<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>main.qml Example File | Qt Wayland Compositor 5.12.6</title>
<link rel="stylesheet" type="text/css" href="style/offline-simple.css" />
<script type="text/javascript">
document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css");
// loading style sheet breaks anchors that were jumped to before
// so force jumping to anchor again
setTimeout(function() {
var anchor = location.hash;
// need to jump to different anchor first (e.g. none)
location.hash = "#";
setTimeout(function() {
location.hash = anchor;
}, 0);
}, 0);
</script>
</head>
<body>
<div class="header" id="qtdocheader">
<div class="main">
<div class="main-rounded">
<div class="navigationbar">
<table><tr>
<td >Qt 5.12</td><td ><a href="qtwaylandcompositor-index.html">Qt Wayland Compositor</a></td><td ><a href="qtwaylandcompositor-overview-compositor-example.html">Qt Wayland Compositor Examples - Overview Compositor</a></td><td >main.qml Example File</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right"><a href="qtwaylandcompositor-index.html">Qt 5.12.6 Reference Documentation</a></td>
</tr></table>
</div>
</div>
<div class="content">
<div class="line">
<div class="content mainContent">
<div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div>
<h1 class="title">main.qml Example File</h1>
<span class="subtitle">overview-compositor/main.qml</span>
<!-- $$$overview-compositor/main.qml-description -->
<div class="descr"> <a name="details"></a>
<pre class="qml">
/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.7
import QtWayland.Compositor 1.3
import QtQuick.Window 2.3
import QtQuick.Controls 2.0
WaylandCompositor {
WaylandOutput {
sizeFollowsWindow: true
window: Window {
id: win
property int pixelWidth: width * screen.devicePixelRatio
property int pixelHeight: height * screen.devicePixelRatio
visible: true
width: 1280
height: 720
Grid {
id: grid
property bool overview: true
property int selected: 0
property int selectedColumn: selected % columns
property int selectedRow: selected / columns
anchors.fill: parent
columns: Math.ceil(Math.sqrt(toplevels.count))
transform: [
Scale {
xScale: grid.overview ? (1.0/grid.columns) : 1
yScale: grid.overview ? (1.0/grid.columns) : 1
Behavior on xScale { PropertyAnimation { easing.type: Easing.InOutQuad; duration: 200 } }
Behavior on yScale { PropertyAnimation { easing.type: Easing.InOutQuad; duration: 200 } }
},
Translate {
x: grid.overview ? 0 : win.width * -grid.selectedColumn
y: grid.overview ? 0 : win.height * -grid.selectedRow
Behavior on x { PropertyAnimation { easing.type: Easing.InOutQuad; duration: 200 } }
Behavior on y { PropertyAnimation { easing.type: Easing.InOutQuad; duration: 200 } }
}
]
Repeater {
model: toplevels
Item {
width: win.width
height: win.height
ShellSurfaceItem {
anchors.fill: parent
shellSurface: xdgSurface
autoCreatePopupItems: true
sizeFollowsSurface: false
onSurfaceDestroyed: toplevels.remove(index)
}
MouseArea {
enabled: grid.overview
anchors.fill: parent
onClicked: {
grid.selected = index;
grid.overview = false;
}
}
}
}
}
Button {
anchors.horizontalCenter: parent.horizontalCenter
anchors.bottom: parent.bottom
text: "Toggle overview";
onClicked: grid.overview = !grid.overview
}
Shortcut { sequence: "space"; onActivated: grid.overview = !grid.overview }
Shortcut { sequence: "right"; onActivated: grid.selected = Math.min(grid.selected+1, toplevels.count-1) }
Shortcut { sequence: "left"; onActivated: grid.selected = Math.max(grid.selected-1, 0) }
Shortcut { sequence: "up"; onActivated: grid.selected = Math.max(grid.selected-grid.columns, 0) }
Shortcut { sequence: "down"; onActivated: grid.selected = Math.min(grid.selected+grid.columns, toplevels.count-1) }
}
}
ListModel { id: toplevels }
XdgShell {
onToplevelCreated: {
toplevels.append({xdgSurface});
toplevel.sendFullscreen(Qt.size(win.pixelWidth, win.pixelHeight));
}
}
}
</pre>
</div>
<!-- @@@overview-compositor/main.qml -->
</div>
</div>
</div>
</div>
</div>
<div class="footer">
<p>
<acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd.
Documentation contributions included herein are the copyrights of
their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property
of their respective owners. </p>
</div>
</body>
</html>
