Qt 4.8
Public Functions | Static Public Functions | Friends | List of all members
QKeyMapper Class Reference

#include <qkeymapper_p.h>

Inheritance diagram for QKeyMapper:
QObject

Public Functions

 QKeyMapper ()
 Constructs a new key mapper. More...
 
 ~QKeyMapper ()
 Destroys the key mapper. More...
 
- Public Functions inherited from QObject
bool blockSignals (bool b)
 If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it). More...
 
const QObjectListchildren () const
 Returns a list of child objects. More...
 
bool connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
 
bool disconnect (const char *signal=0, const QObject *receiver=0, const char *member=0)
 
bool disconnect (const QObject *receiver, const char *member=0)
 
void dumpObjectInfo ()
 Dumps information about signal connections, etc. More...
 
void dumpObjectTree ()
 Dumps a tree of children to the debug output. More...
 
QList< QByteArraydynamicPropertyNames () const
 Returns the names of all properties that were dynamically added to the object using setProperty(). More...
 
virtual bool event (QEvent *)
 This virtual function receives events to an object and should return true if the event e was recognized and processed. More...
 
virtual bool eventFilter (QObject *, QEvent *)
 Filters events if this object has been installed as an event filter for the watched object. More...
 
template<typename T >
findChild (const QString &aName=QString()) const
 Returns the child of this object that can be cast into type T and that is called name, or 0 if there is no such object. More...
 
template<typename T >
QList< T > findChildren (const QString &aName=QString()) 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. More...
 
template<typename T >
QList< T > findChildren (const QRegExp &re) const
 
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. More...
 
void installEventFilter (QObject *)
 Installs an event filter filterObj on this object. More...
 
bool isWidgetType () const
 Returns true if the object is a widget; otherwise returns false. More...
 
void killTimer (int id)
 Kills the timer with timer identifier, id. More...
 
virtual const QMetaObjectmetaObject () const
 Returns a pointer to the meta-object of this object. More...
 
void moveToThread (QThread *thread)
 Changes the thread affinity for this object and its children. More...
 
QString objectName () const
 
QObjectparent () const
 Returns a pointer to the parent object. More...
 
QVariant property (const char *name) const
 Returns the value of the object's name property. More...
 
Q_INVOKABLE QObject (QObject *parent=0)
 Constructs an object with parent object parent. More...
 
void removeEventFilter (QObject *)
 Removes an event filter object obj from this object. More...
 
void setObjectName (const QString &name)
 
void setParent (QObject *)
 Makes the object a child of parent. More...
 
bool setProperty (const char *name, const QVariant &value)
 Sets the value of the object's name property to value. More...
 
void setUserData (uint id, QObjectUserData *data)
 
bool signalsBlocked () const
 Returns true if signals are blocked; otherwise returns false. More...
 
int startTimer (int interval)
 Starts a timer and returns a timer identifier, or returns zero if it could not start a timer. More...
 
QThreadthread () const
 Returns the thread in which the object lives. More...
 
QObjectUserDatauserData (uint id) const
 
virtual ~QObject ()
 Destroys the object, deleting all its child objects. More...
 

Static Public Functions

static void changeKeyboard ()
 
static QKeyMapperinstance ()
 Returns the pointer to the single instance of QKeyMapper in the application. More...
 
static QList< int > possibleKeys (QKeyEvent *e)
 
static bool sendKeyEvent (QWidget *widget, bool grab, QEvent::Type type, int code, Qt::KeyboardModifiers modifiers, const QString &text, bool autorepeat, int count, quint32 nativeScanCode, quint32 nativeVirtualKey, quint32 nativeModifiers, bool *unusedExceptForCocoa=0)
 
- Static Public Functions inherited from QObject
static bool connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
 Creates a connection of the given type from the signal in the sender object to the method in the receiver object. More...
 
static bool connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
 
static bool disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
 Disconnects signal in object sender from method in object receiver. More...
 
static bool disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
 
static uint registerUserData ()
 
static QString tr (const char *sourceText, const char *comment=0, int n=-1)
 
static QString trUtf8 (const char *sourceText, const char *comment=0, int n=-1)
 

Friends

QKeyMapperPrivateqt_keymapper_private ()
 

Additional Inherited Members

- Public Slots inherited from QObject
void deleteLater ()
 Schedules this object for deletion. More...
 
- Signals inherited from QObject
void destroyed (QObject *=0)
 This signal is emitted immediately before the object obj is destroyed, and can not be blocked. More...
 
- Static Public Variables inherited from QObject
static const QMetaObject staticMetaObject
 This variable stores the meta-object for the class. More...
 
- Protected Functions inherited from QObject
virtual void childEvent (QChildEvent *)
 This event handler can be reimplemented in a subclass to receive child events. More...
 
virtual void connectNotify (const char *signal)
 This virtual function is called when something has been connected to signal in this object. More...
 
virtual void customEvent (QEvent *)
 This event handler can be reimplemented in a subclass to receive custom events. More...
 
virtual void disconnectNotify (const char *signal)
 This virtual function is called when something has been disconnected from signal in this object. More...
 
 QObject (QObjectPrivate &dd, QObject *parent=0)
 
int receivers (const char *signal) const
 Returns the number of receivers connected to the signal. More...
 
QObjectsender () const
 Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns 0. More...
 
int senderSignalIndex () const
 
virtual void timerEvent (QTimerEvent *)
 This event handler can be reimplemented in a subclass to receive timer events for the object. More...
 
- Protected Variables inherited from QObject
QScopedPointer< QObjectDatad_ptr
 
- Static Protected Variables inherited from QObject
static const QMetaObject staticQtMetaObject
 

Detailed Description

Since
4.2
Warning
This function is not part of the public interface.
See also
QObject

Definition at line 70 of file qkeymapper_p.h.

Constructors and Destructors

◆ QKeyMapper()

QKeyMapper::QKeyMapper ( )
explicit

Constructs a new key mapper.

Definition at line 62 of file qkeymapper.cpp.

63  : QObject(*new QKeyMapperPrivate, 0)
64 {
65 }
Q_INVOKABLE QObject(QObject *parent=0)
Constructs an object with parent object parent.
Definition: qobject.cpp:753

◆ ~QKeyMapper()

QKeyMapper::~QKeyMapper ( )

Destroys the key mapper.

Definition at line 70 of file qkeymapper.cpp.

71 {
72 }

Functions

◆ changeKeyboard()

void QKeyMapper::changeKeyboard ( )
static

Definition at line 90 of file qkeymapper.cpp.

Referenced by qt_init(), QtWndProc(), QKeyMapperPrivate::updateKeyMap(), and QApplication::x11ProcessEvent().

91 {
92  instance()->d_func()->clearMappings();
93 
94  // inform all toplevel widgets of the change
97  for (int i = 0; i < list.size(); ++i) {
98  QWidget *w = list.at(i);
100  }
101 }
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
const T & at(int i) const
Returns the item at index position i in the list.
Definition: qlist.h:468
static QKeyMapper * instance()
Returns the pointer to the single instance of QKeyMapper in the application.
Definition: qkeymapper.cpp:108
static QWidgetList topLevelWidgets()
Returns a list of the top-level widgets (windows) in the application.
int size() const
Returns the number of items in the list.
Definition: qlist.h:137
The QEvent class is the base class of all event classes.
Definition: qcoreevent.h:56
bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event)
The QList class is a template class that provides lists.
Definition: qdatastream.h:62

◆ instance()

QKeyMapper * QKeyMapper::instance ( )
static

Returns the pointer to the single instance of QKeyMapper in the application.

If none yet exists, the function ensures that one is created.

Definition at line 108 of file qkeymapper.cpp.

Referenced by changeKeyboard(), possibleKeys(), and qt_keymapper_private().

109 {
110  return keymapper();
111 }

◆ possibleKeys()

QList< int > QKeyMapper::possibleKeys ( QKeyEvent e)
static

Definition at line 74 of file qkeymapper.cpp.

Referenced by QShortcutMap::createNewSequences(), and possibleKeys().

75 {
76  QList<int> result;
77 
78  if (!e->nativeScanCode()) {
79  if (e->key() && (e->key() != Qt::Key_unknown))
80  result << int(e->key() + e->modifiers());
81  else if (!e->text().isEmpty())
82  result << int(e->text().at(0).unicode() + e->modifiers());
83  return result;
84  }
85 
86  return instance()->d_func()->possibleKeys(e);
87 }
const QChar at(int i) const
Returns the character at the given index position in the string.
Definition: qstring.h:698
ushort unicode() const
This is an overloaded member function, provided for convenience. It differs from the above function o...
Definition: qchar.h:251
quint32 nativeScanCode() const
Returns the native scan code of the key event.
Definition: qevent.cpp:872
Qt::KeyboardModifiers modifiers() const
Returns the keyboard modifier flags that existed immediately after the event occurred.
Definition: qevent.cpp:999
static QList< int > possibleKeys(QKeyEvent *e)
Definition: qkeymapper.cpp:74
int key() const
Returns the code of the key that was pressed or released.
Definition: qevent.h:231
bool isEmpty() const
Returns true if the string has no characters; otherwise returns false.
Definition: qstring.h:704
static QKeyMapper * instance()
Returns the pointer to the single instance of QKeyMapper in the application.
Definition: qkeymapper.cpp:108
QString text() const
Returns the Unicode text that this key generated.
Definition: qevent.h:236

◆ sendKeyEvent()

bool QKeyMapper::sendKeyEvent ( QWidget widget,
bool  grab,
QEvent::Type  type,
int  code,
Qt::KeyboardModifiers  modifiers,
const QString text,
bool  autorepeat,
int  count,
quint32  nativeScanCode,
quint32  nativeVirtualKey,
quint32  nativeModifiers,
bool *  unusedExceptForCocoa = 0 
)
static

Definition at line 966 of file qkeymapper_mac.cpp.

Referenced by QKeyMapperPrivate::isADeadKey(), qt_keyrelease_scanner(), QtWndProc(), and QKeyMapperPrivate::translateKeyEvent().

971 {
972  Q_UNUSED(count);
973  if (widget && widget->isEnabled()) {
974  bool key_event = true;
975 #if defined(QT3_SUPPORT) && !defined(QT_NO_SHORTCUT)
976  if (type == QEvent::KeyPress && !grab
977  && QApplicationPrivate::instance()->use_compat()) {
978  QKeyEventEx accel_ev(type, code, modifiers,
979  text, autorepeat, qMax(1, int(text.length())),
980  nativeScanCode, nativeVirtualKey, nativeModifiers);
981  if (QApplicationPrivate::instance()->qt_tryAccelEvent(widget, &accel_ev)) {
982 #if defined(DEBUG_KEY_BINDINGS) || defined(DEBUG_KEY_BINDINGS_MODIFIERS)
983  qDebug("KeyEvent: %s::%s consumed Accel: %s",
984  widget ? widget->metaObject()->className() : "none",
985  widget ? widget->objectName().toLatin1().constData() : "",
986  text.toLatin1().constData());
987 #endif
988  key_event = false;
989  } else {
990  if (accel_ev.isAccepted()) {
991 #if defined(DEBUG_KEY_BINDINGS) || defined(DEBUG_KEY_BINDINGS_MODIFIERS)
992  qDebug("KeyEvent: %s::%s overrode Accel: %s",
993  widget ? widget->metaObject()->className() : "none",
994  widget ? widget->objectName().toLatin1().constData() : "",
995  text.toLatin1().constData());
996 #endif
997  }
998  }
999  }
1000 #else
1001 Q_UNUSED(grab);
1002 #endif // QT3_SUPPORT && !QT_NO_SHORTCUT
1003  if (key_event) {
1004 #if defined(DEBUG_KEY_BINDINGS) || defined(DEBUG_KEY_BINDINGS_MODIFIERS)
1005  qDebug("KeyEvent: Sending %s to %s::%s: %s 0x%08x%s",
1006  type == QEvent::KeyRelease ? "KeyRelease" : "KeyPress",
1007  widget ? widget->metaObject()->className() : "none",
1008  widget ? widget->objectName().toLatin1().constData() : "",
1009  text.toLatin1().constData(), int(modifiers),
1010  autorepeat ? " Repeat" : "");
1011 #endif
1012  QKeyEventEx ke(type, code, modifiers, text, autorepeat, qMax(1, text.length()),
1013  nativeScanCode, nativeVirtualKey, nativeModifiers);
1014  bool retMe = qt_sendSpontaneousEvent(widget,&ke);
1015  if (isAccepted)
1016  *isAccepted = ke.isAccepted();
1017  return retMe;
1018  }
1019  }
1020  return false;
1021 }
int type
Definition: qmetatype.cpp:239
int length() const
Returns the number of characters in this string.
Definition: qstring.h:696
static QApplicationPrivate * instance()
bool qt_sendSpontaneousEvent(QObject *obj, QEvent *event)
Q_DECL_CONSTEXPR const T & qMax(const T &a, const T &b)
Definition: qglobal.h:1217
Q_CORE_EXPORT void qDebug(const char *,...)
QByteArray toLatin1() const Q_REQUIRED_RESULT
Returns a Latin-1 representation of the string as a QByteArray.
Definition: qstring.cpp:3993
bool isEnabled() const
Definition: qwidget.h:948
const char * constData() const
Returns a pointer to the data stored in the byte array.
Definition: qbytearray.h:433
const char * className() const
Returns the class name.
Definition: qobjectdefs.h:491
QString objectName() const
#define Q_UNUSED(x)
Indicates to the compiler that the parameter with the specified name is not used in the body of a fun...
Definition: qglobal.h:1729
virtual const QMetaObject * metaObject() const
Returns a pointer to the meta-object of this object.

Friends and Related Functions

◆ qt_keymapper_private

QKeyMapperPrivate* qt_keymapper_private ( )
friend

Definition at line 113 of file qkeymapper.cpp.

114 {
115  return QKeyMapper::instance()->d_func();
116 }
static QKeyMapper * instance()
Returns the pointer to the single instance of QKeyMapper in the application.
Definition: qkeymapper.cpp:108

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