Pyqt Signals And Slots Across Threads
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28 Aug 2011 Matteo Mattei pythonpysideqtthread
In these days I started studying PySide. After some days spent in reading lot of stuff, I thought that a real example could be useful for who intends to start learning PySide as well. In this example I can show you how you can implement a custom signal (MySignal) together with the usage of threads with QThread.Pyqt Signals And Slots Across Threads GamePyqt Signals And Slots Across Threads Crossword
The following code creates a window with two buttons: the first starts and stop a thread (MyThread) that runs a batch that prints a point in the stdout every seconds continuously. The second button lets you only start another thread (MyLongThread) that prints an asterisk in the stdout every second for 10 seconds.
Qt Signals And Slots Across Threads If you have heard stories of ’rigged casinos’ then you have almost certainly heard of some of the smaller casinos that have been exposed. The top sites are regulated by online watchdogs like eCOGRA and by our own independent analysts and their RNGs (random number generators) are frequently checked. Can you post a non-working example, because signals and slots are supposed to work across QThread by default and no special treatment is needed – Kien Truong Mar 8 ’12 at 10:13 A bit too simple. Can you modify it so I can just copy and run:) – Kien Truong Mar 8 ’12 at 11:30.
PyQt is more versatile than C/Qt in this regard, because we can connect not just to slots, but also to any callable, and from PyQt 4.2, it is possible to dynamically add ’predefined’ signals and slots to QObjects. Let’s see how signals and slots works in practice with the Signals and Slots program shown in Figure 4.6. A slot is a Python callable. If a signal is connected to a slot then the slot is called when the signal is emitted. If a signal isn’t connected then nothing happens. The code (or component) that emits the signal does not know or care if the signal is being used. QSlider class object presents the user with a groove over which a handle can be moved. It is a classic widget to control a bounded value. Position of the handle on the groove is equivalent to an integer between the lower and the upper bounds of the control. A slider control can be displayed in.
This example uses the api version 2 (introduced with PyQt 4.5) to connect signals to slots.
For more information you can look at:
*QThread documentation: http://doc.qt.nokia.com/latest/qthread.html
*PySide signals and slots: http://developer.qt.nokia.com/wiki/Signals_and_Slots_in_PySide
*PyQt api 2 on PySide: http://www.pyside.org/docs/pseps/psep-0101.htmlPlease enable JavaScript to view the comments powered by Disqus.comments powered by DisqusRelated Posts
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28 Aug 2011 Matteo Mattei pythonpysideqtthread
In these days I started studying PySide. After some days spent in reading lot of stuff, I thought that a real example could be useful for who intends to start learning PySide as well. In this example I can show you how you can implement a custom signal (MySignal) together with the usage of threads with QThread.Pyqt Signals And Slots Across Threads GamePyqt Signals And Slots Across Threads Crossword
The following code creates a window with two buttons: the first starts and stop a thread (MyThread) that runs a batch that prints a point in the stdout every seconds continuously. The second button lets you only start another thread (MyLongThread) that prints an asterisk in the stdout every second for 10 seconds.
Qt Signals And Slots Across Threads If you have heard stories of ’rigged casinos’ then you have almost certainly heard of some of the smaller casinos that have been exposed. The top sites are regulated by online watchdogs like eCOGRA and by our own independent analysts and their RNGs (random number generators) are frequently checked. Can you post a non-working example, because signals and slots are supposed to work across QThread by default and no special treatment is needed – Kien Truong Mar 8 ’12 at 10:13 A bit too simple. Can you modify it so I can just copy and run:) – Kien Truong Mar 8 ’12 at 11:30.
PyQt is more versatile than C/Qt in this regard, because we can connect not just to slots, but also to any callable, and from PyQt 4.2, it is possible to dynamically add ’predefined’ signals and slots to QObjects. Let’s see how signals and slots works in practice with the Signals and Slots program shown in Figure 4.6. A slot is a Python callable. If a signal is connected to a slot then the slot is called when the signal is emitted. If a signal isn’t connected then nothing happens. The code (or component) that emits the signal does not know or care if the signal is being used. QSlider class object presents the user with a groove over which a handle can be moved. It is a classic widget to control a bounded value. Position of the handle on the groove is equivalent to an integer between the lower and the upper bounds of the control. A slider control can be displayed in.
This example uses the api version 2 (introduced with PyQt 4.5) to connect signals to slots.
For more information you can look at:
*QThread documentation: http://doc.qt.nokia.com/latest/qthread.html
*PySide signals and slots: http://developer.qt.nokia.com/wiki/Signals_and_Slots_in_PySide
*PyQt api 2 on PySide: http://www.pyside.org/docs/pseps/psep-0101.htmlPlease enable JavaScript to view the comments powered by Disqus.comments powered by DisqusRelated Posts
Register here: http://gg.gg/p30yc
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