#include #include #include "checkbox.h" Checkbox::Checkbox(QWidget *parent) : QWidget(parent) { } Checkbox::~Checkbox() { } void Checkbox::mousePressEvent(QMouseEvent *event) { QWidget::mousePressEvent(event); } void Checkbox::mouseReleaseEvent(QMouseEvent *event) { QWidget::mouseReleaseEvent(event); } void Checkbox::paintEvent(QPaintEvent *event) { QPainter painter(this); painter.drawRect(0, 0, 50, 50); QWidget::paintEvent(event); }