[Discuss-gnuradio] [GRC] Search function rewrite

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Hi,

I just completed a rewrite of the search function in GRC (on master).
The block tree is now filted (instead of showing search results in a
separete category). Also, this fixes the long-standing bug where GRC
would crash if the search was open and the window was scrolled to the end.

To search, press crtl+f and start typing; press Return to add the first
hit and Esc to abort/reset. Also, you can use the arrow keys to navigate
the search results.

For the vim-ers out there I'll probably add second keybinding next. =)

Cheers,
Sebastian

--
Karlsruhe Institute of Technology (KIT)
Communications Engineering Lab (CEL)

Dipl.-Ing. Sebastian Koslowski
Research Associate

Kaiserstraße 12
Building 05.01
76131 Karlsruhe, Germany

Phone: +49 721 608-46275
Fax: +49 721 608-46071
Email: sebastian.koslowski@kit.edu
Web: http://www.cel.kit.edu/

KIT – University of the State of Baden-Wuerttemberg and National
Research Center of the Helmholtz Association