# QStyleOptionToolButton Class Reference
## [[QtGui](index.htm) module]
该QStyleOptionToolButton类是用来描述的参数绘制工具按钮。[More...](#details)
继承[QStyleOptionComplex](qstyleoptioncomplex.html)。
### Types
* `enum StyleOptionType { Type }`
* `enum StyleOptionVersion { Version }`
* `enum ToolButtonFeature { None, Arrow, Menu, PopupDelay, MenuButtonPopup, HasMenu }`
* `class **[ToolButtonFeatures](index.htm)**`
### Methods
* `__init__ (self)`
* `__init__ (self, QStyleOptionToolButton other)`
### Members
* `Qt.ArrowType **[arrowType](qstyleoptiontoolbutton.html#arrowType-var)**`
* `ToolButtonFeatures **[features](qstyleoptiontoolbutton.html#features-var)**`
* `QFont **[font](qstyleoptiontoolbutton.html#font-var)**`
* `QIcon **[icon](qstyleoptiontoolbutton.html#icon-var)**`
* `QSize **[iconSize](qstyleoptiontoolbutton.html#iconSize-var)**`
* `QPoint **[pos](qstyleoptiontoolbutton.html#pos-var)**`
* `QString **[text](qstyleoptiontoolbutton.html#text-var)**`
* `Qt.ToolButtonStyle **[toolButtonStyle](qstyleoptiontoolbutton.html#toolButtonStyle-var)**`
* * *
## Detailed Description
该QStyleOptionToolButton类是用来描述的参数绘制工具按钮。
QStyleOptionToolButton包含的所有信息,[QStyle](qstyle.html)功能需要绘制[QToolButton](qtoolbutton.html)。
出于性能方面的原因,访问成员变量是直接的(即使用`.` or `->`操作符)。这种低层次的感觉,使结构简单的使用,并强调这些只是所用的样式函数的参数。
举一个例子展示风格选择如何使用,请参阅[Styles](index.htm)例子。
* * *
## Type Documentation
```
QStyleOptionToolButton.StyleOptionType
```
此枚举是用来保存有关样式选项的类型信息,并定义每个[QStyleOption](qstyleoption.html)子类。
| Constant | Value | Description |
| --- | --- | --- |
| `QStyleOptionToolButton.Type` | `SO_ToolButton` | 风格选择该类型提供([SO_ToolButton](qstyleoption.html#OptionType-enum)这个类) 。 |
该类型在内部使用[QStyleOption](qstyleoption.html),它的子类,并[qstyleoption_cast](qstyleoption.html#qstyleoption_cast)()来确定的样式选项的类型。一般来说,你不需要担心这个,除非你想创建自己的[QStyleOption](qstyleoption.html)子类和你自己的风格。
**See also** [StyleOptionVersion](qstyleoptiontoolbutton.html#StyleOptionVersion-enum)。
```
QStyleOptionToolButton.StyleOptionVersion
```
此枚举是用来保存有关样式选项的版本信息,并定义每个[QStyleOption](qstyleoption.html)子类。
| Constant | Value | Description |
| --- | --- | --- |
| `QStyleOptionToolButton.Version` | `1` | 1 |
的版本是由[QStyleOption](qstyleoption.html)子类实现不破坏兼容性扩展。如果你使用[qstyleoption_cast](qstyleoption.html#qstyleoption_cast)( ) ,你通常并不需要检查它。
**See also** [StyleOptionType](qstyleoptiontoolbutton.html#StyleOptionType-enum)。
```
QStyleOptionToolButton.ToolButtonFeature
```
描述了一个工具按钮可以具有的各种功能。
| Constant | Value | Description |
| --- | --- | --- |
| `QStyleOptionToolButton.None` | `0x00` | 一个正常的工具按钮。 |
| `QStyleOptionToolButton.Arrow` | `0x01` | 工具按钮是一个箭头。 |
| `QStyleOptionToolButton.Menu` | `0x04` | 工具按钮有一个菜单。 |
| `QStyleOptionToolButton.PopupDelay` | `0x08` | 有一个延迟,以显示菜单。 |
| `QStyleOptionToolButton.HasMenu` | `0x10` | 该按钮有一个弹出式菜单。 |
| `QStyleOptionToolButton.MenuButtonPopup` | `Menu` | 该按钮应显示一个箭头来指示菜单是否存在。 |
该ToolButtonFeatures类型是一个typedef为[QFlags](index.htm)\u003cToolButtonFeature\u003e 。它存储ToolButtonFeature值的或组合。
**See also** [features](qstyleoptiontoolbutton.html#features-var),[QToolButton.toolButtonStyle](qtoolbutton.html#toolButtonStyle-prop)()和[QToolButton.popupMode](qtoolbutton.html#popupMode-prop)( ) 。
* * *
## Method Documentation
```
QStyleOptionToolButton.__init__ (self)
```
构造一个[QStyleOptionToolButton](qstyleoptiontoolbutton.html),初始化成员变量,它们的默认值。
```
QStyleOptionToolButton.__init__ (self, QStyleOptionToolButton other)
```
构造的一个副本_other_样式选项。
* * *
## Member Documentation
```
Qt.ArrowType arrowType
```
[
这个变量保存的箭头工具按钮的方向。
](qt.html#ArrowType-enum)
[此值仅用于](qt.html#ArrowType-enum)[features](qstyleoptiontoolbutton.html#features-var)包括[Arrow](qstyleoptiontoolbutton.html#ToolButtonFeature-enum)。缺省值是[Qt.DownArrow](qt.html#ArrowType-enum)。
```
ToolButtonFeatures features
```
[
这个变量保存的工具按钮的功能,一个OR组合。
](index.htm)
[缺省值是](index.htm)[None](qstyleoptiontoolbutton.html#ToolButtonFeature-enum)。
**See also** [ToolButtonFeature](qstyleoptiontoolbutton.html#ToolButtonFeature-enum)。
```
QFont font
```
[
这个变量保存了用于文本的字体。
](qfont.html)
[此值仅用于](qfont.html)[toolButtonStyle](qstyleoptiontoolbutton.html#toolButtonStyle-var) is [Qt.ToolButtonTextUnderIcon](qt.html#ToolButtonStyle-enum),[Qt.ToolButtonTextBesideIcon](qt.html#ToolButtonStyle-enum)或[Qt.ToolButtonTextOnly](qt.html#ToolButtonStyle-enum)。默认情况下,应用程序的默认字体。
```
QIcon icon
```
[
这个变量保存了工具按钮的图标。
默认值是一个空的图标,即与既不是像素图,也不是一个文件名的图标。
](qicon.html)
[**See also**](qicon.html) [iconSize](qstyleoptiontoolbutton.html#iconSize-var)。
```
QSize iconSize
```
[
这个变量保存的工具按钮图标的大小。
](qsize.html)
[缺省值是](qsize.html)[QSize](qsize.html)( -1,-1) ,即,一个无效的大小。
```
QPoint pos
```
[
这个变量保存工具按钮的位置。
默认值是空点,即( 0,0)
```
QString text
```
这个变量保存工具按钮的文本。
](qpoint.html)
[此值仅用于](qpoint.html)[toolButtonStyle](qstyleoptiontoolbutton.html#toolButtonStyle-var) is [Qt.ToolButtonTextUnderIcon](qt.html#ToolButtonStyle-enum),[Qt.ToolButtonTextBesideIcon](qt.html#ToolButtonStyle-enum)或[Qt.ToolButtonTextOnly](qt.html#ToolButtonStyle-enum)。默认值是一个空字符串。
```
Qt.ToolButtonStyle toolButtonStyle
```
[
这个变量保存一个Qt.ToolButtonStyle值描述工具按钮的外观。
](qt.html#ToolButtonStyle-enum)
[缺省值是](qt.html#ToolButtonStyle-enum)[Qt.ToolButtonIconOnly](qt.html#ToolButtonStyle-enum)。
**See also** [QToolButton.toolButtonStyle](qtoolbutton.html#toolButtonStyle-prop)( ) 。
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- QVariantAnimation Class Reference
- QVBoxLayout Class Reference
- QVector2D Class Reference
- QVector3D Class Reference
- QVector4D Class Reference
- QVideoFrame Class Reference
- QVideoSurfaceFormat Class Reference
- QWaitCondition Class Reference
- QWebDatabase Class Reference
- QWebElement Class Reference
- QWebElementCollection Class Reference
- QWebFrame Class Reference
- QWebHistory Class Reference
- QWebHistoryInterface Class Reference
- QWebHistoryItem Class Reference
- QWebHitTestResult Class Reference
- QWebInspector Class Reference
- QWebPage Class Reference
- QWebPluginFactory Class Reference
- QWebSecurityOrigin Class Reference
- QWebSettings Class Reference
- QWebView Class Reference
- QWhatsThis Class Reference
- QWhatsThisClickedEvent Class Reference
- QWheelEvent Class Reference
- QWidget Class Reference
- QWidgetAction Class Reference
- QWidgetItem Class Reference
- QWindowStateChangeEvent Class Reference
- QWizard Class Reference
- QWizardPage Class Reference
- QWorkspace Class Reference
- QWriteLocker Class Reference
- QX11EmbedContainer Class Reference
- QX11EmbedWidget Class Reference
- QX11Info Class Reference
- QXmlAttributes Class Reference
- QXmlContentHandler Class Reference
- QXmlDeclHandler Class Reference
- QXmlDefaultHandler Class Reference
- QXmlDTDHandler Class Reference
- QXmlEntityResolver Class Reference
- QXmlErrorHandler Class Reference
- QXmlFormatter Class Reference
- QXmlInputSource Class Reference
- QXmlItem Class Reference
- QXmlLexicalHandler Class Reference
- QXmlLocator Class Reference
- QXmlName Class Reference
- QXmlNamePool Class Reference
- QXmlNamespaceSupport Class Reference
- QXmlNodeModelIndex Class Reference
- QXmlParseException Class Reference
- QXmlQuery Class Reference
- QXmlReader Class Reference
- QXmlResultItems Class Reference
- QXmlSchema Class Reference
- QXmlSchemaValidator Class Reference
- QXmlSerializer Class Reference
- QXmlSimpleReader Class Reference
- QXmlStreamAttribute Class Reference
- QXmlStreamAttributes Class Reference
- QXmlStreamEntityDeclaration Class Reference
- QXmlStreamEntityResolver Class Reference
- QXmlStreamNamespaceDeclaration Class Reference
- QXmlStreamNotationDeclaration Class Reference
- QXmlStreamReader Class Reference
- QXmlStreamWriter Class Reference