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41
42/*!
43 \page qt-embedded-envvars.html
44
45 \title Qt for Embedded Linux Environment Variables
46 \ingroup qt-embedded-linux
47
48 These environment variables are relevant to \l{Qt for Embedded Linux}
49 users.
50
51 \table
52 \header \o Variable \o Description
53
54 \row
55 \o \bold POINTERCAL_FILE \target POINTERCAL_FILE
56
57 \o Specifies the file containing the data used to calibrate the
58 pointer device.
59
60 See also QWSCalibratedMouseHandler and \l{Qt for Embedded Linux Pointer
61 Handling}.
62
63 \row
64 \o \bold QT_ONSCREEN_PAINT \target QT_ONSCREEN_PAINT
65
66 \o If defined, the application will render its widgets directly on
67 screen. The affected regions of the screen will not be modified by
68 the screen driver unless another window with a higher focus
69 requests (parts of) the same region.
70
71 Setting this environment variable is equivalent to setting the
72 Qt::WA_PaintOnScreen attribute for all the widgets in the
73 application.
74
75 See also the Qt for Embedded Linux \l{Qt for Embedded Linux Architecture#Graphics