[Bug 30123] New: Mouse pointer is confined in a box lesser than the full screen
wine-bugs at winehq.org
wine-bugs at winehq.org
Fri Mar 9 13:46:56 CST 2012
http://bugs.winehq.org/show_bug.cgi?id=30123
Bug #: 30123
Summary: Mouse pointer is confined in a box lesser than the
full screen
Product: Wine
Version: 1.4-rc4
Platform: x86-64
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: directx-dinput
AssignedTo: wine-bugs at winehq.org
ReportedBy: kol at MV8660.spb.edu
Classification: Unclassified
Running TES5:Skyrim on the old system without Xinput2 support and
on the modern Fedora 16 (but not on Ubuntu) under Wine 1.3.21
or later versions exhibits the "inertial mouse" bug described in
http://appdb.winehq.org/objectManager.php?sClass=version&iId=24749
: after changing the direction of mouse movement the look continues
to move in the old direction for some time.
Since Wine 1.4-rc1 the old "inertial mouse" bug goes away but
it is replaced by the new "clip" bug. The old bug appeared to be
caused by the next strings in the dinput_mouse_hook() function
in "dlls/dinput/mouse.c":
if (This->clipped) pt = This->mapped_center;
else GetCursorPos(&pt);
which have been changed to
GetCursorPos(&pt);
in Wine 1.4-rc1. With new versions of Wine the mouse pointer is
confined to some box lesser than the full screen. The behaviour
of mouse depends on the "HKCU\Software\Wine\X11 Driver\GrabPointer"
key. When it is set to "Y", the pointer is strictly confined to
a box in game and in menus, when the key is set to "N", the pointer
moves free in menus but mouse look in game is free within some
limits and becomes very slow beyond these limits. It is similar
to Bug#6971 but setting "MouseWarpOverride" to "force" does not
change the mouse movement.
I experimentally found a simple "patch" to workaround:
in the function warp_check() in "dlls/dinput/mouse.c" file
the last operator "This->clipped = ..." has to be commented
out and "This->clipped = FALSE;" has to be inserted in place of.
I do not know how it work but it makes the mouse look correct in
Skyrim on my Fedora 10 system and, as far as I can see, does not
break other games at least in fullscreen mode.
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