修复画图切换到custom可返回bug，二者之间切换样式更换

Zframework/init.lua

@@ -328,7 +328,7 @@ function keyDown.custom(key)
 	elseif key=="q"then
 		SCN.goto("sequence")
 	elseif key=="e"then
-		SCN.swapTo("draw")
+		SCN.swapTo("draw","swipe")
 	elseif #key==1 then
 		local T=tonumber(key)
 		if T and T>=1 and T<=5 then
@@ -468,7 +468,7 @@ function keyDown.draw(key)
 			preField[sy][sx]=pen
 		end
 	elseif key=="e"then
-		SCN.swapTo("custom")
+		SCN.swapTo("custom","swipe")
 	elseif key=="escape"then
 		SCN.back()
 	elseif key=="c"and kb.isDown("lctrl","rctrl")or key=="cC"then

Zframework/widgetList.lua

@@ -203,7 +203,7 @@ local Widgets={
 		newSwitch({name="demo",		x=755,		y=640,									font=30,disp=function()return sceneTemp.demo end,code=function()sceneTemp.demo=not sceneTemp.demo end}),
 		newButton({name="copy",		x=920,		y=640,	w=120,	h=120,	color="lRed",	font=35,code=pressKey("cC")}),
 		newButton({name="paste",	x=1060,		y=640,	w=120,	h=120,	color="lBlue",	font=35,code=pressKey("cV")}),
-		newButton({name="custom",	x=110,		y=80,	w=140,	h=80,	color="white",	font=35,code=function()SCN.goto("custom")end}),
+		newButton({name="custom",	x=110,		y=80,	w=140,	h=80,	color="white",	font=35,code=pressKey("e")}),
 		newButton({name="back",		x=1200,		y=640,	w=120,	h=120,	color="white",	font=35,code=BACK}),
 	},
 	play={