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

learn more… | top users | synonyms

8
votes
3answers
7k views

Making python 3.3 default python 3 interpreter instead of 3.2

So, to keep it simple. Ubuntu 12.10 has python 3.2 pre installed and it is linked to "python3". I downloaded python 3.3 and it's command is "python3.3". However, I downloaded pySide for python3 from ...
0
votes
1answer
550 views

Pirateplayer Not able to install, old repository for Qt desktop components!

I have a slow connection so I used to have pirateplayer to download programs from svt.se but after update to Ubuntu 12.10 it wont be able to install. It wont compile because the repository only ...
9
votes
2answers
911 views

Make sniqt recognize all tray abilities (or create a working indicator in Qt)

There is this old thread of mine: How do I create a working indicator with Qt/C++? where I was suggested to use the QSystemTray library for making a tray icon in Ubuntu for my application. Sniqt is a ...
1
vote
2answers
584 views

Clementine and other Qt-based apps crash when click file manager window

I have a problem while play music on Clementine on Ubuntu 12.04 64 bit. It is crash when I click the file manager window on the right side. Anyone has idea? Basically this happens with a lot of Qt-...
2
votes
1answer
2k views

How to make an indicator for Ubuntu? (Because tray is useless )

So as more of you know, ubuntu has dropped the whole thing about tray and bringed something new called indicators.. As far as i know Qt Creator (IDE) is able to make only a tray and not an indicator (...
7
votes
1answer
1k views

How will Qt 5.0 be packaged for Raring?

Note: as per the FAQ, "Issues with the next version of Ubuntu" may not be asked as questions here but in my opinion, this is not an issue but merely a question asking about policy. If you feel this ...
0
votes
3answers
7k views

How to install libQtGui.so.4 32bit on 64bit ubuntu

I am trying to compile the android tree on Ubuntu 64bit 12.04; The build fails on an error of missing shared library libQtGui.so.4; Check /usr/ lib files i found that: /usr/lib/ or /usr/lib32 doesn't ...
1
vote
1answer
586 views

How do I prevent KDE from messing up my Qt dialog button order?

I use mostly GTK+ applications (eg. Geeqie, Audacious, etc.) on Lubuntu. However, I decided to give KDE 4 a try by installing kubuntu-desktop and then removing the apps I didn't want. Big mistake. ...
3
votes
1answer
256 views

How to create and submit package for Qt application

I have an application that I developed in Qt and Ubuntu. Its primary target is Windows but I prefer working in Ubuntu for all sorts of obvious reasons, so I rebuild it using Qt under XP and create an ...
2
votes
2answers
4k views

Can't Set Environment Variables in ~/.profile

All, I need to set environment variables in my ~/.profile since I am running a program (QtCreator) that doesn't start a bash shell. I cannot for the life of me get it to work though. QtCreator will ...
0
votes
1answer
686 views

getting the following error in installing qt creator through software center

getting the following error in installing qt creator through software center. The following packages have unmet dependencies: qtcreator: Depends: libqt4-help (>= 4:4.7.1) but 4:4.8.1-0ubuntu4 is ...
2
votes
2answers
2k views

Can I create a proprietary application using Qt?

I am using Qt4 to build an application and for some reason I want to keep it proprietary. Qt4 is released under LGPL, does that force me to release the code to my application. I ask this question ...
0
votes
1answer
983 views

What causes blurry fonts in Qt applications (in XFCE desktop)?

I am using Xubuntu 12.04 with XFCE 4.8 Fonts in Qt-based apps like VLC look blurry in my user profile, as if anti-aliasing was turned off. Chrome has the same problem. The problem is not system-wide ...
6
votes
1answer
1k views

What is the correct way to use g_signal_connect() in C++ for dynamic unity quicklists?

I want to make my application use dynamic unity quicklists. For building my application I am using C++ and the QtCreator IDE. When a menu action is triggered I want to be able to have access to a non-...
1
vote
1answer
90 views

Can I directly use the Qt and GTK+ libraries I saw in the Update Manager?

I installed Ubuntu 12.04 on my laptop today, and when I was updating it using the Update Manager, I saw it downloading qt and gtk libraries. Does that mean I can use them directly? Or will I need to ...
3
votes
3answers
25k views

Where does apt-get install libqt4?

I've been searching for literally hours and I cannot figure out where for the life of me libqt4 is installed by apt-get. I installed: libqt4-dev libqt4-core libqt4-gui libqt4-xml libqt4-opengl ...
1
vote
2answers
290 views

I wrote a Python/QT app that downloads files. How can I stop it from 'greying out' after few seconds?

Here's the gist. The application is still running and the progress bar will still move, but the window will grey out and if I click the X to close it, a popup shows up and says "The window X is not ...
6
votes
1answer
3k views

How to change QT (KDE) application icons for gnome?

I'm running gnome3 on Ubuntu 12.04 and my dolphin looks like this: I really don't like these oxygen themed icons and want to use the Faenza icons. I tried backing up the oxygen icons and ...
2
votes
1answer
1k views

Problem with package dependencies in Qt4 library

I'm having a problem with dependencies in the qt4 library, and I'm not able to install anything via the apt-get command. apt-get update gives me a normal output. apt-get clean and apt-get autoclean ...
1
vote
1answer
512 views

No widget drag/drop in Qt Creator after Blender-startup

My problem is that every time I start Blender 2.63 in 12.04 (64-bit), I am not able to drag and drop widgets in Qt Creator anymore, even after closing Blender again. I have tried restarting Qt, ...
0
votes
2answers
2k views

g++ cannot find include files (qt3)

allan@allan-VirtualBox:~/blackjack_for_the_hopelessly_luckless$ make g++ -c -pipe -g -Wall -W -O2 -D_REENTRANT -DQT_NO_DEBUG -DQT_THREAD_SUPPORT -DQT_SHARED -DQT_TABLET_SUPPORT -I/usr/share/qt3/...
1
vote
1answer
185 views

How to import Qt app into Quickly on 10.04?

How to import my Qt app into Quickly? The goal of this is to package my Qt app using Quickly.
2
votes
1answer
85 views

python3 can participate to Ubuntu app showdown?

my application works only with python3 and it use QT, can I participate to Ubuntu Application showdown? Right now I don't know how to create the package... Quickly doesn't work with python3
0
votes
2answers
663 views

Is this Ubuntu One DBus signal connection code correct?

This is my first time using DBus so I'm not entirely sure if I'm going about this the right way. I'm attempting to connect the the Ubuntu One DBus service and obtain login credentials for my app, ...
10
votes
2answers
2k views

How do I get QSystemTrayIcon to show up in Gnome 3?

I can get a QSystemTrayIcon to show up in Unity by installing the sni-qt package which acts as a broker between the application and an application indicator for the program. However, running the ...
1
vote
3answers
818 views

Which framework/toolkit for modern unity applications?

I want to code some applications for ubuntu (no other platforms), but which gui-toolkit would be the "official" one... in the past (gnome) gtk+ was my choice, but afaik unity uses Nux. I don't want to ...
2
votes
1answer
142 views

Is there a way to use the “primary toolbar” with QT or Java?

I am developping a software in order to compete in the Ubuntu App Contest, but I am having a problem. I started with quickly and glade, but since I am not very familiar with python, and since now the ...
2
votes
1answer
793 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
635 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
420 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
903 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
914 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
37k 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 ...
1
vote
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
738 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
246 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
678 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
votes
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
765 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 ...
2
votes
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
206 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
792 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 ...