Normally, you don’t need to use this class directly. Qt’s built-in layout managers provide the following functions for manipulating empty space in layouts:
QSpacerItem(w, h[, hData=QSizePolicy.Minimum[, vData=QSizePolicy.Minimum]])¶
changeSize(w, h[, hData=QSizePolicy.Minimum[, vData=QSizePolicy.Minimum]])¶
Changes this spacer item to have preferred width
w, preferred height
h, horizontal size policy
hPolicy and vertical size policy
The default values provide a gap that is able to stretch if nothing else wants the space.
Note that if is called after the spacer item has been added to a layout, it is necessary to invalidate the layout in order for the spacer item’s new size to take effect.
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