ykcheungab
52 lines
1.2 KiB
Python
52 lines
1.2 KiB
Python
"""Logging helpers for the finger dashboard."""
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from __future__ import annotations
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from PyQt5.QtGui import QFont
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from PyQt5.QtWidgets import QPlainTextEdit
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class TeeStream:
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"""Write to multiple text streams."""
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def __init__(self, *streams):
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self.streams = streams
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def write(self, text):
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for stream in self.streams:
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stream.write(text)
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def flush(self):
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for stream in self.streams:
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stream.flush()
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class WidgetLogHandler:
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"""Mirror print output into a QPlainTextEdit."""
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def __init__(self, widget: QPlainTextEdit):
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self.widget = widget
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self.buf = ""
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def write(self, text: str):
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self.buf += text
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while "\n" in self.buf:
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line, self.buf = self.buf.split("\n", 1)
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if line:
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self.widget.appendPlainText(line)
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def flush(self):
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if self.buf:
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self.widget.appendPlainText(self.buf)
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self.buf = ""
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def make_log_widget() -> QPlainTextEdit:
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widget = QPlainTextEdit()
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widget.setReadOnly(True)
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widget.setMaximumBlockCount(2000)
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font = QFont("Consolas", 12)
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font.setStyleHint(QFont.Monospace)
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widget.setFont(font)
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return widget
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