Qt Creator is a cross-platform integrated development environment (IDE) using the Qt Framework. Questions about how to use the tool to develop your applications, installation issues.

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Access appmenu in GNOME Flashback

I use GNOME Flashback (Metacity) in my Ubuntu 14.04 LTS installation because of performance (it's running in VirtualBox). In this mode, the menu bar of an application is usually placed below its title ...
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1answer
17 views

Is there Qt Creator documentation available in a ubuntu or debian package?

From QtCreator, aka the Ubuntu SDK, I can ordinarily access documentation for classes such as QString and all QObjects, however, I can not access the documentation for classes such as: ...
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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
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Ubuntu SDK keeps crashing at random times

Ubuntu SDK keeps crashing at random intervals. I'm running Ubuntu 14.04 with latest version of Ubuntu SDK. Error is: QPainter::setBrush: Painter not active QPainter::drawPath: Painter not active ...
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1answer
19 views

Do I need to install libcurl source package to use it for development?

I am working on a project that I used to use in a Windows environment. I recently migrated to KUbuntu and installed everything I needed (Qt, QtCreator and libcurl). However, after installing libcurl, ...
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1answer
19 views

Replace secret key placeholder at build time

I'm developing an Ubuntu touch app in QML, and would like to keep an API key reasonably secret (at least I don't want to have to commit it into the VCS). I see that you can define environment ...
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78 views

Error connecting Qt Cretaor to Raspberry Pi using ssh

I have generated a image for the raspberry pi board using buildroot 2014.11, but while connecting Qt Creator via ssh to raspberry pi board it shows the following error. Connecting to host… SSH ...
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1answer
89 views

using ubuntu-sdk to create app with problems

I upgraded my ubuntu 14.04 to 14.10 to use the latest ubuntu-sdk. But When I created a simple UI project there is just a red wave line under the "import Ubuntu.Components.1.1". So I moved my mouse to ...
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20 views

How do you return a list of the current project folders and files of your current project in QtCreator?

I think Qt must have this, because QtCreator has a list on its sidebar: Ideally I am just looking for a Qt function that will just return this list. Thanks.
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188 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 ...
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1answer
57 views

Creating a shorcut for application

I have two versions of qtcreator: first is installed by apt and binary is located in /usr/bin/. Second is installed in a custom location (I used a bundle from qt website). I run second version from ...
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29 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 ...
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51 views

How do I run .ui files in ubuntu 12.04?

I created a very basic .ui file and edited it using pyqt. Now when I click the ui file, it opens in QT Designer. How do I run it? All it does in print ham (hehe). I'm sorry about my language, Please ...
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1answer
36 views

(QML) What does the “?” do in defining properties?

Popey { working: visible ? 100 } What does that "?" indicate in this example?
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47 views

Anybody know how to delete a file from QML without resorting to a C++ plugin?

Anybody know how to delete a file from QML without resorting to a C++ plugin? It should be possible to do in the folder that my app uses for data storage.
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18 views

In the Ubuntu SDK, is there a way to view all global variables in current project?

In the Ubuntu SDK, is there a way to view all global variables in current project? Working on one of the core apps, and I want to figure out if any global variables have been defined for the current ...
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2answers
64 views

Qt Creator - auto code generation

I have Ubuntu-Sdk IDE and I am doing HTML5 Programming in Qt Creator IDE, it is working absolutely fine, but when i click on Ctrl + Space, Auto Code is not generating, Please let me know what can i do ...
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1answer
60 views

unable to install ubuntu-sdk

qtcreator-plugin-ubuntu: Depends: libgcc1 (>= 1:4.1.1) but 1:4.9-20140406-0ubuntu1 is to be installed Depends: libqt5core5a (>= 5.2.0) but 5.2.1+dfsg-1ubuntu14.2 is to ...
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1answer
80 views

QtCreator does not start up

I have installed Qt Creator using Ubuntu Software Center but when I try to run it nothing happens. There is no error message, no new process, no new window.
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1answer
69 views

How do you equally space out elements in a Row?

Row{ width: parent.width spacing: ???? Checkbox{} Checkbox{} Checkbox{} Checkbox{} } So just to be clear, the checkboxes should be spaced in such a manner that however wide ...
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1answer
63 views

How to you get a flickable to do a smooth scroll?

Flickable{ Button{ onClicked: parent.????????? } Or do I have to create a function for this?
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1answer
38 views

Why does the Ubuntu SDK tell me, “do not use comma expression”, and what should I use instead?

So for example: onCurrentlyExpandedChanged: flickable.DragOverBounds, flickable.contentHeight += itemHeight,console.log(itemHeight) The commas will have a yellow underline, and the tooltip will ...
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2answers
93 views

Numeric pad always enter digits

In KDE there is an option to keep number work as if it is on: . But it does not work in edit area of Qt Creator. How can I solve this problem?
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60 views

Unable to build QtQuick 2 projects

I'm running Xubuntu 14.04, and I have the following packages installed: qt5-default (5.2.1) qtcreator (3.0.1-0ubuntu4) qml (5.2.1-3ubuntu15.1) They were installed from the official repos and are ...
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125 views

(QML) Flickable not working as supposed

So, while building an Ubuntu app I needed to use Flickable for scrolling, so now I have code of the form Page{ ... Flickable { anchors.fill: parent content.height: element1.height + ...
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Problem after editing rc.local in Ubuntu

I had a problem with QT Creator debugger. I received this error whenever I tried to debug : ptrace: Operation not permitted. Could not attach to the process. Make sure no other debugger traces this ...
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1answer
936 views

Ubuntu Qmake is not an executable

I have the latest versions of qtcreator, qt5-qmake build-essential and g++ installed. In option of Build & Run and choose qmake in /usr/bin/qmake I get this error: The qmake executable ...
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1answer
99 views

Where are the Build and Src locations for QtCreator?

In the QtCreator Plugin Creation Wizard, this http://doc.qt.digia.com/qtcreator-extending/images/firstplugin-pluginsetup.png window asks for Qt Creator Sources, and Qt Creator Build. I installed ...
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64 views

Install older Qt Creator in 14.04

How can U install Qt Creator 2.x on Trusty Tahr? I don't like 3.x series because it links against Qt 5 and, 1) my KDE is not linking against 5 yet, 2) I'm making widget plugins for QtC using Qt4.
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1answer
44 views

Pair Programming in Ubuntu SDK?

How do you do collaborative code editing, aka pair programming, in the Ubuntu SDK? I heard you can do this in Vim, and I wonder if the Vim functionality in QtCreator makes this possible.
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8 views

In Ubuntu SDK, how do you search for text which include linebreaks?

If you ctrl+f in Ubuntu SDK to browse through your code, and you paste within the search box a multi-line piece of text, it will fail to find any results. Is there a way to get around this ...
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2answers
94 views

How to get KDE4 for building a project in Ubuntu 12.04?

There is a command find_package(KDE4 REQUIRED) in the CMakeLists.txt file from the question How to make a project of Krusader. My attempts to build the project in the Qt Creator result in a message ...
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1answer
132 views

Ubuntu SDK: How do I implement a “onClick” for an image in QML?

I have a background image for my page, and I want to implement a sort of page refresh when the background is clicked. However, I didn't find any actions for the image element in QT quick. What's the ...
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1answer
671 views

Install old QtCreator on Ubuntu 14.04

I want to build my application on Ubuntu. The last versions have been tested and programmed under Windows, because it is a multiplatform application. Sadly, under Ubuntu the systray icon did not work ...
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1answer
804 views

unable to run make during installation of kernel 3.3.6

desktop:~/Desktop/linux-3.3.6$ make xconfig make[1]: Warning: File `scripts/kconfig/.zconf.tab.o.cmd' has modification time 1.7e+04 s in the future CHECK qt * Unable to find the QT4 tool qmake. ...
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1answer
145 views

Qt creator Learning tutorial for ubuntu 12.04

I am a new user for Ubuntu and qt creator, I want to learn Qt program with examples. Where could I find documentation about Qt Creator?
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How to remove shortcut to open device panel in QtCreator in Lubuntu 13.10?

I have just upgraded to Lubuntu 13.10 and when I use shortCut LShift + RShift to change keyboard layout in QtCreator it switches to the Ubuntu device panel. But in keyboard shortcut settings there is ...
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33 views

QML: How do I set my icon in the Ubuntu SDK with a CMakeLists based project?

How do I set my icon in the Ubuntu SDK with a CMakeLists based project? Do I need a specific type of image file, or can I use just a png?
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500 views

Ubuntu and Qt creator keyboard layout change problem

When I run Qt Creator on my Ubuntu 14.04 with English layout, it always types in English and it won't change if I change my layout to other language. In front, when I run Qt Creator with Persian ...
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2answers
150 views

How to configure version control for Qt?

It might be just a basic thing for many, but I'm stuck at "Qt version control", and it's really annoying me. I'm on Ubuntu 12.04 LTS and my Qt version is 2.4.1. Here's the message which is displayed: ...
3
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1answer
415 views

QML: How to do variables?

In QML, I am just looking for a way to do fairly simple variables: Bool String Integer
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1answer
105 views

QML: QtQuick Extension Plugin - What is URI?

When starting a new Qt Quick Extension Plugin, it asks me to specify Object Class Name (Easy enough), but also something called URI. What does URI stand for? What does this project need URI for? ...
3
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1answer
52 views

What is the difference between Ubuntu.Components and QtQuick?

QtQuick 2.0 Ubuntu.Components 0.1 Are two common imports when developing applications for Ubuntu. Are these classes? Can you import member functions this way? If yes, how can tell what member ...
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1answer
4k views

Ubuntu 14.04 QtCreator Qt5 examples missing

After upgrading to Ubuntu 14.04 I removed the official qtcreator in order to install the modified version from the software center because I'd like to try the SDK. Fortunately, the docs are now ...
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1answer
397 views

module “QtQml.Models” is not installed

After upgrading to Ubuntu 14.04 I removed the official qtcreator in order to install the modified version from the software center because I'd like to try the SDK. Fortunately, the docs are now ...
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0answers
24 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 ...
3
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2answers
399 views

Difference between Qt Creator and Ubuntu SDK?

Having downloaded them both when I installed the Ubuntu SDK, I wonder if there is any tangible difference between the two, such as the libraries being employed.
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ubuntu 12.04: Path Include in Make/options file

I am using OpenFOAM with QtCreator. Currently I have to implement some Integralfunctions with several input parameters like: Code: class IntegralFunctionB { private: double x; double y; ...
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1answer
1k views

“No executable specified.” Ubuntu SDK Unity8

Was working last night, but today when I started up again, I could not run unity8 out of QtCreator/UbuntuSDK. After building and running, it just states: "No executable specified." FYI; This is a ...
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Which PPA should I branch for developing the Unity Desktop UI itself? [duplicate]

In 14.04 using the ubuntu sdk. Imported lp:unity8, and lp:unity-mir. Unity8 requires unity-mir. unity-mir requires Qt5 core. I have it installed from the repositories, and so I just do not get what I ...