By default, the integer number in the box starts with 0, goes upto 99 and changes by step 1. The value in the textbox increases/decreases if the up/down button is pressed. A QSpinBox object presents the user with a textbox which displays an integer with up/down button on its right. (cherry picked from commit 7389fd9 ) Co-authored-by: Eric V.
If the class has a member that's a MemberDescriptorType, it's not a default value, it's from that member being in slots. If not provided, the defaultvalue will be None. Setdefault takes a maximum of two parameters: key - the key to be searched in the dictionary defaultvalue (optional) - key with a value defaultvalue is inserted to the dictionary if the key is not in the dictionary. Note: The comments about new style connections in.
The following example uses the PyQtPyObject value declaration with an old-style signal-slot connection, and again when the signal is emitted, to communicate a Python dictionary. On the #pyqt channel on Freenode, Khertan asked about sending Python values via Qt's signals and slots mechanism. Sending Python values with signals and slots.
