signals-slots
QT signal and slot function signature
In this document is explained that signals must have void as a return value, but what about slots? Since开发者_开发知识库 signals must not return anything, can I assume it is the same for slots as wel[详细]
2023-01-29 10:01 分类：问答My slots not listed in Qt Creator Signal/Slot editor
I created a Qt4 Gui application. I have the main window. I put a QStackedWidget and two QPushButtons on the MainWindow\'s central widget. I am using QtCreator as my IDE.[详细]
2023-01-29 09:37 分类：问答Slow serial connection freezes QT GUI thread
I\'m working on a project where I need to communicate from my system to some RS485 serial devices. The connection itself works and is in a separate thread than the QT GUI thread.[详细]
2023-01-27 17:51 分类：问答Visualize QT Signals and Slots
I\'m currently working with a lot of custom widgets which provide different signals and slots for communicating with each other.[详细]
2023-01-27 02:06 分类：问答How can I monitor QProcess finished() in qt4 (Signal/Slot)
It looks as if their was a solution for this in qt3, but I cannot find one for qt4 (all I have used, goggling I saw solutions for qt3).[详细]
2023-01-25 05:32 分类：问答Qt issue passing arguments to slot
I can\'t seem to pass an argument to a slot.If I don\'t pass an argument, the function rolls through fine.If I pass an argument (integer), I get the errors \"开发者_StackOverflow中文版No such name typ[详细]
2023-01-24 11:13 分类：问答In Qt how to connect a singleton instance to a slot?
I\'m programming in Qt Creator and encountered a problem. I made a singleton class, and I\'m trying to connect it to a 开发者_运维百科slot in the widget, but it doesn\'t take the pointer that returns[详细]
2023-01-23 11:28 分类：问答qt QWidget click
I have my own class based in QWidget. I put this widget in QMainWindow and I need catch mouse click on this widget.[详细]
2023-01-21 20:38 分类：问答Qt Creator - how to see the code of the designer?
I\'m using开发者_如何转开发 Qt Creator. I\'m using the signals and slots editor, and I want to see the code it generates.[详细]
2023-01-20 13:57 分类：问答Signaling failure in qt slots
I have a \'producer\' object, that steps through some data and emits various signals depending on what data item is next in the queue.[详细]
2023-01-17 10:10 分类：问答
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