Tablet co-ordinates incorrect on some multi-monitor setups
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#1 Tablet co-ordinates incorrect on some multi-monitor setups
On certain multi-monitor setups the mapping from Wintab to Windows co-ordinates is incorrect, leading to the cursor and actual plotting being badly miscalibrated.
r1 is set up to dump a lot of debugging noise to the screen to try to help track this issue.
I can't reproduce this due to lacking a multi-monitor setup to test with, which is complicating matters.
One user, whose second monitor juts out above the primary one, reported these metrics:
Upper-left corner of primary monitor: 0, 0 in mouse co-ordinates.
Top of second monitor: something, -503 in mouse.
Bottom corner: 0, -503 in raw and 0,767 in mouse. Out from stderr is 2646x1271+0x-503.
(767 + 503 = 1270)
Another has determined that it works if the primary monitor 0,0 is >= 0,0 on the secondary monitor on both axes.