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/* ============================================================
*
* 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"
// Rekonq Includes
#include "webtab.h"
#include "tabbar.h"
#include "application.h"
#include "mainwindow.h"
//Qt Includes
#include <QLabel>
#include <QVBoxLayout>
#include <QPalette>
#include <QBitmap>
#include <QPoint>
#include <QPaintEvent>
#include <QStylePainter>
#include <QStyleOptionFrame>
TabPreviewPopup::TabPreviewPopup(WebTab* tab, QWidget* parent)
: KPassivePopup(parent),
m_thumbnail(new QLabel(this)),
m_url(new QLabel(this))
{
m_thumbnail->setAlignment(Qt::AlignHCenter);
m_url->setAlignment(Qt::AlignHCenter);
QVBoxLayout *vb = new QVBoxLayout(this);
vb->addWidget(m_thumbnail);
vb->addWidget(m_url);
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);
setWebTab(tab);
}
TabPreviewPopup::~TabPreviewPopup()
{
delete m_thumbnail;
delete m_url;
}
void TabPreviewPopup::setWebTab(WebTab* tab)
{
int w = (tab->parentWidget()->sizeHint().width() / TabBar::baseWidthDivisor);
int h = w * rApp->mainWindow()->size().height() / rApp->mainWindow()->size().width();
const QPixmap preview = tab->tabPreview(w, h);
if (!preview.isNull())
{
setThumbnail(preview);
setUrl(tab->url().prettyUrl());
setFixedSize(preview.width(), preview.height() + m_url->heightForWidth(preview.width()));
}
}
void TabPreviewPopup::setThumbnail(const QPixmap& pixmap)
{
m_thumbnail->setPixmap(pixmap);
}
void TabPreviewPopup::setUrl(const QString& text)
{
m_url->setText(text);
}
void TabPreviewPopup::setFixedSize(int w, int h)
{
KPassivePopup::setFixedSize(w, h);
const int margin = 1 + style()->pixelMetric(QStyle::PM_ToolTipLabelFrameWidth, 0, this);
m_url->setText(m_url->fontMetrics().elidedText(m_url->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);
}
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