example of X window embedding

bec_widgets/widgets/embedded_console/embed_xwin.py

@@ -0,0 +1,43 @@
+from qtpy.QtGui import QWindow
+from qtpy.QtWidgets import QWidget, QMainWindow, QApplication, QVBoxLayout
+import wmctrl
+import subprocess
+import os
+import sys
+import time
+
+bec_window_title = f"BEC_{os.getpid()}"
+terminal_cmd = ["xfce4-terminal", "--hide-borders","--hide-toolbar", "--hide-menubar", "--title", bec_window_title]
+terminal_process = subprocess.Popen(terminal_cmd)
+
+def find_bec_terminal_wid():
+    t0 = time.perf_counter()
+    while True:
+        for win in wmctrl.Window.list():
+            if win.wm_name == bec_window_title:
+                return int(win.id, 16)
+            if time.perf_counter() - t0 > 3:
+                print("do not see terminal after 3 seconds, giving up")
+                return None
+            time.sleep(0.1)
+
+wid = find_bec_terminal_wid()
+if wid is None:
+    sys.exit(1)
+
+app = QApplication([])
+mw = QMainWindow()
+win = QWindow.fromWinId(wid)
+central = QWidget(mw)
+layout = QVBoxLayout(central)
+mw.setCentralWidget(central)
+container = QWidget.createWindowContainer(win, central)
+layout.addWidget(container)
+
+mw.show()
+
+app.exec_()
+
+
+
+