Reset master to testing content

tests/steam_focus_fixture.py

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+"""Steam-shaped X11 browser and popup fixture for a private X server."""
+
+import json
+import os
+import sys
+
+from Xlib import X, Xatom, XK, display
+from Xlib.xobject.drawable import Window
+
+
+def main() -> None:
+    connection = display.Display()
+    root = connection.screen().root
+    activeAtom = connection.intern_atom("_NET_ACTIVE_WINDOW")
+    pidAtom = connection.intern_atom("_NET_WM_PID")
+
+    def make_window(parent: Window, width: int, height: int) -> Window:
+        window = parent.create_window(0, 0, width, height, 0,
+                                      connection.screen().root_depth,
+                                      event_mask=X.KeyPressMask | X.KeyReleaseMask)
+        window.change_property(pidAtom, Xatom.CARDINAL, 32, [os.getpid()])
+        window.map()
+        return window
+
+    steam = make_window(root, 800, 600)
+    steam.set_wm_class("steamwebhelper", "steam")
+    mainHost = make_window(steam, 800, 600)
+    browser = make_window(mainHost, 800, 600)
+    popupHost = make_window(steam, 300, 600)
+    popup = make_window(popupHost, 300, 600)
+    other = make_window(root, 800, 600)
+    other.set_wm_class("example", "Example")
+    otherChild = make_window(other, 800, 600)
+    windows = dict(steam=steam, browser=browser, popup=popup,
+                   popupHost=popupHost, other=other, otherChild=otherChild)
+    root.change_property(activeAtom, Xatom.WINDOW, 32, [steam.id])
+    browser.set_input_focus(X.RevertToParent, X.CurrentTime)
+    connection.sync()
+    print(json.dumps({name: window.id for name, window in windows.items()}), flush=True)
+    for line in sys.stdin:
+        command = json.loads(line)
+        action = command["action"]
+        window = windows[command.get("window", "steam")]
+        if action == "activate":
+            root.change_property(activeAtom, Xatom.WINDOW, 32, [window.id])
+            window.set_input_focus(X.RevertToParent, X.CurrentTime)
+        elif action == "focus":
+            window.set_input_focus(X.RevertToParent, X.CurrentTime)
+        elif action == "unmap":
+            window.unmap()
+        elif action == "map":
+            window.map()
+        elif action == "destroy":
+            window.destroy()
+        elif action == "class":
+            window.set_wm_class("example", "Example")
+        elif action == "xterm":
+            window.set_wm_class("xterm", "XTerm")
+        elif action == "unknown":
+            root.delete_property(activeAtom)
+        elif action == "pid":
+            window.change_property(pidAtom, Xatom.CARDINAL, 32, [os.getpid() + 1])
+        elif action == "events":
+            connection.sync()
+            events = []
+            while connection.pending_events():
+                event = connection.next_event()
+                if event.type in (X.KeyPress, X.KeyRelease):
+                    events.append({"window": event.window.id, "pressed": event.type == X.KeyPress,
+                                   "escape": event.detail == connection.keysym_to_keycode(XK.string_to_keysym("Escape"))})
+            print(json.dumps(events), flush=True)
+            continue
+        connection.sync()
+        print("ready", flush=True)
+    connection.close()
+
+
+if __name__ == "__main__":
+    main()