qmake and copying custom files before/after compilation
Hi, I want to be able to copy any file I want from source directory to compilation directory (or any other). I’ve created a simple test function to do that: defineTest(copy_file) { ...
View ArticleBuild a QT/11 application for beagleboard black by cross compiling from ubuntu
Hi everyone, I’m a little confused about how proceed to create QT/X11 applications for beaglebone black. First of all i have succesfully developed, deployed and executed a first simple GUI QT/embedded...
View ArticleSwitching from Qt 5.1 to Qt 5.2 is causing app to crash
I recently downloaded Qt 5.2 and I loaded my working app from Qt 5.1 into it and it keeps crashing because it says that it is calling “startRecording()” on an uninitiated AudioRecord. Here is the error...
View ArticleDIsplay another QML file during initialization
Hi, I’m working on an application which has a quite long initialization procedure (connect to a server, get data from the server, load QML files, images,…). I would like to display another QML file (a...
View ArticleSwitching from Qt 5.1 to Qt 5.2 is causing app to crash
I recently downloaded Qt 5.2 and I loaded my working app from Qt 5.1 into it and it keeps crashing because it says that it is calling “startRecording()” on an uninitiated AudioRecord. Here is the error...
View ArticleCannot compile code against qt4
Hello, I’m running ArchLinux and recently installed Qt4 and Qt5. However, the tutorial that I’m going through requires Qt4. Here is my code. #include <QApplication> #include...
View ArticleCompile error, cannot open output file, invalid argument
After working with my project today, I came across a wierd error: :-1: error: cannot open output file debug\program.exe: Invalid argument collect2.exe:-1: error: error: ld returned 1 exit status I’ve...
View ArticleHow can i quickly switch between designer and source code mode in QtCreator?
Is there a functionality like View Code in Microsoft Visual Studio where we can instantly go to the source code relating to the control/or form we are coding? At the moment there is only an Edit button...
View ArticleProblem with debugging qnetworkaccessmanager
hi, I switched my application from Qt 4.8 to Qt 5.0.2 Now I become an illegal instruction when I try to read a website content with QNetworkAccessManager and I do debugging. Thats the line where the...
View ArticleC++11 and Qt 5?
I’m trying to use (#include <thread> ) in c++11 with Qt 5 but with no luck. I’m using Mac and this is what I did My qmake project QT += core QT ...
View ArticleDoes somebody know where is https://projects.forum.nokia.com ?
Why can’t visit this website [closing, koahnig]
View ArticleDoes somebody know where is https://projects.forum.nokia.com ?
Why can’t find the website?
View ArticleWA_TranslucentBackground doesn't work on Qt 5.2 Windows
Hi, The code below opens a borderless window with qml UI and black background. #include <QQuickView> #include "mainwindow.h" MainWindow::MainWindow(QWidget...
View ArticleQDockWidget Window Icon
Hi, I tried the following code to add a icon to QDockWidget m_pConsoleDockWidget = new QDockWidget(this);...
View ArticleGet data from webpage upon clicks on links
Hi I have a webpage used as GUI. The contents of the page is filled with dynamic data from an SQL server by the php scripts in the webpage. When the user clicks a certain link I need to get the data...
View Articlecopy and paste QGraphicItem on my QGraphicScene
hi i am a new to Qt, i couldn’t find how u will serialize selected items, if you copy an selected item like which i done below i just get a shallow copy of an item, how do we actually get this selected...
View Articleqwindows.dll
Hi, We are trying to migrate our code from Qt4 to Qt5 and we are facing some deployment issues. So far we managed to get it working in debug mode, however when we try to run the release version, we get...
View ArticleHow to make a graphic item paint itself AND its children ?
Hello, I was wondering if there was a way to make the paint method of the QGraphicsItem ( virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0) ) also paint...
View ArticleProfiling QML application on Android
Hi , I got a performance problem in loading QML on Android . Therefore I would like to run profiler on QML itself. However, when I launch the QML profiler within QT creator. The process hang on : D/Qt...
View Articlepthreads and signals
i have a main thread which should have 3 different threads receive thread – which receives data using sockets process thread – process the receive data display thread – display it on gui thing is when...
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