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todayRecommend.qml
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todayRecommend.qml
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import QtQuick 1.0
// http://doc.qt.io/qt-4.8/qml-pathview.html
Rectangle {
id: root
width: globalWidth; height:globalHeight
property int globalWidth;
property int globalHeight;
// width:1000; height:400
color: "transparent"
signal sendClicked(string str);
signal onEntered();
signal onExited();
// onEntered:
// onExited:
Image {
id:backgroundImage
width:root.width; height:root.height*700/1000
source: "test.png"
anchors.horizontalCenter: parent.horizontalCenter
// 平滑过度
smooth:true
}
Rectangle {
y: 0
x: -2
width: backgroundImage.width + 2
height: root.height*700/1000
gradient: Gradient {
GradientStop { position: 0.0; color: Qt.rgba(0,0,0, 0.0) }
GradientStop { position: 1; color: Qt.rgba(255,255,255, 1.0) }
}
}
// // // 列表模型
// ListModel {
// // ID
// id:myModel
// // 成员
// ListElement { picName: "pics/340126.jpg" }
// ListElement { picName: "pics/381815.jpg" }
// ListElement { picName: "pics/485180.jpg" }
// ListElement { picName: "pics/1861261471.jpg" }
// ListElement { picName: "pics/1669845108.jpg" }
// ListElement { picName: "pics/2081821708.jpg" }
// ListElement { picName: "pics/507984.jpg" }
// }
// Model的代表组件构成结构
// 可以理解成Model的每个组件遵循的结构？
Component {
id:myDelegate
Item {
property real scaleValue: PathView.scalePic
width:290; height:290
// 可见性 绑定path？
visible: PathView.onPath
// 层次 绑定path？
z:PathView.zOrder
Image {
id:myImage
width:290; height:290+1
source: picName
anchors.horizontalCenter: parent.horizontalCenter
// 平滑过度
smooth:true
MouseArea {
id:itemMouseArea
anchors.fill: parent
hoverEnabled: true
// focus:true
onPressed:{
// console.log(pathView.currentIndex)
}
onClicked: {
root.sendClicked(picName)
}
onEntered: {
if(parent.parent.z==3){
playButton.source = "img/large_cover_play_normal.png"
}
}
// onReleased:
onExited: {
playButton.source = ""
}
}
Image {
id:playButton
width:70; height:70
source: ""
anchors.horizontalCenter: parent.horizontalCenter
anchors.verticalCenter : parent.verticalCenter
smooth:true
MouseArea {
anchors.fill: parent
hoverEnabled: true
onPressed:{
parent.source = "img/large_cover_play_down.png"
}
onEntered:{
parent.source = "img/large_cover_play_hover.png"
}
onReleased:{
parent.source = "img/large_cover_play_normal.png"
}
onExited:{
parent.source = ""
}
}
visible:(parent.parent.z==3)?true:false
}
Text {
width:290
// height:290
text: picText
// font.family: "Helvetica"
font.family: "微软雅黑"
font.pointSize: 12
color: "white"
wrapMode :Text.WordWrap
anchors {
bottom:itemMouseArea.bottom;
bottomMargin:0
}
// opacity:2*(scaleValue-0.5)
visible:(parent.parent.z==3)?true:false
}
}
Image {
id:subImage
width:290-2; height:290
source: picName
anchors.horizontalCenter: parent.horizontalCenter
smooth:true
// 翻转
transform: Rotation {
origin.x:0; origin.y:290
axis{
x:1; y:0; z:0
}
angle:180
}
}
Rectangle {
y: myImage.height;
x: -1
width: myImage.width + 0
height: myImage.height
gradient: Gradient {
GradientStop { position: 0.0; color: Qt.rgba(255,255,255, 0.5) }
GradientStop { position: 0.12; color: Qt.rgba(255,255,255, 1.0) }
}
}
transform: [
Scale {
xScale:scaleValue; yScale:scaleValue
origin.x: 340/2; origin.y: 260/2
}
]
}
}
function decrementCurrentIndex() {
pathView.decrementCurrentIndex()
// root.update()
// pathView.requestPaint()
}
function incrementCurrentIndex() {
return pathView.incrementCurrentIndex()
}
function currentIndex() {
return pathView.currentIndex
}
PathView {
id:pathView
focus:true
model: myModel
delegate: myDelegate
anchors.fill: parent
// path上容纳的Item数量
pathItemCount: 5
// 设置突出选项
preferredHighlightBegin: 0.5
preferredHighlightEnd: 0.5
highlightRangeMode: PathView.StrictlyEnforceRange
// 属性设置弹簧效果的衰减速率,默认值为 100
flickDeceleration: 200
path: myPath
// 鼠标控制移动
Keys.onLeftPressed: decrementCurrentIndex()
Keys.onRightPressed: incrementCurrentIndex()
}
// 图像行走的路线
Path {
id: myPath
// path的开始位置 及此刻的属性
// startX:50; startY:170
startX:root.width*50/1000; startY:root.height*170/600+60; // 按比例
PathAttribute {name: "scalePic"; value: 0.5}
PathAttribute {name: "zOrder"; value: 1}
// 中心位置
// PathLine{x:500; y:170}
PathLine{x:root.width*500/1000; y:root.height*170/600+60}
PathPercent {value: 0.50}
PathAttribute {name: "scalePic"; value: 1}
PathAttribute {name: "zOrder"; value: 3}
// 结束位置
// PathLine{x:950; y:170}
PathLine{x:root.width*950/1000; y:root.height*170/600+60}
PathPercent {value: 1.00}
PathAttribute {name: "scalePic"; value: 0.5}
PathAttribute {name: "zOrder"; value: 1}
}
}