88 lines
2.0 KiB
Lua
88 lines
2.0 KiB
Lua
--Builds the element stack basically
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local path = string.sub(..., 1, string.len(...) - string.len(".core.stack"))
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local helium = require(path .. ".dummy")
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---@class context
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local context = {}
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context.__index = context
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local activeContext
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---@param elem element
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function context.new(elem)
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local ctx = setmetatable({
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view = elem.view,
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element = elem,
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childrenContexts = {},
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inputContext = helium.input.newContext(elem)
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}, context)
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return ctx
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end
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function context:bubbleUpdate()
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self.element.settings.pendingUpdate = true
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self.element.settings.needsRendering = true
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if self.parentCtx and self.parentCtx~=self then
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self.parentCtx:bubbleUpdate()
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end
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end
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function context:set()
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if activeContext then
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if not self.parentCtx and activeContext~=self then
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self.parentCtx = activeContext
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activeContext.childrenContexts[#activeContext.childrenContexts] = self
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end
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self.absX = self.parentCtx.absX + self.view.x
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self.absY = self.parentCtx.absY + self.view.y
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activeContext = self
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else
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self.absX = self.view.x
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self.absY = self.view.y
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activeContext = self
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end
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self.inputContext:set()
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end
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function context:unset()
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self.inputContext:unset()
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self.inputContext:afterLoad()
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if self.parentCtx then
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activeContext = self.parentCtx
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else
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activeContext = nil
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end
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end
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function context:unsuspend()
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self.inputContext:unsuspend()
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end
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function context:destroy()
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self.elem:undraw()
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for i=1,#self.childrenContexts do
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self.childrenContexts[i]:destroy()
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end
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end
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function context:suspend()
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self.inputContext:set()
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self.inputContext:suspend()
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self.inputContext:unset()
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end
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--Function meant for external context capture
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function context.getContext()
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return activeContext
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end
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return context |