projects/infoscreen/screenmanager.cpp

#include "screenmanager.h"
#include <QDebug>
#include <stdlib.h>

//public
ScreenManager::ScreenManager(QTime on, QTime off)
   : screenOnTime(on), screenOffTime(off)
{
    QTime now = QTime::currentTime();
    screenEnabled = (now >=screenOnTime && now < screenOffTime);
    qDebug() << "screenManager constructor : " << screenEnabled << " : " << on << " : " << off;

    if (screenEnabled) { //force screen enabled, on upstart
        enableScreen();
    } else {
        disableScreen();
    }
}


void ScreenManager::timerTick()
{
    QTime now = QTime::currentTime();
    if (screenEnabled) {
        if (now >= screenOffTime) {
            disableScreen();
        }
    } else { //screenEnabled == false
        if (now >= screenOnTime && now < screenOffTime) {
            enableScreen();
        }
    }
}


//private
void ScreenManager::disableScreen()
{
    int res;
    screenEnabled = false;
    res = system("xset dpms force off");
    qDebug("disableScreen");
}


void ScreenManager::enableScreen()
{
    int res;
    screenEnabled = true;
    res = system("xset dpms force on");
    res = system("xset -dpms"); //disable energy star auto turn -off

    res = system("xset s reset");//disable screensaver
    res = system("xset s off");

    qDebug("enableScreen");
}
1	torben	512	#include "screenmanager.h"
2	torben	873	#include <QDebug>
3	torben	512	#include <stdlib.h>
4
5			//public
6	torben	876	ScreenManager::ScreenManager(QTime on, QTime off)
7			: screenOnTime(on), screenOffTime(off)
8	torben	512	{
9			QTime now = QTime::currentTime();
10			screenEnabled = (now >=screenOnTime && now < screenOffTime);
11	torben	876	qDebug() << "screenManager constructor : " << screenEnabled << " : " << on << " : " << off;
12	torben	530
13			if (screenEnabled) { //force screen enabled, on upstart
14			enableScreen();
15	torben	873	} else {
16			disableScreen();
17	torben	530	}
18	torben	512	}
19
20
21			void ScreenManager::timerTick()
22			{
23			QTime now = QTime::currentTime();
24			if (screenEnabled) {
25			if (now >= screenOffTime) {
26			disableScreen();
27			}
28			} else { //screenEnabled == false
29			if (now >= screenOnTime && now < screenOffTime) {
30			enableScreen();
31			}
32			}
33			}
34
35
36			//private
37			void ScreenManager::disableScreen()
38			{
39	torben	525	int res;
40	torben	512	screenEnabled = false;
41	torben	525	res = system("xset dpms force off");
42	torben	512	qDebug("disableScreen");
43			}
44
45
46			void ScreenManager::enableScreen()
47			{
48	torben	525	int res;
49	torben	512	screenEnabled = true;
50	torben	525	res = system("xset dpms force on");
51			res = system("xset -dpms"); //disable energy star auto turn -off
52	torben	517
53	torben	525	res = system("xset s reset");//disable screensaver
54			res = system("xset s off");
55	torben	517
56	torben	512	qDebug("enableScreen");
57			}