Signal from C++ in QML
There is a code like this // interfaceqml.h class InterfaceQML : public QObject { Q_OBJECT public: InterfaceQML(QObject...
View Articlebreaking up QML into different files.
How can i break up my project into different files. for example I’d like to have my animations on one file my states in another and so forth. so instead of everything on file file I’d like something...
View ArticleBuilding Qt 5 from Git - Debian 7.0 (Wheezy)
Hi Does anyone know if this PPA works for Debian 7.0? PPA [launchpad.net] I was thinking in building Qt from GIT : Your text to link here… [qt-project.org] Just asking before i make a mess of my fresh...
View Article[QExtSerialEnumerato][QThread] memory overflow
Hi.. I’m a pretty simple problem to understand. I need to query in a loop if any new USB port connected. For this, I was using a loop: QList<QextPortInfo> ports =...
View Articlehow to detect active Qframe in mdi area
I need help for detect the active qframe that my app open inside an mdiArea on mainwindow.
View ArticleCan you use QStyleSheets to customize a Q3GridView component
Is it possible to create a custom look and feel using QStyleSheets when some of the compoents are still using Q3GridView?
View Articletesting the GUI of a Qt application
Hi, What’s the recommended tool to test the GUI of a Qt application ? thanks in advance.
View ArticleQWidget size policy and QMainWindow size, frames and layouts
Hello, in a default Qt Desktop application, I set the size policy of the centralWidget to expanding, hoping it would expand to the QMainWindow size. It does not. How can I achieve such expansion? Also,...
View ArticleAnother application check
Does Qt have a way to check to see if another application is already installed? I’m writing a desktop Qt application that talks to R, and would like to check if it’s installed. Perhaps QProcess is the...
View ArticleQt 4.8.4 static build WITH MySQL pluing enabled using MinGw 4.6
Good day I’m able to build Qt 4.8.4 statically with MinGW (similar to these [wiki.batcom-it.net]) instructions). The issue is I want to use MySQL statically with it as well, but I’m not able to do...
View ArticleQt commercial Charts 1.2.1 installation
Hi all, I am trying to use the package Qt Charts 1.2.1 with the trial comercial license. After building the qtcharts, and runninig some examples, I want to use it from my own project, which I am...
View ArticleSelect a Single Column in QTableView
Hi, I have a QTableView with a QSelectionModel set on the QTableVoew. May i know how do i select a particular column only. If i select column number 1 , I should not be allowed to select column number...
View ArticleQT support for Visual studio 2012 ultimate edition
Hi All , I was building QT application using Visual studio 2008 previously with the help of QT add-on for VS2008 on windows Platform. I was using QT4.8 SDK to build the applications and generated...
View ArticleHow do ministro work?
Do you have a chart to show the work flow like openCV? openCV [docs.opencv.org] The android apps use openCV will download the openCV manager if needed then openCV manager will download the require libs...
View ArticleConnection of signal from separate ( child ) thread to slot of mainwindow (...
Hi, How are you doing? This is a relatively simple threading problem. I have a main thread where child thread were created and run called: @dcc = new DetectClassifyComputation();...
View ArticleCan QWidget::update() be called in a sub thread other than the GUI thread?
As the title’s question, I wrote a program to render the complex graphics at a sub-thread (want not to occupy much cpu time for the GUI thread in order to speed up user interaction response) into a...
View ArticleCube OpenGL ES 2.0 example on Windows XP with DirectX 9.0c
Hello, When I run the OpenGL ES 2.0 example on my Windows XP box with DirectX 9,0c, I get a blank window with the following warnings/errors. Can anyone shed light, what I am missing? *QGLShader::link:...
View ArticleHyperlink data in a QTreeItem
Hello, I have implemented my own QTreeItem, which shows data in different rows and columns. Now I want to add hyperlink in the third column. The Items in the third column should be shown as hyperlink,...
View ArticleQt Installer Framework - uninstall
Hi Is there a way of controlling what goes into the uninstaller that is created? I need to delete some files not specified in the unistaller Thanks
View ArticleHow could I register the files do not under the directories of Qt resource...
When I want to make my shader files(developed by glsl) as part of the resource system, it would complain that the files are not under the folder and need to copy them.The problem is, I don’t want to...
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