Python Guru

I am trying to figure out the way QProcess (Linux!) works because I'm going to need it for a pr… Read more Pyqt4 Qprocess State Always 0, Various Slots Not Working Too

I have a fairly complicated piece of code using PyQt4 and sometimes my signal callbacks simply neve… Read more Python Pyqt Callback Never Runs - How To Debug?

Below is my code. I want to show all entered text in line edit to textedit widget. Whenever i enter… Read more How To Show All Entered Text In Line Edit To Text Edit Widget In Pyqt4

I'm writing a simple image viewer and am implementing a pan and zoom feature (using mouse dragg… Read more Controlling The Pan (to Anchor A Point) When Zooming Into An Image

I would like to have a table within a QWidget window and update the table each time the user enters… Read more How To Programmatically Change/update Data In Python Pyqt4 Tableview?

I am creating a PyQt4 gui that allows the user in a qmainwindow to input some initial parameters an… Read more Pyqt4, Generating Multiple Instances Of The Same Widget?

I was trying embed matplotlib in python into Qt Designer as a custom widget, i followed one of thos… Read more Embed Matplotlib Into Pyqt As A Custom Widget

I have a widget which changes when an option is toggled. This invalidates all layouts and widgets. … Read more Replacing Layout On A Qwidget With Another Layout

I'm developping a small graphic application using Python 3 and PyQt5. On the first computer I u… Read more How To Force Pyqt5 Use For Qobject Class?

I have designed a window with a QLineEdit in PyQt4 with the help of Designer. I converted .ui to .p… Read more How To Connect Qlineedit Focusoutevent

I created a matplotlib´s figure in a QMainWindow, using PyQt and I am trying to add a button to the… Read more Adding An Item In Matplotlib´s Toolbar

I'm trying to get QTreeWidget working exactly similar to this one. In python! I don't care … Read more Multiple Columns In Pyqt4 (potentially Using Qtreewidget)

i am using pyqt4 to develop a GUI for the first time; I have a spinbox, and I would like the range… Read more Pyqt Qspinbox Update Range Depending On The Value Of Other Spinbox

I am new to PyQt GUI. I want to get the data of a QLineEdit text box, and for that I am using the t… Read more Pyqt : Data Is Not Json Serializable

I work eith pyqt4 in python3.4 I want to validate if the text in the cell is a float number when it… Read more How Validate A Cell In Qtablewidget?

What am I doing wrong here? I expect that 'image1.jpg' is shown over 'image.jpg' ,a… Read more Qgraphicspixmapitem Won't Show Over The Other Qgraphicspixmapitem

I have created a main window using Qt designer that has a tabwidget in it. My problem is that when … Read more Resizing Widgets In Pyqt4

I wonder if it is possible to change the languages(translations) dynamically without using qt desig… Read more How To Change Languages(translations) Dynamically On Pyqt5?

I've seen posts about QFileSystemModel rowCount not working as expected (ex1, ex2), but I seem … Read more Pyqt Qfilesystemmodel Rowcount

Is there any way we can pass a parameter to QThread when the thread is started (.start) ? I found a… Read more Passing Parameter To A Pyqt Thread When Started