mirror of
https://github.com/linux-man/LoveFrames.git
synced 2024-11-26 05:14:21 +00:00
333 lines
7.5 KiB
Lua
333 lines
7.5 KiB
Lua
--[[------------------------------------------------
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-- Love Frames - A GUI library for LOVE --
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-- Copyright (c) 2012-2014 Kenny Shields --
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--]]------------------------------------------------
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-- get the current require path
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local path = string.sub(..., 1, string.len(...) - string.len(".objects.menu"))
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local loveframes = require(path .. ".libraries.common")
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-- menu object
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local newobject = loveframes.NewObject("menu", "loveframes_object_menu", true)
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--[[---------------------------------------------------------
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- func: initialize()
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- desc: initializes the object
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--]]---------------------------------------------------------
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function newobject:initialize(menu)
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self.type = "menu"
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self.width = 80
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self.height = 25
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self.largest_item_width = 0
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self.largest_item_height = 0
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self.is_sub_menu = false
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self.internal = false
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self.parentmenu = nil
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self.options = {}
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self.internals = {}
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end
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--[[---------------------------------------------------------
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- func: update(deltatime)
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- desc: updates the object
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--]]---------------------------------------------------------
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function newobject:update(dt)
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local state = loveframes.state
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local selfstate = self.state
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if state ~= selfstate then
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return
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end
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local visible = self.visible
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local alwaysupdate = self.alwaysupdate
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if not visible then
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if not alwaysupdate then
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return
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end
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end
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self:CheckHover()
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local hover = self.hover
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local parent = self.parent
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local base = loveframes.base
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local update = self.Update
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-- move to parent if there is a parent
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if parent ~= base then
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self.x = self.parent.x + self.staticx
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self.y = self.parent.y + self.staticy
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end
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for k, v in ipairs(self.internals) do
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local width = v.contentwidth
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local height = v.contentheight
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if width > self.largest_item_width then
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self.largest_item_width = width
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end
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if height > self.largest_item_height then
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self.largest_item_height = height
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end
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end
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local y = 0
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self.height = 0
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for k, v in ipairs(self.internals) do
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v:SetWidth(self.largest_item_width)
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if v.option_type ~= "divider" then
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v:SetHeight(self.largest_item_height)
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else
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v:SetHeight(5)
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end
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v:SetY(y)
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self.height = self.height + v.height
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y = y + v.height
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v:update(dt)
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end
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self.width = self.largest_item_width
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self.largest_item_width = 0
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self.largest_item_height = 0
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local screen_width = love.graphics.getWidth()
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local screen_height = love.graphics.getHeight()
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local sx = self.x
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local sy = self.y
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local width = self.width
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local height = self.height
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local x1 = sx + width
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if sx + width > screen_width then
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self.x = screen_width - width
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end
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if sy + self.height > screen_height then
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self.y = screen_height - self.height
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end
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if update then
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update(self, dt)
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end
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end
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--[[---------------------------------------------------------
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- func: draw()
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- desc: draws the object
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--]]---------------------------------------------------------
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function newobject:draw()
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local state = loveframes.state
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local selfstate = self.state
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if state ~= selfstate then
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return
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end
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local visible = self.visible
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if not visible then
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return
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end
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local skins = loveframes.skins.available
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local skinindex = loveframes.config["ACTIVESKIN"]
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local defaultskin = loveframes.config["DEFAULTSKIN"]
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local selfskin = self.skin
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local skin = skins[selfskin] or skins[skinindex]
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local drawfunc = skin.DrawMenu or skins[defaultskin].DrawMenu
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local draw = self.Draw
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local drawoverfunc = skin.DrawOverMenu or skins[defaultskin].DrawOverMenu
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local drawcount = loveframes.drawcount
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-- set the object's draw order
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self:SetDrawOrder()
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if draw then
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draw(self)
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else
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drawfunc(self)
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end
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for k, v in ipairs(self.internals) do
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v:draw()
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end
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if drawoverfunc then
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drawoverfunc(self)
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end
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end
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--[[---------------------------------------------------------
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- func: mousepressed(x, y, button)
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- desc: called when the player presses a mouse button
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--]]---------------------------------------------------------
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function newobject:mousepressed(x, y, button)
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local state = loveframes.state
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local selfstate = self.state
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if state ~= selfstate then
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return
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end
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local visible = self.visible
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if not visible then
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return
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end
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end
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--[[---------------------------------------------------------
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- func: mousereleased(x, y, button)
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- desc: called when the player releases a mouse button
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--]]---------------------------------------------------------
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function newobject:mousereleased(x, y, button)
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local state = loveframes.state
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local selfstate = self.state
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if state ~= selfstate then
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return
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end
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local visible = self.visible
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if not visible then
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return
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end
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local internals = self.internals
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for k, v in ipairs(internals) do
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v:mousereleased(x, y, button)
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end
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end
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--[[---------------------------------------------------------
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- func: AddOption(text, icon, func)
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- desc: adds an option to the object
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--]]---------------------------------------------------------
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function newobject:AddOption(text, icon, func)
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local menuoption = loveframes.objects["menuoption"]:new(self)
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menuoption:SetText(text)
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menuoption:SetIcon(icon)
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menuoption:SetFunction(func)
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table.insert(self.internals, menuoption)
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return self
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end
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--[[---------------------------------------------------------
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- func: RemoveOption(id)
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- desc: removes an option
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--]]---------------------------------------------------------
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function newobject:RemoveOption(id)
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for k, v in ipairs(self.internals) do
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if k == id then
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table.remove(self.internals, k)
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return
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end
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end
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return self
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end
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--[[---------------------------------------------------------
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- func: AddSubMenu(text, icon, menu)
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- desc: adds a submenu to the object
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--]]---------------------------------------------------------
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function newobject:AddSubMenu(text, icon, menu)
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local function activatorFunc(object)
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if menu:GetVisible() then
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local hoverobject = loveframes.hoverobject
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if hoverobject ~= object and hoverobject:GetBaseParent() ~= menu then
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menu:SetVisible(false)
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end
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else
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menu:SetVisible(true)
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menu:SetPos(object:GetX() + object:GetWidth(), object:GetY())
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end
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end
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menu:SetVisible(false)
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local menuoption = loveframes.objects["menuoption"]:new(self, "submenu_activator", menu)
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menuoption:SetText(text)
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menuoption:SetIcon(icon)
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if menu then
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menu.is_sub_menu = true
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menu.parentmenu = self
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end
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table.insert(self.internals, menuoption)
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return self
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end
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--[[---------------------------------------------------------
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- func: AddDivider()
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- desc: adds a divider to the object
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--]]---------------------------------------------------------
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function newobject:AddDivider()
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local menuoption = loveframes.objects["menuoption"]:new(self, "divider")
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table.insert(self.internals, menuoption)
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return self
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end
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--[[---------------------------------------------------------
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- func: GetBaseMenu(t)
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- desc: gets the object's base menu
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--]]---------------------------------------------------------
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function newobject:GetBaseMenu(t)
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local t = t or {}
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if self.parentmenu then
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table.insert(t, self.parentmenu)
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self.parentmenu:GetBaseMenu(t)
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else
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return self
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end
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return t[#t]
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end
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--[[---------------------------------------------------------
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- func: SetVisible(bool)
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- desc: sets the object's visibility
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--]]---------------------------------------------------------
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function newobject:SetVisible(bool)
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self.visible = bool
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if not bool then
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local internals = self.internals
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for k, v in ipairs(internals) do
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if v.menu then
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v.activated = false
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v.menu:SetVisible(bool)
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end
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end
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end
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return self
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end
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