87 lines
2.5 KiB
C++
Executable File
87 lines
2.5 KiB
C++
Executable File
/**
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* @RDE_HEADER@
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* Declaration/Definition
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* $Id$
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* $HeadURL$
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* $Author$
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*/
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#include <QtWidgets/QApplication>
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#include <QtWidgets/QGraphicsScene>
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#include <QtWidgets/QGraphicsView>
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#include <QtWidgets/QGraphicsProxyWidget>
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#include <QtWidgets/QMessageBox>
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#include <QtWidgets/QPushButton>
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#include <QtWidgets/QTextEdit>
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#include <QtWidgets/QHBoxLayout>
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class View : public QGraphicsView
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{
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private:
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QPushButton * m_button;
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QPushButton * m_reset;
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QTextEdit * m_console;
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public:
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View(QGraphicsScene * scene, QTextEdit * console, QWidget * parent = nullptr) : QGraphicsView(scene, parent), m_console(console)
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{
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setFixedSize( 600, 400 );
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QGraphicsProxyWidget * widgetProxy;
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m_reset = new QPushButton( "Reset", nullptr ); // button must be toplevel widget
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widgetProxy = scene->addWidget( m_reset );
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widgetProxy -> setPos( this->mapToScene(150,100) );
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connect(m_reset, &QPushButton::clicked, this, [this]()
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{
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this->m_console->append("Reset cursor.\n");
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this->viewport()->setCursor( Qt::CursorShape::CrossCursor );
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});
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m_button = new QPushButton( "Touch or Click me \n to change cursor.", nullptr ); // button must be toplevel widget
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widgetProxy = scene->addWidget( m_button );
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widgetProxy -> setPos( this->mapToScene(250,200) );
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connect(m_button, &QPushButton::clicked, this, [this]()
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{
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this->m_console->append("Button has been clicked --> cursor shape changed to cross cursor.\n");
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this->viewport()->setCursor( Qt::CursorShape::CrossCursor );
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update();
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});
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connect(m_button, &QPushButton::pressed, this, [this]()
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{
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this->m_console->append("Button has been pressed.\n");
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});
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this->viewport()->setCursor( Qt::CursorShape::PointingHandCursor );
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} // View( QGraphicsScene * scene, QWidget * parent = nullptr )
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}; // class View
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int main (int argc, char* argv[])
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{
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QApplication app ( argc, argv );
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QApplication::setApplicationName("QGraphicsView Touch Test");
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QGraphicsScene scene;
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QWidget top;
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QHBoxLayout * layout = new QHBoxLayout( &top );
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QTextEdit * console = new QTextEdit( &top );
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View * view = new View( &scene, console, &top );
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layout->addWidget( view );
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layout->addWidget( console );
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top.show();
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return app.exec();
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} // main (int argc, char* argv[])
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