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java.lang.Objectcom.trolltech.qt.QSignalEmitter
com.trolltech.qt.QtJambiObject
com.trolltech.qt.core.QEvent
com.trolltech.qt.gui.QPaintEvent
public class QPaintEvent
The QPaintEvent class contains event parameters for paint events.
Paint events are sent to widgets that need to update themselves, for instance when part of a widget is exposed because a covering widget was moved.
The event contains a region that needs to be updated, and a rect that is the bounding rectangle of that region. Both are provided because many widgets can't make much use of region, and rect can be much faster than region.boundingRect(). Painting is clipped to region during the processing of a paint event.
| Nested Class Summary |
|---|
| Nested classes/interfaces inherited from class com.trolltech.qt.core.QEvent |
|---|
QEvent.Type |
| Nested classes/interfaces inherited from class com.trolltech.qt.QSignalEmitter |
|---|
QSignalEmitter.Signal0, QSignalEmitter.Signal1<A>, QSignalEmitter.Signal2<A,B>, QSignalEmitter.Signal3<A,B,C>, QSignalEmitter.Signal4<A,B,C,D>, QSignalEmitter.Signal5<A,B,C,D,E>, QSignalEmitter.Signal6<A,B,C,D,E,F>, QSignalEmitter.Signal7<A,B,C,D,E,F,G>, QSignalEmitter.Signal8<A,B,C,D,E,F,G,H>, QSignalEmitter.Signal9<A,B,C,D,E,F,G,H,I> |
| Constructor Summary | |
|---|---|
QPaintEvent(QRect paintRect)
Constructs a paint event object with the rectangle that needs to be updated. |
|
QPaintEvent(QRegion paintRegion)
Constructs a paint event object with the region that needs to be updated. |
|
| Method Summary | |
|---|---|
static QPaintEvent |
fromNativePointer(QNativePointer nativePointer)
This function returns the QPaintEvent instance pointed to by nativePointer |
protected boolean |
m_erased()
This is a JambiDoclet generated javadoc comment for com.trolltech.qt.gui.QPaintEvent.m_erased. |
protected QRect |
m_rect()
This is a JambiDoclet generated javadoc comment for com.trolltech.qt.gui.QPaintEvent.m_rect. |
protected QRegion |
m_region()
This is a JambiDoclet generated javadoc comment for com.trolltech.qt.gui.QPaintEvent.m_region. |
QRect |
rect()
Returns the rectangle that needs to be updated. |
QRegion |
region()
Returns the region that needs to be updated. |
protected void |
setM_erased(boolean m_erased)
This is a JambiDoclet generated javadoc comment for com.trolltech.qt.gui.QPaintEvent.setM_erased. |
protected void |
setM_rect(QRect m_rect)
This is a JambiDoclet generated javadoc comment for com.trolltech.qt.gui.QPaintEvent.setM_rect. |
protected void |
setM_region(QRegion m_region)
This is a JambiDoclet generated javadoc comment for com.trolltech.qt.gui.QPaintEvent.setM_region. |
| Methods inherited from class com.trolltech.qt.core.QEvent |
|---|
accept, ignore, isAccepted, setAccepted, setT, spontaneous, t, type |
| Methods inherited from class com.trolltech.qt.QtJambiObject |
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dispose, disposed, finalize, reassignNativeResources, tr, tr, tr |
| Methods inherited from class com.trolltech.qt.QSignalEmitter |
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blockSignals, disconnect, disconnect, signalsBlocked, signalSender, thread |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface com.trolltech.qt.QtJambiInterface |
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disableGarbageCollection, nativeId, nativePointer, reenableGarbageCollection, setJavaOwnership |
| Constructor Detail |
|---|
public QPaintEvent(QRegion paintRegion)
Constructs a paint event object with the region that needs to be updated. The region is specified by paintRegion.
public QPaintEvent(QRect paintRect)
Constructs a paint event object with the rectangle that needs to be updated. The region is specified by paintRect.
| Method Detail |
|---|
public final QRect rect()
Returns the rectangle that needs to be updated.
public final QRegion region()
Returns the region that needs to be updated.
protected final void setM_rect(QRect m_rect)
protected final QRect m_rect()
protected final void setM_erased(boolean m_erased)
protected final boolean m_erased()
protected final void setM_region(QRegion m_region)
protected final QRegion m_region()
public static QPaintEvent fromNativePointer(QNativePointer nativePointer)
nativePointer - the QNativePointer of which object should be returned.
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