Qt 5.6 | Qt Canvas 3D | One Qt Example | Navibutton.qml Example File

Qt 5.6.3 Reference Documentation

# Navibutton.qml Example File

threejs/oneqt/Navibutton.qml

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** 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
      ** Foundation and appearing in the file LICENSE.LGPLv3 included in the
      ** packaging of this file. Please review the following information to
      ** ensure the GNU Lesser General Public License version 3 requirements
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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";
                  }
              }
          }
      }