KbManager Class Reference

#include <src/ckb/kbmanager.h>

Inheritance diagram for KbManager:

Collaboration diagram for KbManager:

Signals
void	kbConnected (Kb *device)
void	kbDisconnected (Kb *device)
void	versionUpdated ()

Static Public Member Functions
static void	init (QString guiVersion)
static void	stop ()
static KbManager *	kbManager ()
static QString	ckbGuiVersion ()
static QString	ckbDaemonVersion ()
static float	parseVersionString (QString version)
static float	ckbGuiVersionF ()
static float	ckbDaemonVersionF ()
static const QSet< Kb * >	devices ()
static QTimer *	eventTimer ()
static void	fps (int framerate)
static QTimer *	scanTimer ()

Private Slots
void	scanKeyboards ()

Private Member Functions
	KbManager (QObject *parent=0)

Private Attributes
QSet< Kb * >	_devices
QTimer *	_eventTimer
QTimer *	_scanTimer

Static Private Attributes
static KbManager *	_kbManager = 0
static QString	_guiVersion
static QString	_daemonVersion = "<unavailable>"

Detailed Description

Definition at line 14 of file kbmanager.h.

Constructor & Destructor Documentation

KbManager::KbManager ( QObject *  parent = 0 )

explicitprivate

Definition at line 26 of file kbmanager.cpp.

References _eventTimer, _scanTimer, and scanKeyboards().

Referenced by init().

                                    : QObject(parent){
    // Set up the timers
    _eventTimer = new QTimer(this);
    _eventTimer->setTimerType(Qt::PreciseTimer);
    _scanTimer = new QTimer(this);
    _scanTimer->start(1000);
    connect(_scanTimer, SIGNAL(timeout()), this, SLOT(scanKeyboards()));

    // Scan for keyboards immediately so they show up as soon as the GUI appears.
    QTimer::singleShot(0,this,SLOT(scanKeyboards()));
}

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Member Function Documentation

static QString KbManager::ckbDaemonVersion ( )

inlinestatic

Definition at line 27 of file kbmanager.h.

References _daemonVersion.

Referenced by MainWindow::updateVersion().

{ return _daemonVersion; }

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static float KbManager::ckbDaemonVersionF ( )

inlinestatic

Definition at line 31 of file kbmanager.h.

References _daemonVersion, DAEMON_UNAVAILABLE_STR, and parseVersionString().

Referenced by KbFirmware::_latestForBoard(), and MainWindow::updateVersion().

{ return _daemonVersion == DAEMON_UNAVAILABLE_STR ? INFINITY : parseVersionString(_daemonVersion); }

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static QString KbManager::ckbGuiVersion ( )

inlinestatic

Definition at line 26 of file kbmanager.h.

References _guiVersion.

{ return _guiVersion; }

static float KbManager::ckbGuiVersionF ( )

inlinestatic

Definition at line 30 of file kbmanager.h.

References _guiVersion, and parseVersionString().

Referenced by KbFirmware::_latestForBoard(), and MainWindow::updateVersion().

{ return parseVersionString(_guiVersion); }

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static const QSet<Kb*> KbManager::devices ( )

inlinestatic

Definition at line 34 of file kbmanager.h.

References _devices, and _kbManager.

{ return _kbManager ? _kbManager->_devices : QSet<Kb*>(); }

static QTimer* KbManager::eventTimer ( )

inlinestatic

Definition at line 38 of file kbmanager.h.

References _eventTimer, and _kbManager.

Referenced by fps().

{ return _kbManager ? _kbManager->_eventTimer : 0; }

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void KbManager::fps ( int  framerate )

static

Definition at line 38 of file kbmanager.cpp.

References eventTimer().

Referenced by Kb::frameRate().

                                {
    QTimer* timer = eventTimer();
    if(!timer)
        return;
    if(timer->isActive())
        timer->setInterval(1000 / framerate);
    else
        timer->start(1000 / framerate);
}

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void KbManager::init ( QString  guiVersion )

static

Definition at line 12 of file kbmanager.cpp.

References _guiVersion, _kbManager, and KbManager().

Referenced by MainWindow::MainWindow().

                                      {
    _guiVersion = guiVersion;
    if(_kbManager)
        return;
    _kbManager = new KbManager();
}

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void KbManager::kbConnected ( Kb *  device )

signal

Definition at line 174 of file moc_kbmanager.cpp.

Referenced by scanKeyboards().

{
    void *_a[] = { Q_NULLPTR, const_cast<void*>(reinterpret_cast<const void*>(&_t1)) };
    QMetaObject::activate(this, &staticMetaObject, 0, _a);
}

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void KbManager::kbDisconnected ( Kb *  device )

signal

Definition at line 181 of file moc_kbmanager.cpp.

Referenced by scanKeyboards().

{
    void *_a[] = { Q_NULLPTR, const_cast<void*>(reinterpret_cast<const void*>(&_t1)) };
    QMetaObject::activate(this, &staticMetaObject, 1, _a);
}

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static KbManager* KbManager::kbManager ( )

inlinestatic

Definition at line 23 of file kbmanager.h.

References _kbManager.

Referenced by MainWindow::MainWindow().

{ return _kbManager; }

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float KbManager::parseVersionString ( QString  version )

static

Definition at line 48 of file kbmanager.cpp.

Referenced by ckbDaemonVersionF(), ckbGuiVersionF(), and KbFirmware::processDownload().

                                                  {
    // Remove extraneous info (anything after a +, anything non-numeric)
    QStringList dots = version.replace(QRegExp("\\+.+"), "").replace(QRegExp("[^\\d\\.]"), "").split(".");
    float base = 1.f;
    float res = 0.f;
    // A number like "1.2.3" will result in 1.0203
    // NB: will fail if a point version goes over 99 or if using more than two dots. floats can only reliably encode 7 decimal digits.
    foreach(const QString& dot, dots){
        res += dot.toFloat() * base;
        base /= 100.f;
    }
    return res;
}

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void KbManager::scanKeyboards ( )

privateslot

Definition at line 62 of file kbmanager.cpp.

References _daemonVersion, _devices, _eventTimer, _scanTimer, DAEMON_UNAVAILABLE_STR, devpath, Kb::isOpen(), kbConnected(), kbDisconnected(), Kb::load(), Kb::matches(), Kb::save(), and versionUpdated().

Referenced by KbManager().

                             {
    QString rootdev = devpath.arg(0);
    QFile connected(rootdev + "/connected");
    if(!connected.open(QIODevice::ReadOnly)){
        // No root controller - remove all keyboards
        foreach(Kb* kb, _devices){
            emit kbDisconnected(kb);
            kb->save();
            delete kb;
        }
        _devices.clear();
        if(_daemonVersion != DAEMON_UNAVAILABLE_STR){
            _daemonVersion = DAEMON_UNAVAILABLE_STR;
            emit versionUpdated();
        }
        return;
    }
    // Check daemon version
    QFile version(rootdev + "/version");
    QString vString;
    if(version.open(QIODevice::ReadOnly)){
        vString = QString::fromUtf8(version.readLine()).trimmed();
        version.close();
    } else
        vString = DAEMON_UNAVAILABLE_STR;
    if(_daemonVersion != vString){
        _daemonVersion = vString;
        emit versionUpdated();
    }

    // Scan connected devices
    QList<QStringList> lines;
    while(1){
        QString line = connected.readLine().trimmed();
        if(line.isEmpty())
            break;
        QStringList components = line.split(" ");
        if(components.length() < 2)             // "<path> <serial> <name>" (we're only interested in the first two)
            continue;
        lines.append(components);
    }
    connected.close();

    // Remove any active devices not in the list
    QMutableSetIterator<Kb*> i(_devices);
    while(i.hasNext()){
        Kb* kb = i.next();
        bool matched = false;
        foreach(const QStringList& line, lines){
            if(kb->matches(line[0], line[1])){
                matched = true;
                break;
            }
        }
        if(matched)
            continue;
        // Device not found, remove
        i.remove();
        emit kbDisconnected(kb);
        kb->save();
        delete kb;
    }

    // Add any new devices found in the list
    foreach(const QStringList& line, lines){
        bool matched = false;
        foreach(Kb* kb, _devices){
            if(kb->matches(line[0], line[1])){
                matched = true;
                break;
            }
        }
        if(matched)
            continue;
        // Device not found, create new
        Kb* kb = new Kb(this, line[0]);
        if(!kb->isOpen()){
            delete kb;
            continue;
        }
        _devices.insert(kb);
        // Load preferences and send signal
        emit kbConnected(kb);
        kb->load();
        connect(_eventTimer, SIGNAL(timeout()), kb, SLOT(frameUpdate()));
        connect(_scanTimer, SIGNAL(timeout()), kb, SLOT(autoSave()));
    }
}

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static QTimer* KbManager::scanTimer ( )

inlinestatic

Definition at line 43 of file kbmanager.h.

References _kbManager, and _scanTimer.

Referenced by MainWindow::MainWindow().

{ return _kbManager ? _kbManager->_scanTimer : 0; }

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void KbManager::stop ( )

static

Definition at line 19 of file kbmanager.cpp.

References _kbManager.

Referenced by MainWindow::cleanup().

                    {
    if(!_kbManager)
        return;
    delete _kbManager;
    _kbManager = 0;
}

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void KbManager::versionUpdated ( )

signal

Definition at line 188 of file moc_kbmanager.cpp.

Referenced by scanKeyboards().

{
    QMetaObject::activate(this, &staticMetaObject, 2, Q_NULLPTR);
}

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Field Documentation

QString KbManager::_daemonVersion = "<unavailable>"

staticprivate

Definition at line 59 of file kbmanager.h.

Referenced by ckbDaemonVersion(), ckbDaemonVersionF(), and scanKeyboards().

QSet<Kb*> KbManager::_devices

private

Definition at line 63 of file kbmanager.h.

Referenced by devices(), and scanKeyboards().

QTimer* KbManager::_eventTimer

private

Definition at line 64 of file kbmanager.h.

Referenced by eventTimer(), KbManager(), and scanKeyboards().

QString KbManager::_guiVersion

staticprivate

Definition at line 59 of file kbmanager.h.

Referenced by ckbGuiVersion(), ckbGuiVersionF(), and init().

KbManager * KbManager::_kbManager = 0

staticprivate

Definition at line 58 of file kbmanager.h.

Referenced by devices(), eventTimer(), init(), kbManager(), scanTimer(), and stop().

QTimer * KbManager::_scanTimer

private

Definition at line 64 of file kbmanager.h.

Referenced by KbManager(), scanKeyboards(), and scanTimer().

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The documentation for this class was generated from the following files:

• src/ckb/kbmanager.h
• src/ckb/kbmanager.cpp
• src/ckb/release/moc_kbmanager.cpp