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QStyleOptionFocusRect Class Reference
^{[модуль QtGui ]}

The QStyleOptionFocusRect class is used to describe the parameters for drawing a focus rectangle with QStyle. Далее...

 #include <QStyleOptionFocusRect>

Inherits QStyleOption.

• Список всех членов, включая унаследованные

Открытые типы

• enum StyleOptionType { Type }
• enum StyleOptionVersion { Version }

Открытые функции

• QStyleOptionFocusRect ()
• QStyleOptionFocusRect ( const QStyleOptionFocusRect & other )

• 2 public functions inherited from QStyleOption

Public Variables

• QColor backgroundColor

• 7 public variables inherited from QStyleOption

Подробное описание

The QStyleOptionFocusRect class is used to describe the parameters for drawing a focus rectangle with QStyle.

For performance reasons, the access to the member variables is direct (i.e., using the . or -> operator). This low-level feel makes the structures straightforward to use and emphasizes that these are simply parameters used by the style functions.

For an example demonstrating how style options can be used, see the Styles example.

See also QStyleOption.

Описание типов

enum QStyleOptionFocusRect::StyleOptionType

This enum is used to hold information about the type of the style option, and is defined for each QStyleOption subclass.

The type is used internally by QStyleOption, its subclasses, and qstyleoption_cast() to determine the type of style option. In general you do not need to worry about this unless you want to create your own QStyleOption subclass and your own styles.

See also StyleOptionVersion.

enum QStyleOptionFocusRect::StyleOptionVersion

This enum is used to hold information about the version of the style option, and is defined for each QStyleOption subclass.

The version is used by QStyleOption subclasses to implement extensions without breaking compatibility. If you use qstyleoption_cast(), you normally don't need to check it.

See also StyleOptionType.

Описание функций-членов

QStyleOptionFocusRect::QStyleOptionFocusRect ()

Constructs a QStyleOptionFocusRect, initializing the members variables to their default values.

QStyleOptionFocusRect::QStyleOptionFocusRect ( const QStyleOptionFocusRect & other )

Constructs a copy of the other style option.

Member Variable Documentation

QColor QStyleOptionFocusRect::backgroundColor

This variable holds the background color on which the focus rectangle is being drawn.

The default value is an invalid color with the RGB value (0, 0, 0). An invalid color is a color that is not properly set up for the underlying window system.