[i].height);
87 windowList[i].x = (cx - windowList[i].width / 2);
88 windowList[i].y = (cy - windowList[i].height / 2);
92 function addWindow(window)
94 if (windowList == null)
95 windowList = new Array(0);
97 windowList.push(window);
101 function removeWindow(window)
104 for (i = 0; i < windowList.length; ++i) {
105 if (windowList[i] == window)
109 var index = windowList[i].index;
110 var dim = Math.ceil(Math.sqrt(windowList.length));
111 var maxY = Math.floor((windowList.length-1) / dim);
113 var shrinking = Math.ceil(Math.sqrt(windowList.length - 1)) != dim;
116 var ix = index % dim;
117 var iy = Math.floor(index / dim);
119 console.log("index: " + ix + " " + iy);
124 else if (++ix == dim)
137 var next = iy * dim + ix;
139 var currentIndex = indexes[index];
140 var nextIndex = indexes[next];
142 if (nextIndex == null)
145 var temp = windowList[currentIndex];
146 windowList[currentIndex] = windowList[nextIndex];
147 windowList[currentIndex].index = currentIndex;
148 windowList[nextIndex] = temp;
153 windowList.splice(indexes[index], 1);