projects/infoscreen/screenmanager.cpp

#include "screenmanager.h"

#include <stdlib.h>

//public
ScreenManager::ScreenManager()
   : screenOnTime(06,00), screenOffTime(22,00)
{
    QTime now = QTime::currentTime();
    screenEnabled = (now >=screenOnTime && now < screenOffTime);
}


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	#include "screenmanager.h"
2
3	#include <stdlib.h>
4
5	//public
6	ScreenManager::ScreenManager()
7	: screenOnTime(06,00), screenOffTime(22,00)
8	{
9	QTime now = QTime::currentTime();
10	screenEnabled = (now >=screenOnTime && now < screenOffTime);
11	}
12
13
14	void ScreenManager::timerTick()
15	{
16	QTime now = QTime::currentTime();
17	if (screenEnabled) {
18	if (now >= screenOffTime) {
19	disableScreen();
20	}
21	} else { //screenEnabled == false
22	if (now >= screenOnTime && now < screenOffTime) {
23	enableScreen();
24	}
25	}
26	}
27
28
29	//private
30	void ScreenManager::disableScreen()
31	{
32	int res;
33	screenEnabled = false;
34	res = system("xset dpms force off");
35	qDebug("disableScreen");
36	}
37
38
39	void ScreenManager::enableScreen()
40	{
41	int res;
42	screenEnabled = true;
43	res = system("xset dpms force on");
44	res = system("xset -dpms"); //disable energy star auto turn -off
45
46	res = system("xset s reset");//disable screensaver
47	res = system("xset s off");
48
49	qDebug("enableScreen");
50	}