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#include "SystemWindow.h"
#include "ui_SystemWindow.h"
#include "LSession.h"
#include <LuminaOS.h>
#include <QPoint>
#include <QCursor>
#include <QDebug>
#include <QProcess>
#include <QDesktopWidget>
#include <QMessageBox>
SystemWindow::SystemWindow() : QDialog(), ui(new Ui::SystemWindow){
ui->setupUi(this); //load the designer file
this->setObjectName("LeaveDialog");
//Setup the window flags
this->setWindowFlags( Qt::Tool | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint);
//Setup the icons based on the current theme
ui->tool_logout->setIcon( LXDG::findIcon("system-log-out","") );
ui->tool_restart->setIcon( LXDG::findIcon("system-reboot","") );
ui->tool_shutdown->setIcon( LXDG::findIcon("system-shutdown","") );
ui->tool_suspend->setIcon( LXDG::findIcon("system-suspend","") );
ui->push_cancel->setIcon( LXDG::findIcon("system-cancel","dialog-cancel") );
ui->push_lock->setIcon( LXDG::findIcon("system-lock-screen","") );
//Connect the signals/slots
connect(ui->tool_logout, SIGNAL(clicked()), this, SLOT(sysLogout()) );
connect(ui->tool_restart, SIGNAL(clicked()), this, SLOT(sysRestart()) );
connect(ui->tool_shutdown, SIGNAL(clicked()), this, SLOT(sysShutdown()) );
connect(ui->tool_suspend, SIGNAL(clicked()), this, SLOT(sysSuspend()) );
connect(ui->push_cancel, SIGNAL(clicked()), this, SLOT(sysCancel()) );
connect(ui->push_lock, SIGNAL(clicked()), this, SLOT(sysLock()) );
connect(ui->tool_restart_updates, SIGNAL(clicked()), this, SLOT(sysUpdate()) );
//Disable buttons if necessary
updateWindow();
ui->tool_suspend->setVisible(LOS::systemCanSuspend()); //does not change with time - just do a single check
connect(QApplication::instance(), SIGNAL(LocaleChanged()), this, SLOT(updateWindow()) );
connect(QApplication::instance(), SIGNAL(IconThemeChanged()), this, SLOT(updateWindow()) );
}
SystemWindow::~SystemWindow(){
}
void SystemWindow::updateWindow(){
//Disable the shutdown/restart buttons if necessary
ui->retranslateUi(this);
bool ok = LOS::userHasShutdownAccess();
ui->tool_restart->setEnabled(ok);
ui->tool_shutdown->setEnabled(ok);
ui->frame_update->setVisible( !LOS::systemPendingUpdates().isEmpty() );
//Center this window on the current screen
QPoint center = QApplication::desktop()->screenGeometry(QCursor::pos()).center(); //get the center of the current screen
this->move(center.x() - this->width()/2, center.y() - this->height()/2);
}
bool SystemWindow::promptAboutUpdates(bool &skip){
QString pending = LOS::systemPendingUpdates();
if(pending.isEmpty()){ skip = false; } //continue without skip
else{
QMessageBox dlg(QMessageBox::Question, tr("Apply Updates?"), tr("You have system updates waiting to be applied! Do you wish to install them now?"), QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel, this);
dlg.setButtonText(QMessageBox::Yes, tr("Yes"));
dlg.setButtonText(QMessageBox::No, tr("No"));
dlg.setButtonText(QMessageBox::Cancel, tr("Cancel"));
dlg.setDetailedText(pending);
dlg.setDefaultButton(QMessageBox::Yes);
dlg.show();
int ret = dlg.exec();
if(ret == QMessageBox::Cancel){ return false; } //do not continue
else{ skip = (ret==QMessageBox::No); }
}
return true;
}
void SystemWindow::sysLogout(){
this->close();
LSession::processEvents();
QTimer::singleShot(0, LSession::handle(), SLOT(StartLogout()) );
}
void SystemWindow::sysRestart(){
//bool skip = false;
//if(!promptAboutUpdates(skip)){ this->close(); return; } //cancelled
//this->close();
//LSession::processEvents();
LSession::handle()->StartReboot(true);
}
void SystemWindow::sysUpdate(){
//bool skip = false;
//if(!promptAboutUpdates(skip)){ this->close(); return; } //cancelled
//this->close();
//LSession::processEvents();
LSession::handle()->StartReboot(false);
}
void SystemWindow::sysShutdown(){
//bool skip = false;
//if(!promptAboutUpdates(skip)){ this->close(); return; } //cancelled
//this->close();
//LSession::processEvents();
LSession::handle()->StartShutdown();
}
void SystemWindow::sysSuspend(){
this->hide();
LSession::processEvents();
//Make sure to lock the system first (otherwise anybody can access it again)
LUtils::runCmd("xscreensaver-command -lock");
//Now suspend the system
LOS::systemSuspend();
}
void SystemWindow::sysLock(){
this->hide();
LSession::processEvents();
qDebug() << "Locking the desktop...";
QProcess::startDetached("xscreensaver-command -lock");
}
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