button-3d-border

Arguments: multi-picture-button

Returns (or sets with setf) the value of the button-3d-border property of a multi-picture-button. This value determines what kind of border with a three-dimensional appearance (if any) will be drawn around each button of the widget. Here are the valid values:

• nil: no borders with a three-dimensional appearance are drawn.
• t: a thin border with a three-dimensional appearance is drawn around each button.
• :when-pressed: a thin border with a three-dimensional appearance is drawn around each button whenever the button is in a pressed-down state or when the mouse cursor is over the button. At other times no border is drawn. This style also draws a separator bar between buttons wherever there is a :gap in the range (see the description of the range property in the description of multi-picture-button).
• :thick: a thicker border is drawn around each button.

The 3d border is independent of the button-black-border, which is drawn around the 3d border if both are specified. The borders are drawn around the padding of each button but not around the spacing between the buttons.

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Created 2010.1.21.