[PATCH] NumLock/CapsLock masks in Thai XIM

[Daniel Stone]

On Thu, Dec 13, 2007 at 01:10:28PM +0700, Theppitak Karoonboonyanan wrote:
> On Wed, Dec 12, 2007 at 10:42:00AM -0600, mcnichol at austin.ibm.com wrote:
> > The patch assumes that NumLock is always mapped to Mod2.
> > That may not be true on all systems.  I know AIX uses Mod5.
> 
> Mod5 is mapped for AltGr on Linux. And it should also be passed to the XIM,
> like NumLock. So, it should be OK to add Mod5Mask to the list as well.
> 
> However, is this assumption reliable? In summary, the masks that should
> be passed to the sequence checking routine are Shift, CapsLock, NumLock,
> and AltGr. And the known mappings are:
> 
> bin. Macro       Linux     AIX      Operation
> ---- ----------- --------- -------- ---------
> 0x01 ShiftMask   Shift     Shift    Pass
> 0x02 LockMask    CapsLock  CapsLock Pass
> 0x04 ControlMask Ctrl      Ctrl     Block
> 0x08 Mod1Mask    Alt       Alt(?)   Block
> 0x10 Mod2Mask    NumLock   ?        Pass(?)
> 0x20 Mod3Mask    ?         ?        ?
> 0x40 Mod4Mask    Win       ?        Block(?)
> 0x80 Mod5Mask    AltGr     NumLock  Pass
> 
> Or is there more reliable way to handle this?

The only way to really do this properly is to run XkbGetVirtualMods,
IIRC.

Cheers,
Daniel
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