qtdeclarative/src/quickcontrols2/basic/TreeViewDelegate.qml

103 lines
4.4 KiB
QML

/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Lt.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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import QtQuick
import QtQuick.Controls.impl
import QtQuick.Templates as T
T.TreeViewDelegate {
id: control
implicitWidth: leftMargin + __contentIndent + implicitContentWidth + rightPadding + rightMargin
implicitHeight: Math.max(indicator ? indicator.height : 0, implicitContentHeight) * 1.25
indentation: indicator ? indicator.width : 12
leftMargin: 4
rightMargin: 4
spacing: 4
topPadding: contentItem ? (height - contentItem.implicitHeight) / 2 : 0
leftPadding: !mirrored ? leftMargin + __contentIndent : width - leftMargin - __contentIndent - implicitContentWidth
required property int row
required property var model
readonly property real __contentIndent: !isTreeNode ? 0 : (depth * indentation) + (indicator ? indicator.width + spacing : 0)
indicator: Item {
// Create an area that is big enough for the user to
// click on, since the image is a bit small.
readonly property real __indicatorIndent: control.leftMargin + (control.depth * control.indentation)
x: !control.mirrored ? __indicatorIndent : control.width - __indicatorIndent - width
y: (control.height - height) / 2
width: 16
height: 16
ColorImage {
x: (parent.width - width) / 2
y: (parent.height - height) / 2
rotation: control.expanded ? 90 : (control.mirrored ? 180 : 0)
source: "qrc:/qt-project.org/imports/QtQuick/Controls/Basic/images/arrow-indicator.png"
color: control.palette.windowText
defaultColor: "#353637"
scale: 0.5
}
}
background: Rectangle {
color: control.selected || control.current ||
((control.treeView.selectionBehavior === TableView.SelectRows
|| control.treeView.selectionBehavior === TableView.SelectionDisabled)
&& control.row === control.treeView.currentRow)
? control.palette.highlight
: (control.treeView.alternatingRows && control.row % 2 !== 0
? control.palette.alternateBase
: control.palette.base)
}
contentItem: Label {
clip: false
text: control.model.display
elide: Text.ElideRight
color: control.selected || control.current ||
((control.treeView.selectionBehavior === TableView.SelectRows
|| control.treeView.selectionBehavior === TableView.SelectionDisabled)
&& control.row === control.treeView.currentRow)
? control.palette.highlightedText : control.palette.buttonText
}
}