Qt
Internal/Contributor docs for the Qt SDK. <b>Note:</b> These are NOT official API docs; those are found <a href='https://doc.qt.io/'>here</a>.
Loading...
Searching...
No Matches
QEvdevKeyboardHandler Class Reference

#include <qevdevkeyboardhandler_p.h>

+ Inheritance diagram for QEvdevKeyboardHandler:
+ Collaboration diagram for QEvdevKeyboardHandler:

Public Types

enum  KeycodeAction {
  None = 0 , CapsLockOff = 0x01000000 , CapsLockOn = 0x01000001 , NumLockOff = 0x02000000 ,
  NumLockOn = 0x02000001 , ScrollLockOff = 0x03000000 , ScrollLockOn = 0x03000001 , Reboot = 0x04000000 ,
  PreviousConsole = 0x05000000 , NextConsole = 0x05000001 , SwitchConsoleFirst = 0x06000000 , SwitchConsoleLast = 0x0600007f ,
  SwitchConsoleMask = 0x0000007f
}
 

Public Member Functions

 QEvdevKeyboardHandler (const QString &device, QFdContainer &fd, bool disableZap, bool enableCompose, const QString &keymapFile)
 
 ~QEvdevKeyboardHandler ()
 
bool loadKeymap (const QString &file)
 
void unloadKeymap ()
 
void readKeycode ()
 
KeycodeAction processKeycode (quint16 keycode, bool pressed, bool autorepeat)
 
void switchLang ()
 
- Public Member Functions inherited from QObject
Q_INVOKABLE QObject (QObject *parent=nullptr)
 Constructs an object with parent object parent.
 
virtual ~QObject ()
 Destroys the object, deleting all its child objects.
 
virtual bool event (QEvent *event)
 This virtual function receives events to an object and should return true if the event e was recognized and processed.
 
virtual bool eventFilter (QObject *watched, QEvent *event)
 Filters events if this object has been installed as an event filter for the watched object.
 
QString objectName () const
 
Q_WEAK_OVERLOAD void setObjectName (const QString &name)
 Sets the object's name to name.
 
void setObjectName (QAnyStringView name)
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
 
QBindable< QStringbindableObjectName ()
 
bool isWidgetType () const
 Returns true if the object is a widget; otherwise returns false.
 
bool isWindowType () const
 Returns true if the object is a window; otherwise returns false.
 
bool isQuickItemType () const
 Returns true if the object is a QQuickItem; otherwise returns false.
 
bool signalsBlocked () const noexcept
 Returns true if signals are blocked; otherwise returns false.
 
bool blockSignals (bool b) noexcept
 If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it).
 
QThreadthread () const
 Returns the thread in which the object lives.
 
bool moveToThread (QThread *thread QT6_DECL_NEW_OVERLOAD_TAIL)
 Changes the thread affinity for this object and its children and returns true on success.
 
int startTimer (int interval, Qt::TimerType timerType=Qt::CoarseTimer)
 This is an overloaded function that will start a timer of type timerType and a timeout of interval milliseconds.
 
int startTimer (std::chrono::nanoseconds time, Qt::TimerType timerType=Qt::CoarseTimer)
 
void killTimer (int id)
 Kills the timer with timer identifier, id.
 
void killTimer (Qt::TimerId id)
 
template<typename T >
findChild (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 Returns the child of this object that can be cast into type T and that is called name, or \nullptr if there is no such object.
 
template<typename T >
QList< T > findChildren (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects.
 
template<typename T >
findChild (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
 
template<typename T >
QList< T > findChildren (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
 
const QObjectListchildren () const
 Returns a list of child objects.
 
void setParent (QObject *parent)
 Makes the object a child of parent.
 
void installEventFilter (QObject *filterObj)
 Installs an event filter filterObj on this object.
 
void removeEventFilter (QObject *obj)
 Removes an event filter object obj from this object.
 
QMetaObject::Connection connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
 
bool disconnect (const char *signal=nullptr, const QObject *receiver=nullptr, const char *member=nullptr) const
 
bool disconnect (const QObject *receiver, const char *member=nullptr) const
 
void dumpObjectTree () const
 Dumps a tree of children to the debug output.
 
void dumpObjectInfo () const
 Dumps information about signal connections, etc.
 
bool setProperty (const char *name, const QVariant &value)
 Sets the value of the object's name property to value.
 
bool setProperty (const char *name, QVariant &&value)
 
QVariant property (const char *name) const
 Returns the value of the object's name property.
 
QList< QByteArraydynamicPropertyNames () const
 
QBindingStoragebindingStorage ()
 
const QBindingStoragebindingStorage () const
 
QObjectparent () const
 Returns a pointer to the parent object.
 
bool inherits (const char *classname) const
 Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false.
 

Static Public Member Functions

static std::unique_ptr< QEvdevKeyboardHandlercreate (const QString &device, const QString &specification, const QString &defaultKeymapFile=QString())
 
static Qt::KeyboardModifiers toQtModifiers (quint8 mod)
 
- Static Public Member Functions inherited from QObject
static QMetaObject::Connection connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
 \threadsafe
 
static QMetaObject::Connection connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
 
template<typename Func1 , typename Func2 >
static QMetaObject::Connection connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::ContextTypeForFunctor< Func2 >::ContextType *context, Func2 &&slot, Qt::ConnectionType type=Qt::AutoConnection)
 
template<typename Func1 , typename Func2 >
static QMetaObject::Connection connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, Func2 &&slot)
 
static bool disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
 \threadsafe
 
static bool disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
 
static bool disconnect (const QMetaObject::Connection &)
 Disconnect a connection.
 
template<typename Func1 , typename Func2 >
static bool disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiver, Func2 slot)
 
template<typename Func1 >
static bool disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const QObject *receiver, void **zero)
 

Additional Inherited Members

- Public Slots inherited from QObject
void deleteLater ()
 \threadsafe
 
- Signals inherited from QObject
void destroyed (QObject *=nullptr)
 This signal is emitted immediately before the object obj is destroyed, after any instances of QPointer have been notified, and cannot be blocked.
 
void objectNameChanged (const QString &objectName, QPrivateSignal)
 This signal is emitted after the object's name has been changed.
 
- Protected Member Functions inherited from QObject
QObjectsender () const
 Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns \nullptr.
 
int senderSignalIndex () const
 
int receivers (const char *signal) const
 Returns the number of receivers connected to the signal.
 
bool isSignalConnected (const QMetaMethod &signal) const
 
virtual void timerEvent (QTimerEvent *event)
 This event handler can be reimplemented in a subclass to receive timer events for the object.
 
virtual void childEvent (QChildEvent *event)
 This event handler can be reimplemented in a subclass to receive child events.
 
virtual void customEvent (QEvent *event)
 This event handler can be reimplemented in a subclass to receive custom events.
 
virtual void connectNotify (const QMetaMethod &signal)
 
virtual void disconnectNotify (const QMetaMethod &signal)
 
 QObject (QObjectPrivate &dd, QObject *parent=nullptr)
 
- Protected Attributes inherited from QObject
QScopedPointer< QObjectDatad_ptr
 
- Properties inherited from QObject
QString objectName
 the name of this object
 

Detailed Description

Definition at line 114 of file qevdevkeyboardhandler_p.h.

Member Enumeration Documentation

◆ KeycodeAction

Enumerator
None 
CapsLockOff 
CapsLockOn 
NumLockOff 
NumLockOn 
ScrollLockOff 
ScrollLockOn 
Reboot 
PreviousConsole 
NextConsole 
SwitchConsoleFirst 
SwitchConsoleLast 
SwitchConsoleMask 

Definition at line 120 of file qevdevkeyboardhandler_p.h.

Constructor & Destructor Documentation

◆ QEvdevKeyboardHandler()

QEvdevKeyboardHandler::QEvdevKeyboardHandler ( const QString & device,
QFdContainer & fd,
bool disableZap,
bool enableCompose,
const QString & keymapFile )

Definition at line 51 of file qevdevkeyboardhandler.cpp.

References QSocketNotifier::activated(), QObject::connect(), device, QFdContainer::get(), loadKeymap(), qCDebug, QSocketNotifier::Read, readKeycode(), QObject::setObjectName(), and unloadKeymap().

Referenced by create().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ ~QEvdevKeyboardHandler()

QEvdevKeyboardHandler::~QEvdevKeyboardHandler ( )

Definition at line 71 of file qevdevkeyboardhandler.cpp.

References unloadKeymap().

+ Here is the call graph for this function:

Member Function Documentation

◆ create()

std::unique_ptr< QEvdevKeyboardHandler > QEvdevKeyboardHandler::create ( const QString & device,
const QString & specification,
const QString & defaultKeymapFile = QString() )
static

Definition at line 76 of file qevdevkeyboardhandler.cpp.

References QEvdevKeyboardHandler(), arg, args, device, qCDebug, qErrnoWarning(), qt_safe_open(), qUtf16Printable, and QStringView::split().

Referenced by QEvdevKeyboardManager::addKeyboard().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ loadKeymap()

bool QEvdevKeyboardHandler::loadKeymap ( const QString & file)

Definition at line 505 of file qevdevkeyboardhandler.cpp.

References file, QEvdevKeyboardMap::FileMagic, i, qCDebug, qUtf16Printable, qWarning, QIODeviceBase::ReadOnly, QDataStream::status(), and unloadKeymap().

Referenced by QEvdevKeyboardHandler().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ processKeycode()

QEvdevKeyboardHandler::KeycodeAction QEvdevKeyboardHandler::processKeycode ( quint16 keycode,
bool pressed,
bool autorepeat )

◆ readKeycode()

void QEvdevKeyboardHandler::readKeycode ( )

Definition at line 143 of file qevdevkeyboardhandler.cpp.

References CapsLockOff, CapsLockOn, forever, QFdContainer::get(), i, NumLockOff, NumLockOn, processKeycode(), qErrnoWarning(), qt_safe_read(), qWarning, QFdContainer::reset(), ScrollLockOff, and ScrollLockOn.

Referenced by QEvdevKeyboardHandler().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ switchLang()

void QEvdevKeyboardHandler::switchLang ( )

Definition at line 564 of file qevdevkeyboardhandler.cpp.

◆ toQtModifiers()

static Qt::KeyboardModifiers QEvdevKeyboardHandler::toQtModifiers ( quint8 mod)
inlinestatic

Definition at line 143 of file qevdevkeyboardhandler_p.h.

References Qt::AltModifier, Qt::ControlModifier, QEvdevKeyboardMap::ModAlt, QEvdevKeyboardMap::ModControl, QEvdevKeyboardMap::ModCtrlL, QEvdevKeyboardMap::ModCtrlR, QEvdevKeyboardMap::ModShift, QEvdevKeyboardMap::ModShiftL, QEvdevKeyboardMap::ModShiftR, Qt::NoModifier, and Qt::ShiftModifier.

Referenced by processKeycode().

+ Here is the caller graph for this function:

◆ unloadKeymap()

void QEvdevKeyboardHandler::unloadKeymap ( )

Definition at line 461 of file qevdevkeyboardhandler.cpp.

References QFdContainer::get(), qCDebug, and qWarning.

Referenced by QEvdevKeyboardHandler(), ~QEvdevKeyboardHandler(), and loadKeymap().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

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