main.qml

 /****************************************************************************
 **
 ** 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 QtDeclarative module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** GNU Lesser General Public License Usage
 ** 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:
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 ** 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.
 **
 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU General
 ** Public License version 3.0 as published by the Free Software Foundation
 ** and appearing in the file LICENSE.GPL included in the packaging of this
 ** file. Please review the following information to ensure the GNU General
 ** Public License version 3.0 requirements will be met:
 ** http://www.gnu.org/copyleft/gpl.html.
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 ** Alternatively, this file may be used in accordance with the terms and
 ** conditions contained in a signed written agreement between you and Nokia.
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 ****************************************************************************/ 

 import QtQuick 1.1
 import com.nokia.meego 1.0
 import "qrc:/js/calculator.js" as CalcEngine

 PageStackWindow {
    id: calcwindow

    Component.onCompleted: {
        theme.inverted = true
    }

    function doOp(operation) { CalcEngine.doOperation(operation) }

    property string displayOperation: ""
    property string displayText: "0"

    initialPage: Page {
        orientationLock: PageOrientation.LockPortrait

         Item {
             id: main
             state: "orientation Portrait"
             //+ 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: 150
                 }

                 Rectangle {
                    height: 1
                    width: grid.width * 0.8
                    color: "#444444"
                    anchors {
                        horizontalCenter: parent.horizontalCenter; verticalCenterOffset: -1
                    }
                 }

                 // TODO: optimise for landscape layout
                 Grid {
                     property real h: ((box.height - (display.height)) / 6) - ((spacing * (6 - 1)) / 6)
                     id: grid; rows: 6; columns: 3; spacing: 6

                     property real w: (box.width / columns) - ((spacing * (columns - 1)) / columns)

                     CalcButton { width: grid.w; height: grid.h; color: '#333333'; operation: "C" }
                     CalcButton { width: grid.w; height: grid.h; operation: CalcEngine.division; togglable: true }
                     CalcButton { width: grid.w; height: grid.h; operation: CalcEngine.multiplication; togglable: true }

                     CalcButton { width: grid.w; height: grid.h; operation: CalcEngine.plusminus }
                     CalcButton { width: grid.w; height: grid.h; operation: "-"; togglable: true }
                     CalcButton { width: grid.w; height: grid.h; operation: "+"; togglable: true }

                     CalcButton { width: grid.w; height: grid.h; operation: "7"; }
                     CalcButton { width: grid.w; height: grid.h; operation: "8"; }
                     CalcButton { width: grid.w; height: grid.h; operation: "9"; }

                     CalcButton { width: grid.w; height: grid.h; operation: "4"; }
                     CalcButton { width: grid.w; height: grid.h; operation: "5"; }
                     CalcButton { width: grid.w; height: grid.h; operation: "6"; }

                     CalcButton { width: grid.w; height: grid.h; operation: "1"; }
                     CalcButton { width: grid.w; height: grid.h; operation: "2"; }
                     CalcButton { width: grid.w; height: grid.h; operation: "3"; }

                     CalcButton { width: grid.w; height: grid.h; operation: "0"; }
                     CalcButton { width: grid.w; height: grid.h; operation: "." }
                     CalcButton { width: grid.w; height: grid.h; operation: "="; color: '#FCB514' }

    /*
    * TODO: fit these into some kind of advanced layout
                     CalcButton { width: grid.w; height: grid.h; operation: CalcEngine.squareRoot }
                     CalcButton { width: grid.w; height: grid.h; operation: "x^2" }
                     CalcButton { width: grid.w; height: grid.h; operation: "1/x" }
                     CalcButton { width: grid.w; height: grid.h; color: 'green'; operation: "mc" }
                     CalcButton { width: grid.w; height: grid.h; color: 'green'; operation: "m+" }
                     CalcButton { width: grid.w; height: grid.h; color: 'green'; operation: "m-" }
                     CalcButton { width: grid.w; height: grid.h; color: 'green'; operation: "mr" }
                     CalcButton { width: grid.w; height: grid.h; color: 'purple'; operation: "Off" }
                     CalcButton { width: grid.w; height: grid.h; color: 'purple'; operation: "AC" }
    */
                 }
             }
    /*
             states: [
                 State {
                     name: "orientation " + Orientation.Landscape
                     PropertyChanges { target: main; rotation: 90; width:
                     calcwindow.height; height: calcwindow.width }
                 },
                 State {
                     name: "orientation " + Orientation.PortraitInverted
                     PropertyChanges { target: main; rotation: 180; }
                 },
                 State {
                     name: "orientation " + Orientation.LandscapeInverted
                     PropertyChanges { target: main; rotation: 270; width:
                     calcwindow.height; height: calcwindow.width }
                 }
             ]
    */
             transitions: Transition {
                 SequentialAnimation {
                     RotationAnimation { direction: RotationAnimation.Shortest; duration: 300; easing.type: Easing.InOutQuint  }
                     NumberAnimation { properties: "x,y,width,height"; duration: 300; easing.type: Easing.InOutQuint }
                 }
             }
         }
     }
 }