On Sep 29, 2005, at 3:37 PM, Mark McElhinney wrote:
Is there any way for a cocoa application to determine what cursor
the OS
is using at any given time? I have seen NSCursors currentCursor
method,
however, this only returns the current cursor for your application.
If there is no way to determine the cursor type at any given time, is
the any sort of callback that you can subscribe to that will inform
your
application when the cursor changes?
If neither of these are doable in a Cocoa application, does anyone
know
of another means to obtain this information?
I don't think obtaining the cursor system-wide is possible at all.
Furthermore, some apps (like ones I've written) hide the real cursor
and just animate a sprite around the screen. In other cases, the
cursor could be currently obscured.
Purpose: I need to capture the entire desktop area, including the
cursor, but referencing the screen bytes with CGDisplayBaseAddress
only
give the screen information, not the cursor information. So I then get
the mouse location using [NSEvent mouseLocation] and if I can find out
which cursor is being used, can then draw it into my buffer at the
correct location.
Have you looked at how others apps implement this? For example,
Apple's Grab let's you specify which cursor to draw when the
screenshot is taken.
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