CustomLegend.qml Example File

qmlcustomlegend/qml/qmlcustomlegend/CustomLegend.qml
/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the Qt Charts module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:GPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3 or (at your option) any later version ** approved by the KDE Free Qt Foundation. The licenses are as published by ** the Free Software Foundation and appearing in the file LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/
import QtQuick 2.0 import QtCharts 2.0 Rectangle { id: legend color: "lightgray" property int seriesCount: 0 property variant seriesNames: [] property variant seriesColors: [] signal entered(string seriesName) signal exited(string seriesName) signal selected(string seriesName) function addSeries(seriesName, color) { var names = seriesNames; names[seriesCount] = seriesName; seriesNames = names; var colors = seriesColors; colors[seriesCount] = color; seriesColors = colors; seriesCount++; } Gradient { id: buttonGradient GradientStop { position: 0.0; color: "#F0F0F0" } GradientStop { position: 1.0; color: "#A0A0A0" } } Gradient { id: buttonGradientHovered GradientStop { position: 0.0; color: "#FFFFFF" } GradientStop { position: 1.0; color: "#B0B0B0" } } Component { id: legendDelegate Rectangle { id: rect property string name: seriesNames[index] property color markerColor: seriesColors[index] gradient: buttonGradient border.color: "#A0A0A0" border.width: 1 radius: 4 implicitWidth: label.implicitWidth + marker.implicitWidth + 30 implicitHeight: label.implicitHeight + marker.implicitHeight + 10 Row { id: row spacing: 5 anchors.verticalCenter: parent.verticalCenter anchors.left: parent.left anchors.leftMargin: 5 Rectangle { id: marker anchors.verticalCenter: parent.verticalCenter color: markerColor opacity: 0.3 radius: 4 width: 12 height: 10 } Text { id: label anchors.verticalCenter: parent.verticalCenter anchors.verticalCenterOffset: -1 text: name } } MouseArea { id: mouseArea anchors.fill: parent hoverEnabled: true onEntered: { rect.gradient = buttonGradientHovered; legend.entered(label.text); } onExited: { rect.gradient = buttonGradient; legend.exited(label.text); marker.opacity = 0.3; marker.height = 10; } onClicked: { legend.selected(label.text); marker.opacity = 1.0; marker.height = 12; } } } } Row { id: legendRow anchors.centerIn: parent spacing: 10 Repeater { id: legendRepeater model: seriesCount delegate: legendDelegate } } }

© 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.