+/***************************************************************************
+ * Copyright (C) 2010 by Peter Penz <peter.penz@gmx.at> *
+ * Copyright (C) 2008 by Fredrik Höglund <fredrik@kde.org> *
+ * *
+ * 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) any later version. *
+ * *
+ * 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, write to the *
+ * Free Software Foundation, Inc., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
+ ***************************************************************************/
+
+#include "filemetadatatooltip.h"
+
+#include <kcolorscheme.h>
+#include <kfilemetadatawidget.h>
+#include <kseparator.h>
+#include <kwindowsystem.h>
+
+#include <QLabel>
+#include <QPainter>
+#include <QVBoxLayout>
+
+FileMetaDataToolTip::FileMetaDataToolTip(QWidget* parent) :
+ QWidget(parent),
+ m_preview(0),
+ m_name(0),
+ m_fileMetaDataWidget(0)
+
+{
+ setAttribute(Qt::WA_TranslucentBackground);
+ setWindowFlags(Qt::ToolTip | Qt::FramelessWindowHint);
+
+ // Create widget for file preview
+ m_preview = new QLabel(this);
+
+ // Create widget for file name
+ m_name = new QLabel(this);
+ m_name->setWordWrap(true);
+ QFont font = m_name->font();
+ font.setBold(true);
+ m_name->setFont(font);
+ m_name->setAlignment(Qt::AlignHCenter);
+ m_name->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+
+ // Create widget for the meta data
+ m_fileMetaDataWidget = new KFileMetaDataWidget();
+ m_fileMetaDataWidget->setForegroundRole(QPalette::ToolTipText);
+ m_fileMetaDataWidget->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+ m_fileMetaDataWidget->setReadOnly(true);
+
+ // The stretchwidget allows the metadata widget to be top aligned and fills
+ // the remaining vertical space
+ QWidget* stretchWidget = new QWidget(this);
+ stretchWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
+
+ QWidget* textContainer = new QWidget(this);
+ QVBoxLayout* textLayout = new QVBoxLayout(textContainer);
+ textLayout->addWidget(m_name);
+ textLayout->addWidget(new KSeparator());
+ textLayout->addWidget(m_fileMetaDataWidget);
+ textLayout->addWidget(stretchWidget);
+
+ QHBoxLayout* tipLayout = new QHBoxLayout(this);
+ tipLayout->addWidget(m_preview);
+ tipLayout->addWidget(textContainer);
+}
+
+FileMetaDataToolTip::~FileMetaDataToolTip()
+{
+}
+
+void FileMetaDataToolTip::setPreview(const QPixmap& pixmap)
+{
+ m_preview->setPixmap(pixmap);
+ m_preview->setFixedSize(pixmap.size());
+}
+
+const QPixmap* FileMetaDataToolTip::preview() const
+{
+ return m_preview->pixmap();
+}
+
+void FileMetaDataToolTip::setName(const QString& name)
+{
+ m_name->setText(name);
+}
+
+QString FileMetaDataToolTip::name() const
+{
+ return m_name->text();
+}
+
+void FileMetaDataToolTip::setItems(const KFileItemList& items)
+{
+ m_fileMetaDataWidget->setItems(items);
+}
+
+KFileItemList FileMetaDataToolTip::items() const
+{
+ return m_fileMetaDataWidget->items();
+}
+
+void FileMetaDataToolTip::paintEvent(QPaintEvent* event)
+{
+ Q_UNUSED(event);
+
+ QPainter painter(this);
+
+ QColor toColor = palette().brush(QPalette::ToolTipBase).color();
+ QColor fromColor = KColorScheme::shade(toColor, KColorScheme::LightShade, 0.2);
+
+ const bool haveAlphaChannel = KWindowSystem::compositingActive();
+ if (haveAlphaChannel) {
+ painter.setRenderHint(QPainter::Antialiasing);
+ painter.translate(0.5, 0.5);
+ toColor.setAlpha(220);
+ fromColor.setAlpha(220);
+ }
+
+ QLinearGradient gradient(QPointF(0.0, 0.0), QPointF(0.0, height()));
+ gradient.setColorAt(0.0, fromColor);
+ gradient.setColorAt(1.0, toColor);
+ painter.setPen(Qt::NoPen);
+ painter.setBrush(gradient);
+
+ const QRect rect(0, 0, width(), height());
+ if (haveAlphaChannel) {
+ const qreal radius = 5.0;
+
+ QPainterPath path;
+ path.moveTo(rect.left(), rect.top() + radius);
+ arc(path, rect.left() + radius, rect.top() + radius, radius, 180, -90);
+ arc(path, rect.right() - radius, rect.top() + radius, radius, 90, -90);
+ arc(path, rect.right() - radius, rect.bottom() - radius, radius, 0, -90);
+ arc(path, rect.left() + radius, rect.bottom() - radius, radius, 270, -90);
+ path.closeSubpath();
+
+ painter.drawPath(path);
+ } else {
+ painter.drawRect(rect);
+ }
+}
+
+void FileMetaDataToolTip::arc(QPainterPath& path,
+ qreal cx, qreal cy,
+ qreal radius, qreal angle,
+ qreal sweepLength)
+{
+ path.arcTo(cx-radius, cy-radius, radius * 2, radius * 2, angle, sweepLength);
+}
+
+#include "filemetadatatooltip.moc"
projects / dolphin.git / commitdiff