redisplay-outline-item-value

Arguments: outline outline-pane item x y key line-height half-line-height erase-p focus-index-p icons-p unavailable widget-font widget-backcolor widget-forecolor printer

This function is called by the system when an outline-item is drawn. Programmers could provide a method for drawing an outline item to draw a custom picture in an outline-item in place of the usual string.

outline is the outline control, and outline-pane is its window.

item is the outline item whose value needs to be drawn (the icon and line are drawn automatically elsewhere)

x and y are the coordinates of the top-left of this item, to the right of where the icons and lines are drawn.

key is the function for converting the outline-item value to the actual string to display.

line-height is the vertical size of the space allotted for this item. half-line-height is half that value.

erase-p is true if and only if the background of the item should be cleared.

focus-index-p is true if and only if this item has the keyboard focus.

icons-p is true if and only if this outline should draw icons.

unavailable-p is true if and only if this item should be grayed out and not respond to the mouse.

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This page was not revised from the 10.0 page.
Created 2019.8.20.