Comments by "Cees Timmerman" (@CTimmerman) on "GUI Programming Introduction - Computerphile" video.

  1. There's usually a thread that draws all the visible components, checks for user input like clicks, translates click location to component, and sends an event to the handler of that component. That handler can do things like getting the value of a text field and sending it to the origin of the web page whenever the reply button is pressed.
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  2. Lol. C is one of the most portable languages.
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  3. He might as well have drawn a bunch of buttons before entering the input loop that prints to the screen while typing, and entering 512 or more characters would lead to undefined behavior, but the benefit of WYSIWIG editors is not having to calculate initial element locations by hand. In Visual Basic 6 you'd still need to account for system font size and resize events, though.
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  4. Clients are often users, though.
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  5. Technically, all pixels are graphic, and it was a user interface.
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  6. "Hey function, here's a pointer to another function to call." - Typically done for things like advanced string replacement in a regular expressions library function like in PHP.
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