LogTextEdit

Qt Base Class: QPlainTextEdit

Signature: QPlainTextEdit(self, parent: Optional[PySide6.QtWidgets.QWidget] = None) -> None QPlainTextEdit(self, text: str, parent: Optional[PySide6.QtWidgets.QWidget] = None) -> None

Base classes

Name	Children	Inherits
PlainTextEdit prettyqt.widgets.plaintextedit	AutoResizePlainTextEdit SingleLineTextEdit LogTextEdit CodeEditor	PlainTextEditMixin QPlainTextEdit

⋔ Inheritance diagram

graph TD
  1473367109680["custom_widgets.LogTextEdit"]
  1473296323232["widgets.PlainTextEdit"]
  1473296321280["widgets.PlainTextEditMixin"]
  1473293679456["widgets.AbstractScrollAreaMixin"]
  1473293662864["widgets.FrameMixin"]
  1473293688240["widgets.WidgetMixin"]
  1473299815024["core.ObjectMixin"]
  140713234304496["builtins.object"]
  1473245548480["gui.PaintDeviceMixin"]
  1473290657408["QtWidgets.QPlainTextEdit"]
  1473290616416["QtWidgets.QAbstractScrollArea"]
  1473290626176["QtWidgets.QFrame"]
  1473290849680["QtWidgets.QWidget"]
  1473288842240["QtCore.QObject"]
  1473291690208["Shiboken.Object"]
  1473300082368["QtGui.QPaintDevice"]
  1473296323232 --> 1473367109680
  1473296321280 --> 1473296323232
  1473293679456 --> 1473296321280
  1473293662864 --> 1473293679456
  1473293688240 --> 1473293662864
  1473299815024 --> 1473293688240
  140713234304496 --> 1473299815024
  1473245548480 --> 1473293688240
  140713234304496 --> 1473245548480
  1473290657408 --> 1473296323232
  1473290616416 --> 1473290657408
  1473290626176 --> 1473290616416
  1473290849680 --> 1473290626176
  1473288842240 --> 1473290849680
  1473291690208 --> 1473288842240
  140713234304496 --> 1473291690208
  1473300082368 --> 1473290849680
  1473291690208 --> 1473300082368

🛈 DocStrings

Bases: PlainTextEdit

Source code in prettyqt\custom_widgets\logtextedit.py

class LogTextEdit(widgets.PlainTextEdit):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.rules = []
        self.allow_wheel_zoom()
        self.set_font(gui.Font.mono(as_qt=True))
        self.append_text(f"Python version: {sys.version}")
        new_logger = logging.getLogger()
        # self.handler = signallogger.LineSignalLogger()
        # self.handler.log_line.connect(self.append_text)
        self.handler = signallogger.SignalLogger()
        self.handler.signals.log_record.connect(self.append_record)
        core.CoreApplication.call_on_exit(lambda: new_logger.removeHandler(self.handler))
        self.handler.setLevel(logging.INFO)
        new_logger.addHandler(self.handler)
        fmt = logging.Formatter("%(asctime)s  %(levelname)s  %(message)s")
        self.set_formatter(fmt)

    def set_formatter(self, formatter: logging.Formatter):
        self.formatter = formatter
        rules = [klass(self.formatter) for klass in Highlighter.__subclasses__()]
        self.rules = [r for r in rules if r.is_included]
        self.handler.setFormatter(formatter)

    def append_record(self, record: logging.LogRecord):
        start_of_line = len(self.text())
        if self.formatter._fmt is None:
            raise TypeError("Formatter does not contain format string")
        self.append_text(self.formatter._fmt)
        old_fmt = self.textCursor().charFormat()
        with self.selecter.create_cursor() as c:
            c.move_position("end")
            c.move_position("start_of_block")
            start_pos = c.position()
            for r in self.rules:
                line_text = c.select_text(start_pos, "end_of_block")
                matches = list(r.pattern.finditer(line_text))
                for m in reversed(matches):
                    pos = m.start(0) + start_of_line
                    if start_of_line != 0:
                        pos += 1
                    end = pos + m.end(0) - m.start(0)
                    fmt_string = r.format_string(record)
                    try:
                        value = f"%{m.group(1)}" % fmt_string
                    except (TypeError, ValueError):
                        value = fmt_string
                    c.replace_text(pos, end, value)
                    fmt = r.get_format(fmt_string)
                    c.setCharFormat(fmt)
                    c.clearSelection()
                    c.setCharFormat(old_fmt)

⌗ Property table

Qt Property	Type	Doc
objectName	QString
modal	bool
windowModality	Qt::WindowModality
enabled	bool
geometry	QRect
frameGeometry	QRect
normalGeometry	QRect
x	int
y	int
pos	QPoint
frameSize	QSize
size	QSize
width	int
height	int
rect	QRect
childrenRect	QRect
childrenRegion	QRegion
sizePolicy	QSizePolicy
minimumSize	QSize
maximumSize	QSize
minimumWidth	int
minimumHeight	int
maximumWidth	int
maximumHeight	int
sizeIncrement	QSize
baseSize	QSize
palette	QPalette
font	QFont
cursor	QCursor
mouseTracking	bool
tabletTracking	bool
isActiveWindow	bool
focusPolicy	Qt::FocusPolicy
focus	bool
contextMenuPolicy	Qt::ContextMenuPolicy
updatesEnabled	bool
visible	bool
minimized	bool
maximized	bool
fullScreen	bool
sizeHint	QSize
minimumSizeHint	QSize
acceptDrops	bool
windowTitle	QString
windowIcon	QIcon
windowIconText	QString
windowOpacity	double
windowModified	bool
toolTip	QString
toolTipDuration	int
statusTip	QString
whatsThis	QString
accessibleName	QString
accessibleDescription	QString
layoutDirection	Qt::LayoutDirection
autoFillBackground	bool
styleSheet	QString
locale	QLocale
windowFilePath	QString
inputMethodHints	QFlags
frameShape	QFrame::Shape
frameShadow	QFrame::Shadow
lineWidth	int
midLineWidth	int
frameWidth	int
frameRect	QRect
verticalScrollBarPolicy	Qt::ScrollBarPolicy
horizontalScrollBarPolicy	Qt::ScrollBarPolicy
sizeAdjustPolicy	QAbstractScrollArea::SizeAdjustPolicy
tabChangesFocus	bool
documentTitle	QString
undoRedoEnabled	bool
lineWrapMode	QPlainTextEdit::LineWrapMode
readOnly	bool
plainText	QString
overwriteMode	bool
tabStopDistance	double
cursorWidth	int
textInteractionFlags	QFlags
blockCount	int
maximumBlockCount	int
backgroundVisible	bool
centerOnScroll	bool
placeholderText	QString
current_line_color	QColor	Color to use for current line highlighting
validation_color	QColor	Color to use for invalid text