QStyleOptionButton Class

The QStyleOptionButton class is used to describe the parameters for drawing buttons. More...

Header:	#include <QStyleOptionButton>
qmake:	QT += widgets
Inherits:	QStyleOption

• List of all members, including inherited members

Public Types

enum	ButtonFeature { None, Flat, HasMenu, DefaultButton, AutoDefaultButton, CommandLinkButton }
flags	ButtonFeatures
enum	StyleOptionType { Type }
enum	StyleOptionVersion { Version }

Public Functions

	QStyleOptionButton(const QStyleOptionButton &other)
	QStyleOptionButton()

Public Variables

QStyleOptionButton::ButtonFeatures	features
QIcon	icon
QSize	iconSize
QString	text

Detailed Description

QStyleOptionButton contains all the information that QStyle functions need to draw graphical elements like QPushButton, QCheckBox, and QRadioButton.

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 and QStyleOptionToolButton.

Member Type Documentation

enum QStyleOptionButton::ButtonFeatureflags QStyleOptionButton::ButtonFeatures

This enum describes the different types of features a push button can have.

Constant	Value	Description
QStyleOptionButton::None	0x00	Indicates a normal push button.
QStyleOptionButton::Flat	0x01	Indicates a flat push button.
QStyleOptionButton::HasMenu	0x02	Indicates that the button has a drop down menu.
QStyleOptionButton::DefaultButton	0x04	Indicates that the button is a default button.
QStyleOptionButton::AutoDefaultButton	0x08	Indicates that the button is an auto default button.
QStyleOptionButton::CommandLinkButton	0x10	Indicates that the button is a Windows Vista type command link.

The ButtonFeatures type is a typedef for QFlags<ButtonFeature>. It stores an OR combination of ButtonFeature values.

See also features.

enum QStyleOptionButton::StyleOptionType

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

Constant	Value	Description
QStyleOptionButton::Type	SO_Button	The type of style option provided (SO_Button for this class).

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 QStyleOptionButton::StyleOptionVersion

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

Constant	Value	Description
QStyleOptionButton::Version	1	1

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

See also StyleOptionType.

Member Function Documentation

QStyleOptionButton::QStyleOptionButton(const QStyleOptionButton &other)

Constructs a copy of the other style option.

QStyleOptionButton::QStyleOptionButton()

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