From 8b83ed0f73105074239c9c083be343ad6a836ec0 Mon Sep 17 00:00:00 2001
From: rowanbeentje <rowan@beent.je>
Date: Mon, 2 Apr 2012 23:14:33 +0000
Subject:  - Improve mouse tracking logic in PSMTabBar, fixing dragging issues
 (Issue #1003)

---
 Frameworks/PSMTabBar/PSMTabBarControl.m | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Frameworks/PSMTabBar/PSMTabBarControl.m b/Frameworks/PSMTabBar/PSMTabBarControl.m
index 416b10d8..2a92a2b1 100644
--- a/Frameworks/PSMTabBar/PSMTabBarControl.m
+++ b/Frameworks/PSMTabBar/PSMTabBarControl.m
@@ -1354,7 +1354,7 @@
 
 - (void)mouseDragged:(NSEvent *)theEvent
 {
-    if ([self lastMouseDownEvent] == nil) {
+    if (![self lastMouseDownEvent]) {
         return;
     }
     
@@ -1412,6 +1412,10 @@
 
 - (void)mouseUp:(NSEvent *)theEvent
 {
+	if (![self lastMouseDownEvent]) {
+		return;
+	}
+
 	if (_resizing) {
 		_resizing = NO;
 		[[NSCursor arrowCursor] set];
@@ -1460,6 +1464,9 @@
 		
 		_closeClicked = NO;
 	}
+
+	// Clear the last mouse down event to prevent drag issues
+	[self setLastMouseDownEvent:nil];
 }
 
 - (NSMenu *)menuForEvent:(NSEvent *)event
-- 
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