Qt QML ItemDelegate突出显示的属性不起作用
我想在Qt QML ItemDelegate突出显示的属性不起作用,qt,hover,qml,highlight,qitemdelegate,Qt,Hover,Qml,Highlight,Qitemdelegate,我想在itemregate中自定义高亮显示颜色。如果我对材质主题使用默认的itemdegate,那么当我将鼠标悬停在该项目上时,所有的ok和颜色都会改变,但当我重新定义背景时,它会崩溃,颜色不再改变 MyItemDelegate.qml: 为什么突出显示的属性不起作用?如何自定义此颜色?问题很简单,高亮显示的属性不是从头创建的,您必须激活它,最常见的是它与ListView.isCurrentItem绑定,因此您必须更新currentItem: MyItemDelegate.qml import
itemregate
中自定义高亮显示颜色。如果我对材质主题使用默认的itemdegate
,那么当我将鼠标悬停在该项目上时,所有的ok和颜色都会改变,但当我重新定义背景时,它会崩溃,颜色不再改变
MyItemDelegate.qml:
为什么突出显示的
属性不起作用?如何自定义此颜色?问题很简单,高亮显示的属性不是从头创建的,您必须激活它,最常见的是它与ListView.isCurrentItem
绑定,因此您必须更新currentItem
:
MyItemDelegate.qml
import QtQuick 2.11
import QtQuick.Controls.Material 2.4
import QtQuick.Controls 2.4
import QtQuick.Templates 2.4 as T
T.ItemDelegate {
id: myItemDelegate
height: 40
anchors.left: parent.left
anchors.right: parent.right
highlighted: ListView.isCurrentItem // <---
contentItem: Text {
text: "Hello"
anchors.fill: parent
verticalAlignment: Text.AlignVCenter
horizontalAlignment: Text.AlignHCenter
}
background: Rectangle {
anchors.fill: myItemDelegate
color: myItemDelegate.highlighted ? "blue" : "transparent"
}
}
import QtQuick 2.9
import QtQuick.Controls 2.2
ApplicationWindow {
visible: true
width: 640
height: 480
title: qsTr("Scroll")
ListView {
id: listView
anchors.fill: parent
model: 20
delegate: MyItemDelegate {
MouseArea{
anchors.fill: parent
hoverEnabled: true
onHoveredChanged: listView.currentIndex = index
}
}
}
}
import QtQuick 2.9
import QtQuick.Controls 2.2
ApplicationWindow {
visible: true
width: 640
height: 480
title: qsTr("Scroll")
ListView {
id: listView
anchors.fill: parent
model: 20
delegate: MyItemDelegate {
MouseArea{
anchors.fill: parent
hoverEnabled: true
onHoveredChanged: listView.currentIndex = index
}
}
}
}