diff options
Diffstat (limited to 'examples/widgets/richtext/syntaxhighlighter/syntaxhighlighter.py')
| -rw-r--r-- | examples/widgets/richtext/syntaxhighlighter/syntaxhighlighter.py | 98 |
1 files changed, 27 insertions, 71 deletions
diff --git a/examples/widgets/richtext/syntaxhighlighter/syntaxhighlighter.py b/examples/widgets/richtext/syntaxhighlighter/syntaxhighlighter.py index 6c21a2a06..5f85ab24d 100644 --- a/examples/widgets/richtext/syntaxhighlighter/syntaxhighlighter.py +++ b/examples/widgets/richtext/syntaxhighlighter/syntaxhighlighter.py @@ -1,56 +1,19 @@ - -############################################################################ -## -## Copyright (C) 2013 Riverbank Computing Limited. -## Copyright (C) 2020 The Qt Company Ltd. -## Contact: http://www.qt.io/licensing/ -## -## This file is part of the Qt for Python examples of the Qt Toolkit. -## -## $QT_BEGIN_LICENSE:BSD$ -## You may use this file under the terms of the BSD license as follows: -## -## "Redistribution and use in source and binary forms, with or without -## modification, are permitted provided that the following conditions are -## met: -## * Redistributions of source code must retain the above copyright -## notice, this list of conditions and the following disclaimer. -## * Redistributions in binary form must reproduce the above copyright -## notice, this list of conditions and the following disclaimer in -## the documentation and/or other materials provided with the -## distribution. -## * Neither the name of The Qt Company Ltd nor the names of its -## contributors may be used to endorse or promote products derived -## from this software without specific prior written permission. -## -## -## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -## -## $QT_END_LICENSE$ -## -############################################################################# +# Copyright (C) 2013 Riverbank Computing Limited. +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause +from __future__ import annotations """PySide6 port of the widgets/richtext/syntaxhighlighter example from Qt v5.x""" +import os +from pathlib import Path import sys import re from PySide6.QtCore import (QFile, Qt, QTextStream) -from PySide6.QtGui import (QColor, QFont, QKeySequence, QSyntaxHighlighter, - QTextCharFormat) +from PySide6.QtGui import (QColor, QFont, QFontDatabase, QKeySequence, + QSyntaxHighlighter, QTextCharFormat) from PySide6.QtWidgets import (QApplication, QFileDialog, QMainWindow, - QPlainTextEdit) - -import syntaxhighlighter_rc + QPlainTextEdit) class MainWindow(QMainWindow): @@ -73,39 +36,32 @@ class MainWindow(QMainWindow): if not file_name: file_name, _ = QFileDialog.getOpenFileName(self, self.tr("Open File"), "", - "qmake Files (*.pro *.prf *.pri)") + "Python Files (*.py)") if file_name: - inFile = QFile(file_name) - if inFile.open(QFile.ReadOnly | QFile.Text): - stream = QTextStream(inFile) + in_file = QFile(file_name) + if in_file.open(QFile.ReadOnly | QFile.Text): + stream = QTextStream(in_file) self._editor.setPlainText(stream.readAll()) def setup_editor(self): - variable_format = QTextCharFormat() - variable_format.setFontWeight(QFont.Bold) - variable_format.setForeground(Qt.blue) - self._highlighter.add_mapping("\\b[A-Z_]+\\b", variable_format) - - single_line_comment_format = QTextCharFormat() - single_line_comment_format.setBackground(QColor("#77ff77")) - self._highlighter.add_mapping("#[^\n]*", single_line_comment_format) - - quotation_format = QTextCharFormat() - quotation_format.setBackground(Qt.cyan) - quotation_format.setForeground(Qt.blue) - self._highlighter.add_mapping("\".*\"", quotation_format) + class_format = QTextCharFormat() + class_format.setFontWeight(QFont.Bold) + class_format.setForeground(Qt.blue) + pattern = r'^\s*class\s+\w+\(.*$' + self._highlighter.add_mapping(pattern, class_format) function_format = QTextCharFormat() function_format.setFontItalic(True) function_format.setForeground(Qt.blue) - self._highlighter.add_mapping("\\b[a-z0-9_]+\\(.*\\)", function_format) + pattern = r'^\s*def\s+\w+\s*\(.*\)\s*:\s*$' + self._highlighter.add_mapping(pattern, function_format) - font = QFont() - font.setFamily("Courier") - font.setFixedPitch(True) - font.setPointSize(10) + comment_format = QTextCharFormat() + comment_format.setBackground(QColor("#77ff77")) + self._highlighter.add_mapping(r'^\s*#.*$', comment_format) + font = QFontDatabase.systemFont(QFontDatabase.FixedFont) self._editor = QPlainTextEdit() self._editor.setFont(font) self._highlighter.setDocument(self._editor.document()) @@ -126,7 +82,7 @@ class MainWindow(QMainWindow): quit_act.triggered.connect(self.close) help_menu = self.menuBar().addMenu("&Help") - help_menu.addAction("About &Qt", qApp.aboutQt) + help_menu.addAction("About &Qt", qApp.aboutQt) # noqa: F821 class Highlighter(QSyntaxHighlighter): @@ -150,5 +106,5 @@ if __name__ == '__main__': window = MainWindow() window.resize(640, 512) window.show() - window.open_file(":/examples/example") - sys.exit(app.exec_()) + window.open_file(os.fspath(Path(__file__).resolve())) + sys.exit(app.exec()) |