QScrollPrepareEvent

The QScrollPrepareEvent class is sent in preparation of scrolling. More

Inheritance diagram of PySide2.QtGui.QScrollPrepareEvent

Synopsis

Functions

Detailed Description

The scroll prepare event is sent before scrolling (usually by QScroller ) is started. The object receiving this event should set viewportSize , maxContentPos and contentPos . It also should accept this event to indicate that scrolling should be started.

It is not guaranteed that a QScrollEvent will be sent after an acceepted QScrollPrepareEvent , e.g. in a case where the maximum content position is (0,0).

See also

QScrollEvent QScroller

class PySide2.QtGui.QScrollPrepareEvent(startPos)
param startPos

PySide2.QtCore.QPointF

Creates new QScrollPrepareEvent The startPos is the position of a touch or mouse event that started the scrolling.

PySide2.QtGui.QScrollPrepareEvent.contentPos()
Return type

PySide2.QtCore.QPointF

Returns the current position of the content as set by setContentPos .

See also

setContentPos()

PySide2.QtGui.QScrollPrepareEvent.contentPosRange()
Return type

PySide2.QtCore.QRectF

Returns the range of coordinates for the content as set by setContentPosRange() .

PySide2.QtGui.QScrollPrepareEvent.setContentPos(pos)
Parameters

posPySide2.QtCore.QPointF

Sets the current content position to pos .

See also

contentPos()

PySide2.QtGui.QScrollPrepareEvent.setContentPosRange(rect)
Parameters

rectPySide2.QtCore.QRectF

Sets the range of content coordinates to rect .

PySide2.QtGui.QScrollPrepareEvent.setViewportSize(size)
Parameters

sizePySide2.QtCore.QSizeF

Sets the size of the area that is to be scrolled to size .

See also

viewportSize()

PySide2.QtGui.QScrollPrepareEvent.startPos()
Return type

PySide2.QtCore.QPointF

Returns the position of the touch or mouse event that started the scrolling.

PySide2.QtGui.QScrollPrepareEvent.viewportSize()
Return type

PySide2.QtCore.QSizeF

Returns size of the area that is to be scrolled as set by setViewportSize