QStyleOption Class

The QStyleOption class stores the parameters that QStyle functions use to draw. More…

Header	`#include <QStyleOption>`
CMake	`target_link_libraries(app PRIVATE Nt::Widgets)`
Module	Nt Widgets C++ Classes
Inherited by	QStyleOptionButton, QStyleOptionComboBox, QStyleOptionFrame, QStyleOptionGroupBox, QStyleOptionHeader, QStyleOptionMenuItem, QStyleOptionProgressBar, QStyleOptionSlider, QStyleOptionSpinBox, QStyleOptionTab, QStyleOptionViewItem

List of all members, including inherited members

Public Types

enum	OptionType

Public Functions

	QStyleOption(int optionType = SO_Default)
virtual	~QStyleOption()
void	initFrom(const QWidget *widget)

Public Variables

int	type
QStyle::State	state
QRect	rect
QPalette	palette
QFontMetrics	fontMetrics

Detailed Description

An option carries the rectangle to draw in, the state, the palette and the font metrics. Use initFrom() to set them from a widget. Subclasses add the data that an element needs, such as a text.

See also QStyle and QStyleOptionButton.

Differences from Qt

The members are plain data and there is no version, direction, styleObject or operator=.

Member Type Documentation

enum QStyleOption::OptionType

This enum identifies the kind of an option.

Constant	Description
`QStyleOption::SO_Default`	A plain option.
`QStyleOption::SO_Button`	A QStyleOptionButton.
`QStyleOption::SO_Frame`	A QStyleOptionFrame.
`QStyleOption::SO_Slider`	A QStyleOptionSlider.
`QStyleOption::SO_ProgressBar`	A QStyleOptionProgressBar.
`QStyleOption::SO_Tab`	A QStyleOptionTab.
`QStyleOption::SO_ComboBox`	A QStyleOptionComboBox.
`QStyleOption::SO_SpinBox`	A QStyleOptionSpinBox.
`QStyleOption::SO_GroupBox`	A QStyleOptionGroupBox.
`QStyleOption::SO_Header`	A QStyleOptionHeader.
`QStyleOption::SO_MenuItem`	A QStyleOptionMenuItem.
`QStyleOption::SO_ViewItem`	A QStyleOptionViewItem.

Member Function Documentation

[explicit] QStyleOption::QStyleOption(int optionType = SO_Default)

Constructs an option of the given optionType.

[virtual] QStyleOption::~QStyleOption()

Destroys the option.

void QStyleOption::initFrom(const QWidget **widget*)

Sets the state, rectangle, palette and font metrics of the option from widget.

Member Variable Documentation

QFontMetrics QStyleOption::fontMetrics

The metrics of the font of the widget.

QPalette QStyleOption::palette

The palette to draw with.

QRect QStyleOption::rect

The rectangle to draw in.

QStyle::State QStyleOption::state

The state of the element.

int QStyleOption::type

The kind of the option, a value of OptionType.