Klook is a quick preview feature based on Qt and Qt Quick, allows users to look at the contents of a file in the Dolphin
To build KLook you must have following programs and packages installed: 1) CMake 2) kde4libs-devel 3) Qt 4
To install it just do: 1) mkdir build 2) cd build 3) cmake .. && make && make install
If you want to use KLook from Dolphin you also have to apply Dolphin patches that make Klook show up on pressing space.
You can also use it with StackFolder plasma applet, that can be downloaded here. StackFolder does has support for KLook built-in so you just have to install the package from https://abf.rosalinux.ru/projects/50034