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Theme Editor: Added line numbering in the text editor, thanks to some code from Nokia. Also made newly opened documents scroll to the top of the document after loading

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26683 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Robert Bieber 2010-06-08 07:57:43 +00:00
parent fa99c614b9
commit 0cc507214a
5 changed files with 250 additions and 5 deletions
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99
utils/themeeditor/codeeditor.h Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* This file has been copied from Nokia's Qt Examples, with minor modifications
* made available under the LGPL version 2.1, as the original file was licensed
*
****************************************************************************
****************************************************************************
**
** Copyright (C) 2010 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.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef CODEEDITOR_H
#define CODEEDITOR_H
#include <QPlainTextEdit>
#include <QObject>
QT_BEGIN_NAMESPACE
class QPaintEvent;
class QResizeEvent;
class QSize;
class QWidget;
QT_END_NAMESPACE
class LineNumberArea;
//![codeeditordefinition]
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 updateLineNumberArea(const QRect &, int);
private:
QWidget *lineNumberArea;
};
//![codeeditordefinition]
//![extraarea]
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;
};
//![extraarea]
#endif