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#include "mainwindow.h"
#include <QtGui>

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
{
    QPushButton *pbtn = new QPushButton(tr("button 1"));

    QPushButton *pbtn_hide_show = new QPushButton(tr("Hide/Show"));
    pbtn_hide_show->setCheckable(true);
    connect(pbtn_hide_show, SIGNAL(toggled(bool)),
            pbtn, SLOT(setVisible(bool)));
    QVBoxLayout *vblt = new QVBoxLayout(this);
    vblt->addWidget(pbtn);
    vblt->addWidget(pbtn_hide_show);

    QWidget *w = new QWidget(this);
    w->setLayout(vblt);
    this->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
    this->setCentralWidget(w);

}

QSize MainWindow::minimumSizeHint() const
{
    return QSize(1,1);
}

MainWindow::~MainWindow()
{

}