# QFontMetricsF Class Reference
## [[QtGui](index.htm) module]
该QFontMetricsF类提供的字体度量信息。[More...](#details)
### Methods
* `__init__ (self, QFont)`
* `__init__ (self, QFont, QPaintDevice pd)`
* `__init__ (self, QFontMetrics)`
* `__init__ (self, QFontMetricsF)`
* `float ascent (self)`
* `float averageCharWidth (self)`
* `QRectF boundingRect (self, QChar)`
* `QRectF boundingRect (self, QString string)`
* `QRectF boundingRect (self, QRectF rect, int flags, QString text, int tabStops = 0, list-of-int tabArray = 0)`
* `QRectF boundingRectChar (self, QChar)`
* `float descent (self)`
* `QString elidedText (self, QString text, Qt.TextElideMode mode, float width, int flags = 0)`
* `float height (self)`
* `bool inFont (self, QChar)`
* `bool inFontUcs4 (self, int character)`
* `float leading (self)`
* `float leftBearing (self, QChar)`
* `float lineSpacing (self)`
* `float lineWidth (self)`
* `float maxWidth (self)`
* `float minLeftBearing (self)`
* `float minRightBearing (self)`
* `float overlinePos (self)`
* `float rightBearing (self, QChar)`
* `QSizeF size (self, int flags, QString text, int tabStops = 0, list-of-int tabArray = 0)`
* `float strikeOutPos (self)`
* `QRectF tightBoundingRect (self, QString text)`
* `float underlinePos (self)`
* `float width (self, QChar)`
* `float width (self, QString string)`
* `float widthChar (self, QChar)`
* `float xHeight (self)`
### Special Methods
* `bool __eq__ (self, QFontMetricsF other)`
* `bool __ne__ (self, QFontMetricsF other)`
* * *
## Detailed Description
该QFontMetricsF类提供的字体度量信息。
QFontMetricsF函数计算字符和字符串给定字体的大小。你可以构造一个QFontMetricsF对象与现有[QFont](qfont.html)获得指标的字体。如果字体是后来改，字体规格对象_not_更新。
一旦创建，该对象提供了访问字体，它的字符，并在字体渲染字符串的各个指标。
有迹象表明，在字体上运行几个功能：[ascent](qfontmetricsf.html#ascent)（ ）[descent](qfontmetricsf.html#descent)（ ）[height](qfontmetricsf.html#height)（ ）[leading](qfontmetricsf.html#leading)（）和[lineSpacing](qfontmetricsf.html#lineSpacing)（ ）返回字体的基本大小属性。该[underlinePos](qfontmetricsf.html#underlinePos)（ ）[overlinePos](qfontmetricsf.html#overlinePos)（ ）[strikeOutPos](qfontmetricsf.html#strikeOutPos)（）和[lineWidth](qfontmetricsf.html#lineWidth)（ ）函数，返回强调， overlines或撞击出的字符的行的属性。这些功能都是快。
也有一些对集合中的字体字形的操作一些功能：[minLeftBearing](qfontmetricsf.html#minLeftBearing)（ ）[minRightBearing](qfontmetricsf.html#minRightBearing)（）和[maxWidth](qfontmetricsf.html#maxWidth)（ ） 。这些都是必然缓慢，我们建议避免他们，如果可能的。
对于每一个字符，就可以得到其[width](qfontmetricsf.html#width)（ ）[leftBearing](qfontmetricsf.html#leftBearing)（）和[rightBearing](qfontmetricsf.html#rightBearing)（ ），并找出是否是在使用字体[inFont](qfontmetricsf.html#inFont)（ ） 。您也可以把字符作为字符串，并使用字符串函数就可以了。
字符串函数包括：[width](qfontmetricsf.html#width)（） ，返回字符串的宽度以像素为单位（或点，用于打印机）[boundingRect](qfontmetricsf.html#boundingRect)（ ）返回一个矩形足够大，以包含所呈现的串，并[size](qfontmetricsf.html#size)（） ，以返回该矩形的大小。
例如：
```
[QFont](qfont.html) font("times", 24);
QFontMetricsF fm(font);
[qreal](index.htm#qreal-typedef) pixelsWide = fm.width("What's the width of this text?");
[qreal](index.htm#qreal-typedef) pixelsHigh = fm.height();
```
* * *
## Method Documentation
```
QFontMetricsF.__init__ (self, QFont)
```
构造一个字体规格对象为_font_。
字体规格将与用于创建paintdevice兼容_font_。
字体规格对象持有，在它被创建的时候被传递在构造函数中的字体的信息，并且不更新，如果字体的属性后来改。
使用[QFontMetricsF](qfontmetricsf.html)（常量[QFont](qfont.html)＆ ，[QPaintDevice](qpaintdevice.html)*）来获取字体度量标准，具有一定的绘图设备兼容。
```
QFontMetricsF.__init__ (self, QFont, QPaintDevice pd)
```
构造一个字体规格对象为_font_和_paintdevice_。
字体规格将与通过paintdevice兼容。如果_paintdevice_为0时，度量将屏幕兼容的，即得。你得到，如果你使用的字体在绘制文本的指标[widgets](qwidget.html) or [pixmaps](qpixmap.html)，而不是在[QPicture](qpicture.html) or [QPrinter](qprinter.html)。
字体规格对象持有，在它被创建的时候被传递在构造函数中的字体的信息，并且不更新，如果字体的属性后来改。
```
QFontMetricsF.__init__ (self, QFontMetrics)
```
构造一个字体规格与从给定的浮点精度反对_fontMetrics_对象。
这个函数中引入了Qt 4.2中。
```
QFontMetricsF.__init__ (self, QFontMetricsF)
```
构造的副本_fm_。
```
float QFontMetricsF.ascent (self)
```
返回字体的上升。
字体的上升是从基线到最高位置的字符延伸到距离。在实践中，有些字体设计师打破了这个规则，如当他们把一个以上的口音就一个字之上，或者以适应异国的语言不同寻常的性格，所以它是可能的（虽然很少） ，这个值将是太小了。
**See also** [descent](qfontmetricsf.html#descent)（ ） 。
```
float QFontMetricsF.averageCharWidth (self)
```
返回字形在字体的平均宽度。
这个函数中引入了Qt 4.2中。
```
QRectF QFontMetricsF.boundingRect (self, QChar)
```
[
返回字符的边框由指定的字符串中_text_。边界矩形总是至少复盖的像素集合的文本将涵盖如果画在（ 0 ， 0 ） 。
](qrectf.html)
[注意，边框可以延伸到的（0，0 ），例如左斜体字体，返回的矩形的宽度可能比什么不同](qrectf.html)[width](qfontmetricsf.html#width)（ ）方法返回。
如果你想知道字符串的超前宽度（布局彼此相邻一组字符串） ，使用[width](qfontmetricsf.html#width)（ ）来代替。
换行符的处理方法与普通字符，_not_作为换行符。
的边界矩形的高度至少一样大的返回值[height](qfontmetricsf.html#height)（ ） 。
**See also** [width](qfontmetricsf.html#width)（ ）[height](qfontmetricsf.html#height)（）和[QPainter.boundingRect](qpainter.html#boundingRect)（ ） 。
```
QRectF QFontMetricsF.boundingRect (self, QString string)
```
[
返回字符的边框_ch_相对于在基准线的最左边的点。
注意，边框可以延伸到的（0，0 ），例如左斜体字体和文本输出可以复盖_all_像素的边界矩形。
请注意，矩形通常既基线的上方和下方延伸。
](qrectf.html)
[**See also**](qrectf.html) [width](qfontmetricsf.html#width)（ ） 。
```
QRectF QFontMetricsF.boundingRect (self, QRectF rect, int flags, QString text, int tabStops = 0, list-of-int tabArray = 0)
```
[
该_tabArray_参数也可能没有。
这是一个重载函数。
返回字符的边框在给定的_text_。这是一组像素的限制时，由指定的矩形边界的文本将涵盖若拉_rect_。
该_flags_参数是下列标志的按位或：
](qrectf.html)
[](qrectf.html)
* [](qrectf.html)[Qt.AlignLeft](qt.html#AlignmentFlag-enum) aligns to the left border, except for Arabic and Hebrew where it aligns to the right.
* [Qt.AlignRight](qt.html#AlignmentFlag-enum) aligns to the right border, except for Arabic and Hebrew where it aligns to the left.
* [Qt.AlignJustify](qt.html#AlignmentFlag-enum) produces justified text.
* [Qt.AlignHCenter](qt.html#AlignmentFlag-enum) aligns horizontally centered.
* [Qt.AlignTop](qt.html#AlignmentFlag-enum) aligns to the top border.
* [Qt.AlignBottom](qt.html#AlignmentFlag-enum) aligns to the bottom border.
* [Qt.AlignVCenter](qt.html#AlignmentFlag-enum) aligns vertically centered
* [Qt.AlignCenter](qt.html#AlignmentFlag-enum) (== `Qt.AlignHCenter | Qt.AlignVCenter`)
* [Qt.TextSingleLine](qt.html#TextFlag-enum) ignores newline characters in the text.
* [Qt.TextExpandTabs](qt.html#TextFlag-enum) expands tabs (see below)
* [Qt.TextShowMnemonic](qt.html#TextFlag-enum) interprets "&x" as <u>x</u>; i.e., underlined.
* [Qt.TextWordWrap](qt.html#TextFlag-enum) breaks the text to fit the rectangle.
[Qt.Horizontal](qt.html#Orientation-enum)对齐默认为[Qt.AlignLeft](qt.html#AlignmentFlag-enum)和垂直对齐方式默认为[Qt.AlignTop](qt.html#AlignmentFlag-enum)。
如果多个水平或几个的垂直对齐的标志被设置，所产生的取向是不确定的。
这些标记被定义[Qt.AlignmentFlag](qt.html#AlignmentFlag-enum)。
If [Qt.TextExpandTabs](qt.html#TextFlag-enum)在设置_flags_，以下行为被用来解释制表符中的文本：
* If _tabArray_ is non-null, it specifies a 0-terminated sequence of pixel-positions for tabs in the text.
* If _tabStops_ is non-zero, it is used as the tab spacing (in pixels).
注意，边框可以延伸到的（0，0 ），例如左斜体字体。
换行字符处理为换行符。
尽管在不同的实际字符的高度，的边界矩形的高度“是”， “是”是相同的。
这个函数返回的边界矩形是有点比由简单的计算较大[boundingRect](qfontmetricsf.html#boundingRect)（）函数。该函数使用[maximum left](qfontmetricsf.html#minLeftBearing)和[right](qfontmetricsf.html#minRightBearing)字体轴承作为是必要的多行文本正确对齐。此外， fontHeight （）和[lineSpacing](qfontmetricsf.html#lineSpacing)（）被用于计算的高度，而不是单个字符的高度。
**See also** [width](qfontmetricsf.html#width)（ ）[QPainter.boundingRect](qpainter.html#boundingRect)（）和[Qt.Alignment](qt.html#AlignmentFlag-enum)。
```
QRectF QFontMetricsF.boundingRectChar (self, QChar)
```
[
```
float QFontMetricsF.descent (self)
```
返回字体的血统。
的下降是从基准线到最低点的字符延伸到距离。 （请注意，这是从X不同，它增加了1个像素。 ）在实践中，有些字体设计师打破了这个规则，如以容纳在一个异乎寻常的语言不寻常的字符，所以它是可能的（虽然很少） ，该值将是太小。
](qrectf.html)
[**See also**](qrectf.html) [ascent](qfontmetricsf.html#ascent)（ ） 。
```
QString QFontMetricsF.elidedText (self, QString text, Qt.TextElideMode mode, float width, int flags = 0)
```
如果字符串_text_比更宽_width_，返回字符串的省略版本（即，在用“ ...... ”一个字符串） 。否则，返回原始字符串。
该_mode_参数指定的文本是省略左侧（如“ ......技术” ） ，中间（例如，“风帆... CH” ） ，或在右边（例如，“ TROL ...” ） 。
该_width_指定以像素为单位，而不是以字符。
该_flags_参数是可选的，并且目前只支持[Qt.TextShowMnemonic](qt.html#TextFlag-enum)作为值。
这个函数中引入了Qt 4.2中。
```
float QFontMetricsF.height (self)
```
返回字体的高度。
这总是等于[ascent](qfontmetricsf.html#ascent)（）+[descent](qfontmetricsf.html#descent)（） 1 （ 1是基准线） 。
**See also** [leading](qfontmetricsf.html#leading)（）和[lineSpacing](qfontmetricsf.html#lineSpacing)（ ） 。
```
bool QFontMetricsF.inFont (self, QChar)
```
返回True如果字符_ch_在字体中的有效字符，否则返回False 。
```
bool QFontMetricsF.inFontUcs4 (self, int character)
```
返回True如果给定的字符_ch_，编码UCS-4/UTF-32 ，是在字体中的有效字符，否则返回False 。
此功能被引入Qt的4.8 。
```
float QFontMetricsF.leading (self)
```
返回字体的领先。
这是自然的线间间距。
**See also** [height](qfontmetricsf.html#height)（）和[lineSpacing](qfontmetricsf.html#lineSpacing)（ ） 。
```
float QFontMetricsF.leftBearing (self, QChar)
```
返回字符的左轴承_ch_在字体。
左边的轴承是从字符的逻辑原点的字符的最左边的像素的右支距离。这个值是负的，如果该字符的像素延伸到逻辑原点的左边。
见宽（[QChar](qchar.html)）这个度量的图形化描述。
**See also** [rightBearing](qfontmetricsf.html#rightBearing)（ ）[minLeftBearing](qfontmetricsf.html#minLeftBearing)（）和[width](qfontmetricsf.html#width)（ ） 。
```
float QFontMetricsF.lineSpacing (self)
```
返回从一个基线的距离下。
该值始终等于[leading](qfontmetricsf.html#leading)（）+[height](qfontmetricsf.html#height)（ ） 。
**See also** [height](qfontmetricsf.html#height)（）和[leading](qfontmetricsf.html#leading)（ ） 。
```
float QFontMetricsF.lineWidth (self)
```
返回下划线和删除线，调整字体的点大小的宽度。
**See also** [underlinePos](qfontmetricsf.html#underlinePos)（ ）[overlinePos](qfontmetricsf.html#overlinePos)（）和[strikeOutPos](qfontmetricsf.html#strikeOutPos)（ ） 。
```
float QFontMetricsF.maxWidth (self)
```
返回最宽的字符的字体的宽度。
```
float QFontMetricsF.minLeftBearing (self)
```
返回字体的最小左轴承。
这是字体中的所有字符的最小leftBearing （字符） 。
请注意，此功能可能会非常缓慢，如果字体很大。
**See also** [minRightBearing](qfontmetricsf.html#minRightBearing)（）和[leftBearing](qfontmetricsf.html#leftBearing)（ ） 。
```
float QFontMetricsF.minRightBearing (self)
```
返回字体的最低右侧轴承。
这是字体中的所有字符的最小rightBearing （字符） 。
请注意，此功能可能会非常缓慢，如果字体很大。
**See also** [minLeftBearing](qfontmetricsf.html#minLeftBearing)（）和[rightBearing](qfontmetricsf.html#rightBearing)（ ） 。
```
float QFontMetricsF.overlinePos (self)
```
返回从基线的距离，其中一个上划线应绘制。
**See also** [underlinePos](qfontmetricsf.html#underlinePos)（ ）[strikeOutPos](qfontmetricsf.html#strikeOutPos)（）和[lineWidth](qfontmetricsf.html#lineWidth)（ ） 。
```
float QFontMetricsF.rightBearing (self, QChar)
```
返回字符的右侧轴承_ch_在字体。
右轴承是由一个后续字符的逻辑原点的最右边的像素的字符的左病房距离。这个值是负的，如果该字符的像素延伸到的权[width](qfontmetricsf.html#width)的字符（） 。
See [width](qfontmetricsf.html#width)（ ）这个指标的图形化描述。
**See also** [leftBearing](qfontmetricsf.html#leftBearing)（ ）[minRightBearing](qfontmetricsf.html#minRightBearing)（）和[width](qfontmetricsf.html#width)（ ） 。
```
QSizeF QFontMetricsF.size (self, int flags, QString text, int tabStops = 0, list-of-int tabArray = 0)
```
[
该_tabArray_参数也可能没有。
返回大小的字符的像素在给定的_text_。
该_flags_参数是下列标志的按位或：
](qsizef.html)
[](qsizef.html)
* [](qsizef.html)[Qt.TextSingleLine](qt.html#TextFlag-enum) ignores newline characters.
* [Qt.TextExpandTabs](qt.html#TextFlag-enum) expands tabs (see below)
* [Qt.TextShowMnemonic](qt.html#TextFlag-enum) interprets "&x" as <u>x</u>; i.e., underlined.
* Qt.TextWordBreak breaks the text to fit the rectangle.
这些标记被定义[Qt.TextFlags](index.htm#TextFlags-typedef)。
If [Qt.TextExpandTabs](qt.html#TextFlag-enum)在设置_flags_，以下行为被用来解释制表符中的文本：
* If _tabArray_ is non-null, it specifies a 0-terminated sequence of pixel-positions for tabs in the text.
* If _tabStops_ is non-zero, it is used as the tab spacing (in pixels).
换行字符处理为换行符。
注意：尽管在不同的实际字符的高度，的边界矩形的高度“是”， “是”是相同的。
**See also** [boundingRect](qfontmetricsf.html#boundingRect)（ ） 。
```
float QFontMetricsF.strikeOutPos (self)
```
返回从基准线的距离，其中应绘制的三振线。
**See also** [underlinePos](qfontmetricsf.html#underlinePos)（ ）[overlinePos](qfontmetricsf.html#overlinePos)（）和[lineWidth](qfontmetricsf.html#lineWidth)（ ） 。
```
QRectF QFontMetricsF.tightBoundingRect (self, QString text)
```
[
返回字符周围紧张的边界矩形被指定的字符串中_text_。边界矩形总是至少复盖的像素集合的文本将涵盖如果画在（ 0 ， 0 ） 。
](qrectf.html)
[注意，边框可以延伸到的（0，0 ），例如左斜体字体，返回的矩形的宽度可能比什么不同](qrectf.html)[width](qfontmetricsf.html#width)（ ）方法返回。
如果你想知道字符串的超前宽度（布局彼此相邻一组字符串） ，使用[width](qfontmetricsf.html#width)（ ）来代替。
换行符的处理方法与普通字符，_not_作为换行符。
**Warning:**调用此方法将是非常缓慢的Windows 。
此功能被引入Qt的4.3 。
**See also** [width](qfontmetricsf.html#width)（ ）[height](qfontmetricsf.html#height)（）和[boundingRect](qfontmetricsf.html#boundingRect)（ ） 。
```
float QFontMetricsF.underlinePos (self)
```
返回从基线的距离，其中一个底线应绘制。
**See also** [overlinePos](qfontmetricsf.html#overlinePos)（ ）[strikeOutPos](qfontmetricsf.html#strikeOutPos)（）和[lineWidth](qfontmetricsf.html#lineWidth)（ ） 。
```
float QFontMetricsF.width (self, QChar)
```
返回的宽度中的字符的像素在给定的_text_。
注意，该值是_not_等于返回的宽度[boundingRect](qfontmetricsf.html#boundingRect)（ ） ，宽（ ），因为[boundingRect](qfontmetricsf.html#boundingRect)（ ）返回一个描述像素的矩形这个字符串将复盖而宽度（ ）返回的距离应在其中绘制的下一个字符串。
**See also** [boundingRect](qfontmetricsf.html#boundingRect)（ ） 。
```
float QFontMetricsF.width (self, QString string)
```
这是一个重载函数。
返回字符的逻辑宽度_ch_以像素为单位。这是一个距离合适后拉随后的字符_ch_。
一些度量中的所述图像中所描述的权利。中央暗矩形复盖的逻辑[width](qfontmetricsf.html#width)每个字符的（ ） 。外苍白的矩形复盖[leftBearing](qfontmetricsf.html#leftBearing)（）和[rightBearing](qfontmetricsf.html#rightBearing)每个字符的（ ） 。注意，在这个特定的字体的“f”的轴承都是负的，而轴承的“o”都是正的。
**Warning:**此功能会产生不正确的结果在一个字符串的中间阿拉伯文字符或无空格标记，作为字形整形和标记的定位是处理字符串时，会发生不能考虑。当实现一个互动的文本控件，使用[QTextLayout](qtextlayout.html)代替。
**See also** [boundingRect](qfontmetricsf.html#boundingRect)（ ） 。
```
float QFontMetricsF.widthChar (self, QChar)
```
```
float QFontMetricsF.xHeight (self)
```
返回字体的'X'的高度。这是常常但不总是相同的字符“X”的高度。
```
bool QFontMetricsF.__eq__ (self, QFontMetricsF other)
```
```
bool QFontMetricsF.__ne__ (self, QFontMetricsF other)
```
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- QCompleter Class Reference
- QConicalGradient Class Reference
- QContextMenuEvent Class Reference
- QCoreApplication Class Reference
- QCryptographicHash Class Reference
- QCursor Class Reference
- QDataStream Class Reference
- QDataWidgetMapper Class Reference
- QDate Class Reference
- QDateEdit Class Reference
- QDateTime Class Reference
- QDateTimeEdit Class Reference
- QDBus Class Reference
- QDBusAbstractAdaptor Class Reference
- QDBusAbstractInterface Class Reference
- QDBusArgument Class Reference
- QDBusConnection Class Reference
- QDBusConnectionInterface Class Reference
- QDBusError Class Reference
- QDBusInterface Class Reference
- QDBusMessage Class Reference
- QDBusObjectPath Class Reference
- QDBusPendingCall Class Reference
- QDBusPendingCallWatcher Class Reference
- QDBusPendingReply Class Reference
- QDBusReply Class Reference
- QDBusServiceWatcher Class Reference
- QDBusSignature Class Reference
- QDBusUnixFileDescriptor Class Reference
- QDBusVariant Class Reference
- QDeclarativeComponent Class Reference
- QDeclarativeContext Class Reference
- QDeclarativeEngine Class Reference
- QDeclarativeError Class Reference
- QDeclarativeExpression Class Reference
- QDeclarativeExtensionPlugin Class Reference
- QDeclarativeImageProvider Class Reference
- QDeclarativeItem Class Reference
- QDeclarativeListReference Class Reference
- QDeclarativeNetworkAccessManagerFactory Class Reference
- QDeclarativeParserStatus Class Reference
- QDeclarativeProperty Class Reference
- QDeclarativePropertyMap Class Reference
- QDeclarativePropertyValueSource Class Reference
- QDeclarativeScriptString Class Reference
- QDeclarativeView Class Reference
- QDesignerActionEditorInterface Class Reference
- QDesignerContainerExtension Class Reference
- QDesignerCustomWidgetCollectionInterface Class Reference
- QDesignerCustomWidgetInterface Class Reference
- QDesignerFormEditorInterface Class Reference
- QDesignerFormWindowCursorInterface Class Reference
- QDesignerFormWindowInterface Class Reference
- QDesignerFormWindowManagerInterface Class Reference
- QDesignerMemberSheetExtension Class Reference
- QDesignerObjectInspectorInterface Class Reference
- QDesignerPropertyEditorInterface Class Reference
- QDesignerPropertySheetExtension Class Reference
- QDesignerTaskMenuExtension Class Reference
- QDesignerWidgetBoxInterface Class Reference
- QDesktopServices Class Reference
- QDesktopWidget Class Reference
- QDial Class Reference
- QDialog Class Reference
- QDialogButtonBox Class Reference
- QDir Class Reference
- QDirIterator Class Reference
- QDirModel Class Reference
- QDockWidget Class Reference
- QDomAttr Class Reference
- QDomCDATASection Class Reference
- QDomCharacterData Class Reference
- QDomComment Class Reference
- QDomDocument Class Reference
- QDomDocumentFragment Class Reference
- QDomDocumentType Class Reference
- QDomElement Class Reference
- QDomEntity Class Reference
- QDomEntityReference Class Reference
- QDomImplementation Class Reference
- QDomNamedNodeMap Class Reference
- QDomNode Class Reference
- QDomNodeList Class Reference
- QDomNotation Class Reference
- QDomProcessingInstruction Class Reference
- QDomText Class Reference
- QDoubleSpinBox Class Reference
- QDoubleValidator Class Reference
- QDrag Class Reference
- QDragEnterEvent Class Reference
- QDragLeaveEvent Class Reference
- QDragMoveEvent Class Reference
- QDropEvent Class Reference
- QDynamicPropertyChangeEvent Class Reference
- QEasingCurve Class Reference
- QElapsedTimer Class Reference
- QErrorMessage Class Reference
- QEvent Class Reference
- QEventLoop Class Reference
- QEventTransition Class Reference
- QExtensionFactory Class Reference
- QExtensionManager Class Reference
- QFile Class Reference
- QFileDialog Class Reference
- QFileIconProvider Class Reference
- QFileInfo Class Reference
- QFileOpenEvent Class Reference
- QFileSystemModel Class Reference
- QFileSystemWatcher Class Reference
- QFinalState Class Reference
- QFocusEvent Class Reference
- QFocusFrame Class Reference
- QFont Class Reference
- QFontComboBox Class Reference
- QFontDatabase Class Reference
- QFontDialog Class Reference
- QFontInfo Class Reference
- QFontMetrics Class Reference
- QFontMetricsF Class Reference
- QFormBuilder Class Reference
- QFormLayout Class Reference
- QFrame Class Reference
- QFSFileEngine Class Reference
- QFtp Class Reference
- QGenericArgument Class Reference
- QGenericReturnArgument Class Reference
- QGesture Class Reference
- QGestureEvent Class Reference
- QGestureRecognizer Class Reference
- QGL Class Reference
- QGLBuffer Class Reference
- QGLColormap Class Reference
- QGLContext Class Reference
- QGLFormat Class Reference
- QGLFramebufferObject Class Reference
- QGLFramebufferObjectFormat Class Reference
- QGLPixelBuffer Class Reference
- QGLShader Class Reference
- QGLShaderProgram Class Reference
- QGLWidget Class Reference
- QGlyphRun Class Reference
- QGradient Class Reference
- QGraphicsAnchor Class Reference
- QGraphicsAnchorLayout Class Reference
- QGraphicsBlurEffect Class Reference
- QGraphicsColorizeEffect Class Reference
- QGraphicsDropShadowEffect Class Reference
- QGraphicsEffect Class Reference
- QGraphicsEllipseItem Class Reference
- QGraphicsGridLayout Class Reference
- QGraphicsItem Class Reference
- QGraphicsItemAnimation Class Reference
- QGraphicsItemGroup Class Reference
- QGraphicsLayout Class Reference
- QGraphicsLayoutItem Class Reference
- QGraphicsLinearLayout Class Reference
- QGraphicsLineItem Class Reference
- QGraphicsObject Class Reference
- QGraphicsOpacityEffect Class Reference
- QGraphicsPathItem Class Reference
- QGraphicsPixmapItem Class Reference
- QGraphicsPolygonItem Class Reference
- QGraphicsProxyWidget Class Reference
- QGraphicsRectItem Class Reference
- QGraphicsRotation Class Reference
- QGraphicsScale Class Reference
- QGraphicsScene Class Reference
- QGraphicsSceneContextMenuEvent Class Reference
- QGraphicsSceneDragDropEvent Class Reference
- QGraphicsSceneEvent Class Reference
- QGraphicsSceneHelpEvent Class Reference
- QGraphicsSceneHoverEvent Class Reference
- QGraphicsSceneMouseEvent Class Reference
- QGraphicsSceneMoveEvent Class Reference
- QGraphicsSceneResizeEvent Class Reference
- QGraphicsSceneWheelEvent Class Reference
- QGraphicsSimpleTextItem Class Reference
- QGraphicsSvgItem Class Reference
- QGraphicsTextItem Class Reference
- QGraphicsTransform Class Reference
- QGraphicsView Class Reference
- QGraphicsWebView Class Reference
- QGraphicsWidget Class Reference
- QGridLayout Class Reference
- QGroupBox Class Reference
- QHBoxLayout Class Reference
- QHeaderView Class Reference
- QHelpContentItem Class Reference
- QHelpContentModel Class Reference
- QHelpContentWidget Class Reference
- QHelpEngine Class Reference
- QHelpEngineCore Class Reference
- QHelpEvent Class Reference
- QHelpIndexModel Class Reference
- QHelpIndexWidget Class Reference
- QHelpSearchEngine Class Reference
- QHelpSearchQuery Class Reference
- QHelpSearchQueryWidget Class Reference
- QHelpSearchResultWidget Class Reference
- QHideEvent Class Reference
- QHistoryState Class Reference
- QHostAddress Class Reference
- QHostInfo Class Reference
- QHoverEvent Class Reference
- QHttp Class Reference
- QHttpHeader Class Reference
- QHttpMultiPart Class Reference
- QHttpPart Class Reference
- QHttpRequestHeader Class Reference
- QHttpResponseHeader Class Reference
- QIcon Class Reference
- QIconDragEvent Class Reference
- QIconEngine Class Reference
- QIconEngineV2 Class Reference
- QIdentityProxyModel Class Reference
- QImage Class Reference
- QImageIOHandler Class Reference
- QImageReader Class Reference
- QImageWriter Class Reference
- QInputContext Class Reference
- QInputContextFactory Class Reference
- QInputDialog Class Reference
- QInputEvent Class Reference
- QInputMethodEvent Class Reference
- QIntValidator Class Reference
- QIODevice Class Reference
- QItemDelegate Class Reference
- QItemEditorCreatorBase Class Reference
- QItemEditorFactory Class Reference
- QItemSelection Class Reference
- QItemSelectionModel Class Reference
- QItemSelectionRange Class Reference
- QKeyEvent Class Reference
- QKeyEventTransition Class Reference
- QKeySequence Class Reference
- QLabel Class Reference
- QLatin1Char Class Reference
- QLatin1String Class Reference
- QLayout Class Reference
- QLayoutItem Class Reference
- QLCDNumber Class Reference
- QLibrary Class Reference
- QLibraryInfo Class Reference
- QLine Class Reference
- QLinearGradient Class Reference
- QLineEdit Class Reference
- QLineF Class Reference
- QListView Class Reference
- QListWidget Class Reference
- QListWidgetItem Class Reference
- QLocale Class Reference
- QLocalServer Class Reference
- QLocalSocket Class Reference
- QMainWindow Class Reference
- QMargins Class Reference
- QMatrix Class Reference
- QMatrix2x2 Class Reference
- QMatrix2x3 Class Reference
- QMatrix2x4 Class Reference
- QMatrix3x2 Class Reference
- QMatrix3x3 Class Reference
- QMatrix3x4 Class Reference
- QMatrix4x2 Class Reference
- QMatrix4x3 Class Reference
- QMatrix4x4 Class Reference
- QMdiArea Class Reference
- QMdiSubWindow Class Reference
- QMenu Class Reference
- QMenuBar Class Reference
- QMessageBox Class Reference
- QMetaClassInfo Class Reference
- QMetaEnum Class Reference
- QMetaMethod Class Reference
- QMetaObject Class Reference
- QMetaProperty Class Reference
- QMetaType Class Reference
- QMimeData Class Reference
- QMimeSource Class Reference
- QModelIndex Class Reference
- QMouseEvent Class Reference
- QMouseEventTransition Class Reference
- QMoveEvent Class Reference
- QMovie Class Reference
- QMutex Class Reference
- QMutexLocker Class Reference
- QNetworkAccessManager Class Reference
- QNetworkAddressEntry Class Reference
- QNetworkCacheMetaData Class Reference
- QNetworkConfiguration Class Reference
- QNetworkConfigurationManager Class Reference
- QNetworkCookie Class Reference
- QNetworkCookieJar Class Reference
- QNetworkDiskCache Class Reference
- QNetworkInterface Class Reference
- QNetworkProxy Class Reference
- QNetworkProxyFactory Class Reference
- QNetworkProxyQuery Class Reference
- QNetworkReply Class Reference
- QNetworkRequest Class Reference
- QNetworkSession Class Reference
- QObject Class Reference
- QObjectCleanupHandler Class Reference
- QPageSetupDialog Class Reference
- QPaintDevice Class Reference
- QPaintEngine Class Reference
- QPaintEngineState Class Reference
- QPainter Class Reference
- QPainterPath Class Reference
- QPainterPathStroker Class Reference
- QPaintEvent Class Reference
- QPalette Class Reference
- QPanGesture Class Reference
- QParallelAnimationGroup Class Reference
- QPauseAnimation Class Reference
- QPen Class Reference
- QPersistentModelIndex Class Reference
- QPicture Class Reference
- QPictureIO Class Reference
- QPinchGesture Class Reference
- QPixmap Class Reference
- QPixmapCache Class Reference
- QPlainTextDocumentLayout Class Reference
- QPlainTextEdit Class Reference
- QPluginLoader Class Reference
- QPoint Class Reference
- QPointF Class Reference
- QPolygon Class Reference
- QPolygonF Class Reference
- QPrintDialog Class Reference
- QPrintEngine Class Reference
- QPrinter Class Reference
- QPrinterInfo Class Reference
- QPrintPreviewDialog Class Reference
- QPrintPreviewWidget Class Reference
- QProcess Class Reference
- QProcessEnvironment Class Reference
- QProgressBar Class Reference
- QProgressDialog Class Reference
- QPropertyAnimation Class Reference
- QProxyModel Class Reference
- QPushButton Class Reference
- QPyDeclarativePropertyValueSource Class Reference
- QPyDesignerContainerExtension Class Reference
- QPyDesignerCustomWidgetCollectionPlugin Class Reference
- QPyDesignerCustomWidgetPlugin Class Reference
- QPyDesignerMemberSheetExtension Class Reference
- QPyDesignerPropertySheetExtension Class Reference
- QPyDesignerTaskMenuExtension Class Reference
- QPyNullVariant Class Reference
- QPyTextObject Class Reference
- QQuaternion Class Reference
- QRadialGradient Class Reference
- QRadioButton Class Reference
- QRawFont Class Reference
- QReadLocker Class Reference
- QReadWriteLock Class Reference
- QRect Class Reference
- QRectF Class Reference
- QRegExp Class Reference
- QRegExpValidator Class Reference
- QRegion Class Reference
- QResizeEvent Class Reference
- QResource Class Reference
- QRubberBand Class Reference
- QRunnable Class Reference
- QScriptClass Class Reference
- QScriptClassPropertyIterator Class Reference
- QScriptContext Class Reference
- QScriptContextInfo Class Reference
- QScriptEngine Class Reference
- QScriptEngineAgent Class Reference
- QScriptEngineDebugger Class Reference
- QScriptString Class Reference
- QScriptSyntaxCheckResult Class Reference
- QScriptValue Class Reference
- QScriptValueIterator Class Reference
- QScrollArea Class Reference
- QScrollBar Class Reference
- QSemaphore Class Reference
- QSequentialAnimationGroup Class Reference
- QSessionManager Class Reference
- QSettings Class Reference
- QSharedMemory Class Reference
- QShortcut Class Reference
- QShortcutEvent Class Reference
- QShowEvent Class Reference
- QSignalMapper Class Reference
- QSignalTransition Class Reference
- QSimpleXmlNodeModel Class Reference
- QSize Class Reference
- QSizeF Class Reference
- QSizeGrip Class Reference
- QSizePolicy Class Reference
- QSlider Class Reference
- QSocketNotifier Class Reference
- QSortFilterProxyModel Class Reference
- QSound Class Reference
- QSourceLocation Class Reference
- QSpacerItem Class Reference
- QSpinBox Class Reference
- QSplashScreen Class Reference
- QSplitter Class Reference
- QSplitterHandle Class Reference
- QSql Class Reference
- QSqlDatabase Class Reference
- QSqlDriver Class Reference
- QSqlDriverCreatorBase Class Reference
- QSqlError Class Reference
- QSqlField Class Reference
- QSqlIndex Class Reference
- QSqlQuery Class Reference
- QSqlQueryModel Class Reference
- QSqlRecord Class Reference
- QSqlRelation Class Reference
- QSqlRelationalDelegate Class Reference
- QSqlRelationalTableModel Class Reference
- QSqlResult Class Reference
- QSqlTableModel Class Reference
- Qt4.7文档翻译：Qt样式单参考,Qt Style Sheets Reference
- QSsl Class Reference
- QSslCertificate Class Reference
- QSslCipher Class Reference
- QSslConfiguration Class Reference
- QSslError Class Reference
- QSslKey Class Reference
- QSslSocket Class Reference
- QStackedLayout Class Reference
- QStackedWidget Class Reference
- QStandardItem Class Reference
- QStandardItemModel Class Reference
- QState Class Reference
- QStateMachine Class Reference
- QStaticText Class Reference
- QStatusBar Class Reference
- QStatusTipEvent Class Reference
- 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