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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7
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119 views

How to change index in OptionSelector immediately (without animation)?

In my app, I use an OptionSelector to choose from a list of bike stations. I also have a map component with placemarkers for each station. When I tap a placemarker, it also changes the OptionSelector ...
5
votes
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92 views

Program[Digikam] chooses wrong qt lib and crashes

I run Ubuntu 14.04 64bit. Digikam used to work but recently stopped working. I was wondering if someone could help me work a way to resolve this issue. I've had a response from the Digikam mailing ...
3
votes
0answers
59 views

How can I get menu items in a Qt Quick application?

I'm using Qt Creator 3.1.1 on Ubuntu 14.10 (the version installed when you install Ubuntu SDK - the two seem to be the same application). I'm running the default Unity 7 desktop. When I create a new ...
2
votes
0answers
29 views

Can't start ubuntu-sdk

On Ubuntu 14.04.1 LTS 64 bit, I did: sudo add-apt-repository ppa:ubuntu-sdk-team/ppa sudo apt-get update && sudo apt-get install ubuntu-sdk sudo apt-get update && sudo apt-get ...
2
votes
0answers
137 views

Installing android studio

When I tried to install android studio on my 14.04LTS ubuntu system on opt directory as according to mentioned on by clayton(ubuntu user) but I could not install it as accordingly. 1.unpack android ...
2
votes
0answers
148 views

Font hinting problems in Dropbox, other Qt applications

I'm using Ubuntu 14.04 and font hinting works perfectly as usual, except for a couple of applications: Dropbox's preferences and Dwarf Therapist. Since they are both Qt apps, I figure that's where the ...
2
votes
0answers
507 views

How build against qt 5.3.1?

Trying to build qt-creator v3.2.2 from source on Ubuntu 14.10. Fails. Qmake can't find qt5.3.1 $ qmake -r ... Project WARNING: QmlDesigner plugin has been disabled. Project WARNING: This plugin ...
2
votes
0answers
127 views

Unity launcher, dash and menu fonts are not anti-aliased

I am running Ubuntu 14.04. After installing Qt4 settings manager and tinkering with it (changing the font face for Qt apps) I notice that unity launcher, dash and menu and date indicator fonts are not ...
2
votes
0answers
302 views

Multitouch in Qt

I've got a fresh install of Kubuntu 14.04 and Qt Creator/5.2.1, and I'm trying to get multi-touch working for the example applications like photosurface. My input device is an Acer T272HL 10 point ...
2
votes
0answers
238 views

Puzzle Game QML GridView Animation Problems

I've been working on a puzzle game for Ubuntu Touch and I'm facing some issues with animations. The problem seems to occurs when GridView animations (add, move, remove...) play too fast. Something ...
2
votes
0answers
326 views

After compiling QT 5 how do I to update my system? With update-alternatives?

I'm on Ubuntu 12.04. I followed the instructions in this guide in order to compile QT5. Everything compiled fine. My problem now is that my QT related programs are still pointing to an older ...
2
votes
0answers
495 views

Qt 5.1.1 installation problem

I am new to ubuntu and using 12.04 LTS. I tried to install Qt5.1.1 without software manager. I downloaded the qt-linux-opensource-5.1.1-x86-offline.run file and ran it. It ran smoothly and got a ...
2
votes
0answers
562 views

Amarok doesn't start after qt4-related ubuntu updates (from raring-updates)

Last Monday I updated my Ubuntu 13.04 and there were a bunch of qt4 related updates. (I don't know how to have a list of the updated packages which isn't taking a screenshot of Ubuntu Software Center ...
2
votes
0answers
192 views

Compose Key combinations are wrong in KDE/QT apps

On Kubuntu 12.04 LTS. For some reason, Qt applications (Kate, Konsole, etc.) were loading the ISO8859-1 Compose key file, instead of UTF-8. Other applications (Chrome and Java apps, for example) were ...
2
votes
0answers
211 views

PySide application lost icons when upgraded to Ubuntu 13.04

I'm developing an application in Python 3 using PySide. I upgraded my system form 12.10 to 13.04 today, and now I no longer have icons in my toolbar. The icons are loaded using QIcon.fromTheme(). Does ...
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?
1
vote
0answers
24 views

Problem with installing Qt5.3

I am trying to install Qt5.3 into my Ubuntu 14.04(64 bit). While installation process was running suddenly it was showing some prompts and showed several error messages as following: Error during ...
1
vote
0answers
48 views

How to make Qt apps use GTK+ style in Xubuntu 15.04?

I'm using Ubuntu 15.04 right now, and Qt apps like qBittorrent and Clementine looks like they were GTK+ apps, they use the systems icons and style. But I installed Xubuntu in another PC and doesn't ...
1
vote
0answers
205 views

Could not find or load the Qt platform plugin “xcb”

I am getting this error when I tried to run APK Studio in my Ubuntu 14.10 This application failed to start because it could not find or load the Qt platform plugin "xcb". Available platform plugins ...
1
vote
0answers
37 views

KDE 4 Strange Problem

A problem with KDE is really driving me crazy, any help would be greatly appreciated. I have a xunbuntu 14.04 on which I installed kde-plasma-desktop. There are very few styles (System settings -> ...
1
vote
0answers
62 views

How to run Qt app compiled&linked with Qt 4.8.4 on a system with integrated Qt 4.8.6

I wrote an application using Qt 4.8.4. Now I purchased a new PC and installed Kubuntu 14.10 based on Qt 4.8.6. To develop my application, I built Qt 4.8.4 from source using make install and that went ...
1
vote
0answers
34 views

How to force use of “overflow menu” for actions on header bar?

I am using header actions in my Ubuntu SDK app, but I would like to avoid clutter on the header bar. I have noticed that the Android-style "overflow menu" autocreates itself after a certain number of ...
1
vote
0answers
283 views

qmake could not exec error while building Qt from source

I'm having an issue building QT from it's sources. I have to build from sources due to a strange requirement (that's how we are going to do it at work, once we start using QT). Building from sources I ...
1
vote
0answers
51 views

Qt-creator publish tab missing click part

I am trying step by step to write some simple tutorial Ubuntu apps using qt-creator. First I've chosen HTML5 App then after writing some hello code or even after doing nothing I've tried to create a ...
1
vote
0answers
113 views

How to configure Qt to access standard icon resources/themes?

I am developing an app using Qt designer and struggling with mechanizing the icon resource themes. Essentially, I'd like to access all of the standard icons when I click choose resource. Where on ...
1
vote
0answers
346 views

run qt designer/qt assistant with commands designer/assitant respectively

I'm used to an environment where I run the qt designer/qt assistant simply typing designer/assitant in the terminal. I am talking about qt 4. I've been installing packages such as qtcreator and ...
1
vote
0answers
56 views

Qml HUD integration without MainView?

I'm working on an app with Qt Quick Components, I don't want to use any Ubuntu specific components because I want the desktop version of my app to be more portable than that (Qt 5.2 is enough of a ...
1
vote
0answers
30 views

Use SystemSettings 1.0?

I'm developing a new app that I need to use the SystemSettings module for (I need to get the device serial, IMEI and stuff). When looking for a way to get these numbers I came across Ubuntu System ...
1
vote
0answers
99 views

Cannot import directory path to qmlscene

I am trying to import directory in QML as explained, here: http://qt-project.org/doc/qt-5.0/qtqml/qtqml-syntax-directoryimports.html. I have the following ubuntu-app | - extras1 | - extras2 | - ...
1
vote
0answers
42 views

QT 4 update, removing lots of libs

I get a message from Muon update module aksing to update QT 4. Thats fine, but it also want to remove LOTS of libs and programs (incl spotify, ksystemlog, krdc, krfb, kdepim-runtim, userconfig and ...
1
vote
0answers
2k views

Not finding QT4 QWidget after update

Updated from buntu 11.0 to 12.04. I use to have QT4 ver 4.7.4, now I have 4.8.1. My project is failing to build because it can't find #include <QWidget>. A search of the disk tells me there is ...
0
votes
0answers
13 views

ubuntu licence for commercial apps

I want to submit a commercial application in ubuntu software center... in publish process there is a part that ask licence file (list of numbers) First, what is the syntax of this file? Second, how ...
0
votes
0answers
98 views

Installing libgl1-mesa-dev gives unmet dependencies

I am using Ubuntu 14.04 sudo apt-get install libgl1-mesa-dev When I try to run this command I get: The following packages have unmet dependencies: unity-control-center : Depends: libcheese-gtk23 ...
0
votes
0answers
33 views

How to cross compile the qtmultimedia-opensource-src for armhf?

Repost from https://answers.launchpad.net/ubuntu/+source/qtmultimedia-opensource-src/+question/264619 Cross I can't figure out how to build it with cross compiler (on trusty-amd64 for ...
0
votes
0answers
31 views

QAxObject: No such file or directory

I have created a QT 5 Console Application for read an xls file, but when I include QAxBase and QAxObject header files it gives me following error: error : QAxObject: No such file or directory My ...
0
votes
0answers
54 views

How to remove in correct way qt4 development libraries?

Since I am using Qt5 stuff which installed in /opt directory and about to install Ubuntu SDK seems like Qt4 packages will be redundant in my system. Moreover I am not in need exactly Qt4 libs. So how ...
0
votes
0answers
41 views

Errors installing capybara-webkit

I'm trying to install capybara-webkit, I've installed QT already, and purged + reinstalled qt and ruby after that didn't work. Building native extensions. This could take a while... ERROR: Error ...
0
votes
0answers
121 views

Unable to re-install ubuntu-desktop, or fix the broken packages required to do so

I don't know how, but somewhere along the way the package ubuntu-desktop got uninstalled from my machine. I'm starting to notice little breakages all over my system now- I can't upload photos from ...
0
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0answers
37 views

Can I submit my non-free closed-source Qt application to Ubuntu Software Center without providing sources?

I don't want to provide sources of my application. Can I submit it as deb package or other way?
0
votes
0answers
62 views

Unmnet dependecies while installing libglu1-mesa-dev -y for Qt OpenGL support

I am trying to finish Qt installations steps but unfortunately when I try to install libglu1-mesa-dev -y I see following problem: majer@majerPC:~$ sudo apt-get install libglu1-mesa-dev -y Reading ...
0
votes
0answers
20 views

install qtmobility on ubuntu

I couldn't find any good link for downloading qt-mobility packages. and I also couldn't find any good installation guide for this. the most of the links are outdated. Thank you.
0
votes
0answers
15 views

PlayonLinux some issues of starting programmes

I am using the latest version of Ubuntu. Today I installed POL and wine. But while I try to install a program, I get the message: This application failed to start because it could not find or load ...
0
votes
0answers
264 views

Ubuntu 14.10 xrdp works, but Qt Creator doesn't

I'm running Ubuntu 14.10 x64 and xrdp works perfectly, I'm using the Xfce desktop by the way. Qt Creator works, but when I log in using xrdp Qt Creator doesn't open. So I tried running it from the ...
0
votes
0answers
44 views

How to build .deb package with ubuntu-sdk

How can i build a .deb package with ubuntu-sdk? I don't want to publish to the ubuntu software center, only need a .deb package for my Ubuntu-SDK/QT Creator project. Thanks
0
votes
0answers
33 views

Can you use QProcess in a Click Packaged Application?

I am just curious whether this is something AppArmor allows or not? My application works fine on the desktop, but I can't get Standard output or error to even display in my app when I run it from the ...
0
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0answers
97 views

Why doesn't Transmission-qt use Oxygen theme in Kubuntu?

transmission-qt doesn't use oxygen theme on Kubuntu. The buttons are GTK style. How do I get Transmission to use Oxygen theme? Thanks.
0
votes
0answers
50 views

Qt-wallets will not open after 14.04 upgrade?

Qt-wallets will not open from folders or terminal after 14.04 upgrade. when I attempt to launch from terminal it gives me as follows for the reason: error while loading shared libraries: ...
0
votes
0answers
55 views

this qt-mt driving me crazy help

checking for Qt... configure: error: Qt (>= Qt 3.3 and < 4.0) (library qt-mt) not found. Please check your installation! For more details about this problem, look at the end of config.log. Make ...
0
votes
0answers
68 views

Signal called on user logout

I would like to ask what is the signal that is called when the user logs out? I have a Qt gui app that has handler for SIGTERM and SIGHUP signals. The app also has its own close event handler, so user ...
0
votes
0answers
39 views

How do I implement multiple keymaps into a kernel?

my problem is as follows: I have a custom-made kernel that has no functionality in regards of changing the keyboard mapping. It is possible to compile a different keymap into it, but that's it. The ...