From a0ed5d62fdcd46b34b055c1c42001529c038e15c Mon Sep 17 00:00:00 2001
From: Alexander Kojevnikov <alexander@kojevnikov.com>
Date: Wed, 7 Jul 2010 18:45:12 +1000
Subject: [PATCH] Re-analyse only if the window width has been changed

---
 src/spek-spectrogram.vala | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/spek-spectrogram.vala b/src/spek-spectrogram.vala
index 8d350dd..9afd0b5 100644
--- a/src/spek-spectrogram.vala
+++ b/src/spek-spectrogram.vala
@@ -94,10 +94,14 @@ namespace Spek {
 			queue_draw ();
 		}
 
+		private int prev_width = -1;
 		private override void size_allocate (Gdk.Rectangle allocation) {
 			base.size_allocate (allocation);
 
-			if (file_name != null) {
+			bool width_changed = prev_width != allocation.width;
+			prev_width = allocation.width;
+
+			if (file_name != null && width_changed) {
 				start ();
 			}
 		}