For my project based on Python and Qt I wanted to move expensive calculations and functions providing server/client functions into separate threads, to unfreeze my GUI. While leaving them running, I still want them to check periodically if there is new data from the main thread. For testing, I therefore imple…
Tag: signals-slots
PyQt5: How do I “collect” or “receive” an emitted signal?
In my code, I have 2 classes in 2 separate files. I have a signal testSignal, a button pushButton and I connected the button like this: Now what I want to do is “receive” the emitted signal in the class/file, but I’m somewhat in the dark on how emit() actually works. Does anyone have any lin…
Signal emitting in Python causes exit code 139
Im trying to make function, which passes 8 values to the progress bars in window app made with QtDesigner. That is there is a function which actually generates this values. I want to execute it every second in order to get theese values and update progress bars which displays values. I combined tutorials abou…
Connecting slots and signals in PyQt4 in a loop
Im trying to build a calculator with PyQt4 and connecting the ‘clicked()’ signals from the buttons doesn’t work as expected. Im creating my buttons for the numbers inside a for loop where i try to connect them afterwards. When I click on the buttons all of them print out ‘9’. Why…