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https://bugzilla.redhat.com/show_bug.cgi?id=749497
--- Comment #1 from fujiwara tfujiwar@redhat.com 2011-11-02 04:25:56 EDT --- XKB group keymaps can be shown up as far as four and ibus's first keymap engine has the combined keymap and the 2nd to 4th keymap engines has one mono keymap. E.g. if you configure the group layout as 'us(euro),us,jp', the first keymap is 'us(euro),us,jp' and the second is 'us' and the third is 'jp'. I showed variants in the menu GUI to distinguish the combined keymap and the mono keymap. Probably I guess 'euro,none,none' is too wide in the menu GUI.
Probably I think the combined keymap is needed so that XKB option keys work with/without ibus. Now I'm thinking if all the four keymaps need to be combined keymaps but I think it means ibus needs to track the XKB option key to switch ibus IMEs. Or all ibus engines are mono keymaps? but it means XKB option keys would not work.
I don't think to show XKB options on menu GUI due to the limited menu width. I agree to think the better label for the combined keymap. Hmm.. E.g. the first variant and number but 'English (euro x 3)' might mislead all keymaps have euro variant. Maybe 'English (euro, ∅, ∅)' ?