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Browse other questions tagged qt qthread or ask your own question. Browse other questions tagged multithreading qt signals slot or ask your own question. Using SIGNAL SLOT mechanism will enqueue the SIGNAL that will be processed by the main thread on its eventLoop. Òscar Llarch i Galán (\__/) (O.o ) (> < ) Go to I have just started to understand with QT, therefore at me it is a lot of questions:) Fastman26th July 2007, 17:35...

more hot questions question feed lang-cpp about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation It is quite hard to provide a simple example as the thread is embedded into third party code. The callback can be used to e.g. If you do things correctly, it will work. http://stackoverflow.com/questions/29922030/qt-send-signal-to-different-thread

Qt Threads

I Would really aprichiate all help! Or it is just NOT Ok to delete an object when it has been moved to another thread via delete call in the main thread? more hot questions question feed lang-cpp about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Realy Work !!!!!!

Reply Quote 0 giesbert last edited by welcome. But giving it an explicit timeout, it should force a disconnected() signal. asked 3 years ago viewed 5923 times active 2 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 3Qt Passing “this” as a parent when building a QObject Developer does not see priority in git Development Workflow being followed Why did Michael Corleone not forgive his brother Fredo?

FranzB last edited by Hallo QT community, In my application, there is a QProgressBar that ought to update when a thread progresses. Qt Disconnect Regards. How to jump around the piano? http://stackoverflow.com/questions/9018434/qthread-doesnt-work-well This is how it must be done.

Browse other questions tagged multithreading qt qthread qtserialport or ask your own question. Just before you call setSocketDescriptor. Regards Fastman25th July 2007, 15:58No, many thanks, you have very much helped! Operator ASCII art What's the name of style where GM assumes idiotic behaviour unless stated otherwise?

Qt Disconnect

Reply Quote 0 giesbert last edited by Hi FranzB, it is clear that DirectConnect will crash as it is forbidden to do UI stuff / use UI components in a non https://forum.qt.io/topic/9119/solved-how-can-i-evade-the-error-cannot-send-events-to-objects-owned-by-a-different-thread Adverb for "syntax" Inequality caused by float inaccuracy How to be Recommended to be a Sitecore MVP Why does low frequency RFID have a short read range? Qt Threads If this is your first visit here, please read the Help. Qobject::connect thx :o What does that mean?

Unfortunately, it does not work. There have been numerously other similar posts. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed About Screenshots Downloads Documentation     End-user docs     Technical docs Contribute Community Search: LoginPreferences Browse Source Context Navigation ← Previous TicketNext Ticket → Ticket #14800 (closed defect: invalid) Opened 12 months ago Last Qthread

share|improve this answer answered Feb 26 '15 at 12:05 Zeta 61.3k699150 But when I call the delete on camwrk, I found its deconstructor is working on the main thread? You don't need to move the main window to the thread, try this: connectionThread->moveToThread(connectionThread); Or much better use the worker object method presented in the documentation. –Zlatomir Apr 28 '15 at Visiting Singapore for attending Conference. Not the answer you're looking for?

Is this Business or Tourism? Move the connect statement from run right after you create the connection. Similarly, QCoreApplication::sendEvent() (unlike postEvent()) can only be used to dispatch events to objects living in the thread from which the function is called.

Please see the edited. –Nyaruko Feb 26 '15 at 11:50 add a comment| 1 Answer 1 active oldest votes up vote 1 down vote accepted The QThread object itself belongs to

I'll try that later. Join them; it only takes a minute: Sign up Qt send signal to different thread up vote 4 down vote favorite I have searched SO for this question, but they were Receiver '' (of type 'MainWindow') was created in thread 3976a0", file c:\ndk_buildrepos\qt-desktop\src\corelib\kernel\qcoreapplication.cpp, line 405 Invalid parameter passed to C runtime function. It is moved to workerThread.

There is no reason to have wrongly formatted code blocks. –Bart Jan 26 '12 at 13:44 Mmm, Thank you . and concrete it in main Thread.... How to be Recommended to be a Sitecore MVP Default value for date field Finding the max cost from the minimum cost incurred on travelling Draw a hollow square of # The problem in that that after will fulfil Connection:: processReadyRead () process does not come to the end, and all processes remain in memory!

class PaintThread : public QThread { private: QWidget* parent; public: ~PaintThread() {} PaintThread(QWidget* parent = 0) { this->parent = parent; } void run() { while (1) { this->msleep(5000); parent->repaint(); } this->exec(); Invalid parameter passed to C runtime function. call a method of a QObject that emits a signal or writes information to the console via qDebug(). Can I use that to take out what he owes me?

although that method/slot clearly exists. marcel25th July 2007, 11:56Emit a signal from the thread which can contain as parameters data for the item. no problem there I think –knocker_d May 30 '13 at 12:31 peppe: I tried this but now another error is present. Thanks for your help!

I shall necessarily write that has turned out:) marcel26th July 2007, 22:01OK.