aboutsummaryrefslogtreecommitdiff
path: root/src-qt5/core/lumina-session/session.cpp
blob: 10953f12be01bd1867ff9dcf0710e9c39542d69a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
//===========================================
//  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 <LUtils.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]->objectName()=="runtime"){ stopall(); }
        //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);
  proc->setObjectName(ID);
  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"); }

}
bgstack15