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06fda4d3c8
Behaviour of earlier X servers was to deliver the ButtonPress event
unconditionally, regardless of the actual event mask being set. This is
documented in the protocol:
"This request establishes a passive grab. In the future, the pointer is
actively grabbed as described in GrabPointer, the last-pointer-grab time is
set to the time at which the button was pressed (as transmitted in the
ButtonPress event), and the ButtonPress event is reported if all of the
following conditions are true:
<list of conditions, event mask is not one of them>"
Thus, a GrabButton event will always deliver the button press event, a
GrabKey always the key press event, etc. Same goes for XI and XI2.
Reproducible with a simple client requesting a button grab in the form of:
XGrabButton(dpy, AnyButton, AnyModifier, win, True, ButtonReleaseMask,
GrabModeAsync, GrabModeAsync, None, None);
On servers before MPX/XI2, the client will receive a button press and
release event. On current servers, the client receives only the release.
Clients that expect the press event to be delivered unconditionally.
XTS Xlib13 XGrabButton 5/39 now passes.
This reverts commit
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| fb | ||
| glx | ||
| hw | ||
| include | ||
| m4 | ||
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| test | ||
| Xext | ||
| xfixes | ||
| Xi | ||
| xkb | ||
| .gitignore | ||
| autogen.sh | ||
| configure.ac | ||
| COPYING | ||
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| xorg-server.m4 | ||
| xorg-server.pc.in | ||