db716636bd
- Finished themes - Added state plugins for persistance - Finished reactive plugin - Added debug plugin (80% finished) - Added benchmark plugin - Added Tree, Table, List, Dropdown and Menu Elements - Bugfixes
87 lines
3.1 KiB
Lua
87 lines
3.1 KiB
Lua
local VisualElement = require("elements/VisualElement")
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---@class Slider : VisualElement
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local Slider = setmetatable({}, VisualElement)
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Slider.__index = Slider
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---@property step number 1 Current step position (1 to width/height)
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Slider.defineProperty(Slider, "step", {default = 1, type = "number", canTriggerRender = true})
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---@property max number 100 Maximum value for value conversion
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Slider.defineProperty(Slider, "max", {default = 100, type = "number"})
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---@property horizontal boolean true Whether the slider is horizontal
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Slider.defineProperty(Slider, "horizontal", {default = true, type = "boolean", canTriggerRender = true})
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---@property barColor color color Colors for the slider bar
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Slider.defineProperty(Slider, "barColor", {default = colors.gray, type = "number", canTriggerRender = true})
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---@property sliderColor color The color of the slider handle
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Slider.defineProperty(Slider, "sliderColor", {default = colors.blue, type = "number", canTriggerRender = true})
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Slider.listenTo(Slider, "mouse_click")
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Slider.listenTo(Slider, "mouse_drag")
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Slider.listenTo(Slider, "mouse_up")
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function Slider.new(props, basalt)
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local self = setmetatable({}, Slider):__init()
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self.set("width", 8)
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self.set("height", 1)
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self.set("backgroundEnabled", false)
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self:init(props, basalt)
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return self
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end
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function Slider:init(props, basalt)
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VisualElement.init(self, props, basalt)
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self.set("type", "Slider")
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end
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function Slider:getValue()
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local step = self.get("step")
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local max = self.get("max")
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local maxSteps = self.get("horizontal") and self.get("width") or self.get("height")
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return math.floor((step - 1) * (max / (maxSteps - 1)))
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end
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function Slider:mouse_click(button, x, y)
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if button == 1 and self:isInBounds(x, y) then
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local relX, relY = self:getRelativePosition(x, y)
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local pos = self.get("horizontal") and relX or relY
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local maxSteps = self.get("horizontal") and self.get("width") or self.get("height")
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self.set("step", math.min(maxSteps, math.max(1, pos)))
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self:updateRender()
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return true
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end
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end
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Slider.mouse_drag = Slider.mouse_click
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function Slider:mouse_scroll(direction, x, y)
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if self:isInBounds(x, y) then
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local step = self.get("step")
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local maxSteps = self.get("horizontal") and self.get("width") or self.get("height")
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self.set("step", math.min(maxSteps, math.max(1, step + direction)))
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self:updateRender()
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return true
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end
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end
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function Slider:render()
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VisualElement.render(self)
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local width = self.get("width")
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local height = self.get("height")
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local horizontal = self.get("horizontal")
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local step = self.get("step")
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local barChar = horizontal and "\140" or "│"
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local text = string.rep(barChar, horizontal and width or height)
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if horizontal then
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self:textFg(1, 1, text, self.get("barColor"))
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self:textBg(step, 1, " ", self.get("sliderColor"))
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else
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for y = 1, height do
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self:textFg(1, y, barChar, self.get("barColor"))
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end
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self:textFg(1, step, "\140", self.get("sliderColor"))
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end
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end
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return Slider |