Signals and slots is a mechanism for implementing the observer pattern.
Still learning how pyqt works. I want to dynamically generate a customContextMenu and connect with a function. So far I …
python pyqt4 signals-slots qmenuI want to add double clicked attribute for my QListWidget objects. My command line does not work: self.connect(self.…
python pyqt pyqt4 signals-slots qlistwidgetI am trying to connect to the selectionChanged signal of a QTreeView using PyQt. I have done this in the …
qt pyqt signals signals-slots qtreeviewI have the following code that performs a background operation (scan_value) while updating a progress bar in the ui (…
python multithreading pyqt signals-slots qthreadI am trying to connect the click() signal of a button to my own function. The button is in a …
python pyqt pyside signals-slots qt-designerI am making an abstract-base-class and was thinking I might want a pure virtual signal. But when I compiled I …
c++ qt abstract-class signals-slotsI wrote a small program to test accessing a widget parent's slot. Basically, it has two classes: Widget: namespace Ui { …
qt signals-slotsIn particular, I am implementing a QWizardPage ("MyWizardPage") for a QWizard, and I want to emit a signal ("sigLog") from …
qt signals-slotsI have a PySide (Qt) GUI which spawns multiple threads. The threads sometimes need to update the GUI. I have …
python multithreading qt signals-slots pysideLets say I have a main window with a slider and a widget inside that window with a method called …
c++ qt user-interface class-design signals-slots