Qt 4.8
Public Types | Public Slots | Public Functions | Private Types | Properties | List of all members
QPaintBufferResource Class Reference

#include <qpaintbuffer_p.h>

Inheritance diagram for QPaintBufferResource:
QObject

Public Types

typedef void(* FreeFunc) (void *)
 

Public Slots

void remove (const QPaintBufferPrivate *key)
 
- Public Slots inherited from QObject
void deleteLater ()
 Schedules this object for deletion. More...
 

Public Functions

void insert (const QPaintBufferPrivate *key, void *value)
 
 QPaintBufferResource (FreeFunc f, QObject *parent=0)
 
void * value (const QPaintBufferPrivate *key)
 
 ~QPaintBufferResource ()
 
- 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...
 

Private Types

typedef QHash< const QPaintBufferPrivate *, void * > Cache
 

Properties

FreeFunc free
 
Cache m_cache
 

Additional Inherited Members

- 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 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)
 
- 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

Definition at line 438 of file qpaintbuffer_p.h.

Typedefs

◆ Cache

typedef QHash<const QPaintBufferPrivate *, void *> QPaintBufferResource::Cache
private

Definition at line 454 of file qpaintbuffer_p.h.

◆ FreeFunc

typedef void(* QPaintBufferResource::FreeFunc) (void *)

Definition at line 442 of file qpaintbuffer_p.h.

Constructors and Destructors

◆ QPaintBufferResource()

QPaintBufferResource::QPaintBufferResource ( FreeFunc  f,
QObject parent = 0 
)

Definition at line 2061 of file qpaintbuffer.cpp.

2061  : QObject(parent), free(f)
2062 {
2063  connect(QPaintBufferSignalProxy::instance(), SIGNAL(aboutToDestroy(const QPaintBufferPrivate*)), this, SLOT(remove(const QPaintBufferPrivate*)));
2064 }
#define SLOT(a)
Definition: qobjectdefs.h:226
#define SIGNAL(a)
Definition: qobjectdefs.h:227
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 rece...
Definition: qobject.cpp:2580
Q_INVOKABLE QObject(QObject *parent=0)
Constructs an object with parent object parent.
Definition: qobject.cpp:753
static QPaintBufferSignalProxy * instance()

◆ ~QPaintBufferResource()

QPaintBufferResource::~QPaintBufferResource ( )

Definition at line 2066 of file qpaintbuffer.cpp.

2067 {
2068  for (Cache::iterator it = m_cache.begin(); it != m_cache.end(); ++it)
2069  free(it.value());
2070 }
#define it(className, varName)
iterator end()
Returns an STL-style iterator pointing to the imaginary item after the last item in the hash...
Definition: qhash.h:467
iterator begin()
Returns an STL-style iterator pointing to the first item in the hash.
Definition: qhash.h:464
friend class iterator
Definition: qhash.h:393

Functions

◆ insert()

void QPaintBufferResource::insert ( const QPaintBufferPrivate key,
void *  value 
)

Definition at line 2072 of file qpaintbuffer.cpp.

2073 {
2074  Cache::iterator it = m_cache.find(key);
2075  if (it != m_cache.end()) {
2076  free(it.value());
2077  it.value() = value;
2078  } else {
2079  m_cache.insert(key, value);
2080  }
2081 }
#define it(className, varName)
iterator insert(const Key &key, const T &value)
Inserts a new item with the key and a value of value.
Definition: qhash.h:753
void * value(const QPaintBufferPrivate *key)
iterator end()
Returns an STL-style iterator pointing to the imaginary item after the last item in the hash...
Definition: qhash.h:467
iterator find(const Key &key)
Returns an iterator pointing to the item with the key in the hash.
Definition: qhash.h:865
friend class iterator
Definition: qhash.h:393

◆ remove

void QPaintBufferResource::remove ( const QPaintBufferPrivate key)
slot

Definition at line 2091 of file qpaintbuffer.cpp.

2092 {
2093  Cache::iterator it = m_cache.find(key);
2094  if (it != m_cache.end()) {
2095  free(it.value());
2096  m_cache.erase(it);
2097  }
2098 }
#define it(className, varName)
iterator end()
Returns an STL-style iterator pointing to the imaginary item after the last item in the hash...
Definition: qhash.h:467
iterator find(const Key &key)
Returns an iterator pointing to the item with the key in the hash.
Definition: qhash.h:865
iterator erase(iterator it)
Removes the (key, value) pair associated with the iterator pos from the hash, and returns an iterator...
Definition: qhash.h:827
friend class iterator
Definition: qhash.h:393

◆ value()

void * QPaintBufferResource::value ( const QPaintBufferPrivate key)

Definition at line 2083 of file qpaintbuffer.cpp.

Referenced by insert().

2084 {
2085  Cache::iterator it = m_cache.find(key);
2086  if (it != m_cache.end())
2087  return it.value();
2088  return 0;
2089 }
#define it(className, varName)
T & value() const
Returns a modifiable reference to the current item&#39;s value.
Definition: qhash.h:348
iterator end()
Returns an STL-style iterator pointing to the imaginary item after the last item in the hash...
Definition: qhash.h:467
iterator find(const Key &key)
Returns an iterator pointing to the item with the key in the hash.
Definition: qhash.h:865
friend class iterator
Definition: qhash.h:393

Properties

◆ free

FreeFunc QPaintBufferResource::free
private

Definition at line 456 of file qpaintbuffer_p.h.

Referenced by insert(), remove(), and ~QPaintBufferResource().

◆ m_cache

Cache QPaintBufferResource::m_cache
private

Definition at line 455 of file qpaintbuffer_p.h.

Referenced by insert(), remove(), value(), and ~QPaintBufferResource().


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