QML, aka Qt Modeling Language, is a programming language created in 2009.
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QML (Qt Modeling Language) is a user interface markup language. It is a declarative language (similar to CSS and JSON) for designing user interface–centric applications. Inline JavaScript code handles imperative aspects. Read more on Wikipedia...
Item {
Rectangle {
id: myRect
width: 120
height: 100
}
Rectangle {
width: myRect.width
height: 200
}
}
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** This file is part of the Qt Build Suite.
**
** 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 http://www.qt.io/terms-conditions. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
import qbs 1.0
import qbs.FileInfo
import qbs.ModUtils
Module {
property string buildVariant: "debug"
property bool enableDebugCode: buildVariant == "debug"
property bool debugInformation: (buildVariant == "debug")
property string optimization: (buildVariant == "debug" ? "none" : "fast")
readonly property stringList hostOS: undefined // set internally
property string hostOSVersion: {
if (hostOS && hostOS.contains("osx")) {
return getNativeSetting("/System/Library/CoreServices/ServerVersion.plist", "ProductVersion") ||
getNativeSetting("/System/Library/CoreServices/SystemVersion.plist", "ProductVersion");
} else if (hostOS && hostOS.contains("windows")) {
var version = getNativeSetting("HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows NT\\CurrentVersion", "CurrentVersion");
return version + "." + hostOSBuildVersion;
}
}
property string hostOSBuildVersion: {
if (hostOS.contains("osx")) {
return getNativeSetting("/System/Library/CoreServices/ServerVersion.plist", "ProductBuildVersion") ||
getNativeSetting("/System/Library/CoreServices/SystemVersion.plist", "ProductBuildVersion");
} else if (hostOS.contains("windows")) {
return getNativeSetting("HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows NT\\CurrentVersion", "CurrentBuildNumber");
}
}
readonly property var hostOSVersionParts: hostOSVersion ? hostOSVersion.split('.').map(function(item) { return parseInt(item, 10); }) : []
readonly property int hostOSVersionMajor: hostOSVersionParts[0] || 0
readonly property int hostOSVersionMinor: hostOSVersionParts[1] || 0
readonly property int hostOSVersionPatch: hostOSVersionParts[2] || 0
property stringList targetOS: hostOS
property string pathListSeparator: hostOS.contains("windows") ? ";" : ":"
property string pathSeparator: hostOS.contains("windows") ? "\\" : "/"
property string profile
property stringList toolchain
property string architecture
property bool install: false
property string installSourceBase
readonly property string installRoot: undefined
property string installDir
property string installPrefix: ""
property path sysroot
PropertyOptions {
name: "buildVariant"
allowedValues: ['debug', 'release']
description: "name of the build variant"
}
PropertyOptions {
name: "optimization"
allowedValues: ['none', 'fast', 'small']
description: "optimization level"
}
validate: {
var validator = new ModUtils.PropertyValidator("qbs");
validator.setRequiredProperty("architecture", architecture,
"you might want to re-run 'qbs-setup-toolchains'");
validator.setRequiredProperty("hostOS", hostOS);
validator.setRequiredProperty("targetOS", targetOS);
if (hostOS && (hostOS.contains("windows") || hostOS.contains("osx"))) {
validator.setRequiredProperty("hostOSVersion", hostOSVersion,
"could not detect host operating system version; " +
"verify that system files and registry keys have not " +
"been modified.");
if (hostOSVersion)
validator.addVersionValidator("hostOSVersion", hostOSVersion, 2, 4);
validator.setRequiredProperty("hostOSBuildVersion", hostOSBuildVersion,
"could not detect host operating system build version; " +
"verify that system files or registry have not been " +
"tampered with.");
}
validator.addCustomValidator("architecture", architecture, function (value) {
return architecture === canonicalArchitecture(architecture);
}, "'" + architecture + "' is invalid. You must use the canonical name '" +
canonicalArchitecture(architecture) + "'");
validator.validate();
}
// private properties
property var commonRunEnvironment: {
var env = {};
if (targetOS.contains("windows")) {
env["PATH"] = [
FileInfo.joinPaths(installRoot, installPrefix)
];
} else if (hostOS.contains("darwin") && targetOS.contains("darwin")) {
env["DYLD_FRAMEWORK_PATH"] = [
FileInfo.joinPaths(installRoot, installPrefix, "Library", "Frameworks"),
FileInfo.joinPaths(installRoot, installPrefix, "lib"),
FileInfo.joinPaths(installRoot, installPrefix)
].join(pathListSeparator);
env["DYLD_LIBRARY_PATH"] = [
FileInfo.joinPaths(installRoot, installPrefix, "lib"),
FileInfo.joinPaths(installRoot, installPrefix, "Library", "Frameworks"),
FileInfo.joinPaths(installRoot, installPrefix)
].join(pathListSeparator);
if (targetOS.contains("ios-simulator") && sysroot) {
env["DYLD_ROOT_PATH"] = [sysroot];
}
} else if (hostOS.contains("unix") && targetOS.contains("unix")) {
env["LD_LIBRARY_PATH"] = [
FileInfo.joinPaths(installRoot, installPrefix, "lib")
];
}
return env;
}
// internal properties
readonly property string version: [versionMajor, versionMinor, versionPatch].join(".")
readonly property int versionMajor: undefined // set internally
readonly property int versionMinor: undefined // set internally
readonly property int versionPatch: undefined // set internally
}
MouseArea {
onPressed: console.log("mouse button pressed")
}
Feature | Supported | Example | Token |
---|---|---|---|
Integers | ✓ | // [0-9]+ | |
Floats | ✓ | // [0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]? | |
Hexadecimals | ✓ | // 0x[0-9a-fA-F]+ | |
MultiLine Comments | ✓ | /* A comment */ | /* */ |
Comments | ✓ | // A comment | |
Line Comments | ✓ | // A comment | // |
Semantic Indentation | X |