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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13.10 qtcreateor 271 wont work

Just installed ubuntu 13.10 x86 with all updates. I then installed qt4 libraries and qt creator 271: sudo apt-get install build-essentials sudo apt-get install libqt4-dev sudi apt-get install ...
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1answer
2k views

Are Qt Quick Controls available on Ubuntu 13.10?

I was looking to do UI development in QML, and I really want it to look native. I found the QtQuick.Controls (http://qt-project.org/doc/qt-5.1/qtquickcontrols/qtquickcontrols-index.html), but when I ...
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1answer
89 views

Qt Creator and UbuntuSDK

Please, help me! I'm install Ubuntu SDK with Qt Creator, how it was wrote here click But when I launch Qt Creator there aren't Ubuntu's projects (Projects > Ubuntu > Simple Touch UI)... only default ...
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1answer
130 views

Is it possible to install qt4 without installing qt4-doc?

I am compiling a software from source (bibletime 2.9.2) and among the requirements is Qt4.5+. I found a way to do that by installing all the required packages at a tutorial at ...
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2answers
251 views

Where are Tutorials and is it QML or QT

Hi there my question is that where can i find any good QML tutorials for Ubuntu phone app developing (I've seen the developer.ubuntu.com site but still thats not enough) and witch of the 2 languages ...
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1answer
406 views

Qt compatibility with GTK themes (Qbittorrent)?

How can I make my Qbittorrent look somewhat more like my GTK theme or just normal without switching/changing my current theme? As usual I tried something and this came out: How it looks without ...
4
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0answers
399 views

QtCreator creates unwanted windows [closed]

This issue occurs on raring with the build "qtcreator 2.8.1-0ubuntu1~raring1~test1", the latest from the software center. It works fine in general, but if you click on "Welcome" and than on "Develop", ...
2
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1answer
91 views

Does Ubuntu SDK include entire Qt toolchain?

Does the Ubuntu SDK include all of Qt, or only a subset? If I have existing (non-UI) components/libraries developed under Qt, can I use them in a Ubuntu/Unity/Ubuntu Touch application? Generally, ...
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100 views

Can someone help me port a gameboy emulator to ubuntu touch?

How can I translate a Qt (c++) gameboy emulator to a qml ubuntu touch emulator? Any suggestions would be much appreciated...
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0answers
462 views

Unix Signal handling in Qt Embedded Linux [closed]

I have an application for the USB interface in Qt (Embedded Linux). When a pen-drive is inserted, the kernel sends a signal for that and I want to recognize that signal and I want my Qt application ...
2
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2answers
309 views

How To Use i18n.tr in Ubuntu Touch Projects

I have been using i18n.tr for a while in my Ubuntu-Touch projects. I know what this function is about but I don't know how to add a translation to my project. Where do I have to place my translation ...
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1answer
88 views

Qt Creator reverted back to some previous version

I've had Qt Creator on my machine for quite a while, and after adding the necessary PPAs, I could use it for Ubuntu Touch, the Ubuntu SDK being installed and all. Yesterday, i noticed that Qt had been ...
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1answer
286 views

Why some function definitions appears in italic font in qt creator?

I am using qt creator to work on open source and I am not able to understand some functions name are in italic fonts while declared it in it's class, whereas all other function are in normal font in ...
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2answers
2k views

Ubuntu, installing Qt 5.1.1

I just installed windows 8, Ubuntu twice because it failed the first time somehow (couldn't start from grub). However, now everything works fine. The only exception is that I cannot install Qt ...
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2answers
1k views

QT code for U Touch returns `qmlscene: cannot find qt installation of ''`

I'm trying to start developing for Ubuntu and Ubuntu phone, but I get an error: qmlscene: cannot find qt installation of '' when I attempt to run my application in Ubuntu from the command line. I'm ...
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0answers
103 views

Add custom button with Gtk or Qt on ubuntu login screen

i'm currently working on custom ubuntu distro for local use only. I need to create a custom button on ubuntu login screen. I don't know where to start, how to edit ubuntu login screen? the button, for ...
9
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1answer
714 views

What does the takeover of Nokia mean for the Ubuntu SDK?

Well, the title says it all: What does the takeover of Nokia by Microsoft mean for the Ubuntu SDK, as the Ubuntu SDK relies on Qt which is (was?) a Nokia project?
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0answers
450 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 ...
3
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2answers
3k views

Can I sell my PyQt4-app without having a PyQt license?

I would like to sell a Python application that uses PyQt4. The commercial licenses for Qt PyQt cost thousands of Euros together. Do I need to buy a commercial license? Consider this from a ...
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0answers
61 views

Behavior on listView

I need to scroll an element of a ListView to bottom when user clicks on it, with an animation. I want to use Behavior for the animation, but I do something wrong. I have no problem with the scroll ...
0
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1answer
127 views

Qt sdk for ubuntu development creating 3 Qml2puppet upon design mode

When I create a project in Qt Creator 2.7.1 on Ubuntu 13.04 64bit the project is all fine. But when I enter the design mode on the left side menu, then there are 3 instances of Qml2puppet appearing on ...
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1answer
220 views

ibus 1.4.1 doesn't work with Opera 12

Environment: Ubuntu 12.04 Opera 12 ibus 1.4.1 I've installed ibus-qt and add the two lines below in /usr/bin/opera, but it makes no difference: QT_IM_MODULE=xim XMODIFIERS="@im=ibus" As some say ...
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1answer
349 views

Skype [4.2.0.11] - black Video on KDE - 13.04 32bit

I have this strange issue with skype: using Unity and other DE ( lxde/E17 ) everything works fine using KDE/BE::Shell I have black screen in the video/webcam box ( also in option in video tab) I ...
0
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1answer
231 views

no ubuntu touch templates in qt 5.0.2

I have been using qt for some time now (lastly Qt 4.8), writing some desktop apps. Now I wanted to try doing something on ubuntu touch and so I installed the Ubuntu SDK. What I did was uninstall my ...
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1answer
1k views

Missing compiler error in QtCreator and Qt5.1.0 on Lubuntu 13.04

I can't compile any program in QtCreator on Lubuntu 13.04. I have this error: QtCreator needs a compiler set up to build. Configure a compiler in the kit options First of all, I installed from ...
2
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1answer
1k views

Qt build in Ubuntu 12.04

I have installed Qt Creator 2.7.2 'Based on Qt 5 1.0 (32 bit)'. First I have tried its example analogclock, but its building does not find a command g++, while I have installed the gcc compiler. See ...
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0answers
167 views

qt5 not working

I'm trying to get Qt5 working on Ubuntu 12.04. I downloaded the 32-bit installer from http://qt-project.org/downloads and basically just let it install everything in my home folder. I had to add ...
0
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1answer
118 views

Gtk skip_taskbar_hint (seen in Glade-ui-Designer) equivalent in Qt

With Glade Designer that lets you set up Gtk-Ui's you can check the option that windows are not shown in the launcher. If I take a look at the ui-file generated by Glade, it says <property ...
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1answer
187 views

QT Linguist phrasebook from .TS file

I'm working on a Translation with QT Linguist. Several words have multiple entries so I would like to Reuse the words already translated to "batch translate" the rest of the files. Batch Translation ...
2
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1answer
96 views

db.changeVersion doesn't work as expected

I'm trying to upgrade a DB in an app. I use QtQuick.LocalStorage 2.0. When I call db.changeVersion it works, but db.version doesn't change until app restarts. db.changeVersion(db.version, "2", ...
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1answer
72 views

Change tab from code using ubuntu SDK

How to change tab using code in QML in Ubuntu SDK? The answer is: If tabs are defined as follows: Tabs { id: tabs ..... } then using this: tabs.selectedTabIndex = 0 will get ...
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2answers
411 views

Qt5 with Qt 4.7 on Ubuntu 13.04. How to install it both without conflicts?

I'm using Qt5 and need Qt 4.7 now (for embedded device). Is it possible to install it additionally on Ubuntu 13.04?
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1answer
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QtQuick not found (Lubuntu)

On a fresh Lubuntu 13.04 installation, I installed Qt5 from the official ubuntu repositories. But this installation of Qt5 can't find the QtQuick module. What am I missing? qmlscene test.qml ...
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1answer
87 views

Unity 2d for Qt [closed]

I Need the source packages of Unity 2d to rebuild and run on Qt , the problem is that I'm using Qt on windows right now. and I have no idea how download the Unity 2d on windows 7.
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1answer
2k views

build a project with qmake-qt4

I'm new user of Ubuntu, so excuse me if my question is very obvious. I have a 32-bit Ubuntu 11.10 installed in VirtualBox, and I want to build a project using qmake-qt4, the problem is that I don't ...
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0answers
542 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 ...
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0answers
175 views

Recompile Qt Creator with Qt4

Qt Creator on Ubuntu 13.04 has the cursor theme wrong. I've read this is because Qt5 applications do not integrate in Ubuntu well. So I want to recompile Qt Creator using Qt4. I've downloaded the ...
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1answer
627 views

Compiling software generated with an old version of Qt Designer

I'm trying to compile and install K3dsurf following the instructions in the "Readme", which says: tar -xvzf k3dsurf-0.6.2.tar.gz; cd k3dsurf; qmake; make; ./bin/k3dsurf & ; The problem is that ...
2
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1answer
890 views

Problem with QtCreator after update

I installed the ubuntu-sdk 2 days back on my machine (12.04) and the Qt version that is installed is 5.0.2. Everything was working perfectly, but today there were some updates from the ...
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1answer
55 views

How can I create charm on one node

Firstly I generation nodejs file on the node without charm then my boss said we need charm for generation. I need in this charm QT5, NODEjs, Berkeley db, g++ with gcc but I don't know how create ...
0
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1answer
3k views

How to install SIP+PyQt with apt-get + pip + virtualenv?

[I originally posted this question, under a different title, in StackOverflow (here), but later I realized that my problem is very specific to apt-get, hence I am re-posting it here. Sorry for the ...
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2answers
2k views

“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed

I wrote application for linux which uses QT5. But when I am trying to launch it on the linux without QT SDK installed, the output in console is: Failed to load platform plugin "xcb". Available ...
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0answers
682 views

Setting Qt5 qmake as default Qt builder

By default Qt4 is the default Qt builder in ubuntu 12.10, I want to know how can I make Qt5 qmake as default Qt builder. PS Qt5 qmake installed in /usr/lib/x86_64-linux-gnu/qt5/bin/qmake
0
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1answer
136 views

How to minimize PyBitmessage to the system tray?

I recently installed PyBitMessage, and now I can't get it to minimize to the system tray. If I click the red X, it just exits (unlike Transmission, which can be configured to "survive" being closed - ...
4
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1answer
406 views

Does Ubuntu Phone APIs include Qt Mobility?

I'm currently developping an application for Meego/Harmattan. This app uses Qt Mobility API, and can easily be ported to SailfishOS. I would like to know if this API is also supported in Ubuntu Phone ...
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2answers
2k views

How to pass the image preview from the QML Camera component to a C++ plugin

I'm writing an Ubuntu Touch QML app that captures and processes images from a camera device. The processing is done by a C++ plugin to which I'm passing the URL of the image. I can successfully save ...
3
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1answer
1k views

How to emit onDropped in QML drag n drop example?

In the qml documentation there is a drag'n'drop example: import QtQuick 2.0 Item { width: 200; height: 200 DropArea { x: 75; y: 75 width: 50; height: 50 onDropped: ...
0
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1answer
158 views

How to add Password encryption

I have an encryption app that just encrypts a string and then can decrypt also.. But how can I make it so the user sets a password and the other person has to put in that password to decrypt the ...
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0answers
163 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 ...
0
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3answers
369 views

How to open a crontab file in c++

I am working on a QT application which makes the usage of crontab easier with GUI. But I am facing the trouble of including the jobs in the crontab file from my application . So how do i open a ...