Qt 5.2 "Hello World" on iOS -- What am I doing wrong?
Hello, I wanted to play around with Qt 5.2 on iOS, but it just doesn’t seem to work :) I have simply gone through the example in this video: https://www.youtube.com/watch?v=WFGRr0DV3oM Everything runs...
View Articlesignal called from QML isn't connected to C++ slot, no errors given
I’ve been pouring over Qt documentation for 5 days straight and just spent literally all night trying to solve this one signal/slot error in a prototype, trying to understand Qt. I’m able to connect...
View ArticleQt Mobile app loading time & splash screen
I downloaded Qt QuickForecast app from PlayMarket in order to check performance and look&feel. I like everything (app really is good) except one thing: the loading time. On my Xperia M the app...
View ArticleQt 5.2.x, Mac OS 10.9.1: Trying to construct an instance of an invalid type,...
Hi all. Running my application, I’m seeing errors like Trying to construct an instance of an invalid type, type id: 67129088 Trying to construct an instance of an invalid type, type id: 895772268...
View ArticleQt side menu with different window QtWidgets
Hello, I want to create a tree menu that when I click an Item, a different set of widgets will appear on the right side. (see images below). I already know how to create a tree widget.
View ArticleDraw an OpenGL scene behind a Qt Quick view
Hello, I’m trying to draw an OpenGL scene behind a Qt Quick view (the QQ view is supposed to be used for menu overlays etc.), but it seems like it isn’t working. I’m using QQuickWindow::beforeRendering...
View Articlecan't build...problem with compiler
Hello there, I’m a new user of qt creator…..i have just intalled it on my computer and doing the tutorials, but it happens that, even the exemples, they don’t run properly, Everything i try shows this...
View ArticleCompilation errors in "fancy web browser" example project
Hi all! I’m new to Qt (v5.2) but have been developing c# .net based apps for windows for quiet a time. I chose fancy web browser to start with (as I need to make an automated web browser app myself)...
View ArticleAsynchronous QQuickImageProvider with a timeout
Hi, I can’t seem to figure out how to set a timer with an asynchronous ImageProvider. The first thing I tried was QImage MyImageProvider::requestImage(const QString &id, QSize *size, const...
View ArticlePlaylist index
Hello, I have listWidget with items (songs) and enabled internal move (Ex.1)… So lets say I want to change playlist order and place Song 7 on place of song 3… Items in listWidget change and I guess...
View Article2 klasy a wątki
Witam, chciałbym zrobić w qt wątki, i wszystko jest dobrze, ale jak chcę uruchomić funkcję testowa_funkcja() w wątku void MyThread::run() to wyskakuje że ‘testowa_funkcja’ was not declared in this...
View ArticleNot able to use QtConcurrent - Qt
Hello, I am using Qt-Creator with Qt 4.7.3 for symbian^1. I have never been able to successfully compile an application with QtConcurrent/QFutureWatcher APIs. I tried to compile an example program with...
View ArticleQLabel update()
Hi, If I call a qlabel->update(), which QWidget should be updated? When I update a QLabel inside my QStatusBar and inside my QMainWindow I’m reciving event type 12 (Paint) in: 12: MainWindow 12:...
View Article[SOLVED]QFileDialog: how to choose extension
Hi, I need a dialog window to choose where save a file. I’m trying with: QString path = QFileDialog::getSaveFileName(this, "Save file", "", "*.txt ;;...
View ArticleCannot get screenshot verification point
Hello everyone. I’m a beginner in using Squish (UI testing). I am using it to test an application using Visual Studio and DevExpress. I’m experiencing a problem where I cannot get a screenshot...
View Articlepobieranie współrzędnych z innej klasy
Witam! Mam QGraphicsView w którym wyświetlam obraz i myszką zaznaczam punkty kluczowe. Chce odczytać teraz ich współrzędne i wypisać je na głównym formie w momencie powstania nowego punktu, ale chyba...
View Article[Solved] QByteArray and dynamic memory
Hi Some basic understanding question: I know that the following gives me exactly the memory I need: QByteArray * datagram; datagram = new(std::nothrow) QByteArray [uDataSize.l]; On other...
View ArticleAnalogue of Mylyn
Hi I’m newbie in QtCreator , want to migrate from CDT but can’t find something out which can replace Mylyn with JIRA integration and time tracking CDT tracks my spent work time and switch task...
View ArticleQThread, signals and slots
Hi, I have a doubt regarding qThread. void Worker::run() { qWarning()<<"Thread Started"; tcpServerConnection=new...
View ArticlePromoting inside code.
Hi All, I have a lot of QLineEdit which I need to promote to a subclass of QLineEdit that I wrote myself. How can I promote without using the user interface of QtCreator? I want to do it in the code....
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