I need to be able to draw a circle/line on top of another widget, but every time I try, it goes behind. I have read lots of posts about using QPainter over widgets but I still can’t get it to work. The following is a minimal example of my app, and I just want to figure out where to put
Tag: pyqt5
python.exe: No module named pyuic5
I want to convert my .ui file to py but pyuic5 is not recognized And when i go to my python directory this error message appears how to fix this error? Answer A more generic option is:
How to update PyQt progressbar from an independent function with arguments?
I want to use multiple imported function with arguments that takes some while to run. I want a ‘working’ progress bar that track the processes of that function. I have followed 2 questions already here. Connect an imported function to Qt5 progress bar without dependencies Report progress to QProgr…
How to filter executables using QFileDialog? (Cross-platform solution)
The documentation for QFileDialog.getOpenFileName does not provide any clue on how to filter only executables using a const QString &filter = QString(). Here’s the code for my action using PyQt5: On linux, naturally, I have no file extensions for executables, but I need to filter .exe extensions on …
Why does QTableView have blank margins and how can I remove them?
The following PyQt program produces a window containing a QTableView with a margin space to its bottom and right (but not top and left) – even though the main-window is told to adjust itself to its contents size: I was expecting to see: If I increase the size of the window from the original position, I …
PYQT QTimer does not start
I am using PyQt 5 for a GUI app, and I am having a threading issue. There is a close button and once it is clidked, a QTimer starts and then it waits in a while loop that is conditioned on a value of a variable in which is being incremented in the QTimer handler. The problem is that the
Multithreading updating with multiple windows in pyqt5
I’m trying to have a timer going that I can use to update values in multiple windows with pyqt5. What I have so far, the main window opens with buttons to open the other windows, but when I press either button, it crashes. The number of threads is printed out. I have also tried putting in each AnotherWi…
Process finished with exit code -1073740791 (0xC0000409) error not opening a website
I am creating a desktop app using PyQt5 and QtDesginer. I have a login page connected to a database, and the user is asked to enter username and password. In the designer, I created a window that opens a certain link. The following code is running. But when inserting it into the second code it gives Process f…
Continuous saving files to directory after manual removal of them
I created a GUI project in pyqt5 that lets us enter a country’s name in the text input field, then we are getting data from the CoVid-19 API for the particular country. I added a feature (button) which give us a possibility to save matplotlib’s plot with statistics from API to my folder called …
PyQt5: Python crashes with SIGSEGV *sometimes* when sending pixmap via a signal from another thread
Background and Issue I am trying to process streaming data from a camera. Python keeps crashing with this message though: The crash happens sometimes while emitting the signal containing an image. My code, shown below, follows this process: A QObject named CameraThread is instantiated within the GUI and is ru…