Segmentation fault on QQuickView::rootObject()
Ok, so, what I’m doing is I have an object QmlGui that has a member QQuickView view, here’s the constructor of QmlGui: QmlGui::QmlGui() { ...
View ArticleUsing the console along with a Qt GUI
I apologize if this has been posted before, but I have extensively searched my specific issue and have not found anything. I am working on a project and have developed some modeling software that runs...
View Articlederived QLayouts not owning added Items?
Hi, qt-project.org writes Note: The ownership of item is transferred to the layout, and it’s the layout’s responsibility to delete it. here [qt-project.org] delete qWidget->layout() where...
View ArticleQT5.1.0 RC1 - WebKit / OpenSSL Question
I’m trying to get SSL support added to a Win32 project using 5.1.0 RC1. I’ve followed a lot of random posts and ended up compiling Qt myself but with no luck (it built, but QsslSocket::supportsSsl()...
View ArticleProblem completing the 'Creating a Qt Quick Application' tutorial
With the second tutorial accessed from the welcome page, I am able to drag the icon onto the screen but when I do this step … 1. In the Id field, enter icon. The Icon disappears and the rectangle...
View ArticleQTableView + QStyledItemDelegate + QPushButton editor + openPersistentEditor...
1) Create a QTableView. 2) Subclass QStyledItemDelegate and output a QPushButton in its createEditor member function. 3) Reimplement the setModelData function and put a qDebug() statement to see how...
View ArticleQt Media Encoding Library 1.0 alpha1 available!
Hi everyone I want to present you my own Qt library, here is description: QtMEL is a Qt library that wraps Libav, OpenCV and RtAudio libraries and allows you easily grab your desktop screen, your...
View ArticleIn Creator, What is the easiest way to change project or form names?
I’m hoping there is something I’m missing. Sometimes I have the need to change the name of a project or a form and it takes about an hour to hunt down all the places I need to change the names before...
View Articlelooking for dlls to be linked dynamically under a specific folder?
Hi all, I have an application which requires 3 dlls. For a certain reason, I need to put the dlls under a specific folder. Could you please tell me if there is an easy code to add .pro file or any...
View ArticleCreate GUI and link it to pre written C++ code
Hi, I’m a newbie to Qt. I want to design a GUI and link this GUI to C++ code in getting a user input and perform a calculation to display a data . I’m not interested in modifying the code. Could anyone...
View Articleissue with qmake release and debug version
Hi guys, i want to be able to build the debug and the release version of my program in the following way. If i just type qmake in the console i want to build the makefiles for the debug version....
View ArticleMissing posts
Apparently some posts to threads are disappearing. See this response of code_fodder [qt-project.org] And for sure I had seen this morning something he posted and I had answered and posted question....
View Articlehow to use QNetworkAccessManager::setProxyFactory ( QNetworkProxyFactory *...
I want to get the webpage source code of http://www.youtube.com/ ,but youtube is blocked in my country ,so I decided to access it by a proxy server – hostname : 127.0.0.1 port :8087 according to the...
View Articlebuild error QT 5.02 gui application
I am new in QT. I have created Notepad example project. When I build it I have got an error: 16:51:12: Starting: “/usr/bin/make” /home/sergey/Qt5.0.2/5.0.2/gcc_64/bin/qmake -spec linux-g++-64...
View ArticleQTreeWidget find parent, current item, old parent in dropEvent
I have a QTreeWidget that supports drop & drops. To prevent invalid drop & drops, I need to find out where the item was taken from, where it is going, and what item was taken. Currently...
View ArticlePalette changes in QtDesigner do not show in my application when I run it
Hello, I have built several applications using QtCreator. I make my UI using QtDesigner and I can get everything to work. My only problem is when I change a color (for example a window bgcolor or...
View Articleqqmlapplicationengine refuse to show me something
Hi all, Just checked out qt51rc1. I tried to use qqmlapplicationengine to show a qml file. It seems the application runs silently without showing anything. I did it very simple: in c++ int main(int...
View Article'QTimeZone' is missing on Qt 5.1 RC1
I couldn’t find QTimeZone library on 5.1 RC 1. Do I need to compile it my self? Quote from following URI http://qt-project.org/wiki/Qt-5-QTimeZone [qt-project.org] Proper time zone support is a long...
View ArticleQT Application on Linaro ubuntu Desktop for ZC702 ARM
Hi, I have created a QT application for ARM architecture by using Xilinx linux arm toolchain. So If I am checking the file type it is coming as it is built for ARM. But when I am executing it it is...
View ArticleQT Application on Linaro ubuntu Desktop for ZC702 ARM
Hi, I have created a QT application for ARM architecture by using Xilinx linux arm toolchain. So If I am checking the file type it is coming as it is built for ARM. But when I am executing it it is...
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