QStyleOptionQ3ListView Class

The QStyleOptionQ3ListView class is used to describe the parameters for drawing a Q3ListView . 更多...

頭：	#include <QStyleOptionQ3ListView>
繼承：	QStyleOptionComplex

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公共類型

enum	StyleOptionType { Type }
enum	StyleOptionVersion { Version }

公共函數

	QStyleOptionQ3ListView ()
	QStyleOptionQ3ListView (const QStyleOptionQ3ListView & other )

2 公共函數繼承自 QStyleOption

公共變量

int	itemMargin
QList<QStyleOptionQ3ListViewItem>	items
bool	rootIsDecorated
int	sortColumn
int	treeStepSize
QPalette::ColorRole	viewportBGRole
QPalette	viewportPalette

2 public variables inherited from QStyleOptionComplex
7 public variables inherited from QStyleOption

詳細描述

The QStyleOptionQ3ListView class is used to describe the parameters for drawing a Q3ListView .

This class is used for drawing the compatibility Q3ListView . It is not recommended for new classes .

QStyleOptionQ3ListView contains all the information that QStyle 函數需要繪製 Q3ListView .

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.

對於可以如何使用樣式選項的演示範例，見樣式範例。

另請參閱 QStyleOptionComplex , Q3ListView ，和 QStyleOptionQ3ListViewItem .

成員類型文檔編製

enum QStyleOptionQ3ListView:: StyleOptionType

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

常量	值	描述
`QStyleOptionQ3ListView::Type`	`SO_Q3ListView`	提供樣式選項的類型 ( SO_Q3ListView 對於此類)。

類型內部使用通過 QStyleOption ，其子類，和 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.

另請參閱 StyleOptionVersion .

enum QStyleOptionQ3ListView:: StyleOptionVersion

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

常量	值	描述
`QStyleOptionQ3ListView::Version`	`1`	1

版本的使用通過 QStyleOption 子類以實現擴展在不破壞兼容性的情況下。若使用 qstyleoption_cast ()，通常不需要校驗它。

另請參閱 StyleOptionType .

成員函數文檔編製

QStyleOptionQ3ListView:: QStyleOptionQ3ListView ()

創建 QStyleOptionQ3ListView , initializing the members variables to their default values.

QStyleOptionQ3ListView:: QStyleOptionQ3ListView (const QStyleOptionQ3ListView & other )

構造副本為 other 樣式選項。

成員變量文檔編製

int QStyleOptionQ3ListView:: itemMargin

This variable holds the margin for items in the list view.

默認值為 0。

另請參閱 Q3ListView::itemMargin ().

QList < QStyleOptionQ3ListViewItem > QStyleOptionQ3ListView:: items

This variable holds a list of items in the Q3ListView.

This is a list of QStyleOptionQ3ListViewItem s. The first item can be used for most of the calculation that are needed for drawing a list view. Any additional items are the children of this first item, which may be used for additional information.

另請參閱 QStyleOptionQ3ListViewItem .