projects/infoscreen/mainview.cpp

#include "MainView.h"
#include <QPushButton>
#include <QVBoxLayout>

#include <QTimer>

MainView::MainView(QWidget* parent)
 : QWidget(parent)
{
        this->resize(400,400);
        this->setPalette( QPalette( Qt::blue ) );


        red = new QWidget(this);
        red->setStyleSheet("QWidget { background-color: red; }");

        green = new QWidget(this);
        green->setStyleSheet("QWidget { background-color: green; }");
        green->setVisible(false);

        current = red;

        QVBoxLayout* layout = new QVBoxLayout();
        layout->addWidget(red,1 );
        layout->addWidget(green,1);
        layout->addStretch();
        layout->setContentsMargins(0,0,0,0);
        setLayout(layout);


        QTimer* timer = new QTimer(this);
        connect(timer, SIGNAL(timeout() ), this, SLOT(onTimer() ));
        timer->start(5000);
}


void MainView::onTimer()
{
        if( current == red) {
                red->setVisible(false);
                green->setVisible(true);
                current = green;
        } else {
                red->setVisible(true);
                green->setVisible(false);
                current = red;
        }
}
1	torben	509	#include "MainView.h"
2	torben	510	#include <QPushButton>
3			#include <QVBoxLayout>
4	torben	509
5	torben	510	#include <QTimer>
6
7	torben	509	MainView::MainView(QWidget* parent)
8			: QWidget(parent)
9			{
10			this->resize(400,400);
11	torben	510	this->setPalette( QPalette( Qt::blue ) );
12
13
14	torben	509	red = new QWidget(this);
15	torben	510	red->setStyleSheet("QWidget { background-color: red; }");
16
17			green = new QWidget(this);
18			green->setStyleSheet("QWidget { background-color: green; }");
19			green->setVisible(false);
20
21			current = red;
22
23			QVBoxLayout* layout = new QVBoxLayout();
24			layout->addWidget(red,1 );
25			layout->addWidget(green,1);
26			layout->addStretch();
27			layout->setContentsMargins(0,0,0,0);
28			setLayout(layout);
29
30
31
32			QTimer* timer = new QTimer(this);
33			connect(timer, SIGNAL(timeout() ), this, SLOT(onTimer() ));
34			timer->start(5000);
35	torben	509	}
36
37
38			void MainView::onTimer()
39			{
40	torben	510	if( current == red) {
41			red->setVisible(false);
42			green->setVisible(true);
43			current = green;
44			} else {
45			red->setVisible(true);
46			green->setVisible(false);
47			current = red;
48			}
49	torben	509	}