fixed mose click bouncing issue for overlay buttons

output/luaScripts/emugator/emugators_demo.lua

@@ -5,6 +5,7 @@
 	local ejectInsertButton = {x1 = 5, y1 = 220, x2 = 64, y2 = 230}
 	local switchButton = {x1 = 180, y1 = 220, x2 = 210, y2 = 230}
 	local isDrag = false
+	local wasClicked = false
 	--local gd = require("gd")
 
 while(true) do
@@ -14,21 +15,22 @@ while(true) do
 	local inpt = input.read()
 
 	if(emu.emulating() == false) then
+		wasClicked = false
 		if (inpt.leftclick == nil) then
 			if ((inpt.xmouse > console.x1) and (inpt.xmouse < console.x2) and (inpt.ymouse > console.y1) and (inpt.ymouse < console.y2) and isDrag) then
-				emu.loadrom("superMario.nes")
+				emu.loadrom("LegendOfZelda2_JP.fds")
 			end
 			isDrag = false
 		end
 
 		if isDrag then
 			gui.rect(inpt.xmouse, inpt.ymouse, inpt.xmouse+50, inpt.ymouse+50, "red", "white")
-			gui.text(inpt.xmouse + 12, inpt.ymouse+12, "Super\nMario\nBros.")
+			gui.text(inpt.xmouse + 12, inpt.ymouse+12, "Legend\nOf\nZelda")
 		elseif ((inpt.xmouse > cart.x1) and (inpt.xmouse < cart.x2) and (inpt.ymouse > cart.y1) and (inpt.ymouse < cart.y2) and inpt.leftclick) then
 			isDrag = true
 		else
 			gui.rect(cart.x1, cart.y1, cart.x2, cart.y2, "gray", "white")
-			gui.text(cart.x1 + 12, cart.y1 + 12, "Super\nMario\nBros.")
+			gui.text(cart.x1 + 12, cart.y1 + 12, "Legend\nof\nZelda\n2")
 		end
 
 		gui.rect(console.x1, console.y1, console.x2, console.y2, "blue", "white")
@@ -46,15 +48,25 @@ while(true) do
 		gui.text(ejectInsertButton.x1+2, ejectInsertButton.y1+2, "Eject/Insert")
 
 		if ((inpt.xmouse > unloadButton.x1) and (inpt.xmouse < unloadButton.x2) and (inpt.ymouse > unloadButton.y1) and (inpt.ymouse < unloadButton.y2) and inpt.leftclick) then
-			emu.closeRom()
+			if (wasClicked == false) then
+				emu.closeRom()
+			end
+			wasClicked = true
 			emugator.yieldwithflag()
 		elseif ((inpt.xmouse > switchButton.x1) and (inpt.xmouse < switchButton.x2) and (inpt.ymouse > switchButton.y1) and (inpt.ymouse < switchButton.y2) and inpt.leftclick) then
+			if (wasClicked == false) then
 			emu.switchDisk()
+			end
+			wasClicked = true
 			emu.frameadvance()
 		elseif ((inpt.xmouse > ejectInsertButton.x1) and (inpt.xmouse < ejectInsertButton.x2) and (inpt.ymouse > ejectInsertButton.y1) and (inpt.ymouse < ejectInsertButton.y2) and inpt.leftclick) then
+			if (wasClicked == false) then
 			emu.insertOrEjectDisk()
+			end
+			wasClicked = true
 			emu.frameadvance()
 		else
+			wasClicked = false
 			emu.frameadvance()
 		end
 	end