MyApplication.cpp

Go to the documentation of this file.

// ======================================================================
//  MyApplication.cpp
// ======================================================================
//                   This file is a part of the book 
//             "Qt 5.10 Professional programming with C++"
//                       http://qt-book.com
// ======================================================================
//  Copyright (c) 2017 by Max Schlee
// ======================================================================

#include <QtWidgets>
#include "MyApplication.h"

// ----------------------------------------------------------------------
MyApplication::MyApplication(QWidget* pwgt/*= 0*/) : QWidget(pwgt) 
{
    QComboBox*    pcbo = new QComboBox;
    QSpinBox*     pspb = new QSpinBox;
    QSlider*      psld = new QSlider(Qt::Horizontal);
    QRadioButton* prad = new QRadioButton("&Radio Button");
    QCheckBox*    pchk = new QCheckBox("&Check Box");
    QPushButton*  pcmd = new QPushButton("&Push Button");

    pcbo->addItems(QStyleFactory::keys());

    connect(pcbo, 
            SIGNAL(activated(const QString&)), 
            SLOT(slotChangeStyle(const QString&))
           );

    //Layout setup
    QVBoxLayout* pvbxLayout = new QVBoxLayout;    
    pvbxLayout->addWidget(pcbo);
    pvbxLayout->addWidget(pspb);
    pvbxLayout->addWidget(psld);
    pvbxLayout->addWidget(prad);
    pvbxLayout->addWidget(pchk);
    pvbxLayout->addWidget(pcmd);
    setLayout(pvbxLayout);
}

// ----------------------------------------------------------------------
void MyApplication::slotChangeStyle(const QString& str)
{
    QStyle* pstyle = QStyleFactory::create(str);
    QApplication::setStyle(pstyle);
}