695 lines
19 KiB
Lua
695 lines
19 KiB
Lua
-- Shad's GUI free for everyone to use
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frame = { __type = "Frame", name = ""} -- Frame element
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frame.__index = frame
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animation = {__type = "Animation", name = ""}
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animation.__index = animation
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local object = {} -- Base class for all UI elements
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local activeFrame
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local frames = {}
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local animations = {}
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--Utility Functions:
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function getTextAlign(text, w, textAlign)
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local text = string.sub(text, 1, w)
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local n = w-string.len(text)
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if(textAlign=="right")then
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text = string.rep(" ", n)..text
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elseif(textAlign=="center")then
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text = string.rep(" ", math.floor(n/2))..text..string.rep(" ", math.floor(n/2))
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text = text..(string.len(text) < w and " " or "")
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else
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text = text..string.rep(" ", n)
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end
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return text
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end
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--------------
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frame.new = function(name, screen)
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local usedScreen = screen~=nil and screen or term.native()
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local w, h = usedScreen.getSize()
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local newElement = {name=name, screen = usedScreen, fWindow = window.create(usedScreen,1,1,w,h),w=w,h=h, objects={},bgcolor = colors.black, fgcolor=colors.white, title="New Frame", titlebgcolor = colors.lightBlue, titlefgcolor = colors.black, textAlign="left",focusedObject={}}
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if(frames[name] == nil)then
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frames[name] = newElement
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newElement.fWindow.setVisible(false)
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setmetatable(newElement, {__index = frame});
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newElement.debugLabel=newElement:addLabel("DebugLabel")
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return newElement;
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else
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return frames[name];
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end
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end
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function frame:getName()
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return self.name
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end
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function frame:setBackground(color)
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self.bgcolor = color
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self.changed = true
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return self
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end
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function frame:setForeground(color)
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self.fgcolor = color
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self.changed = true
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return self
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end
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function frame:setTitle(title,fgcolor,bgcolor)
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self.title=title
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if(fgcolor~=nil)then self.titlefgcolor = fgcolor end
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if(bgcolor~=nil)then self.titlebgcolor = bgcolor end
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self.changed = true
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return self
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end
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function frame:setTextAlign(align)
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self.textAlign = align
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self.changed = true
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return self
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end
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function frame:show()
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self.draw = true
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self.changed = true
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self.fWindow.setBackgroundColor(self.bgcolor)
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self.fWindow.setTextColor(self.fgcolor)
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self.fWindow.setVisible(true)
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if(activeFrame~=nil)then
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activeFrame:hide()
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end
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activeFrame = self
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return self
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end
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function frame:hide()
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self.fWindow.setVisible(false)
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self.changed = true
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self.draw = false
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return self
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end
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function frame:getObject(name)
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return self.objects[name]
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end
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function frame:getFocusedObject()
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return self.focusedObject
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end
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--Animation System
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animation.new = function(name)
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local newElement = {name=name,animations={},nextWaitTimer=0,index=1,infiniteloop=false}
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setmetatable(newElement, animation)
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table.insert(animations, newElement)
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return newElement
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end
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function animation:addAnimation(func)
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table.insert(self.animations, {f=func,t=self.nextWaitTimer})
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self.nextWaitTimer = 0
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return self
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end
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function animation:wait(timer)
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self.nextWaitTimer = timer
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return self
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end
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function animation:onPlay() -- internal function, don't use it unless you know what you do!
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if(self.playing)then
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self.animations[self.index].f(self)
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self.index = self.index+1
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if(self.animations[self.index]~=nil)then
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if(self.animations[self.index].t>0)then
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self.timeObj = os.startTimer(self.animations[self.index].t)
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else
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self:onPlay()
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end
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else
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if(self.infiniteloop)then
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self.index = 1
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if(self.animations[self.index].t>0)then
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self.timeObj = os.startTimer(self.animations[self.index].t)
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else
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self:onPlay()
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end
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end
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end
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end
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end
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function animation:play(infiniteloop)
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if(infiniteloop~=nil)then self.infiniteloop=infiniteloop end
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self.playing = true
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if(self.animations[self.index]~=nil)then
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if(self.animations[self.index].t>0)then
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self.timeObj = os.startTimer(self.animations[self.index].t)
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else
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self:onPlay()
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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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function animation:cancel()
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os.cancelTimer(self.timeObj)
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self.playing = false
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self.infiniteloop = false
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self.index = 0
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return self
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end
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-----------
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--Object Constructors:
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function object:new()
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local newElement = {__type = "Object",name="",drawCalls=0,x=1,y=1,w=1,h=1,textAlign="left",draw=false,changed=true,bgcolor=colors.black,fgcolor=colors.white,text=""}
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setmetatable(newElement, {__index = self})
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return newElement
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end
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timer = object:new()
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function timer:new()
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local newElement = {__type = "Timer"}
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setmetatable(newElement, {__index = self})
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return newElement
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end
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checkbox = object:new()
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function checkbox:new()
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local newElement = {__type = "Checkbox",symbol="x",bgcolor=colors.lightBlue,fgcolor=colors.black}
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setmetatable(newElement, {__index = self})
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return newElement
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end
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label = object:new()
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function label:new()
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local newElement = {__type = "Label"}
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setmetatable(newElement, {__index = self})
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return newElement
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end
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input = object:new()
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function input:new()
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local newElement = {__type = "Input",bgcolor=colors.lightBlue,fgcolor=colors.black,w=5}
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setmetatable(newElement, {__index = self})
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return newElement
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end
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button = object:new()
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function button:new()
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local newElement = {__type = "Button",bgcolor=colors.lightBlue,fgcolor=colors.black,w=5,textAlign="center"}
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setmetatable(newElement, {__index = self})
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return newElement
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end
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dropdown = object:new()
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function dropdown:new()
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local newElement = {__type = "Dropdown",bgcolor=colors.lightBlue,fgcolor=colors.black,w=5,textAlign="center",elements={},selected=""}
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setmetatable(newElement, {__index = self})
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return newElement
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end
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--------
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function object:show()
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if not(self.draw)then
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self.draw = true
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self.changed = true
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end
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return self
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end
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function object:hide()
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if(self.draw)then
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self.draw = false
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self.changed = true
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end
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return self
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end
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function object:setPosition(x,y)
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self.x = tonumber(x)
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self.y = tonumber(y)
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self.changed = true
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return self
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end
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function object:setBackground(color)
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self.bgcolor = color
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self.changed = true
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return self
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end
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function object:setForeground(color)
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self.fgcolor = color
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self.changed = true
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return self
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end
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function object:onClick(func)
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self.clickFunc = func
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return self
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end
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function object:setText(text)
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self.text = text
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self.changed = true
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return self
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end
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function object:onChange(func)
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self.changeFunc = func
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return self
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end
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function object:setSize(w,h)
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self.w = tonumber(w)
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self.h = tonumber(h)
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self.changed = true
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return self
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end
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function object:setTextAlign(align)
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self.textAlign = align
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self.changed = true
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return self
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end
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function object:drawObject() -- Base class for drawing a object
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if(self.draw)then
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self.drawCalls = self.drawCalls + 1
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end
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return self
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end
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function object:IsFocusedElement()
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return self == self.frame.focusedObject
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end
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function frame:addTimer(name)
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if(self.objects[name] == nil)then
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local obj = timer:new()
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self.objects[name] = obj
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obj.name = name;obj.frame=self;
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return obj;
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else
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return nil, "id "..name.." already exists";
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end
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return self
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end
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function timer:setTime(timer, repeats)
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self.timer = timer
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if(repeats>0)then
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self.repeats = repeats
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else
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self.repeats = -1
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end
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return self
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end
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function timer:start(timer, repeats)
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self.active = true
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if(timer~=nil)then self.timer = timer end
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if(repeats~=nil)then self.repeats = repeats end
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self.timeObj = os.startTimer(self.timer)
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return self
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end
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function timer:cancel()
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self.active = false
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os.cancelTimer(self.timeObj)
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return self
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end
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function timer:onCall(func)
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self.call = func
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return self
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end
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function frame:addCheckbox(name)
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if(self.objects[name] == nil)then
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local obj = checkbox:new()
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self.objects[name] = obj
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obj.name = name;obj.frame=self;
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return obj;
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else
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return nil, "id "..name.." already exists";
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end
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return self
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end
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function checkbox:setSymbol(symbol)
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self.symbol = string.sub(symbol,1,1)
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self.changed = true
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return self
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end
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function checkbox:drawObject()
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object.drawObject(self) -- Base class
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if(self.draw)then
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self.frame.fWindow.setCursorPos(self.x,self.y)
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self.frame.fWindow.setBackgroundColor(self.bgcolor)
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self.frame.fWindow.setTextColor(self.fgcolor)
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if(self.checked)then
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self.frame.fWindow.write(self.symbol)
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else
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self.frame.fWindow.write(" ")
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end
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self.changed = false
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end
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end
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function frame:addLabel(name)
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if(self.objects[name] == nil)then
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local obj = label:new()
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self.objects[name] = obj
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obj.name = name;obj.frame=self;
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obj.bgcolor = self.bgcolor
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obj.fgcolor = self.fgcolor
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return obj;
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else
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return nil, "id "..name.." already exists";
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end
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return self
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end
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function label:setText(text)
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object.setText(self,text)
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self.w = string.len(text)
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return self
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end
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function label:drawObject()
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object.drawObject(self) -- Base class
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if(self.draw)then
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self.frame.fWindow.setCursorPos(self.x,self.y)
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self.frame.fWindow.setBackgroundColor(self.bgcolor)
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self.frame.fWindow.setTextColor(self.fgcolor)
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self.frame.fWindow.write(self.text)
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self.changed = false
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end
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end
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function frame:addInput(name)
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if(self.objects[name] == nil)then
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local obj = input:new()
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self.objects[name] = obj
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obj.name = name;obj.frame=self;
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return obj;
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else
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return nil, "id "..name.." already exists";
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end
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return self
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end
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function input:drawObject()
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object.drawObject(self) -- Base class
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local text = ""
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if(self.draw)then
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if(string.len(self.text)>=self.w)then
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text = string.sub(self.text, string.len(self.text)-self.w+2, string.len(self.text))
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else
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text = self.text
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end
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local n = self.w-string.len(text)
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text = text..string.rep(" ", n)
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self.frame.fWindow.setCursorPos(self.x,self.y)
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self.frame.fWindow.setBackgroundColor(self.bgcolor)
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self.frame.fWindow.setTextColor(self.fgcolor)
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self.frame.fWindow.write(text)
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self.changed = false
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end
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end
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function frame:addButton(name)
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if(self.objects[name] == nil)then
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local obj = button:new()
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self.objects[name] = obj
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obj.name = name;obj.frame=self;
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return obj;
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else
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return nil, "id "..name.." already exists";
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end
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return self
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end
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function button:drawObject()
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object.drawObject(self) -- Base class
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if(self.draw)then
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self.frame.fWindow.setCursorPos(self.x,self.y)
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self.frame.fWindow.setBackgroundColor(self.bgcolor)
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self.frame.fWindow.setTextColor(self.fgcolor)
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self.frame.fWindow.write(getTextAlign(self.text, self.w, self.textAlign))
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self.changed = false
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end
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end
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function frame:addDropdown(name)
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if(self.objects[name] == nil)then
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local obj = dropdown:new()
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self.objects[name] = obj
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obj.name = name;obj.frame=self;
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return obj;
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else
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return nil, "id "..name.." already exists";
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end
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return self
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end
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function dropdown:addElement(text)
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table.insert(self.elements,text)
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return self
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end
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function dropdown:drawObject()
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object.drawObject(self) -- Base class
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if(self.draw)then
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self.frame.fWindow.setCursorPos(self.x,self.y)
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self.frame.fWindow.setBackgroundColor(self.bgcolor)
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self.frame.fWindow.setTextColor(self.fgcolor)
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self.frame.fWindow.write(getTextAlign(self.selected, self.w, self.textAlign))
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if(self.frame:getFocusedObject()==self)then
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if(#self.elements>0)then
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local index = 1
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for _,v in ipairs(self.elements)do
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self.frame.fWindow.setCursorPos(self.x,self.y+index)
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self.frame.fWindow.setBackgroundColor(self.bgcolor)
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self.frame.fWindow.setTextColor(self.fgcolor)
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self.frame.fWindow.write(getTextAlign(v, self.w, self.textAlign))
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index = index+1
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end
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end
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end
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self.changed = false
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end
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end
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function dropdown:getSelection()
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return self.selected
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end
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local function checkMouseClick(clicktype,x,y)
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activeFrame.inputActive = false
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local d = activeFrame.focusedObject
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if(d.__type=="Dropdown")then
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if(d:IsFocusedElement())then
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if(#d.elements>0)then
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local index = 1
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for _,b in pairs(d.elements)do
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if(d.x<=x)and(d.x+d.w>x)and(d.y+index<=y)and(d.y+index+d.h>y)then
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d.selected = b
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if(d.changeFunc~=nil)then
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d.changeFunc(d)
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end
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activeFrame.focusedObject = {}
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return
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end
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index = index+1
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end
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end
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end
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end
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activeFrame.focusedObject = {}
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for k,v in pairs(activeFrame.objects)do
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if(v.draw~=false)then
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if not(v.__type=="Timer")then
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if(v.x<=x)and(v.x+v.w>x)and(v.y<=y)and(v.y+v.h>y)then
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if(v.clickFunc~=nil)then
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v.clickFunc(v,clicktype)
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end
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activeFrame.focusedObject = v
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end
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end
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if(v.__type=="Input")then
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if(v.x<=x)and(v.x+v.w>x)and(v.y<=y)and(v.y+v.h>y)then
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v.frame.inputActive = true
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v.frame.activeInput = v
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v.frame.fWindow.setCursorPos(v.x+(string.len(v.text) < v.w and string.len(v.text) or v.w)-1,v.y)
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v.frame.cursorX = v.x+(string.len(v.text) < v.w and string.len(v.text) or v.w-1)
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v.frame.cursorY = v.y
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v.frame.fWindow.setCursorBlink(true)
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end
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end
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if(v.__type=="Checkbox")then
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if(v.x==x)and(v.y==y)then
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v.checked = not v.checked
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v.changed = true
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end
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end
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end
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end
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if not(activeFrame.inputActive)then
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activeFrame.fWindow.setCursorBlink(false)
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end
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end
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local function checkTimer(timeObject)
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for k,v in pairs(activeFrame.objects)do
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if(v.__type=="Timer")and(v.active)then
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if(v.timeObj == timeObject)then
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v.call(v)
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if(v.repeats~=0)then
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v.timeObj = os.startTimer(v.timer)
|
|
v.repeats = (v.repeats > 0 and v.repeats-1 or v.repeats)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
if(#animations>0)then
|
|
for k,v in pairs(animations)do
|
|
if(v.timeObj==timeObject)then
|
|
v:onPlay()
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
local function drawObjects()
|
|
if(activeFrame.draw)then
|
|
activeFrame.fWindow.clear()
|
|
|
|
if(activeFrame.title~="")then
|
|
local text = string.sub(activeFrame.title, 1, activeFrame.w)
|
|
local n = activeFrame.w-string.len(text)
|
|
if(activeFrame.textAlign=="left")then
|
|
text = text..string.rep(" ", n)
|
|
end
|
|
if(activeFrame.textAlign=="right")then
|
|
text = string.rep(" ", n)..text
|
|
end
|
|
if(activeFrame.textAlign=="center")then
|
|
text = string.rep(" ", math.floor(n/2))..text..string.rep(" ", math.floor(n/2))
|
|
text = text..(string.len(text) < activeFrame.w and " " or "")
|
|
end
|
|
activeFrame.fWindow.setBackgroundColor(activeFrame.titlebgcolor)
|
|
activeFrame.fWindow.setTextColor(activeFrame.titlefgcolor)
|
|
activeFrame.fWindow.setCursorPos(1,1)
|
|
activeFrame.fWindow.write(text)
|
|
end
|
|
for k,v in pairs(activeFrame.objects)do
|
|
if(v.draw~=nil)then
|
|
v:drawObject()
|
|
end
|
|
end
|
|
if(activeFrame.inputActive)then
|
|
activeFrame.fWindow.setCursorPos(activeFrame.cursorX, activeFrame.cursorY)
|
|
end
|
|
activeFrame.fWindow.setBackgroundColor(activeFrame.bgcolor)
|
|
activeFrame.fWindow.setTextColor(activeFrame.fgcolor)
|
|
activeFrame.fWindow.setVisible(true)
|
|
activeFrame.fWindow.redraw()
|
|
end
|
|
end
|
|
|
|
local function checkForChangedObjects()
|
|
local changed = activeFrame.changed
|
|
for k,v in pairs(activeFrame.objects)do
|
|
if(v.changed)then
|
|
changed = true
|
|
end
|
|
end
|
|
if(changed)then
|
|
drawObjects()
|
|
end
|
|
end
|
|
|
|
local function checkKeyboardInput(event, key)
|
|
if(activeFrame.inputActive)then
|
|
if(activeFrame.activeInput.draw)then
|
|
if(event=="key")then
|
|
if(key==259)then
|
|
activeFrame.activeInput:setText(string.sub(activeFrame.activeInput.text,1,string.len(activeFrame.activeInput.text)-1))
|
|
end
|
|
if(key==257)then
|
|
if(activeFrame.inputActive)then
|
|
activeFrame.inputActive = false
|
|
activeFrame.fWindow.setCursorBlink(false)
|
|
end
|
|
end
|
|
end
|
|
if(event=="char")then
|
|
activeFrame.activeInput:setText(activeFrame.activeInput.text..key)
|
|
end
|
|
activeFrame.cursorX = activeFrame.activeInput.x+(string.len(activeFrame.activeInput.text) < activeFrame.activeInput.w and string.len(activeFrame.activeInput.text) or activeFrame.activeInput.w-1)
|
|
activeFrame.cursorY = activeFrame.activeInput.y
|
|
if(activeFrame.activeInput.changeFunc~=nil)then
|
|
activeFrame.activeInput.changeFunc(activeFrame.activeInput)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
function frame.startUpdate()
|
|
checkForChangedObjects()
|
|
while true do
|
|
local event, p1,p2,p3 = os.pullEvent()
|
|
--debug(event,p1,p2,p3)
|
|
if(event=="mouse_click")then
|
|
checkMouseClick(p1,p2,p3)
|
|
end
|
|
if(event=="timer")then
|
|
checkTimer(p1)
|
|
end
|
|
if(event=="char")or(event=="key")then
|
|
checkKeyboardInput(event,p1)
|
|
end
|
|
checkForChangedObjects()
|
|
end
|
|
end
|
|
|
|
|
|
function debug(...)
|
|
local args = {...}
|
|
activeFrame.debugLabel:setPosition(1,activeFrame.h)
|
|
local str = "[Debug] "
|
|
for k,v in pairs(args)do
|
|
str = str..tostring(v)..(#args~=k and ", " or "")
|
|
end
|
|
activeFrame.debugLabel:setText(str)
|
|
activeFrame.debugLabel:show()
|
|
end
|
|
|
|
frame.debug = debug
|
|
|
|
function frame.get(name)
|
|
return frames[name];
|
|
end
|
|
|
|
function frame.getActiveFrame()
|
|
return activeFrame
|
|
end
|
|
|
|
return frame; |