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/*
* This file is part of KQuickCharts
* SPDX-FileCopyrightText: 2019 Arjen Hiemstra <ahiemstra@heimr.nl>
*
* SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
import QtQuick 2.12
import QtQuick.Layouts 1.12
import QtQuick.Controls 2.12
import org.kde.quickcharts 1.0 as Charts
import org.kde.quickcharts.controls 1.0
/**
* A delegate that can be used as part of a Legend.
*/
Control {
id: control
property string name
property string shortName
property color color
property string value
property real maximumValueWidth
property Component indicator: Rectangle {
implicitWidth: Theme.smallSpacing
color: control.color
}
readonly property real minimumWidth: contentItem.minimumWidth
readonly property real preferredWidth: contentItem.preferredWidth
property real valueWidth
onValueWidthChanged: Logging.deprecated("LegendDelegate", "valueWidth", "5.82", "Use maximumValueWidth instead")
property real colorWidth
onColorWidthChanged: Logging.deprecated("LegendDelegate", "colorWidth", "5.82", "Customize the indicator instead")
property color valueColor
onValueColorChanged: Logging.deprecated("LegendDelegate", "valueColor", "5.82", "Customize the delegate instead")
property bool colorVisible: true
onColorVisibleChanged: Logging.deprecated("LegendDelegate", "colorVisible", "5.82", "Use an empty indicator instead")
property bool valueVisible: true
onValueVisibleChanged: Logging.deprecated("LegendDelegate", "valueVisible", "5.82", "Customize the delegate instead")
property real layoutWidth
onLayoutWidthChanged: Logging.deprecated("LegendDelegate", "layoutWidth", "5.82", "Unused")
implicitHeight: Math.max(implicitContentHeight, implicitBackgroundHeight) + topPadding + bottomPadding
// Note: Do not use implicitContentWidth here as it indirectly depends on the item width and will lead to a
// nasty infinite layout loop. Instead use something more stable that doesn't change depending on the item
// width.
implicitWidth: Math.max(contentItem.preferredWidth, implicitBackgroundWidth) + leftPadding + rightPadding
hoverEnabled: true
leftPadding: 0
rightPadding: 0
topPadding: 0
bottomPadding: 0
spacing: Theme.smallSpacing
contentItem: RowLayout {
property real actualValueWidth: control.maximumValueWidth > 0 ? control.maximumValueWidth : value.implicitWidth
property real minimumValueWidth: control.width - indicator.width - control.spacing
property real minimumWidth: indicator.width + actualValueWidth + control.spacing
property real preferredWidth: indicator.width + labelContainer.implicitWidth + actualValueWidth + control.spacing * 2
spacing: control.spacing
Loader {
id: indicator
Layout.preferredWidth: item ? item.implicitWidth : 0
Layout.fillHeight: true
sourceComponent: control.colorVisible ? control.indicator : null
}
Item {
id: labelContainer
Layout.fillHeight: true
Layout.fillWidth: true
implicitWidth: metrics.advanceWidth(control.name)
Label {
id: name
anchors.fill: parent
text: control.name + (control.shortName.length > 0 ? "\x9C" + control.shortName : "")
elide: Text.ElideRight
font: control.font
verticalAlignment: Qt.AlignVCenter
}
FontMetrics {
id: metrics
font: control.font
}
}
Label {
id: value
Layout.fillHeight: true
Layout.fillWidth: true
Layout.minimumWidth: Math.min(parent.actualValueWidth, parent.minimumValueWidth)
text: control.value;
elide: Text.ElideRight
font: name.font
verticalAlignment: Qt.AlignVCenter
horizontalAlignment: Qt.AlignRight
}
}
ToolTip.visible: control.hovered && (name.truncated || value.truncated)
ToolTip.delay: Qt.styleHints.mousePressAndHoldInterval
ToolTip.text: "%1: %2".arg(control.name).arg(control.value)
}
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