QTextCursor Class Reference

\reentrant \inmodule QtGui More...

#include <qtextcursor.h>

Collaboration diagram for QTextCursor:

Public Types
enum	MoveMode { MoveAnchor , KeepAnchor }
	\value MoveAnchor Moves the anchor to the same position as the cursor itself. More...
enum	MoveOperation {   NoMove , Start , Up , StartOfLine ,   StartOfBlock , StartOfWord , PreviousBlock , PreviousCharacter ,   PreviousWord , Left , WordLeft , End ,   Down , EndOfLine , EndOfWord , EndOfBlock ,   NextBlock , NextCharacter , NextWord , Right ,   WordRight , NextCell , PreviousCell , NextRow ,   PreviousRow }
	\value NoMove Keep the cursor where it is More...
enum	SelectionType { WordUnderCursor , LineUnderCursor , BlockUnderCursor , Document }
	This enum describes the types of selection that can be applied with the select() function. More...

Public Member Functions
	QTextCursor ()
	Constructs a null cursor.
	QTextCursor (QTextDocument *document)
	Constructs a cursor pointing to the beginning of the document.
	QTextCursor (QTextDocumentPrivate *p, int pos)
	QTextCursor (QTextCursorPrivate *d)
	QTextCursor (QTextFrame *frame)
	Constructs a cursor pointing to the beginning of the frame.
	QTextCursor (const QTextBlock &block)
	Constructs a cursor pointing to the beginning of the block.
	QTextCursor (const QTextCursor &cursor)
	Constructs a new cursor that is a copy of cursor.
QTextCursor &	operator= (const QTextCursor &other)
	Makes a copy of cursor and assigns it to this QTextCursor.
	~QTextCursor ()
	Destroys the QTextCursor.
void	swap (QTextCursor &other) noexcept
bool	isNull () const
	Returns true if the cursor is null; otherwise returns false.
void	setPosition (int pos, MoveMode mode=MoveAnchor)
	Moves the cursor to the absolute position in the document specified by pos using a MoveMode specified by m.
int	position () const
	Returns the absolute position of the cursor within the document.
int	positionInBlock () const
int	anchor () const
	Returns the anchor position; this is the same as position() unless there is a selection in which case position() marks one end of the selection and anchor() marks the other end.
void	insertText (const QString &text)
	Inserts text at the current position, using the current character format.
void	insertText (const QString &text, const QTextCharFormat &format)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Inserts text at the current position with the given format.
bool	movePosition (MoveOperation op, MoveMode=MoveAnchor, int n=1)
	Moves the cursor by performing the given operation n times, using the specified mode, and returns true if all operations were completed successfully; otherwise returns false.
bool	visualNavigation () const
void	setVisualNavigation (bool b)
void	setVerticalMovementX (int x)
int	verticalMovementX () const
void	setKeepPositionOnInsert (bool b)
bool	keepPositionOnInsert () const
void	deleteChar ()
	If there is no selected text, deletes the character at the current cursor position; otherwise deletes the selected text.
void	deletePreviousChar ()
	If there is no selected text, deletes the character before the current cursor position; otherwise deletes the selected text.
void	select (SelectionType selection)
	Selects text in the document according to the given selection.
bool	hasSelection () const
	Returns true if the cursor contains a selection; otherwise returns false.
bool	hasComplexSelection () const
	Returns true if the cursor contains a selection that is not simply a range from selectionStart() to selectionEnd(); otherwise returns false.
void	removeSelectedText ()
	If there is a selection, its content is deleted; otherwise does nothing.
void	clearSelection ()
	Clears the current selection by setting the anchor to the cursor position.
int	selectionStart () const
	Returns the start of the selection or position() if the cursor doesn't have a selection.
int	selectionEnd () const
	Returns the end of the selection or position() if the cursor doesn't have a selection.
QString	selectedText () const
	Returns the current selection's text (which may be empty).
QTextDocumentFragment	selection () const
	Returns the current selection (which may be empty) with all its formatting information.
void	selectedTableCells (int *firstRow, int *numRows, int *firstColumn, int *numColumns) const
	If the selection spans over table cells, firstRow is populated with the number of the first row in the selection, firstColumn with the number of the first column in the selection, and numRows and numColumns with the number of rows and columns in the selection.
QTextBlock	block () const
	Returns the block that contains the cursor.
QTextCharFormat	charFormat () const
	Returns the format of the character immediately before the cursor position().
void	setCharFormat (const QTextCharFormat &format)
	Sets the cursor's current character format to the given format.
void	mergeCharFormat (const QTextCharFormat &modifier)
	Merges the cursor's current character format with the properties described by format modifier.
QTextBlockFormat	blockFormat () const
	Returns the block format of the block the cursor is in.
void	setBlockFormat (const QTextBlockFormat &format)
	Sets the block format of the current block (or all blocks that are contained in the selection) to format.
void	mergeBlockFormat (const QTextBlockFormat &modifier)
	Modifies the block format of the current block (or all blocks that are contained in the selection) with the block format specified by modifier.
QTextCharFormat	blockCharFormat () const
	Returns the block character format of the block the cursor is in.
void	setBlockCharFormat (const QTextCharFormat &format)
	Sets the block char format of the current block (or all blocks that are contained in the selection) to format.
void	mergeBlockCharFormat (const QTextCharFormat &modifier)
	Modifies the block char format of the current block (or all blocks that are contained in the selection) with the block format specified by modifier.
bool	atBlockStart () const
	Returns true if the cursor is at the start of a block; otherwise returns false.
bool	atBlockEnd () const
	Returns true if the cursor is at the end of a block; otherwise returns false.
bool	atStart () const
	Returns true if the cursor is at the start of the document; otherwise returns false.
bool	atEnd () const
void	insertBlock ()
	Inserts a new empty block at the cursor position() with the current blockFormat() and charFormat().
void	insertBlock (const QTextBlockFormat &format)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Inserts a new empty block at the cursor position() with block format format and the current charFormat() as block char format.
void	insertBlock (const QTextBlockFormat &format, const QTextCharFormat &charFormat)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Inserts a new empty block at the cursor position() with block format format and charFormat as block char format.
QTextList *	insertList (const QTextListFormat &format)
	Inserts a new block at the current position and makes it the first list item of a newly created list with the given format.
QTextList *	insertList (QTextListFormat::Style style)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Inserts a new block at the current position and makes it the first list item of a newly created list with the given style.
QTextList *	createList (const QTextListFormat &format)
	Creates and returns a new list with the given format, and makes the current paragraph the cursor is in the first list item.
QTextList *	createList (QTextListFormat::Style style)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Creates and returns a new list with the given style, making the cursor's current paragraph the first list item.
QTextList *	currentList () const
	Returns the current list if the cursor position() is inside a block that is part of a list; otherwise returns \nullptr.
QTextTable *	insertTable (int rows, int cols, const QTextTableFormat &format)
	Creates a new table with the given number of rows and columns in the specified format, inserts it at the current cursor position() in the document, and returns the table object.
QTextTable *	insertTable (int rows, int cols)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Creates a new table with the given number of rows and columns, inserts it at the current cursor position() in the document, and returns the table object.
QTextTable *	currentTable () const
	Returns a pointer to the current table if the cursor position() is inside a block that is part of a table; otherwise returns \nullptr.
QTextFrame *	insertFrame (const QTextFrameFormat &format)
	Inserts a frame with the given format at the current cursor position(), moves the cursor position() inside the frame, and returns the frame.
QTextFrame *	currentFrame () const
	Returns a pointer to the current frame.
void	insertFragment (const QTextDocumentFragment &fragment)
	Inserts the text fragment at the current position().
void	insertHtml (const QString &html)
void	insertImage (const QTextImageFormat &format, QTextFrameFormat::Position alignment)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
void	insertImage (const QTextImageFormat &format)
	Inserts the image defined by format at the current position().
void	insertImage (const QString &name)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Convenience method for inserting the image with the given name at the current position().
void	insertImage (const QImage &image, const QString &name=QString())
void	beginEditBlock ()
	Indicates the start of a block of editing operations on the document that should appear as a single operation from an undo/redo point of view.
void	joinPreviousEditBlock ()
	Like beginEditBlock() indicates the start of a block of editing operations that should appear as a single operation for undo/redo.
void	endEditBlock ()
	Indicates the end of a block of editing operations on the document that should appear as a single operation from an undo/redo point of view.
bool	operator!= (const QTextCursor &rhs) const
	Returns true if the other cursor is at a different position in the document as this cursor; otherwise returns false.
bool	operator< (const QTextCursor &rhs) const
	Returns true if the other cursor is positioned later in the document than this cursor; otherwise returns false.
bool	operator<= (const QTextCursor &rhs) const
	Returns true if the other cursor is positioned later or at the same position in the document as this cursor; otherwise returns false.
bool	operator== (const QTextCursor &rhs) const
	Returns true if the other cursor is at the same position in the document as this cursor; otherwise returns false.
bool	operator>= (const QTextCursor &rhs) const
	Returns true if the other cursor is positioned earlier or at the same position in the document as this cursor; otherwise returns false.
bool	operator> (const QTextCursor &rhs) const
	Returns true if the other cursor is positioned earlier in the document than this cursor; otherwise returns false.
bool	isCopyOf (const QTextCursor &other) const
	Returns true if this cursor and other are copies of each other, i.e.
int	blockNumber () const
int	columnNumber () const
QTextDocument *	document () const

Friends
class	QTextCursorPrivate
class	QTextDocumentPrivate
class	QTextDocumentFragmentPrivate
class	QTextCopyHelper
class	QWidgetTextControlPrivate

Detailed Description

\reentrant \inmodule QtGui

The QTextCursor class offers an API to access and modify QTextDocuments.

Text cursors are objects that are used to access and modify the contents and underlying structure of text documents via a programming interface that mimics the behavior of a cursor in a text editor. QTextCursor contains information about both the cursor's position within a QTextDocument and any selection that it has made.

QTextCursor is modeled on the way a text cursor behaves in a text editor, providing a programmatic means of performing standard actions through the user interface. A document can be thought of as a single string of characters. The cursor's current position() then is always either between two consecutive characters in the string, or else before the very first character or after the very last character in the string. Documents can also contain tables, lists, images, and other objects in addition to text but, from the developer's point of view, the document can be treated as one long string. Some portions of that string can be considered to lie within particular blocks (e.g. paragraphs), or within a table's cell, or a list's item, or other structural elements. When we refer to "current character" we mean the character immediately before the cursor position() in the document. Similarly, the "current block" is the block that contains the cursor position().

A QTextCursor also has an anchor() position. The text that is between the anchor() and the position() is the selection. If anchor() == position() there is no selection.

The cursor position can be changed programmatically using setPosition() and movePosition(); the latter can also be used to select text. For selections see selectionStart(), selectionEnd(), hasSelection(), clearSelection(), and removeSelectedText().

If the position() is at the start of a block, atBlockStart() returns true; and if it is at the end of a block, atBlockEnd() returns true. The format of the current character is returned by charFormat(), and the format of the current block is returned by blockFormat().

Formatting can be applied to the current text document using the setCharFormat(), mergeCharFormat(), setBlockFormat() and mergeBlockFormat() functions. The 'set' functions will replace the cursor's current character or block format, while the 'merge' functions add the given format properties to the cursor's current format. If the cursor has a selection, the given format is applied to the current selection. Note that when only a part of a block is selected, the block format is applied to the entire block. The text at the current character position can be turned into a list using createList().

Deletions can be achieved using deleteChar(), deletePreviousChar(), and removeSelectedText().

Text strings can be inserted into the document with the insertText() function, blocks (representing new paragraphs) can be inserted with insertBlock().

Existing fragments of text can be inserted with insertFragment() but, if you want to insert pieces of text in various formats, it is usually still easier to use insertText() and supply a character format.

Various types of higher-level structure can also be inserted into the document with the cursor:

\list

• Lists are ordered sequences of block elements that are decorated with bullet points or symbols. These are inserted in a specified format with insertList().
• Tables are inserted with the insertTable() function, and can be given an optional format. These contain an array of cells that can be traversed using the cursor.
• Inline images are inserted with insertImage(). The image to be used can be specified in an image format, or by name.
• Frames are inserted by calling insertFrame() with a specified format. \endlist

Actions can be grouped (i.e. treated as a single action for undo/redo) using beginEditBlock() and endEditBlock().

Cursor movements are limited to valid cursor positions. In Latin writing this is between any two consecutive characters in the text, before the first character, or after the last character. In some other writing systems cursor movements are limited to "clusters" (e.g. a syllable in Devanagari, or a base letter plus diacritics). Functions such as movePosition() and deleteChar() limit cursor movement to these valid positions.

See also

{Rich Text Processing}

Definition at line 29 of file qtextcursor.h.

Member Enumeration Documentation

MoveMode

enum QTextCursor::MoveMode

\value MoveAnchor Moves the anchor to the same position as the cursor itself.

\value KeepAnchor Keeps the anchor where it is.

If the anchor() is kept where it is and the position() is moved, the text in between will be selected.

Enumerator
MoveAnchor
KeepAnchor

Definition at line 47 of file qtextcursor.h.

MoveOperation

enum QTextCursor::MoveOperation

\value NoMove Keep the cursor where it is

\value Start Move to the start of the document. \value StartOfLine Move to the start of the current line. \value StartOfBlock Move to the start of the current block. \value StartOfWord Move to the start of the current word. \value PreviousBlock Move to the start of the previous block. \value PreviousCharacter Move to the previous character. \value PreviousWord Move to the beginning of the previous word. \value Up Move up one line. \value Left Move left one character. \value WordLeft Move left one word.

\value End Move to the end of the document. \value EndOfLine Move to the end of the current line. \value EndOfWord Move to the end of the current word. \value EndOfBlock Move to the end of the current block. \value NextBlock Move to the beginning of the next block. \value NextCharacter Move to the next character. \value NextWord Move to the next word. \value Down Move down one line. \value Right Move right one character. \value WordRight Move right one word.

\value NextCell Move to the beginning of the next table cell inside the current table. If the current cell is the last cell in the row, the cursor will move to the first cell in the next row. \value PreviousCell Move to the beginning of the previous table cell inside the current table. If the current cell is the first cell in the row, the cursor will move to the last cell in the previous row. \value NextRow Move to the first new cell of the next row in the current table. \value PreviousRow Move to the last cell of the previous row in the current table.

See also

movePosition()

Enumerator
NoMove
Start
Up
StartOfLine
StartOfBlock
StartOfWord
PreviousBlock
PreviousCharacter
PreviousWord
Left
WordLeft
End
Down
EndOfLine
EndOfWord
EndOfBlock
NextBlock
NextCharacter
NextWord
Right
WordRight
NextCell
PreviousCell
NextRow
PreviousRow

Definition at line 61 of file qtextcursor.h.

SelectionType

enum QTextCursor::SelectionType

This enum describes the types of selection that can be applied with the select() function.

\value Document Selects the entire document. \value BlockUnderCursor Selects the block of text under the cursor. \value LineUnderCursor Selects the line of text under the cursor. \value WordUnderCursor Selects the word under the cursor. If the cursor is not positioned within a string of selectable characters, no text is selected.

Enumerator
WordUnderCursor
LineUnderCursor
BlockUnderCursor
Document

Definition at line 106 of file qtextcursor.h.

Constructor & Destructor Documentation

QTextCursor() [1/7]

QTextCursor::QTextCursor

(

)

Constructs a null cursor.

Definition at line 1010 of file qtextcursor.cpp.

QTextCursor() [2/7]

QTextCursor::QTextCursor ( QTextDocument *  document )

explicit

Constructs a cursor pointing to the beginning of the document.

Definition at line 1018 of file qtextcursor.cpp.

QTextCursor() [3/7]

QTextCursor::QTextCursor	(	QTextDocumentPrivate *	p,
		int	pos
	)

Definition at line 1046 of file qtextcursor.cpp.

References QTextCursorPrivate::adjusted_anchor, QTextCursorPrivate::anchor, pos, QTextCursorPrivate::position, and QTextCursorPrivate::setX().

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QTextCursor() [4/7]

QTextCursor::QTextCursor ( QTextCursorPrivate *  d )

explicit

Definition at line 1057 of file qtextcursor.cpp.

References d, and Q_ASSERT.

QTextCursor() [5/7]

QTextCursor::QTextCursor ( QTextFrame *  frame )

explicit

Constructs a cursor pointing to the beginning of the frame.

Definition at line 1026 of file qtextcursor.cpp.

References QTextCursorPrivate::adjusted_anchor, QTextCursorPrivate::anchor, frame, and QTextCursorPrivate::position.

QTextCursor() [6/7]

QTextCursor::QTextCursor ( const QTextBlock &  block )

explicit

Constructs a cursor pointing to the beginning of the block.

Definition at line 1036 of file qtextcursor.cpp.

References QTextCursorPrivate::adjusted_anchor, QTextCursorPrivate::anchor, block(), QTextCursorPrivate::position, and QTextBlock::position().

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QTextCursor() [7/7]

QTextCursor::QTextCursor

(

const QTextCursor &

cursor

)

Constructs a new cursor that is a copy of cursor.

Definition at line 1066 of file qtextcursor.cpp.

References cursor.

~QTextCursor()

QTextCursor::~QTextCursor

(

)

Destroys the QTextCursor.

Definition at line 1094 of file qtextcursor.cpp.

Member Function Documentation

anchor()

int QTextCursor::anchor

(

)

const

Returns the anchor position; this is the same as position() unless there is a selection in which case position() marks one end of the selection and anchor() marks the other end.

Just like the cursor position, the anchor position is between characters.

See also

position(), setPosition(), movePosition(), selectionStart(), selectionEnd()

Definition at line 1199 of file qtextcursor.cpp.

References QTextCursorPrivate::anchor, and QTextCursorPrivate::priv.

Referenced by QWidgetTextControlPrivate::cursorMoveKeyEvent(), QQuickTextControlPrivate::cursorMoveKeyEvent(), QWidgetTextControlPrivate::repaintOldAndNewSelection(), QQuickTextControlPrivate::repaintOldAndNewSelection(), QWidgetTextControlPrivate::selectionChanged(), and setPosition().

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atBlockEnd()

bool QTextCursor::atBlockEnd

(

)

const

Returns true if the cursor is at the end of a block; otherwise returns false.

See also

atBlockStart(), atEnd()

Definition at line 1953 of file qtextcursor.cpp.

References QTextCursorPrivate::block(), QTextBlock::length(), QTextCursorPrivate::position, QTextBlock::position(), and QTextCursorPrivate::priv.

Referenced by QWidgetTextControlPrivate::keyPressEvent(), and QQuickTextControlPrivate::keyPressEvent().

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atBlockStart()

bool QTextCursor::atBlockStart

(

)

const

Returns true if the cursor is at the start of a block; otherwise returns false.

See also

atBlockEnd(), atStart()

Definition at line 1939 of file qtextcursor.cpp.

References QTextCursorPrivate::block(), QTextCursorPrivate::position, QTextBlock::position(), and QTextCursorPrivate::priv.

Referenced by QWidgetTextControlPrivate::keyPressEvent(), and QQuickTextControlPrivate::keyPressEvent().

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atEnd()

bool QTextCursor::atEnd

(

)

const

Since

4.6

Returns true if the cursor is at the end of the document; otherwise returns false.

See also

atStart(), atBlockEnd()

Definition at line 1983 of file qtextcursor.cpp.

References QTextDocumentPrivate::length(), QTextCursorPrivate::position, and QTextCursorPrivate::priv.

Referenced by main().

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atStart()

bool QTextCursor::atStart

(

)

const

Returns true if the cursor is at the start of the document; otherwise returns false.

See also

atBlockStart(), atEnd()

Definition at line 1967 of file qtextcursor.cpp.

References QTextCursorPrivate::position, and QTextCursorPrivate::priv.

beginEditBlock()

void QTextCursor::beginEditBlock

(

)

Indicates the start of a block of editing operations on the document that should appear as a single operation from an undo/redo point of view.

For example:

QTextCursor cursor(textDocument);
cursor.beginEditBlock();
cursor.insertText("Hello");
cursor.insertText("World");
cursor.endEditBlock();
 
textDocument->undo();

The call to undo() will cause both insertions to be undone, causing both "World" and "Hello" to be removed.

It is possible to nest calls to beginEditBlock and endEditBlock. The top-most pair will determine the scope of the undo/redo operation.

See also

endEditBlock()

Definition at line 2475 of file qtextcursor.cpp.

References QTextDocumentPrivate::beginEditBlock(), QTextCursorPrivate::position, and QTextCursorPrivate::priv.

Referenced by QWidgetTextControlPrivate::append(), QWidgetTextControlPrivate::commitPreedit(), QWidgetTextControlPrivate::createAutoBulletList(), QWidgetTextControlPrivate::dropEvent(), QTextHtmlImporter::import(), QTextMarkdownImporter::import(), QWidgetTextControlPrivate::inputMethodEvent(), QQuickTextControlPrivate::setContent(), and QWidgetTextControlPrivate::setContent().

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block()

QTextBlock QTextCursor::block

(

)

const

Returns the block that contains the cursor.

Definition at line 1757 of file qtextcursor.cpp.

References QTextCursorPrivate::block(), and QTextCursorPrivate::priv.

Referenced by QTextCursor(), QWidgetTextControlPrivate::activateLinkUnderCursor(), QQuickTextControlPrivate::activateLinkUnderCursor(), QQuickTextNode::addTextDocument(), charFormat(), columnNumber(), QWidgetTextControlPrivate::commitPreedit(), QWidgetTextControlPrivate::cursorMoveKeyEvent(), QQuickTextControlPrivate::cursorMoveKeyEvent(), QQuickTextEditPrivate::determineHorizontalAlignment(), QWidgetTextControlPrivate::extendWordwiseSelection(), QQuickTextControlPrivate::extendWordwiseSelection(), QWidgetTextControlPrivate::indent(), QWidgetTextControlPrivate::inputMethodEvent(), QWidgetTextControl::inputMethodQuery(), QWidgetTextControlPrivate::insertParagraphSeparator(), QWidgetTextControlPrivate::isPreediting(), QWidgetTextControlPrivate::keyPressEvent(), QQuickTextControlPrivate::keyPressEvent(), QTextTable::mergeCells(), select(), QWidgetTextControlPrivate::sendMouseEventToInputContext(), QQuickTextControlPrivate::sendMouseEventToInputContext(), and QQuickTextEdit::updatePaintNode().

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blockCharFormat()

QTextCharFormat QTextCursor::blockCharFormat

(

)

const

Returns the block character format of the block the cursor is in.

The block char format is the format used when inserting text at the beginning of an empty block.

See also

setBlockCharFormat()

Definition at line 1814 of file qtextcursor.cpp.

References QTextCursorPrivate::block(), QTextBlock::charFormat(), and QTextCursorPrivate::priv.

Referenced by QTextDocument::clone().

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blockFormat()

QTextBlockFormat QTextCursor::blockFormat

(

)

const

Returns the block format of the block the cursor is in.

See also

setBlockFormat(), charFormat()

Definition at line 1769 of file qtextcursor.cpp.

References QTextCursorPrivate::block(), QTextBlock::blockFormat(), and QTextCursorPrivate::priv.

Referenced by QWidgetTextControlPrivate::append(), QTextMarkdownImporter::cbEnterBlock(), QTextMarkdownImporter::cbText(), QTextDocument::clone(), QWidgetTextControlPrivate::createAutoBulletList(), currentList(), QTextHtmlImporter::import(), QWidgetTextControlPrivate::indent(), insertBlock(), QWidgetTextControlPrivate::insertParagraphSeparator(), insertText(), QWidgetTextControlPrivate::keyPressEvent(), QQuickTextControlPrivate::keyPressEvent(), and QWidgetTextControlPrivate::outdent().

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blockNumber()

int QTextCursor::blockNumber

(

)

const

Since

4.2 Returns the number of the block the cursor is in, or 0 if the cursor is invalid.

Note that this function only makes sense in documents without complex objects such as tables or frames.

Definition at line 2543 of file qtextcursor.cpp.

References QTextCursorPrivate::block(), QTextBlock::blockNumber(), and QTextCursorPrivate::priv.

Referenced by QWidgetTextControl::inputMethodQuery().

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charFormat()

QTextCharFormat QTextCursor::charFormat

(

)

const

Returns the format of the character immediately before the cursor position().

If the cursor is positioned at the beginning of a text block that is not empty then the format of the character immediately after the cursor is returned.

See also

insertText(), blockFormat()

Definition at line 1859 of file qtextcursor.cpp.

References block(), QTextCursorPrivate::block(), QTextDocumentPrivate::blockCharFormatIndex(), QTextDocumentPrivate::blockMap(), QTextFormatCollection::charFormat(), QTextFormat::clearProperty(), QTextCursorPrivate::currentCharFormat, QTextDocumentPrivate::find(), QFragmentMap< Fragment >::firstNode(), QTextDocumentPrivate::formatCollection(), QTextCharFormat::isValid(), it, QTextBlock::length(), QTextFormat::ObjectIndex, pos, QTextCursorPrivate::position, QTextBlock::position(), priv(), QTextCursorPrivate::priv, and Q_ASSERT.

Referenced by QWidgetTextControlPrivate::activateLinkUnderCursor(), QQuickTextControlPrivate::activateLinkUnderCursor(), QWidgetTextControlPrivate::anchorForCursor(), QWidgetTextControlPrivate::append(), QWidgetTextControlPrivate::inputMethodEvent(), QTextDocumentFragmentPrivate::insert(), insertBlock(), insertBlock(), QWidgetTextControlPrivate::insertParagraphSeparator(), insertText(), main(), mergeCharFormat(), QQuickTextControlPrivate::setContent(), QWidgetTextControlPrivate::setContent(), QWidgetTextControlPrivate::updateCurrentCharFormat(), and QQuickTextControlPrivate::updateCurrentCharFormat().

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clearSelection()

void QTextCursor::clearSelection

(

)

Clears the current selection by setting the anchor to the cursor position.

Note that it does {not} delete the text of the selection.

See also

removeSelectedText(), hasSelection()

Definition at line 1622 of file qtextcursor.cpp.

References QTextCursorPrivate::adjusted_anchor, QTextCursorPrivate::anchor, QTextCursorPrivate::currentCharFormat, and QTextCursorPrivate::position.

Referenced by QWidgetTextControlPrivate::activateLinkUnderCursor(), QQuickTextControlPrivate::activateLinkUnderCursor(), QWidgetTextControlPrivate::focusEvent(), QQuickTextControlPrivate::focusEvent(), QWidgetTextControlPrivate::mousePressEvent(), QQuickTextControlPrivate::mousePressEvent(), QWidgetTextControlPrivate::mouseReleaseEvent(), and select().

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columnNumber()

int QTextCursor::columnNumber

(

)

const

Since

4.2 Returns the position of the cursor within its containing line.

Note that this is the column number relative to a wrapped line, not relative to the block (i.e. the paragraph).

You probably want to call positionInBlock() instead.

See also

positionInBlock()

Definition at line 2563 of file qtextcursor.cpp.

References block(), QTextCursorPrivate::block(), QTextCursorPrivate::blockLayout(), QTextBlock::isValid(), layout, line, QTextCursorPrivate::position, QTextBlock::position(), and QTextCursorPrivate::priv.

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createList() [1/2]

QTextList * QTextCursor::createList

(

const QTextListFormat &

format

)

Creates and returns a new list with the given format, and makes the current paragraph the cursor is in the first list item.

See also

insertList(), currentList()

Definition at line 2075 of file qtextcursor.cpp.

References QTextDocumentPrivate::createObject(), list, mergeBlockFormat(), QTextCursorPrivate::priv, and QTextFormat::setObjectIndex().

Referenced by QTextMarkdownImporter::cbLeaveBlock(), QWidgetTextControlPrivate::createAutoBulletList(), createList(), QWidgetTextControlPrivate::indent(), insertList(), and insertList().

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createList() [2/2]

QTextList * QTextCursor::createList

(

QTextListFormat::Style

style

)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Creates and returns a new list with the given style, making the cursor's current paragraph the first list item.

The style to be used is defined by the QTextListFormat::Style enum.

See also

insertList(), currentList()

Definition at line 2097 of file qtextcursor.cpp.

References createList(), and fmt.

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currentFrame()

QTextFrame * QTextCursor::currentFrame

(

)

const

Returns a pointer to the current frame.

Returns \nullptr if the cursor is invalid.

See also

insertFrame()

Definition at line 2207 of file qtextcursor.cpp.

References QTextDocumentPrivate::frameAt(), QTextCursorPrivate::position, and QTextCursorPrivate::priv.

Referenced by QWidgetTextControlPrivate::repaintOldAndNewSelection(), and QQuickTextControlPrivate::repaintOldAndNewSelection().

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currentList()

QTextList * QTextCursor::currentList

(

)

const

Returns the current list if the cursor position() is inside a block that is part of a list; otherwise returns \nullptr.

See also

insertList(), createList()

Definition at line 2110 of file qtextcursor.cpp.

References blockFormat(), o, QTextDocumentPrivate::objectForFormat(), and QTextCursorPrivate::priv.

Referenced by QTextMarkdownImporter::cbText(), QWidgetTextControlPrivate::indent(), QWidgetTextControlPrivate::insertParagraphSeparator(), QWidgetTextControlPrivate::keyPressEvent(), QQuickTextControlPrivate::keyPressEvent(), and QWidgetTextControlPrivate::outdent().

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currentTable()

QTextTable * QTextCursor::currentTable

(

)

const

Returns a pointer to the current table if the cursor position() is inside a block that is part of a table; otherwise returns \nullptr.

See also

insertTable()

Definition at line 2170 of file qtextcursor.cpp.

References frame, QTextDocumentPrivate::frameAt(), QTextCursorPrivate::position, and QTextCursorPrivate::priv.

Referenced by QTextCopyHelper::copy(), QWidgetTextControlPrivate::gotoNextTableCell(), and QWidgetTextControlPrivate::gotoPreviousTableCell().

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deleteChar()

void QTextCursor::deleteChar

(

)

If there is no selected text, deletes the character at the current cursor position; otherwise deletes the selected text.

See also

deletePreviousChar(), hasSelection(), clearSelection()

Definition at line 1475 of file qtextcursor.cpp.

References QTextCursorPrivate::adjusted_anchor, QTextCursorPrivate::anchor, QTextCursorPrivate::canDelete(), QTextDocumentPrivate::nextCursorPosition(), QTextCursorPrivate::position, QTextCursorPrivate::priv, QTextCursorPrivate::remove(), removeSelectedText(), QTextCursorPrivate::setX(), and QTextLayout::SkipCharacters.

Referenced by QWidgetTextControlPrivate::keyPressEvent(), and QQuickTextControlPrivate::keyPressEvent().

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deletePreviousChar()

void QTextCursor::deletePreviousChar

(

)

If there is no selected text, deletes the character before the current cursor position; otherwise deletes the selected text.

See also

deleteChar(), hasSelection(), clearSelection()

Definition at line 1499 of file qtextcursor.cpp.

References QTextCursorPrivate::adjusted_anchor, QTextCursorPrivate::anchor, QString::at(), QTextDocumentPrivate::buffer(), QTextCursorPrivate::canDelete(), QTextDocumentPrivate::find(), QChar::isHighSurrogate(), QChar::isLowSurrogate(), QTextCursorPrivate::position, QTextCursorPrivate::priv, QTextCursorPrivate::remove(), removeSelectedText(), QTextCursorPrivate::setX(), and QTextFragmentData::stringPosition.

Referenced by QWidgetTextControlPrivate::keyPressEvent(), and QQuickTextControlPrivate::keyPressEvent().

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document()

QTextDocument * QTextCursor::document

(

)

const

Since

4.5 Returns the document this cursor is associated with.

Definition at line 2589 of file qtextcursor.cpp.

References QTextDocumentPrivate::document(), and QTextCursorPrivate::priv.

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endEditBlock()

void QTextCursor::endEditBlock

(

)

Indicates the end of a block of editing operations on the document that should appear as a single operation from an undo/redo point of view.

See also

beginEditBlock()

Definition at line 2516 of file qtextcursor.cpp.

References QTextDocumentPrivate::endEditBlock(), and QTextCursorPrivate::priv.

Referenced by QWidgetTextControlPrivate::append(), QWidgetTextControlPrivate::commitPreedit(), QWidgetTextControlPrivate::createAutoBulletList(), QWidgetTextControlPrivate::dropEvent(), QTextHtmlImporter::import(), QTextMarkdownImporter::import(), QWidgetTextControlPrivate::inputMethodEvent(), QQuickTextControlPrivate::setContent(), and QWidgetTextControlPrivate::setContent().

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hasComplexSelection()

bool QTextCursor::hasComplexSelection

(

)

const

Returns true if the cursor contains a selection that is not simply a range from selectionStart() to selectionEnd(); otherwise returns false.

Complex selections are ones that span at least two cells in a table; their extent is specified by selectedTableCells().

Definition at line 1585 of file qtextcursor.cpp.

References QTextCursorPrivate::complexSelectionTable().

Referenced by QTextCopyHelper::copy(), QWidgetTextControlPrivate::repaintOldAndNewSelection(), and QQuickTextControlPrivate::repaintOldAndNewSelection().

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hasSelection()

bool QTextCursor::hasSelection

(

)

const

Returns true if the cursor contains a selection; otherwise returns false.

Definition at line 1572 of file qtextcursor.cpp.

References QTextCursorPrivate::anchor, and QTextCursorPrivate::position.

Referenced by QTextDocumentFragmentPrivate::QTextDocumentFragmentPrivate(), QWidgetTextControlPrivate::_q_deleteSelected(), QWidgetTextControlPrivate::activateLinkUnderCursor(), QQuickTextControlPrivate::activateLinkUnderCursor(), QWidgetTextControlPrivate::anchorForCursor(), QWidgetTextControlPrivate::append(), QWidgetTextControlPrivate::focusEvent(), QQuickTextControlPrivate::focusEvent(), QQuickTextEditPrivate::handleFocusEvent(), QWidgetTextControlPrivate::keyPressEvent(), QQuickTextControlPrivate::keyPressEvent(), QWidgetTextControlPrivate::mouseMoveEvent(), QQuickTextControlPrivate::mouseMoveEvent(), QWidgetTextControlPrivate::mousePressEvent(), QQuickTextControlPrivate::mousePressEvent(), QWidgetTextControlPrivate::mouseReleaseEvent(), QQuickTextControlPrivate::mouseReleaseEvent(), QWidgetTextControlPrivate::repaintOldAndNewSelection(), QQuickTextControlPrivate::repaintOldAndNewSelection(), QWidgetTextControlPrivate::selectionChanged(), QQuickTextControlPrivate::selectionChanged(), and QWidgetTextControlPrivate::setClipboardSelection().

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insertBlock() [1/3]

void QTextCursor::insertBlock

(

)

Inserts a new empty block at the cursor position() with the current blockFormat() and charFormat().

See also

setBlockFormat()

Definition at line 1997 of file qtextcursor.cpp.

References blockFormat(), and insertBlock().

Referenced by QWidgetTextControlPrivate::append(), QTextMarkdownImporter::cbEnterBlock(), insertBlock(), insertBlock(), insertList(), insertList(), QWidgetTextControlPrivate::insertParagraphSeparator(), QQuickTextControlPrivate::keyPressEvent(), and QTextTable::mergeCells().

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insertBlock() [2/3]

void QTextCursor::insertBlock

(

const QTextBlockFormat &

format

)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Inserts a new empty block at the cursor position() with block format format and the current charFormat() as block char format.

See also

setBlockFormat()

Definition at line 2010 of file qtextcursor.cpp.

References charFormat(), QTextFormat::clearProperty(), insertBlock(), and QTextFormat::ObjectType.

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insertBlock() [3/3]

void QTextCursor::insertBlock	(	const QTextBlockFormat &	format,
		const QTextCharFormat &	charFormat
	)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Inserts a new empty block at the cursor position() with block format format and charFormat as block char format.

See also

setBlockFormat()

Definition at line 2026 of file qtextcursor.cpp.

References QTextDocumentPrivate::beginEditBlock(), charFormat(), QTextFormat::clearProperty(), QTextDocumentPrivate::endEditBlock(), QTextCursorPrivate::insertBlock(), QTextFormat::ObjectIndex, QTextCursorPrivate::priv, QTextCursorPrivate::remove(), and QTextCursorPrivate::setX().

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insertFragment()

void QTextCursor::insertFragment

(

const QTextDocumentFragment &

fragment

)

Inserts the text fragment at the current position().

Definition at line 2219 of file qtextcursor.cpp.

References QTextDocumentPrivate::beginEditBlock(), QTextDocumentFragmentPrivate::doc, QTextDocumentPrivate::endEditBlock(), QTextDocumentPrivate::get(), QTextDocumentFragmentPrivate::insert(), QTextDocumentFragment::isEmpty(), QTextDocumentPrivate::mergeCachedResources(), QTextCursorPrivate::priv, QTextCursorPrivate::remove(), and QTextCursorPrivate::setX().

Referenced by QTextDocument::clone(), insertHtml(), and QWidgetTextControl::print().

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insertFrame()

QTextFrame * QTextCursor::insertFrame

(

const QTextFrameFormat &

format

)

Inserts a frame with the given format at the current cursor position(), moves the cursor position() inside the frame, and returns the frame.

If the cursor holds a selection, the whole selection is moved inside the frame.

See also

hasSelection()

Definition at line 2194 of file qtextcursor.cpp.

References QTextDocumentPrivate::insertFrame(), QTextCursorPrivate::priv, selectionEnd(), and selectionStart().

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insertHtml()

void QTextCursor::insertHtml

(

const QString &

html

)

Since

4.2 Inserts the text html at the current position(). The text is interpreted as HTML.

Note

When using this function with a style sheet, the style sheet will only apply to the current block in the document. In order to apply a style sheet throughout a document, use QTextDocument::setDefaultStyleSheet() instead.

Definition at line 2247 of file qtextcursor.cpp.

References QTextDocumentPrivate::document(), QTextDocumentFragment::fromHtml(), insertFragment(), and QTextCursorPrivate::priv.

Referenced by QWidgetTextControlPrivate::append(), and QTextMarkdownImporter::cbText().

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insertImage() [1/4]

void QTextCursor::insertImage	(	const QImage &	image,
		const QString &	name = QString()
	)

Since

4.5 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

Convenience function for inserting the given image with an optional name at the current position().

Definition at line 2337 of file qtextcursor.cpp.

References QTextDocument::addResource(), QTextDocumentPrivate::document(), QTextDocument::ImageResource, insertImage(), QString::number(), QTextCursorPrivate::priv, and qWarning.

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insertImage() [2/4]

void QTextCursor::insertImage

(

const QString &

name

)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Convenience method for inserting the image with the given name at the current position().

QImage img;
textDocument->addResource(QTextDocument::ImageResource, QUrl("myimage"), img);
cursor.insertImage("myimage");

Definition at line 2323 of file qtextcursor.cpp.

References insertImage().

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insertImage() [3/4]

void QTextCursor::insertImage

(

const QTextImageFormat &

format

)

Inserts the image defined by format at the current position().

Definition at line 2310 of file qtextcursor.cpp.

References insertText(), and QChar::ObjectReplacementCharacter.

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insertImage() [4/4]

void QTextCursor::insertImage	(	const QTextImageFormat &	format,
		QTextFrameFormat::Position	alignment
	)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

Since

6.4 Inserts the markdown text at the current position(), with the specified Markdown features. The default is GitHub dialect.

4.2

Inserts the image defined by the given format at the cursor's current position with the specified alignment.

See also

position()

Definition at line 2288 of file qtextcursor.cpp.

References alignment, QTextDocumentPrivate::beginEditBlock(), QTextDocumentPrivate::createObject(), QTextDocumentPrivate::endEditBlock(), fmt, QTextDocumentPrivate::formatCollection(), QTextFormatCollection::indexForFormat(), QTextDocumentPrivate::insert(), QChar::ObjectReplacementCharacter, QTextCursorPrivate::position, QTextCursorPrivate::priv, QTextCursorPrivate::remove(), and QTextFrameFormat::setPosition().

Referenced by QTextMarkdownImporter::cbText(), insertImage(), and insertImage().

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insertList() [1/2]

QTextList * QTextCursor::insertList

(

const QTextListFormat &

format

)

Inserts a new block at the current position and makes it the first list item of a newly created list with the given format.

Returns the created list.

See also

currentList(), createList(), insertBlock()

Definition at line 2048 of file qtextcursor.cpp.

References createList(), and insertBlock().

Referenced by QTextMarkdownImporter::cbEnterBlock().

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insertList() [2/2]

QTextList * QTextCursor::insertList

(

QTextListFormat::Style

style

)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Inserts a new block at the current position and makes it the first list item of a newly created list with the given style.

Returns the created list.

See also

currentList(), createList(), insertBlock()

Definition at line 2063 of file qtextcursor.cpp.

References createList(), and insertBlock().

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insertTable() [1/2]

QTextTable * QTextCursor::insertTable	(	int	rows,
		int	columns
	)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Creates a new table with the given number of rows and columns, inserts it at the current cursor position() in the document, and returns the table object.

The cursor is moved to the beginning of the first cell.

There must be at least one row and one column in the table.

See also

currentTable()

Definition at line 2133 of file qtextcursor.cpp.

References insertTable().

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insertTable() [2/2]

QTextTable * QTextCursor::insertTable	(	int	rows,
		int	columns,
		const QTextTableFormat &	format
	)

Creates a new table with the given number of rows and columns in the specified format, inserts it at the current cursor position() in the document, and returns the table object.

The cursor is moved to the beginning of the first cell.

There must be at least one row and one column in the table.

See also

currentTable()

Definition at line 2150 of file qtextcursor.cpp.

References QTextCursorPrivate::adjusted_anchor, QTextCursorPrivate::anchor, QTextTablePrivate::createTable(), pos, QTextCursorPrivate::position, QTextCursorPrivate::priv, and QTextCursorPrivate::setPosition().

Referenced by QTextMarkdownImporter::cbEnterBlock(), and insertTable().

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insertText() [1/2]

void QTextCursor::insertText

(

const QString &

text

)

Inserts text at the current position, using the current character format.

If there is a selection, the selection is deleted and replaced by text, for example:

cursor.clearSelection();
cursor.movePosition(QTextCursor::NextWord, QTextCursor::KeepAnchor);
cursor.insertText("Hello World");

This clears any existing selection, selects the word at the cursor (i.e. from position() forward), and replaces the selection with the phrase "Hello World".

Any ASCII linefeed characters (\n) in the inserted text are transformed into unicode block separators, corresponding to insertBlock() calls.

See also

charFormat(), hasSelection()

Definition at line 1387 of file qtextcursor.cpp.

References charFormat(), fmt, insertText(), QTextFormat::ObjectType, and text.

Referenced by QTextDocument::QTextDocument(), QWidgetTextControlPrivate::append(), QTextMarkdownImporter::cbText(), insertImage(), insertText(), QWidgetTextControlPrivate::keyPressEvent(), QQuickTextControlPrivate::keyPressEvent(), main(), QTextTable::mergeCells(), and QTextDocument::setPlainText().

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insertText() [2/2]

void QTextCursor::insertText	(	const QString &	text,
		const QTextCharFormat &	format
	)

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Inserts text at the current position with the given format.

Definition at line 1400 of file qtextcursor.cpp.

References QTextCursorPrivate::anchor, QString::at(), QTextDocumentPrivate::beginEditBlock(), blockFormat(), ch, QTextFormat::clearProperty(), QTextDocumentPrivate::endEditBlock(), QTextDocumentPrivate::formatCollection(), i, QTextFormatCollection::indexForFormat(), QTextDocumentPrivate::insert(), QTextCursorPrivate::insertBlock(), QString::isEmpty(), QTextCharFormat::isValid(), QTextFormat::ObjectIndex, QChar::ParagraphSeparator, QTextCursorPrivate::position, QTextCursorPrivate::priv, Q_ASSERT, QTextBeginningOfFrame, QTextEndOfFrame, QTextCursorPrivate::remove(), QTextCursorPrivate::setX(), QString::size(), and text.

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isCopyOf()

bool QTextCursor::isCopyOf

(

const QTextCursor &

other

)

const

Returns true if this cursor and other are copies of each other, i.e.

one of them was created as a copy of the other and neither has moved since. This is much stricter than equality.

See also

operator=(), operator==()

Definition at line 2531 of file qtextcursor.cpp.

References other().

Referenced by QWidgetTextControlPrivate::_q_emitCursorPosChanged(), and QQuickTextControlPrivate::_q_updateCursorPosChanged().

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isNull()

bool QTextCursor::isNull

(

)

const

Returns true if the cursor is null; otherwise returns false.

A null cursor is created by the default constructor.

Definition at line 1102 of file qtextcursor.cpp.

References QTextCursorPrivate::priv.

Referenced by QWidgetTextControlPrivate::cursorMoveKeyEvent(), QQuickTextControlPrivate::cursorMoveKeyEvent(), QWidgetTextControlPrivate::cursorRectPlusUnicodeDirectionMarkers(), QWidgetTextControl::find(), QWidgetTextControlPrivate::inputMethodEvent(), QTextDocumentFragmentPrivate::insert(), main(), QWidgetTextControlPrivate::repaintOldAndNewSelection(), and QQuickTextControlPrivate::repaintOldAndNewSelection().

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joinPreviousEditBlock()

void QTextCursor::joinPreviousEditBlock

(

)

Like beginEditBlock() indicates the start of a block of editing operations that should appear as a single operation for undo/redo.

However unlike beginEditBlock() it does not start a new block but reverses the previous call to endEditBlock() and therefore makes following operations part of the previous edit block created.

For example:

QTextCursor cursor(textDocument);
cursor.beginEditBlock();
cursor.insertText("Hello");
cursor.insertText("World");
cursor.endEditBlock();
 
// ...
 
cursor.joinPreviousEditBlock();
cursor.insertText("Hey");
cursor.endEditBlock();
 
textDocument->undo();

The call to undo() will cause all three insertions to be undone.

See also

beginEditBlock(), endEditBlock()

Definition at line 2500 of file qtextcursor.cpp.

References QTextDocumentPrivate::joinPreviousEditBlock(), and QTextCursorPrivate::priv.

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keepPositionOnInsert()

bool QTextCursor::keepPositionOnInsert

(

)

const

Since

4.7

Returns whether the cursor should keep its current position when text gets inserted at the position of the cursor.

The default is false;

See also

setKeepPositionOnInsert()

Definition at line 1342 of file qtextcursor.cpp.

References QTextCursorPrivate::keepPositionOnInsert.

mergeBlockCharFormat()

void QTextCursor::mergeBlockCharFormat

(

const QTextCharFormat &

modifier

)

Modifies the block char format of the current block (or all blocks that are contained in the selection) with the block format specified by modifier.

See also

setBlockCharFormat()

Definition at line 1843 of file qtextcursor.cpp.

References QTextDocumentPrivate::MergeFormat, QTextCursorPrivate::priv, and QTextCursorPrivate::setBlockCharFormat().

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mergeBlockFormat()

void QTextCursor::mergeBlockFormat

(

const QTextBlockFormat &

modifier

)

Modifies the block format of the current block (or all blocks that are contained in the selection) with the block format specified by modifier.

See also

setBlockFormat(), blockFormat()

Definition at line 1798 of file qtextcursor.cpp.

References QTextDocumentPrivate::MergeFormat, QTextCursorPrivate::priv, and QTextCursorPrivate::setBlockFormat().

Referenced by createList(), QWidgetTextControlPrivate::indent(), QWidgetTextControlPrivate::keyPressEvent(), QQuickTextControlPrivate::keyPressEvent(), and QWidgetTextControlPrivate::outdent().

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mergeCharFormat()

void QTextCursor::mergeCharFormat

(

const QTextCharFormat &

modifier

)

Merges the cursor's current character format with the properties described by format modifier.

If the cursor has a selection, this function applies all the properties set in modifier to all the character formats that are part of the selection.

See also

hasSelection(), setCharFormat()

Definition at line 1919 of file qtextcursor.cpp.

References QTextCursorPrivate::anchor, charFormat(), QTextCursorPrivate::currentCharFormat, QTextDocumentPrivate::formatCollection(), QTextFormatCollection::indexForFormat(), QTextDocumentPrivate::MergeFormat, QTextCursorPrivate::position, QTextCursorPrivate::priv, and QTextCursorPrivate::setCharFormat().

Referenced by main().

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movePosition()

bool QTextCursor::movePosition	(	MoveOperation	operation,
		MoveMode	mode = MoveAnchor,
		int	n = 1
	)

Moves the cursor by performing the given operation n times, using the specified mode, and returns true if all operations were completed successfully; otherwise returns false.

For example, if this function is repeatedly used to seek to the end of the next word, it will eventually fail when the end of the document is reached.

By default, the move operation is performed once (n = 1).

If mode is KeepAnchor, the cursor selects the text it moves over. This is the same effect that the user achieves when they hold down the Shift key and move the cursor with the cursor keys.

See also

setVisualNavigation()

Definition at line 1224 of file qtextcursor.cpp.

References QTextCursorPrivate::anchor, QTextCursorPrivate::block(), End, EndOfLine, QTextBlock::isVisible(), MoveAnchor, QTextCursorPrivate::movePosition(), QTextBlock::next(), position(), QTextCursorPrivate::position, QTextCursorPrivate::priv, QTextCursorPrivate::setPosition(), Start, StartOfLine, and QTextCursorPrivate::visualNavigation.

Referenced by QWidgetTextControlPrivate::activateLinkUnderCursor(), QQuickTextControlPrivate::activateLinkUnderCursor(), QWidgetTextControlPrivate::anchorForCursor(), QWidgetTextControlPrivate::append(), QTextMarkdownImporter::cbLeaveBlock(), QWidgetTextControlPrivate::cursorMoveKeyEvent(), QQuickTextControlPrivate::cursorMoveKeyEvent(), QWidgetTextControlPrivate::extendBlockwiseSelection(), QQuickTextControlPrivate::extendBlockwiseSelection(), QWidgetTextControlPrivate::extendWordwiseSelection(), QQuickTextControlPrivate::extendWordwiseSelection(), MainWindow::highlightListItems(), QWidgetTextControl::inputMethodQuery(), QTextDocumentFragmentPrivate::insert(), QWidgetTextControlPrivate::keyPressEvent(), QQuickTextControlPrivate::keyPressEvent(), main(), QWidgetTextControlPrivate::mousePressEvent(), QQuickTextControlPrivate::mousePressEvent(), and select().

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operator!=()

bool QTextCursor::operator!=

(

const QTextCursor &

rhs

)

const

Returns true if the other cursor is at a different position in the document as this cursor; otherwise returns false.

Definition at line 2358 of file qtextcursor.cpp.

References operator==().

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operator<()

bool QTextCursor::operator<

(

const QTextCursor &

rhs

)

const

Returns true if the other cursor is positioned later in the document than this cursor; otherwise returns false.

Definition at line 2369 of file qtextcursor.cpp.

References QTextCursorPrivate::position, QTextCursorPrivate::priv, and Q_ASSERT_X.

operator<=()

bool QTextCursor::operator<=

(

const QTextCursor &

rhs

)

const

Returns true if the other cursor is positioned later or at the same position in the document as this cursor; otherwise returns false.

Definition at line 2389 of file qtextcursor.cpp.

References QTextCursorPrivate::position, QTextCursorPrivate::priv, and Q_ASSERT_X.

operator=()

QTextCursor & QTextCursor::operator=

(

const QTextCursor &

cursor

)

Makes a copy of cursor and assigns it to this QTextCursor.

Note that QTextCursor is an \l{Implicitly Shared Classes}{implicitly shared} class.

Definition at line 1077 of file qtextcursor.cpp.

References cursor.

operator==()

bool QTextCursor::operator==

(

const QTextCursor &

rhs

)

const

Returns true if the other cursor is at the same position in the document as this cursor; otherwise returns false.

Definition at line 2408 of file qtextcursor.cpp.

References QTextCursorPrivate::position, and QTextCursorPrivate::priv.

Referenced by operator!=().

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operator>()

bool QTextCursor::operator>

(

const QTextCursor &

rhs

)

const

Returns true if the other cursor is positioned earlier in the document than this cursor; otherwise returns false.

Definition at line 2445 of file qtextcursor.cpp.

References QTextCursorPrivate::position, QTextCursorPrivate::priv, and Q_ASSERT_X.

operator>=()

bool QTextCursor::operator>=

(

const QTextCursor &

rhs

)

const

Returns true if the other cursor is positioned earlier or at the same position in the document as this cursor; otherwise returns false.

Definition at line 2426 of file qtextcursor.cpp.

References QTextCursorPrivate::position, QTextCursorPrivate::priv, and Q_ASSERT_X.

position()

int QTextCursor::position

(

)

const

Returns the absolute position of the cursor within the document.

The cursor is positioned between characters.

Note

The "characters" in this case refer to the string of QChar objects, i.e. 16-bit Unicode characters, and the position is considered an index into this string. This does not necessarily correspond to individual graphemes in the writing system, as a single grapheme may be represented by multiple Unicode characters, such as in the case of surrogate pairs, linguistic ligatures or diacritics.

See also

setPosition(), movePosition(), anchor(), positionInBlock()

Definition at line 1161 of file qtextcursor.cpp.

References QTextCursorPrivate::position, and QTextCursorPrivate::priv.

Referenced by QTextCopyHelper::QTextCopyHelper(), QWidgetTextControlPrivate::activateLinkUnderCursor(), QQuickTextControlPrivate::activateLinkUnderCursor(), QWidgetTextControlPrivate::anchorForCursor(), QWidgetTextControlPrivate::cursorMoveKeyEvent(), QQuickTextControlPrivate::cursorMoveKeyEvent(), QWidgetTextControlPrivate::cursorRectPlusUnicodeDirectionMarkers(), QPlainTextEditPrivate::ensureCursorVisible(), QWidgetTextControlPrivate::extendBlockwiseSelection(), QQuickTextControlPrivate::extendBlockwiseSelection(), QWidgetTextControlPrivate::extendWordwiseSelection(), QQuickTextControlPrivate::extendWordwiseSelection(), QWidgetTextControlPrivate::inputMethodEvent(), QWidgetTextControlPrivate::keyPressEvent(), QQuickTextControlPrivate::keyPressEvent(), QWidgetTextControlPrivate::mouseMoveEvent(), QQuickTextControlPrivate::mouseMoveEvent(), QWidgetTextControlPrivate::mousePressEvent(), QQuickTextControlPrivate::mousePressEvent(), QWidgetTextControlPrivate::mouseReleaseEvent(), QQuickTextControlPrivate::mouseReleaseEvent(), movePosition(), QWidgetTextControlPrivate::repaintOldAndNewSelection(), QQuickTextControlPrivate::repaintOldAndNewSelection(), QWidgetTextControlPrivate::selectionChanged(), QWidgetTextControlPrivate::sendMouseEventToInputContext(), QQuickTextControlPrivate::sendMouseEventToInputContext(), and QQuickTextControlPrivate::setContent().

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positionInBlock()

int QTextCursor::positionInBlock

(

)

const

Since

4.7 Returns the relative position of the cursor within the block. The cursor is positioned between characters.

This is equivalent to { position() - block().position()}.

Note

The "characters" in this case refer to the string of QChar objects, i.e. 16-bit Unicode characters, and the position is considered an index into this string. This does not necessarily correspond to individual graphemes in the writing system, as a single grapheme may be represented by multiple Unicode characters, such as in the case of surrogate pairs, linguistic ligatures or diacritics.

See also

position()

Definition at line 1184 of file qtextcursor.cpp.

References QTextCursorPrivate::block(), QTextCursorPrivate::position, QTextBlock::position(), and QTextCursorPrivate::priv.

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removeSelectedText()

void QTextCursor::removeSelectedText

(

)

If there is a selection, its content is deleted; otherwise does nothing.

See also

hasSelection()

Definition at line 1636 of file qtextcursor.cpp.

References QTextCursorPrivate::anchor, QTextDocumentPrivate::beginEditBlock(), QTextDocumentPrivate::endEditBlock(), QTextCursorPrivate::position, QTextCursorPrivate::priv, QTextCursorPrivate::remove(), and QTextCursorPrivate::setX().

Referenced by QWidgetTextControlPrivate::_q_deleteSelected(), deleteChar(), deletePreviousChar(), QWidgetTextControlPrivate::dropEvent(), QWidgetTextControlPrivate::inputMethodEvent(), QWidgetTextControlPrivate::keyPressEvent(), QQuickTextControlPrivate::keyPressEvent(), and QWidgetTextControlPrivate::startDrag().

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select()

void QTextCursor::select

(

SelectionType

selection

)

Selects text in the document according to the given selection.

Definition at line 1533 of file qtextcursor.cpp.

References block(), QTextCursorPrivate::block(), BlockUnderCursor, clearSelection(), Document, End, EndOfBlock, EndOfLine, EndOfWord, KeepAnchor, QTextBlock::length(), LineUnderCursor, movePosition(), NextBlock, PreviousBlock, QTextCursorPrivate::priv, selection(), Start, StartOfBlock, StartOfLine, StartOfWord, and WordUnderCursor.

Referenced by QWidgetTextControlPrivate::mouseDoubleClickEvent(), QQuickTextControlPrivate::mouseDoubleClickEvent(), QWidgetTextControlPrivate::mouseMoveEvent(), QQuickTextControlPrivate::mouseMoveEvent(), QWidgetTextControlPrivate::mousePressEvent(), QQuickTextControlPrivate::mousePressEvent(), QQuickTextControlPrivate::setContent(), and QWidgetTextControlPrivate::setContent().

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selectedTableCells()

void QTextCursor::selectedTableCells	(	int *	firstRow,
		int *	numRows,
		int *	firstColumn,
		int *	numColumns
	)		const

If the selection spans over table cells, firstRow is populated with the number of the first row in the selection, firstColumn with the number of the first column in the selection, and numRows and numColumns with the number of rows and columns in the selection.

If the selection does not span any table cells the results are harmless but undefined.

Definition at line 1601 of file qtextcursor.cpp.

References QTextCursorPrivate::anchor, QTextCursorPrivate::position, and QTextCursorPrivate::selectedTableCells().

Referenced by QTextCopyHelper::copy(), and selectedText().

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selectedText()

QString QTextCursor::selectedText

(

)

const

Returns the current selection's text (which may be empty).

This only returns the text, with no rich text formatting information. If you want a document fragment (i.e. formatted rich text) use selection() instead.

Note

If the selection obtained from an editor spans a line break, the text will contain a Unicode U+2029 paragraph separator character instead of a newline {
} character. Use QString::replace() to replace these characters with newlines.

Definition at line 1698 of file qtextcursor.cpp.

References QTextCursorPrivate::anchor, QTextDocumentPrivate::buffer(), QTextTableCell::column(), QTextTableCell::columnSpan(), QTextCursorPrivate::complexSelectionTable(), QTextTableCell::firstPosition(), getText(), QTextTableCell::lastPosition(), QTextCursorPrivate::position, QTextCursorPrivate::priv, Q_ASSERT, QTextTableCell::row(), QTextTableCell::rowSpan(), selectedTableCells(), selectionEnd(), selectionStart(), and text.

Referenced by QWidgetTextControlPrivate::_q_contentsChanged().

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selection()

QTextDocumentFragment QTextCursor::selection

(

)

const

Returns the current selection (which may be empty) with all its formatting information.

If you just want the selected text (i.e. plain text) use selectedText() instead.

Note

Unlike QTextDocumentFragment::toPlainText(), selectedText() may include special unicode characters such as QChar::ParagraphSeparator.

See also

QTextDocumentFragment::toPlainText()

Definition at line 1749 of file qtextcursor.cpp.

Referenced by select().

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selectionEnd()

int QTextCursor::selectionEnd

(

)

const

Returns the end of the selection or position() if the cursor doesn't have a selection.

See also

selectionStart(), position(), anchor()

Definition at line 1666 of file qtextcursor.cpp.

References QTextCursorPrivate::adjusted_anchor, QTextCursorPrivate::position, QTextCursorPrivate::priv, and qMax().

Referenced by QTextCopyHelper::copy(), QWidgetTextControlPrivate::extendBlockwiseSelection(), QQuickTextControlPrivate::extendBlockwiseSelection(), QWidgetTextControlPrivate::extendWordwiseSelection(), QQuickTextControlPrivate::extendWordwiseSelection(), QWidgetTextControl::findNextPrevAnchor(), insertFrame(), QWidgetTextControlPrivate::mousePressEvent(), selectedText(), QQuickTextControlPrivate::selectionChanged(), and QWidgetTextControl::setFocusToAnchor().

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selectionStart()

int QTextCursor::selectionStart

(

)

const

Returns the start of the selection or position() if the cursor doesn't have a selection.

See also

selectionEnd(), position(), anchor()

Definition at line 1653 of file qtextcursor.cpp.

References QTextCursorPrivate::adjusted_anchor, QTextCursorPrivate::position, QTextCursorPrivate::priv, and qMin().

Referenced by QWidgetTextControlPrivate::activateLinkUnderCursor(), QQuickTextControlPrivate::activateLinkUnderCursor(), QWidgetTextControlPrivate::anchorForCursor(), QTextCopyHelper::copy(), QWidgetTextControlPrivate::extendBlockwiseSelection(), QQuickTextControlPrivate::extendBlockwiseSelection(), QWidgetTextControlPrivate::extendWordwiseSelection(), QQuickTextControlPrivate::extendWordwiseSelection(), QWidgetTextControl::findNextPrevAnchor(), insertFrame(), QWidgetTextControlPrivate::mousePressEvent(), selectedText(), QQuickTextControlPrivate::selectionChanged(), and QWidgetTextControl::setFocusToAnchor().

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setBlockCharFormat()

void QTextCursor::setBlockCharFormat

(

const QTextCharFormat &

format

)

Sets the block char format of the current block (or all blocks that are contained in the selection) to format.

See also

blockCharFormat()

Definition at line 1828 of file qtextcursor.cpp.

References QTextCursorPrivate::priv, QTextCursorPrivate::setBlockCharFormat(), and QTextDocumentPrivate::SetFormatAndPreserveObjectIndices.

Referenced by QTextDocument::clone().

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setBlockFormat()

void QTextCursor::setBlockFormat

(

const QTextBlockFormat &

format

)

Sets the block format of the current block (or all blocks that are contained in the selection) to format.

See also

blockFormat(), mergeBlockFormat()

Definition at line 1783 of file qtextcursor.cpp.

References QTextCursorPrivate::priv, QTextCursorPrivate::setBlockFormat(), and QTextDocumentPrivate::SetFormat.

Referenced by QTextMarkdownImporter::cbEnterBlock(), QTextMarkdownImporter::cbText(), QTextDocument::clone(), QWidgetTextControlPrivate::createAutoBulletList(), MainWindow::highlightListItems(), QTextHtmlImporter::import(), QWidgetTextControlPrivate::insertParagraphSeparator(), QWidgetTextControlPrivate::keyPressEvent(), QQuickTextControlPrivate::keyPressEvent(), QWidgetTextControlPrivate::mouseReleaseEvent(), and QQuickTextControlPrivate::mouseReleaseEvent().

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setCharFormat()

void QTextCursor::setCharFormat

(

const QTextCharFormat &

format

)

Sets the cursor's current character format to the given format.

If the cursor has a selection, the given format is applied to the current selection.

See also

hasSelection(), mergeCharFormat()

Definition at line 1900 of file qtextcursor.cpp.

References QTextCursorPrivate::anchor, QTextCursorPrivate::currentCharFormat, QTextDocumentPrivate::formatCollection(), QTextFormatCollection::indexForFormat(), QTextCursorPrivate::position, QTextCursorPrivate::priv, QTextCursorPrivate::setCharFormat(), and QTextDocumentPrivate::SetFormatAndPreserveObjectIndices.

Referenced by QWidgetTextControlPrivate::append(), QTextMarkdownImporter::cbEnterBlock(), QTextMarkdownImporter::cbEnterSpan(), QTextMarkdownImporter::cbLeaveBlock(), QTextMarkdownImporter::cbLeaveSpan(), QTextMarkdownImporter::cbText(), QWidgetTextControlPrivate::insertParagraphSeparator(), main(), QQuickTextControlPrivate::setContent(), and QWidgetTextControlPrivate::setContent().

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setKeepPositionOnInsert()

void QTextCursor::setKeepPositionOnInsert

(

bool

b

)

Since

4.7

Defines whether the cursor should keep its current position when text gets inserted at the current position of the cursor.

If b is true, the cursor keeps its current position when text gets inserted at the positing of the cursor. If b is false, the cursor moves along with the inserted text.

The default is false.

Note that a cursor always moves when text is inserted before the current position of the cursor, and it always keeps its position when text is inserted after the current position of the cursor.

See also

keepPositionOnInsert()

Definition at line 1363 of file qtextcursor.cpp.

References QTextCursorPrivate::keepPositionOnInsert.

setPosition()

void QTextCursor::setPosition	(	int	pos,
		MoveMode	m = MoveAnchor
	)

Moves the cursor to the absolute position in the document specified by pos using a MoveMode specified by m.

The cursor is positioned between characters.

Note

The "characters" in this case refer to the string of QChar objects, i.e. 16-bit Unicode characters, and pos is considered an index into this string. This does not necessarily correspond to individual graphemes in the writing system, as a single grapheme may be represented by multiple Unicode characters, such as in the case of surrogate pairs, linguistic ligatures or diacritics. For a more generic approach to navigating the document, use movePosition(), which will respect the actual grapheme boundaries in the text.

See also

position(), movePosition(), anchor()

Definition at line 1123 of file qtextcursor.cpp.

References QTextCursorPrivate::adjustCursor(), QTextCursorPrivate::adjusted_anchor, anchor(), QTextCursorPrivate::anchor, Left, QTextDocumentPrivate::length(), MoveAnchor, pos, QTextCursorPrivate::priv, qWarning, Right, QTextCursorPrivate::setPosition(), and QTextCursorPrivate::setX().

Referenced by QWidgetTextControlPrivate::_q_contentsChanged(), QWidgetTextControlPrivate::activateLinkUnderCursor(), QQuickTextControlPrivate::activateLinkUnderCursor(), QWidgetTextControlPrivate::anchorForCursor(), QWidgetTextControlPrivate::dragMoveEvent(), QWidgetTextControlPrivate::extendBlockwiseSelection(), QQuickTextControlPrivate::extendBlockwiseSelection(), QWidgetTextControlPrivate::extendWordwiseSelection(), QQuickTextControlPrivate::extendWordwiseSelection(), QWidgetTextControl::findNextPrevAnchor(), MainWindow::highlightListItems(), QWidgetTextControlPrivate::inputMethodEvent(), main(), QWidgetTextControlPrivate::mouseReleaseEvent(), QQuickTextControlPrivate::mouseReleaseEvent(), QWidgetTextControlPrivate::repaintOldAndNewSelection(), QQuickTextControlPrivate::repaintOldAndNewSelection(), QWidgetTextControlPrivate::setCursorPosition(), QQuickTextControlPrivate::setCursorPosition(), QWidgetTextControlPrivate::setCursorPosition(), and QQuickTextControlPrivate::setCursorPosition().

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setVerticalMovementX()

void QTextCursor::setVerticalMovementX

(

int

x

)

Since

4.7

Sets the visual x position for vertical cursor movements to x.

The vertical movement x position is cleared automatically when the cursor moves horizontally, and kept unchanged when the cursor moves vertically. The mechanism allows the cursor to move up and down on a visually straight line with proportional fonts, and to gently "jump" over short lines.

A value of -1 indicates no predefined x position. It will then be set automatically the next time the cursor moves up or down.

See also

verticalMovementX()

Definition at line 1312 of file qtextcursor.cpp.

References QTextCursorPrivate::x.

setVisualNavigation()

void QTextCursor::setVisualNavigation

(

bool

b

)

Since

4.4

Sets visual navigation to b.

Visual navigation means skipping over hidden text paragraphs. The default is false.

See also

visualNavigation(), movePosition()

Definition at line 1291 of file qtextcursor.cpp.

References QTextCursorPrivate::visualNavigation.

Referenced by QWidgetTextControlPrivate::cursorMoveKeyEvent(), and QQuickTextControlPrivate::cursorMoveKeyEvent().

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swap()

void QTextCursor::swap ( QTextCursor &  other )

inlinenoexcept

Since

5.0

Swaps this text cursor instance with other. This function is very fast and never fails.

Definition at line 43 of file qtextcursor.h.

References d, and other().

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verticalMovementX()

int QTextCursor::verticalMovementX

(

)

const

Since

4.7

Returns the visual x position for vertical cursor movements.

A value of -1 indicates no predefined x position. It will then be set automatically the next time the cursor moves up or down.

See also

setVerticalMovementX()

Definition at line 1327 of file qtextcursor.cpp.

References QTextCursorPrivate::x.

visualNavigation()

bool QTextCursor::visualNavigation

(

)

const

Since

4.4

Returns true if the cursor does visual navigation; otherwise returns false.

Visual navigation means skipping over hidden text paragraphs. The default is false.

See also

setVisualNavigation(), movePosition()

Definition at line 1276 of file qtextcursor.cpp.

References QTextCursorPrivate::visualNavigation.

Referenced by QWidgetTextControlPrivate::cursorMoveKeyEvent(), and QQuickTextControlPrivate::cursorMoveKeyEvent().

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Friends And Related Symbol Documentation

QTextCopyHelper

friend class QTextCopyHelper

friend

Definition at line 200 of file qtextcursor.h.

QTextCursorPrivate

friend class QTextCursorPrivate

friend

Definition at line 197 of file qtextcursor.h.

QTextDocumentFragmentPrivate

friend class QTextDocumentFragmentPrivate

friend

Definition at line 199 of file qtextcursor.h.

QTextDocumentPrivate

friend class QTextDocumentPrivate

friend

Definition at line 198 of file qtextcursor.h.

QWidgetTextControlPrivate

friend class QWidgetTextControlPrivate

friend

Definition at line 201 of file qtextcursor.h.

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

• qtbase/src/gui/text/qtextcursor.h
• qtbase/src/gui/text/qtextcursor.cpp