Re: Orca on laptops.

Lukas Loehrer wrote:...
I would therefore say that CapsLock is the more suitable choice of the
two as a default orca modifier key on laptops.
I don't wish to belabor this point, but I find that terminology confusing. If we remap the CapsLock key, then we are not using the CapsLock modifier at all! The question remains, then, "what modifier do we assign to the (physical) CapsLock key?" in order to use it for orca.

If we remap CapsLock to 'control', then the regular control key will of necessity have the same effect. This would also continue to conflict with the "normal" uses of the control key.

I think we need to resolve this second issue (i.e. of what _modifier_ we use for orca) before dealing with the first issue (i.e. what physical key we wish to assign that modifier to). As I said originally, we only have a few modifiers to choose from, whatever physical keys we wish to map them to. From X.h, we have:

Mod1  (usually Alt)
Mod2  (usually 'Meta' ?)
Mod3  (usually NumLock?)
Mod4  (Windows or Menu key, depends on the xkb map)
Mod5  (not sure about this one, either Windows or Menu key on some maps)

I suppose we could use 'Meta', provided we don't mind remapping some physical key in existing keymaps, since it doesn't seem to be widely used on PC laptops these days.

The API call which should be used to determine how a particular keysym maps to a particular modifier bit (for Mod1 through Mod5) looks like this:

meta_mask = XkbKeysymToModifiers (display, XK_Meta_L);

Note that in theory left and right versions of the 'Meta','Control', etc. keysyms could be mapped to different mask bits.

best regards,

Best regards, Lukas

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