[okular] [Bug 407869] Markdown preview disables adding spaces

[Friedrich W. H. Kossebau]

https://bugs.kde.org/show_bug.cgi?id=407869

Friedrich W. H. Kossebau <kossebau at kde.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
          Component|plugin-preview              |general
            Product|kate                        |okular
             Status|REPORTED                    |CONFIRMED
            Version|18.12.2                     |unspecified
           Assignee|kwrite-bugs-null at kde.org    |okular-devel at kde.org

--- Comment #1 from Friedrich W. H. Kossebau <kossebau at kde.org> ---
This is due to the Okular KPart being used in the preview, which is eating the
Space key events and uses it for scrolling, despite not having the focus.

While there is a principle issue with shortcuts from used KParts plugins
conflictiing with app shortcuts, see bug 386265, this here though is a special
variant, as the Space key usually is not a shortcut, so this is IMHO some
overly aggressive behaviour of the Okular KParts plugin which should get in
conflict in more embedding scenarios. So moving to Okular, so they can consider
to improve this in their KParts plugin to restrict stealing the space key event
only to when the view has focus.


Some work-around for Kate and Markdown preview: use kmarkdownwebview KParts
plugin, select in SystemSettings > Applications > File Associations >
text/markdown > Embedded > Move kmarkdownwebviewkpart to top in order, press
Apply. Still has the other shortcut conflict issues. But normal editing and
previewing at least can be done as one expects :)

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