diff options
Diffstat (limited to 'examples/widgets/richtext/syntaxhighlighter/syntaxhighlighter.py')
| -rw-r--r-- | examples/widgets/richtext/syntaxhighlighter/syntaxhighlighter.py | 115 |
1 files changed, 58 insertions, 57 deletions
diff --git a/examples/widgets/richtext/syntaxhighlighter/syntaxhighlighter.py b/examples/widgets/richtext/syntaxhighlighter/syntaxhighlighter.py index a0f2e5937..089c434e5 100644 --- a/examples/widgets/richtext/syntaxhighlighter/syntaxhighlighter.py +++ b/examples/widgets/richtext/syntaxhighlighter/syntaxhighlighter.py @@ -2,7 +2,7 @@ ############################################################################ ## ## Copyright (C) 2013 Riverbank Computing Limited. -## Copyright (C) 2016 The Qt Company Ltd. +## 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. @@ -47,8 +47,8 @@ import re from PySide2.QtCore import (QFile, Qt, QTextStream) from PySide2.QtGui import (QColor, QFont, QKeySequence, QSyntaxHighlighter, QTextCharFormat) -from PySide2.QtWidgets import (QAction, qApp, QApplication, QFileDialog, QMainWindow, - QMenu, QMenuBar, QPlainTextEdit) +from PySide2.QtWidgets import (QApplication, QFileDialog, QMainWindow, + QPlainTextEdit) import syntaxhighlighter_rc @@ -57,97 +57,98 @@ class MainWindow(QMainWindow): def __init__(self, parent=None): QMainWindow.__init__(self, parent) - self.highlighter = Highlighter() + self._highlighter = Highlighter() - self.setupFileMenu() - self.setupEditor() + self.setup_file_menu() + self.setup_editor() - self.setCentralWidget(self.editor) + self.setCentralWidget(self._editor) self.setWindowTitle(self.tr("Syntax Highlighter")) - def newFile(self): - self.editor.clear() + def new_file(self): + self._editor.clear() - def openFile(self, path = ""): - fileName = path + def open_file(self, path=""): + file_name = path - if not fileName: - fileName, _ = QFileDialog.getOpenFileName(self, self.tr("Open File"), "", - "qmake Files (*.pro *.prf *.pri)") + if not file_name: + file_name, _ = QFileDialog.getOpenFileName(self, self.tr("Open File"), "", + "qmake Files (*.pro *.prf *.pri)") - if fileName: - inFile = QFile(fileName) + if file_name: + inFile = QFile(file_name) if inFile.open(QFile.ReadOnly | QFile.Text): stream = QTextStream(inFile) - self.editor.setPlainText(stream.readAll()) + self._editor.setPlainText(stream.readAll()) - def setupEditor(self): - variableFormat = QTextCharFormat() - variableFormat.setFontWeight(QFont.Bold) - variableFormat.setForeground(Qt.blue) - self.highlighter.addMapping("\\b[A-Z_]+\\b", variableFormat) + 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) - singleLineCommentFormat = QTextCharFormat() - singleLineCommentFormat.setBackground(QColor("#77ff77")) - self.highlighter.addMapping("#[^\n]*", singleLineCommentFormat) + single_line_comment_format = QTextCharFormat() + single_line_comment_format.setBackground(QColor("#77ff77")) + self._highlighter.add_mapping("#[^\n]*", single_line_comment_format) - quotationFormat = QTextCharFormat() - quotationFormat.setBackground(Qt.cyan) - quotationFormat.setForeground(Qt.blue) - self.highlighter.addMapping("\".*\"", quotationFormat) + quotation_format = QTextCharFormat() + quotation_format.setBackground(Qt.cyan) + quotation_format.setForeground(Qt.blue) + self._highlighter.add_mapping("\".*\"", quotation_format) - functionFormat = QTextCharFormat() - functionFormat.setFontItalic(True) - functionFormat.setForeground(Qt.blue) - self.highlighter.addMapping("\\b[a-z0-9_]+\\(.*\\)", functionFormat) + function_format = QTextCharFormat() + function_format.setFontItalic(True) + function_format.setForeground(Qt.blue) + self._highlighter.add_mapping("\\b[a-z0-9_]+\\(.*\\)", function_format) font = QFont() font.setFamily("Courier") font.setFixedPitch(True) font.setPointSize(10) - self.editor = QPlainTextEdit() - self.editor.setFont(font) - self.highlighter.setDocument(self.editor.document()) + self._editor = QPlainTextEdit() + self._editor.setFont(font) + self._highlighter.setDocument(self._editor.document()) - def setupFileMenu(self): - fileMenu = self.menuBar().addMenu(self.tr("&File")) + def setup_file_menu(self): + file_menu = self.menuBar().addMenu(self.tr("&File")) - newFileAct = fileMenu.addAction(self.tr("&New...")) - newFileAct.setShortcut(QKeySequence(QKeySequence.New)) - newFileAct.triggered.connect(self.newFile) + new_file_act = file_menu.addAction(self.tr("&New...")) + new_file_act.setShortcut(QKeySequence(QKeySequence.New)) + new_file_act.triggered.connect(self.new_file) - openFileAct = fileMenu.addAction(self.tr("&Open...")) - openFileAct.setShortcut(QKeySequence(QKeySequence.Open)) - openFileAct.triggered.connect(self.openFile) + open_file_act = file_menu.addAction(self.tr("&Open...")) + open_file_act.setShortcut(QKeySequence(QKeySequence.Open)) + open_file_act.triggered.connect(self.open_file) - quitAct = fileMenu.addAction(self.tr("E&xit")) - quitAct.setShortcut(QKeySequence(QKeySequence.Quit)) - quitAct.triggered.connect(self.close) + quit_act = file_menu.addAction(self.tr("E&xit")) + quit_act.setShortcut(QKeySequence(QKeySequence.Quit)) + quit_act.triggered.connect(self.close) - helpMenu = self.menuBar().addMenu("&Help") - helpMenu.addAction("About &Qt", qApp.aboutQt) + help_menu = self.menuBar().addMenu("&Help") + help_menu.addAction("About &Qt", qApp.aboutQt) class Highlighter(QSyntaxHighlighter): def __init__(self, parent=None): QSyntaxHighlighter.__init__(self, parent) - self.mappings = {} + self._mappings = {} - def addMapping(self, pattern, format): - self.mappings[pattern] = format + def add_mapping(self, pattern, format): + self._mappings[pattern] = format def highlightBlock(self, text): - for pattern in self.mappings: - for m in re.finditer(pattern,text): - s,e = m.span() - self.setFormat(s, e - s, self.mappings[pattern]) + for pattern, format in self._mappings.items(): + for match in re.finditer(pattern, text): + start, end = match.span() + self.setFormat(start, end - start, format) + if __name__ == '__main__': app = QApplication(sys.argv) window = MainWindow() window.resize(640, 512) window.show() - window.openFile(":/examples/example") + window.open_file(":/examples/example") sys.exit(app.exec_()) |