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Questions tagged [qt]

Qt is an application and UI framework. The K Desktop Environment is based on QT.

Qt is an application and UI framework. The K Desktop Environment () is based on QT. It is a cross-platform framework for developers using C++ or QML, a CSS & JavaScript like language.

Website: https://qt-project.org

Wikipedia: http://en.wikipedia.org/wiki/Qt_(framework)

292 questions
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4 answers

What is difference between GTK and QT applications?

Many packages are available in both GTK and QT versions. What's the difference between them? Is there any difference in performance or working method?
Pandya
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Multiple Keyboard Layouts and Shortcuts

I configured KDE to switch easily from a bépo (french-dvorak) to an azerty layout. I configured it with the KDE interface (systemsettings), but I guess it just call setxkbmap be and setxkbmap fr. The azerty layout is the default (and the first in…
Clément
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10 answers

How do I change which version of Qt is used for qmake?

I feel like there should be a simple way of doing this, but my googlefu is failing so I'd really appreciate some info on how to switch (or even permanently change) which version of Qt is used when doing qmake. If I ask which version I get the…
Tamsyn Michael
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27
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4 answers

How to restore Okular default (toolbar) settings

I've somehow managed to remove the toolbar and menu-bar from Okular. After I've found no way to reactivate them from "outside" – sice I can't click on Options anymore – I've tried to reinstall a clean version after removing it with apt-get remove…
alex
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4 answers

qtconfig tool for Qt 5?

I've just installed QT 5 in Arch Linux, but only qtconfig doesn't work: %> qtconfig qtconfig: could not exec '/usr/lib/qt/bin/qtconfig': No such file or directory Yes, there's no such file, not even /usr/lib/qt5/bin/qtconfig Any ideas where to…
daisy
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4 answers

How to make Compose work in GTK and Qt apps?

I used Gnome for a long time, but preferred vanilla X input method (xim) over the default GTK behaviour. I just set GTK_IM_MODULE and QT_IM_MODULE environment variables to xim, and didn't have any problem with multiple-layout config, Compose key,…
sastanin
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1 answer

Could not find the Qt platform plugin "wayland"

I get the following error when I run vlc: $ vlc VLC media player 3.0.11 Vetinari (revision 3.0.11-0-gdc0c5ced72) [0000561d2cc24a30] vlcpulse audio output error: PulseAudio server connection failure: Connection refused [0000561d2cbf2f50] main…
Pooya
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16
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1 answer

Chromium - Enabling Widevine Content Decryption Module

I am trying to enable Widevine inside Chromium in order to play video from source like Netflix. Recompiling Chromium is not really an option since I use Qt new browser that uses Chromium. I'm trying to find a way to ship the plugin with my…
Astro
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15
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1 answer

How can I upgrade my deb package

I have qt project and deb package that is built using following command: dpkg-buildpackage -us -uc After this action, my package is ready to install. But if I have my package installed and I want install the same or newer, it removes all files which…
Vlad
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4 answers

Mounting and modifying a loopback file without sudo/root, is it possible?

I'm trying to adapt a tutorial into an easy to use script http://qt-project.org/wiki/RaspberryPi_Beginners_guide. I'm trying to reduce the need for sudo/root as much as possible (preferably, only for the final dd step). My questions are: Can I…
Keyz182
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4 answers

How to dump the icon of a running X program?

Is there a way to get the icon of a running X program? When you switch between windows, you could see the icon of it, e.g through xfwm4.
daisy
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14
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6 answers

Scaling/HiDPI issue for QT5 applications under GNOME

I have a problem with QT applications (i.e. picard or masterpdfeditor) under GNOME: their interface looks tiny. Instead, GTK application looks good. I would like a global solution which will work across all applications, not a per-application fix. I…
mattia.b89
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5 answers

How can I set the default font size for all Qt5 apps?

I run Gnome, which has pretty good support for my HiDPI screen. However, when I run QT apps I can't seem to find a way to scale the fonts. Is there a way to do this without installing a full version of KDE?
Ben Davis
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11
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1 answer

How to give the same order for "OK" and "Cancel" buttons in KDE and GNOME applications?

I have installed some KDE and GNOME applications on the same computer. I use the applications at the same time. I find, I often hit the wrong button when I see "OK" or "Cancel" or "Yes" or "No" buttons, because the order is different. Is there any…
Village
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How to tell what GTK and QT toolkits your applications are using

I am running Lubuntu 16.04 and would like a more unified look to my file chooser dialog boxes, so I trying to work out what toolkit each application uses, so then I can then figure out which configuration I need to change. So potentially on my…
Mike Bounds
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