add the first plugins

testbed/docks.py

@@ -0,0 +1,32 @@
+import sys
+
+from PyQt6.QtWidgets import QApplication, QMainWindow, QDockWidget, QLabel, QTextEdit
+from PyQt6.QtCore import Qt
+
+
+class DockWindow(QMainWindow):
+    def __init__(self, *args, **kwargs):
+        super(DockWindow, self).__init__(*args, **kwargs)
+
+        self.dock_1 = QDockWidget("Dock1", self)
+        self.dock_1.layout().addWidget(QLabel("dock1"))
+
+        self.dock_2 = QDockWidget("Dock2", self)
+        self.dock_2.layout().addWidget(QLabel("dock2"))
+
+        self.dock_3 = QDockWidget("Dock3", self)
+        self.dock_3.layout().addWidget(QLabel("dock3"))
+
+        self.setCentralWidget(QTextEdit())
+        self.addDockWidget(Qt.DockWidgetArea.RightDockWidgetArea, self.dock_1)
+        self.addDockWidget(Qt.DockWidgetArea.LeftDockWidgetArea, self.dock_2)
+        self.addDockWidget(Qt.DockWidgetArea.LeftDockWidgetArea, self.dock_3)
+
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+
+    window = DockWindow()
+    window.show()
+
+    app.exec()