From 7f63351ca66cfdd7417106ee04cbfbc62662da02 Mon Sep 17 00:00:00 2001
From: NoiseByNorthwest <noisebynorthwest@gmail.com>
Date: Sat, 21 Jan 2012 22:23:42 +0100
Subject: [PATCH] Piano-roll: remove from selection feature (shift +
 left-click)

---
 src/gui/piano_roll.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/gui/piano_roll.cpp b/src/gui/piano_roll.cpp
index e81c6572a..030c9fe48 100644
--- a/src/gui/piano_roll.cpp
+++ b/src/gui/piano_roll.cpp
@@ -1765,7 +1765,15 @@ void pianoRoll::computeSelectedNotes(bool shift)
 				pos_ticks + len_ticks > sel_pos_start &&
 				pos_ticks < sel_pos_end )
 			{
-				( *it )->setSelected( true );
+				// remove from selection when holding shift
+				if( shift && ( *it )->selected() )
+				{
+					( *it )->setSelected(false);
+				}
+				else
+				{
+					( *it )->setSelected(true);
+				}
 			}
 		}
 	}