column-label-offset

Arguments: lamp

A property of the lamp widget. This generic function returns the number of blank pixels by which to shift the label strings rightward above or below the columns of images in a lamp widget. The value may be specified at creation time with the column-label-offset initarg, or anytime later by calling (setf column-label-offset). This value is used only when the value property of the lamp widget is an array.

This property may be used as a fudge factor to make the labels appear as aligned as possible with the lamp images, adjusting for the internal leading of the widget's font.

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Created 2015.5.21.