[PATCH] KLineEdit websearch feature

[Sebastian Tilsch]

Hello,
this is my first attempt in developing for the KDE project ( except my own 
programs). I added a small but useful feature, that I would like to see in
most of the components, where text is selectable.
It expands the context menu of a KLineEdit with the feature "search in 
web...". It uses the current user configuration of Search Providers, which is 
accessible with "kcmshell4 ebrowsing", but it will only use the user chosen 
favorite ones.
It would be even more useful in other components, like the KRichTextEdit, 
KRichTextWidget, selectable Labels (unfortunately all applications use the 
native QLabel) and in programs, like konsole and konqueror.
I know from the KDE4.3 release Schedule that adding features for this release 
is over, but maybe, if someone else has the opinion too, this handy little 
feature could be useful, we could still integrate it. Than I would also go on,
adding it to the other components, as mentioned before.
I hope the position of the extra classes in "klineedit_p.h" is correct (of 
course, only as long as it is not used by other control-elements).
The patch I attached modifies klineedit_p.h and klineedit.cpp
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