matrixion/subprojects/SingleApplication-3.3.0/examples/calculator/button.cpp

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#include <QtWidgets>
#include "button.h"
//! [0]
Button::Button(const QString &text, QWidget *parent)
: QToolButton(parent)
{
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
setText(text);
}
//! [0]
//! [1]
QSize Button::sizeHint() const
//! [1] //! [2]
{
QSize size = QToolButton::sizeHint();
size.rheight() += 20;
size.rwidth() = qMax(size.width(), size.height());
return size;
}
//! [2]