July 2018
Intermediate to advanced
462 pages
12h 2m
English
Content preview from Qt5 Python GUI Programming Cookbook
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How it works...
The triggered() signal of the action of each toolbar button is connected to the respective method. The triggered() signal of the actionCircle toolbar button is connected to the drawCircle() method, so whenever the circle toolbar button is selected from the toolbar, the drawCircle() method will be invoked. Similarly, the triggered() signal of actionRectangle and actionLine are connected to the drawRectangle() and drawLine() methods, respectively. In the drawCircle() method, a variable toDraw is assigned a string, circle. The toDraw variable will be used to determine the graphics to be drawn in the paintEvent() method. The toDraw variable can be assigned any of the three strings, line, circle, or rectangle. A conditional branching ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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