screenorientation.qml 范例文件
declarative/screenorientation/screenorientation.qml
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import QtQuick 1.0
import "Core"
import "Core/screenorientation.js" as ScreenOrientation
Rectangle {
id: window
width: 360
height: 640
color: "white"
Rectangle {
id: main
clip: true
property variant selectedOrientation: Orientation.UnknownOrientation
property variant activeOrientation: selectedOrientation == Orientation.UnknownOrientation ? runtime.orientation : selectedOrientation
state: "orientation " + activeOrientation
property bool inPortrait: (activeOrientation == Orientation.Portrait || activeOrientation == Orientation.PortraitInverted);
// rotation correction for landscape devices like N900
property bool landscapeWindow: window.width > window.height
property variant rotationDelta: landscapeWindow ? -90 : 0
rotation: rotationDelta
// initial state is portrait
property real baseWidth: landscapeWindow ? window.height-10 : window.width-10
property real baseHeight: landscapeWindow ? window.width-10 : window.height-10
width: baseWidth
height: baseHeight
anchors.centerIn: parent
color: "black"
gradient: Gradient {
GradientStop { position: 0.0; color: Qt.rgba(0.5,0.5,0.5,0.5) }
GradientStop { position: 0.8; color: "black" }
GradientStop { position: 1.0; color: "black" }
}
Item {
id: bubbles
property bool rising: false
anchors.fill: parent
property variant gravityPoint: ScreenOrientation.calculateGravityPoint(main.activeOrientation, runtime.orientation)
Repeater {
model: 24
Bubble {
rising: bubbles.rising
verticalRise: ScreenOrientation.parallel(main.activeOrientation, runtime.orientation)
xAttractor: parent.gravityPoint.x
yAttractor: parent.gravityPoint.y
}
}
Component.onCompleted: bubbles.rising = true;
}
Column {
width: centeredText.width
anchors.verticalCenter: parent.verticalCenter
anchors.horizontalCenter: parent.horizontalCenter
anchors.verticalCenterOffset: 30
Text {
text: "Orientation"
color: "white"
font.pixelSize: 22
anchors.horizontalCenter: parent.horizontalCenter
}
Text {
id: centeredText
text: ScreenOrientation.printOrientation(main.activeOrientation)
color: "white"
font.pixelSize: 40
anchors.horizontalCenter: parent.horizontalCenter
}
Text {
text: "sensor: " + ScreenOrientation.printOrientation(runtime.orientation)
color: "white"
font.pixelSize: 14
anchors.horizontalCenter: parent.horizontalCenter
}
}
Flow {
anchors.top: parent.top
anchors.left: parent.left
anchors.right: parent.right
anchors.margins: 10
spacing: 4
Button {
width: main.inPortrait ? (parent.width-4)/2 : (parent.width-8)/3
text: "Portrait"
onClicked: main.selectedOrientation = Orientation.Portrait
toggled: main.selectedOrientation == Orientation.Portrait
}
Button {
width: main.inPortrait ? (parent.width-4)/2 : (parent.width-8)/3
text: "Portrait inverted"
onClicked: main.selectedOrientation = Orientation.PortraitInverted
toggled: main.selectedOrientation == Orientation.PortraitInverted
}
Button {
width: main.inPortrait ? (parent.width-4)/2 : (parent.width-8)/3
text: "Landscape"
onClicked: main.selectedOrientation = Orientation.Landscape
toggled: main.selectedOrientation == Orientation.Landscape
}
Button {
width: main.inPortrait ? (parent.width-4)/2 : (parent.width-8)/3
text: "Landscape inverted"
onClicked: main.selectedOrientation = Orientation.LandscapeInverted
toggled: main.selectedOrientation == Orientation.LandscapeInverted
}
Button {
width: main.inPortrait ? parent.width : 2*(parent.width-2)/3
text: "From runtime.orientation"
onClicked: main.selectedOrientation = Orientation.UnknownOrientation
toggled: main.selectedOrientation == Orientation.UnknownOrientation
}
}
states: [
State {
name: "orientation " + Orientation.Landscape
PropertyChanges {
target: main
rotation: ScreenOrientation.getAngle(Orientation.Landscape)+rotationDelta
width: baseHeight
height: baseWidth
}
},
State {
name: "orientation " + Orientation.PortraitInverted
PropertyChanges {
target: main
rotation: ScreenOrientation.getAngle(Orientation.PortraitInverted)+rotationDelta
width: baseWidth
height: baseHeight
}
},
State {
name: "orientation " + Orientation.LandscapeInverted
PropertyChanges {
target: main
rotation: ScreenOrientation.getAngle(Orientation.LandscapeInverted)+rotationDelta
width: baseHeight
height: baseWidth
}
}
]
transitions: Transition {
ParallelAnimation {
RotationAnimation {
direction: RotationAnimation.Shortest
duration: 300
easing.type: Easing.InOutQuint
}
NumberAnimation {
properties: "x,y,width,height"
duration: 300
easing.type: Easing.InOutQuint
}
}
}
}
}
