May 2019
Intermediate to advanced
542 pages
13h 37m
English
Content preview from Mastering GUI Programming with Python
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Drawing widgets
Now let's try something a bit more ambitious. Let's change all our QLineEdit entry boxes to a green rounded rectangle outline. So, how do we go about doing this in a proxy style?
The first step is to figure out what element of the widget we're trying to modify. These can be found as enum constants of the QStyle class, and they're divided into three main classes:
- PrimitiveElement, which includes fundamental, non-interactive GUI elements such as frames or backgrounds
- ControlElement, which includes interactive elements such as buttons or tabs
- ComplexControl, which includes complex interactive elements such as combo boxes and sliders
Each of these classes of items is drawn by a different method of QStyle; in this case, it turns ...
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