Initial Codes

main.py

@@ -0,0 +1,57 @@
+"""
+DBClient — entry point.
+"""
+import sys
+import os
+from PyQt6.QtWidgets import QApplication
+from PyQt6.QtCore import Qt
+from PyQt6.QtGui import QFont
+
+from app.utils.logger import setup_logging, install_qt_message_handler, get_logger
+from app.main_window import MainWindow
+
+log = get_logger(__name__)
+
+
+def load_stylesheet(app: QApplication) -> None:
+    style_path = os.path.join(os.path.dirname(__file__), "resources", "style.qss")
+    if os.path.exists(style_path):
+        with open(style_path, "r", encoding="utf-8") as f:
+            app.setStyleSheet(f.read())
+
+
+def main():
+    # ── Logging must be set up before anything else ───────────────────────────
+    setup_logging()
+
+    # High DPI
+    os.environ.setdefault("QT_ENABLE_HIGHDPI_SCALING", "1")
+
+    app = QApplication(sys.argv)
+    app.setApplicationName("DBClient")
+    app.setApplicationDisplayName("DBClient")
+    app.setApplicationVersion("1.0.0")
+    app.setOrganizationName("DBClient")
+
+    # Route Qt's own warning/critical messages into the Python log
+    install_qt_message_handler()
+
+    # Default font
+    font = QFont("Segoe UI", 10)
+    app.setFont(font)
+
+    load_stylesheet(app)
+
+    log.info("Starting MainWindow")
+    window = MainWindow()
+    window.show()
+
+    log.info("Entering event loop")
+    exit_code = app.exec()
+    log.info("Application exited with code %d", exit_code)
+    sys.exit(exit_code)
+
+
+if __name__ == "__main__":
+    main()
+