From c19c1c3799f0823eabd4113512d8dabcab480be7 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Fri, 10 May 2019 15:12:46 +0200
Subject: Use new idle-daemon instead of file

---
 src/saverwidget.cpp | 111 ++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 78 insertions(+), 33 deletions(-)

(limited to 'src/saverwidget.cpp')

diff --git a/src/saverwidget.cpp b/src/saverwidget.cpp
index 88cf5a3..13340a0 100644
--- a/src/saverwidget.cpp
+++ b/src/saverwidget.cpp
@@ -10,9 +10,10 @@
 #include <QSettings>
 #include <QFile>
 #include <QDebug>
-#include <X11/Xlib.h>
+#include <QLocalSocket>
+#include <QHash>
 
-static const QChar C_ZERO('0');
+#define C_ZERO QLatin1Char('0')
 
 static QString formatTime(qlonglong span)
 {
@@ -29,14 +30,19 @@ SaverWidget::SaverWidget(WId parentWinId, QWidget *parent) :
     QWidget(parent),
     ui(new Ui::Saver),
     _parentWinId(parentWinId),
-    _lastMouseFake(0),
     _logoutDeadline(0),
     _shutdownDeadline(0),
     _counter(0),
     _deadlineType(DeadlineType::Unknown),
     _standbyDisabled(false),
-    _isLocked(false)
+    _isLocked(false),
+    _unixSocket(nullptr),
+    _display(QString::fromLocal8Bit(qgetenv("DISPLAY")))
 {
+    int i = _display.indexOf('.');
+    if (i != -1) {
+        _display = _display.left(i);
+    }
     QString qss = Config::getMainQss();
     qDebug() << "Applying QSS: " << qss;
     this->setStyleSheet(qss);
@@ -47,7 +53,7 @@ SaverWidget::SaverWidget(WId parentWinId, QWidget *parent) :
         if (_counter % 60 == 0) {
             this->reloadValues();
         }
-        if (_counter % 4 == 0) {
+        if (!_isLocked && _counter % 4 == 0) {
             _isLocked = ScreenSaver::isLocked();
         }
         _counter++;
@@ -99,36 +105,75 @@ SaverWidget::~SaverWidget()
 
 void SaverWidget::reloadValues()
 {
-    QString display = QString::fromLocal8Bit(qgetenv("DISPLAY"));
-    int i = display.indexOf('.');
-    if (i != -1) {
-        display = display.left(i);
+    if (_unixSocket != nullptr) {
+        _unixSocket->blockSignals(true);
+        _unixSocket->deleteLater();
     }
-    QSettings s(QString("/run/openslx/idleaction-") + display, QSettings::IniFormat);
-    _logoutDeadline = s.value("lockDeadline", 0).toLongLong();
-    _shutdownDeadline = s.value("shutdownDeadline", 0).toLongLong();
-    // TODO: Load text strings for everything
-    _deadlineType = DeadlineType::Unknown;
+    _unixSocket = new QLocalSocket();
+    connect(_unixSocket, &QLocalSocket::connected, [=]() {
+        qDebug() << "Connected to daewmweon";
+        _unixSocket->write((QLatin1String("get ") + _display).toLocal8Bit());
+        QTimer::singleShot(1000, [this]() {
+           _unixSocket->disconnectFromServer();
+        });
+    });
+    connect(_unixSocket, QOverload<QLocalSocket::LocalSocketError>::of(&QLocalSocket::error), [=](QLocalSocket::LocalSocketError err) {
+        qDebug() << "Local socket error:" << err;
+    });
+    connect(_unixSocket, &QLocalSocket::disconnected, this, &SaverWidget::parseDaemonData);
+    _unixSocket->connectToServer("/run/idle-daemon");
 }
 
-void SaverWidget::mouseMoveEvent(QMouseEvent *)
+void SaverWidget::parseDaemonData()
 {
-    /*
-    // Doesn't work, method is never called :-(
-    qint64 now = QDateTime::currentMSecsSinceEpoch();
-    if (now - _lastMouseFake < 1000)
-        return;
-    ui->lblText->setText(QString::number(int(now / 1000)));
-    _lastMouseFake = now;
-    XEvent ev;
-    memset(&ev, 0, sizeof(ev));
-    ev.type = ButtonPress;
-    ev.xbutton.button = 1;
-    ev.xbutton.same_screen = True;
-    ev.xbutton.root = ev.xbutton.window = ev.xbutton.subwindow = _parentWinId;
-    XSendEvent(QX11Info::display(), _parentWinId, True, 0xfff, &ev);
-    ev.type = ButtonRelease;
-    ev.xbutton.state = 0x100;
-    XSendEvent(QX11Info::display(), _parentWinId, True, 0xfff, &ev);
-    */
+    QTextStream ts(_unixSocket);
+    QString line;
+#define SEC_NONE 0
+#define SEC_GENERAL 1
+#define SEC_ME 2
+#define STORE(x) else if (key == QLatin1String( #x )) x = value.toString()
+    int sec = SEC_NONE;
+    QString nextAction, nextActionTime, logoutTime, locked;
+    while (!ts.atEnd()) {
+        line = ts.readLine();
+        if (line.isEmpty())
+            continue;
+        if (line.at(0) == QLatin1Char('[')) {
+            // Section
+            if (line == QLatin1String("[General]")) {
+                sec = SEC_GENERAL;
+            } else if ( line == "[" + _display + "]") {
+                sec = SEC_ME;
+            } else {
+                sec = SEC_NONE;
+            }
+        } else {
+            // Value
+            int i = line.indexOf(QLatin1Char('='));
+            if (i == -1)
+                continue;
+            const QStringRef key(&line, 0, i);
+            const QStringRef value(&line, i+ 1, line.size() - (i + 1));
+            if (sec == SEC_GENERAL) {
+                if (false);
+                STORE(nextAction);
+                STORE(nextActionTime);
+            } else if (sec == SEC_ME) {
+                if (false);
+                STORE(logoutTime);
+                STORE(locked);
+            }
+        }
+    }
+    if (nextAction.isEmpty() || nextAction == QLatin1String("none") || nextActionTime.isEmpty()) {
+        _shutdownDeadline = 0;
+    } else {
+        _shutdownDeadline = nextActionTime.toLongLong();
+    }
+    _logoutDeadline = logoutTime.toLongLong();
+    if (!_isLocked && locked.toInt() != 0) {
+        _isLocked = true;
+    }
+    // TODO: Load text strings for everything
+    _deadlineType = DeadlineType::Unknown;
 }
-- 
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