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QStyleSheetItem Class Reference

The QStyleSheetItem class provides an encapsulation of a set of text styles. More...

#include <qstylesheet.h>

Inherits Qt.

List of all member functions.

Public Members

Detailed Description

The QStyleSheetItem class provides an encapsulation of a set of text styles.

A style sheet item consists of a name and a set of attributes that specifiy its font, color, etc. When used in a style sheet (see styleSheet()), items define the name() of a rich text tag and the display property changes associated with it.

The display mode attribute indicates whether the item is a block, an inline element or a list element; see setDisplayMode(). The treatment of whitespace is controlled by the white space mode; see setWhiteSpaceMode(). An item's margins are set with setMargin(), In the case of list items, the list style is set with setListStyle(). An item may be a hypertext link anchor; see setAnchor(). Other attributes are set with setAlignment(), setVerticalAlignment(), setFontFamily(), setFontSize(), setFontWeight(), setFontItalic(), setFontUnderline(), setFontStrikeOut and setColor().

See also Text Related Classes.

Member Type Documentation

QStyleSheetItem::DisplayMode

This enum type defines the way adjacent elements are displayed.

QStyleSheetItem::ListStyle

This enum type defines how the items in a list are prefixed when displayed.

QStyleSheetItem::Margin

QStyleSheetItem::VerticalAlignment

This enum type defines the way elements are aligned vertically. This is only supported for text elements.

QStyleSheetItem::WhiteSpaceMode

This enum defines the ways in which QStyleSheet can treat whitespace.

Member Function Documentation

QStyleSheetItem::QStyleSheetItem ( QStyleSheet * parent, const QString & name )

Constructs a new style called name for the stylesheet parent.

All properties in QStyleSheetItem are initially in the "do not change" state, except display mode, which defaults to DisplayInline.

QStyleSheetItem::QStyleSheetItem ( const QStyleSheetItem & other )

Copy constructor. Constructs a copy of other that is not bound to any style sheet.

QStyleSheetItem::~QStyleSheetItem ()

Destroys the style. Note that QStyleSheetItem objects become owned by QStyleSheet when they are created.

int QStyleSheetItem::alignment () const

Returns the alignment of this style. Possible values are AlignAuto, AlignLeft, AlignRight, AlignCenter or AlignJustify.

See also setAlignment() and Qt::AlignmentFlags.

bool QStyleSheetItem::allowedInContext ( const QStyleSheetItem * s ) const

Returns TRUE if this style can be nested into an element of style s; otherwise returns FALSE.

See also contexts() and setContexts().

QColor QStyleSheetItem::color () const

Returns the text color of this style or an invalid color if no color has been set.

See also setColor() and QColor::isValid().

QString QStyleSheetItem::contexts () const

Returns a space-separated list of names of styles that may contain elements of this style. If nothing has been set, contexts() returns an empty string, which indicates that this style can be nested everywhere.

See also setContexts().

bool QStyleSheetItem::definesFontItalic () const

Returns TRUE if the style defines a font shape; otherwise returns FALSE. A style does not define any shape until setFontItalic() is called.

See also setFontItalic() and fontItalic().

bool QStyleSheetItem::definesFontStrikeOut () const

Returns TRUE if the style defines a setting for the strikeOut property of the font; otherwise returns FALSE. A style does not define this until setFontStrikeOut() is called.

See also setFontStrikeOut() and fontStrikeOut().

bool QStyleSheetItem::definesFontUnderline () const

Returns TRUE if the style defines a setting for the underline property of the font; otherwise returns FALSE. A style does not define this until setFontUnderline() is called.

See also setFontUnderline() and fontUnderline().

DisplayMode QStyleSheetItem::displayMode () const

Returns the display mode of the style.

See also setDisplayMode().

QString QStyleSheetItem::fontFamily () const

Returns the font family setting of the style. This is either a valid font family or QString::null if no family has been set.

See also setFontFamily(), QFont::family(), and QFont::setFamily().

bool QStyleSheetItem::fontItalic () const

Returns TRUE if the style sets an italic font; otherwise returns FALSE.

See also setFontItalic() and definesFontItalic().

int QStyleSheetItem::fontSize () const

Returns the font size setting of the style. This is either a valid point size or QStyleSheetItem::Undefined.

See also setFontSize(), QFont::pointSize(), and QFont::setPointSize().

bool QStyleSheetItem::fontStrikeOut () const

Returns TRUE if the style sets a strike out font; otherwise returns FALSE.

See also setFontStrikeOut() and definesFontStrikeOut().

bool QStyleSheetItem::fontUnderline () const

Returns TRUE if the style sets an underlined font; otherwise returns FALSE.

See also setFontUnderline() and definesFontUnderline().

int QStyleSheetItem::fontWeight () const

Returns the font weight setting of the style. This is either a valid QFont::Weight or the value QStyleSheetItem::Undefined.

See also setFontWeight() and QFont.

bool QStyleSheetItem::isAnchor () const

Returns whether this style is an anchor.

See also setAnchor().

int QStyleSheetItem::lineSpacing () const

This function is obsolete. It is provided to keep old source working. We strongly advise against using it in new code.

Returns the linespacing

ListStyle QStyleSheetItem::listStyle () const

Returns the list style of the style.

See also setListStyle() and ListStyle.

int QStyleSheetItem::logicalFontSize () const

Returns the logical font size setting of the style. This is either a valid size between 1 and 7 or QStyleSheetItem::Undefined.

See also setLogicalFontSize(), setLogicalFontSizeStep(), QFont::pointSize(), and QFont::setPointSize().

int QStyleSheetItem::logicalFontSizeStep () const

Returns the logical font size step of this style.

The default is 0. Tags such as big define +1; small defines -1.

See also setLogicalFontSizeStep().

int QStyleSheetItem::margin ( Margin m ) const

Returns the width of margin m in pixels.

The margin, m, can be MarginLeft, MarginRight, MarginTop, MarginBottom, or MarginFirstLine.

See also setMargin() and Margin.

QString QStyleSheetItem::name () const

Returns the name of the style item.

int QStyleSheetItem::numberOfColumns () const

This function is obsolete. It is provided to keep old source working. We strongly advise against using it in new code.

Returns the number of columns for this style.

See also setNumberOfColumns(), displayMode(), and setDisplayMode().

QStyleSheetItem & QStyleSheetItem::operator= ( const QStyleSheetItem & other )

Assignment. Assings a copy of other that is not bound to any style sheet. Unbounds first from previous style sheet.

bool QStyleSheetItem::selfNesting () const

Returns TRUE if this style has self-nesting enabled; otherwise returns FALSE.

See also setSelfNesting().

void QStyleSheetItem::setAlignment ( int f )

Sets the alignment to f. This only makes sense for styles with a display mode of DisplayBlock. Possible values are AlignAuto, AlignLeft, AlignRight, AlignCenter or AlignJustify.

See also alignment(), displayMode(), and Qt::AlignmentFlags.

void QStyleSheetItem::setAnchor ( bool anc )

If anc is TRUE, sets this style to be an anchor (hypertext link); otherwise sets it to not be an anchor. Elements in this style link to other documents or anchors.

See also isAnchor().

void QStyleSheetItem::setColor ( const QColor & c )

Sets the text color of this style to c.

See also color().

void QStyleSheetItem::setContexts ( const QString & c )

Sets a space-separated list of names of styles that may contain elements of this style. If c is empty, the style can be nested everywhere.

See also contexts().

void QStyleSheetItem::setDisplayMode ( DisplayMode m )

Sets the display mode of the style to m.

See also displayMode().

void QStyleSheetItem::setFontFamily ( const QString & fam )

Sets the font family setting of the style to fam.

See also fontFamily(), QFont::family(), and QFont::setFamily().

void QStyleSheetItem::setFontItalic ( bool italic )

If italic is TRUE sets italic for the style; otherwise sets upright.

See also fontItalic() and definesFontItalic().

void QStyleSheetItem::setFontSize ( int s )

Sets the font size setting of the style to s points.

See also fontSize(), QFont::pointSize(), and QFont::setPointSize().

void QStyleSheetItem::setFontStrikeOut ( bool strikeOut )

If strikeOut is TRUE, sets strike out for the style; otherwise sets no strike out.

See also fontStrikeOut() and definesFontStrikeOut().

void QStyleSheetItem::setFontUnderline ( bool underline )

If underline is TRUE, sets underline for the style; otherwise sets no underline.

See also fontUnderline() and definesFontUnderline().

void QStyleSheetItem::setFontWeight ( int w )

Sets the font weight setting of the style to w. Valid values are those defined by QFont::Weight.

See also QFont and fontWeight().

void QStyleSheetItem::setListStyle ( ListStyle s )

Sets the list style of the style to s.

This is used by nested elements that have a display mode of DisplayListItem.

See also listStyle(), DisplayMode, and ListStyle.

void QStyleSheetItem::setLogicalFontSize ( int s )

Sets the logical font size setting of the style to s. Valid logical sizes are 1 to 7.

See also logicalFontSize(), QFont::pointSize(), and QFont::setPointSize().

void QStyleSheetItem::setLogicalFontSizeStep ( int s )

Sets the logical font size step of this style to s.

See also logicalFontSizeStep().

void QStyleSheetItem::setMargin ( Margin m, int v )

Sets the width of margin m to v pixels.

The margin, m, can be MarginLeft, MarginRight, MarginTop, MarginBottom, MarginFirstLine, MarginAll, MarginVertical or MarginHorizontal. The value v must be >= 0.

See also margin().

void QStyleSheetItem::setNumberOfColumns ( int ncols )

This function is obsolete. It is provided to keep old source working. We strongly advise against using it in new code.

Sets the number of columns for this style. Elements in the style are divided into columns.

This makes sense only if the style uses a block display mode (see QStyleSheetItem::DisplayMode).

See also numberOfColumns().

void QStyleSheetItem::setSelfNesting ( bool nesting )

Sets the self-nesting property for this style to nesting.

In order to support "dirty" HTML, paragraphs <p> and list items <li> are not self-nesting. This means that starting a new paragraph or list item automatically closes the previous one.

See also selfNesting().

void QStyleSheetItem::setVerticalAlignment ( VerticalAlignment valign )

Sets the vertical alignment to valign. Possible values are VAlignBaseline, VAlignSub or VAlignSuper.

The vertical alignment property is not inherited.

See also verticalAlignment().

void QStyleSheetItem::setWhiteSpaceMode ( WhiteSpaceMode m )

Sets the whitespace mode to m.

See also WhiteSpaceMode.

QStyleSheet * QStyleSheetItem::styleSheet ()

Returns the style sheet this item is in.

const QStyleSheet * QStyleSheetItem::styleSheet () const

This is an overloaded member function, provided for convenience. It behaves essentially like the above function.

Returns the style sheet this item is in.

VerticalAlignment QStyleSheetItem::verticalAlignment () const

Returns the vertical alignment of the style. Possible values are VAlignBaseline, VAlignSub or VAlignSuper.

See also setVerticalAlignment().

WhiteSpaceMode QStyleSheetItem::whiteSpaceMode () const

Returns the whitespace mode.

See also setWhiteSpaceMode() and WhiteSpaceMode.

This file is part of the Qt toolkit. Copyright © 1995-2007 Trolltech. All Rights Reserved.

Copyright © 2007 TrolltechTrademarks
Qt 3.3.8