Qt 5.8 | Qt Designer Manual | Custom Widget Plugin Example | customwidgetplugin.cpp Example File

Qt 5.8.0 Reference Documentation

# customwidgetplugin.cpp Example File

customwidgetplugin/customwidgetplugin.cpp

      /****************************************************************************
      **
      ** Copyright (C) 2016 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."
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/

      #include "analogclock.h"
      #include "customwidgetplugin.h"

      #include <QtPlugin>

      AnalogClockPlugin::AnalogClockPlugin(QObject *parent)
          : QObject(parent)
          , initialized(false)
      {
      }

      void AnalogClockPlugin::initialize(QDesignerFormEditorInterface * /* core */)
      {
          if (initialized)
              return;

          initialized = true;
      }

      bool AnalogClockPlugin::isInitialized() const
      {
          return initialized;
      }

      QWidget *AnalogClockPlugin::createWidget(QWidget *parent)
      {
          return new AnalogClock(parent);
      }

      QString AnalogClockPlugin::name() const
      {
          return "AnalogClock";
      }

      QString AnalogClockPlugin::group() const
      {
          return "Display Widgets [Examples]";
      }

      QIcon AnalogClockPlugin::icon() const
      {
          return QIcon();
      }

      QString AnalogClockPlugin::toolTip() const
      {
          return "";
      }

      QString AnalogClockPlugin::whatsThis() const
      {
          return "";
      }

      bool AnalogClockPlugin::isContainer() const
      {
          return false;
      }

      QString AnalogClockPlugin::domXml() const
      {
          return "<ui language=\"c++\">\n"
                 " <widget class=\"AnalogClock\" name=\"analogClock\">\n"
                 "  <property name=\"geometry\">\n"
                 "   <rect>\n"
                 "    <x>0</x>\n"
                 "    <y>0</y>\n"
                 "    <width>100</width>\n"
                 "    <height>100</height>\n"
                 "   </rect>\n"
                 "  </property>\n"
                 "  <property name=\"toolTip\" >\n"
                 "   <string>The current time</string>\n"
                 "  </property>\n"
                 "  <property name=\"whatsThis\" >\n"
                 "   <string>The analog clock widget displays the current time.</string>\n"
                 "  </property>\n"
                 " </widget>\n"
                 "</ui>\n";
      }

      QString AnalogClockPlugin::includeFile() const
      {
          return "analogclock.h";
      }