Qt 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...
View Articledrawing a point over an image on QLabel.
I displayed a picture on QLabel and wanted to take coordinates and paint a point on image on mouse click event. I am able to get coordinates but painter is painting point below my image on label, i...
View ArticleCompile Qt (./configure -openvg) with openvg support.Error happeds!
End with error strings —‘yes was specified for OpenVG but cannot be enabled due to functionality tests! ‘ any one who can tell me any necessary library or what mistakes i have make. Thx a lot!
View ArticleQScrollArea, QTabWidget, .ui form opened in MainWindow
hi, just to continue my previous thread from here [qt-project.org] after I inserted the .ui form in the TabWidget, I would like to have the form scrollable, meaning if the MainWindog is resized to have...
View Articleerror using getOpenFileName on Linux
when using this line to open dialog file this Error happened and crash my progarm QString strFileName = QFileDialog::getOpenFileName(this, tr(“Open File”), QDir::rootPath(),“Library File (.dll;.so)”);...
View ArticleQt 4.8.x support for Mac OS X Mavericks
Hi all, Is there gonna be another maintenance release for the 4.8.x series to support Mac OS X 10.9 Mavericks (like macros updates, etc.)? Because there are still some things I feel there are missing...
View ArticleLINUX,How to render words in Widget of an application to make it look more...
Give me some advice how to use method such as Anti-aliasing,Font hinting,etc. When i run my Qt application after build it. the fonts in buttons and text widgets look totally different from previewing...
View ArticleExpanding an mdiarea subwindow to center of screen
Hello, I have a general design process problem that I was someone could help me out with. I currently have an mdiarea as my main screen It consists of about 5 subwindows. I want each subwindow to have...
View ArticleQt and Flat Design
Hello, I am starting a new project and I would like to make a flat design for it. Even if it is a desktop application this type of design could be good (from my actual point of view). Does anyone...
View ArticleQt Widgets - vale apena continuar usando e investindo tempo no aprendizado?
Quando comecei a aprender Qt, gostei da facilidade em usar o Qt Designer para criar GUI’s. As Widgets já foram colocadas em um módulo aparte, pois o foco principal para o desenvolvimento de GUI’s será...
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