May 2019
Intermediate to advanced
542 pages
13h 37m
English
Content preview from Mastering GUI Programming with Python
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Customizing colors with palettes
A palette, represented by the QPalette class, is a collection of colors and brushes that are mapped to color roles and color groups.
Let's unpack that statement:
- Here, color is a literal color value, represented by a QColor object
- A brush combines a particular color with a style, such as a pattern, gradient, or texture, and is represented by a QBrush class
- A color role represents the way a widget uses the color, such as in the foreground, in the background, or in the border
- The color group refers to the interaction state of the widget; it can be Normal, Active, Disabled, or Inactive
When a widget is painted on the screen, Qt's painting system consults the palette to determine the color and brush used to ...
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