feat(widgets/console): BECConsole based on termqt added

bec_widgets/widgets/console/console.py

@@ -0,0 +1,92 @@
+import logging
+import platform
+import sys
+
+import termqt
+from qtpy.QtCore import Qt
+from qtpy.QtGui import QFont
+from qtpy.QtWidgets import QApplication, QHBoxLayout, QScrollBar, QWidget
+from termqt import Terminal
+
+
+class TerminalWidget(QWidget):
+    def __init__(self, logger):
+        super().__init__()
+        self.logger = logger
+        self.terminal = Terminal(800, 600, logger=self.logger)
+        self.terminal.set_font()
+        self.terminal.maximum_line_history = 2000
+        self.scroll = QScrollBar(Qt.Vertical, self.terminal)
+        self.terminal.connect_scroll_bar(self.scroll)
+
+        layout = QHBoxLayout()
+        layout.addWidget(self.terminal)
+        layout.addWidget(self.scroll)
+        layout.setSpacing(0)
+        self.setLayout(layout)
+
+
+class BECConsole(QWidget):
+    def __init__(self):
+        super().__init__()
+        self.setWindowTitle(f"termqt on {platform.system()}")
+        self.logger = self.setup_logger()
+
+        self.terminal_widget = TerminalWidget(self.logger)
+
+        layout = QHBoxLayout()
+        layout.addWidget(self.terminal_widget)
+        self.setLayout(layout)
+
+        self.auto_wrap_enabled = True
+        self.platform = platform.system()
+
+        self.setup_terminal_io()
+
+    def setup_logger(self):
+        logger = logging.getLogger()
+        logger.setLevel(logging.DEBUG)
+        handler = logging.StreamHandler()
+        formatter = logging.Formatter("[%(asctime)s] > [%(filename)s:%(lineno)d] %(message)s")
+        handler.setFormatter(formatter)
+        logger.addHandler(handler)
+        return logger
+
+    def setup_terminal_io(self):
+        if self.platform in ["Linux", "Darwin"]:
+            bin = "/bin/bash"
+            from termqt import TerminalPOSIXExecIO
+
+            self.terminal_io = TerminalPOSIXExecIO(
+                self.terminal_widget.terminal.row_len,
+                self.terminal_widget.terminal.col_len,
+                bin,
+                logger=self.logger,
+            )
+        elif self.platform == "Windows":
+            bin = "cmd"
+            from termqt import TerminalWinptyIO
+
+            self.terminal_io = TerminalWinptyIO(
+                self.terminal_widget.terminal.row_len,
+                self.terminal_widget.terminal.col_len,
+                bin,
+                logger=self.logger,
+            )
+            self.auto_wrap_enabled = False
+        else:
+            self.logger.error(f"Not supported platform: {self.platform}")
+            sys.exit(-1)
+
+        self.terminal_widget.terminal.enable_auto_wrap(self.auto_wrap_enabled)
+        self.terminal_io.stdout_callback = self.terminal_widget.terminal.stdout
+        self.terminal_widget.terminal.stdin_callback = self.terminal_io.write
+        self.terminal_widget.terminal.resize_callback = self.terminal_io.resize
+        self.terminal_io.spawn()
+
+
+if __name__ == "__main__":
+    app = QApplication([])
+    main_window = BECConsole()
+    main_window.show()
+    sys.exit(app.exec())