Qt 4.8
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QDeclarativePixmapReply Class Reference
Inheritance diagram for QDeclarativePixmapReply:
QObject

Classes

class  Event
 

Public Types

enum  ReadError { NoError, Loading, Decoding }
 

Signals

void downloadProgress (qint64, qint64)
 
void finished ()
 
- 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...
 

Public Functions

void postReply (ReadError, const QString &, const QSize &, const QImage &)
 
 QDeclarativePixmapReply (QDeclarativePixmapData *)
 
 ~QDeclarativePixmapReply ()
 
- 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 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...
 

Public Variables

QDeclarativePixmapDatadata
 
QDeclarativeEngineengineForReader
 
bool loading
 
int redirectCount
 
QSize requestSize
 
QUrl url
 

Static Public Variables

static int downloadProgressIndex = -1
 
static int finishedIndex = -1
 
- Static Public Variables inherited from QObject
static const QMetaObject staticMetaObject
 This variable stores the meta-object for the class. More...
 

Protected Functions

bool event (QEvent *event)
 This virtual function receives events to an object and should return true if the event e was recognized and processed. 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...
 

Additional Inherited Members

- Public Slots inherited from QObject
void deleteLater ()
 Schedules this object for deletion. 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)
 
- Protected Variables inherited from QObject
QScopedPointer< QObjectDatad_ptr
 
- Static Protected Variables inherited from QObject
static const QMetaObject staticQtMetaObject
 

Detailed Description

Definition at line 83 of file qdeclarativepixmapcache.cpp.

Enumerations

◆ ReadError

Constructors and Destructors

◆ QDeclarativePixmapReply()

QDeclarativePixmapReply::QDeclarativePixmapReply ( QDeclarativePixmapData d)

Definition at line 714 of file qdeclarativepixmapcache.cpp.

716 {
717  if (finishedIndex == -1) {
720  }
721 }
QDeclarativePixmapData * data
static const QMetaObject staticMetaObject
This variable stores the meta-object for the class.
Definition: qobject.h:128
QDeclarativeEngine * engineForReader
int indexOfSignal(const char *signal) const
Finds signal and returns its index; otherwise returns -1.

◆ ~QDeclarativePixmapReply()

QDeclarativePixmapReply::~QDeclarativePixmapReply ( )

Definition at line 723 of file qdeclarativepixmapcache.cpp.

724 {
725 }

Functions

◆ downloadProgress

void QDeclarativePixmapReply::downloadProgress ( qint64  ,
qint64   
)
signal

◆ event()

bool QDeclarativePixmapReply::event ( QEvent e)
protectedvirtual

This virtual function receives events to an object and should return true if the event e was recognized and processed.

The event() function can be reimplemented to customize the behavior of an object.

See also
installEventFilter(), timerEvent(), QApplication::sendEvent(), QApplication::postEvent(), QWidget::event()

Reimplemented from QObject.

Definition at line 727 of file qdeclarativepixmapcache.cpp.

728 {
729  if (event->type() == QEvent::User) {
730 
731  if (data) {
732  Event *de = static_cast<Event *>(event);
734 
736  data->pixmap = QPixmap::fromImage(de->image);
737  data->implicitSize = de->implicitSize;
738  } else {
739  data->errorString = de->errorString;
740  data->removeFromCache(); // We don't continue to cache error'd pixmaps
741  }
742 
743  data->reply = 0;
744  emit finished();
745  }
746 
747  delete this;
748  return true;
749  } else {
750  return QObject::event(event);
751  }
752 }
QDeclarativePixmapData * data
static QPixmap fromImage(const QImage &image, Qt::ImageConversionFlags flags=Qt::AutoColor)
Converts the given image to a pixmap using the specified flags to control the conversion.
Definition: qpixmap.cpp:2197
virtual bool event(QEvent *)
This virtual function receives events to an object and should return true if the event e was recogniz...
Definition: qobject.cpp:1200
#define emit
Definition: qobjectdefs.h:76
QDeclarativePixmapReply * reply
bool event(QEvent *event)
This virtual function receives events to an object and should return true if the event e was recogniz...
QDeclarativePixmap::Status pixmapStatus

◆ finished

void QDeclarativePixmapReply::finished ( )
signal

Referenced by event().

◆ postReply()

void QDeclarativePixmapReply::postReply ( ReadError  error,
const QString errorString,
const QSize implicitSize,
const QImage image 
)

Definition at line 254 of file qdeclarativepixmapcache.cpp.

Referenced by QDeclarativePixmapReader::networkRequestDone(), and QDeclarativePixmapReader::processJob().

256 {
257  loading = false;
258  QCoreApplication::postEvent(this, new Event(error, errorString, implicitSize, image));
259 }
static void postEvent(QObject *receiver, QEvent *event)
Adds the event event, with the object receiver as the receiver of the event, to an event queue and re...
#define error(msg)

Properties

◆ data

QDeclarativePixmapData* QDeclarativePixmapReply::data

◆ downloadProgressIndex

int QDeclarativePixmapReply::downloadProgressIndex = -1
static

◆ engineForReader

QDeclarativeEngine* QDeclarativePixmapReply::engineForReader

◆ finishedIndex

int QDeclarativePixmapReply::finishedIndex = -1
static

◆ loading

bool QDeclarativePixmapReply::loading

◆ redirectCount

int QDeclarativePixmapReply::redirectCount

◆ requestSize

QSize QDeclarativePixmapReply::requestSize

◆ url

QUrl QDeclarativePixmapReply::url

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