Highlights inactive tabs if title changes.

Fantastic patch by Johannes Troscher.

Reviewed by benjaminp (mainly) and adjam

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);
+}
\ No newline at end of file