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#include <sys/time.h>
#include <sys/resource.h>
#include <unistd.h>
#include <syslog.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <qpe/qpeapplication.h>
#include <qpe/qcopenvelope_qws.h>
#include <qpe/qpestyle.h>
#include <qpe/power.h>
#include <opie/odevice.h>
#include <qwindowsystem_qws.h>
#include <qfile.h>
#include "loginwindowimpl.h"
#include "calibrate.h"
using namespace Opie;
int login_main ( int argc, char **argv );
void sigusr1 ( int sig );
void exit_closelog ( );
int main ( int argc, char **argv )
{
if ( ::geteuid ( ) != 0 ) {
::fprintf ( stderr, "%s can only be executed by root. (or chmod +s)", argv [0] );
return 1;
}
// struct rlimit rl;
// ::getrlimit ( RLIMIT_NOFILE, &rl );
// for ( unsigned int i = 0; i < rl. rlim_cur; i++ )
// ::close ( i );
::setpgid ( 0, 0 );
::setsid ( );
::signal ( SIGUSR1, sigusr1 );
::openlog ( "opie-login", LOG_CONS, LOG_AUTHPRIV );
::atexit ( exit_closelog );
while ( true ) {
pid_t child = ::fork ( );
if ( child < 0 ) {
::syslog ( LOG_ERR, "Could not fork process" );
break;
}
else if ( child > 0 ) {
int status = 0;
while ( ::waitpid ( child, &status, 0 ) < 0 ) { }
}
else {
::exit ( login_main ( argc, argv ));
}
}
return 0;
}
void sigusr1 ( int /*sig*/ )
{
::exit ( 0 );
}
void exit_closelog ( )
{
::closelog ( );
}
class LoginScreenSaver : public QWSScreenSaver
{
public:
LoginScreenSaver ( )
{
m_lcd_status = true;
m_backlight_bright = -1;
m_backlight_forcedoff = false;
// Make sure the LCD is in fact on, (if opie was killed while the LCD is off it would still be off)
ODevice::inst ( )-> setDisplayStatus ( true );
}
void restore()
{
if ( !m_lcd_status ) // We must have turned it off
ODevice::inst ( ) -> setDisplayStatus ( true );
setBacklight ( -3 );
}
bool save( int level )
{
switch ( level ) {
case 0:
if ( backlight() > 1 )
setBacklight( 1 ); // lowest non-off
return true;
break;
case 1:
setBacklight( 0 ); // off
return true;
break;
case 2:
// We're going to suspend the whole machine
if ( PowerStatusManager::readStatus().acStatus() != PowerStatus::Online ) {
QWSServer::sendKeyEvent( 0xffff, Qt::Key_F34, FALSE, TRUE, FALSE );
return true;
}
break;
}
return false;
}
private:
public:
void setIntervals( int i1 = 30, int i2 = 20, int i3 = 60 )
{
int v [4];
v [ 0 ] = QMAX( 1000 * i1, 100 );
v [ 1 ] = QMAX( 1000 * i2, 100 );
v [ 2 ] = QMAX( 1000 * i3, 100 );
v [ 3 ] = 0;
if ( !i1 && !i2 && !i3 )
QWSServer::setScreenSaverInterval ( 0 );
else
QWSServer::setScreenSaverIntervals ( v );
}
int backlight ( )
{
if ( m_backlight_bright == -1 )
m_backlight_bright = 255;
return m_backlight_bright;
}
void setBacklight ( int bright )
{
if ( bright == -3 ) {
// Forced on
m_backlight_forcedoff = false;
bright = -1;
}
if ( m_backlight_forcedoff && bright != -2 )
return ;
if ( bright == -2 ) {
// Toggle between off and on
bright = m_backlight_bright ? 0 : -1;
m_backlight_forcedoff = !bright;
}
m_backlight_bright = bright;
bright = backlight ( );
ODevice::inst ( ) -> setDisplayBrightness ( bright );
m_backlight_bright = bright;
}
private:
bool m_lcd_status;
int m_backlight_bright;
bool m_backlight_forcedoff;
};
int login_main ( int argc, char **argv )
{
QWSServer::setDesktopBackground( QImage() );
QPEApplication app ( argc, argv, QApplication::GuiServer );
app. setFont ( QFont ( "Helvetica", 10 ));
app. setStyle ( new QPEStyle ( ));
ODevice::inst ( )-> setSoftSuspend ( true );
#if defined(QT_QWS_CASSIOPEIA) || defined(QT_QWS_IPAQ) || defined(QT_QWS_EBX)
if ( !QFile::exists ( "/etc/pointercal" )) {
// Make sure calibration widget starts on top.
Calibrate *cal = new Calibrate;
cal-> exec ( );
delete cal;
}
#endif
LoginScreenSaver *saver = new LoginScreenSaver;
saver-> setIntervals ( );
QWSServer::setScreenSaver ( saver );
saver-> restore ( );
LoginWindowImpl *lw = new LoginWindowImpl ( );
app. setMainWidget ( lw );
lw-> setGeometry ( 0, 0, app. desktop ( )-> width ( ), app. desktop ( )-> height ( ));
lw-> show ( );
int rc = app. exec ( );
ODevice::inst ( )-> setSoftSuspend ( false );
return rc;
}
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