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Diffstat (limited to 'Tests/QtAutogen/codeeditor.h')
-rw-r--r-- | Tests/QtAutogen/codeeditor.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/Tests/QtAutogen/codeeditor.h b/Tests/QtAutogen/codeeditor.h new file mode 100644 index 0000000..56e9e792 --- /dev/null +++ b/Tests/QtAutogen/codeeditor.h @@ -0,0 +1,99 @@ + /**************************************************************************** + ** + ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). + ** All rights reserved. + ** Contact: Nokia Corporation (qt-info@nokia.com) + ** + ** This file is part of the 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 Nokia Corporation and its Subsidiary(-ies) 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." + ** $QT_END_LICENSE$ + ** + ****************************************************************************/ + + #ifndef CODEEDITOR_H + #define CODEEDITOR_H + + #include <QPlainTextEdit> + #include <QObject> + + class QPaintEvent; + class QResizeEvent; + class QSize; + class QWidget; + + class LineNumberArea; + + + class CodeEditor : public QPlainTextEdit + { + Q_OBJECT + + public: + CodeEditor(QWidget *parent = 0); + + void lineNumberAreaPaintEvent(QPaintEvent *event); + int lineNumberAreaWidth(); + + protected: + void resizeEvent(QResizeEvent *event); + + private slots: + void updateLineNumberAreaWidth(int newBlockCount); + void highlightCurrentLine(); + void updateLineNumberArea(const QRect &, int); + + private: + QWidget *lineNumberArea; + }; + + + class LineNumberArea : public QWidget + { + public: + LineNumberArea(CodeEditor *editor) : QWidget(editor) { + codeEditor = editor; + } + + QSize sizeHint() const { + return QSize(codeEditor->lineNumberAreaWidth(), 0); + } + + protected: + void paintEvent(QPaintEvent *event) { + codeEditor->lineNumberAreaPaintEvent(event); + } + + private: + CodeEditor *codeEditor; + }; + + + #endif |