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//===========================================
// Lumina-DE source code
// Copyright (c) 2016, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "session.h"
#include <QObject>
#include <QProcess>
#include <QProcessEnvironment>
#include <QDebug>
#include <QSettings>
#include <QDir>
#include <LuminaUtils.h>
#include <LuminaOS.h>
void LSession::stopall(){
stopping = true;
for(int i=0; i<PROCS.length(); i++){
if(PROCS[i]->state()!=QProcess::NotRunning){ PROCS[i]->kill(); }
}
QCoreApplication::processEvents();
for(int i=0; i<PROCS.length(); i++){
if(PROCS[i]->state()!=QProcess::NotRunning){ PROCS[i]->terminate(); }
}
//QCoreApplication::exit(0);
}
void LSession::procFinished(){
//Go through and check the status on all the procs to determine which one finished
int stopped = 0;
for(int i=0; i<PROCS.length(); i++){
if(PROCS[i]->state()==QProcess::NotRunning){
stopped++;
if(!stopping){
//See if this process is the main desktop binary
if(PROCS[i]->program().section("/",-1) == "lumina-desktop"){ stopall(); } //start closing down everything
//else{ PROCS[i]->start(QIODevice::ReadOnly); } //restart the process
break;
}
}
}
if(stopping && stopped==PROCS.length()){
QCoreApplication::exit(0);
}
}
void LSession::startProcess(QString ID, QString command, QStringList watchfiles){
QString dir = QString(getenv("XDG_CONFIG_HOME"))+"/lumina-desktop/logs";
if(!QFile::exists(dir)){ QDir tmp(dir); tmp.mkpath(dir); }
QString logfile = dir+"/"+ID+".log";
if(QFile::exists(logfile+".old")){ QFile::remove(logfile+".old"); }
if(QFile::exists(logfile)){ QFile::rename(logfile,logfile+".old"); }
LProcess *proc = new LProcess(ID, watchfiles);
proc->setProcessChannelMode(QProcess::MergedChannels);
proc->setProcessEnvironment( QProcessEnvironment::systemEnvironment() );
proc->setStandardOutputFile(logfile);
if(ID=="runtime"){
//Bypass for a hidden dbus requirement for Qt itself (Qt 5.5.1)
QDir tmp = QDir::temp();
if( tmp.entryList(QStringList() << "dbus-*").isEmpty() && LUtils::isValidBinary("dbus-launch")){
command.prepend("dbus-launch --exit-with-session ");
}
}
proc->start(command, QIODevice::ReadOnly);
connect(proc, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(procFinished()) );
PROCS << proc;
}
void LSession::start(){
//First check for a valid installation
if( !LUtils::isValidBinary("fluxbox") || !LUtils::isValidBinary("lumina-desktop") ){
exit(1);
}
//Window Manager First
// FLUXBOX BUG BYPASS: if the ~/.fluxbox dir does not exist, it will ignore the given config file
if( !LUtils::isValidBinary("fluxbox") ){
qDebug() << "[INCOMPLETE LUMINA INSTALLATION] fluxbox binary is missing - cannot continue";
}else{
QString confDir = QString( getenv("XDG_CONFIG_HOME"))+"/lumina-desktop";
if(!QFile::exists(confDir)){ QDir dir(confDir); dir.mkpath(confDir); }
if(!QFile::exists(confDir+"/fluxbox-init")){
QStringList keys = LUtils::readFile(LOS::LuminaShare()+"/fluxbox-init-rc");
keys = keys.replaceInStrings("${XDG_CONFIG_HOME}", QString( getenv("XDG_CONFIG_HOME")));
LUtils::writeFile(confDir+"/fluxbox-init", keys, true);
QFile::setPermissions(confDir+"/fluxbox-init", QFile::ReadOwner | QFile::WriteOwner | QFile::ReadUser | QFile::ReadOther | QFile::ReadGroup);
}
if(!QFile::exists(confDir+"/fluxbox-keys")){
QStringList keys = LUtils::readFile(LOS::LuminaShare()+"/fluxbox-keys");
keys = keys.replaceInStrings("${XDG_CONFIG_HOME}", QString( getenv("XDG_CONFIG_HOME")));
LUtils::writeFile(confDir+"/fluxbox-keys", keys, true);
QFile::setPermissions(confDir+"/fluxbox-keys", QFile::ReadOwner | QFile::WriteOwner | QFile::ReadUser | QFile::ReadOther | QFile::ReadGroup);
}
// FLUXBOX BUG BYPASS: if the ~/.fluxbox dir does not exist, it will ignore the given config file
if(!QFile::exists(QDir::homePath()+"/.fluxbox")){
QDir dir; dir.mkpath(QDir::homePath()+"/.fluxbox");
}
QString cmd = "fluxbox -rc "+confDir+"/fluxbox-init -no-slit -no-toolbar";
startProcess("wm", cmd, QStringList() << confDir+"/fluxbox-init" << confDir+"/fluxbox-keys");
}
//Compositing manager
QSettings settings("lumina-desktop","sessionsettings");
if(settings.value("enableCompositing",true).toBool()){
if(LUtils::isValidBinary("compton")){
QString set = QString(getenv("XDG_CONFIG_HOME"))+"/lumina-desktop/compton.conf";
if(!QFile::exists(set)){
if(QFile::exists(LOS::LuminaShare()+"/compton.conf")){
QFile::copy(LOS::LuminaShare()+"/compton.conf", set);
}
}
if(!QFile::exists(set)){
qDebug() << "Using default compton settings";
startProcess("compositing","compton");
}else{
//Auto-detect if GLX is available on the system and turn it on/off as needed
bool startcompton = true;
if(LUtils::isValidBinary("glxinfo")){
bool hasAccel =! LUtils::getCmdOutput("glxinfo -B").filter("direct rendering:").filter("Yes").isEmpty();
qDebug() << "Detected GPU Acceleration:" << hasAccel;
QStringList info = LUtils::readFile(set);
for(int i=0; i<info.length(); i++){
if(info[i].section("=",0,0).simplified()=="backend"){ info[i] = QString("backend = \"")+ (hasAccel ? "glx" : "xrender")+"\""; break; } //replace this line
}
LUtils::writeFile(set, info, true);
if( !hasAccel && settings.value("compositingWithGpuAccelOnly",true).toBool() ){ startcompton = false; }
}
if(startcompton){ startProcess("compositing","compton --config \""+set+"\"", QStringList() << set); }
}
}else if(LUtils::isValidBinary("xcompmgr") && !settings.value("compositingWithGpuAccelOnly",true).toBool() ){ startProcess("compositing","xcompmgr"); }
}
//Desktop Next
startProcess("runtime","lumina-desktop");
//ScreenSaver
if(LUtils::isValidBinary("xscreensaver")){ startProcess("screensaver","xscreensaver -no-splash"); }
}
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