Add ability to not send middle clicks to specific applications

MiddleClick/Controller.m

@@ -247,19 +247,21 @@ CGEventRef mouseCallback(CGEventTapProxy proxy, CGEventType type,
                          CGEventRef event, void* refcon)
 {
   if (needToClick) {
-    if (threeDown && type == kCGEventLeftMouseDown) {
-      wasThreeDown = YES;
-      CGEventSetType(event, kCGEventOtherMouseDown);
-      CGEventSetIntegerValueField(event, kCGMouseEventButtonNumber,
-                                  kCGMouseButtonCenter);
-      threeDown = NO;
-    }
-
-    if (wasThreeDown && type == kCGEventLeftMouseUp) {
-      wasThreeDown = NO;
-      CGEventSetType(event, kCGEventOtherMouseUp);
-      CGEventSetIntegerValueField(event, kCGMouseEventButtonNumber,
-                                  kCGMouseButtonCenter);
+    if (!isIgnoredAppBundle(CGEventGetLocation(event))) {
+      if (threeDown && type == kCGEventLeftMouseDown) {
+        wasThreeDown = YES;
+        CGEventSetType(event, kCGEventOtherMouseDown);
+        CGEventSetIntegerValueField(event, kCGMouseEventButtonNumber,
+                                    kCGMouseButtonCenter);
+        threeDown = NO;
+      }
+
+      if (wasThreeDown && type == kCGEventLeftMouseUp) {
+        wasThreeDown = NO;
+        CGEventSetType(event, kCGEventOtherMouseUp);
+        CGEventSetIntegerValueField(event, kCGMouseEventButtonNumber,
+                                    kCGMouseButtonCenter);
+      }
     }
   }
   return event;
@@ -291,10 +293,12 @@ int touchCallback(int device, Finger* data, int nFingers, double timestamp,
           CGPoint ourLoc = CGEventGetLocation(ourEvent);
           CFRelease(ourEvent);
 
-          CGMouseButton buttonType = kCGMouseButtonCenter;
-
-          postMouseEvent(kCGEventOtherMouseDown, buttonType, ourLoc);
-          postMouseEvent(kCGEventOtherMouseUp, buttonType, ourLoc);
+          if (!isIgnoredAppBundle(ourLoc)) {
+            CGMouseButton buttonType = kCGMouseButtonCenter;
+
+            postMouseEvent(kCGEventOtherMouseDown, buttonType, ourLoc);
+            postMouseEvent(kCGEventOtherMouseUp, buttonType, ourLoc);
+          }
         }
       }
     } else if (nFingers > 0 && touchStartTime == NULL) {
@@ -355,6 +359,39 @@ - (void)restartListeners
   [self startUnstableListeners];
 }
 
+/// Check if window at a given point belongs to an ignored app bundle
+static BOOL isIgnoredAppBundle(CGPoint point) {
+  NSArray* ignoredAppBundles = [[NSUserDefaults standardUserDefaults] arrayForKey:kIgnoredAppBundles];
+  // only check if there are ignored app bundles
+  if ([ignoredAppBundles count] == 0) {
+    return false;
+  }
+
+  point.y = [[NSScreen mainScreen] frame].size.height - point.y;
+
+  NSInteger windowNumber = [NSWindow windowNumberAtPoint:point belowWindowWithWindowNumber:0];
+
+  bool ignored = false;
+
+  CFArrayRef windows = CGWindowListCopyWindowInfo(kCGWindowListOptionOnScreenOnly, kCGNullWindowID);
+  for (NSDictionary* window in (__bridge NSArray*)windows) {
+    if ([window[(NSString*)kCGWindowNumber] integerValue] == windowNumber) {
+      int pid = (int)[window[(NSString*)kCGWindowOwnerPID] integerValue];
+      NSRunningApplication* app = [NSRunningApplication runningApplicationWithProcessIdentifier: pid];
+
+      NSString* appBundle = [app bundleIdentifier];
+      if ([ignoredAppBundles containsObject:appBundle]) {
+        ignored = true;
+      }
+
+      break;
+    }
+  }
+
+  CFRelease(windows);
+  return ignored;
+}
+
 /// Callback when a multitouch device is added.
 void multitouchDeviceAddedCallback(void* _controller,
                                    io_iterator_t iterator)

MiddleClick/PreferenceKeys.h

@@ -10,3 +10,7 @@
 // The maximum interval in milliseconds between touch and release for a tap to be considered valid.
 #define kMaxTimeDeltaMs @"maxTimeDelta"
 #define kMaxTimeDeltaMsDefault 300
+
+// List of applications that should be ignored
+#define kIgnoredAppBundles @"ignoredAppBundles"
+#define kIgnoredAppBundlesDefault [NSArray array]

MiddleClick/main.m

@@ -8,11 +8,13 @@ int main(int argc, char* argv[])
     kFingersNum,
     kMaxDistanceDelta,
     kMaxTimeDeltaMs,
+    kIgnoredAppBundles
   };
   id objects[] = {
     [NSNumber numberWithInt:kFingersNumDefault],
     [NSNumber numberWithFloat:kMaxDistanceDeltaDefault],
     [NSNumber numberWithInt:kMaxTimeDeltaMsDefault],
+    [NSArray arrayWithArray:kIgnoredAppBundlesDefault]
   };
   NSUInteger count = sizeof(objects) / sizeof(id);
   NSDictionary *appDefaults = [NSDictionary

README.md

@@ -129,6 +129,14 @@ defaults write com.rouge41.middleClick maxTimeDelta 150
 
 > Default is 300
 
+### Ignoring certain applications
+
+- You can disable MiddleClick for certain app windows by providing a list of app bundles to ignore
+
+```ps1
+defaults write com.rouge41.middleClick ignoredAppBundles -array com.microsoft.rdc.macos com.apple.Terminal
+```
+
 ---
 
 <details>