Initial Version

overlay.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+import sys
+import signal
+from PyQt5.QtCore import Qt, QUrl, QTimer
+from PyQt5.QtWidgets import QApplication, QMainWindow
+from PyQt5.QtWebEngineWidgets import QWebEngineView, QWebEngineProfile, QWebEnginePage, QWebEngineSettings
+from PyQt5.QtGui import QColor
+
+
+def find_screen(app, width=2560, height=1440):
+    for screen in app.screens():
+        s = screen.size()
+        if s.width() == width and s.height() == height:
+            return screen
+    print(f"Warning: no {width}x{height} screen found, falling back to primary")
+    return app.primaryScreen()
+
+
+class Overlay(QMainWindow):
+    def __init__(self, url, screen):
+        super().__init__()
+        self.setWindowFlags(
+            Qt.FramelessWindowHint |
+            Qt.WindowStaysOnTopHint |
+            Qt.Tool |
+            Qt.WindowTransparentForInput
+        )
+        self.setAttribute(Qt.WA_TranslucentBackground)
+
+        view = QWebEngineView()
+        profile = QWebEngineProfile(view)  # off-the-record, no disk storage
+        page = QWebEnginePage(profile, view)
+        view.setPage(page)
+        view.page().setBackgroundColor(QColor(0, 0, 0, 0))
+        view.page().setAudioMuted(False)
+
+        settings = view.page().settings()
+        settings.setAttribute(QWebEngineSettings.PlaybackRequiresUserGesture, False)
+        settings.setAttribute(QWebEngineSettings.JavascriptEnabled, True)
+
+        view.load(QUrl(url))
+        self.setCentralWidget(view)
+
+        self.setGeometry(screen.geometry())
+        self.show()
+
+
+if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        print("Usage: python3 overlay.py <url>")
+        sys.exit(1)
+
+    app = QApplication(sys.argv)
+
+    signal.signal(signal.SIGINT, signal.SIG_DFL)
+    timer = QTimer()
+    timer.start(200)
+    timer.timeout.connect(lambda: None)
+
+    screen = find_screen(app)
+    window = Overlay(sys.argv[1], screen)
+    sys.exit(app.exec_())