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java.lang.Objectcom.trolltech.qt.QSignalEmitter
com.trolltech.qt.QtJambiObject
com.trolltech.qt.gui.QWidgetItem
public class QWidgetItem
The QWidgetItem class is a layout item that represents a widget.
Normally, you don't need to use this class directly. Qt's built-in layout managers provide the following functions for manipulating widgets in layouts:
| Class | Functions |
|---|---|
| QBoxLayout | addWidget(), insertWidget(), setStretchFactor() |
| QGridLayout | addWidget() |
| QStackedLayout | addWidget(), insertWidget(), currentWidget(), setCurrentWidget(), widget() |
| Nested Class Summary |
|---|
| 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 | |
|---|---|
QWidgetItem(QWidget w)
Creates an item containing the given w. |
|
| Method Summary | |
|---|---|
Qt.Alignment |
alignment()
Returns the alignment of this item. |
QSizePolicy.ControlTypes |
controlTypes()
Returns the control type(s) for the layout item. |
Qt.Orientations |
expandingDirections()
This function is reimplemented for internal reasons. |
static QWidgetItem |
fromNativePointer(QNativePointer nativePointer)
This function returns the QWidgetItem instance pointed to by nativePointer |
QRect |
geometry()
This function is reimplemented for internal reasons. |
boolean |
hasHeightForWidth()
This function is reimplemented for internal reasons. |
int |
heightForWidth(int arg__1)
This function is reimplemented for internal reasons. |
void |
invalidate()
Invalidates any cached information in this layout item. |
boolean |
isEmpty()
Returns true if the widget is hidden; otherwise returns false. |
QLayout |
layout()
If this item is a QLayout, it is returned as a QLayout; otherwise 0 is returned. |
QSize |
maximumSize()
This function is reimplemented for internal reasons. |
int |
minimumHeightForWidth(int arg__1)
Returns the minimum height this widget needs for the given width, arg__1. |
QSize |
minimumSize()
This function is reimplemented for internal reasons. |
void |
setAlignment(Qt.Alignment a)
Sets the alignment of this item to a. |
void |
setGeometry(QRect arg__1)
This function is reimplemented for internal reasons. |
QSize |
sizeHint()
This function is reimplemented for internal reasons. |
QSpacerItem |
spacerItem()
If this item is a QSpacerItem, it is returned as a QSpacerItem; otherwise 0 is returned. |
QWidget |
widget()
Returns the widget managed by this item. |
| Methods inherited from class com.trolltech.qt.QtJambiObject |
|---|
dispose, disposed, finalize, reassignNativeResources, tr, tr, tr |
| Methods inherited from class com.trolltech.qt.QSignalEmitter |
|---|
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 |
|---|
disableGarbageCollection, nativeId, nativePointer, reenableGarbageCollection, setJavaOwnership |
| Constructor Detail |
|---|
public QWidgetItem(QWidget w)
Creates an item containing the given w.
| Method Detail |
|---|
public final Qt.Alignment alignment()
Returns the alignment of this item.
alignment in interface QLayoutItemInterfacepublic final QSizePolicy.ControlTypes controlTypes()
Returns the control type(s) for the layout item. For a QWidgetItem, the control type comes from the widget's size policy; for a QLayoutItem, the control types is derived from the layout's contents.
controlTypes in interface QLayoutItemInterfacepublic final void setAlignment(Qt.Alignment a)
Sets the alignment of this item to a.
Note: Item alignment is only supported by QLayoutItem subclasses where it would have a visual effect. Except for QSpacerItem, which provides blank space for layouts, all public Qt classes that inherit QLayoutItem support item alignment.
setAlignment in interface QLayoutItemInterfacepublic Qt.Orientations expandingDirections()
This function is reimplemented for internal reasons.
expandingDirections in interface QLayoutItemInterfacepublic QRect geometry()
This function is reimplemented for internal reasons.
geometry in interface QLayoutItemInterfacepublic boolean hasHeightForWidth()
This function is reimplemented for internal reasons.
hasHeightForWidth in interface QLayoutItemInterfacepublic int heightForWidth(int arg__1)
This function is reimplemented for internal reasons.
heightForWidth in interface QLayoutItemInterfacepublic void invalidate()
Invalidates any cached information in this layout item.
invalidate in interface QLayoutItemInterfacepublic boolean isEmpty()
Returns true if the widget is hidden; otherwise returns false.
isEmpty in interface QLayoutItemInterfacepublic QLayout layout()
If this item is a QLayout, it is returned as a QLayout; otherwise 0 is returned. This function provides type-safe casting.
layout in interface QLayoutItemInterfacepublic QSize maximumSize()
This function is reimplemented for internal reasons.
maximumSize in interface QLayoutItemInterfacepublic int minimumHeightForWidth(int arg__1)
Returns the minimum height this widget needs for the given width, arg__1. The default implementation simply returns heightForWidth(arg__1).
minimumHeightForWidth in interface QLayoutItemInterfacepublic QSize minimumSize()
This function is reimplemented for internal reasons.
minimumSize in interface QLayoutItemInterfacepublic void setGeometry(QRect arg__1)
This function is reimplemented for internal reasons.
setGeometry in interface QLayoutItemInterfacepublic QSize sizeHint()
This function is reimplemented for internal reasons.
sizeHint in interface QLayoutItemInterfacepublic QSpacerItem spacerItem()
If this item is a QSpacerItem, it is returned as a QSpacerItem; otherwise 0 is returned. This function provides type-safe casting.
spacerItem in interface QLayoutItemInterfacepublic QWidget widget()
Returns the widget managed by this item.
widget in interface QLayoutItemInterfacepublic static QWidgetItem fromNativePointer(QNativePointer nativePointer)
nativePointer - the QNativePointer of which object should be returned.
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