1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
"""
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, QEvent
from ui.main_window import MainWindow
class LabUIApplication(QApplication):
"""Catches the macOS "open with" launch event (QFileOpenEvent) for a
double-clicked .labui file — delivered via this event, not argv, and
can arrive before or after MainWindow exists, so it's buffered."""
def __init__(self, argv):
super().__init__(argv)
self.file_to_open: str | None = None
self.main_window = None
def event(self, e):
if e.type() == QEvent.Type.FileOpen:
path = e.file()
if self.main_window is not None:
self.main_window.load_profile_path(path)
else:
self.file_to_open = path
return True
return super().event(e)
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 = LabUIApplication(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()
app.main_window = win
win.show()
# Opened via double-click / CLI argv (Windows, Linux) or the buffered
# macOS FileOpen event (see LabUIApplication.event above).
path = app.file_to_open or (sys.argv[1] if len(sys.argv) > 1 else None)
if path and path.lower().endswith(".labui") and os.path.isfile(path):
win.load_profile_path(path)
sys.exit(app.exec())
if __name__ == "__main__":
main()
|
