View difference between Paste ID: 1vnitemv and pFHeia96

---[[
+
-The MIT License (MIT)
+
-
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-Copyright (c) 2013 Lyqyd
+
-
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-Permission is hereby granted, free of charge, to any person obtaining a copy
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-of this software and associated documentation files (the "Software"), to deal
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-in the Software without restriction, including without limitation the rights
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-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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-copies of the Software, and to permit persons to whom the Software is
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-furnished to do so, subject to the following conditions:
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-
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-The above copyright notice and this permission notice shall be included in
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-all copies or substantial portions of the Software.
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-
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-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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-THE SOFTWARE.
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---]]
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 	return labelTable, name
 end
 
 local Button = {
 	draw = function(self)
 		local old = term.redirect(self.mon)
 		term.setTextColor(colors.white)
 		term.setBackgroundColor(colors.black)
 		term.clear()
 		for name, buttonData in pairs(self.buttonList) do
 			if buttonData.active then
 				term.setBackgroundColor(buttonData.activeColor)
 				term.setTextColor(buttonData.activeText)
 			else
 				term.setBackgroundColor(buttonData.inactiveColor)
 				term.setTextColor(buttonData.inactiveText)
 			end
 			for i = buttonData.yMin, buttonData.yMax do
 				term.setCursorPos(buttonData.xMin, i)
 				term.write(buttonData.label[i - buttonData.yMin + 1])
 			end
 		end
 		if old then
 			term.redirect(old)
 		else
 			term.restore()
 		end
 	end,
 	add = function(self, name, func, xMin, yMin, xMax, yMax, inactiveColor, activeColor, inactiveText, activeText)
 		local label, name = setupLabel(xMax - xMin + 1, yMin, yMax, name)
 		if self.buttonList[name] then error("button already exists", 2) end
 		local x, y = self.mon.getSize()
 		if xMin < 1 or yMin < 1 or xMax > x or yMax > y then error("button out of bounds", 2) end
 		self.buttonList[name] = {
 			func = func,
 			xMin = xMin,
 			yMin = yMin,
 			xMax = xMax,
 			yMax = yMax,
 			active = false,
 			inactiveColor = inactiveColor or colors.red,
 			activeColor = activeColor or colors.lime,
 			inactiveText = inactiveText or colors.white,
 			activeText = activeText or colors.white,
 			label = label,
 		}
 		for i = xMin, xMax do
 			for j = yMin, yMax do
 				if self.clickMap[i][j] ~= nil then
 					--undo changes
 					for k = xMin, xMax do
 						for l = yMin, yMax do
 							if self.clickMap[k][l] == name then
 								self.clickMap[k][l] = nil
 							end
 						end
 					end
 					self.buttonList[name] = nil
 					error("overlapping button", 2)
 				end
 				self.clickMap[i][j] = name
 			end
 		end
 	end,
 	remove = function(self, name)
 		if self.buttonList[name] then
 			local button = self.buttonList[name]
 			for i = button.xMin, button.xMax do
 				for j = button.yMin, button.yMax do
 					self.clickMap[i][j] = nil
 				end
 			end
 			self.buttonList[name] = nil
 		end
 	end,
 	run = function(self)
 		while true do
 			self:draw()
 			local event = {self:handleEvents(os.pullEvent(self.side == "term" and "mouse_click" or "monitor_touch"))}
 			if event[1] == "button_click" then
 				self.buttonList[event[2]].func()
 			end
 		end
 	end,
 	handleEvents = function(self, ...)
 		local event = {...}
 		if #event == 0 then event = {os.pullEvent()} end
 		if (self.side == "term" and event[1] == "mouse_click") or (self.side ~= "term" and event[1] == "monitor_touch" and event[2] == self.side) then
 			local clicked = self.clickMap[event[3]][event[4]]
 			if clicked and self.buttonList[clicked] then
 				return "button_click", clicked
 			end
 		end
 		return unpack(event)
 	end,
 	toggleButton = function(self, name, noDraw)
 		self.buttonList[name].active = not self.buttonList[name].active
 		if not noDraw then self:draw() end
 	end,
 	flash = function(self, name, duration)
 		self:toggleButton(name)
 		sleep(tonumber(duration) or 0.15)
 		self:toggleButton(name)
 	end,
 	rename = function(self, name, newName)
 		self.buttonList[name].label, newName = setupLabel(self.buttonList[name].xMax - self.buttonList[name].xMin + 1, self.buttonList[name].yMin, self.buttonList[name].yMax, newName)
 		if not self.buttonList[name] then error("no such button", 2) end
 		if name ~= newName then
 			self.buttonList[newName] = self.buttonList[name]
 			self.buttonList[name] = nil
 			for i = self.buttonList[newName].xMin, self.buttonList[newName].xMax do
 				for j = self.buttonList[newName].yMin, self.buttonList[newName].yMax do
 					self.clickMap[i][j] = newName
 				end
 			end
 		end
 		self:draw()
 	end,
 }
 
 function new(monSide)
 	local buttonInstance = {
 		side = monSide or "term",
 		mon = monSide and peripheral.wrap(monSide) or term.current(),
 		buttonList = {},
 		clickMap = {},
 	}
 	local x, y = buttonInstance.mon.getSize()
 	for i = 1, x do
 		buttonInstance.clickMap[i] = {}
 	end
 	setmetatable(buttonInstance, {__index = Button})
 	return buttonInstance
 end