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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>.
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Public Member Functions | Protected Member Functions | List of all members
QXcbBasicConnection Class Reference

#include <qxcbconnection_basic.h>

+ Inheritance diagram for QXcbBasicConnection:
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Public Member Functions

 QXcbBasicConnection (const char *displayName)
 
 ~QXcbBasicConnection ()
 
const char * displayName () const
 
int primaryScreenNumber () const
 
xcb_connection_t * xcb_connection () const
 
bool isConnected () const
 
const xcb_setup_t * setup () const
 
size_t maxRequestDataBytes (size_t requestSize) const
 
xcb_atom_t atom (QXcbAtom::Atom qatom) const
 
QXcbAtom::Atom qatom (xcb_atom_t atom) const
 
xcb_atom_t internAtom (const char *name)
 
QByteArray atomName (xcb_atom_t atom)
 
bool hasXFixes () const
 
bool hasXShape () const
 
bool hasXRandr () const
 
bool hasInputShape () const
 
bool hasXKB () const
 
bool hasXRender (int major=-1, int minor=-1) const
 
bool hasXInput2 () const
 
bool hasShm () const
 
bool hasShmFd () const
 
bool hasXSync () const
 
bool hasBigRequest () const
 
bool isAtLeastXRandR12 () const
 
bool isAtLeastXRandR15 () const
 
bool isAtLeastXI21 () const
 
bool isAtLeastXI22 () const
 
bool isAtLeastXI24 () const
 
bool isXIEvent (xcb_generic_event_t *event) const
 
bool isXIType (xcb_generic_event_t *event, uint16_t type) const
 
bool isXFixesType (uint responseType, int eventType) const
 
bool isXRandrType (uint responseType, int eventType) const
 
bool isXkbType (uint responseType) const
 
- 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< QString > bindableObjectName ()
 
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).
 
QThread * thread () 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 >
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 >
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 QObjectList & children () 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< QByteArray > dynamicPropertyNames () const
 
QBindingStorage * bindingStorage ()
 
const QBindingStorage * bindingStorage () const
 
QObject * parent () 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.
 

Protected Member Functions

void initializeShm ()
 
void initializeXFixes ()
 
void initializeXRender ()
 
void initializeXRandr ()
 
void initializeXShape ()
 
void initializeXKB ()
 
void initializeXSync ()
 
void initializeXInput2 ()
 
- Protected Member Functions inherited from QObject
QObject * sender () 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)
 

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.
 
- 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)
 
- Protected Attributes inherited from QObject
QScopedPointer< QObjectData > d_ptr
 
- Properties inherited from QObject
QString objectName
 the name of this object
 
- Related Symbols inherited from QObject
 Returns the given object cast to type T if the object is of type T (or of a subclass); otherwise returns \nullptr.
 
 
 
 \macro Q_CLASSINFO(Name, Value)
 

Detailed Description

Definition at line 23 of file qxcbconnection_basic.h.

Constructor & Destructor Documentation

◆ QXcbBasicConnection()

QT_BEGIN_NAMESPACE QXcbBasicConnection::QXcbBasicConnection ( const char * displayName)

Definition at line 73 of file qxcbconnection_basic.cpp.

References QByteArray::constData(), QXcbAtom::initialize(), initializeShm(), initializeXFixes(), initializeXInput2(), initializeXKB(), initializeXRandr(), initializeXRender(), initializeXShape(), initializeXSync(), isConnected(), Q_UNLIKELY, qCWarning, and qEnvironmentVariableIsSet().

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◆ ~QXcbBasicConnection()

QXcbBasicConnection::~QXcbBasicConnection ( )

Definition at line 119 of file qxcbconnection_basic.cpp.

References isConnected().

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Member Function Documentation

◆ atom()

xcb_atom_t QXcbBasicConnection::atom ( QXcbAtom::Atom qatom) const
inline

Definition at line 43 of file qxcbconnection_basic.h.

Referenced by QXcbConnection::abortSystemMoveResize(), QXcbObject::atom(), atomName(), QXcbConnection::clientLeader(), QXcbWindow::doStartSystemMoveResize(), QXcbXSettingsPrivate::getSettings(), QXcbConnection::getTimestamp(), QXcbConnection::handleXcbEvent(), QXcbConnection::isUserInputEvent(), QXcbConnection::selectionOwner(), QXcbConnection::setStartupId(), QXcbWindow::setWindowTitle(), QXcbWindow::startSystemMoveResize(), and QXcbWindow::windowTitle().

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◆ atomName()

QByteArray QXcbBasicConnection::atomName ( xcb_atom_t atom)

Definition at line 152 of file qxcbconnection_basic.cpp.

References atom(), Q_XCB_REPLY, QByteArray(), qCWarning, and reply.

Referenced by QXcbScreen::getName(), QXcbWindow::handleClientMessageEvent(), QXcbDrag::handleEnter(), and QXcbKeyboard::updateVModMapping().

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◆ displayName()

const char * QXcbBasicConnection::displayName ( ) const
inline

Definition at line 33 of file qxcbconnection_basic.h.

Referenced by QXcbScreen::defaultName(), and QXcbScreen::getName().

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◆ hasBigRequest()

bool QXcbBasicConnection::hasBigRequest ( ) const

Definition at line 165 of file qxcbconnection_basic.cpp.

Referenced by maxRequestDataBytes().

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◆ hasInputShape()

bool QXcbBasicConnection::hasInputShape ( ) const
inline

Definition at line 51 of file qxcbconnection_basic.h.

◆ hasShm()

bool QXcbBasicConnection::hasShm ( ) const
inline

Definition at line 60 of file qxcbconnection_basic.h.

Referenced by QXcbConnection::imageNeedsEndianSwap().

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◆ hasShmFd()

bool QXcbBasicConnection::hasShmFd ( ) const
inline

Definition at line 61 of file qxcbconnection_basic.h.

◆ hasXFixes()

bool QXcbBasicConnection::hasXFixes ( ) const
inline

Definition at line 48 of file qxcbconnection_basic.h.

◆ hasXInput2()

bool QXcbBasicConnection::hasXInput2 ( ) const
inline

Definition at line 59 of file qxcbconnection_basic.h.

Referenced by doCheckUnGrabAncestor(), QXcbConnection::handleXcbEvent(), QXcbConnection::isUserInputEvent(), and QXcbConnection::printXcbEvent().

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◆ hasXKB()

bool QXcbBasicConnection::hasXKB ( ) const
inline

Definition at line 52 of file qxcbconnection_basic.h.

Referenced by QXcbKeyboard::QXcbKeyboard().

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◆ hasXRandr()

bool QXcbBasicConnection::hasXRandr ( ) const
inline

Definition at line 50 of file qxcbconnection_basic.h.

◆ hasXRender()

bool QXcbBasicConnection::hasXRender ( int major = -1,
int minor = -1 ) const
inline

Definition at line 53 of file qxcbconnection_basic.h.

References qMakePair().

Referenced by qt_xcb_native_x11_info_init().

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◆ hasXShape()

bool QXcbBasicConnection::hasXShape ( ) const
inline

Definition at line 49 of file qxcbconnection_basic.h.

◆ hasXSync()

bool QXcbBasicConnection::hasXSync ( ) const
inline

Definition at line 62 of file qxcbconnection_basic.h.

◆ initializeShm()

void QXcbBasicConnection::initializeShm ( )
protected

Definition at line 221 of file qxcbconnection_basic.cpp.

References QXcbBackingStore::createSystemVShmSegment(), QLoggingCategory::isEnabled(), Q_XCB_REPLY, qCDebug, qCWarning, QtDebugMsg, QtWarningMsg, and reply.

Referenced by QXcbBasicConnection().

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◆ initializeXFixes()

void QXcbBasicConnection::initializeXFixes ( )
protected

Definition at line 277 of file qxcbconnection_basic.cpp.

References Q_XCB_REPLY, qCWarning, and reply.

Referenced by QXcbBasicConnection().

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◆ initializeXInput2()

void QXcbBasicConnection::initializeXInput2 ( )
protected

Definition at line 317 of file qxcbconnection_basic.cpp.

References Q_XCB_REPLY, qCDebug, qCWarning, and reply.

Referenced by QXcbBasicConnection().

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◆ initializeXKB()

void QXcbBasicConnection::initializeXKB ( )
protected

Definition at line 362 of file qxcbconnection_basic.cpp.

References Q_XCB_REPLY, qCWarning, and reply.

Referenced by QXcbBasicConnection().

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◆ initializeXRandr()

void QXcbBasicConnection::initializeXRandr ( )
protected

Definition at line 295 of file qxcbconnection_basic.cpp.

References Q_XCB_REPLY, qCWarning, and reply.

Referenced by QXcbBasicConnection().

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◆ initializeXRender()

void QXcbBasicConnection::initializeXRender ( )
protected

Definition at line 256 of file qxcbconnection_basic.cpp.

References Q_XCB_REPLY, qCDebug, qCWarning, and reply.

Referenced by QXcbBasicConnection().

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◆ initializeXShape()

void QXcbBasicConnection::initializeXShape ( )
protected

Definition at line 342 of file qxcbconnection_basic.cpp.

References Q_XCB_REPLY, qCWarning, and reply.

Referenced by QXcbBasicConnection().

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◆ initializeXSync()

void QXcbBasicConnection::initializeXSync ( )
protected

Definition at line 212 of file qxcbconnection_basic.cpp.

References reply.

Referenced by QXcbBasicConnection().

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◆ internAtom()

xcb_atom_t QXcbBasicConnection::internAtom ( const char * name)

Definition at line 138 of file qxcbconnection_basic.cpp.

References Q_XCB_REPLY, qCDebug, and reply.

Referenced by QXcbVirtualDesktop::QXcbVirtualDesktop().

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◆ isAtLeastXI21()

bool QXcbBasicConnection::isAtLeastXI21 ( ) const
inline

Definition at line 68 of file qxcbconnection_basic.h.

◆ isAtLeastXI22()

bool QXcbBasicConnection::isAtLeastXI22 ( ) const
inline

Definition at line 69 of file qxcbconnection_basic.h.

Referenced by QXcbConnection::xi2SelectDeviceEvents(), and QXcbConnection::xi2SetMouseGrabEnabled().

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◆ isAtLeastXI24()

bool QXcbBasicConnection::isAtLeastXI24 ( ) const
inline

Definition at line 70 of file qxcbconnection_basic.h.

Referenced by QXcbConnection::xi2SelectDeviceEvents(), and QXcbConnection::xi2SetMouseGrabEnabled().

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◆ isAtLeastXRandR12()

bool QXcbBasicConnection::isAtLeastXRandR12 ( ) const
inline

Definition at line 65 of file qxcbconnection_basic.h.

Referenced by QXcbScreen::QXcbScreen().

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◆ isAtLeastXRandR15()

bool QXcbBasicConnection::isAtLeastXRandR15 ( ) const
inline

Definition at line 66 of file qxcbconnection_basic.h.

Referenced by QXcbConnection::handleXcbEvent().

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◆ isConnected()

bool QXcbBasicConnection::isConnected ( ) const
inline

Definition at line 36 of file qxcbconnection_basic.h.

Referenced by QXcbBasicConnection(), QXcbIntegration::QXcbIntegration(), ~QXcbBasicConnection(), and QXcbConnection::getTimestamp().

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◆ isXFixesType()

bool QXcbBasicConnection::isXFixesType ( uint responseType,
int eventType ) const

Definition at line 197 of file qxcbconnection_basic.cpp.

Referenced by QXcbConnection::handleXcbEvent(), and QXcbConnection::printXcbEvent().

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◆ isXIEvent()

bool QXcbBasicConnection::isXIEvent ( xcb_generic_event_t * event) const

Definition at line 182 of file qxcbconnection_basic.cpp.

References qt_xcb_ge_event_t::extension.

Referenced by QXcbConnection::handleXcbEvent(), isXIType(), and QXcbConnection::printXcbEvent().

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◆ isXIType()

bool QXcbBasicConnection::isXIType ( xcb_generic_event_t * event,
uint16_t type ) const

Definition at line 188 of file qxcbconnection_basic.cpp.

References qt_xcb_ge_event_t::event_type, and isXIEvent().

Referenced by QXcbConnection::isUserInputEvent().

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◆ isXkbType()

bool QXcbBasicConnection::isXkbType ( uint responseType) const

Definition at line 207 of file qxcbconnection_basic.cpp.

Referenced by QXcbConnection::handleXcbEvent(), and QXcbConnection::printXcbEvent().

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◆ isXRandrType()

bool QXcbBasicConnection::isXRandrType ( uint responseType,
int eventType ) const

Definition at line 202 of file qxcbconnection_basic.cpp.

Referenced by QXcbConnection::handleXcbEvent(), and QXcbConnection::printXcbEvent().

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◆ maxRequestDataBytes()

size_t QXcbBasicConnection::maxRequestDataBytes ( size_t requestSize) const

Definition at line 130 of file qxcbconnection_basic.cpp.

References hasBigRequest().

Referenced by QXcbClipboard::QXcbClipboard().

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◆ primaryScreenNumber()

int QXcbBasicConnection::primaryScreenNumber ( ) const
inline

Definition at line 34 of file qxcbconnection_basic.h.

Referenced by QXcbConnection::primaryScreen(), and QXcbConnection::primaryVirtualDesktop().

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◆ qatom()

QXcbAtom::Atom QXcbBasicConnection::qatom ( xcb_atom_t atom) const
inline

Definition at line 44 of file qxcbconnection_basic.h.

Referenced by QXcbWindow::wmWindowTypes().

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◆ setup()

const xcb_setup_t * QXcbBasicConnection::setup ( ) const
inline

Definition at line 39 of file qxcbconnection_basic.h.

Referenced by QXcbConnection::formatForDepth(), QXcbConnection::imageNeedsEndianSwap(), and QXcbKeyboard::keymapFromCore().

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◆ xcb_connection()

xcb_connection_t * QXcbBasicConnection::xcb_connection ( ) const
inline

Definition at line 35 of file qxcbconnection_basic.h.

Referenced by QXcbConnection::abortSystemMoveResize(), QXcbConnection::clientLeader(), QXcbNativeInterface::connection(), QXcbConnection::flush(), QXcbConnection::getTimestamp(), QXcbConnection::grabServer(), QXcbGlxIntegration::initialize(), QXcbConnection::processXcbEvents(), QXcbConnection::qtSelectionOwner(), QXcbSystemTrayTracker::requestSystemTrayWindowDock(), QXcbEventQueue::run(), QXcbConnection::selectionOwner(), QXcbConnection::setStartupId(), QXcbWindow::setWindowTitle(), QXcbConnection::sync(), QXcbSystemTrayTracker::trayWindow(), QXcbConnection::ungrabServer(), QXcbWindow::windowTitle(), QXcbObject::xcb_connection(), QXcbConnection::xi2SelectDeviceEvents(), QXcbConnection::xi2SelectStateEvents(), and QXcbConnection::xi2SetMouseGrabEnabled().

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