diff options
Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_text_qsyntaxhighlighter.cpp')
-rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_text_qsyntaxhighlighter.cpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_text_qsyntaxhighlighter.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_text_qsyntaxhighlighter.cpp new file mode 100644 index 000000000..05300479a --- /dev/null +++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_text_qsyntaxhighlighter.cpp @@ -0,0 +1,124 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the documentation of PySide2. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +editor = QTextEdit() +highlighter = MyHighlighter(editor.document()) +//! [0] + + +//! [1] +class MyHighlighter(QSyntaxHighlighter): + def highlightBlock(self, text): + myClassFormat = QTextCharFormat() + myClassFormat.setFontWeight(QFont.Bold) + myClassFormat.setForeground(Qt.darkMagenta) + pattern = QString("\\bMy[A-Za-z]+\\b") + + expression = QRegExp(pattern) + index = text.indexOf(expression) + while index >= 0: + length = expression.matchedLength() + setFormat(index, length, myClassFormat) + index = text.indexOf(expression, index + length) +//! [1] + + +//! [2] +multiLineCommentFormat = QTextCharFormat() +multiLineCommentFormat.setForeground(Qt.red) + +startExpression = QRegExp("/\\*") +endExpression = QRegExp("\\*/") + +setCurrentBlockState(0) + +startIndex = 0 +if previousBlockState() != 1: + startIndex = text.indexOf(startExpression) + +while startIndex >= 0: + endIndex = text.indexOf(endExpression, startIndex) + if endIndex == -1: + setCurrentBlockState(1) + commentLength = text.length() - startIndex + else: + commentLength = endIndex - startIndex + + endExpression.matchedLength() + + setFormat(startIndex, commentLength, multiLineCommentFormat) + startIndex = text.indexOf(startExpression, + startIndex + commentLength) +//! [2] + + +//! [3] +class MyHighlighter(QSyntaxHighlighter): + def highlightBlock(self, text): + myClassFormat = QTextCharFormat() + myClassFormat.setFontWeight(QFont.Bold) + myClassFormat.setForeground(Qt.darkMagenta) + pattern = QString("\\bMy[A-Za-z]+\\b") + + expression = QRegExp(pattern) + index = text.indexOf(expression) + while index >= 0: + length = expression.matchedLength() + setFormat(index, length, myClassFormat) + index = text.indexOf(expression, index + length) +//! [3] + + +//! [4] +class BlockData(QTextBlockUserData): + def __init__(self): + # ... + self.parentheses = [] +//! [4] |