QMarginsF ¶

概要 ¶

详细描述 ¶

QMarginsF defines a set of four margins; left, top, right and bottom, that describe the size of the borders surrounding a rectangle.

isNull() function returns true only if all margins are set to zero.

QMarginsF objects can be streamed as well as compared.

class QMarginsF ¶

QMarginsF(margins)

QMarginsF(QMarginsF)

QMarginsF(left, top, right, bottom)

param bottom

qreal

param QMarginsF

QMarginsF

param top

qreal

param right

qreal

param left

qreal

param margins

QMargins

Constructs a margins object with all margins set to 0.

另请参阅

isNull()

Constructs margins copied from the given margins

Constructs margins with the given left , top , right , bottom

另请参阅

setLeft() setRight() setTop() setBottom()

PySide2.QtCore.QMarginsF. bottom ( ) ¶

返回类型

qreal

Returns the bottom margin.

另请参阅

setBottom()

PySide2.QtCore.QMarginsF. isNull ( ) ¶

返回类型

bool

返回 true if all margins are 0; otherwise returns false.

PySide2.QtCore.QMarginsF. left ( ) ¶

返回类型

qreal

Returns the left margin.

另请参阅

setLeft()

PySide2.QtCore.QMarginsF. __ne__ ( rhs ) ¶

参数

rhs – QMarginsF

返回类型

bool

PySide2.QtCore.QMarginsF. __mul__ ( lhs ) ¶

参数

lhs – qreal

返回类型

QMarginsF

PySide2.QtCore.QMarginsF. __mul__ ( rhs ) ¶

参数

rhs – qreal

返回类型

QMarginsF

PySide2.QtCore.QMarginsF. __imul__ ( factor ) ¶

参数

factor – qreal

返回类型

QMarginsF

Multiplies each component of this object by factor and returns a reference to it.

另请参阅

operator/=()

PySide2.QtCore.QMarginsF. __add__ ( ) ¶

返回类型

QMarginsF

PySide2.QtCore.QMarginsF. __add__ ( rhs ) ¶

参数

rhs – QMarginsF

返回类型

QMarginsF

Returns a QMargin object that is formed from all components of margins .

PySide2.QtCore.QMarginsF. __add__ ( lhs ) ¶

参数

lhs – qreal

返回类型

QMarginsF

Returns a QMargin object that is formed from all components of margins .

PySide2.QtCore.QMarginsF. __add__ ( rhs ) ¶

参数

rhs – qreal

返回类型

QMarginsF

Returns a QMargin object that is formed from all components of margins .

PySide2.QtCore.QMarginsF. __iadd__ ( addend ) ¶

参数

addend – qreal

返回类型

QMarginsF

这是重载函数。

添加 addend to each component of this object and returns a reference to it.

另请参阅

operator-=()

PySide2.QtCore.QMarginsF. __iadd__ ( margins ) ¶

参数

margins – QMarginsF

返回类型

QMarginsF

PySide2.QtCore.QMarginsF. __sub__ ( ) ¶

返回类型

QMarginsF

PySide2.QtCore.QMarginsF. __sub__ ( rhs ) ¶

参数

rhs – QMarginsF

返回类型

QMarginsF

Returns a QMargin object that is formed by negating all components of margins .

PySide2.QtCore.QMarginsF. __sub__ ( rhs ) ¶

参数

rhs – qreal

返回类型

QMarginsF

Returns a QMargin object that is formed by negating all components of margins .

PySide2.QtCore.QMarginsF. __isub__ ( margins ) ¶

参数

margins – QMarginsF

返回类型

QMarginsF

PySide2.QtCore.QMarginsF. __isub__ ( subtrahend ) ¶

参数

subtrahend – qreal

返回类型

QMarginsF

这是重载函数。

Subtracts the subtrahend from each component of this object and returns a reference to it.

另请参阅

operator+=()

PySide2.QtCore.QMarginsF. __div__ ( divisor ) ¶

参数

divisor – qreal

返回类型

QMarginsF

PySide2.QtCore.QMarginsF. __idiv__ ( divisor ) ¶

参数

divisor – qreal

返回类型

QMarginsF

Divides each component of this object by divisor and returns a reference to it.

另请参阅

operator*=()

PySide2.QtCore.QMarginsF. __eq__ ( rhs ) ¶

参数

rhs – QMarginsF

返回类型

bool

PySide2.QtCore.QMarginsF. right ( ) ¶

返回类型

qreal

Returns the right margin.

另请参阅

setRight()

PySide2.QtCore.QMarginsF. setBottom ( bottom ) ¶

参数

bottom – qreal

Sets the bottom margin to bottom .

另请参阅

bottom()

PySide2.QtCore.QMarginsF. setLeft ( left ) ¶

参数

left – qreal

Sets the left margin to left .

另请参阅

left()

PySide2.QtCore.QMarginsF. setRight ( right ) ¶

参数

right – qreal

Sets the right margin to right .

另请参阅

right()

PySide2.QtCore.QMarginsF. setTop ( top ) ¶

参数

top – qreal

Sets the Top margin to Top .

另请参阅

top()

PySide2.QtCore.QMarginsF. toMargins ( ) ¶

返回类型

QMargins

Returns an integer based copy of this margins object.

Note that the components in the returned margins will be rounded to the nearest integer.

另请参阅

QMarginsF()

PySide2.QtCore.QMarginsF. top ( ) ¶

返回类型

qreal

Returns the top margin.

另请参阅

setTop()