signals-slots

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Determine signals connected to a given slot in Qt

I\'ve injected myse开发者_如何学Pythonlf into a Qt application, and I\'m attempting to figure out what signals a given slot is connected to, but can\'t find any information on doing this.Is there a me[详细]

2022-12-29 02:57 分类：问答
Qt - no such signal error

I\'m trying to trigger a signal when a double click happens in one of the draggable widgets on the fridge magnets example. Here\'s the changes I made to the example source:[详细]

2022-12-26 01:32 分类：问答
Qt - Calling widget parent's slots

I wrote a small program to test accessing a widget parent\'s slot. Basically, it has two classes: Widget:[详细]

2022-12-26 00:48 分类：问答
What is the correct Qt idiom for exposing signals/slots of contained widgets?

Suppose I have a MyWidget which contains a MySubWidget, e.g. a custom widget that contains a text field or something. I want other classes to be able to connect to signals and slots exposed by the con[详细]

2022-12-25 21:14 分类：问答
Architecture for Qt SIGNAL with subclass-specific, templated argument type

I am developing a scientific data acquisition application using Qt. Since I\'m not a deep expert in Qt, I\'d like some architecture advise from the communityon the following problem:[详细]

2022-12-23 04:31 分类：问答
Fastest C++ Signal/Slot Lib without dependency

I am going to pass data up/开发者_开发百科down a 5-10 layered object using signals and slots. Which should result in a few thousand signal per sec. Which is far form \"I clicked a button\". All my obj[详细]

2022-12-23 00:00 分类：问答
Qt - arguments in signal-slots

I have a QPushButton, QDateEdit and another custom object. I want to connect the b开发者_JAVA百科utton to the date edit object in a way that when I click the button, the date edit object will change i[详细]

2022-12-22 23:20 分类：问答
C++ Managing Shared Object's Handle issues

Is there best practice for managing Object shared by 2 or more others Object. Even when running on different thread?[详细]

2022-12-22 13:01 分类：问答
Which light C++ event/delegate (signal/slot) library should I choose?

I know that the question has already been asked and answered, but it was more than one year ago and it looks like there are new alternatives out there.[详细]

2022-12-21 14:55 分类：问答
Qt in visual studio: connecting slots and signals doesn't work

I have installed Qt and Qt for VS plugin. Everything works fine, UI applications compile and run that\'s ok, but connecting signals and slots doesn\'t. I have Q_OBJECT in my class and for conne开发者_[详细]

2022-12-21 03:37 分类：问答