snapshot of https://github.com/ActivityWatch/aw-watcher-window.git (master, 2026-09-16; blobs > 131072B omitted)

aw_watcher_window/windows.py

@@ -0,0 +1,89 @@
+import os
+import time
+from typing import Optional
+
+import win32api
+import win32gui
+import win32process
+import wmi
+
+
+def get_app_path(hwnd) -> Optional[str]:
+    """Get application path given hwnd."""
+    path = None
+
+    _, pid = win32process.GetWindowThreadProcessId(hwnd)
+    process = win32api.OpenProcess(
+        0x0400, False, pid
+    )  # PROCESS_QUERY_INFORMATION = 0x0400
+
+    try:
+        path = win32process.GetModuleFileNameEx(process, 0)
+    finally:
+        win32api.CloseHandle(process)
+
+    return path
+
+
+def get_app_name(hwnd) -> Optional[str]:
+    """Get application filename given hwnd."""
+    path = get_app_path(hwnd)
+
+    if path is None:
+        return None
+
+    return os.path.basename(path)
+
+
+def get_window_title(hwnd):
+    return win32gui.GetWindowText(hwnd)
+
+
+def get_active_window_handle():
+    hwnd = win32gui.GetForegroundWindow()
+    return hwnd
+
+
+# WMI-version, used as fallback if win32gui/win32process/win32api fails (such as for "run as admin" processes)
+
+c = wmi.WMI()
+
+"""
+Much of this derived from: http://stackoverflow.com/a/14973422/965332
+"""
+
+
+def get_app_name_wmi(hwnd) -> Optional[str]:
+    """Get application filename given hwnd."""
+    name = None
+    _, pid = win32process.GetWindowThreadProcessId(hwnd)
+    for p in c.query("SELECT Name FROM Win32_Process WHERE ProcessId = %s" % str(pid)):
+        name = p.Name
+        break
+    return name
+
+
+def get_app_path_wmi(hwnd) -> Optional[str]:
+    """Get application path given hwnd."""
+    path = None
+
+    _, pid = win32process.GetWindowThreadProcessId(hwnd)
+    for p in c.query(
+        "SELECT ExecutablePath FROM Win32_Process WHERE ProcessId = %s" % str(pid)
+    ):
+        path = p.ExecutablePath
+        break
+
+    return path
+
+
+if __name__ == "__main__":
+    while True:
+        hwnd = get_active_window_handle()
+        print("Title:", get_window_title(hwnd))
+        print("App:        ", get_app_name(hwnd))
+        print("App (wmi):  ", get_app_name_wmi(hwnd))
+        print("Path:       ", get_app_path(hwnd))
+        print("Path (wmi): ", get_app_path_wmi(hwnd))
+
+        time.sleep(1.0)