AGOS: Add initial support for mouse wheel.

5 files changed, 138 insertions, 29 deletions

diff --git a/engines/agos/agos.cpp b/engines/agos/agos.cpp
index 031aed8bed..65f53dcff4 100644
--- a/engines/agos/agos.cpp
+++ b/engines/agos/agos.cpp
@@ -510,6 +510,7 @@ AGOSEngine::AGOSEngine(OSystem *system, const AGOSGameDescription *gd)
 	_saveLoadType = 0;
 	_saveLoadSlot = 0;
 	memset(_saveLoadName, 0, sizeof(_saveLoadName));
+	memset(_saveBuf, 0, sizeof(_saveBuf));
 
 	_saveGameNameLen = 0;
 	_saveLoadRowCurPos = 0;
diff --git a/engines/agos/agos.h b/engines/agos/agos.h
index 34ab328999..c5b41649ba 100644
--- a/engines/agos/agos.h
+++ b/engines/agos/agos.h
@@ -584,6 +584,7 @@ protected:
 
 	byte _saveLoadType, _saveLoadSlot;
 	char _saveLoadName[108];
+	char _saveBuf[200];
 
 	Graphics::Surface *_backGroundBuf;
 	Graphics::Surface *_backBuf;
@@ -834,6 +835,9 @@ protected:
 	void displayBoxStars();
 	void invertBox(HitArea * ha, byte a, byte b, byte c, byte d);
 
+	virtual void handleMouseWheelUp();
+	virtual void handleMouseWheelDown();
+
 	virtual void initMouse();
 	virtual void handleMouseMoved();
 	virtual void drawMousePointer();
@@ -1706,10 +1710,13 @@ protected:
 	void setExitState(Item *i, uint16 n, uint16 d, uint16 s);
 	void setSRExit(Item *i, int n, int d, uint16 s);
 
-	virtual void listSaveGames(char *dst);
+	virtual void handleMouseWheelUp();
+	virtual void handleMouseWheelDown();
+
+	virtual void listSaveGames();
 	virtual bool confirmOverWrite(WindowBlock *window);
 	virtual void userGame(bool load);
-	virtual int userGameGetKey(bool *b, char *buf, uint maxChar);
+	virtual int userGameGetKey(bool *b, uint maxChar);
 
 	virtual Common::String genSaveName(int slot) const;
 };
@@ -1829,6 +1836,9 @@ protected:
 
 	virtual void clearName();
 
+	virtual void handleMouseWheelUp();
+	virtual void handleMouseWheelDown();
+
 	virtual void drawIcon(WindowBlock *window, uint icon, uint x, uint y);
 
 	virtual void initMouse();
@@ -1841,9 +1851,9 @@ protected:
 
 	virtual void playSpeech(uint16 speechId, uint16 vgaSpriteId);
 
-	virtual void listSaveGames(char *dst);
+	virtual void listSaveGames();
 	virtual void userGame(bool load);
-	virtual int userGameGetKey(bool *b, char *buf, uint maxChar);
+	virtual int userGameGetKey(bool *b, uint maxChar);
 
 	virtual void playMusic(uint16 music, uint16 track);
 
@@ -1975,6 +1985,9 @@ protected:
 	virtual void drawImage(VC10_state *state);
 	void scaleClip(int16 h, int16 w, int16 y, int16 x, int16 scrollY);
 
+	virtual void handleMouseWheelUp();
+	virtual void handleMouseWheelDown();
+
 	void drawMousePart(int image, byte x, byte y);
 	virtual void initMouse();
 	virtual void drawMousePointer();
diff --git a/engines/agos/event.cpp b/engines/agos/event.cpp
index 3d515cb117..459b121919 100644
--- a/engines/agos/event.cpp
+++ b/engines/agos/event.cpp
@@ -520,6 +520,12 @@ void AGOSEngine::delay(uint amount) {
 			case Common::EVENT_RTL:
 			case Common::EVENT_QUIT:
 				return;
+			case Common::EVENT_WHEELUP:
+				handleMouseWheelUp();
+				break;
+			case Common::EVENT_WHEELDOWN:
+				handleMouseWheelDown();
+				break;
 			default:
 				break;
 			}
diff --git a/engines/agos/input.cpp b/engines/agos/input.cpp
index 32a57be855..b8e17676ad 100644
--- a/engines/agos/input.cpp
+++ b/engines/agos/input.cpp
@@ -416,6 +416,93 @@ void AGOSEngine::hitarea_stuff_helper_2() {
 	_runScriptReturn1 = false;
 }
 
+#ifdef ENABLE_AGOS2
+void AGOSEngine_Feeble::handleMouseWheelUp() {
+	// TODO
+}
+
+void AGOSEngine_Feeble::handleMouseWheelDown() {
+	// TODO
+}
+#endif
+
+void AGOSEngine_Simon1::handleMouseWheelUp() {
+	HitArea *ha = findBox(206);
+	if (ha != NULL && (ha->flags & kBFBoxInUse)) {
+			if (_saveLoadRowCurPos != 1) {
+				if (_saveLoadRowCurPos < 7)
+					_saveLoadRowCurPos = 1;
+				else
+					_saveLoadRowCurPos -= 1;
+
+				_saveLoadEdit = false;
+				listSaveGames();
+			}
+	} else {	
+		AGOSEngine::handleMouseWheelUp();
+	}
+}
+
+void AGOSEngine_Simon1::handleMouseWheelDown() {
+	HitArea *ha = findBox(207);
+	if (ha != NULL && (ha->flags & kBFBoxInUse)) {
+			if (_saveDialogFlag) {
+				_saveLoadRowCurPos += 1;
+				if (_saveLoadRowCurPos >= _numSaveGameRows)
+					_saveLoadRowCurPos = _numSaveGameRows;
+			
+				_saveLoadEdit = false;
+				listSaveGames();
+			}
+	} else {	
+		AGOSEngine::handleMouseWheelDown();
+	}
+}
+
+void AGOSEngine_Elvira2::handleMouseWheelUp() {
+	HitArea *ha = findBox(224);
+	if (ha != NULL && (ha->flags & kBFBoxInUse)) {
+			_saveGameNameLen = 0;
+
+			if (_saveLoadRowCurPos < 3)
+				_saveLoadRowCurPos = 1;
+			else
+				_saveLoadRowCurPos -= 3;
+
+			listSaveGames();
+	} else {	
+		AGOSEngine::handleMouseWheelUp();
+	}
+}
+
+void AGOSEngine_Elvira2::handleMouseWheelDown() {
+	HitArea *ha =  findBox(224);
+	if (ha != NULL && (ha->flags & kBFBoxInUse)) {
+			_saveGameNameLen = 0;
+			_saveLoadRowCurPos += 3;
+			if (_saveLoadRowCurPos >= _numSaveGameRows)
+				_saveLoadRowCurPos = 1;
+
+			listSaveGames();
+	} else {	
+		AGOSEngine::handleMouseWheelDown();
+	}
+}
+
+void AGOSEngine::handleMouseWheelUp() {
+	HitArea *ha = findBox(0x7FFB);
+	if (ha != NULL && (ha->flags & kBFBoxInUse)) {
+		inventoryUp(ha->window);
+	}
+}
+
+void AGOSEngine::handleMouseWheelDown() {
+	HitArea *ha = findBox(0x7FFC);
+	if (ha != NULL && (ha->flags & kBFBoxInUse)) {
+		inventoryDown(ha->window);
+	}
+}
+
 void AGOSEngine::permitInput() {
 	if (_mortalFlag)
 		return;
diff --git a/engines/agos/saveload.cpp b/engines/agos/saveload.cpp
index 3d87bb66fe..2bb459d4b8 100644
--- a/engines/agos/saveload.cpp
+++ b/engines/agos/saveload.cpp
@@ -296,7 +296,7 @@ void AGOSEngine::userGame(bool load) {
 	const char *message1;
 	int i = 0, numSaveGames;
 	char *name;
-	char buf[10];
+	memset(_saveBuf, 0, sizeof(_saveBuf));
 
 	numSaveGames = countSaveGames();
 
@@ -325,8 +325,8 @@ restart:
 	for (; *message1; message1++)
 		windowPutChar(window, *message1);
 
-	memset(buf, 0, 10);
-	name = buf;
+	memset(_saveBuf, 0, 10);
+	name = _saveBuf;
 	_saveGameNameLen = 0;
 
 	while (!shouldQuit()) {
@@ -384,9 +384,10 @@ restart:
 	_gameStoppedClock = getTime() - saveTime + _gameStoppedClock;
 }
 
-void AGOSEngine_Elvira2::listSaveGames(char *dst) {
+void AGOSEngine_Elvira2::listSaveGames() {
 	Common::InSaveFile *in;
 	uint y, slot;
+	char *dst = _saveBuf;
 
 	const uint8 num = (getGameType() == GType_WW) ? 3 : 4;
 
@@ -469,7 +470,7 @@ void AGOSEngine_Elvira2::userGame(bool load) {
 	int i, numSaveGames;
 	char *name;
 	bool b;
-	char buf[200];
+	memset(_saveBuf, 0, sizeof(_saveBuf));
 
 	_saveOrLoad = load;
 
@@ -485,28 +486,28 @@ void AGOSEngine_Elvira2::userGame(bool load) {
 
 	const uint8 num = (getGameType() == GType_WW) ? 3 : 4;
 
-	listSaveGames(buf);
+	listSaveGames();
 
 	if (!load) {
 		WindowBlock *window = _windowArray[num];
 		int16 slot = -1;
 
-		name = buf + 192;
+		name = _saveBuf + 192;
 
 		while (!shouldQuit()) {
 			windowPutChar(window, 128);
 
 			_saveLoadEdit = true;
 
-			i = userGameGetKey(&b, buf, 128);
+			i = userGameGetKey(&b, 128);
 			if (b) {
 				if (i <= 223) {
 					if (!confirmOverWrite(window)) {
-						listSaveGames(buf);
+						listSaveGames();
 						continue;
 					}
 
-					if (!saveGame(_saveLoadRowCurPos + i, buf + i * 8))
+					if (!saveGame(_saveLoadRowCurPos + i, _saveBuf + i * 8))
 						fileError(_windowArray[num], true);
 				}
 
@@ -518,7 +519,7 @@ void AGOSEngine_Elvira2::userGame(bool load) {
 				slot = matchSaveGame(name, numSaveGames);
 				if (slot >= 0) {
 					if (!confirmOverWrite(window)) {
-						listSaveGames(buf);
+						listSaveGames();
 						continue;
 					}
 				}
@@ -540,11 +541,11 @@ void AGOSEngine_Elvira2::userGame(bool load) {
 			if (slot < 0)
 				slot = numSaveGames;
 
-			if (!saveGame(slot, buf + 192))
+			if (!saveGame(slot, _saveBuf + 192))
 				fileError(_windowArray[num], true);
 		}
 	} else {
-		i = userGameGetKey(&b, buf, 128);
+		i = userGameGetKey(&b, 128);
 		if (i != 225) {
 			if (!loadGame(genSaveName(_saveLoadRowCurPos + i)))
 				fileError(_windowArray[num], false);
@@ -560,7 +561,7 @@ get_out:;
 		restartAnimation();
 }
 
-int AGOSEngine_Elvira2::userGameGetKey(bool *b, char *buf, uint maxChar) {
+int AGOSEngine_Elvira2::userGameGetKey(bool *b, uint maxChar) {
 	HitArea *ha;
 	*b = true;
 
@@ -588,7 +589,7 @@ int AGOSEngine_Elvira2::userGameGetKey(bool *b, char *buf, uint maxChar) {
 			if (_saveLoadRowCurPos >= _numSaveGameRows)
 				_saveLoadRowCurPos = 1;
 
-			listSaveGames(buf);
+			listSaveGames();
 		} else if (ha->id < 224) {
 			return ha->id - 200;
 		}
@@ -597,9 +598,10 @@ int AGOSEngine_Elvira2::userGameGetKey(bool *b, char *buf, uint maxChar) {
 	return 225;
 }
 
-void AGOSEngine_Simon1::listSaveGames(char *dst) {
+void AGOSEngine_Simon1::listSaveGames() {
 	Common::InSaveFile *in;
 	uint16 i, slot, lastSlot;
+	char *dst = _saveBuf;
 
 	disableFileBoxes();
 
@@ -681,7 +683,7 @@ void AGOSEngine_Simon1::userGame(bool load) {
 	WindowBlock *window;
 	char *name;
 	bool b;
-	char buf[108];
+	memset(_saveBuf, 0, sizeof(_saveBuf));
 	int maxChar = (_language == Common::HE_ISR) ? 155: 128;
 
 	_saveOrLoad = load;
@@ -704,7 +706,7 @@ void AGOSEngine_Simon1::userGame(bool load) {
 	_saveLoadEdit = false;
 
 restart:;
-	i = userGameGetKey(&b, buf, maxChar);
+	i = userGameGetKey(&b, maxChar);
 
 	if (i == 205)
 		goto get_out;
@@ -730,7 +732,7 @@ restart:;
 		}
 		window->textLength = 3;
 
-		name = buf + i * 18;
+		name = _saveBuf + i * 18;
 
 		// now process entire savegame name to get correct x offset for cursor
 		_saveGameNameLen = 0;
@@ -763,7 +765,7 @@ restart:;
 
 			_saveLoadEdit = true;
 
-			i = userGameGetKey(&b, buf, maxChar);
+			i = userGameGetKey(&b, maxChar);
 
 			if (b) {
 				if (i == 205)
@@ -814,7 +816,7 @@ restart:;
 			}
 		}
 
-		if (!saveGame(_saveLoadRowCurPos + result, buf + result * 18))
+		if (!saveGame(_saveLoadRowCurPos + result, _saveBuf + result * 18))
 			fileError(_windowArray[5], true);
 	} else {
 		if (!loadGame(genSaveName(_saveLoadRowCurPos + i)))
@@ -827,12 +829,12 @@ get_out:;
 	_gameStoppedClock = getTime() - saveTime + _gameStoppedClock;
 }
 
-int AGOSEngine_Simon1::userGameGetKey(bool *b, char *buf, uint maxChar) {
+int AGOSEngine_Simon1::userGameGetKey(bool *b, uint maxChar) {
 	HitArea *ha;
 	*b = true;
 
 	if (!_saveLoadEdit) {
-		listSaveGames(buf);
+		listSaveGames();
 	}
 
 	_keyPressed.reset();
@@ -861,7 +863,7 @@ int AGOSEngine_Simon1::userGameGetKey(bool *b, char *buf, uint maxChar) {
 					_saveLoadRowCurPos -= 6;
 
 				_saveLoadEdit = false;
-				listSaveGames(buf);
+				listSaveGames();
 			}
 		} else if (ha->id == 207) {
 			if (_saveDialogFlag) {
@@ -870,7 +872,7 @@ int AGOSEngine_Simon1::userGameGetKey(bool *b, char *buf, uint maxChar) {
 					_saveLoadRowCurPos = _numSaveGameRows;
 
 				_saveLoadEdit = false;
-				listSaveGames(buf);
+				listSaveGames();
 			}
 		} else if (ha->id < 214) {
 			return ha->id - 208;