- Qt 5.5
- Qt Designer Manual
- Custom Widget Plugin Example
- customwidgetplugin.cpp Example File
- Qt 5.5.1 Reference Documentation

# customwidgetplugin.cpp Example File

customwidgetplugin/customwidgetplugin.cpp

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
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    #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";
    }