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authorQt Continuous Integration System <qt-info@nokia.com>2011-04-04 13:58:25 (GMT)
committerQt Continuous Integration System <qt-info@nokia.com>2011-04-04 13:58:25 (GMT)
commit676a3e39ed4732bcc5b1639f4527393ddd31b418 (patch)
tree7e366179ef6bddf3fa4687e0d33f3a89c871f09f /doc/src/snippets/code/doc_src_qtscript.js
parent581402951131c2b83f558916703eec06e454dd27 (diff)
parent07df7ee20a0f3027516ad03465a2fb7b7e38e864 (diff)
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Merge branch 'master' of git://scm.dev.nokia.troll.no/qt/qt-fire-team
* 'master' of git://scm.dev.nokia.troll.no/qt/qt-fire-team: (246 commits) Avoid some compiler warnings on Windows Fix positioning in GL2 paint engine with subpixel antialiasing Update defs files Doc: Updating 3rdparty license doc Another compilation fix for WinCE Remove obsolete patch file Fix animation tests after merge Remove duplicated test. Add missing test file. Changing width of RTL positioner doesn't relayout Fix TextInput auto test failure on mac. PinchArea and Flickable don't work well enough together Do not set focus unnecessarily at window activation in Symbian QS60Style: Regression in drawing dialog background QS60Style: Support menu separator (pt.2) Fix auto test failure. Support for new softkey in Symbian^3 Once Image sourceSize is set there is no way to clear it. Rotation transform with NaN angle can cause crash QSoftkeyManager auto test update ...
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation and its Subsidiary(-ies) 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [2]
+function myInterestingScriptFunction() {
+ // ...
+}
+// ...
+myQObject.somethingChanged.connect(myInterestingScriptFunction);
+//! [2]
+
+
+//! [3]
+myQObject.somethingChanged.connect(myOtherQObject.doSomething);
+//! [3]
+
+
+//! [4]
+myQObject.somethingChanged.disconnect(myInterestingFunction);
+myQObject.somethingChanged.disconnect(myOtherQObject.doSomething);
+//! [4]
+
+
+//! [5]
+var obj = { x: 123 };
+var fun = function() { print(this.x); };
+myQObject.somethingChanged.connect(obj, fun);
+//! [5]
+
+
+//! [6]
+myQObject.somethingChanged.disconnect(obj, fun);
+//! [6]
+
+
+//! [7]
+var obj = { x: 123, fun: function() { print(this.x); } };
+myQObject.somethingChanged.connect(obj, "fun");
+//! [7]
+
+
+//! [8]
+myQObject.somethingChanged.disconnect(obj, "fun");
+//! [8]
+
+
+//! [9]
+try {
+ myQObject.somethingChanged.connect(myQObject, "slotThatDoesntExist");
+} catch (e) {
+ print(e);
+}
+//! [9]
+
+
+//! [10]
+myQObject.somethingChanged("hello");
+//! [10]
+
+
+//! [11]
+myQObject.myOverloadedSlot(10); // will call the int overload
+myQObject.myOverloadedSlot("10"); // will call the QString overload
+//! [11]
+
+
+//! [12]
+myQObject['myOverloadedSlot(int)']("10"); // call int overload; the argument is converted to an int
+myQObject['myOverloadedSlot(QString)'](10); // call QString overload; the argument is converted to a string
+//! [12]
+
+
+//! [14]
+myQObject.enabled = true;
+
+// ...
+
+myQObject.enabled = !myQObject.enabled;
+//! [14]
+
+
+//! [15]
+myDialog.okButton
+//! [15]
+
+
+//! [16]
+myDialog.okButton.objectName = "cancelButton";
+// from now on, myDialog.cancelButton references the button
+//! [16]
+
+
+//! [17]
+var okButton = myDialog.findChild("okButton");
+if (okButton != null) {
+ // do something with the OK button
+}
+
+var buttons = myDialog.findChildren(RegExp("button[0-9]+"));
+for (var i = 0; i < buttons.length; ++i) {
+ // do something with buttons[i]
+}
+//! [17]
+
+
+//! [21]
+var obj = new MyObject;
+obj.setEnabled( true );
+print( "obj is enabled: " + obj.isEnabled() );
+//! [21]
+
+
+//! [22]
+var obj = new MyObject;
+obj.enabled = true;
+print( "obj is enabled: " + obj.enabled );
+//! [22]
+
+
+//! [26]
+function enabledChangedHandler( b )
+{
+ print( "state changed to: " + b );
+}
+
+function init()
+{
+ var obj = new MyObject();
+ // connect a script function to the signal
+ obj["enabledChanged(bool)"].connect(enabledChangedHandler);
+ obj.enabled = true;
+ print( "obj is enabled: " + obj.enabled );
+}
+//! [26]
+
+
+//! [27]
+var o = new Object();
+o.foo = 123;
+print(o.hasOwnProperty('foo')); // true
+print(o.hasOwnProperty('bar')); // false
+print(o); // calls o.toString(), which returns "[object Object]"
+//! [27]
+
+
+//! [28]
+function Person(name)
+{
+ this.name = name;
+}
+//! [28]
+
+
+//! [29]
+Person.prototype.toString = function() { return "Person(name: " + this.name + ")"; }
+//! [29]
+
+
+//! [30]
+var p1 = new Person("John Doe");
+var p2 = new Person("G.I. Jane");
+print(p1); // "Person(name: John Doe)"
+print(p2); // "Person(name: G.I. Jane)"
+//! [30]
+
+
+//! [31]
+print(p1.hasOwnProperty('name')); // 'name' is an instance variable, so this returns true
+print(p1.hasOwnProperty('toString')); // returns false; inherited from prototype
+print(p1 instanceof Person); // true
+print(p1 instanceof Object); // true
+//! [31]
+
+
+//! [32]
+function Employee(name, salary)
+{
+ Person.call(this, name); // call base constructor
+
+ this.salary = salary;
+}
+
+// set the prototype to be an instance of the base class
+Employee.prototype = new Person();
+
+// initialize prototype
+Employee.prototype.toString = function() {
+ // ...
+}
+//! [32]
+
+
+//! [33]
+var e = new Employee("Johnny Bravo", 5000000);
+print(e instanceof Employee); // true
+print(e instanceof Person); // true
+print(e instanceof Object); // true
+print(e instanceof Array); // false
+//! [33]
+
+
+//! [40]
+var o = new Object();
+(o.__proto__ === Object.prototype); // this evaluates to true
+//! [40]
+
+
+//! [41]
+var o = new Object();
+o.__defineGetter__("x", function() { return 123; });
+var y = o.x; // 123
+//! [41]
+
+
+//! [42]
+var o = new Object();
+o.__defineSetter__("x", function(v) { print("and the value is:", v); });
+o.x = 123; // will print "and the value is: 123"
+//! [42]
+
+
+//! [49]
+var getProperty = function(name) { return this[name]; };
+
+name = "Global Object"; // creates a global variable
+print(getProperty("name")); // "Global Object"
+
+var myObject = { name: 'My Object' };
+print(getProperty.call(myObject, "name")); // "My Object"
+
+myObject.getProperty = getProperty;
+print(myObject.getProperty("name")); // "My Object"
+
+getProperty.name = "The getProperty() function";
+getProperty.getProperty = getProperty;
+getProperty.getProperty("name"); // "The getProperty() function"
+//! [49]
+
+//! [50]
+var o = { a: 1, b: 2, sum: function() { return a + b; } };
+print(o.sum()); // reference error, or sum of global variables a and b!!
+//! [50]
+
+//! [51]
+var o = { a: 1, b: 2, sum: function() { return this.a + this.b; } };
+print(o.sum()); // 3
+//! [51]
+
+//! [56]
+function add(a, b) {
+ return a + b;
+}
+//! [56]
+
+//! [57]
+function add() {
+ return arguments[0] + arguments[1];
+}
+//! [57]
+
+//! [59]
+function add() {
+ if (arguments.length != 2)
+ throw Error("add() takes exactly two arguments");
+ return arguments[0] + arguments[1];
+}
+//! [59]
+
+//! [60]
+function add() {
+ if (arguments.length != 2)
+ throw Error("add() takes exactly two arguments");
+ if (typeof arguments[0] != "number")
+ throw TypeError("add(): first argument is not a number");
+ if (typeof arguments[1] != "number")
+ throw TypeError("add(): second argument is not a number");
+ return arguments[0] + arguments[1];
+}
+//! [60]
+
+//! [61]
+function add() {
+ if (arguments.length != 2)
+ throw Error("add() takes exactly two arguments");
+ return Number(arguments[0]) + Number(arguments[1]);
+}
+//! [61]
+
+//! [64]
+function concat() {
+ var result = "";
+ for (var i = 0; i < arguments.length; ++i)
+ result += String(arguments[i]);
+ return result;
+}
+//! [64]
+
+//! [66]
+function sort(comparefn) {
+ if (comparefn == undefined)
+ comparefn = fn; /* replace fn with the built-in comparison function */
+ else if (typeof comparefn != "function")
+ throw TypeError("sort(): argument must be a function");
+ // ...
+}
+//! [66]
+
+//! [68]
+function foo() {
+ // Let bar() take care of this.
+ print("calling bar() with " + arguments.length + "arguments");
+ var result = bar.apply(this, arguments);
+ print("bar() returned" + result);
+ return result;
+}
+//! [68]
+
+//! [70]
+function counter() {
+ var count = 0;
+ return function() {
+ return count++;
+ }
+}
+//! [70]
+
+//! [71]
+var c1 = counter(); // create a new counter function
+var c2 = counter(); // create a new counter function
+print(c1()); // 0
+print(c1()); // 1
+print(c2()); // 0
+print(c2()); // 1
+//! [71]
+
+//! [75]
+function Book(isbn) {
+ this.isbn = isbn;
+}
+
+var coolBook1 = new Book("978-0131872493");
+var coolBook2 = new Book("978-1593271473");
+//! [75]
+
+//! [80]
+obj.x = "Roberta sent me";
+print(obj.x); // "Ken sent me"
+obj.x = "I sent the bill to Roberta";
+print(obj.x); // "I sent the bill to Ken"
+//! [80]
+
+//! [81]
+obj = {};
+obj.__defineGetter__("x", function() { return this._x; });
+obj.__defineSetter__("x", function(v) { print("setting x to", v); this._x = v; });
+obj.x = 123;
+//! [81]
+
+//! [82]
+myButton.text = qsTr("Hello world!");
+//! [82]
+
+//! [83]
+myButton.text = qsTranslate("MyAwesomeScript", "Hello world!");
+//! [83]
+
+//! [84]
+FriendlyConversation.prototype.greeting = function(type)
+{
+ if (FriendlyConversation['greeting_strings'] == undefined) {
+ FriendlyConversation['greeting_strings'] = [
+ QT_TR_NOOP("Hello"),
+ QT_TR_NOOP("Goodbye")
+ ];
+ }
+ return qsTr(FriendlyConversation.greeting_strings[type]);
+}
+//! [84]
+
+//! [85]
+FriendlyConversation.prototype.greeting = function(type)
+{
+ if (FriendlyConversation['greeting_strings'] == undefined) {
+ FriendlyConversation['greeting_strings'] = [
+ QT_TRANSLATE_NOOP("FriendlyConversation", "Hello"),
+ QT_TRANSLATE_NOOP("FriendlyConversation", "Goodbye")
+ ];
+ }
+ return qsTranslate("FriendlyConversation", FriendlyConversation.greeting_strings[type]);
+}
+//! [85]
+
+//! [86]
+FileCopier.prototype.showProgress = function(done, total, currentFileName)
+{
+ this.label.text = qsTr("%1 of %2 files copied.\nCopying: %3")
+ .arg(done)
+ .arg(total)
+ .arg(currentFileName);
+}
+//! [86]
+
+//! [90]
+({ unitName: "Celsius",
+ toKelvin: function(x) { return x + 273; }
+ })
+//! [90]