[PATCH] Permanent clear button for KLineEdit

[Thomas Lübking]

Am Wednesday 25 March 2009 schrieb Chani:

> can't we just auto-remove an empty line (that's not the last row) when the
> user leaves it? then there'd be no magical hidden buttons, and 99% of the
> time we'd be doing what the user means without them having to click
> anything.

(for kmail) i initially agreed with aaron on that some mails before...
;-)

this here's only about: what do we do with the "clear line" button in general

(display always/on non empty lines/on hover or focus, impacting state 
indication, visual noise and usability)

a drawback of a permanent visible icon (aside the clutter) is that users might 
click them, figure they do nothing ("i already heard KDE4 is buggy") and just 
take them as annoyance.
so you'd have to at least display them disabled (indicating: exist, but 
currently w/o use - what's hard to sell without making them too intrusive in 
the active state)

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