(svn r27167) -Fix: [SDL, Windows] Right-mouse-button scrolling scrolled/jumped way to far, when OpenTTD lagged during mouse event processing.

1 files changed, 3 insertions, 15 deletions

diff --git a/src/video/allegro_v.cpp b/src/video/allegro_v.cpp
index c75bcfb2e..01628f99c 100644
--- a/src/video/allegro_v.cpp
+++ b/src/video/allegro_v.cpp
@@ -388,22 +388,10 @@ static void PollEvent()
 	}
 
 	/* Mouse movement */
-	int dx = mouse_x - _cursor.pos.x;
-	int dy = mouse_y - _cursor.pos.y;
-	if (dx != 0 || dy != 0) {
-		if (_cursor.fix_at) {
-			_cursor.delta.x = dx;
-			_cursor.delta.y = dy;
-			position_mouse(_cursor.pos.x, _cursor.pos.y);
-		} else {
-			_cursor.delta.x = dx;
-			_cursor.delta.y = dy;
-			_cursor.pos.x = mouse_x;
-			_cursor.pos.y = mouse_y;
-			_cursor.dirty = true;
-		}
-		mouse_action = true;
+	if (_cursor.UpdateCursorPosition(mouse_x, mouse_y, false)) {
+		position_mouse(_cursor.pos.x, _cursor.pos.y);
 	}
+	if (_cursor.delta.x != 0 || _cursor.delta.y) mouse_action = true;
 
 	static int prev_mouse_z = 0;
 	if (prev_mouse_z != mouse_z) {