Sep 17, 2008 · Hi all, I have a short question: Is it possible for this kind of connection to work: (Assume that all we need is defined) QTimer::singleShot(1000,this,SLOT(vSlot(2,3))); I know that it is possible to connect a QTimer::singleShot(...) with a slot not taking any args, but Can we do the same with a slot … how to pass arguments to QTimer::singleshot slot | Qt Forum QTimer::singleShot(1500, this, SLOT(crossCapture(int,int))); Please not crossCapture will be executed in GUI main thread. Reply Quote 0. 1 Replies Last reply . Gojir4. last edited by . No, you cannot. You have to find another way to give the arguments when the "timeout" occurs. [QTBUG-69800] QTimer::singleShot() requires a non-const The documentation of QTimer::singleShot() states that the context/receiver should be a const pointer to QObject. This is consistent with e.g. QObject::connect(). However, in reality the overloads taking a functor require a non-const pointer, which is both inconvenient and … Qt 4.8: QTimer Class Reference - University of Texas at Austin The QTimer class provides repetitive and single-shot timers. The QTimer class provides a high-level programming interface for timers. To use it, create a QTimer, connect its timeout() signal to the appropriate slots, and call start(). From then on it will emit the timeout() signal at constant intervals.
Delayed Signals
Сообщества (317) c++ qt inheritance connect signals-slots. QTimer :: singleShot () ищет указанный слот в родительском классе данного объекта, а не сам объект. Я довольно новичок в Qt. Я сделал некоторые простые изменения в существующем приложении Qt, но я еще не создал... Bug 470 – Object::connect: No such signal QTimer… Object::connect: No such signal QTimer::"timeout()" when using QTimer:: singleShot. Last modified: 2010-11-25 17:48:24 EET.This Bugzilla is left for reference purposes. First Last Prev Next This bug is not in your last search results. Bug 470 - Object::connect: No such signal QTimer::"timeout()" when... Слот с аргументом для QTimer::singleShot() —…
Не срабатывает слот, передаваемый в QTimer::singleShot, если: 1. Вызвать QTimer::singleShot, передать слот и задать интервал 2. Свернуть приложение 3. Подождать интервал Если успеть развернуть до того, как интервал закончится, то слот выполнится. В то время как анимации...
“No such slot” when trying to use QTimer. ... And timer doesn't have such signal anyway. (1) the SLOT "description" must not contain argument names and must ... qtimer.cpp\kernel\corelib\src - qt/qtbase.git - Qt Base ... Qt Base (Core, Gui, Widgets, Network, ... does not support such high-level features as single-shot timers or ... ("QTimer::singleShot: Invalid slot specification ... QTimer Class Reference - lost-contact.mit.edu The QTimer class provides timer signals and single-shot ... does not support such high-level features as single-shot ... QTimer::singleShot( 10*60*1000, &a, SLOT ...
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Detailed Description. The QTimer class provides repetitive and single-shot timers.. The QTimer class provides a high-level programming interface for timers. To use it, create a QTimer, connect its timeout() signal to the appropriate slots, and call start(). From then on it will emit the timeout() signal at constant intervals.. Example for a one second (1000 millisecond) timer (from the Analog ... [Résolu] [Qt] QObject::connect => No such slot - Qt a ... Bonjour tout le monde J'ai un problème qui me pourri la vie, et dont je n'arrive pas a trouver la solution. Quand je compile le programme, et appuie sur le bouton qui est sense appele une fonction de la classe, je recoit dans Qt Creator: No such slot QObject - openclassrooms.com
Qt - QTimer::singleShot simple usage | qt Tutorial
第19节 Qt定时器的使用(QTimer) 1、 Qt::PreciseTimer Precise timers try to keep millisecond accuracy Qt::CoarseTimer Coarse timers try to keep accuracy within 5% of the desired interval Qt ...
I expected the program to print "timeout called" one second after startup. Unfortunately, this doesn't work. When QTimer::singleShot() is called, the console says: Object::connect: No such slot QApplication::timeout() in [path to the main.cpp file] Object::connect: (receiver name: 'QtTests') I have no idea how to deal with this. Thank you in QTimer::singleShot - forward parameter to SLOT called | Qt Hi I'd like to do something like this: QTimer::singleShot(5000, this, SLOT(MySlot(iID))); to get the ID (can be 1 to 16) and know which ID did kick off the singleShot. However, that seems not to be possible with on-board tools. Any idea how this can be e... Can we connect QTimer::SingleShot with a slot taking