Qt connect slot to another slot

By Guest

Помогите! Вроде все правильно сделал. Пишет: Object::connect: No such slot QWidget::SetPointX(int). При чем тут QWidget? Почему он в моем классе не ищет? class ComplexDraft : public QWidget{ protected: virtual void paintEvent(QPaintEvent*); public...

This may seem crazy: why not just connect the signal on the first widget to the slot on the second widget? Well, that works fine until you actually want to do some processing on the value. C++ GUI Programming with Qt 4 temp0001.html Table of Contents Copyright...1 Using a Designer UI File in Your Application | Qt Designer…

How Qt Signals and Slots Work - Part 3 - Queued and Inter ...

QML2 to C++ and back again, with signals and slots - andrew-jones.com 23 Nov 2014 ... Signals and Slots are a feature of Qt used for communication between objects. ... you could emit a signal to let other objects know about this change. ... To connect the QML signal to the C++ slot, we use QObject::connect . Dynamic language tricks in C++, using Qt - epx

Oct 3, 2008 ... Below are some suggestions for troubleshooting signals and slots in the Qt C++ ... to check that signal and slot code is definitely reached: - the connect ... Another option might be turning on Qt's logging, but I've never tried it or ...

Qt Signals and Slots, Connecting and Disconnecting May 28, 2014 · MainWindow connects A to B by calling "connect(A,signal,B,slot)" that could be but it is not. Once a component is moved to another layout it is removed from the original, so an iteration will not work as the list of components changes in size in each iteration. ... Qt Signals and Slots, Connecting and Disconnecting... April 1. 2013 2. July ...

This may seem crazy: why not just connect the signal on the first widget to the slot on the second widget? Well, that works fine until you actually want to do some processing on the value.

Connecting overloaded signals/slots. Multi window signal slot connection.While being better in many regards, the new connection syntax in Qt5 has one big weakness: Connecting overloaded signals and slots. qt - Qt подключить сигнал к слоту - Qaru Qt подключить сигнал к слоту. У меня есть класс главного окна, который содержит виджетУ меня также есть функция, определенная в файле заголовка в public slots: называетсяЕсли я добавлю тот же код connect в основное окно, он работает (для вызова тестовой функции из... What do I do if a slot is not invoked? - KDAB Qt automatically breaks a signal/slot connection if either the sender or the receiver are destroyed (or if context object is destroyed, when using the new connection syntax and connecting to free functions). This is a major feature of the signals and slots mechanism. However, in complicated software... QT connect(signal, slot). Как правильно это сделать? |…