Re-add && Re-view tab preview popup

1 files changed, 124 insertions, 0 deletions

diff --git a/src/tabwindow/tabpreviewpopup.cpp b/src/tabwindow/tabpreviewpopup.cpp
new file mode 100644
index 00000000..2a05c414
--- /dev/null
+++ b/src/tabwindow/tabpreviewpopup.cpp
@@ -0,0 +1,124 @@
+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2011 by Vyacheslav Blinov <blinov dot vyacheslav at gmail dot com>
+* Copyright (C) 2011-2012 by Andrea Diamantini <adjam7 at gmail dot 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 "tabpreviewpopup.h"
+#include "tabpreviewpopup.moc"
+
+// Rekonq Includes
+#include "tabbar.h"
+
+// Qt Includes
+#include <QLabel>
+#include <QVBoxLayout>
+#include <QPalette>
+#include <QBitmap>
+#include <QPoint>
+#include <QPaintEvent>
+#include <QStylePainter>
+#include <QStyleOptionFrame>
+
+
+TabPreviewPopup::TabPreviewPopup(const QPixmap &pixmap, const QString &urlText, QWidget *parent)
+    : KPassivePopup(parent),
+      m_thumbLabel(new QLabel(this)),
+      m_urlLabel(new QLabel(this))
+{
+    m_thumbLabel->setAlignment(Qt::AlignHCenter);
+    m_urlLabel->setAlignment(Qt::AlignHCenter);
+
+    QVBoxLayout *vb = new QVBoxLayout(this);
+    vb->addWidget(m_thumbLabel);
+    vb->addWidget(m_urlLabel);
+    this->setLayout(vb);
+
+    layout()->setAlignment(Qt::AlignTop);
+    layout()->setMargin(0);
+
+    setPopupStyle(KPassivePopup::CustomStyle + 1);
+
+    // use ToolTip appearance
+    QPalette p;
+
+    // adjust background color to use tooltip colors
+    p.setColor(backgroundRole(), p.color(QPalette::ToolTipBase));
+    p.setColor(QPalette::Base, p.color(QPalette::ToolTipBase));
+
+    // adjust foreground color to use tooltip colors
+    p.setColor(foregroundRole(), p.color(QPalette::ToolTipText));
+    p.setColor(QPalette::Text, p.color(QPalette::ToolTipText));
+
+    setPalette(p);
+
+    // window flags and attributes
+    setWindowFlags(Qt::ToolTip);
+    setAttribute(Qt::WA_TranslucentBackground);
+    setWindowOpacity(style()->styleHint(QStyle::SH_ToolTipLabel_Opacity, 0, this) / 255.0);
+
+    // margins
+    const int margin = 1 + style()->pixelMetric(QStyle::PM_ToolTipLabelFrameWidth, 0, this);
+    setContentsMargins(margin, margin, margin, margin);
+
+    m_thumbLabel->setPixmap(pixmap);
+    m_urlLabel->setText(urlText);
+
+    setFixedSize(pixmap.width(), pixmap.height() + m_urlLabel->heightForWidth(pixmap.width()));
+}
+
+
+TabPreviewPopup::~TabPreviewPopup()
+{
+    delete m_thumbLabel;
+    delete m_urlLabel;
+}
+
+
+void TabPreviewPopup::setFixedSize(int w, int h)
+{
+    KPassivePopup::setFixedSize(w, h);
+    const int margin = 1 + style()->pixelMetric(QStyle::PM_ToolTipLabelFrameWidth, 0, this);
+    m_urlLabel->setText(m_urlLabel->fontMetrics().elidedText(m_urlLabel->text(), Qt::ElideMiddle, this->width() - margin * 2));
+
+    //calculate mask
+    QStyleOptionFrame opt;
+    opt.init(this);
+
+    QStyleHintReturnMask mask;
+    style()->styleHint(QStyle::SH_ToolTip_Mask, &opt, this, &mask);
+    setMask(mask.region);
+}
+
+
+void TabPreviewPopup::paintEvent(QPaintEvent* event)
+{
+    QStyleOptionFrame opt;
+    opt.init(this);
+
+    QStylePainter painter(this);
+    painter.setClipRegion(event->region());
+    painter.drawPrimitive(QStyle::PE_PanelTipLabel, opt);
+}