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Kvantum

   0.9.6  

Theme/Style for KDE 4.0

Score 64%
Kvantum
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Kvantum
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Homepage:  Link
Minimum required   Qt 4.x
Downloads:  8355
Submitted:  Jul 19 2014
Updated:  Nov 19 2014

Description:

Kvantum is an SVG-based theme engine for Qt4/Qt5 and KDE, i.e. a program for styling Qt applications with SVG images, with an emphasis on elegance, usability and practicality.

Kvantum comes with a default dark theme, inspired by the default theme of Enlightenment. Creation of realistic themes like that for KDE was my first reason to make Kvantum but it allows themes with very different looks and feels, whether they be photorealistic or cartoonish, 3D or flat, embellished or minimalistic, or something in between.

Kvantum also has extra themes, that are installed as root with Qt5 installation and can be selected and activated by using Kvantum Manager.

The core idea of Kvantum, namely using of SVG images for drawing Qt widgets, is taken from QuantumStyle (not developed anymore but continued as QSvgStyle at https://github.com/DexterMagnific/QSvgStyle).

*** Compilation ***

Install X11 and Qt development packages (libx11-dev and libxext-dev for X11, libqt4-dev for Qt4, and qtbase5-dev, libqt5svg5-dev and libqt5x11extras5-dev for Qt5, in Debian-based systems), open a terminal inside the Kvantum folder and issue this command:

qmake && make

You might need to put the full path of qmake in the above command, especially for a second compilation against another Qt version.

*** Installation ***

sudo make install
make distclean

Then select Kvantum for both widget style and color scheme in System Settings. Please read the file INSTALL for detailed instructions on compilation and installation for Qt4 and Qt5!

For 64-bit Debian Testing (and, perhaps, other 64-bit Debian-based systems too), you could just use the deb package below. There are also 32 and 64-bit Arch packages, kindly made by Josip (metak).

*** Theme Making ***

For instructions on how to change configuration or make new themes, please read the files Theme-Config and Theme-Making in the doc folder!

*** Notes ***

(1) Each new theme should be accompanied by a KDE color scheme because some KDE apps may use colors specific to KDE. Qt apps use Kvantum colors though.

(2) Kvantum does not provide window decorations. Such jobs are done by the window manager.

(3) I update this page whenever needed but without announcing an update. The latest date is in the ChangeLog section below.




Changelog:

See ChangeLog inside the source for a more thorough list.

14 May 2016
------------
* Small changes.
* Made the first GitHub release (thanks to Matthew). A deb package for Debian Testing is also added. If (K)ubuntu and its derivatives need a separate deb package, I will add it here but, for now, they don't.

24 Apr 2016
------------
* Workaround for the Qt5 QMenu window type bug (I waited long enough for a fix. The workaround will be harmless if they fix the bug).
* Don't draw text shadow when it doesn't have enough contrast with text.
* Added a key for always centering doc tabs.
* Modifications to KvSimplicity.
* No need to a separate deb package for (K)ubuntu 16.04 and its derivatives for now.

12 Apr 2016
------------
* More space between close button and right frame of tabs.
* Added "What's This?" to Kvantum Manager.
* Added an experimental hacking key for setting the icon size of LXQT's main menu when it isn't styled by LXQT.

3 Apr 2016
------------
* Added an option for putting the group-box label above the frame (to Kvantum Manager).
* Added an option for inline spin indicators (to Kvantum Manager).
* A key for joining the active tab to its adjacent tabs. Also added tab separators.
* Support for default button interior (thanks to sixsixfive for mentioning it).
* Meticulous fixes, especially for HDPI.

......




LicenseGPL
Debian(64-bit Debian Testing and Ubuntu)
(Source at GitHub)
Arch(32 and 64-bit Arch -- Thanks to Josip (metak))
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 Kvantum qt5 on Jessie

 
 by stevepusser on: May 18 2016
 
Score 50%

I set up a separate kvantum-qt5 package that built correctly, and I had it build and install the resulting .so file in the same qt5 plugin directory as your deb, but qt5 apps just looked the same--not showing Kvantum themes at all.

It makes me wonder if it's related to the same problem that the qt5-configure ( http://qt-apps.org/content/show.php/Qt5+Configuration+Tool?content=168066 ) tool has: you can build it with the Qt 5.3 in Jessie, but it also has no effect. Seems that Qt 5.4 fixed something fundamental.

I'll try your debian folder--I have no problem with the build-depends having possibly different names. That's what the alternative "|" is for:

Build-Depends: foo-dev | foo1-dev | foo2-dev,


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 Re: Kvantum qt5 on Jessie

 
 by stevepusser on: May 18 2016
 
Score 50%

On testing, I found out that the kvantum 0.9.6 won't build on Qt 5.3, because it needs the qxcbwindowfunctions headers, and 5.3 doesn't have that.

I did find out how to make your rules file arch-independent instead of amd64-only.

First, you can just use "qmake-qt4" as the qt4 qmake, because there's a symlink in /usr/bin to it, so you don't have to call out the whole path.

For the qt 5 qmake, add this line at the start of the rules file:

DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)

so then the line calling out the qt5 qmake becomes:
cd builddir && /usr/lib/$(DEB_HOST_MULTIARCH)/qt5/bin/qmake PREFIX=/usr ../$(APPNAME).pro

I might try and see how that works in OBS for the Ubuntu versions that have a newer Qt 5.


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 Re: Kvantum qt5 on Jessie

 
 by tsujan on: May 18 2016
 
Score 50%

Strange! The specific header `qxcbwindowfunctions.h` isn't used by Kvantum.

I don't think Jessie has a DE that recognizes Qt5 style plugins automatically. You should use one of the methods explained in INSTALL.

Thanks for the arch-independent tip! I only build 64-bit packages because I can test them.


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 Re: Re: Kvantum qt5 on Jessie

 
 by stevepusser on: May 19 2016
 
Score 50%

Hmmm...let's see if I can find the specific build error with qt 5.

If you provided an arch-independent debian folder, than anyone using Debian or Ubuntu on any architecture could build their own packages, following the rather simple steps for rebuilding from debian source. Then it's up for them to test it. ;)


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 Re: Re: Kvantum qt5 on Jessie

 
 by stevepusser on: May 19 2016
 
Score 50%

OK...I get this error

Kvantum.cpp:60:49: fatal error: QtPlatformHeaders/QXcbWindowFunctions: No such file or directory

which is due to line 60 in Kvantum.cpp

#include <QtPlatformHeaders/QXcbWindowFunctions>


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 Re: Re: Re: Kvantum qt5 on Jessie

 
 by tsujan on: May 19 2016
 
Score 50%

Oh, now I remember! Thanks for reporting! That's because of a workaround I included in Kvantum for QTBUG-47043. If I remove it for Qt < 5.5, Kvantum should be compiled against Qt-5.3 too. Please test again after I make a commit in GitHub (see the title of the latest commit) and tell me about the result! Thanks in advance!

As for the Debian folder, you're right. But, although I use Debian, I don't like to make an exception for Debian based systems. What about Arch-based systems (I like them very much) or rpm-based system? Should I include build folders/files for them too? I don't think so -- at least, not yet.


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 Re: Re: Kvantum qt5 on Jessie

 
 by stevepusser on: May 19 2016
 
Score 50%

OK...I get this error

Kvantum.cpp:60:49: fatal error: QtPlatformHeaders/QXcbWindowFunctions: No such file or directory

which is due to line 60 in Kvantum.cpp

#include <QtPlatformHeaders/QXcbWindowFunctions>


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 Re: Re: Re: Kvantum qt5 on Jessie

 
 by tsujan on: May 19 2016
 
Score 50%

Please read my reply above!


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 Re: Re: Re: Re: Kvantum qt5 on Jessie

 
 by stevepusser on: May 21 2016
 
Score 50%

Oops, sorry for the double post. (bag over head)

Your commit does fix the compilation on Qt 5.3.

Anyway, I do already have a Qt 4-only Debian Kvantum package in the MX 15 repository, I'll switch out my current tiny qt4 dephelper rules file for the bigger multiarch one that'll do both, and see if that fixes anything on Jessie for qt5. At least people could grab those debianized sources if they want to rebuild it.


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 Re: Re: Re: Re: Re: Kvantum qt5 on Jessie

 
 by stevepusser on: May 22 2016
 
Score 50%

Yeah, confirmed that configuring the styles on qt5 5.3 just doesn't work. Also, you don't have to specify dependencies for the finished package in the debian/control file, the ${shlibs:Depends} variable handles all that automatically--I ended up with automatically generated dependencies: libc6 (>= 2.14), libgcc1 (>= 1:4.1.1), libgl1-mesa-glx | libgl1, libqt4-svg (>= 4:4.5.3), libqt5core5a (>= 5.0.2), libqt5gui5 (>= 5.2.0), libqt5svg5 (>= 5.0.2), libqt5widgets5 (>= 5.0.2), libqt5x11extras5 (>= 5.1.0), libqtcore4 (>= 4:4.8.0), libqtgui4 (>= 4:4.8.0), libstdc++6 (>= 4.1.1), libx11-6, libxext6.

Anyway, to also match other similar packages in Debian, I also renamed the package "kde-style-kvantum" in my packaging, and added a patch to make the GUI programs qt4 instead of qt5, since the qt5 versions are broken in Jessie. Just delete the debian/patches folder if your qt5 is new enough to work correctly. Here's my debian folder: https://drive.google.com/open?id=0BxE7wbgixC4GTDZ1Zlo2WTU3Uzg


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 Re: Re: Re: Re: Re: Re: Kvantum qt5 on Jessie

 
 by tsujan on: May 22 2016
 
Score 50%

> Also, you don't have to specify dependencies for the finished package in the debian/control file

That was intentional: deb packages built against Qt >= 5.5.1 didn't work well in systems with Qt-5.5.0.



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 Re: Re: Re: Re: Re: Re: Kvantum qt5 on Jessie

 
 by tsujan on: May 22 2016
 
Score 50%

BTW, as the .pro files are made for systems with Qt5 as their default Qt (i.e. most systems), Kvantum Manager and the extra themes won't be installed if the default Qt is Qt4. You should either compile them separately from their own folders or edit 'kvantum.pro'.



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 Re: Re: Re: Re: Re: Re: Kvantum qt5 on Jessie

 
 by stevepusser on: May 25 2016
 
Score 50%

Quote:
BTW, as the .pro files are made for systems with Qt5 as their default Qt (i.e. most systems), Kvantum Manager and the extra themes won't be installed if the default Qt is Qt4. You should either compile them separately from their own folders or edit 'kvantum.pro'.


That's what the patch does to the .pro file during the build, for systems like Jessie that have to use the qt4 ones, because qt 5.3 won't work. The Debian packaging system doesn't let maintainers change original source, except in the form of patches that get applied only for the build. The debian/patches folder can safely be removed for systems with a working qt5.



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