# QX11Info Class Reference
## [[QtGui](index.htm) module]
该QX11Info类提供有关X显示配置信息。[More...](#details)
### Methods
* `__init__ (self)`
* `__init__ (self, QX11Info other)`
* `int cells (self)`
* `int colormap (self)`
* `bool defaultColormap (self)`
* `bool defaultVisual (self)`
* `int depth (self)`
* `int screen (self)`
* `sip.voidptr visual (self)`
### Static Methods
* `int appCells (int screen = -1)`
* `str appClass ()`
* `int appColormap (int screen = -1)`
* `bool appDefaultColormap (int screen = -1)`
* `bool appDefaultVisual (int screen = -1)`
* `int appDepth (int screen = -1)`
* `int appDpiX (int screen = -1)`
* `int appDpiY (int screen = -1)`
* `int appRootWindow (int screen = -1)`
* `int appScreen ()`
* `int appTime ()`
* `int appUserTime ()`
* `sip.voidptr appVisual (int screen = -1)`
* `Display display ()`
* `bool isCompositingManagerRunning ()`
* `setAppDpiX (int screen, int dpi)`
* `setAppDpiY (int screen, int dpi)`
* `setAppTime (int time)`
* `setAppUserTime (int time)`
* * *
## Detailed Description
该QX11Info类提供有关X显示配置信息。
这个类提供了两个API :一组非静态函数,提供有关特定部件或像素图的信息,和一组静态函数提供的默认信息的应用程序。
**Warning:**这个类仅适用于X11 。对于一个可移植的方式,使用查询每个屏幕信息[QDesktopWidget](qdesktopwidget.html)。
* * *
## Method Documentation
```
QX11Info.__init__ (self)
```
构造一个空[QX11Info](qx11info.html)对象。
```
QX11Info.__init__ (self, QX11Info other)
```
构造的副本_other_。
```
int QX11Info.appCells (int screen = -1)
```
返回在给定的应用程序所使用的细胞数_screen_。
该_screen_参数是一个X屏幕号。请注意,如果用户的系统使用的Xinerama (相对于传统的X11多屏幕) ,只有一个X屏幕。使用[QDesktopWidget](qdesktopwidget.html)查询有关的Xinerama屏幕上的信息。
**See also** [cells](qx11info.html#cells)( ) 。
```
str QX11Info.appClass ()
```
返回X11的应用程序类。
**See also** [display](qx11info.html#display)( ) 。
```
int QX11Info.appColormap (int screen = -1)
```
返回给定的句柄应用程序的彩色地图_screen_。
该_screen_参数是一个X屏幕号。请注意,如果用户的系统使用的Xinerama (相对于传统的X11多屏幕) ,只有一个X屏幕。使用[QDesktopWidget](qdesktopwidget.html)查询有关的Xinerama屏幕上的信息。
**See also** [colormap](qx11info.html#colormap)()和[defaultColormap](qx11info.html#defaultColormap)( ) 。
```
bool QX11Info.appDefaultColormap (int screen = -1)
```
如果应用程序有一个默认的彩色地图上给定的,则返回True_screen_否则返回False 。
该_screen_参数是一个X屏幕号。请注意,如果用户的系统使用的Xinerama (相对于传统的X11多屏幕) ,只有一个X屏幕。使用[QDesktopWidget](qdesktopwidget.html)查询有关的Xinerama屏幕上的信息。
```
bool QX11Info.appDefaultVisual (int screen = -1)
```
如果应用程序有一个默认的视觉上给定的,则返回True_screen_否则返回False 。
该_screen_参数是一个X屏幕号。请注意,如果用户的系统使用的Xinerama (相对于传统的X11多屏幕) ,只有一个X屏幕。使用[QDesktopWidget](qdesktopwidget.html)查询有关的Xinerama屏幕上的信息。
```
int QX11Info.appDepth (int screen = -1)
```
返回在给定的应用程序所使用的颜色深度(每个像素的位数)_screen_。
该_screen_参数是一个X屏幕号。请注意,如果用户的系统使用的Xinerama (相对于传统的X11多屏幕) ,只有一个X屏幕。使用[QDesktopWidget](qdesktopwidget.html)查询有关的Xinerama屏幕上的信息。
**See also** [depth](qx11info.html#depth)( ) 。
```
int QX11Info.appDpiX (int screen = -1)
```
返回给定的水平分辨率_screen_以每英寸的点数表示。
该_screen_参数是一个X屏幕号。请注意,如果用户的系统使用的Xinerama (相对于传统的X11多屏幕) ,只有一个X屏幕。使用[QDesktopWidget](qdesktopwidget.html)查询有关的Xinerama屏幕上的信息。
**See also** [setAppDpiX](qx11info.html#setAppDpiX)()和[appDpiY](qx11info.html#appDpiY)( ) 。
```
int QX11Info.appDpiY (int screen = -1)
```
返回给定的垂直分辨率_screen_以每英寸的点数表示。
该_screen_参数是一个X屏幕号。请注意,如果用户的系统使用的Xinerama (相对于传统的X11多屏幕) ,只有一个X屏幕。使用[QDesktopWidget](qdesktopwidget.html)查询有关的Xinerama屏幕上的信息。
**See also** [setAppDpiY](qx11info.html#setAppDpiY)()和[appDpiX](qx11info.html#appDpiX)( ) 。
```
int QX11Info.appRootWindow (int screen = -1)
```
返回给定的句柄应用程序根窗口_screen_。
该_screen_参数是一个X屏幕号。请注意,如果用户的系统使用的Xinerama (相对于传统的X11多屏幕) ,只有一个X屏幕。使用[QDesktopWidget](qdesktopwidget.html)查询有关的Xinerama屏幕上的信息。
**See also** [QApplication.desktop](qapplication.html#desktop)( ) 。
```
int QX11Info.appScreen ()
```
返回正在显示的应用程序,其中该屏幕的数量。
**See also** [display](qx11info.html#display)()和[screen](qx11info.html#screen)( ) 。
```
int QX11Info.appTime ()
```
返回X11的时间。
**See also** [setAppTime](qx11info.html#setAppTime)()和[appUserTime](qx11info.html#appUserTime)( ) 。
```
int QX11Info.appUserTime ()
```
返回X11的用户时间。
**See also** [setAppUserTime](qx11info.html#setAppUserTime)()和[appTime](qx11info.html#appTime)( ) 。
```
sip.voidptr QX11Info.appVisual (int screen = -1)
```
返回当前视觉所使用的应用程序在给定的_screen_。
该_screen_参数是一个X屏幕号。请注意,如果用户的系统使用的Xinerama (相对于传统的X11多屏幕) ,只有一个X屏幕。使用[QDesktopWidget](qdesktopwidget.html)查询有关的Xinerama屏幕上的信息。
**See also** [visual](qx11info.html#visual)()和[defaultVisual](qx11info.html#defaultVisual)( ) 。
```
int QX11Info.cells (self)
```
返回单元的数目。
**See also** [appCells](qx11info.html#appCells)( ) 。
```
int QX11Info.colormap (self)
```
返回的句柄彩色地图。
**See also** [defaultColormap](qx11info.html#defaultColormap)( ) 。
```
bool QX11Info.defaultColormap (self)
```
返回True如果有一个默认的彩色地图,否则返回False 。
**See also** [colormap](qx11info.html#colormap)( ) 。
```
bool QX11Info.defaultVisual (self)
```
返回True如果有一个默认的视觉享受;否则返回False。
**See also** [visual](qx11info.html#visual)()和[appVisual](qx11info.html#appVisual)( ) 。
```
int QX11Info.depth (self)
```
返回X显示的色彩深度(每像素位数) 。
**See also** [appDepth](qx11info.html#appDepth)( ) 。
```
Display QX11Info.display ()
```
返回默认显示为应用程序。
**See also** [appScreen](qx11info.html#appScreen)( ) 。
```
bool QX11Info.isCompositingManagerRunning ()
```
返回True如果有一个合成器上运行。
此功能被引入Qt的4.4 。
```
int QX11Info.screen (self)
```
把屏幕返回当前正在使用的数量。
返回值是一个X屏幕号。请注意,如果用户的系统使用的Xinerama (相对于传统的X11多屏幕) ,只有一个X屏幕。使用[QDesktopWidget](qdesktopwidget.html)查询有关的Xinerama屏幕上的信息。
**See also** [appScreen](qx11info.html#appScreen)( ) 。
```
QX11Info.setAppDpiX (int screen, int dpi)
```
设定的给定的水平分辨率_screen_以通过指定每英寸的点数_xdpi_。
该_screen_参数是一个X屏幕号。请注意,如果用户的系统使用的Xinerama (相对于传统的X11多屏幕) ,只有一个X屏幕。使用[QDesktopWidget](qdesktopwidget.html)查询有关的Xinerama屏幕上的信息。
**See also** [appDpiX](qx11info.html#appDpiX)()和[setAppDpiY](qx11info.html#setAppDpiY)( ) 。
```
QX11Info.setAppDpiY (int screen, int dpi)
```
设定的给定的垂直分辨率_screen_以通过指定每英寸的点数_ydpi_。
该_screen_参数是一个X屏幕号。请注意,如果用户的系统使用的Xinerama (相对于传统的X11多屏幕) ,只有一个X屏幕。使用[QDesktopWidget](qdesktopwidget.html)查询有关的Xinerama屏幕上的信息。
**See also** [appDpiY](qx11info.html#appDpiY)()和[setAppDpiX](qx11info.html#setAppDpiX)( ) 。
```
QX11Info.setAppTime (int time)
```
设置X11的时间由指定的值_time_。
**See also** [appTime](qx11info.html#appTime)()和[setAppUserTime](qx11info.html#setAppUserTime)( ) 。
```
QX11Info.setAppUserTime (int time)
```
设置所指定的X11用户时间_time_。
**See also** [appUserTime](qx11info.html#appUserTime)()和[setAppTime](qx11info.html#setAppTime)( ) 。
```
sip.voidptr QX11Info.visual (self)
```
返回当前视觉。
**See also** [appVisual](qx11info.html#appVisual)()和[defaultVisual](qx11info.html#defaultVisual)( ) 。
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- QString Class Reference
- QStringList Class Reference
- QStringListModel Class Reference
- QStringMatcher Class Reference
- QStringRef Class Reference
- QStyle Class Reference
- QStyledItemDelegate Class Reference
- QStyleFactory Class Reference
- QStyleHintReturn Class Reference
- QStyleHintReturnMask Class Reference
- QStyleHintReturnVariant Class Reference
- QStyleOption Class Reference
- QStyleOptionButton Class Reference
- QStyleOptionComboBox Class Reference
- QStyleOptionComplex Class Reference
- QStyleOptionDockWidget Class Reference
- QStyleOptionDockWidgetV2 Class Reference
- QStyleOptionFocusRect Class Reference
- QStyleOptionFrame Class Reference
- QStyleOptionFrameV2 Class Reference
- QStyleOptionFrameV3 Class Reference
- QStyleOptionGraphicsItem Class Reference
- QStyleOptionGroupBox Class Reference
- QStyleOptionHeader Class Reference
- QStyleOptionMenuItem Class Reference
- QStyleOptionProgressBar Class Reference
- QStyleOptionProgressBarV2 Class Reference
- QStyleOptionRubberBand Class Reference
- QStyleOptionSizeGrip Class Reference
- QStyleOptionSlider Class Reference
- QStyleOptionSpinBox Class Reference
- QStyleOptionTab Class Reference
- QStyleOptionTabBarBase Class Reference
- QStyleOptionTabBarBaseV2 Class Reference
- QStyleOptionTabV2 Class Reference
- QStyleOptionTabV3 Class Reference
- QStyleOptionTabWidgetFrame Class Reference
- QStyleOptionTabWidgetFrameV2 Class Reference
- QStyleOptionTitleBar Class Reference
- QStyleOptionToolBar Class Reference
- QStyleOptionToolBox Class Reference
- QStyleOptionToolBoxV2 Class Reference
- QStyleOptionToolButton Class Reference
- QStyleOptionViewItem Class Reference
- QStyleOptionViewItemV2 Class Reference
- QStyleOptionViewItemV3 Class Reference
- QStyleOptionViewItemV4 Class Reference
- QStylePainter Class Reference
- QSvgGenerator Class Reference
- QSvgRenderer Class Reference
- QSvgWidget Class Reference
- QSwipeGesture Class Reference
- QSyntaxHighlighter Class Reference
- QSysInfo Class Reference
- QSystemLocale Class Reference
- QSystemSemaphore Class Reference
- QSystemTrayIcon Class Reference
- Qt Class Reference
- QTabBar Class Reference
- QTabletEvent Class Reference
- QTableView Class Reference
- QTableWidget Class Reference
- QTableWidgetItem Class Reference
- QTableWidgetSelectionRange Class Reference
- QTabWidget Class Reference
- QTapAndHoldGesture Class Reference
- QTapGesture Class Reference
- QTcpServer Class Reference
- QTcpSocket Class Reference
- QTemporaryFile Class Reference
- QTest Class Reference
- QTextBlock Class Reference
- QTextBlockFormat Class Reference
- QTextBlockGroup Class Reference
- QTextBlockUserData Class Reference
- QTextBoundaryFinder Class Reference
- QTextBrowser Class Reference
- QTextCharFormat Class Reference
- QTextCodec Class Reference
- QTextCursor Class Reference
- QTextDecoder Class Reference
- QTextDocument Class Reference
- QTextDocumentFragment Class Reference
- QTextDocumentWriter Class Reference
- QTextEdit Class Reference
- QTextEncoder Class Reference
- QTextFormat Class Reference
- QTextFragment Class Reference
- QTextFrame Class Reference
- QTextFrameFormat Class Reference
- QTextImageFormat Class Reference
- QTextInlineObject Class Reference
- QTextItem Class Reference
- QTextLayout Class Reference
- QTextLength Class Reference
- QTextLine Class Reference
- QTextList Class Reference
- QTextListFormat Class Reference
- QTextObject Class Reference
- QTextObjectInterface Class Reference
- QTextOption Class Reference
- QTextStream Class Reference
- QTextTable Class Reference
- QTextTableCell Class Reference
- QTextTableCellFormat Class Reference
- QTextTableFormat Class Reference
- QThread Class Reference
- QThreadPool Class Reference
- QTime Class Reference
- QTimeEdit Class Reference
- QTimeLine Class Reference
- QTimer Class Reference
- QTimerEvent Class Reference
- QToolBar Class Reference
- QToolBox Class Reference
- QToolButton Class Reference
- QToolTip Class Reference
- QTouchEvent Class Reference
- Reference
- QTransform Class Reference
- QTranslator Class Reference
- QTreeView Class Reference
- QTreeWidget Class Reference
- QTreeWidgetItem Class Reference
- QTreeWidgetItemIterator Class Reference
- QUdpSocket Class Reference
- QUndoCommand Class Reference
- QUndoGroup Class Reference
- QUndoStack Class Reference
- QUndoView Class Reference
- QUrl Class Reference
- QUrlInfo Class Reference
- QUuid Class Reference
- QValidator Class Reference
- QVariant Class Reference
- 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