Qt connect signal slot by name

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qt - My signal / slot connection does not work - Stack ...

Using Qt’s signals and slots when the same signal can come ... Qt’s signal and slot mechanism works fine when you have events that occur in one component and need to be handled by one or more other components. My situation is that an event can occur in either of two classes and it needs to be handled by each of those classes (as well as by a couple of others). Qt Slots & Signals – naming convention for generated connect I am quite new to Qt and I have worked away with their slots & signals without too many problems until in one occasion on a new project, I was not able to get my signal connected to my slot... that kept me stuck for a good while, double checking that I had done all… Signals and Slots - Qt Signals and slots are loosely coupled: a class which emits a signal neither knows nor cares which slots receive the signal. Qt's signals and slots mechanism ensures that if you connect a signal to a slot, the slot will be called with the signal's parameters at the right time. Signals and slots can take any number of arguments of any type.

Traditional syntax: SIGNAL () and SLOT() QtCore.SIGNAL() and QtCore.SLOT() macros allow Python to interface with Qt signal and slot delivery mechanisms. This is the old way of using signals and slots. The example below uses the well known clicked signal from a QPushButton. The connect method has a non python-friendly syntax.

Pokročilé programování Při práci s knihovnou Qt je Makefile generován pomocí nástroje qmake: nejdříve vygenerujeme soubor projektu ( qmake -project) potom odpovídající Makefile ( qmake project_name.pro). Pyqt4 a použití modulu uic. #!/usr/bin/env python import sys from PyQt4 import QtGui, QtCore, uic class MyApplication(QtGui.QMainWindow): def __init__(self): QtGui.QMainWindow.__init__(self) uic.loadUi("priklad.ui", self) def run(self): self.show() self.app.exec …

Formuláře, popisky a obrázky v PyQt4 - Root.cz

QT: работаем с сигналами и слотами Слоты (slots) — это методы, которые присоединяются к сигналам. По сути, они являются обычными методами. Основное их отличие состоит в возможности принимать сигналы. Как и обычные методы, они определяются в классе как public, private или protected.

New-style Signal and Slot Support ... ie. a signal with a particular name may support more than one ... connect (slot [, type=PyQt4.QtCore.Qt.AutoConnection [, ...

A lightweight header-only, single file signal slot notification library built on c++98 with no dependencies - tonypilz/Signal-Slot-Notify Nailing 13 signal and slot mistakes with clazy 1.3 - KDAB Today I want to share 13 mistakes regarding signals, slots and connect statements and how to find them at compile time with clazy, our open-source static-analyzer for Qt. Clazy is a compiler plugin which generates warnings related to Qt. Qt/C++, signály, sloty a vlánka (vyřešeno) Pak se ve vlákně na pozadí pustí ten reader->process(), který provolává QtRelationalReaderStringHadler ovšem jako normální metody -- a až uvnitř těchto metod to jde přes signál/slot (ale v rámci toho samého vlákna) a ze slotů se provolává … Grafické programy v Qt 4 – 8 (TCP klient)

Signals & Slots — Qt for Python

Connecting overloaded signals and slots in Qt 5 - Stack Overflow Connecting overloaded signals and slots in Qt 5. ... one repeats the class name twice; ... Qt connect new signal slot syntax fails. 1. A Qt way: Automatic Connections: using Qt signals and slots ...