Qtimer singleshot no such slot

Oct 26, 2006 ... If they are, they'd better be documented as such. ... Fortunately, Qt does zero out the sender() if it no longer exists at the time of the slot. ... I use a real QTimer object, not singleShot() , so that I can call stop() on it if my object ... Qt - RIP Tutorial Singleshot Timer with Lambda function as slot. 84. Using QTimer to run code on main thread. 84. Basic Usage ... Use the content presented in this book at your own risk; it is not guaranteed to be correct nor accurate, please ..... blocks the event loop forever (such as busy while), the slots could never be called. In this situation ...

You can also use the static QTimer::singleShot() function to call a slot after a specified ... Because of this, you must start and stop the timer in its thread; it is not ... In such a case of timeout overrun, Qt will emit activated() only once, even if ... QTimer — PySide v1.0.7 documentation QTimer.timeout() signal to the appropriate slots, and call PySide.QtCore. ... To start an event loop from a non-GUI thread, use QThread.exec() . Qt uses ... timerEvent() does not support such high-level features as single-shot timers or signals. qtimer(3): Timer signals/single-shot timers - Linux man page

You can set a timer to time out only once by calling setSingleShot(true). You can also use the static QTimer.singleShot() function to call a slot after a specified interval: QTimer. singleShot(200, this, SLOT(updateCaption())); In multithreaded applications, you can use QTimer in any thread that has an event loop.

26 Oct 2006 ... If they are, they'd better be documented as such. ... Fortunately, Qt does zero out the sender() if it no longer exists at the time of the slot. ... I use a real QTimer object, not singleShot() , so that I can call stop() on it if my object ... Qt 4.7: QTimer Class Reference | Документация You can also use the static QTimer::singleShot() function to call a slot after a specified ... does not support such high-level features as single-shot timers or signals. ... A single-shot timer fires only once, non-single-shot timers fire every interval ... QObject Class | Qt Core | Qt Documentation (Pro) - Felgo

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c++ - "No such slot" when trying to use QTimer - Stack ... So in that case, how would I use the QTimer object to run a method that takes an arbitrary parameter after some amount of time? – user189320 Dec 9 '11 at 15:04 You can't do that. What you can is store that arbitrary parameter as state somewhere (for example, a member in the class which has the slot colorGUI).

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QTimer::singleShot(200, this, SLOT(updateCaption())); In multithreaded applications, you can use QTimer in any thread that has an event loop.It should be written in such a way that it always returns quickly (typically after processing one data item) so that Qt can deliver events to widgets and stop the... Qt 4.1: QTimer Class Reference | singleShot : bool

It would be the wrong metric to measure latency and such though, as we are not executing anything when waiting.

QTimer.singleShot in _loadFinished is slow sometimes ... I saw QTimer.singleShot executing the callback (_loadFinishedOK) after 5s and 10s when the 'wait' parameter was 1s. All slots (except the one that fired this timer) were idle.

New Signal Slot Syntax. From ... The other problem is that there is no automatic disconnection for some object in the ... lookupHost or QTimer::singleShot or ...