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The driver assumes x/y is always valid but after coming from a resume we may
get a few events with either ABS_X or ABS_Y (not both). Thus we process with
hw->x == 0 and hw->y == somevalue, causing cursor jumps when calculating
deltas whenver the real hw->x comes in.
Fix this by resetting hw->x/y to INT_MIN and skip state processing until
both axes are available.
For clickpads, this means handling of data will be delayed until we get
at least one motion on each axis. Button presses won't be recognised either
until that happens. It requires some skill to not trigger motion on both
axes, even more to press a button without doing so.
For non-clickpads, handling of motion events will be delayed likewise. If a
physical button is pressed immediately after resume we have to assume deltas
of x/y.
- If the next event is a new touch, it will have ABS_X/ABS_Y set anyway
- If the finger was already down, a button event is generated, and the
finger has generated ABS_X or ABS_Y only before the event, the next event
containing the missing data will cause a jump. The fix for this is more
invasive and this is quite a corner-case.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
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This leaves us with a duplicated define for the maxbuttons but I'll live
with that for now.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Chase Douglas <chase.douglas@canonical.com>
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This drops conditional compilation of multitouch support, smooth scrolling
support and old ABIs.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Chase Douglas <chase.douglas@canonical.com>
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x-indent-all.sh from xorg/util/modular as of
c2d630fab65dbe3409af3947f6f442782ddb026f
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
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SLOTSTATE_OPEN_EMPTY on resume leads to erroneously detected touches.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
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Reset all state on DeviceOff to avoid stuck buttons on resume.
X.Org Bug 49161 <http://bugs.freedesktop.org/show_bug.cgi?id=49161>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
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Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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This change adds a new touch slot state that denotes when the slot is
open but does not have any new data to report.
Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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These values will be used for clickpad press and drag with two fingers.
While the clickpad button is not pressed, cumulative_d{x,y} will match x
and y values. Once the clickpad button is pressed, cumulative_d{x,y}
will be updated with the relative motion of each active touch on the
touchpad. This allows for dragging with one finger while another finger
stays stationary holding the clickpad button down.
This is an easier and less latent approach than trying to guess which
touch was the "dragging" touch.
[fixed build error for mt off]
Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
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And when copying the hardware state, don't copy those buttons that were set
through emulation.
This is a temporary fix only, we should add new fields to the hw struct that
represent the various features as they are enabled/disabled and then treat
them accordingly.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
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Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Put them in a new file so eventcomm-test can access them.
Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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