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Zdravím, dělám aplikaci v Qt, která načítá data a zobrazuje v grafické podobě. Data mohou pocházet z různých zdrojů - xml soubory, modbus po TCP a v budou přibývat další. Jaký konkrétní typ komunikace se použije závisí na nastavení programu …
Qt libraries work using the mechanism called signal-slot. Basically this is a optimal way to make an asynchronous communication between objects in any kind of conditions and transmitting any kind of data. However, sometimes, may happen the need to wait for a ... C++ Signal/Slot Library (sigslot) download | SourceForge.net Download C++ Signal/Slot Library (sigslot) for free. Portable C++ type-safe, thread-safe signal/slot library for ISO C++, Unix/BSD/Linux and Win32. Sigslot allows C++ code to use the signal/slot paradigm made popular by, for example, Qt. Why I dislike Qt signals/slots - elfery register the event as an observer for a zero-arg signal. Another thread can come along and "fire the observers" for this signal ... the only way I can usually get this to compile and run is to fully qualify the class in both the signal and the slot (since Qt's ...
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Qt Signals And Slots - Programming Examples Dynamic properties. Signals and Slots. Observer pattern. Type-safe callbacks. Many-to-many relationship.when implementing your own signals/slots, there is no need to do the listener management yourself as this is done by the qt object system. Signal. Qt основы многопоточности
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The second connects the thread's started() signal to the processing() slot in the worker, causing it to start. Then the clean-up: when the worker instance emits finished(), as we did in the example, it will signal the thread to quit, i.e. shut down. We then mark the worker instance using the same finished() signal for deletion.
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Qt signal slot with return value / Genting casino The function returns TRUE if it successfully connects the signal to the slot.A signal-slot connection typically is broken when either of the objects involved are. Pyqt signal slot between threads - Profile picture zynga poker It is possible to pass any Python object as a signal argument by specifying PyQt.Qt provides thread support in the form of platform-independent threading classes, a thread-safe way of posting events, and signal-slot connections across … Multiplatformní GUI toolkity - Operační Systémy
Qtのsignal/slotとthread(2) - Qiita QtのAPIのドキュメントに、thread-safeと書いてない限りは、QMutex等を使って自分で排他をする必要がある。 しかし、Qtを使っている場合は、わざわざ自分でMutexの管理をしなくても、スレッドとのデータのやり取りを全て signal/slotでやってしまい、共有データを ... Qt 4.8: Thread Support in Qt - Qt Documentation Snapshots Qt provides thread support in the form of platform-independent threading classes, a thread-safe way of posting events, and signal-slot connections across threads. This makes it easy to develop portable multithreaded Qt applications and take advantage of multiprocessor machines. Is setContextProperty thread safe? | Qt Forum