[Bug 280695] Partially enlarged mouse pointer with high resolution (3840x2048)

[Thomas Lübking]

https://bugs.kde.org/show_bug.cgi?id=280695





--- Comment #3 from Thomas Lübking <thomas luebking gmail com>  2011-08-25 13:51:23 ---
(In reply to comment #2)
> The gnome-* programms just use the new pointer too but they will also show the
> enlarged standard mouse pointer (where I mentioned it before) just like with no
> theme at all.
It's important to understand that the titlebar is usually NOT part of the
window.
Do the gtk+ aplpications still mix cursor usage inside and is it random or just
a split between the I-beam and the Left pointer (that normal thing pointing the
upper left;-)

> I don't force any DPI settings:
> 
> % grep < /etc/kde/kdm/kdmrc ServerArgsLocal
> ServerArgsLocal=-background none -nolisten tcp
> 
> Current DPI is:
> 
> % xdpyinfo | grep -i dots
>   resolution:    237x83 dots per inch
there's the first source of your issue: you do certainly not have 237dpi of
horizontal resolution, do you? (that would mean your three monitors are 16'' or
411.5mm (that is 41cm) altogether but rather ONE of them.
Try to correct the display geometry or hardcode the DPI in xorg.conf

X11 apparently only takes the h'res into account (otherwise the pointer should
be horizontally stretched since the assumes resolution is no way square
anymore) -> X11 bug but likely not worth to deal with (such resolution is quite
unlikely to really exist)

Remains the question why sometimes the themed pointer is used and sometimes the
default X11 (fallback) one.
I guess the clients look for a pointer matching your resolution and get
arbitrarily confused or sometimes use the vertical and sometimes the horizontal
one. No idea though. Shrug.

-> Please try whether the issue disappears (ie. always the themed cursor is
used) when you "fix" the resolution. So we know what client bug to look for :)

> 
> I'm using a normal Fedora Core 15 (no Rawhide) in x86_64.

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