Qt 5.11 | Qt Location | Map Viewer (QML) | MainMenu.qml Example File

Qt 5.11.3 Reference Documentation

# MainMenu.qml Example File

mapviewer/menus/MainMenu.qml

      /****************************************************************************
      **
      ** Copyright (C) 2017 The Qt Company Ltd.
      ** Contact: https://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** 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.
      **
      ** BSD License Usage
      ** Alternatively, you may use this file under the terms of the BSD license
      ** as follows:
      **
      ** "Redistribution and use in source and binary forms, with or without
      ** modification, are permitted provided that the following conditions are
      ** met:
      **   * Redistributions of source code must retain the above copyright
      **     notice, this list of conditions and the following disclaimer.
      **   * Redistributions in binary form must reproduce the above copyright
      **     notice, this list of conditions and the following disclaimer in
      **     the documentation and/or other materials provided with the
      **     distribution.
      **   * Neither the name of The Qt Company Ltd nor the names of its
      **     contributors may be used to endorse or promote products derived
      **     from this software without specific prior written permission.
      **
      **
      ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/

      import QtQuick 2.5
      import QtQuick.Controls 1.4
      import QtLocation 5.6

      MenuBar {
          property variant  providerMenu: providerMenu
          property variant  mapTypeMenu: mapTypeMenu
          property variant  toolsMenu: toolsMenu
          property alias isFollowMe: toolsMenu.isFollowMe
          property alias isMiniMap: toolsMenu.isMiniMap

          signal selectProvider(string providerName)
          signal selectMapType(variant mapType)
          signal selectTool(string tool);
          signal toggleMapState(string state)

          Menu {
              id: providerMenu
              title: qsTr("Provider")

              function createMenu(plugins)
              {
                  clear()
                  for (var i = 0; i < plugins.length; i++) {
                      createProviderMenuItem(plugins[i]);
                  }
              }

              function createProviderMenuItem(provider)
              {
                  var item = addItem(provider);
                  item.checkable = true;
                  item.triggered.connect(function(){selectProvider(provider)})
              }
          }

          Menu {
              id: mapTypeMenu
              title: qsTr("MapType")

              function createMenu(map)
              {
                  clear()
                  for (var i = 0; i<map.supportedMapTypes.length; i++) {
                      createMapTypeMenuItem(map.supportedMapTypes[i]).checked =
                              (map.activeMapType === map.supportedMapTypes[i]);
                  }
              }

              function createMapTypeMenuItem(mapType)
              {
                  var item = addItem(mapType.name);
                  item.checkable = true;
                  item.triggered.connect(function(){selectMapType(mapType)})
                  return item;
              }
          }

          Menu {
              id: toolsMenu
              property bool isFollowMe: false;
              property bool isMiniMap: false;
              title: qsTr("Tools")

              function createMenu(map)
              {
                  clear()
                  if (map.plugin.supportsGeocoding(Plugin.ReverseGeocodingFeature)) {
                      addItem(qsTr("Reverse geocode")).triggered.connect(function(){selectTool("RevGeocode")})
                  }
                  if (map.plugin.supportsGeocoding()) {
                      addItem(qsTr("Geocode")).triggered.connect(function(){selectTool("Geocode")})
                  }
                  if (map.plugin.supportsRouting()) {
                      addItem(qsTr("Route with coordinates")).triggered.connect(function(){selectTool("CoordinateRoute")})
                      addItem(qsTr("Route with address")).triggered.connect(function(){selectTool("AddressRoute")})
                  }

                  var item = addItem("")
                  item.text = Qt.binding(function() { return isMiniMap ? qsTr("Hide minimap") : qsTr("Minimap") })
                  item.triggered.connect(function() {toggleMapState("MiniMap")})

                  item = addItem("")
                  item.text = Qt.binding(function() { return isFollowMe ? qsTr("Stop following") : qsTr("Follow me")})
                  item.triggered.connect(function() {toggleMapState("FollowMe")})

                  addItem(qsTr("Language")).triggered.connect(function(){selectTool("Language")})
                  addItem(qsTr("Prefetch Map Data")).triggered.connect(function(){selectTool("Prefetch")})
                  addItem(qsTr("Clear Map Data")).triggered.connect(function(){selectTool("Clear")})
              }
          }
      }