Wintab is a de facto API for pointing devices on Windows.
Used in the Qt platform plugin for Windows. Configure with -no-feature-tabletevent to avoid.
The sources can be found in snapshot-qtquickultralite-rel/qtultralight/doc/src/qtguiattributions.
Copyright 1991-1998 by LCS/Telegraphics.
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Available under certain Qt licenses.
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