calculator.qml Example File
demos/declarative/calculator/calculator.qml
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
**
** 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 [email protected].
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
import Qt 4.7
import "Core"
import "Core/calculator.js" as CalcEngine
Rectangle {
id: window
width: 480; height: 360
color: "#282828"
property string rotateLeft: "\u2939"
property string rotateRight: "\u2935"
property string leftArrow: "\u2190"
property string division : "\u00f7"
property string multiplication : "\u00d7"
property string squareRoot : "\u221a"
property string plusminus : "\u00b1"
function doOp(operation) { CalcEngine.doOperation(operation) }
Item {
id: main
state: "orientation " + runtime.orientation
width: parent.width; height: parent.height; anchors.centerIn: parent
Column {
id: box; spacing: 8
anchors { fill: parent; topMargin: 6; bottomMargin: 6; leftMargin: 6; rightMargin: 6 }
Display {
id: display
width: box.width-3
height: 64
}
Column {
id: column; spacing: 6
property real h: ((box.height - 72) / 6) - ((spacing * (6 - 1)) / 6)
property real w: (box.width / 4) - ((spacing * (4 - 1)) / 4)
Row {
spacing: 6
Button { width: column.w; height: column.h; color: 'purple'; operation: "Off" }
Button { width: column.w; height: column.h; color: 'purple'; operation: leftArrow }
Button { width: column.w; height: column.h; color: 'purple'; operation: "C" }
Button { width: column.w; height: column.h; color: 'purple'; operation: "AC" }
}
Row {
spacing: 6
property real w: (box.width / 4) - ((spacing * (4 - 1)) / 4)
Button { width: column.w; height: column.h; color: 'green'; operation: "mc" }
Button { width: column.w; height: column.h; color: 'green'; operation: "m+" }
Button { width: column.w; height: column.h; color: 'green'; operation: "m-" }
Button { width: column.w; height: column.h; color: 'green'; operation: "mr" }
}
Grid {
id: grid; rows: 5; columns: 5; spacing: 6
property real w: (box.width / columns) - ((spacing * (columns - 1)) / columns)
Button { width: grid.w; height: column.h; operation: "7"; color: 'blue' }
Button { width: grid.w; height: column.h; operation: "8"; color: 'blue' }
Button { width: grid.w; height: column.h; operation: "9"; color: 'blue' }
Button { width: grid.w; height: column.h; operation: division }
Button { width: grid.w; height: column.h; operation: squareRoot }
Button { width: grid.w; height: column.h; operation: "4"; color: 'blue' }
Button { width: grid.w; height: column.h; operation: "5"; color: 'blue' }
Button { width: grid.w; height: column.h; operation: "6"; color: 'blue' }
Button { width: grid.w; height: column.h; operation: multiplication }
Button { width: grid.w; height: column.h; operation: "x^2" }
Button { width: grid.w; height: column.h; operation: "1"; color: 'blue' }
Button { width: grid.w; height: column.h; operation: "2"; color: 'blue' }
Button { width: grid.w; height: column.h; operation: "3"; color: 'blue' }
Button { width: grid.w; height: column.h; operation: "-" }
Button { width: grid.w; height: column.h; operation: "1/x" }
Button { width: grid.w; height: column.h; operation: "0"; color: 'blue' }
Button { width: grid.w; height: column.h; operation: "." }
Button { width: grid.w; height: column.h; operation: plusminus }
Button { width: grid.w; height: column.h; operation: "+" }
Button { width: grid.w; height: column.h; operation: "="; color: 'red' }
}
}
}
states: [
State {
name: "orientation " + Orientation.Landscape
PropertyChanges { target: main; rotation: 90; width: window.height; height: window.width }
PropertyChanges { target: rotateButton; operation: rotateLeft }
},
State {
name: "orientation " + Orientation.PortraitInverted
PropertyChanges { target: main; rotation: 180; }
PropertyChanges { target: rotateButton; operation: rotateRight }
},
State {
name: "orientation " + Orientation.LandscapeInverted
PropertyChanges { target: main; rotation: 270; width: window.height; height: window.width }
PropertyChanges { target: rotateButton; operation: rotateLeft }
}
]
transitions: Transition {
SequentialAnimation {
PropertyAction { target: rotateButton; property: "operation" }
RotationAnimation { direction: RotationAnimation.Shortest; duration: 300; easing.type: Easing.InOutQuint }
NumberAnimation { properties: "x,y,width,height"; duration: 300; easing.type: Easing.InOutQuint }
}
}
}
}
[+] Documentation Feedback