winport: add autohold for stylus

desmume/src/windows/hotkey.cpp

@@ -43,6 +43,9 @@ extern LRESULT OpenFile();	//adelikat: Made this an extern here instead of main.
 SCustomKeys CustomKeys;
 
 bool AutoHoldPressed=false;
+bool StylusAutoHoldPressed=false;
+POINT winLastTouch = { 128, 96 };
+bool userTouchesScreen = false;
 
 bool IsLastCustomKey (const SCustomKey *key)
 {
@@ -185,9 +188,20 @@ void HK_StateQuickLoadSlot(int)
 void HK_MicrophoneKeyDown(int) { NDS_setMic(1); }
 void HK_MicrophoneKeyUp(int) { NDS_setMic(0); }
 
+void HK_AutoHoldKeyDown(int) {AutoHoldPressed = true;}
+void HK_AutoHoldKeyUp(int) {AutoHoldPressed = false;}
+
+void HK_StylusAutoHoldKeyDown(int) {
+	StylusAutoHoldPressed = !StylusAutoHoldPressed;
+	if (StylusAutoHoldPressed)
+		NDS_setTouchPos(winLastTouch.x, winLastTouch.y);
+	else if (!userTouchesScreen)
+		NDS_releaseTouch();
+}
+
 void HK_AutoHoldClearKeyDown(int) {
-	
 	ClearAutoHold();
+	StylusAutoHoldPressed = false;
 }
 
 void HK_Reset(int) {ResetGame();}
@@ -257,9 +271,6 @@ void HK_MostRecentLuaScriptDown(int)
 	SendMessage(MainWindow->getHWnd(), WM_COMMAND, IDD_LUARECENT_RESERVE_START, 0);
 }
 
-void HK_AutoHoldKeyDown(int) {AutoHoldPressed = true;}
-void HK_AutoHoldKeyUp(int) {AutoHoldPressed = false;}
-
 void HK_TurboRightKeyDown(int) { Turbo.R = true; }
 void HK_TurboRightKeyUp(int) { Turbo.R = false; }
 
@@ -419,6 +430,12 @@ void InitCustomKeys (SCustomKeys *keys)
 	keys->AutoHold.page = HOTKEY_PAGE_MAIN;
 	keys->AutoHold.key = NULL;
 
+	keys->StylusAutoHold.handleKeyDown = HK_StylusAutoHoldKeyDown;
+	keys->StylusAutoHold.code = "StylusAutoHold";
+	keys->StylusAutoHold.name = L"Stylus Auto-Hold";
+	keys->StylusAutoHold.page = HOTKEY_PAGE_MOVIE; // TODO: set more appropriate category?
+	keys->StylusAutoHold.key = NULL;
+
 	keys->AutoHoldClear.handleKeyDown = HK_AutoHoldClearKeyDown;
 	keys->AutoHoldClear.code = "AutoHoldClear";
 	keys->AutoHoldClear.name = L"Auto-Hold Clear";

desmume/src/windows/hotkey.h

@@ -89,6 +89,7 @@ struct SCustomKeys
 	SCustomKey ToggleInput;
 	SCustomKey ToggleLag;
 	SCustomKey ResetLagCounter;
+	SCustomKey StylusAutoHold;
 	SCustomKey LastItem; // dummy, must be last
 
 	//--methods--

desmume/src/windows/main.cpp

@@ -258,6 +258,10 @@ float DefaultHeight;
 float widthTradeOff;
 float heightTradeOff;
 
+extern bool StylusAutoHoldPressed;
+extern POINT winLastTouch;
+extern bool userTouchesScreen;
+
 /*__declspec(thread)*/ bool inFrameBoundary = false;
 
 //static char IniName[MAX_PATH];
@@ -3459,17 +3463,24 @@ LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM
 				if(x<0) x = 0; else if(x>255) x = 255;
 				if(y<0) y = 0; else if(y>192) y = 192;
 				NDS_setTouchPos(x, y);
+				winLastTouch.x = x;
+				winLastTouch.y = y;
+				userTouchesScreen = true;
 				return 0;
 			}
 		}
-		NDS_releaseTouch();
+		if (!StylusAutoHoldPressed)
+			NDS_releaseTouch();
+		userTouchesScreen = false;
 		return 0;
 
 	case WM_LBUTTONUP:
 
 		ReleaseCapture();
-		NDS_releaseTouch();
 		HudClickRelease(&Hud);
+		if (!StylusAutoHoldPressed)
+			NDS_releaseTouch();
+		userTouchesScreen = false;
 		return 0;
 
 #if 0