| 小缡绕谁前 |
2016-01-07 10:52 |
QML TableView拖动时不仅卡，还会内存泄露是怎么回事
import QtQuick 2.0
import QtQuick.Controls 1.1
Rectangle {
width: 360
height: 500
ListModel {
id: largeModel
Component.onCompleted: {
for (var i=0 ; i< 50 ; ++i)
//Math.round(Math.random()*100)
largeModel.append({"name":"name "+i , "age": "10", "gender": "test"})
for (i=0 ; i< 50 ; ++i)
//Math.round(Math.random()*100)
largeModel.append({"name":"name "+i , "age": "true", "gender": "test"})
for (i=0 ; i< 100 ; ++i)
//Math.round(Math.random()*100)
largeModel.append({"name":"name "+i , "age": "false", "gender": "test"})
}
}
Component {
id: editableDelegate
Item {
Text {
width: parent.width
anchors.margins: 4
anchors.left: parent.left
anchors.verticalCenter: parent.verticalCenter
elide: styleData.elideMode
text: styleData.value !== undefined ? styleData.value : ""
font.family: "微软雅黑"
color: styleData.textColor
visible: !styleData.selected
}
ComboBox{
id:delegatecombobox
model: [ "true", "false"]
width: parent.width/2
height: parent.height-2
anchors.verticalCenter: parent.verticalCenter
anchors.horizontalCenter: parent.horizontalCenter
currentIndex: styleData.value==="true"? 0:1
visible: styleData.value==="true"||styleData.value==="false"
}
// Loader {
// id: loaderEditor
// anchors.fill: parent
// anchors.margins: 4
// Connections {
// target: loaderEditor.item
// onAccepted: {
// if (typeof styleData.value === 'number')
// largeModel.setProperty(styleData.row, styleData.role, Number(parseFloat(loaderEditor.item.text).toFixed(0)))
// else
// largeModel.setProperty(styleData.row, styleData.role, loaderEditor.item.text)
// }
// }
// sourceComponent: styleData.selected ? editor : null
// Component {
// id: editor
// TextInput {
// id: textinput
// color: styleData.textColor
// text: styleData.value
// MouseArea {
// id: mouseArea
// anchors.fill: parent
// hoverEnabled: true
// onClicked: textinput.forceActiveFocus()
// }
// }
// }
// }
}
}
////////////////////////////////////////////////////////////////////////////////////////
TableView {
anchors.rightMargin: 12
anchors.bottomMargin: 0
anchors.leftMargin: 12
anchors.topMargin: 24
model: largeModel
anchors.margins: 12
anchors.fill:parent
clip: false
TableViewColumn {
role: "name"
title: "Name"
width: 120
}
TableViewColumn {
role: "age"
title: "value"
width: 120
}
TableViewColumn {
role: "gender"
title: "test"
width: 120
}
itemDelegate: editableDelegate
}
}
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