superqt/docs/utilities/code_syntax_highlight.md

CodeSyntaxHighlight

A code highlighter subclass of QSyntaxHighlighter that can be used to highlight code in a QTextEdit.

Code lexer and available styles are from pygments python library

List of available languages are available here.

List of available styles are available here.

Example

from qtpy.QtGui import QColor, QPalette
from qtpy.QtWidgets import QApplication, QTextEdit

from superqt.utils import CodeSyntaxHighlight

app = QApplication([])

text_area = QTextEdit()

highlight = CodeSyntaxHighlight(text_area.document(), "python", "monokai")

palette = text_area.palette()
palette.setColor(QPalette.Base, QColor(highlight.background_color))
text_area.setPalette(palette)
text_area.setText(
    """from argparse import ArgumentParser

def main():
    parser = ArgumentParser()
    parser.add_argument("name", help="Your name")
    args = parser.parse_args()
    print(f"Hello {args.name}")


if __name__ == "__main__":
    main()
"""
)

text_area.show()
text_area.resize(400, 200)

app.exec_()

{{ show_widget() }}

{{ show_members('superqt.utils.CodeSyntaxHighlight') }}