Qt is an application framework originally created by Trolltech and currently managed by Digia. The KDE desktop uses the Qt framework for its applications.

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2
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1answer
739 views

Qt menus disappear in Unity

I have a fresh install of Ubuntu 12.04 and updated the whole system last week. (just to clarify that I'm up to date) When I'm using qt applications like QtCreator, Opera, Dolphin and so on, their ...
4
votes
1answer
546 views

How to run an application in /opt?

I want to know how one can run his application in /opt and installed in /opt. I want it for the ubuntu app showdown http://developer.ubuntu.com/showdown/ I will be using qt with qt creator and c++; ...
5
votes
1answer
346 views

Getting list of installed apps (NOT packages)

How can I get list of installed apps (based at files in /usr/share/applications/) without writing own parser? I need just app name, path to app icon and path to launch app. I'm using C++ with Qt ...
0
votes
1answer
768 views

How to change the icon for Qt application?

How can I change application icon (launcher icon) for my Qt-application? Now it looks like a question mark and I want to change it.
1
vote
1answer
1k views

How do I install libqt4.7.4?

I need to use libqt4.7.4 (or .3) on the latest build of Ubuntu. Is there any easy way to revert to that version. Will it break anything? sudo apt-get install qt4-dev-tools=4.7.4 errors with 'Version ...
10
votes
2answers
830 views

How to use gettext to make QML files translatable

I'd like to write a QtQuick app based on Python (PySide) and QML. I know Qt apps have got their own translation technology, but I would like to stick to gettext for this one. I'd like to know if it's ...
53
votes
1answer
34k views

Should I use PyQt or PySide for a new Qt project?

Recently I've been involved in conversations about creating a Quickly template for a Qt and QtQuick Ubuntu app. The idea is to make it as easy to develop Qt apps from concept to package as it is right ...
0
votes
1answer
1k views

QT Installation Missing compiler

I have used Linux in the past but not for a long time and so I am a bit rusty so apologise if I am asking something obvious or in the wrong stackexchange site. There are a few things with regards to ...
4
votes
1answer
677 views

How can I remove icons from menus of QT apps?

VLC, Skype, Clementine and Virtualbox (the four QT apps I use) all have icons in their menus. The rest of my system's menus are all iconless, How I like them. I'm using 12.04.
10
votes
1answer
1k views

How to create a new Quickly application template?

Cannot find the answer elsewhere, I'm asking for a documentation of the process to create a new template for quickly. I'm interested in writing a pyside (python + qt4) template like the pygtk one. ...
1
vote
2answers
2k views

error while loading shared libraries: libQtSql.so.4: cannot open shared object file: No such file or directory

A similar issue is found elsewhere but only with 32bit programs. I have this problem when trying to run clementine - which is 64bit, i checked the binary i have - and ubuntu-one-control-panel-qt I'm ...
0
votes
1answer
243 views

Unable to install Qt XUBUTNU 12.04 fresh install

I've Qt SDK which is an offline installer. According to the instructions given for installation, first I have to chmod u+x Qt_SDK_Offline.run then ./Qt_SDK_Offline.run But when I do ...
3
votes
2answers
2k views

QT 4 packages create dependency problems

I am using Ubuntu 12.04. I recently performed an upgrade for my system. Now, when I try to install a package (aptitude for example), I see this: Reading package lists... Done Building dependency tree ...
3
votes
0answers
1k views

Qt Apps problems in Ubuntu 12.04 [closed]

I have a few Qt applications on my Ubuntu 12.04 Laptop, and not all of these seem to be running as desired. The applications in question are Tomahawk, Clementine, Rstudio and Speedcrunch. Not all ...
1
vote
3answers
659 views

qmake error when trying to build qwbfs

I'm trying to install qwbfs application but when i enter the command : make i get this: tools.c:8:25: fatal error: openssl/md5.h: No such file or directory compilation terminated. make[1]: *** ...
2
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0answers
1k views

When I install Xubuntu 12.04, the Qt-applications font is horrible

What is the proper way to set up fonts in Skype, VLC, and so on?
8
votes
1answer
2k views

Icon theme doesn't affect some Qt-applications [duplicate]

I changed the icon theme in Ubuntu 12.04, but it doesn't affect Qt-applications. They have the default theme. For KDE applications the icon theme can be changed with the systemsettings package. This, ...
0
votes
1answer
721 views

Creating a GTK theme, but Qt and Java apps are not affected, and title bar button layout is ugly

I'm playing with a gtk2 / gtk3 theme which I use in the Mate desktop. Everything is looking well, even gtk3 apps, but I still have 3 important issues: Java apps ignore the theme QT apps ignore the ...
1
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2answers
14k views

How to install qt 4.8 from repository?

How to install qt 4.8 and QtCreator from repository ?
3
votes
2answers
2k views

How to make qt applications to choose Regular style font by-Default?

In modern Ubuntu versions (11.10, 12.04) there is an additional style for Ubuntu font called 'Medium' it's slightly thicker than a 'Regular' style user by default. The problem is that all QT apps ...
1
vote
1answer
189 views

Unity, C++, opening a Unity folder out of a QT-application

I wrote an QT-application, which shows a "QTreeWidget" of a certain directory and its sub-directories. Now I would like to make unity open a folder e.g. /home/Username/, by clicking one of the ...
2
votes
1answer
778 views

The new QT GUI for existing applications will be integrated with the Ayatana overlay scrollbars?

With the last updates in Ubuntu 12.04 at least two new GUI in QT for existing applications are landed: Ubuntu One Control Panel, and Checkbox (the system testing tool). These new GUIs are pretty good, ...
8
votes
2answers
5k views

How to add shortcut to unity launcher programmatically?

I'm developing a program in Qt that will help users to manage (create, edit and delete) their quicklists in Unity launcher. I got to a point where I created .desktop file and I don't know how to ...
0
votes
1answer
452 views

How can a Qt application be notified that the user's session is ending and provide it with opportunity to save its state before being terminated?

I am writing a Qt application and have run into the following problem: when the user logs out or attempts to shut down the machine, the application is instantly terminated without providing it any ...
2
votes
1answer
896 views

Problem: qt-gtk-engine

I need to install this package in my Ubuntu 11.10 Oneric Ocelot. But, as I understand - this is obsolete now. But how can I install GTK+ engine for Qt?
0
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1answer
2k views

qt4-x11 4.4.7.0 in Lucid

Can this version of QT4 be successfully be installed on Lucid. So many things I try to install depend on this. Error: Dependency is not satisfiable: libqtcore4 (>= 4:4.7.0~beta1) Calibre PPA-Lucid ...
1
vote
0answers
200 views

unmet dependencies: libqt4-dev qt4-qmake [duplicate]

Possible Duplicate: How do I resolve unmet dependencies? Is there anything I can do about this ? It seems that synaptic has updated qt4-qmake to version 4.7.2 but all the dependent ...
0
votes
1answer
1k views

What package do I install to use Oxygen in Qt4?

When you install some qt apps in ubuntu like smplayer and lyx, you can change their appearance eiher with their preferences menu or with the qt-config utility. You can choose between several themes ...
0
votes
1answer
5k views

error while installling qt mobility tool kit

I am installing qt mobility tool kit but it shows an error message : 1.2.0/src/multimedia' make[2]: Warning: File Makefile' has modification time 1.1e+04 s in the future g++ -c -pipe -g ...
7
votes
1answer
1k views

How do I enable global menu for Qt applications?

Is there a way to enable the global menu for Qt applications on Unity? By default they do not use it.
0
votes
2answers
2k views

Minimal package to install Qt Assistant

We are using Qt Assistant as our help system for a custom application that will run on Ubuntu. In building the .deb package, I need to include a "Requires:" value that makes my package dependent on ...
10
votes
7answers
14k views

GTK+ in Kubuntu apps look bad

I have installed Evolution email client on Kubuntu 11.10 and it's not so cute as expected. Eclipse also looks bad. I have the GTK+ Appearance plugin in KDE System Settings and already tried QTCurve ...
25
votes
4answers
10k views

What's the difference between GTK and QT?

Please bear with me as I'm a newcomer to Linux. I've been writing GUI programs in REALbasic on a Mac for several years. I'm trying to learn Python and I want to write GUI apps for Linux (primarily ...
4
votes
2answers
616 views

How to make a .deb installer for PySide (Qt) project

I have made a small software using PySide, a GUI library for python using Qt. I have successfully built it into an executable for Ubuntu. ...
5
votes
2answers
3k views

Why don't Qt4 apps in Lubuntu pick up the GTK theme? [duplicate]

I've installed Lubuntu and replaced the default players with Clementine for audio and VLC for video. The problem I have is that neither pick up the GTK theme, the way they usually do in Gnome/Xfce. ...
1
vote
1answer
2k views

What version of Qt is supposed to be in 11.10?

I recently installed Ubuntu 11.10. In distrowatch the version of Qt is 4.7.4. In installation is 4.7.4 too. But I think it's not the real Qt 4.7.4! Because there is no Persian translation in ...
1
vote
2answers
2k views

Cmake not finding Phonon

I'm working on a Qt application that uses Phonon and has CMake as it's build system. When I try to configure the application I get the following configure output: -- The C compiler identification is ...
0
votes
1answer
2k views

Kernel xconfig for cross-compilation fails with “no package 'qt-mt' found error”

I am cross-compiling a Kernel.org Linux kernel (linux-3.0.4) for an embedded ARM system. A few days ago, I was able to successfully build the kernel xconfig on an Ubuntu 11.04 Natty (64-bit) host ...
2
votes
2answers
3k views

How do I install Qt sdk 1.1.3?

Has anyone had the same problem that I have with the full Nokia QT sdk offline installer that I have experienced with Ubuntu 11.1?? What happens is that when I run the installer it tells me that I ...
9
votes
2answers
2k views

Unity Launcher API for C++

I am trying to develop some program in QT with QT SDK. Yesterday I was reading about Unity Launcher API on official ubuntu website. But there is example only for Vala and python. Is possible to use ...
1
vote
1answer
283 views

Will I have to install those KDE libraries if I want to run some apps written in QT?

I don't know much about QT and GTK+, but I've heard that QT is for KDE and GTK+ is for Gnome. Now I'm using Gnome and I want to use a C++ IDE. It's said that QT creator is a nice choice for c++ ...
13
votes
2answers
869 views

What are the conceptual and technical differences between “Apps” and packages?

I'm a bit confused by the recent announcement (http://developer.ubuntu.com/2011/09/announcing-the-ubuntu-app-developer-site/) of the new "App" developer site. I've fallen out of Ubuntu development and ...
3
votes
1answer
265 views

How do I get ~/.XCompose to work on QT applications while using Ibus?

I'm trying to use ~/.XCompose in Qt programs like Anki, but they don't recognize my settings (a + _ giving ª instead of ā, for example). Most help guides online tell me to set QT_IM_MODULE to XIM, ...
3
votes
2answers
426 views

Mozc does not work for Qt applications

I installed Ubuntu Natty 2011.04 from scratch, and then mozc (Google's IME, which I prefer to other options) which provides Japanese input. It works in all applications EXCEPT Qt-based applications ...
4
votes
1answer
2k views

How can I make QSSTV recognise my sound device

After reading this article from Instructables I wanted to try it out in Ubuntu. Luckily QSSTV is available but I'm having problems getting it to work properly. When pressing the green light (to ...
13
votes
4answers
10k views

make qt programs look good under XFCE?

I use xfce. My problem is - some programs look nice and some sort of ugly. AFAIK this is because XFCE is gtk and most programs use gtk theme, but some programs use qt and thus don't use gtk themes ...
0
votes
1answer
324 views

How do I compile SMPlayer?

What do I need to install qt development libraries, so that I can then compile smplayer? I can reasonably handle the C/C++ side of things, but I somehow always get lost whenever I try to set up a ...
4
votes
2answers
2k views

Using AppIndicators with the Qt framework

Is there a class or library somewhere that makes it easy to use the new AppIndicator framework from within a Qt application? It seems strange that I should have to include GTK headers / libraries ...
0
votes
0answers
87 views

How do I build Qt4 for Windows so I can compile a Windows application? [duplicate]

Possible Duplicate: How to setup Qt Creator to compile Windows executables? I would like to know how to build QT4 for Windows so I can build the latest Warzone 2100 master on my computer. ...
3
votes
3answers
9k views

How to setup Qt Creator to compile Windows executables?

The version of Qt Creator that ships in the repos. can compile Linux executables out of the box. However, it seems like some configuration is necessary to get it to compile Windows applications. I ...