signals-slots

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Qt: Signals and slots Error: undefined reference to `vtable for

Following example from this link: http://developer.kde.org/documentation/books/kde-2.0-development/ch03lev1sec3.html[详细]

2023-03-02 06:25 分类：问答
QT and check boxes problem

probably what i am asking is very easy, but i\'m stuck! :( i have a QWidget in which i load a QGridLayout in which i add a number of QCheckBox\'es[详细]

2023-03-01 13:56 分类：问答
Can Qt signals return a value?

Boost.Signals allows various strategies of using the return values of slots to form the return value of the signal. E.g. adding them, forming a vector out of them, or returning the last one.[详细]

2023-03-01 13:42 分类：问答
Is it possible to emit a Qt signal from a const method?

In particular, I am implementing a QWizardPage (\"MyWizardPage\") for a QWizard, and I want to emit a signal (\"sigLog\") from my override of the QWizardPage::nextId virtual method.[详细]

2023-03-01 02:35 分类：问答
PyQt Signals and slots

I\'ve just started programming in PyQt and I\'m following \"Rapid GUI programming in Python and Qt\" by Mark Summerfield. Before this I did some programming in C++ and Qt and the author of the book wh[详细]

2023-02-27 09:36 分类：问答
Creating a dynamic slot in Qt

I am trying to create slots dynamically and connect them. I am able to dynamically create pushButtons and connect them with existing slots. 开发者_StackOverflowBut what if I have a class with some mem[详细]

2023-02-27 06:17 分类：问答
PyQt signals connect but do not invoke methods.. (PyQt4.8, Python 3.2)

Hey guys, i know the question doesn\'t make it clear enough (couldn\'t find how to explain the prob in a single line). I\'m working on a project where i have a centralized gui included in a main class[详细]

2023-02-26 23:58 分类：问答
C++ QT4 detecting when a user double clickes a qtablewidget header

I am trying to detect when a user double clicks a header in a qtablewidget.To do this I am connecting to the signal \"sectionDoubleClicked(int)\" to a function with the same arguments (i got this from[详细]

2023-02-24 00:27 分类：问答
how to pass arguments to a function using a predefined SIGNAL in PyQT

lets suppose you have 3 QRadioButtons instances inside a class self.Option1 = QRadioButton() self.Option2 = QRadioButton()[详细]

2023-02-18 23:02 分类：问答
how is the connection between signal and slot made in QT?

I have been a Qt programmer for quite some time now and i understand most of the general features of Qt. I am still confusedabout how the connect statement connects a signals to a slot at run time. Ba[详细]

2023-02-16 12:49 分类：问答