GUI: added log_panel

gui/src/aaregui/panels/LogPanel.py

@@ -0,0 +1,32 @@
+# Python
+
+from PySide6.QtCore import Qt, Signal, QObject
+from PySide6.QtWidgets import QDockWidget, QPlainTextEdit
+
+from aaredaqlib.logger_config import QtLogEmitter, QtLogHandler, find_existing_formatter, attach_to_logger
+
+
+class LogDock(QDockWidget):
+    def __init__(self, title="Log", parent=None):
+        super().__init__(title, parent)
+        self.setAllowedAreas(Qt.BottomDockWidgetArea | Qt.TopDockWidgetArea)
+        self.view = QPlainTextEdit(self)
+        self.view.setReadOnly(True)
+        self.setWidget(self.view)
+
+        # connect emitter to append text safely from any thread
+        self.emitter = QtLogEmitter()
+        self.emitter.message.connect(self._append_line)
+
+        # logging handler
+        self.handler = QtLogHandler(self.emitter)
+        self.handler.setFormatter(find_existing_formatter())
+
+    def attach_logger(self, logger_name: str = "aareGUI"):
+        attach_to_logger(logger_name, self.handler)
+
+    def _append_line(self, text: str):
+        self.view.appendPlainText(text)
+
+    def clear(self):
+        self.view.clear()