Threading don't creating buttons in frame
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@Black-Cat QObjects are not thread-safe, and even more so, QWidgets (which inherit from QObject) should not be created or modified in a thread other than the main thread. On the other hand I don't see any advantage of creating GUI in another thread. What are the benefits of using threads to create GUI elements?
So: Is it possible to create buttons/items using a Threading? No, you can't and shouldn't.
If you want me to help you develop some work then you can write to my email: e.yllanescucho@gmal.com.
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@Black-Cat QObjects are not thread-safe, and even more so, QWidgets (which inherit from QObject) should not be created or modified in a thread other than the main thread. On the other hand I don't see any advantage of creating GUI in another thread. What are the benefits of using threads to create GUI elements?
So: Is it possible to create buttons/items using a Threading? No, you can't and shouldn't.
@eyllanesc because in my original application I have a function that creation some buttons and when the function is turn on my app freezes by some second
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@eyllanesc because in my original application I have a function that creation some buttons and when the function is turn on my app freezes by some second
@Black-Cat
Try not to use threads, and if you do they cannot create or do any UI stuff.If you really have to use them, emit a signal for the UI to create widgets if necessary.
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@eyllanesc because in my original application I have a function that creation some buttons and when the function is turn on my app freezes by some second
@Black-Cat Creating some elements of the GUI should not freeze the application so there are 2 options: 1) You are creating many buttons How many buttons are you creating? 2) There is another part of your application that is not creating buttons that is freezing the window.
If you want me to help you develop some work then you can write to my email: e.yllanescucho@gmal.com.
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@Black-Cat Creating some elements of the GUI should not freeze the application so there are 2 options: 1) You are creating many buttons How many buttons are you creating? 2) There is another part of your application that is not creating buttons that is freezing the window.
only freeze in this process, basically:
1 - connect in a socket
2 - if socket response create a green button
3 - if socket not response create a red button(have 1 socket)
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only freeze in this process, basically:
1 - connect in a socket
2 - if socket response create a green button
3 - if socket not response create a red button(have 1 socket)
@Black-Cat So what is freezing the application is the sockets, not the creation of buttons. So you have the following options:
- Execute the sockets in the secondary thread and use the signals to update the GUI in the main thread.
- Use QTcpSocket (or similar class) since its methods are asynchronous.
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only freeze in this process, basically:
1 - connect in a socket
2 - if socket response create a green button
3 - if socket not response create a red button(have 1 socket)
@Black-Cat How do you connect using sockets? I hope you do not use any blocking API? Qt sockets are asynchronous, so nothing should block if you use them properly.
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@Black-Cat How do you connect using sockets? I hope you do not use any blocking API? Qt sockets are asynchronous, so nothing should block if you use them properly.
@jsulm I don't using the QT socket, currently i'm using the socket of python... The freeze was because when a server socket is down it try much of 6 attemps to connect, and it freeze my software.
Btw I created the QTitens in normal mode and put the connections of socket in thread..... and don't freeze anymore
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@jsulm I don't using the QT socket, currently i'm using the socket of python... The freeze was because when a server socket is down it try much of 6 attemps to connect, and it freeze my software.
Btw I created the QTitens in normal mode and put the connections of socket in thread..... and don't freeze anymore
@Black-Cat
It sounds quite possible that the only reason you need threads is because you are choosing to use Python sockets (blocking?) in the first place! If that is the case, you should reconsider. -
@jsulm I don't using the QT socket, currently i'm using the socket of python... The freeze was because when a server socket is down it try much of 6 attemps to connect, and it freeze my software.
Btw I created the QTitens in normal mode and put the connections of socket in thread..... and don't freeze anymore
