Navibutton.qml Example File

threejs/oneqt/Navibutton.qml

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  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Contact: http://www.qt.io/licensing/
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  ** This file is part of the QtCanvas3D module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL3$
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  ** GNU Lesser General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU Lesser
  ** General Public License version 3 as published by the Free Software
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  ** packaging of this file. Please review the following information to
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  ** GNU General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU
  ** General Public License version 2.0 or later as published by the Free
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  import QtQuick 2.0
  import QtQuick.Layouts 1.1

  Text {
      id: menubarItem
      text: ""
      font.family: "Helvetica"
      font.pointSize: 20
      font.weight: Font.Light
      color: "#404244"
      Layout.alignment: Qt.AlignHCenter
      state: "default"
      verticalAlignment: Text.AlignVCenter
      property bool selected: false
      property string stateSelect: ""
      property Item stateTarget

      states: [
          State {
              name: "default"
              when: !menubarItem.selected
              PropertyChanges { target: menubarItem; color: "#404244"; }
              PropertyChanges { target: selectedHighlight; height: 0; }
          },
          State {
              name: "mouseover"
              PropertyChanges { target: menubarItem; color: "#5caa15"; }
              PropertyChanges { target: selectedHighlight; height: 4; }
          },
          State {
              name: "selected"
              when: menubarItem.selected
              PropertyChanges { target: menubarItem; color: "#5caa15"; }
              PropertyChanges { target: selectedHighlight; height: 4; }
          }
      ]

      onStateChanged: {
          if (state == "selected") {
              menubarItem.stateTarget.state = menubarItem.stateSelect;
          }
      }

      transitions: [
          Transition {
              from: "*"
              to: "*"
              ColorAnimation {
                  properties: "color"
                  easing.type: Easing.InOutCubic
                  duration: 250
              }
          }
      ]

      Rectangle {
          id: selectedHighlight
          color: "#7cc54d"
          width: parent.width
          anchors.bottom: parent.bottom
          height: 0

          Behavior on height {

                      NumberAnimation {
                          easing.type: Easing.InOutCubic
                          duration: 250
                      }
                  }
      }

      MouseArea {
          id: mouseArea
          anchors.fill: parent
          hoverEnabled: true

          onPressed: {
              menubarItem.state = "mouseover";
          }

          onReleased: {
              if (menubarItem.state == "mouseover") {
                  menubarItem.selected = true;
              }
          }

          onEntered: {
              menubarItem.state = "mouseover";
          }

          onExited: {
              if (menubarItem.selected) {
                  menubarItem.state = "selected";
              } else {
                  menubarItem.state = "default";
              }
          }
      }
  }