Russian Qt Forum

#ifndef __TEST_CHILD_WIDGET_HPP
#define __TEST_CHILD_WIDGET_HPP

#include <QWidget>

class TestChildWidget : public QWidget
{
    Q_OBJECT
public:
    TestChildWidget(QWidget * parent = NULL);
    ~TestChildWidget() {};
};

#endif

#include <TestChildWidget.hpp>
#include <QPalette>

TestChildWidget::TestChildWidget(QWidget * parent/* = NULL*/)
   : QWidget(parent)
{
    QPalette pal(palette());
    pal.setColor(QPalette::Window, QColor(255, 0, 0, 120));
    setPalette(pal);
    setAutoFillBackground(true);
};

ifndef __TEST_WIDGET_HPP
#define __TEST_WIDGET_HPP

#include <QWidget>

class QPaintEvent;
class TestWidget : public QWidget
{
    Q_OBJECT

public:
    TestWidget(QWidget * parent = NULL);
    ~TestWidget() {};

protected:
    void paintEvent(QPaintEvent * event);

};

#endif
[b]TestWidget.cpp[/b]

#include <TestWidget.hpp>
#include <QPainter>
#include <QPaintEvent>
#include <QPalette>

TestWidget::TestWidget(QWidget * parent/* = NULL*/)
    : QWidget(parent)
{

    QPalette pal(palette());
    pal.setColor(QPalette::Window, QColor(255, 255, 255, 255));
    setPalette(pal);
    setAutoFillBackground(true);
};

void TestWidget::paintEvent(QPaintEvent * event)
{
    QPainter painter;
    painter.begin(this);
    painter.setRenderHint(QPainter::TextAntialiasing);
    painter.drawText(30, 30, "TEST STRING!!!!");
    painter.end();
};

#include <TestWidget.hpp>
#include <TestChildWidget.hpp>
#include <QApplication>
int main(int argc, char ** argv)
{
    QApplication app(argc, argv);
    TestWidget * parent = new TestWidget();
    TestChildWidget * child = new TestChildWidget(parent);
    TestChildWidget * child2 = new TestChildWidget(parent);
    parent->resize(200, 100);
    child->resize(50, 50);
    child2->resize(50, 50);
    child->move(10, 10);
    child2->move(20, 20);
    parent->show();
    return app.exec();
};