qt - maliit keyboard - black box on letters -

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i've managed install maliit-server , keyboard plugins github. run server , example this

export qt_im_module=maliit maliit-server -software & maliit-exampleapp-plainqt

keyboard shows expected, there appears black box in center of keyboard. don't know / couldn't find box coming from.

maliit keyboard - black box

i'm using xubuntu (14.04 lts), qt 5.5. have experienced problem?

that qquickview of extended keyboard panel maliit-keyboard-extended.qml. window handling code seems quite buggy (see inputmethod.cpp).

note code written specific platform (some years ago) , needs adaption other use cases.


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