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30 lines
1.1 KiB
30 lines
1.1 KiB
--- @meta
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--- A distinct full-screen UI. Each screen has an associated LVGL UI tree and
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--- group, and can be shown on-screen using the 'backstack' module.
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--- Screens make use of prototype inheritance in order to provide a consistent
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--- interface for the C++ firmware to work with.
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--- See [Programming in Lua, chapter 16](https://www.lua.org/pil/16.2.html).
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--- @class screen
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local screen = {}
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--- Creates a new screen instance.
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function screen:new(params) end
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--- Called just before this screen is first displayed to the user.
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function screen:createUi() end
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--- Called whenever this screen is displayed to the user.
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function screen:onShown() end
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--- Called whenever this screen is being hidden by the user; either because a
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--- new screen is being pushed on top of this way, or because this screen has
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--- been popped off of the stack.
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function screen:onHidden() end
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--- Called when this screen is about to be popped off of the stack. If this
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--- returns false, it will not be popped. May be a function, or any boolean
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--- convertable value.
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function screen:canPop() end
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return screen
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