SDL: More fixes to jerky analog joystick pointer

For some engines such as Dreamweb that a previous fix did not apply
to, this fixes bug 6996: Android: Mouse pointer control with
analog joystick is unusable

10 files changed, 184 insertions, 141 deletions

diff --git a/backends/events/dinguxsdl/dinguxsdl-events.cpp b/backends/events/dinguxsdl/dinguxsdl-events.cpp
index 0492c569e1..f61023206b 100644
--- a/backends/events/dinguxsdl/dinguxsdl-events.cpp
+++ b/backends/events/dinguxsdl/dinguxsdl-events.cpp
@@ -72,54 +72,54 @@
 bool DINGUXSdlEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
 	if (ev.key.keysym.sym == PAD_UP) {
 		if (ev.type == SDL_KEYDOWN) {
-			_km.y_vel = -1;
+			_km.y_vel = -1 * _km.multiplier;
 			_km.y_down_count = 1;
 		} else {
-			_km.y_vel = 0;
+			_km.y_vel = 0 * _km.multiplier;
 			_km.y_down_count = 0;
 		}
 
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 		return true;
 	} else if (ev.key.keysym.sym == PAD_DOWN) {
 		if (ev.type == SDL_KEYDOWN) {
-			_km.y_vel = 1;
+			_km.y_vel = 1 * _km.multiplier;
 			_km.y_down_count = 1;
 		} else {
-			_km.y_vel = 0;
+			_km.y_vel = 0 * _km.multiplier;
 			_km.y_down_count = 0;
 		}
 
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 		return true;
 	} else if (ev.key.keysym.sym == PAD_LEFT) {
 		if (ev.type == SDL_KEYDOWN) {
-			_km.x_vel = -1;
+			_km.x_vel = -1 * _km.multiplier;
 			_km.x_down_count = 1;
 		} else {
-			_km.x_vel = 0;
+			_km.x_vel = 0 * _km.multiplier;
 			_km.x_down_count = 0;
 		}
 
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 		return true;
 	} else if (ev.key.keysym.sym == PAD_RIGHT) {
 		if (ev.type == SDL_KEYDOWN) {
-			_km.x_vel = 1;
+			_km.x_vel = 1 * _km.multiplier;
 			_km.x_down_count = 1;
 		} else {
-			_km.x_vel = 0;
+			_km.x_vel = 0 * _km.multiplier;
 			_km.x_down_count = 0;
 		}
 
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 		return true;
 	} else if (ev.key.keysym.sym == BUT_Y) { // left mouse button
@@ -129,7 +129,7 @@ bool DINGUXSdlEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
 			event.type = Common::EVENT_LBUTTONUP;
 		}
 
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 		return true;
 	} else if (ev.key.keysym.sym == BUT_B) { // right mouse button
@@ -139,7 +139,7 @@ bool DINGUXSdlEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
 			event.type = Common::EVENT_RBUTTONUP;
 		}
 
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 		return true;
 	} else if (ev.key.keysym.sym == BUT_X) { // '.' skip dialogue
diff --git a/backends/events/gph/gph-events.cpp b/backends/events/gph/gph-events.cpp
index 88fc97d3d1..06acfa489e 100644
--- a/backends/events/gph/gph-events.cpp
+++ b/backends/events/gph/gph-events.cpp
@@ -230,116 +230,116 @@ bool GPHEventSource::handleJoyButtonDown(SDL_Event &ev, Common::Event &event) {
 	switch (ev.jbutton.button) {
 	case BUTTON_UP:
 		if (_km.y_down_count != 2) {
-			_km.y_vel = -1;
+			_km.y_vel = -1 * _km.multiplier;
 			_km.y_down_count = 1;
 		} else {
-			_km.y_vel = -4;
+			_km.y_vel = -4 * _km.multiplier;
 		}
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BUTTON_DOWN:
 		if (_km.y_down_count != 2) {
-			_km.y_vel = 1;
+			_km.y_vel = 1 * _km.multiplier;
 			_km.y_down_count = 1;
 		} else {
-			_km.y_vel = 4;
+			_km.y_vel = 4 * _km.multiplier;
 		}
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BUTTON_LEFT:
 		if (_km.x_down_count != 2) {
-			_km.x_vel = -1;
+			_km.x_vel = -1 * _km.multiplier;
 			_km.x_down_count = 1;
 		} else {
-			_km.x_vel = -4;
+			_km.x_vel = -4 * _km.multiplier;
 		}
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BUTTON_RIGHT:
 		if (_km.x_down_count != 3) {
-			_km.x_vel = 1;
+			_km.x_vel = 1 * _km.multiplier;
 			_km.x_down_count = 1;
 		} else {
-			_km.x_vel = 4;
+			_km.x_vel = 4 * _km.multiplier;
 		}
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BUTTON_UPLEFT:
 		if (_km.x_down_count != 2) {
-			_km.x_vel = -1;
+			_km.x_vel = -1 * _km.multiplier;
 			_km.x_down_count = 1;
 		} else {
-				_km.x_vel = -4;
+				_km.x_vel = -4 * _km.multiplier;
 		}
 		if (_km.y_down_count != 2) {
-			_km.y_vel = -1;
+			_km.y_vel = -1 * _km.multiplier;
 			_km.y_down_count = 1;
 		} else {
-			_km.y_vel = -4;
+			_km.y_vel = -4 * _km.multiplier;
 		}
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BUTTON_UPRIGHT:
 		if (_km.x_down_count != 2) {
-			_km.x_vel = 1;
+			_km.x_vel = 1 * _km.multiplier;
 			_km.x_down_count = 1;
 		} else {
-			_km.x_vel = 4;
+			_km.x_vel = 4 * _km.multiplier;
 		}
 		if (_km.y_down_count != 2) {
-			_km.y_vel = -1;
+			_km.y_vel = -1 * _km.multiplier;
 			_km.y_down_count = 1;
 		} else {
-			_km.y_vel = -4;
+			_km.y_vel = -4 * _km.multiplier;
 		}
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BUTTON_DOWNLEFT:
 		if (_km.x_down_count != 2) {
-			_km.x_vel = -1;
+			_km.x_vel = -1 * _km.multiplier;
 			_km.x_down_count = 1;
 		} else {
-			_km.x_vel = -4;
+			_km.x_vel = -4 * _km.multiplier;
 		}
 		if (_km.y_down_count != 2) {
-			_km.y_vel = 1;
+			_km.y_vel = 1 * _km.multiplier;
 			_km.y_down_count = 1;
 		} else {
-			_km.y_vel = 4;
+			_km.y_vel = 4 * _km.multiplier;
 		}
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BUTTON_DOWNRIGHT:
 		if (_km.x_down_count != 2) {
-			_km.x_vel = 1;
+			_km.x_vel = 1 * _km.multiplier;
 			_km.x_down_count = 1;
 		} else {
-			_km.x_vel = 4;
+			_km.x_vel = 4 * _km.multiplier;
 		}
 		if (_km.y_down_count != 2) {
-			_km.y_vel = 1;
+			_km.y_vel = 1 * _km.multiplier;
 			_km.y_down_count = 1;
 		} else {
-			_km.y_vel = 4;
+			_km.y_vel = 4 * _km.multiplier;
 		}
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BUTTON_B:
 	case BUTTON_CLICK:
 		event.type = Common::EVENT_LBUTTONDOWN;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BUTTON_X:
 		event.type = Common::EVENT_RBUTTONDOWN;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BUTTON_L:
 		BUTTON_STATE_L = true;
@@ -454,16 +454,16 @@ bool GPHEventSource::handleJoyButtonUp(SDL_Event &ev, Common::Event &event) {
 		_km.x_vel = 0;
 		_km.x_down_count = 0;
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BUTTON_B:
 	case BUTTON_CLICK:
 		event.type = Common::EVENT_LBUTTONUP;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BUTTON_X:
 		event.type = Common::EVENT_RBUTTONUP;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BUTTON_L:
 		BUTTON_STATE_L = false;
diff --git a/backends/events/linuxmotosdl/linuxmotosdl-events.cpp b/backends/events/linuxmotosdl/linuxmotosdl-events.cpp
index b0d443ff9f..3f29cc93fe 100644
--- a/backends/events/linuxmotosdl/linuxmotosdl-events.cpp
+++ b/backends/events/linuxmotosdl/linuxmotosdl-events.cpp
@@ -130,53 +130,53 @@ bool LinuxmotoSdlEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
 // Joystick to Mouse
 	else if (ev.key.keysym.sym == SDLK_LEFT) {
 		if (ev.type == SDL_KEYDOWN) {
-			_km.x_vel = -1;
+			_km.x_vel = -1 * _km.multiplier;
 			_km.x_down_count = 1;
 		} else {
-			_km.x_vel = 0;
+			_km.x_vel = 0 * _km.multiplier;
 			_km.x_down_count = 0;
 		}
 
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		return true;
 	} else if (ev.key.keysym.sym == SDLK_RIGHT) {
 		if (ev.type == SDL_KEYDOWN) {
-			_km.x_vel = 1;
+			_km.x_vel = 1 * _km.multiplier;
 			_km.x_down_count = 1;
 		} else {
-			_km.x_vel = 0;
+			_km.x_vel = 0 * _km.multiplier;
 			_km.x_down_count = 0;
 		}
 
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 		return true;
 	} else if (ev.key.keysym.sym == SDLK_DOWN) {
 		if (ev.type == SDL_KEYDOWN) {
-			_km.y_vel = 1;
+			_km.y_vel = 1 * _km.multiplier;
 			_km.y_down_count = 1;
 		} else {
-			_km.y_vel = 0;
+			_km.y_vel = 0 * _km.multiplier;
 			_km.y_down_count = 0;
 		}
 
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 		return true;
 	} else if (ev.key.keysym.sym == SDLK_UP) {
 		if (ev.type == SDL_KEYDOWN) {
-			_km.y_vel = -1;
+			_km.y_vel = -1 * _km.multiplier;
 			_km.y_down_count = 1;
 		} else {
-			_km.y_vel = 0;
+			_km.y_vel = 0 * _km.multiplier;
 			_km.y_down_count = 0;
 		}
 
 		event.type = Common::EVENT_MOUSEMOVE;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 		return true;
 	} else if (ev.key.keysym.sym == SDLK_RETURN) {
@@ -187,7 +187,7 @@ bool LinuxmotoSdlEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
 			event.type = Common::EVENT_LBUTTONUP;
 		}
 
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 		return true;
 	} else if (ev.key.keysym.sym == SDLK_PLUS) {
@@ -197,7 +197,7 @@ bool LinuxmotoSdlEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
 		} else {
 			event.type = Common::EVENT_RBUTTONUP;
 		}
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 		return true;
 	} else if (ev.key.keysym.sym == SDLK_MINUS) {
@@ -208,7 +208,7 @@ bool LinuxmotoSdlEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
 			event.type = Common::EVENT_LBUTTONUP;
 		}
 
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 		return true;
 	} else {
diff --git a/backends/events/maemosdl/maemosdl-events.cpp b/backends/events/maemosdl/maemosdl-events.cpp
index 8b7514004a..a1f2f4123c 100644
--- a/backends/events/maemosdl/maemosdl-events.cpp
+++ b/backends/events/maemosdl/maemosdl-events.cpp
@@ -96,7 +96,7 @@ bool MaemoSdlEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
 				}
 			} else if (ev.key.keysym.sym == SDLK_F7) {
 				event.type = Common::EVENT_RBUTTONDOWN;
-				processMouseEvent(event, _km.x, _km.y);
+				processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 				 debug(9, "remapping to right click down");
 				return true;
 			} else if (ev.key.keysym.sym == SDLK_F8) {
@@ -134,7 +134,7 @@ bool MaemoSdlEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
 				}
 			} else if (ev.key.keysym.sym == SDLK_F7) {
 				event.type = Common::EVENT_RBUTTONUP;
-				processMouseEvent(event, _km.x, _km.y);
+				processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 					debug(9, "remapping to right click up");
 				return true;
 			} else if (ev.key.keysym.sym == SDLK_F8) {
diff --git a/backends/events/openpandora/op-events.cpp b/backends/events/openpandora/op-events.cpp
index b9d5fa8c7b..dbfcc4ed2c 100644
--- a/backends/events/openpandora/op-events.cpp
+++ b/backends/events/openpandora/op-events.cpp
@@ -126,18 +126,18 @@ bool OPEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
 		switch (ev.key.keysym.sym) {
 		case SDLK_LEFT:
 			event.type = (ev.type == SDL_KEYDOWN) ? Common::EVENT_LBUTTONDOWN : Common::EVENT_LBUTTONUP;
-			processMouseEvent(event, _km.x, _km.y);
+			processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 			return true;
 			break;
 		case SDLK_RIGHT:
 			event.type = (ev.type == SDL_KEYDOWN) ? Common::EVENT_RBUTTONDOWN : Common::EVENT_RBUTTONUP;
-			processMouseEvent(event, _km.x, _km.y);
+			processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 			return true;
 			break;
 #if defined(SDL_BUTTON_MIDDLE)
 		case SDLK_UP:
 			event.type = (ev.type == SDL_KEYDOWN) ? Common::EVENT_MBUTTONDOWN : Common::EVENT_MBUTTONUP;
-			processMouseEvent(event, _km.x, _km.y);
+			processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 			return true;
 			break;
 #endif
@@ -150,12 +150,12 @@ bool OPEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
 		switch (ev.key.keysym.sym) {
 		case SDLK_HOME:
 			event.type = Common::EVENT_LBUTTONDOWN;
-			processMouseEvent(event, _km.x, _km.y);
+			processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 			return true;
 			break;
 		case SDLK_END:
 			event.type = Common::EVENT_RBUTTONDOWN;
-			processMouseEvent(event, _km.x, _km.y);
+			processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 			return true;
 			break;
 		case SDLK_PAGEDOWN:
@@ -188,12 +188,12 @@ bool OPEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
 		switch (ev.key.keysym.sym) {
 		case SDLK_HOME:
 			event.type = Common::EVENT_LBUTTONUP;
-			processMouseEvent(event, _km.x, _km.y);
+			processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 			return true;
 			break;
 		case SDLK_END:
 			event.type = Common::EVENT_RBUTTONUP;
-			processMouseEvent(event, _km.x, _km.y);
+			processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 			return true;
 			break;
 		case SDLK_PAGEDOWN:
diff --git a/backends/events/ps3sdl/ps3sdl-events.cpp b/backends/events/ps3sdl/ps3sdl-events.cpp
index 1fc10559c2..bad0160b9d 100644
--- a/backends/events/ps3sdl/ps3sdl-events.cpp
+++ b/backends/events/ps3sdl/ps3sdl-events.cpp
@@ -60,11 +60,11 @@ bool PS3SdlEventSource::handleJoyButtonDown(SDL_Event &ev, Common::Event &event)
 	switch (ev.jbutton.button) {
 	case BTN_CROSS: // Left mouse button
 		event.type = Common::EVENT_LBUTTONDOWN;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BTN_CIRCLE: // Right mouse button
 		event.type = Common::EVENT_RBUTTONDOWN;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BTN_TRIANGLE: // Game menu
 		event.type = Common::EVENT_KEYDOWN;
@@ -98,11 +98,11 @@ bool PS3SdlEventSource::handleJoyButtonUp(SDL_Event &ev, Common::Event &event) {
 	switch (ev.jbutton.button) {
 	case BTN_CROSS: // Left mouse button
 		event.type = Common::EVENT_LBUTTONUP;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BTN_CIRCLE: // Right mouse button
 		event.type = Common::EVENT_RBUTTONUP;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		break;
 	case BTN_TRIANGLE: // Game menu
 		event.type = Common::EVENT_KEYUP;
diff --git a/backends/events/sdl/sdl-events.cpp b/backends/events/sdl/sdl-events.cpp
index 832fa36153..9f07cd6b8a 100644
--- a/backends/events/sdl/sdl-events.cpp
+++ b/backends/events/sdl/sdl-events.cpp
@@ -30,6 +30,10 @@
 #include "common/config-manager.h"
 #include "common/textconsole.h"
 
+#ifdef JOY_ANALOG
+#include "math.h"
+#endif
+
 // FIXME move joystick defines out and replace with confile file options
 // we should really allow users to map any key to a joystick button
 #define JOY_DEADZONE 3200
@@ -175,12 +179,12 @@ void SdlEventSource::processMouseEvent(Common::Event &event, int x, int y) {
 	}
 
 	// Update the "keyboard mouse" coords
-	_km.x = x;
-	_km.y = y;
+	_km.x = x * _km.multiplier;
+	_km.y = y * _km.multiplier;
 }
 
-void SdlEventSource::handleKbdMouse(Common::Event &event) {
-
+bool SdlEventSource::handleKbdMouse(Common::Event &event) {
+	// returns true if an event is generated
 	// Skip recording of these events
 	uint32 curTime = g_system->getMillis(true);
 
@@ -203,63 +207,70 @@ void SdlEventSource::handleKbdMouse(Common::Event &event) {
 			if (_km.x_down_count) {
 				if (curTime > _km.x_down_time + _km.delay_time * 12) {
 					if (_km.x_vel > 0)
-						_km.x_vel++;
+						_km.x_vel+=_km.multiplier;
 					else
-						_km.x_vel--;
+						_km.x_vel-=_km.multiplier;
 				} else if (curTime > _km.x_down_time + _km.delay_time * 8) {
 					if (_km.x_vel > 0)
-						_km.x_vel = 5;
+						_km.x_vel = 5 * _km.multiplier;
 					else
-						_km.x_vel = -5;
+						_km.x_vel = -5 * _km.multiplier;
 				}
 			}
 			if (_km.y_down_count) {
 				if (curTime > _km.y_down_time + _km.delay_time * 12) {
 					if (_km.y_vel > 0)
-						_km.y_vel++;
+						_km.y_vel += _km.multiplier;
 					else
-						_km.y_vel--;
+						_km.y_vel -= _km.multiplier;
 				} else if (curTime > _km.y_down_time + _km.delay_time * 8) {
 					if (_km.y_vel > 0)
-						_km.y_vel = 5;
+						_km.y_vel = 5 * _km.multiplier;
 					else
-						_km.y_vel = -5;
+						_km.y_vel = -5 * _km.multiplier;
 				}
 			}
-
-			_km.x += _km.x_vel;
-			_km.y += _km.y_vel;
-
+			// The modifier key makes the mouse movement slower
+			if (_km.modifier) {
+				_km.x += _km.x_vel / 5;
+				_km.y += _km.y_vel / 5;
+			} else {
+				_km.x += _km.x_vel;
+				_km.y += _km.y_vel;
+			}
+			
 			if (_km.x < 0) {
 				_km.x = 0;
-				_km.x_vel = -1;
+				_km.x_vel = -1 * _km.multiplier;
 				_km.x_down_count = 1;
-			} else if (_km.x > _km.x_max) {
-				_km.x = _km.x_max;
-				_km.x_vel = 1;
+			} else if (_km.x > _km.x_max * _km.multiplier) {
+				_km.x = _km.x_max * _km.multiplier;
+				_km.x_vel = 1 * _km.multiplier;
 				_km.x_down_count = 1;
 			}
 
 			if (_km.y < 0) {
 				_km.y = 0;
-				_km.y_vel = -1;
+				_km.y_vel = -1 * _km.multiplier;
 				_km.y_down_count = 1;
-			} else if (_km.y > _km.y_max) {
-				_km.y = _km.y_max;
-				_km.y_vel = 1;
+			} else if (_km.y > _km.y_max * _km.multiplier) {
+				_km.y = _km.y_max * _km.multiplier;
+				_km.y_vel = 1 * _km.multiplier;
 				_km.y_down_count = 1;
 			}
 
 			if (_graphicsManager) {
-				_graphicsManager->getWindow()->warpMouseInWindow((Uint16)_km.x, (Uint16)_km.y);
+				_graphicsManager->getWindow()->warpMouseInWindow((Uint16) (_km.x / _km.multiplier), (Uint16) (_km.y / _km.multiplier));
 			}
 
 			if (_km.x != oldKmX || _km.y != oldKmY) {
 				event.type = Common::EVENT_MOUSEMOVE;
-				processMouseEvent(event, _km.x, _km.y);
+				processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
+				return true;
 			}
 		}
 	}
+	return false;
 }
 
 void SdlEventSource::SDLModToOSystemKeyFlags(SDLMod mod, Common::Event &event) {
@@ -435,8 +446,9 @@ Common::KeyCode SdlEventSource::SDLToOSystemKeycode(const SDLKey key) {
 }
 
 bool SdlEventSource::pollEvent(Common::Event &event) {
-	handleKbdMouse(event);
-
+	if (handleKbdMouse(event)) {
+		return true;
+	}
 
 #if SDL_VERSION_ATLEAST(2, 0, 0)
 	// In case we still need to send a key up event for a key down from a
@@ -496,7 +508,7 @@ bool SdlEventSource::dispatchSDLEvent(SDL_Event &ev, Common::Event &event) {
 		// with a mouse wheel event. However, SDL2 does not supply
 		// these, thus we use whatever we got last time. It seems
 		// these are always stored in _km.x, _km.y.
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 		if (yDir < 0) {
 			event.type = Common::EVENT_WHEELDOWN;
 			return true;
@@ -723,10 +735,10 @@ bool SdlEventSource::handleMouseButtonUp(SDL_Event &ev, Common::Event &event) {
 bool SdlEventSource::handleJoyButtonDown(SDL_Event &ev, Common::Event &event) {
 	if (ev.jbutton.button == JOY_BUT_LMOUSE) {
 		event.type = Common::EVENT_LBUTTONDOWN;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 	} else if (ev.jbutton.button == JOY_BUT_RMOUSE) {
 		event.type = Common::EVENT_RBUTTONDOWN;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 	} else {
 		event.type = Common::EVENT_KEYDOWN;
 		switch (ev.jbutton.button) {
@@ -754,10 +766,10 @@ bool SdlEventSource::handleJoyButtonDown(SDL_Event &ev, Common::Event &event) {
 bool SdlEventSource::handleJoyButtonUp(SDL_Event &ev, Common::Event &event) {
 	if (ev.jbutton.button == JOY_BUT_LMOUSE) {
 		event.type = Common::EVENT_LBUTTONUP;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 	} else if (ev.jbutton.button == JOY_BUT_RMOUSE) {
 		event.type = Common::EVENT_RBUTTONUP;
-		processMouseEvent(event, _km.x, _km.y);
+		processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 	} else {
 		event.type = Common::EVENT_KEYUP;
 		switch (ev.jbutton.button) {
@@ -783,7 +795,12 @@ bool SdlEventSource::handleJoyButtonUp(SDL_Event &ev, Common::Event &event) {
 }
 
 bool SdlEventSource::handleJoyAxisMotion(SDL_Event &ev, Common::Event &event) {
+
 	int axis = ev.jaxis.value;
+#ifdef JOY_ANALOG
+	// conversion factor between keyboard mouse and joy axis value
+	int vel_to_axis = (3000 / _km.multiplier);
+#else
 	if (axis > JOY_DEADZONE) {
 		axis -= JOY_DEADZONE;
 		event.type = Common::EVENT_MOUSEMOVE;
@@ -792,14 +809,15 @@ bool SdlEventSource::handleJoyAxisMotion(SDL_Event &ev, Common::Event &event) {
 		event.type = Common::EVENT_MOUSEMOVE;
 	} else
 		axis = 0;
+#endif
 
 	if (ev.jaxis.axis == JOY_XAXIS) {
 #ifdef JOY_ANALOG
-		_km.x_vel = axis / 2000;
+		_km.x_vel = axis / vel_to_axis;
 		_km.x_down_count = 0;
 #else
 		if (axis != 0) {
-			_km.x_vel = (axis > 0) ? 1:-1;
+			_km.x_vel = (axis > 0) ? 1 * _km.multiplier:-1 * _km.multiplier;
 			_km.x_down_count = 1;
 		} else {
 			_km.x_vel = 0;
@@ -811,11 +829,11 @@ bool SdlEventSource::handleJoyAxisMotion(SDL_Event &ev, Common::Event &event) {
 		axis = -axis;
 #endif
 #ifdef JOY_ANALOG
-		_km.y_vel = -axis / 2000;
+		_km.y_vel = -axis / vel_to_axis;
 		_km.y_down_count = 0;
 #else
 		if (axis != 0) {
-			_km.y_vel = (-axis > 0) ? 1: -1;
+			_km.y_vel = (-axis > 0) ? 1 * _km.multiplier: -1 * _km.multiplier;
 			_km.y_down_count = 1;
 		} else {
 			_km.y_vel = 0;
@@ -823,8 +841,28 @@ bool SdlEventSource::handleJoyAxisMotion(SDL_Event &ev, Common::Event &event) {
 		}
 #endif
 	}
+#ifdef JOY_ANALOG
+	// radial and scaled analog joystick deadzone
+	float analogX = (float) (_km.x_vel * vel_to_axis);
+	float analogY = (float) (_km.y_vel * vel_to_axis);
+	float deadZone = (float) JOY_DEADZONE;
+	float scalingFactor = 1.0f;
+	float magnitude = 0.0f;
+
+	magnitude = sqrt(analogX * analogX + analogY * analogY);
+
+	if (magnitude >= deadZone) {
+		scalingFactor = 1.0f / magnitude * (magnitude - deadZone) / (32769.0f - deadZone);
+		_km.x_vel = (int16) (analogX * scalingFactor * 32768.0f / vel_to_axis);
+		_km.y_vel = (int16) (analogY * scalingFactor * 32768.0f / vel_to_axis);
+		event.type = Common::EVENT_MOUSEMOVE;
+	} else {
+		_km.y_vel = 0;
+		_km.x_vel = 0;
+	}
+#endif
 
-	processMouseEvent(event, _km.x, _km.y);
+	processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 	return true;
 }
@@ -900,8 +938,10 @@ bool SdlEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
 void SdlEventSource::resetKeyboardEmulation(int16 x_max, int16 y_max) {
 	_km.x_max = x_max;
 	_km.y_max = y_max;
-	_km.delay_time = 25;
+	_km.delay_time = 12;
 	_km.last_time = 0;
+	_km.multiplier = 16;
+	_km.modifier = false;
 }
 
 bool SdlEventSource::handleResizeEvent(Common::Event &event, int w, int h) {
diff --git a/backends/events/sdl/sdl-events.h b/backends/events/sdl/sdl-events.h
index 032ad723eb..ecbf62c464 100644
--- a/backends/events/sdl/sdl-events.h
+++ b/backends/events/sdl/sdl-events.h
@@ -58,8 +58,9 @@ protected:
 	//@{
 
 	struct KbdMouse {
-		int16 x, y, x_vel, y_vel, x_max, y_max, x_down_count, y_down_count;
+		int16 x, y, x_vel, y_vel, x_max, y_max, x_down_count, y_down_count, multiplier;
 		uint32 last_time, delay_time, x_down_time, y_down_time;
+		bool modifier;
 	};
 	KbdMouse _km;
 
@@ -106,7 +107,7 @@ protected:
 	virtual bool handleJoyButtonDown(SDL_Event &ev, Common::Event &event);
 	virtual bool handleJoyButtonUp(SDL_Event &ev, Common::Event &event);
 	virtual bool handleJoyAxisMotion(SDL_Event &ev, Common::Event &event);
-	virtual void handleKbdMouse(Common::Event &event);
+	virtual bool handleKbdMouse(Common::Event &event);
 
 	//@}
 
diff --git a/backends/events/symbiansdl/symbiansdl-events.cpp b/backends/events/symbiansdl/symbiansdl-events.cpp
index b0d2c25302..6f736bd45d 100644
--- a/backends/events/symbiansdl/symbiansdl-events.cpp
+++ b/backends/events/symbiansdl/symbiansdl-events.cpp
@@ -56,76 +56,76 @@ bool SymbianSdlEventSource::remapKey(SDL_Event &ev, Common::Event &event) {
 			switch (loop) {
 			case GUI::ACTION_UP:
 				if (ev.type == SDL_KEYDOWN) {
-					_km.y_vel = -1;
+					_km.y_vel = -1 * _km.multiplier;
 					_km.y_down_count = 1;
 				} else {
-					_km.y_vel = 0;
+					_km.y_vel = 0 * _km.multiplier;
 					_km.y_down_count = 0;
 				}
 				event.type = Common::EVENT_MOUSEMOVE;
-				processMouseEvent(event, _km.x, _km.y);
+				processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 				return true;
 
 			case GUI::ACTION_DOWN:
 				if (ev.type == SDL_KEYDOWN) {
-					_km.y_vel = 1;
+					_km.y_vel = 1 * _km.multiplier;
 					_km.y_down_count = 1;
 				} else {
-					_km.y_vel = 0;
+					_km.y_vel = 0 * _km.multiplier;
 					_km.y_down_count = 0;
 				}
 				event.type = Common::EVENT_MOUSEMOVE;
-				processMouseEvent(event, _km.x, _km.y);
+				processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 				return true;
 
 			case GUI::ACTION_LEFT:
 				if (ev.type == SDL_KEYDOWN) {
-					_km.x_vel = -1;
+					_km.x_vel = -1 * _km.multiplier;
 					_km.x_down_count = 1;
 				} else {
-					_km.x_vel = 0;
+					_km.x_vel = 0 * _km.multiplier;
 					_km.x_down_count = 0;
 				}
 				event.type = Common::EVENT_MOUSEMOVE;
-				processMouseEvent(event, _km.x, _km.y);
+				processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 				return true;
 
 			case GUI::ACTION_RIGHT:
 				if (ev.type == SDL_KEYDOWN) {
-					_km.x_vel = 1;
+					_km.x_vel = 1 * _km.multiplier;
 					_km.x_down_count = 1;
 				} else {
-					_km.x_vel = 0;
+					_km.x_vel = 0 * _km.multiplier;
 					_km.x_down_count = 0;
 				}
 				event.type = Common::EVENT_MOUSEMOVE;
-				processMouseEvent(event, _km.x, _km.y);
+				processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 				return true;
 
 			case GUI::ACTION_LEFTCLICK:
 				event.type = (ev.type == SDL_KEYDOWN ? Common::EVENT_LBUTTONDOWN : Common::EVENT_LBUTTONUP);
-				processMouseEvent(event, _km.x, _km.y);
+				processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 				return true;
 
 			case GUI::ACTION_RIGHTCLICK:
 				event.type = (ev.type == SDL_KEYDOWN ? Common::EVENT_RBUTTONDOWN : Common::EVENT_RBUTTONUP);
-				processMouseEvent(event, _km.x, _km.y);
+				processMouseEvent(event, _km.x / _km.multiplier, _km.y / _km.multiplier);
 
 				return true;
 
 			case GUI::ACTION_ZONE:
 				if (ev.type == SDL_KEYDOWN) {
 					for (int i = 0; i < TOTAL_ZONES; i++)
-						if (_km.x >= _zones[i].x && _km.y >= _zones[i].y &&
-							_km.x <= _zones[i].x + _zones[i].width && _km.y <= _zones[i].y + _zones[i].height
+						if ( (_km.x / _km.multiplier) >= _zones[i].x && (_km.y / _km.multiplier) >= _zones[i].y &&
+							(_km.x / _km.multiplier) <= _zones[i].x + _zones[i].width && (_km.y / _km.multiplier <= _zones[i].y + _zones[i].height
 							) {
-							_mouseXZone[i] = _km.x;
-							_mouseYZone[i] = _km.y;
+							_mouseXZone[i] = _km.x / _km.multiplier;
+							_mouseYZone[i] = _km.y / _km.multiplier;
 							break;
 						}
 						_currentZone++;
diff --git a/backends/events/wincesdl/wincesdl-events.cpp b/backends/events/wincesdl/wincesdl-events.cpp
index 2fcd79490c..f37ee71702 100644
--- a/backends/events/wincesdl/wincesdl-events.cpp
+++ b/backends/events/wincesdl/wincesdl-events.cpp
@@ -48,8 +48,8 @@ void WINCESdlEventSource::processMouseEvent(Common::Event &event, int x, int y)
 	event.mouse.y = y;
 
 	// Update the "keyboard mouse" coords
-	_km.x = event.mouse.x;
-	_km.y = event.mouse.y;
+	_km.x = event.mouse.x * _km.multiplier;
+	_km.y = event.mouse.y * _km.multiplier;
 
 	// Adjust for the screen scaling
 	if (_graphicsMan->_zoomDown)
@@ -69,7 +69,9 @@ bool WINCESdlEventSource::pollEvent(Common::Event &event) {
 
 	memset(&event, 0, sizeof(Common::Event));
 
-	handleKbdMouse(event);
+	if (handleKbdMouse(event) {
+		return true;
+	}
 
 	// If the screen changed, send an Common::EVENT_SCREEN_CHANGED
 	int screenID = _graphicsMan->getScreenChangeID();