On 13 Apr 2010, at 5:30 AM, Jack Carbaugh wrote:
> What would be the easiest way to convert the frame rect of a button in a
> window to a screen rect ?
Search the documentation for symbols beginning with "convert"; among the
results:
> convertBaseToScreen:
>
> Converts a given point from the window’s base coordinate system to the screen
> coordinate system.
>
> - (NSPoint)convertBaseToScreen:(NSPoint)point
>
> Parameters
>
> point
> The point expressed in the window’s base coordinate system.
>
> Return Value
>
> point expressed in screen coordinates.
>
> Availability
>
> • Available in Mac OS X v10.0 and later.
It converts NSPoints, but you can do the math. You may want to start with the
bounds rect of the button, and use -[NSView convertPoint:toView:] with the
second argument nil; it will keep working if you ever move the button to an
enclosing view.
— F
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