A free book on Qt5
Is there a free book available (released) for on Qt5? like: C++ GUI Programming with Qt 4 The Book of Qt 4 The Art of Building Qt Applications An Introduction to Design Patterns in C++ with Qt 4
View ArticleQt 5.1 error : glBindFramebuffer
Hi If i open a working qml / c++ Qt 5.0.2 project in Qt 5.1 beta then all i get is a window with a white background… In the console i noticed : getProcAddress: Unable to resolve ‘glBindFramebuffer’...
View ArticlePrevent users from moving Icons in QListWidget (IconMode)
I have a QListWidget with icon mode enabled: setViewMode(QListView::IconMode); setResizeMode(QListWidget::ResizeMode::Adjust); setEditTriggers(QAbstractItemView::NoEditTriggers); However, I am still...
View Articleclass counter
объясните, пожалуйста, суть написания нового класса. как я понимаю ( если не так, то поправьте): класса counter нету, и что бы использовать его нужно самому написать, т е я дописываю в мейне class...
View Articlemain.cpp + mainwindow.ui = ??
i just need to know, is it possible to “.show()” my work in .ui and .cpp files in 1 window?? for example: #include "mainwindow.h" #include <QApplication> #include...
View ArticleHow to use Qt commercial chart
How to use Qt commercial chart in the qml project please help me thank you
View ArticleQClipboard::mimeData() returns null
Hello, I am trying to use QClipboard on N9 and Meego and it looks like does not work, the same code works when running in Desktop. I have tried the following simple code both on N9 simulator and nemo...
View ArticleAdding Doxygen plugin to qtcreator
I want to add Doxygen plugin to QtCreator. I am using QtCreator 2.5.2 in ubuntu 12.10 and the latest Doxygen version I found for QT is 2.4.0. I’ve changed the doxygen.pluginspec file to get rid of...
View ArticleWhy do Qt use pointers instead of simple variable objects?
I’m a newbie on Qt, and sometimes i hesitate choosing between using pointers or simple variable objects. But as i see all the examples in Qt documentation, there are almost always pointers, so i use...
View ArticleQML designer is very slow
My machine is MacBookPro retina 15”. When I switch to designer on QML file, QT Creator hangs out. How to avoid this problem? Thanks!
View ArticleСтатическая сборка Qt 5.0.2 mingw. Ошибка при компиляции программы.
4-й день вожусь с установкой кьюта… Моя последняя попытка, по действиям: 1) Установка: Perl 5.16.3, Python 2.7.3, Ruby 2.0.0 2) Установка qt-windows-opensource-5.0.2-mingw47_32-x86-offline (в папку...
View ArticleReturning a QList to Qml ???
I have a Q_INVOKABLE method that returns a QList<QHash<QString, QString> > when called from Qml, however when I run the code it throws “Error: Unknown method return type:...
View ArticleQList strange issue:Qt4.8.4 opensource with VS express 2010
I happened a strange QList issue, QList can’t get list memebers in my application I wrote three class YDBCManager,YDBCMsg,YDBCSig(Ref code following:) and use QList to save the class pointer , like...
View ArticleHow to use the javascript in QML
http://tenxer.github.io/xcharts/examples/ How to use the javascrip in .qml
View Articlezooming in paintevent
i am new to qt.please help me out. i have drawn one gui in paintevent on mainwindow.now i want to zoom the gui such that my gui have 4 arrow buttons and i can see my zooming in any direction using...
View ArticleProblem while drawing on QGraphicsView after Translation the QGraphicsView.
Hi everyone. I created a view which is subclass of QGraphicsView and its scene rect is equal to desktop’s rect. I am doing free hand drawing on it successfully. I also want to move the view on...
View Article[Solved] using customized QPushButton on QWizard
Hello every one. I want to use a QPushButton on QWizardPage. I have implemented the qwizard pages and added QPushButton as follows in the code bellow. When I click the button, the signal and slot...
View ArticleQt 5.0.1 QWebView. Problem with showing JPGs
I have QtWebKit application on Windows. Everything works properly, but the kitchen sink… I have no idea why it doesn’t show JPGs. I have /imageformats directory with plugins in the root directory. It...
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