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"""
main.py — LabUI entry point.
Run:
python main.py
Requirements:
pip install PyQt6 pyqtgraph numpy pyserial
"""
import sys, os
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
from PyQt6.QtWidgets import QApplication
from PyQt6.QtCore import qInstallMessageHandler, QtMsgType
from ui.main_window import MainWindow
def _qt_message_handler(msg_type, context, message):
"""Silence one specific, harmless Qt warning: the native windowsvista
style's combo-box/menu popup code calls QFont::setPointSize() on a
pixel-sized font (our QSS uses px font-size, so pointSize() is -1 by
design) — cosmetic console noise only, doesn't affect rendering.
Everything else still prints normally."""
if "QFont::setPointSize" in message:
return
if msg_type == QtMsgType.QtWarningMsg:
print(f"Warning: {message}", file=sys.stderr)
elif msg_type == QtMsgType.QtCriticalMsg:
print(f"Critical: {message}", file=sys.stderr)
elif msg_type == QtMsgType.QtFatalMsg:
print(f"Fatal: {message}", file=sys.stderr)
else:
print(message, file=sys.stderr)
def main():
qInstallMessageHandler(_qt_message_handler)
app = QApplication(sys.argv)
app.setApplicationName("LabUI")
qss = os.path.join(os.path.dirname(os.path.abspath(__file__)), "ui", "style_dark.qss")
if os.path.exists(qss):
with open(qss) as f:
app.setStyleSheet(f.read())
win = MainWindow()
win.show()
sys.exit(app.exec())
if __name__ == "__main__":
main()
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