[PATCH] Custom colour list option in KColorCombo

[David Jarvie]

Here is a patch to add the facility to set a custom colour list in 
KColorCombo. Calling setColors(const QList<QColor>&) sets a specified list of 
colours in place of the standard list. If called with an empty list, it 
reverts to the standard list. colors() returns the current list.

The new option is needed by KAlarm, but could well be useful for other 
applications also.

I've also written a new test program for KColorCombo, also attached.

OK to commit on Monday?

-- 
David Jarvie.
KAlarm author and maintainer.
http://www.astrojar.org.uk/kalarm
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