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Diffstat (limited to 'src/tabhighlighteffect.cpp')
| -rw-r--r-- | src/tabhighlighteffect.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/tabhighlighteffect.cpp b/src/tabhighlighteffect.cpp new file mode 100644 index 00000000..621263fe --- /dev/null +++ b/src/tabhighlighteffect.cpp @@ -0,0 +1,81 @@ +/* ============================================================ +* +* This file is a part of the rekonq project +* +* Copyright (C) 2011 Tröscher Johannes <fritz_van_tom@hotmail.com> +* +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License as +* published by the Free Software Foundation; either version 2 of +* the License or (at your option) version 3 or any later version +* accepted by the membership of KDE e.V. (or its successor approved +* by the membership of KDE e.V.), which shall act as a proxy +* defined in Section 14 of version 3 of the license. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program. If not, see <http://www.gnu.org/licenses/>. +* +* ============================================================ */ + +//Self Includes +#include "tabhighlighteffect.h" +#include "tabhighlighteffect.moc" + +//Qt Includes +#include <QVariant> +#include <tabbar.h> + +const QByteArray prep("hAnim"); + +TabHighlightEffect::TabHighlightEffect(TabBar *tabBar) + : QGraphicsEffect(tabBar) + , m_tabBar(tabBar) + , m_highlightColor(tabBar->palette().highlight().color().lighter()) +{ + Q_ASSERT(m_tabBar); +} + + +void TabHighlightEffect::draw(QPainter *painter) +{ + painter->drawPixmap(QPoint(0,0), sourcePixmap()); + + Q_FOREACH(const QByteArray &propertyName, dynamicPropertyNames()) + { + if (!propertyName.startsWith(prep)) + continue; + + int index = propertyName.right(propertyName.size() - prep.size()).toInt(); + qreal opacity = property(propertyName).toReal(); + QRect textRect = m_tabBar->tabTextRect(index); + + QString tabText = m_tabBar->fontMetrics().elidedText(m_tabBar->tabText(index), Qt::ElideRight, + textRect.width(), Qt::TextShowMnemonic); + + painter->setOpacity(opacity); + painter->setPen(m_highlightColor); + painter->drawText(textRect, Qt::AlignCenter | Qt::TextShowMnemonic, tabText); + } +} + +bool TabHighlightEffect::event(QEvent* event) +{ + if (event->type() == QEvent::DynamicPropertyChange) + { + QDynamicPropertyChangeEvent *pChangeEv = dynamic_cast<QDynamicPropertyChangeEvent*>(event); + + if (pChangeEv->propertyName().startsWith(prep)) + { + update(); + return true; + } + } + + return QGraphicsEffect::event(event); +}
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