Squashed commit of the following:

commit 70b0382e
Author: Johannes Rieken <johannes.rieken@gmail.com>
Date:   Fri Jan 24 16:41:06 2020 +0100

    update statusbar with "real" keybindings

commit d413a30a
Author: Pine Wu <octref@gmail.com>
Date:   Fri Jan 24 15:31:55 2020 +0100

    Polish

commit a1bd86cc
Author: Pine Wu <octref@gmail.com>
Date:   Fri Jan 24 12:25:32 2020 +0100

    Simple StatusBar for suggest

Squashed commit of the following:

commit 2bbee1ef
Author: Pine Wu <octref@gmail.com>
Date:   Wed Jan 22 11:48:44 2020 +0100

    Separate testing changes

commit 047e81e9
Author: Pine Wu <octref@gmail.com>
Date:   Wed Jan 22 11:44:30 2020 +0100

    Tweak layout

commit 078b21f6
Author: Pine Wu <octref@gmail.com>
Date:   Tue Jan 21 15:20:07 2020 +0100

    UI changes

commit a869c0fa
Author: Pine Wu <octref@gmail.com>
Date:   Tue Jan 21 12:28:35 2020 +0100

    WIP

This reverts commit 6c9b23ed, reversing
changes made to 085abd5f.

Emitters should generally not be reassigned as their corresponding event would also be lost. Marking these as readonly just to enforce this