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- Content .- Fans (26) . 



Window Decoration native KDE 4

Score 75%



Homepage:  Link
Version Control:  Link
Blog:  Link
Minimum required   KDE 4.x
Downloads:  24671
Submitted:  Feb 11 2008
Updated:  Jan 9 2013


This is the port of the famous Crystal kwin decoration theme to KDE 4.x.

For 3.x version see:

Main features:
* Uses compositing features of KDE4 for transparency with ability to use the blur plugin
* Supports grouping/tabbing of windows
* Ability to choose the blending colors of buttons as well as title bar and border size
* Right click on minimize button toggles shade mode
* Middle click on minimize button sends window to below
* Double click on program symbol closes window
* Support for button themes. Basic button theme is included, feel free to swamp me with cool themes
* Can show a tooltip for the caption
* Right click on close button can run kdocker, if installed, to minimize the application to the system tray

-- INSTALL ---------------------
Basic Installation (from the console):
- Step 1 (as user)
$ cd build
$ cmake -DCMAKE_INSTALL_PREFIX=/usr ..
$ make
- Step 3 (as root)
# make install

If you installed crystal while it was running, you would need to restart kwin for the changes to take effect: kwin --replace

Feedback and patches well appreciated. ;-)

Follow me on GitHub!

This version of crystal needs KDE 4.9 or higher!

Have fun,
Sascha Hlusiak


2.2.1 (KDE 4.9):
* Fix tabbing after window shading

2.2.0 (KDE 4.9 only):
* Use API for KDE 4.9

2.1.1 (KDE 4.8):
* Improved compatibility with KDE 4.8
* Fixed possible glitches without compositing in KDE 4.8
* Draws own shadows

* Support of KDE's cool window tabbing / grouping feature!!
* Fix working with kdocker >= 4.5, if installed (right click on close button to run)
* Fix glitch of round corners in compositing mode introduced in 2.0.6. Reduced options of round corners to 1 for code simplification.

* Use Blur effect for transparent borders when kwin-plugin is enabled (needs KDE >= 4.6.0)
* Updated aqua button theme
* New button theme: glass-pill
* Fix some compile warnings

* Use KDecoration again instead of KDecorationUnstable; hopefully fixes compile problems
* Remove some probably unnecessary redrawing

* Built-in logos for various distros
* Some experimental transparency support (requires KDE4 compositing)
* Fix not showing shadow in compositing mode (whiteliste abilities now, not blacklist them; thanks to Zarin for pointing that out)

* Possibility to stretch or scale overlay images
* Fix showing logo on active window only
* Disable caption shadow for inactive windows so it's easier to read
* Work around "hollow" border glitches when using half-maximized states
* Added backported Kubuntu-Hardy button theme (thanks to Kubuntu team)
* Little nicer default settings

* Adding back button images in configuration dialog
* Set tooltip of decoration to caption right from the beginning
* Creating and using embedtool again to create tiles.h

* Scrolling through open windows works again (if option is enabled)
* Link to this page in the info dialog
* Minimizing to systray using kdocker works again

* Initial release of KDE 4.x port

Source(crystal-2.2.1.tar.bz2 (KDE 4.9))
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 by zarquad on: Sep 26 2008
Score 50%

Very nice.

in intrepid you'll have to:

cd build
sudo make install

(if you make install, it will make for you before installing, why doesn't anyone JUST write make install???)

Reply to this


 Re: Intrepid

 by dralgebra on: Sep 27 2008
Score 50%

make should be run as user, make install should be run as root. That's why it's a 3-step, not a 2-step.

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 I have a problem

 by politikon on: Oct 5 2008
Score 50%

I am raw in linux. I could never install it. All the steps well but I never install the topic to them in any site. help me please!

Omar Cardenas
Reply to this


 Thanks + Gentoo Ebuild

 by kucrut on: Nov 6 2008
Score 50%

Thanks, love it!
Gentoo folks, I made an experimental ebuild, use at your own risk :P http://files.kucrut.org/ebuild/x11-themes/crystal/crystal-2.0.1.ebuild

Reply to this



 by valmar on: Dec 18 2008
Score 50%

Thanks for this excellent theme. I am trying to replace the icons int the themes, but I noticed that embedtool is not compiled. Does anyone know how to hack the Makefile to make it compile?

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 Re: embedtool

 by dralgebra on: Dec 18 2008
Score 50%

Yeah, hacked it together in 2.0.2. Now embedtool is generated and always used to update tiles.h. Please give it a try.

Reply to this


 Re: Re: embedtool

 by valmar on: Dec 19 2008
Score 50%

Thanks. I tried and it seems to work. Just a question: if I replace a ong, it has to be of the same size of the one being replaced, right. I ask because I amtrying to replace the pngs in the aqua theme. I replaced 16x16 with 23x23 and the buttons are scrambled.

Thanks again. Amazing work

Reply to this


 Re: Re: Re: embedtool

 by dralgebra on: Dec 19 2008
Score 50%

Yes. But see file client/crystalclient.cpp, line 263 and change the size of the buttons. And if you have something nice, feel free to show it me to include it. :)

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 Re: Re: Re: Re: embedtool

 by valmar on: Dec 19 2008
Score 50%

Thanks. I am creating a version of the Aqua theme that I find nicer, with slightly different button pics. As son as I get it to work I will send it to you.

Just a quick wish: do you think it would be easy to support a gradient in the window border? I have some kde4 themes where the window background has a gradient, since Qt4 now supports it. Do you think it could be done with crystal too? (Just a wish for the future)

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 Re: embedtool

 by hmd9261 on: Dec 21 2008
Score 50%

This sounds great. BTW, anyone figured out a good Mac-ish colour scheme for the title bar buttons? I am not good at this and the way they look now (all white) are good but not very good...

Reply to this


 Debian package available

 by hmd9261 on: Dec 21 2008
Score 50%

I just debianized the crystal 2.0.2 sources (by stealing most of the code from the Ubuntu package of the KDE3 version). The result (.deb for i386/testing, .dsc and .tar.gz) can be found here:


(search for `kwin-style-crystal' in the list of files)

Reply to this



 by idhan on: Jan 6 2009
Score 50%


I am using intrepid with kde 4.2, but I get some errors with cmake -DCMAKE_INSTALL_PREFIX=/usr ..


CMake Error at /usr/share/cmake-2.6/Modules/FindKDE4.cmake:84 (MESSAGE):
ERROR: cmake/modules/FindKDE4Internal.cmake not found in
Call Stack (most recent call first):
CMakeLists.txt:4 (find_package)

CMake Warning (dev) in CMakeLists.txt:
No cmake_minimum_required command is present. A line of code such as

cmake_minimum_required(VERSION 2.6)

should be added at the top of the file. The version specified may be lower
if you wish to support older CMake versions for this project. For more
information run "cmake --help-policy CMP0000".
This warning is for project developers. Use -Wno-dev to suppress it.

-- Configuring incomplete, errors occurred!

Any idea? thanks :-)

Reply to this


 Re: Problems

 by aleksanteri on: Jan 7 2009
Score 50%

sudo apt-get install kdelibs5-dev

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