Docs - clarify use of PropertyChanges for immediate property changes in

a State (e.g. for setting a transformOrigin for a RotationAnimation).
Also improve some other animation docs in general.

2 files changed, 94 insertions, 1 deletions

diff --git a/doc/src/snippets/declarative/propertychanges.qml b/doc/src/snippets/declarative/propertychanges.qml
new file mode 100644
index 0000000..9f119bf
--- /dev/null
+++ b/doc/src/snippets/declarative/propertychanges.qml
@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+//![import]
+import Qt 4.7
+//![import]
+
+Column {
+
+//![0]
+Item {
+    id: container
+    width: 300; height: 300
+
+    Rectangle {
+        id: rect
+        width: 100; height: 100
+        color: "red"
+
+        MouseArea { 
+           id: mouseArea
+           anchors.fill: parent 
+        }
+
+        states: State {
+           name: "resized"; when: mouseArea.pressed
+           PropertyChanges { target: rect; color: "blue"; height: container.height }
+        }
+    }
+}
+//![0]
+
+//![reset]
+Rectangle {
+    width: 300; height: 200
+
+    Text {
+        id: myText
+        width: 50
+        wrapMode: Text.WordWrap
+        text: "a text string that is longer than 50 pixels"
+
+        states: State {
+            name: "widerText"
+            PropertyChanges { target: myText; width: undefined }
+        }
+    }
+
+    MouseArea {
+        anchors.fill: parent
+        onClicked: myText.state = "widerText"
+    }
+}
+//![reset]
+}
diff --git a/doc/src/snippets/declarative/rotationanimation.qml b/doc/src/snippets/declarative/rotationanimation.qml
index c81395a..b56cb3f 100644
--- a/doc/src/snippets/declarative/rotationanimation.qml
+++ b/doc/src/snippets/declarative/rotationanimation.qml
@@ -52,7 +52,8 @@ Item {
         smooth: true
 
         states: State { 
-            name: "rotated"; PropertyChanges { target: rect; rotation: 180 } 
+            name: "rotated"
+            PropertyChanges { target: rect; rotation: 180 } 
         }
 
         transitions: Transition {