forked from qt-creator/qt-creator
Initial import
This commit is contained in:
102
src/plugins/vcsbase/baseannotationhighlighter.cpp
Normal file
102
src/plugins/vcsbase/baseannotationhighlighter.cpp
Normal file
@@ -0,0 +1,102 @@
|
||||
/***************************************************************************
|
||||
**
|
||||
** This file is part of Qt Creator
|
||||
**
|
||||
** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
|
||||
**
|
||||
** Contact: Qt Software Information (qt-info@nokia.com)
|
||||
**
|
||||
**
|
||||
** Non-Open Source Usage
|
||||
**
|
||||
** Licensees may use this file in accordance with the Qt Beta Version
|
||||
** License Agreement, Agreement version 2.2 provided with the Software or,
|
||||
** alternatively, in accordance with the terms contained in a written
|
||||
** agreement between you and Nokia.
|
||||
**
|
||||
** GNU General Public License Usage
|
||||
**
|
||||
** Alternatively, this file may be used under the terms of the GNU General
|
||||
** Public License versions 2.0 or 3.0 as published by the Free Software
|
||||
** Foundation and appearing in the file LICENSE.GPL included in the packaging
|
||||
** of this file. Please review the following information to ensure GNU
|
||||
** General Public Licensing requirements will be met:
|
||||
**
|
||||
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
|
||||
** http://www.gnu.org/copyleft/gpl.html.
|
||||
**
|
||||
** In addition, as a special exception, Nokia gives you certain additional
|
||||
** rights. These rights are described in the Nokia Qt GPL Exception version
|
||||
** 1.2, included in the file GPL_EXCEPTION.txt in this package.
|
||||
**
|
||||
***************************************************************************/
|
||||
#include "baseannotationhighlighter.h"
|
||||
|
||||
#include <math.h>
|
||||
#include <QtCore/QSet>
|
||||
#include <QtCore/QDebug>
|
||||
#include <QtGui/QColor>
|
||||
#include <QtGui/QTextDocument>
|
||||
#include <QtGui/QTextEdit>
|
||||
#include <QtGui/QTextCharFormat>
|
||||
|
||||
typedef QMap<QString, QTextCharFormat> ChangeNumberFormatMap;
|
||||
|
||||
namespace VCSBase {
|
||||
|
||||
struct BaseAnnotationHighlighterPrivate {
|
||||
ChangeNumberFormatMap m_changeNumberMap;
|
||||
};
|
||||
|
||||
BaseAnnotationHighlighter::BaseAnnotationHighlighter(const ChangeNumbers &changeNumbers,
|
||||
QTextDocument *document) :
|
||||
QSyntaxHighlighter(document),
|
||||
m_d(new BaseAnnotationHighlighterPrivate)
|
||||
{
|
||||
setChangeNumbers(changeNumbers);
|
||||
}
|
||||
|
||||
BaseAnnotationHighlighter::~BaseAnnotationHighlighter()
|
||||
{
|
||||
delete m_d;
|
||||
}
|
||||
|
||||
void BaseAnnotationHighlighter::setChangeNumbers(const ChangeNumbers &changeNumbers)
|
||||
{
|
||||
m_d->m_changeNumberMap.clear();
|
||||
if (!changeNumbers.isEmpty()) {
|
||||
// Assign a color gradient to annotation change numbers. Give
|
||||
// each change number a unique color.
|
||||
const double oneThird = 1.0 / 3.0;
|
||||
const int step = qRound(ceil(pow(changeNumbers.count(), oneThird)));
|
||||
QList<QColor> colors;
|
||||
const int factor = 255 / step;
|
||||
for (int i=0; i<step; ++i)
|
||||
for (int j=0; j<step; ++j)
|
||||
for (int k=0; k<step; ++k)
|
||||
colors.append(QColor(i*factor, j*factor, k*factor));
|
||||
|
||||
int m = 0;
|
||||
const int cstep = colors.count() / changeNumbers.count();
|
||||
const ChangeNumbers::const_iterator cend = changeNumbers.constEnd();
|
||||
for (ChangeNumbers::const_iterator it = changeNumbers.constBegin(); it != cend; ++it) {
|
||||
QTextCharFormat format;
|
||||
format.setForeground(colors.at(m));
|
||||
m_d->m_changeNumberMap.insert(*it, format);
|
||||
m += cstep;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void BaseAnnotationHighlighter::highlightBlock(const QString &text)
|
||||
{
|
||||
if (text.isEmpty() || m_d->m_changeNumberMap.empty())
|
||||
return;
|
||||
const QString change = changeNumber(text);
|
||||
const ChangeNumberFormatMap::const_iterator it = m_d->m_changeNumberMap.constFind(change);
|
||||
if (it != m_d->m_changeNumberMap.constEnd())
|
||||
setFormat(0, text.length(), it.value());
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user