Application Styles

Source (link to git-repo or to original if based on someone elses unmodified work): Add the source-code for this project on opencode.net

16
7.1
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 and Installation ***

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(s) at https://github.com/tsujan/Kvantum/releases. There is also a link to 32 and 64-bit Arch packages, kindly made by Josip (metak), in the Files section of this page.

*** 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) For the latest and other releases, please go to the home page! This page may not be up-to-date.
Last changelog:

6 years ago

See ChangeLog inside the source for a more thorough list.

15 Jun 2016
------------
* CPU usage optimization in extreme cases.
* Added two themes to the collection, one of which is translucent by default (KvRoughGlass).
* More QML corrections.

2 Jun 2016
------------
* Dealt with QML peculiarities.
* Added a key for disabling pushbutton contents shift (to Kvantum Manager).
* Added a hacking key for transparent PCManFM-Qt's folder-view (to Kvantum Manager).
* Added KvSimplicityDark to the extra themes.
* Some changes and additions for theme makers.

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.

......

118 comments
Comments/Ratings

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DiscipleOfDante

6 years ago

Darn. That is the biggest problem with KDE is that you are kind of left with QtCurve if you want a decent look that works with GTK

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tsujan

6 years ago

Yes, QtCurve works with GTK2 but not with GTK3. The culprit is GTK3 neither KDE nor Qt.

BTW, for now, there are four Kvantum themes: its default theme, KvDark, KvGray and Dynamo. I maintain the first three and my favorites are the first two.

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DiscipleOfDante

6 years ago

I'm aware but regardless of who is the blame the problem is still there and it still only affects users of KDE.

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tsujan

6 years ago

Believe me or not, users of GTK-based DEs have problems that, compared to what you see as a problem here, can be really annoying. Take the example of CSD or the recent changes in glib, which have broken several GTK3 apps. In fact, being a KDE user, you could feel safe ;)

However, let's be focused on Kvantum here. Making a theme engine for Qt isn't something straightforward at all. Just take a look at ChangeLog inside the source and you'll get a rough picture. Adding a GTK2 part doesn't seem practical to me. Any theme maker could add a matching GTK2 theme to his/her work, as I've done in KvGray. And even the developer(s) of QtCurve abandoned GTK3.

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DiscipleOfDante

6 years ago

As well I hate any and all E17 themes, however Kvantum is a theme engine and the dynamo theme for it is rather nice looking.

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vaxxipooh

6 years ago

g++ -m64 -Wl,-O1 -shared -o libkvantum.so ThemeConfig.o Kvantum.o KvantumPlugin.o shortcuthandler.o x11wmmove.o windowmanager.o moc_Kvantum.o moc_shortcuthandler.o moc_windowmanager.o qrc_defaulttheme.o -L/usr/X11R6/lib64 -L/usr/lib/x86_64-linux-gnu -lX11 -lQtSvg -lQtGui -lQtCore -lpthread -lXext -lX11 -lm
/usr/bin/ld: cannot find -lXext
collect2: error: ld returned 1 exit status
make[1]: *** [libkvantum.so] Fel 1

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tsujan

6 years ago

Most probably you haven't installed X11 development files (libx11-dev in debian-based systems).

Sorry that I can't upload deb or rpm packages here! My reason is the active development of Kvantum. However, compilation is really easy when you have Qt4 and X11 headers.

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vaxxipooh

6 years ago

I have libX11-dev installed i reinstalled it but the problem persist . . .

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tsujan

6 years ago

That error message shows that you don't have libxext-dev, which is a dependency of xorg-dev. So, it seems I should add the xorg-dev dependecy to the installation instructions too. Thanks!

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vaxxipooh

6 years ago

Thanx for that info - now it works :-)

Have a great day

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tsujan

6 years ago

Good! I'll add that info to the INSTALL file. I hope you'll enjoy Kvantum with its default theme, KvGray or Dynamo.

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aelwench

6 years ago

I moved it to /usr/lib64/qt4/plugins/styles, and still the same behavior.

does it require any updates for kde / suse ?

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tsujan

6 years ago

I had a 64-bit OpenSUSE-12.3 on VirtualBox and /usr/lib64/qt4/plugins/styles/ worked with it. Another option can be /usr/lib64/kde4/plugins/styles/, where "oxygen.so" resides.

Are you sure that you closed and re-opened systemsettings after putting libkvantum.so in that folder?

And no, it doesn't require any update because, as I said above, it even worked with an old OpenSUSE.

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aelwench

6 years ago

It seems I have to use root terminal to compile the source code.

Compiling the source code under root terminal solved the issue. although the code compiles just fine under normal terminal.


I don't know if this is a common mistake or something related to my env.

anyway thx for ur patience and keep up the good work.

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tsujan

6 years ago

Good to know that you succeeded in installing it.

Most probably, for whatever reason (bad directory permissions?) others had no read permission for the compiled file and only root could read it. If so, just giving others the read permission would suffice.

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aelwench

6 years ago

I downloaded the latest code and compiled successfully, then moved to the desired location.

But I can't find it in System Settings > Application Appearance > Style > Applications > Widget style

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tsujan

6 years ago

The styles directory may be different in some distros. For OpenSUSE (64-bit) try "/usr/lib64/qt4/plugins/styles/", as is mentioned in INSTALL. Please tell me about the result!

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3KyNoX

6 years ago

Hello !

Does this theme planned for cinnamon in the future ?

Thanks

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tsujan

6 years ago

First, this isn't a theme but a theme engine. Second, it has no relation to Cinnamon; it's for Qt4/KDE4.

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bvbfan

6 years ago

Make .deb or .rpm

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tsujan

6 years ago

That's the job of distro package maintainers. An example: https://aur.archlinux.org/packages/kdestyle-kvantum-kde4/

Compilation is straightforward but hopefully WebUpd8 or NoobsLab will kindly make deb packages, although their focus is more on GTK related apps and themes.

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Jack666

6 years ago

Hi, in the instructions it refers to file
libkvantum.so
which I do not see in the style folder(or anywhere else)

Thank you

BTW I really dig your art. Nice work

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tsujan

6 years ago

libkvantum.so will be created in the folder "style" inside the source only after you compile Kvantum. Provided that you have installed libx11-dev and libqt4-dev, compilation consists of opening a terminal inside the source and entering this command:

qmake && make

As is explained in "INSTALL".

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Jack666

6 years ago

Sorry, I'm new to Linux - how do I open the terminal inside a folder? Which folder exactly?

Thank you

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tsujan

6 years ago

Please read the file "INSTALL" in the (extracted) source folder. The terminal should be opened in that folder.

If you haven't any experience in source compilation yet, preferably wait for an installable package to appear in the repository of your Linux distro. That can take a while and depends on the decision of the maintainers of your distro. WRONG COMPILATION COULD DAMAGE YOUR SYSTEM.

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6 years ago

See ChangeLog inside the source for a more thorough list.

15 Jun 2016
------------
* CPU usage optimization in extreme cases.
* Added two themes to the collection, one of which is translucent by default (KvRoughGlass).
* More QML corrections.

2 Jun 2016
------------
* Dealt with QML peculiarities.
* Added a key for disabling pushbutton contents shift (to Kvantum Manager).
* Added a hacking key for transparent PCManFM-Qt's folder-view (to Kvantum Manager).
* Added KvSimplicityDark to the extra themes.
* Some changes and additions for theme makers.

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.

......

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product-maker brighton35 Feb 08 2021 10 the best
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10 the best
product-maker axel-huerta Nov 09 2020 10 the best
10 the best
product-maker bunnymnemonic Sep 24 2019 10 the best
10 the best
product-maker sohrob May 13 2019 9 excellent
+I think Kvantum is great. Hats off to the folks who developed this application.
product-maker zayronXIO Apr 19 2019 9 excellent
+
product-maker tomjedusor Apr 12 2019 3 bad
- No remove command and after a week trying remove it, no more help from the creator. Be careful of what you install and how on linux too. This software modify definitively your qt files system
product-maker jrjohnstone Feb 12 2019 9 excellent
Wonderful!
product-maker pewpew Nov 12 2018 9 excellent
+
product-maker abgr Sep 12 2018 9 excellent
+ Just created my first Kvantum theme, and all in all it was a joy, i was able to realize most of what i'd had in mind. Posted a few minor issues/feature requests on github. Thanks for your work!
product-maker Frettchen Jun 01 2018 3 bad
-
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