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java.lang.Objectcom.trolltech.qt.QSignalEmitter
com.trolltech.qt.QtJambiObject
com.trolltech.qt.core.QObject
com.trolltech.qt.gui.QTextObject
com.trolltech.qt.gui.QTextBlockGroup
public class QTextBlockGroup
The QTextBlockGroup class provides a container for text blocks within a QTextDocument.
Block groups can be used to organize blocks of text within a document. They maintain an up-to-date list of the text blocks that belong to them, even when text blocks are being edited.
Each group has a parent document which is specified when the group is constructed.
Text blocks can be inserted into a group with blockInserted, and removed with blockRemoved. If a block's format is changed, blockFormatChanged is called.
The list of blocks in the group is returned by blockList. Note that the blocks in the list are not necessarily adjacent elements in the document; for example, the top-level items in a multi-level list will be separated by the items in lower levels of the list.
Nested Class Summary |
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Nested classes/interfaces inherited from class com.trolltech.qt.QSignalEmitter |
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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 | |
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protected |
QTextBlockGroup(QTextDocument doc)
Creates a new new block group for the given doc. |
Method Summary | |
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protected void |
blockFormatChanged(QTextBlock block)
This function is called whenever the specified block of text is changed. |
protected void |
blockInserted(QTextBlock block)
Appends the given block to the end of the group. |
protected java.util.List<QTextBlock> |
blockList()
Returns a (possibly empty) list of all the blocks that are part of the block group. |
protected void |
blockRemoved(QTextBlock block)
Removes the given block from the group; the block itself is not deleted, it simply isn't a member of this group anymore. |
static QTextBlockGroup |
fromNativePointer(QNativePointer nativePointer)
This function returns the QTextBlockGroup instance pointed to by nativePointer |
Methods inherited from class com.trolltech.qt.gui.QTextObject |
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document, format, formatIndex, objectIndex, setFormat |
Methods inherited from class com.trolltech.qt.core.QObject |
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blockSignals, childEvent, children, connectSlotsByName, customEvent, disposeLater, dumpObjectInfo, dumpObjectTree, dynamicPropertyNames, event, eventFilter, findChild, findChild, findChild, findChildren, findChildren, findChildren, findChildren, installEventFilter, isWidgetType, killTimer, moveToThread, objectName, parent, property, removeEventFilter, setObjectName, setParent, setProperty, signalsBlocked, startTimer, thread, timerEvent |
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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disconnect, disconnect, signalSender |
Methods inherited from class java.lang.Object |
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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 |
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protected QTextBlockGroup(QTextDocument doc)
Creates a new new block group for the given doc.
Warning: This function should only be called from QTextDocument::createObject().
Method Detail |
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protected final java.util.List<QTextBlock> blockList()
Returns a (possibly empty) list of all the blocks that are part of the block group.
protected void blockFormatChanged(QTextBlock block)
This function is called whenever the specified block of text is changed. The text block is a member of this group.
The base class implementation does nothing.
protected void blockInserted(QTextBlock block)
Appends the given block to the end of the group.
Warning: If you reimplement this function you must call the base class implementation.
protected void blockRemoved(QTextBlock block)
Removes the given block from the group; the block itself is not deleted, it simply isn't a member of this group anymore.
public static QTextBlockGroup fromNativePointer(QNativePointer nativePointer)
nativePointer
- the QNativePointer of which object should be returned.
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