新增聊天框控件,用于联网场景(未完成)

Zframework/widget.lua

@@ -4,6 +4,7 @@ local kb=love.keyboard
 local int,abs=math.floor,math.abs
 local max,min=math.max,math.min
 local sub,format=string.sub,string.format
+local ins=table.insert
 local setFont,mStr=setFont,mStr
 
 local WIDGET={}
@@ -797,6 +798,94 @@ function WIDGET.newTextBox(D)--name,x,y,w[,h][,font][,secret][,regex],hide
 	return _
 end
 
+local chatBox={
+	type="chatBox",
+	scrollPos=0,
+	new=false,
+	-- texts={},
+}
+function chatBox:reset()
+	if not self.texts then
+		self.texts={}
+	end
+end
+function chatBox:push(t)
+	ins(self.texts,t)
+	if self.scrollPos==#self.texts-1 then
+		self.scrollPos=self.scrollPos+1
+	else
+		SFX.play("spin_0",.8)
+		self.new=true
+	end
+end
+function chatBox:scroll(n)
+	if n<0 then
+		self.scrollPos=max(self.scrollPos+n,min(#self.texts,self.capacity))
+	else
+		self.scrollPos=min(self.scrollPos+n,#self.texts)
+		if self.scrollPos==#self.texts then
+			self.new=false
+		end
+	end
+end
+function chatBox:clear()
+	self.texts={}
+	SFX.play("fall")
+end
+function chatBox:draw()
+	local x,y,w,h=self.x,self.y,self.w,self.h
+	local texts=self.texts
+	local scroll=self.scrollPos
+	local cap=self.capacity
+
+	--Frame
+	gc.setLineWidth(4)
+	gc.setColor(0,0,0,.3)
+	gc.rectangle("fill",x,y,w,h)
+	gc.setColor(1,1,1)
+	gc.rectangle("line",x,y,w,h)
+
+	--Texts
+	setFont(30)
+	for i=max(scroll-cap+1,1),scroll do
+		gc.printf(texts[i],x+8,y+h-10-30*(scroll-i+1),w)
+	end
+
+	--Slider
+	if #texts>cap then
+		gc.setLineWidth(2)
+		gc.rectangle("line",x-25,y,20,h)
+		local len=h*cap/#texts
+		gc.rectangle("fill",x-22,y+(h-len-6)*(scroll-cap)/(#texts-cap)+3,14,len)
+	end
+
+	--Draw
+	if self.new and scroll~=#texts then
+		setFont(40)
+		gc.setColor(1,TIME()%.4<.2 and 1 or 0,0)
+		gc.print("v",8,480)
+	end
+end
+function chatBox:getInfo()
+	return format("x=%d,y=%d,w=%d,h=%d",self.x+self.w*.5,self.y+self.h*.5,self.w,self.h)
+end
+function WIDGET.newChatBox(D)--name,x,y,w[,h][,font],hide
+	local _={
+		name=	D.name,
+
+		x=		D.x,
+		y=		D.y,
+		w=		D.w,
+		h=		D.h,
+
+		capacity=int((D.h-10)/30),
+		hide=	D.hide,
+	}
+	for k,v in next,chatBox do _[k]=v end
+	setmetatable(_,widgetMetatable)
+	return _
+end
+
 WIDGET.active={}--Table contains all active widgets
 WIDGET.sel=false--Selected widget
 

parts/language/lang_en.lua

@@ -258,7 +258,6 @@ return{
 			down="↓",
 		},
 		net_chat={
-			clear="Clear",
 			send="Send",
 		},
 		setting_game={

parts/language/lang_fr.lua

@@ -236,7 +236,6 @@ return{
 			down="↓",
 		},
 		net_chat={
-			-- clear="Clear",
 			-- send="Send",
 		},
 		setting_game={

parts/language/lang_pt.lua

@@ -257,7 +257,6 @@ return{
 			down="↓",
 		},
 		net_chat={
-			clear="Limpar",
 			send="Mandar",
 		},
 		setting_game={

parts/language/lang_sp.lua

@@ -240,7 +240,6 @@ return{
 			down="↓",
 		},
 		net_chat={
-			-- clear="Clear",
 			-- send="Send",
 		},
 		setting_game={

parts/language/lang_zh.lua

@@ -261,7 +261,6 @@ return{
 			down="↓",
 		},
 		net_chat={
-			clear="清空",
 			send="发送",
 		},
 		setting_game={

parts/scenes/net_chat.lua

@@ -1,18 +1,20 @@
 local gc=love.graphics
 
-local ins,rem=table.insert,table.remove
-local max,min=math.max,math.min
-
-local texts={}
+local chatBox=WIDGET.newChatBox{name="texts",x=50,y=50,w=1200,h=430}
 local remain--People in chat room
-local scrollPos--Scroll up length
-local newMessage=false--If there is a new message
 local heartBeatTimer
 local escapeTimer=0
 
-local function focusAtTextbox()
+local function _init()
 	coroutine.yield()
 	WIDGET.sel=WIDGET.active.text
+	local texts=chatBox.texts
+	if #texts==0 then
+		chatBox:push{COLOR.dG,text.chatStart}
+	elseif #texts>1 and texts[#texts][1]~=COLOR.dG then
+		chatBox:push{COLOR.dG,text.chatHistory}
+	end
+	chatBox:scroll(1)
 end
 local function sendMessage()
 	local W=WIDGET.active.text
@@ -20,14 +22,6 @@ local function sendMessage()
 		W.value=""
 	end
 end
-local function pushText(t)
-	ins(texts,t)
-end
-local function clearHistory()
-	while #texts>1 do rem(texts)end
-	scrollPos=1
-	SFX.play("fall")
-end
 
 local scene={}
 
@@ -35,13 +29,7 @@ function scene.sceneInit()
 	heartBeatTimer=0
 	remain=false
 
-	if #texts==0 then
-		pushText{COLOR.dG,text.chatStart}
-	elseif #texts>1 and texts[#texts][1]~=COLOR.dG then
-		pushText{COLOR.dG,text.chatHistory}
-	end
-	scrollPos=#texts
-	TASK.new(focusAtTextbox)--Widgets are not initialized, so active after 1 frame
+	TASK.new(_init)--Widgets are not initialized, so active after 1 frame
 	TASK.new(TICK_wsRead)
 	BG.set("none")
 end
@@ -56,12 +44,9 @@ function scene.wheelMoved(_,y)
 end
 function scene.keyDown(k)
 	if k=="up"then
-		scrollPos=max(scrollPos-1,min(#texts,12))
+		chatBox:scroll(-1)
 	elseif k=="down"then
-		scrollPos=min(scrollPos+1,#texts)
-		if scrollPos==#texts then
-			newMessage=false
-		end
+		chatBox:scroll(1)
 	elseif k=="return"then
 		sendMessage()
 	elseif k=="escape"then
@@ -80,14 +65,14 @@ function scene.socketRead(mes)
 	local cmd=mes:sub(1,1)
 	local args=splitStr(mes:sub(2),":")
 	if cmd=="J"or cmd=="L"then
-		pushText{
+		chatBox:push{
 			COLOR.lR,args[1],
 			COLOR.dY,args[2].." ",
 			COLOR.Y,text[cmd=="J"and"chatJoin"or"chatLeave"]
 		}
 		remain=tonumber(args[3])
 	elseif cmd=="T"then
-		pushText{
+		chatBox:push{
 			COLOR.W,args[1],
 			COLOR.dY,args[2].." ",
 			COLOR.sky,args[3]
@@ -96,12 +81,6 @@ function scene.socketRead(mes)
 		LOG.print("Illegal message: "..mes,30,COLOR.green)
 		return
 	end
-	if scrollPos==#texts-1 then
-		scrollPos=scrollPos+1
-	else
-		SFX.play("spin_0",.8)
-		newMessage=true
-	end
 end
 
 function scene.update(dt)
@@ -116,31 +95,10 @@ function scene.draw()
 	gc.setColor(1,1,1)
 	gc.printf(text.chatRemain,800,10,400,"right")
 	gc.print(remain or"?",1205,10)
-
-	setFont(30)
-	for i=max(scrollPos-11,1),scrollPos do
-		gc.printf(texts[i],40,416-36*(scrollPos-i),1240)
-	end
-
-	--Slider
-	if #texts>12 then
-		gc.setLineWidth(2)
-		gc.rectangle("line",10,30,20,420)
-		local len=420*12/#texts
-		gc.rectangle("fill",13,33+(414-len)*(scrollPos-12)/(#texts-12),14,len)
-	end
-
-	--Draw
-	if newMessage and scrollPos~=#texts then
-		setFont(40)
-		gc.setColor(1,TIME()%.4<.2 and 1 or 0,0)
-		gc.print("v",8,480)
-	end
 end
 
 scene.widgetList={
-	WIDGET.newTextBox{name="text",	x=40,	y=500,w=980,h=180,font=40},
-	WIDGET.newButton{name="clear",	x=1140,	y=440,w=170,h=80,font=40,code=clearHistory,hide=function()return #texts<2 or newMessage end},
+	chatBox,
 	WIDGET.newButton{name="send",	x=1140,	y=540,w=170,h=80,font=40,code=sendMessage},
 	WIDGET.newButton{name="back",	x=1140,	y=640,w=170,h=80,font=40,code=backScene},
 }