xmodmap Oddness

[William O'Higgins Witteman]

On Tue, Feb 26, 2008 at 11:10:08PM -0500, Giles Orr wrote:
>On Tue, Feb 26, 2008 at 4:14 PM, William O'Higgins Witteman
><william.ohiggins-H217xnMUJC0sA/PxXw9srA at public.gmane.org> wrote:
>>  Ordinarily, I just fire up xev to get the keycode and then `xmodmap -e
>>  "keycode 64 = Control_L"`.  And that has worked for all of my keys but
>>  one - my Alt_L (keycode 64).  I was trying to remap it to Control_L, but
>>  it is staying subbornly Alt_L.
>>
>>  Here's the output of xev for my uncooperative keyboard:
>>
>>  KeyPress event, serial 32, synthetic NO, window 0x1800001,
>>     root 0x63, subw 0x1800002, time 1468606840, (37,48), root:(1538,917),
>>     state 0x10, keycode 37 (keysym 0xffe3, Control_L), same_screen YES,
>>     XLookupString gives 0 bytes:
>>     XmbLookupString gives 0 bytes:
>>     XFilterEvent returns: False
>>
>>  KeyPress event, serial 32, synthetic NO, window 0x1800001,
>>     root 0x63, subw 0x1800002, time 1468618977, (37,48), root:(1538,917),
>>     state 0x10, keycode 64 (keysym 0xffe3, Control_L), same_screen YES,
>>     XKeysymToKeycode returns keycode: 37
>>     XLookupString gives 0 bytes:
>>     XmbLookupString gives 0 bytes:
>>     XFilterEvent returns: False
>>
>>  The top key is working as expected, but the bottom one, which is the one
>>  I'd like to have actually be the Control_L, is claiming to be Control_L,
>>  as I remapped it, but when I press it is still actually Alt_L.  The only
>>  difference I see is that the one that doesn't do what I'd like has a
>>  keysym remap.  Given I put it there, that's not a huge surprise, but I
>>  am not sure what I should do.
>
>I was struggling with keymapping recently, sounds like a fairly
>similar problem.  I was trying to get Alt_R - which by default is
>mapped to AltGr, which I have no use for - to behave in the same way
>as Alt_L.  I tried this:
>
>   xmodmap -e "keycode 113 = Alt_R"
>
>Good start, associating the keycode with a name.  As you did, I got
>the keycode from xev.  Next:
>
>   xmodmap -e "add Mod1 = Alt_R"
>
>I thought that would do it, but it didn't because Alt_R was still
>associated with Mod5 _as well as_ Mod1.  This is where I really needed
>"xmodmap" without params to see what was going on - and why a keypress
>wasn't giving the response I expected.  So to finish it:
>
>   xmodmap -e "remove Mod5 = Alt_R"
>
>Hope this helps.

I think it starts me on my way, the problem I am having is that I don't
know what to call some of these keys - which ones are Mod1, Mod2, etc.
Is there a way to find that out?  Thanks.
-- 

yours,

William

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