微调键位设置ui和交互逻辑，添加说明文本

parts/language/lang_en.lua

@@ -122,6 +122,8 @@ return{
     chatStart="------Beginning of log------",
     chatHistory="------New messages below------",
 
+    keySettingInstruction="Press to bind key\nescape: cancel\nbackspace: delete",
+
     errorMsg="Techmino ran into a problem and needs to restart.\nYou can send the error log to the developers.",
 
     modInstruction="Choose your modifiers!\nMods allow you to change the game,\nbut they may also crash the game.\nScores will not be saved when using mods.",

parts/language/lang_es.lua

@@ -111,6 +111,8 @@ return{
     chatStart="------Comienzo del historial------",
     chatHistory="------Nuevos mensajes------",
 
+    -- keySettingInstruction="Press to bind key\nescape: cancel\nbackspace: delete",
+
     errorMsg="Ha ocurrido un error y Techmino necesita reiniciarse.\nSe creó un registro de error, puedes enviarlo al autor.",
 
     -- modInstruction="",

parts/language/lang_fr.lua

@@ -112,6 +112,8 @@ return{
     chatStart="--------Début des logs--------",
     chatHistory="-Nouveaux messages en dessous-",
 
+    -- keySettingInstruction="Press to bind key\nescape: cancel\nbackspace: delete",
+
     errorMsg="Une erreur est survenue et Techmino doit redémarrer.\nDes informations concernant l'erreur ont été créées, et vous pouvez les envoyer au créateur.",
 
     modInstruction="",

parts/language/lang_pt.lua

@@ -110,6 +110,8 @@ return{
     chatStart="------Começo do log------",
     chatHistory="------Novas mensagens abaixo------",
 
+    -- keySettingInstruction="Press to bind key\nescape: cancel\nbackspace: delete",
+
     errorMsg="Um erro ocorreu e Techmino precisa reiniciar.\nInformação do erro foi criada, e você pode mandar ao autor.",
 
     modInstruction="Selecione mods (modificadores) para usar!\nMods irão modificar o jogo em formas diferentes\n(e possivelmente quebrar o jogo de formas estranhas).\nAlguns mods irão fazer seu jogo unranked.",

parts/language/lang_zh.lua

@@ -122,6 +122,8 @@ return{
     chatStart="------消息的开头------",
     chatHistory="------以上是历史消息------",
 
+    keySettingInstruction="点击添加键位绑定\nesc取消选中\n退格键清空选中",
+
     errorMsg="Techmino遭受了雷击,需要重新启动.\n我们已收集了一些错误信息,你可以向作者进行反馈.",
 
     modInstruction="选择你要使用的Mod!\n不同Mod会用不同的方式改变初始游戏规则(可能导致不能正常游玩)\n来开发新玩法或者挑战自我吧!\n提醒:开启一些Mod会让成绩无效,你也可以用键盘开关Mod,按住shift反向",

parts/language/lang_zh3.lua

@@ -123,6 +123,8 @@ return{
     chatStart="------日志开始------",
     chatHistory="------下面是新消息------",
 
+    keySettingInstruction="按绑定键\n退出:取消\n退格:删除",
+
     errorMsg="技术米诺遇到问题,需要重新启动。\n您可以将错误日志发送给开发人员。",
 
     modInstruction="选择你的修改器\n多器官功能障碍允许您更改游戏。\n它们也可能以奇怪的方式破坏游戏。\n请注意,多器官功能障碍将导致您的游戏取消排名!",

parts/scenes/setting_key.lua

@@ -33,6 +33,12 @@ local forbbidenKeys={
 function scene.keyDown(key,isRep)
     if isRep then return end
     if key=="escape"then
+        if selected then
+            selected=false
+        else
+            SCN.back()
+        end
+    elseif key=="backspace"then
         if selected then
             for k,v in next,keyMap.keyboard do
                 if v==selected then
@@ -42,8 +48,6 @@ function scene.keyDown(key,isRep)
             _freshKeyList()
             selected=false
             SFX.play('finesseError',.5)
-        else
-            SCN.back()
         end
     elseif selected then
         if not forbbidenKeys[key]then
@@ -81,8 +85,9 @@ function scene.gamepadDown(key)
 end
 
 function scene.draw()
-    setFont(15)
+    setFont(20)
     gc.setColor(COLOR.Z)
+    gc.printf(text.keySettingInstruction,540,620,500,'right')
 
     for i=0,20 do
         for j=1,#keyList[i]do
@@ -91,18 +96,23 @@ function scene.draw()
             setFont(font)
             mStr(key,
                 (i>10 and 940 or 210)+100*j,
-                i>10 and 60*(i-10)-23-font*.7 or
-                i>0 and 60*i-23-font*.7 or
-                667-font*.7
+                (
+                    i>10 and 60*(i-10)-23 or
+                    i>0 and 60*i-23 or
+                    667
+                )-font*.7
             )
         end
     end
 
     if selected then
-        gc.setColor(COLOR[TIME()%.26<.13 and'R'or'Y'])
-        local x,y=selected>10 and 910 or 270, selected>10 and 60*(selected-10)-50 or selected>0 and 60*selected-50 or 630
-        setFont(40)gc.print("=",x,y)
-        setFont(10)gc.print("esc?",x,y+40)
+        gc.setLineWidth(3)
+        gc.setColor(COLOR[TIME()%.26<.13 and'F'or'Y'])
+        gc.rectangle('line',
+            selected>10 and 910 or 270,
+            selected>10 and 60*(selected-10)-50 or selected>0 and 60*selected-50 or 640,
+            360,60
+        )
     end
 end