New-style Signal and Slot Support — PyQt 4.12.3 Reference ... New-style Signal and Slot Support ... no_receiver_check=False]]) ¶ Connect a signal to a slot. ... Connecting Slots By Name ... QtWarning QMetaObject::connectSlotsByName: No matching ... Today I noticed that I was getting this warning while running one of my tests1: QtWarning QMetaObject::connectSlotsByName: No matching signal for on_something_event() Support for Signals and Slots — PyQt 5.11 Reference Guide
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...connectSlotsByName: No matching signal for on_expandMainlineButton_clicked(bool) QObject::connect: No such signal TimelineView::currentTimekeyChanged(KeyItem*) QObject::connect: (sender name: 'graphicsView') QObject::connect: (receiver name: 'TimelineDockWidget') QObject... [Qt] не удаляется дочернее окно с QMdiArea - Дискуссия QMetaObject::connectSlotsByName: No matching signal for on__pushButton_1__click( ) QMetaObject:: connectSlotsByName: No matching signalтам тоже засада, получается что нет какогото сигнала по умолчанию для слотов on__pushButton_X__click - как отключить этот поиск... c++ - Почему я получаю «QMetaObject :: … QMetaObject::connectSlotsByName: No matching signal for on_dlgName_accepted(). Любопытно, что мой слот правильно вызывается, когда диалогКак я уже говорил выше, сигнал правильно назван, поэтому мой код работает отлично, мне просто очень хотелось бы понять, почему я... 'QMetaObject :: connectSlotsByName: No matching signal… The Method connectSlotsByName tries to connect slots to signals using the following formI'm not sure but it may be a problem that the object name itself (actionWrite_Device) contains an underscore and therefore it is not clear what the signal name is (it could be either device_triggered or triggered).
Posts about Signal Integrity written by Bert Simonovich
Old-style Signal and Slot Support — PyQt 4.12.3 Reference Guide
So, in order to get rid of the “No matching signal for…” warnings, we need to either follow this naming convention, or make sure none. of our slot names begin with “on_”. If you have a slot, onDoneButton_clicked,for example, connectSlotsByName will no try to connect it with a signal, nor. will emit an warning.
每一个你不满意的现在，都有一个你没有努力的曾经。 QtWarning QMetaObject::connectSlotsByName: No matching signal ... QtWarning QMetaObject::connectSlotsByName: No matching signal for on_something_event() Search with Google I found a post that explained, very clearly, what happens. I'd bet it's somewhere in the documentation of Qt, but so far I have not found anything about that in the event sections I read.
Qt for Python Signals and Slots - Qt Wiki
QMetaObject::connectSlotsByName: No matching signal for on_MyWindow_testSignal(). This is because when connectSlotsByName processes the on_MyWindow_testSignal slot it looks for a child object named "MyWindow" of the object passed as parameter (in the above case this, the instance of... QMetaObject :: connectSlotsByName: нет соответствующего … Например: Проблема: QMetaObject::connectSlotsByName: No matching signal for on_actionOpen_triggered(const char*) Внимание. Вам просто нужно изменить имя Slot. QMetaObject::connectSlotsByName: No matching signal И получил простое решение. Например: Проблема: QMetaObject:: connectSlotsByName: No matching signal for on_actionOpen_triggered(const charNo matching constructor for iterator. openCV no matching function fillPoly. Signal Condition With No Waiting Threads. QMetaObject::connectSlotsByName — Development — Форум
How to Use the Signal/Slot Communication Mechanism? | ROOT ... ROOT supports its own version of the signal/slot communication mechanism ... you emit a signal by using Emit(``full_method_name ... facilitate matching of slots to ...