gebv · October 20, 2015 15:44 · Oct 21, 2013 · Jul 3, 2012
diff --git a/frontmost_window.py b/frontmost_window.py
@@ -1,5 +1,5 @@
-# This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
 # Copyright @ Bjarte Johansen 2012
+# License: http://ljos.mit-license.org/
 
 from AppKit import NSApplication, NSApp, NSWorkspace
 from Foundation import NSObject, NSLog

diff --git a/frontmost_window.py b/frontmost_window.py
@@ -0,0 +1,32 @@
+# This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
+# Copyright @ Bjarte Johansen 2012
+
+from AppKit import NSApplication, NSApp, NSWorkspace
+from Foundation import NSObject, NSLog
+from PyObjCTools import AppHelper
+from Quartz import kCGWindowListOptionOnScreenOnly, kCGNullWindowID, CGWindowListCopyWindowInfo
+
+class AppDelegate(NSObject):
+    def applicationDidFinishLaunching_(self, notification):
+        workspace = NSWorkspace.sharedWorkspace()
+        activeApps = workspace.runningApplications()
+        for app in activeApps:
+            if app.isActive():
+                options = kCGWindowListOptionOnScreenOnly
+                windowList = CGWindowListCopyWindowInfo(options,
+                                                        kCGNullWindowID)
+                for window in windowList:
+                    if window['kCGWindowOwnerName'] == app.localizedName():
+                        NSLog('%@', window)
+                        break
+                break
+        AppHelper.stopEventLoop()
+
+def main():
+    NSApplication.sharedApplication()
+    delegate = AppDelegate.alloc().init()
+    NSApp().setDelegate_(delegate)
+    AppHelper.runEventLoop()
+
+if __name__ == '__main__':
+    main()