91 lines
2.7 KiB
Markdown
91 lines
2.7 KiB
Markdown
local VisualElement = require("elements/VisualElement")
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local List = require("elements/List")
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local tHex = require("libraries/colorHex")
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---@class Menu : List
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local Menu = setmetatable({}, List)
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Menu.__index = Menu
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Menu.defineProperty(Menu, "separatorColor", {default = colors.gray, type = "number"})
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function Menu.new()
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local self = setmetatable({}, Menu):__init()
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self.set("width", 30)
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self.set("height", 1)
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self.set("background", colors.gray)
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return self
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end
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function Menu:init(props, basalt)
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List.init(self, props, basalt)
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self.set("type", "Menu")
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return self
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end
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function Menu:setItems(items)
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local listItems = {}
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local totalWidth = 0
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for _, item in ipairs(items) do
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if item.separator then
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table.insert(listItems, {text = item.text or "|", selectable = false})
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totalWidth = totalWidth + 1
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else
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local text = " " .. item.text .. " "
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item.text = text
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table.insert(listItems, item)
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totalWidth = totalWidth + #text
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end
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end
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self.set("width", totalWidth)
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return List.setItems(self, listItems)
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end
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function Menu:render()
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VisualElement.render(self)
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local currentX = 1
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for i, item in ipairs(self.get("items")) do
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local isSelected = i == self.get("selectedIndex")
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local fg = item.selectable == false and self.get("separatorColor") or
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(isSelected and (item.selectedForeground or self.get("foreground")) or
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(item.foreground or self.get("foreground")))
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local bg = isSelected and
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(item.selectedBackground or self.get("selectedColor")) or
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(item.background or self.get("background"))
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self:blit(currentX, 1, item.text,
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string.rep(tHex[fg], #item.text),
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string.rep(tHex[bg], #item.text))
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currentX = currentX + #item.text
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end
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end
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function Menu:mouse_click(button, x, y)
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if not VisualElement.mouse_click(self, button, x, y) then return false end
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if(self.get("selectable") == false) then return false end
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local relX = select(1, self:getRelativePosition(x, y))
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local currentX = 1
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for i, item in ipairs(self.get("items")) do
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if relX >= currentX and relX < currentX + #item.text then
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if item.selectable ~= false then
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self.set("selectedIndex", i)
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if type(item) == "table" then
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if item.callback then
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item.callback(self)
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end
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end
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self:fireEvent("select", i, item)
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end
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return true
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end
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currentX = currentX + #item.text
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end
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return false
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end
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return Menu
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