简介
ListView默认是没有自动点选选中某项的，毕竟Qt的ListView功能复杂而强大
解决方法
在鼠标点击某项时设置 idControl.ListView.view.currentIndex = index ；idControl代表自己实现的delegate的项的id，注意不是Component的id
代码
import QtQuick 2.0
import QtQuick.Controls 1.4
import QtQuick.Layouts 1.1
import QtQuick.Controls.Styles 1.4
Rectangle
{
anchors.rightMargin: 4
anchors.bottomMargin: 4
anchors.leftMargin: 4
anchors.topMargin: 4
anchors.fill: parent
ColumnLayout
{
//clip: true
spacing: 2
anchors.fill: parent
Rectangle
{
//color:"yellow"
Layout.fillWidth: true
Layout.fillHeight: true
RowLayout {
anchors.fill: parent
Rectangle
{
Layout.fillWidth: true
Layout.fillHeight: true
ListView {
id:idLogListView
focus:true
//Keys.enabled: true
//highlightRangeMode: ListView.ApplyRange
anchors.fill: parent
highlight: Rectangle { color: "#00CED1" }
model: idListModle
delegate: Component
{
RowLayout {
id:idlistElemnet
height: 20
width: parent.width
spacing: 20
Layout.fillWidth: true
Rectangle {height: 16
width: 16
radius: 5
color:getListEleHeadColor(type)
Text{ anchors.centerIn: parent}
}
Text { text: time; font.bold: true}
Text { text:type }
Text { text:descripe; color:"blue" ; Layout.fillWidth: true}
states: State {
name: "Current"
when: idlistElemnet.ListView.isCurrentItem
PropertyChanges { target: idlistElemnet; x: 20 }
}
transitions: Transition {
NumberAnimation { properties: "x"; duration: 200 }
}
MouseArea {
anchors.fill: parent
onClicked: idlistElemnet.ListView.view.currentIndex = index
}
}
}
Component.onCompleted:
{
for(var idx=0;idx<100;idx++)
{
var newType=parseInt((Math.random(Math.random())*100+1)%3);
idListModle.append( { "descripe": "系统日志....................","time": "2016-10-2","type":newType});
}
}
}
ListModel {
id:idListModle
ListElement {
descripe: "系统日志....................."
time: "2016-11-2"
type:1
}
}
}
Rectangle
{
Layout.fillHeight: true
// 滚动条
id: scrollbar
width: 10;
height: 380
color: "#D9D9D9"
radius: 10
// 按钮
Rectangle {
id: button
x: 0
y: idLogListView.visibleArea.yPosition * scrollbar.height
width: 10
height: idLogListView.visibleArea.heightRatio * scrollbar.height;
color: "#979797"
radius: 10
// 鼠标区域
MouseArea {
id: mouseArea
anchors.fill: button
drag.target: button
drag.axis: Drag.YAxis
drag.minimumY: 0
drag.maximumY: scrollbar.height - button.height
// 拖动
onMouseYChanged: {
idLogListView.contentY = button.y / scrollbar.height * idLogListView.contentHeight
}
}
}
}
}
}
Rectangle
{
Layout.preferredHeight: 40
Layout.fillWidth: true
Layout.minimumHeight:40
}
}
function getListEleHeadColor(ntype)
{
switch(ntype)
{
case 0:
return "lightblue"
case 1:
return "red";
case 2:
return "yellow";
case 3:
return "green";
default:
return "black";
}
}
}
