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3.1 Windows and views

To use the functions described in this section, you will need to load the (schematic window) module.

Function: active-page ¶

Returns the page currently being displayed for editing.

Function: set-active-page! page ¶

Sets the current page to page.

Function: pointer-position ¶

Returns the current mouse pointer position in world coordinates in the form ‘(x . y)’. If the pointer is outside the display area, returns ‘#f’.

Function: snap-point point ¶

Snaps the given point to the current snap grid, i.e. returns the closest grid location to point. Expects a point in the form ‘(x . y)’, and returns a point in the same format.