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Diffstat (limited to 'src/tooltips/filemetadatatooltip.cpp')
| -rw-r--r-- | src/tooltips/filemetadatatooltip.cpp | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/tooltips/filemetadatatooltip.cpp b/src/tooltips/filemetadatatooltip.cpp new file mode 100644 index 000000000..160a34f33 --- /dev/null +++ b/src/tooltips/filemetadatatooltip.cpp @@ -0,0 +1,161 @@ +/*************************************************************************** + * Copyright (C) 2010 by Peter Penz <[email protected]> * + * Copyright (C) 2008 by Fredrik Höglund <[email protected]> * + * * + * 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" |