QT 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 ArticleQtSql connection
I am trying to create a connection to a database and insert/delete/make queries to the database. I know SQL relatively well but I cannot seem to wrap my head around it in Qt. I used to program in...
View ArticleQt Creator: accessing an object not defined in the source files
I have a .ui file that looks like this: http://img521.imageshack.us/img521/9753/nol.png Upon one of the QCheckBoxes being ticked, I want Generated Command Line Preview to update itself. Here’s the...
View ArticleIFW start menu
Howdy, How can create a shortcuts in IFW? I know that <StartMenuDir> fixes this issue but it works only for Windows while I’m looking for a solution for Linux. P.S. Where can I find IFW...
View ArticleLoad time with gdb on windows 7
I am using gdb on windows 7, 64 bit. It is obvious that the loading time of a large debug compiled application may take a bit of time to be loaded by gdb. It consumes about 35 seconds, which I consider...
View ArticleHow to prevent slot re-entrancy
Hello, So, I’m developing a system that allows an external computer (lets say a microcontroller) send commands to a desktop application via a serial interface. My idea is to have one object that...
View ArticleChange title font for QT Main window
Hello, I was wondering how we can change the title font of the QT Main window. Please see the attached screenshot.. I tried changing style sheet etc, but it dint work. Also I tried to use c++ send...
View ArticleCan we access camera and alarm clock on Android devices through Qt5.1.0...
I am making an experiment on Qt5.1.0 Android build to test whether these functionalities are applicable through Qt, or can we find workaround ( ie. 3rd party library through C++ ) to meet these demand?
View ArticleAccess MainWindow from different class
I do have the following classes: #include <QApplication> #include <QComboBox> #include "mainwindow.h" MainWindow *w; int main(int argc, char *argv[]) {...
View ArticleQt Application Plugin based
I’m planning to build an application supports plugins (similar to FireFox, Qt Creator, Chromium.. etc). So I’m wondering, Does Qt pluging protocol may help me out or I’ve to build it from the scratch?...
View ArticleSQLite database stays closed.
I am trying to work with databases in Qt and I cant seem to find the problem in my code. string currDir = get_current_dir_name(); db =...
View ArticleStrange behavior with stacked widgets on Mac OS + OpenGL
I’m working on a OpenGL application on MacOS and have run into a wall. The application uses a simple QTabWidget to collect data that is then displayed in the last tab through a OpenGL view. Everything...
View ArticleVPN client with Qt
Hello! My question is short: how implement client for VPN with framework Qt (what classes i must use)? If you have links to examples or docs, please, post that. Thanks!
View ArticleBig trouble!!!!Need help for set up Qt compiler!!!
Hi! I am learning QML from 3 weeks for devloping new ubuntu touch apps!! I’v Qt 5.0.2 installed in My ubuntu bt I install it in windows too. bt when creat new project like Application>qt Quick 2...
View ArticleNo GL output on 2nd QGLWidget
I’m having trouble getting a two seperate QGLWidget views working. They’re two widgets in a GridLayout. My idea was to use the first QGLWidget to setup everything and then share that widget with...
View ArticleWebGL on Ubuntu 13.04? getContext('webgl') returns null
I’m trying to get WebGL to work. I followed the instructions for building Qt5 from the I saw in this thread https://qt-project.org/forums/viewthread/23323/ that egl isn’t supported, only for x11. I...
View ArticleQDataWidgetMapper QCombobox wrong item selected
Hi, I try to edit a sqlite database with a form. I followed this post : Mapping Data to Widgets [doc.qt.digia.com]. The QCombobox is correctly populated with the “nom” field from “familles” table as...
View ArticleCompilation error in Qt 4.8
I got this error “bash: ./configure: /bin/sh^M: bad interpreter: No such file or directory” when I typed ./configure in terminal . I downloaded this file qt-everywhere-opensource-src-4.7.4.zip.
View ArticleQFuture progress report
What exactly progressMaximum, progressMinimum, progressValue and progressText return? It is application programmers responsibility to implement progress report and it is not clear to me how to make...
View Articleاستخدام برنامه نویس Qt
به یک برنامه نویس مسلط بر Qt به صورت پاره وقت/تمام وقت نیازمندیم. متقاضیان میتوانند حداکثر تا تاریخ 10/4/92 با مراجعه به سایت http://mapsatech.com/MTC/JobOpp.aspx نسبت به تکمیل فرم استخدام و ارسال...
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