[Focuse follows mouse] If the mouse has not moved between when the app...

[Focuse follows mouse] If the mouse has not moved between when the app resigned active and when the app becomes active again do not make the window under the cursor key.

sources/PTYTextView.m

@@ -306,7 +306,11 @@ static const int kDragThreshold = 3;
                                                  selector:@selector(imageDidLoad:)
                                                      name:iTermImageDidLoad
                                                    object:nil];
-        
+        [[NSNotificationCenter defaultCenter] addObserver:self
+                                                 selector:@selector(applicationDidResignActive:)
+                                                     name:NSApplicationDidResignActiveNotification
+                                                   object:nil];
+
         _semanticHistoryController = [[iTermSemanticHistoryController alloc] init];
         _semanticHistoryController.delegate = self;
         _semanticHistoryDragged = NO;
@@ -504,10 +508,12 @@ static const int kDragThreshold = 3;
 }
 - (void)refuseFirstResponderAtCurrentMouseLocation {
+    DLog(@"set refuse location");
     _mouseLocationToRefuseFirstResponderAt = [NSEvent mouseLocation];
 }
 - (void)resetMouseLocationToRefuseFirstResponderAt {
+    DLog(@"reset refuse location from\n%@", [NSThread callStackSymbols]);
     _mouseLocationToRefuseFirstResponderAt = NSMakePoint(DBL_MAX, DBL_MAX);
 }
@@ -1853,7 +1859,11 @@ static const int kDragThreshold = 3;
         _keyFocusStolenCount = 0;
         [self setNeedsDisplay:YES];
     }
-    [self resetMouseLocationToRefuseFirstResponderAt];
+    if ([NSApp isActive]) {
+        [self resetMouseLocationToRefuseFirstResponderAt];
+    } else {
+        DLog(@"Ignore mouse exited because app is not active");
+    }
     [self updateUnderlinedURLs:event];
     [_delegate textViewShowHoverURL:nil];
 }
@@ -6150,6 +6160,10 @@ static double EuclideanDistance(NSPoint p1, NSPoint p2) {
     }
 }
+- (void)applicationDidResignActive:(NSNotification *)notification {
+    [self refuseFirstResponderAtCurrentMouseLocation];
+}
+
 - (BOOL)imageIsVisible:(iTermImageInfo *)image {
     if (![_drawingHelper.missingImages containsObject:image.uniqueIdentifier]) {
         return NO;

sources/iTermApplicationDelegate.m

@@ -201,6 +201,9 @@ static const NSTimeInterval kOneMonth = 30 * 24 * 60 * 60;
     NSMutableDictionary<id, ITMNotificationRequest *> *_terminateSessionSubscriptions;
     NSMutableDictionary<id, ITMNotificationRequest *> *_layoutChangeSubscriptions;
     BOOL _layoutChanged;
+
+    // Location of mouse when the app became inactive.
+    NSPoint _savedMouseLocation;
 }
 - (instancetype)init {
@@ -866,6 +869,7 @@ static const NSTimeInterval kOneMonth = 30 * 24 * 60 * 60;
         DLog(@"Application resigning active. Disabling secure input.");
         [self setSecureInput:NO];
     }
+    _savedMouseLocation = [NSEvent mouseLocation];
 }
 - (void)applicationWillHide:(NSNotification *)aNotification {
@@ -883,7 +887,9 @@ static const NSTimeInterval kOneMonth = 30 * 24 * 60 * 60;
     // If focus follows mouse is on, find the window under the cursor and make it key. If a PTYTextView
     // is under the cursor make it first responder.
-    if ([iTermPreferences boolForKey:kPreferenceKeyFocusFollowsMouse]) {
+    NSPoint mouseLocation = [NSEvent mouseLocation];
+    if (!NSEqualPoints(mouseLocation, _savedMouseLocation) && 
+        [iTermPreferences boolForKey:kPreferenceKeyFocusFollowsMouse]) {
         NSRect mouseRect = {
             .origin = [NSEvent mouseLocation],
             .size = { 0, 0 }