On Sat, 17 Apr 2004 00:50:58 +0200 [EMAIL PROTECTED] (Denis Barbier) wrote:
> On Wed, Mar 31, 2004 at 01:02:43PM +0200, Felix Kühling wrote: > [...] > > If this is a bug in Emacs then I wonder why the Meta-key works correctly > > with altwin:meta_win but fails with altwin:left_meta_win. How is the > > left Windows key handled differently between the two options? Should > > there be any difference? If not then I'd suspect that it's rather a > > problem in X. > > Erwan David explained (in French) in this thread > http://lists.debian.org/debian-user-french-0404/msg00412.html > and in #234081 that with altwin:left_meta_win, Mod4 is bound to Meta_L > and Super_R. But (X)emacs seems not to be XKB-aware, and thus it cannot > determine whether Meta_L or Super_R is pressed when it received a Mod4 > event, and Mod4 is disabled. > > If (X)emacs used XKB extensions, it could make this distinction, so one > could argue that this is a limitation in (X)emacs. > > But on the other hand, having 2 keys of distinct types (Meta and Super) > bound to the same modifier is certainly not a good idea; if these keys > handle different actions, binding them to different modifiers is > natural. This is what Erwan does in #234081 to fix this problem. > I filed http://bugzilla.xfree86.org/show_bug.cgi?id=1344 but I am afraid > that mapping a key to another modifier might cause other trouble, so > let's see what upstream will propose. Thanks for the explanation. If I understand you correctly then from the XFree86 point of view this bug is probably a duplicate of #234081. > > It seems that people use altwin:left_meta_win mostly because > altwin:meta_win cancels AltGr, see > http://bugzilla.xfree86.org/show_bug.cgi?id=1341 Right, that was the reason why I went with left_meta_win. > But this one can easily be fixed, here is a patch. All *_win options > are then handled in a similar manner and do not modify Alt keys. Thanks a lot! I applied your patch in /etc/X11/xkb and am happily using altwin:meta_win now. > > Denis > Felix