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[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 =...

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how to detect active Qframe in mdi area

I need help for detect the active qframe that my app open inside an mdiArea on mainwindow.

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Can 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?

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testing the GUI of a Qt application

Hi, What’s the recommended tool to test the GUI of a Qt application ? thanks in advance.

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QColumnView example

Hello, how can I use QColumnView with a QSqlTableModel object? For example, with this code QSqlTableModel *model = new QSqlTableModel ; model->setTable("dataBaseTable");...

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[Solved] CMake error Qt5Gui extra libraries

I am trying to build with CMake a QT5 application that uses Core, Gui, OpenGL and Widgets modules. CMake finds Qt5Core_DIR, QT5Gui_DIR and Qt5Widgets_DIR, but when trying to find Qt5Gui_glu32_LIBRARY,...

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Qt 5.1 RC版能支持静态编译了吗? 能进行IOS开发了吗?

静态编译很重要呀 …

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使用Qt5.1 RC1开发Android应用程式之休眠状态设定问题

小弟今天使用Qt5.1 RC1开发Android应用程式。 觉得功能相当完整。目前并没遇到Qt本身有任何问题。 倒是Android部份,我想让应用程式不要进入休眠状态。 参考网路得知要用 getWindow().setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON,...

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PySide on Windows crashes during install

Hello, I’ve attempted to install PySide for python 3.2 & 3.3 using the msi installers from http://qt-project.org/wiki/PySide_Binaries_Windows. Both initially crashed during the install after...

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QMetaObject::invokeMethod crash

Hi ! I’m trying to call a QWidget slot from a worker thread with QMetaObject::invokeMethod but the application crash on invokeMethod. void functionRunningOnAWorkerThread() { QString arg =...

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When will Qt 5.1 runtime be available in Blackberry OS firmware?

As in title :)

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Are Nokia qt-components available in Qt 5.1 Android?

Hello there, I need to know if nokia qt-components will be available in Qt 5.1 as generally available for all mobile operating systems. I think that would be a very big value.

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Error installing Qt 5.1.0 RC1 MSVC2012 32bit

I have a very odd problem with Qt 5.1.0 RC1, I am able to install it under c:\ but upon attempting to install it on my other drives it fails and throws an error, It also doesn’t let me create projects...

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QWidget 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,...

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Another 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...

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Qt 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...

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Qt 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...

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Select 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...

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QT 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...

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How 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...

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