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# Level of abstractions:
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2018-10-10 01:06:03 +08:00
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* Level 0: terminal output.
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* Level 1: ftxui::Screen
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* Level 2: ftxui::Node
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* Level 3: ftxui::Component
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2018-10-10 01:06:03 +08:00
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## Level 0: terminal output.
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2020-02-03 23:05:41 +08:00
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This is std::cout. You can send text to it.
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2018-10-10 01:06:03 +08:00
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## Level 1: ftxui::Screen
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A rectangular grid of characters.
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2020-02-03 23:05:41 +08:00
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Use Terminal::ToString() to append its content to the console (level 0).
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2018-10-10 01:06:03 +08:00
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2019-01-12 22:00:08 +08:00
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## Level 2: ftxui::Node
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2020-02-03 23:05:41 +08:00
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A hierarchial set of element.
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They handle layout and render themself on the screen (level 1)
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2020-02-04 18:48:01 +08:00
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See [elements.hpp](./dom/elements.hpp)
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2018-10-10 01:06:03 +08:00
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You can make implement your own.
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2019-01-12 22:00:08 +08:00
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## Level 3: ftxui::Component
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2020-02-03 23:05:41 +08:00
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A hierarchical set of components.
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Components store some state and react to events:
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2020-02-04 18:48:01 +08:00
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* keyboard
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* mouse
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* terminal event
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2020-02-03 23:05:41 +08:00
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Components renders themself by producing ftxui::Node (Level 2)
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2018-10-10 01:06:03 +08:00
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2018-10-21 20:18:11 +08:00
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Implement your own!
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