Added separate event handlers for mouse button clicks and mouse wheel movement.

1 files changed, 10 insertions, 13 deletions

diff --git a/src/ui/scrollpane.cc b/src/ui/scrollpane.cc
index 48391c5..57c957f 100644
--- a/src/ui/scrollpane.cc
+++ b/src/ui/scrollpane.cc
@@ -65,24 +65,21 @@ void ScrollPane::set_offset(const int offset)
 	scrollpane_offset = offset;
 }
 
-bool ScrollPane::on_keypress(const int key, const unsigned int modifier)
+bool ScrollPane::on_mousewheel(const math::Vector2f & direction)
 {
 	// number of lines to scroll
 	int alignmentmodifier =( (alignment() & AlignTop) == AlignTop) ? -1 : 1;
 	
-	switch (key) {
-		
-		case 512 + SDL_BUTTON_WHEELUP:
-			inc_scroll(alignmentmodifier * scrollpane_offset);
-			return true;
-			break;
-		
-		case 512 + SDL_BUTTON_WHEELDOWN:
-			dec_scroll(alignmentmodifier * scrollpane_offset);
-			return true;
-			break;
+	if (direction.y() > 0 )
+	{
+		inc_scroll(alignmentmodifier * scrollpane_offset);
+		return true;
+	} else if (direction.y() < 0 ) 
+	{
+		dec_scroll(alignmentmodifier * scrollpane_offset);
+		return true;
 	}
-
+	
 	return false;
 }