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/*
* This file is part of the KDE project
* Copyright (C) 2007 Rafael Fernández López <[email protected]>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "dolphincategorydrawer.h"
#include <config-nepomuk.h>
#include <QPainter>
#include <QFile>
#include <QDir>
#include <QApplication>
#include <QStyleOption>
#ifdef HAVE_NEPOMUK
#include <nepomuk/kratingpainter.h>
#endif
#include <kiconloader.h>
#include <kcategorizedsortfilterproxymodel.h>
#include <qimageblitz.h>
#include <kuser.h>
#include "dolphinview.h"
#include "dolphinmodel.h"
#define HORIZONTAL_HINT 3
DolphinCategoryDrawer::DolphinCategoryDrawer()
: KCategoryDrawer()
{
}
DolphinCategoryDrawer::~DolphinCategoryDrawer()
{
}
void DolphinCategoryDrawer::drawCategory(const QModelIndex &index, int sortRole,
const QStyleOption &option, QPainter *painter) const
{
Q_UNUSED(sortRole);
painter->setRenderHint(QPainter::Antialiasing);
const QString category = index.model()->data(index, KCategorizedSortFilterProxyModel::CategoryDisplayRole).toString();
const QRect optRect = option.rect;
QFont font(QApplication::font());
font.setBold(true);
const QFontMetrics fontMetrics = QFontMetrics(font);
QColor outlineColor = option.palette.text().color();
outlineColor.setAlphaF(0.35);
//BEGIN: top left corner
{
painter->save();
painter->setPen(outlineColor);
const QPointF topLeft(optRect.topLeft());
QRectF arc(topLeft, QSizeF(4, 4));
arc.translate(0.5, 0.5);
painter->drawArc(arc, 1440, 1440);
painter->restore();
}
//END: top left corner
//BEGIN: left vertical line
{
QPoint start(optRect.topLeft());
start.ry() += 3;
QPoint verticalGradBottom(optRect.topLeft());
verticalGradBottom.ry() += fontMetrics.height() + 5;
QLinearGradient gradient(start, verticalGradBottom);
gradient.setColorAt(0, outlineColor);
gradient.setColorAt(1, Qt::transparent);
painter->fillRect(QRect(start, QSize(1, fontMetrics.height() + 5)), gradient);
}
//END: left vertical line
//BEGIN: horizontal line
{
QPoint start(optRect.topLeft());
start.rx() += 3;
QPoint horizontalGradTop(optRect.topLeft());
horizontalGradTop.rx() += optRect.width() - 6;
painter->fillRect(QRect(start, QSize(optRect.width() - 6, 1)), outlineColor);
}
//END: horizontal line
//BEGIN: top right corner
{
painter->save();
painter->setPen(outlineColor);
QPointF topRight(optRect.topRight());
topRight.rx() -= 4;
QRectF arc(topRight, QSizeF(4, 4));
arc.translate(0.5, 0.5);
painter->drawArc(arc, 0, 1440);
painter->restore();
}
//END: top right corner
//BEGIN: right vertical line
{
QPoint start(optRect.topRight());
start.ry() += 3;
QPoint verticalGradBottom(optRect.topRight());
verticalGradBottom.ry() += fontMetrics.height() + 5;
QLinearGradient gradient(start, verticalGradBottom);
gradient.setColorAt(0, outlineColor);
gradient.setColorAt(1, Qt::transparent);
painter->fillRect(QRect(start, QSize(1, fontMetrics.height() + 5)), gradient);
}
//END: right vertical line
//BEGIN: category information
{
const int iconSize = KIconLoader::global()->currentSize(KIconLoader::Small);
bool paintIcon;
QPixmap icon;
switch (index.column()) {
case KDirModel::Owner: {
paintIcon = true;
KUser user(category);
const QString faceIconPath = user.faceIconPath();
if (faceIconPath.isEmpty()) {
icon = KIconLoader::global()->loadIcon("user-identity", KIconLoader::NoGroup, iconSize);
} else {
icon = QPixmap::fromImage(QImage(faceIconPath).scaledToHeight(iconSize, Qt::SmoothTransformation));
}
}
break;
case KDirModel::Type: {
paintIcon = true;
const KCategorizedSortFilterProxyModel *proxyModel = static_cast<const KCategorizedSortFilterProxyModel*>(index.model());
const DolphinModel *model = static_cast<const DolphinModel*>(proxyModel->sourceModel());
KFileItem item = model->itemForIndex(proxyModel->mapToSource(index));
// This is the only way of getting the icon right. Others will fail on corner
// cases like the item representing this group has been set a different icon,
// so the group icon drawn is that one particularly. This way assures the drawn
// icon is the one of the mimetype of the group itself. (ereslibre)
icon = KIconLoader::global()->loadMimeTypeIcon(item.mimeTypePtr()->iconName(), KIconLoader::NoGroup, iconSize);
}
break;
default:
paintIcon = false;
}
if (paintIcon) {
QRect iconRect(option.rect);
iconRect.setTop(iconRect.top() + 4);
iconRect.setLeft(iconRect.left() + 7);
iconRect.setSize(QSize(iconSize, iconSize));
painter->drawPixmap(iconRect, icon);
}
//BEGIN: text
{
QRect textRect(option.rect);
textRect.setTop(textRect.top() + 7);
textRect.setLeft(textRect.left() + 7 + (paintIcon ? (iconSize + 6) : 0));
textRect.setHeight(qMax(fontMetrics.height(), iconSize));
textRect.setRight(textRect.right() - 7);
textRect.setBottom(textRect.bottom() - 5); // only one pixel separation here (no gradient)
painter->save();
painter->setFont(font);
QColor penColor(option.palette.text().color());
penColor.setAlphaF(0.6);
painter->setPen(penColor);
painter->drawText(textRect, Qt::AlignLeft | Qt::AlignVCenter, category);
painter->restore();
}
//END: text
}
//BEGIN: category information
}
int DolphinCategoryDrawer::categoryHeight(const QModelIndex &index, const QStyleOption &option) const
{
int iconSize = KIconLoader::global()->currentSize(KIconLoader::Small);
int heightWithoutIcon = option.fontMetrics.height() + (iconSize / 4) * 2 + 1; /* 1 pixel-width gradient */
bool paintIcon;
switch (index.column()) {
case KDirModel::Owner:
case KDirModel::Type:
paintIcon = true;
break;
default:
paintIcon = false;
}
if (paintIcon) {
return qMax(heightWithoutIcon + 5, iconSize + 1 /* 1 pixel-width gradient */
+ 5 /* top and bottom separation */);
}
return heightWithoutIcon + 5;
}
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