Hi I\'ve got a spare moment so decided to look at Qt and how easily I can port my windows applications to Qt.
I have a Qt application that uses OpenCV for image processing. Everything was working fine with OpenCV 1.0 but when I upgraded to
I am creating a small PyQt application and got stuck up in MouseOver effect. I have a QMainWindow which has three buttons named createProfileButton, downloadPackagesButton and installPackagesButton.
I\'m writing a simplified calculator using Qt with C++, for learning purposes. Each number is a QPushButton that uses the same slot to modify the text in a lineEdit widget being used as a display.
In QT4.5, I use a QTableWidget, and I have connected the signal QTableWidget::itemClicked() to a custom slot like this:
Let\'s say I hav开发者_如何学编程e an event and the corresponding function is called.This function interacts with the outside world and so can sometimes have long delays.If the function waits or hangs
What does it mean to move a object from one thread to another in Qt using moveToThread? Everything seems to work even before using moveToThread, which moves the object from one thread (GUI thread) to
I\'m a c++ developer having used signals & slots in c++ which to me seems to be analogous to delegat开发者_JAVA百科es in c#. I\'ve found myself at a loss in searching for the functionality provide
I am using boost::signals2 under Red Hat Enterprise Linux 5.3. My signal creates an object copy and sends it\'s pointer to subscribers.This was implemented for thread safety to prevent the wor开发者_
I am using the boost library and my question is about boost::signals. I have a signal t开发者_StackOverflowhat might call many different slots but only one slot will match the call so I want this part
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