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/*
* Copyright (C) 2007 Ivan Cukic <ivan.cukic+kde@gmail.com>
* Copyright (C) 2008 Daniel Nicoletti <dantti85-pk@yahoo.com.br>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library/Lesser General Public License
* version 2, or (at your option) any later version, as published by the
* Free Software Foundation
*
* 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 Library/Lesser 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 "PkAddRm_Delegate.h"
#include <cmath>
#include <QtCore/QtCore>
#include <KDebug>
#include <KIconLoader>
#include "PkAddRm_Model.h"
#define FAV_ICON_SIZE 24
#define EMBLEM_ICON_SIZE 16
#define UNIVERSAL_PADDING 6
#define FADE_LENGTH 32
#define MAIN_ICON_SIZE 48
#define DROPDOWN_PADDING 2
#define DROPDOWN_SEPARATOR_HEIGHT 32
PkAddRmDelegate::PkAddRmDelegate(QObject * parent)
: QItemDelegate(parent), m_favoriteIcon("bookmarks"),
m_favoriteAddIcon("list-add"), m_removeIcon("list-remove")/*,
m_onFavoriteIconItem(NULL)*/
{
// m_parent = (PkAddRm *) parent;
}
void PkAddRmDelegate::paint(QPainter *painter,
const QStyleOptionViewItem &option, const QModelIndex &index) const
{
// index.model()->data(index, Qt::EditRole).toInt();
// KCategorizedItemsViewModels::AbstractItem * item =
// getItemByProxyIndex(index);
// if (!item) return;
QStyleOptionViewItemV4 opt(option);
QStyle *style = opt.widget ? opt.widget->style() : QApplication::style();
style->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, opt.widget);
switch (index.column()) {
case 0:
paintColMain(painter, option, index);
break;
case 1:
paintColFav(painter, option, index);
break;
// case 2:
// paintColRemove(painter, option, index);
// break;
default:
kDebug() << "unexpected column";
}
}
void PkAddRmDelegate::paintColMain(QPainter *painter,
const QStyleOptionViewItem &option, const QModelIndex &index) const
{
int left = option.rect.left();
int top = option.rect.top();
int width = option.rect.width();
bool leftToRight = (painter->layoutDirection() == Qt::LeftToRight);
// selects the mode to paint the icon based on the info field
QIcon::Mode iconMode = ( index.model()->data(index, PkAddRmModel::InstalledRole).toBool() ? QIcon::Normal : QIcon::Disabled);
// if ( index.model()->data(index, PkAddRmModel::InstalledRole).toBool() )
// QIcon::Mode iconMode = QIcon::Normal;
// else
// QIcon::Mode iconMode = QIcon::Disabled;
QColor foregroundColor = (option.state.testFlag(QStyle::State_Selected))?
option.palette.color(QPalette::HighlightedText):option.palette.color(QPalette::Text);
// Painting main column
QStyleOptionViewItem local_option_title(option);
QStyleOptionViewItem local_option_normal(option);
local_option_title.font.setBold(true);
local_option_title.font.setPointSize(local_option_title.font.pointSize() + 2);
QPixmap pixmap(option.rect.size());
pixmap.fill(Qt::transparent);
QPainter p(&pixmap);
p.translate(-option.rect.topLeft());
QLinearGradient gradient;
// Easier to ask the model for the data
QString title = index.model()->data(index, Qt::DisplayRole).toString();
QString description = index.model()->data(index, PkAddRmModel::SummaryRole).toString();
// Painting
// Text
int textInner = 2 * UNIVERSAL_PADDING + MAIN_ICON_SIZE;
p.setPen(foregroundColor);
p.setFont(local_option_title.font);
p.drawText(
left + (leftToRight ? textInner : 0),
top + UNIVERSAL_PADDING,
width - textInner, MAIN_ICON_SIZE / 2,
Qt::AlignBottom | Qt::AlignLeft, title);
p.setFont(local_option_normal.font);
p.drawText(
left + (leftToRight ? textInner : 0),
top + UNIVERSAL_PADDING + MAIN_ICON_SIZE / 2,
width - textInner, MAIN_ICON_SIZE / 2,
Qt::AlignTop | Qt::AlignLeft, description);
// Main icon
index.model()->data(index, Qt::DecorationRole).value<QIcon>().paint(&p,
leftToRight ? left + UNIVERSAL_PADDING : left + width - UNIVERSAL_PADDING - MAIN_ICON_SIZE,
top + UNIVERSAL_PADDING,
MAIN_ICON_SIZE, MAIN_ICON_SIZE, Qt::AlignCenter, iconMode);
// Counting the number of emblems for this item
int emblemCount = 0;
// QPair < Filter, QIcon * > emblem;
// foreach (emblem, m_parent->m_emblems) {
// if (item->passesFiltering(emblem.first)) ++emblemCount;
// }
// Gradient part of the background - fading of the text at the end
if (leftToRight) {
gradient = QLinearGradient(left + width - UNIVERSAL_PADDING - FADE_LENGTH, 0,
left + width - UNIVERSAL_PADDING, 0);
gradient.setColorAt(0, Qt::white);
gradient.setColorAt(1, Qt::transparent);
} else {
gradient = QLinearGradient(left + UNIVERSAL_PADDING, 0,
left + UNIVERSAL_PADDING + FADE_LENGTH, 0);
gradient.setColorAt(0, Qt::transparent);
gradient.setColorAt(1, Qt::white);
}
QRect paintRect = option.rect;
p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
p.fillRect(paintRect, gradient);
if (leftToRight) {
gradient.setStart(left + width
- emblemCount * (UNIVERSAL_PADDING + EMBLEM_ICON_SIZE) - FADE_LENGTH, 0);
gradient.setFinalStop(left + width
- emblemCount * (UNIVERSAL_PADDING + EMBLEM_ICON_SIZE), 0);
} else {
gradient.setStart(left + UNIVERSAL_PADDING
+ emblemCount * (UNIVERSAL_PADDING + EMBLEM_ICON_SIZE), 0);
gradient.setFinalStop(left + UNIVERSAL_PADDING
+ emblemCount * (UNIVERSAL_PADDING + EMBLEM_ICON_SIZE) + FADE_LENGTH, 0);
}
paintRect.setHeight(UNIVERSAL_PADDING + MAIN_ICON_SIZE / 2);
p.fillRect(paintRect, gradient);
// Emblems icons
p.setCompositionMode(QPainter::CompositionMode_SourceOver);
// int emblemLeft = leftToRight ? (left + width - EMBLEM_ICON_SIZE) : left; // - FAV_ICON_SIZE - 2 * UNIVERSAL_PADDING
// foreach (emblem, m_parent->m_emblems) {
// if (item->passesFiltering(emblem.first)) {
// emblem.second->paint(&p,
// emblemLeft, top + UNIVERSAL_PADDING,
// EMBLEM_ICON_SIZE, EMBLEM_ICON_SIZE, Qt::AlignCenter, iconMode);
// if (leftToRight) {
// emblemLeft -= UNIVERSAL_PADDING + EMBLEM_ICON_SIZE;
// } else {
// emblemLeft += UNIVERSAL_PADDING + EMBLEM_ICON_SIZE;
// }
// }
// }
p.end();
painter->drawPixmap(option.rect.topLeft(), pixmap);
}
void PkAddRmDelegate::paintColFav(QPainter *painter,
const QStyleOptionViewItem &option, const QModelIndex &index) const
{
// int left = option.rect.left();
// int top = option.rect.top();
// int width = option.rect.width();
//
// // Painting favorite icon column
//
// if (! (option.state & QStyle::State_MouseOver) && m_onFavoriteIconItem == item)
// m_onFavoriteIconItem = NULL;
//
// QIcon::Mode iconMode = QIcon::Normal;
// if (!item->isFavorite()) {
// iconMode = QIcon::Disabled;
// } else if (option.state & QStyle::State_MouseOver) {
// iconMode = QIcon::Active;
// }
//
// m_favoriteIcon.paint(painter,
// left + width - FAV_ICON_SIZE - UNIVERSAL_PADDING, top + UNIVERSAL_PADDING,
// FAV_ICON_SIZE, FAV_ICON_SIZE, Qt::AlignCenter, iconMode);
//
// const KIcon * icon = (item->isFavorite())? & m_removeIcon : & m_favoriteAddIcon;
//
// if ((option.state & QStyle::State_MouseOver) && (m_onFavoriteIconItem != item))
// icon->paint(painter,
// left + width - EMBLEM_ICON_SIZE - UNIVERSAL_PADDING, top + UNIVERSAL_PADDING,
// EMBLEM_ICON_SIZE, EMBLEM_ICON_SIZE, Qt::AlignCenter, iconMode);
}
// void PkAddRmDelegate::paintColRemove(QPainter *painter,
// const QStyleOptionViewItem &option, const QModelIndex &index) const
// {
// // Painting remove icon column
// int running = item->running();
// if (!running) {
// return;
// }
//
// int left = option.rect.left();
// int top = option.rect.top();
// int width = option.rect.width();
//
// QIcon::Mode iconMode = QIcon::Normal;
// if (option.state & QStyle::State_MouseOver) {
// iconMode = QIcon::Active;
// }
//
// m_removeIcon.paint(painter,
// left + width - FAV_ICON_SIZE - UNIVERSAL_PADDING, top + UNIVERSAL_PADDING,
// FAV_ICON_SIZE, FAV_ICON_SIZE, Qt::AlignCenter, iconMode);
//
// if (running == 1) {
// return;
// }
// //paint number
// QColor foregroundColor = (option.state.testFlag(QStyle::State_Selected))?
// option.palette.color(QPalette::HighlightedText):option.palette.color(QPalette::Text);
// painter->setPen(foregroundColor);
// painter->setFont(option.font);
// painter->drawText(
// left + UNIVERSAL_PADDING, //FIXME might be wrong
// top + UNIVERSAL_PADDING + MAIN_ICON_SIZE / 2,
// width - 2 * UNIVERSAL_PADDING, MAIN_ICON_SIZE / 2,
// Qt::AlignCenter, QString::number(running));
// }
// bool PkAddRmDelegate::editorEvent(QEvent *event,
// QAbstractItemModel *model,
// const QStyleOptionViewItem &option,
// const QModelIndex &index)
// {
// if (event->type() == QEvent::MouseButtonPress) {
// KCategorizedItemsViewModels::AbstractItem * item = getItemByProxyIndex(index);
// if (index.column() == 1) {
// m_onFavoriteIconItem = item;
// item->setFavorite(!item->isFavorite());
// return true;
// } else if (index.column() == 2 && item->running()) {
// item->setRunning(0);
// emit destroyApplets(item->name());
// return true;
// }
// }
//
// return QItemDelegate::editorEvent(event, model, option, index);
// }
QSize PkAddRmDelegate::sizeHint(const QStyleOptionViewItem &option,
const QModelIndex &index ) const
{
Q_UNUSED(option);
//Q_UNUSED(index);
int width = (index.column() == 0) ? 0 : FAV_ICON_SIZE;
return QSize(width, MAIN_ICON_SIZE + 2 * UNIVERSAL_PADDING);
}
int PkAddRmDelegate::columnWidth (int column, int viewWidth) const {
if (column != 0) {
return FAV_ICON_SIZE + 2 * UNIVERSAL_PADDING;
} else return viewWidth - 2 * columnWidth(1, viewWidth);
}
#include "PkAddRm_Delegate.moc"
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