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* Copyright (C) 2007 Ivan Cukic <ivan.cukic+kde@gmail.com>
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* Copyright (C) 2008 Daniel Nicoletti <dantti85-pk@yahoo.com.br>
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* Copyright (C) 2010-2012 Jonathan Thomas <echidnaman@kubuntu.org>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library/Lesser General Public License
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* version 2, or (at your option) any later version, as published by the
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* Free Software Foundation
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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* You should have received a copy of the GNU Library/Lesser General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#include "ResourceDelegate.h"
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#include <QApplication>
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#include <QAbstractItemView>
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#include <QtWidgets/QPushButton>
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#include <QtWidgets/QTreeView>
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#include <KApplication>
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#include <KIconLoader>
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#include <KLocalizedString>
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#include <KStandardDirs>
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#include <Nepomuk/KRatingPainter>
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#include <Transaction/TransactionModel.h>
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#include <resources/AbstractResource.h>
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#include <resources/ResourcesModel.h>
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#include "ResourceExtender.h"
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#define FAV_ICON_SIZE 24
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#define EMBLEM_ICON_SIZE 8
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#define UNIVERSAL_PADDING 4
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#define MAIN_ICON_SIZE 32
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ResourceDelegate::ResourceDelegate(QAbstractItemView *parent)
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: KExtendableItemDelegate(parent),
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m_showInfoButton(true)
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QPushButton button, button2;
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QIcon icon(QIcon::fromTheme("edit-delete"));
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button.setText(i18n("Install"));
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button2.setText(i18n("Remove"));
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button2.setIcon(icon);
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m_buttonSize = button.sizeHint();
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int width = qMax(button.sizeHint().width(), button2.sizeHint().width());
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width = qMax(width, button2.sizeHint().width());
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m_buttonSize.setWidth(width);
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m_emblem = QIcon::fromTheme("dialog-ok").pixmap(QSize(16, 16));
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m_ratingPainter = new KRatingPainter;
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void ResourceDelegate::paint(QPainter *painter,
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const QStyleOptionViewItem &option,
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const QModelIndex &index) const
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if (!index.isValid()) {
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bool leftToRight = (painter->layoutDirection() == Qt::LeftToRight);
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QStyleOptionViewItemV4 opt(option);
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QStyle *style = opt.widget ? opt.widget->style() : QApplication::style();
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style->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, opt.widget);
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KExtendableItemDelegate::paint(painter, opt, index);
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opt.rect.setLeft(option.rect.left() + UNIVERSAL_PADDING);
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leftCount = opt.rect.left() + UNIVERSAL_PADDING;
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opt.rect.setRight(option.rect.right() - UNIVERSAL_PADDING);
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leftCount = opt.rect.width() - (UNIVERSAL_PADDING + MAIN_ICON_SIZE);
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int left = opt.rect.left();
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int top = opt.rect.top();
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int width = opt.rect.width();
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QRect rect = opt.rect;
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rect.setLeft(left + width - (m_buttonSize.width() + UNIVERSAL_PADDING));
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width -= m_buttonSize.width() + UNIVERSAL_PADDING;
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rect.setLeft(left + UNIVERSAL_PADDING);
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left += m_buttonSize.width() + UNIVERSAL_PADDING;
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// Calculate the top of the ratings widget which is the item height - the widget height size divided by 2
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// this give us a little value which is the top and bottom margin
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rect.setTop(rect.top() + ((calcItemHeight(option) - m_buttonSize.height()) / 2));
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rect.setSize(m_buttonSize); // the width and height sizes of the button
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bool transactionActive = index.data(ResourcesModel::ActiveRole).toBool();
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if (!transactionActive) {
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int rating = index.data(ResourcesModel::RatingRole).toInt();
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m_ratingPainter->paint(painter, rect, rating);
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TransactionModel *transModel = TransactionModel::global();
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AbstractResource* res = qobject_cast<AbstractResource*>( index.data(ResourcesModel::ApplicationRole).value<QObject*>());
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Transaction *trans = transModel->transactionFromResource(res);
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QModelIndex transIndex = transModel->indexOf(trans);
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QStyleOptionProgressBar progressBarOption;
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progressBarOption.rect = rect;
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progressBarOption.minimum = 0;
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progressBarOption.maximum = 100;
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progressBarOption.progress = transIndex.data(TransactionModel::ProgressRole).toInt();
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progressBarOption.text = transIndex.data(TransactionModel::StatusTextRole).toString();
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progressBarOption.textVisible = true;
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KApplication::style()->drawControl(QStyle::CE_ProgressBar, &progressBarOption, painter);
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// selects the mode to paint the icon based on the info field
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QIcon::Mode iconMode = QIcon::Normal;
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if (option.state & QStyle::State_MouseOver) {
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iconMode = QIcon::Active;
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QColor foregroundColor = (option.state.testFlag(QStyle::State_Selected))?
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option.palette.color(QPalette::HighlightedText):option.palette.color(QPalette::Text);
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// Painting main column
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QStyleOptionViewItem local_option_title(option);
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QStyleOptionViewItem local_option_normal(option);
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local_option_normal.font.setPointSize(local_option_normal.font.pointSize() - 1);
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QPixmap pixmap(option.rect.size());
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pixmap.fill(Qt::transparent);
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p.translate(-option.rect.topLeft());
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QIcon icon = QIcon::fromTheme(index.data(ResourcesModel::IconRole).toString());
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int iconSize = calcItemHeight(option) - 2 * UNIVERSAL_PADDING;
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top + UNIVERSAL_PADDING,
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if (index.data(ResourcesModel::InstalledRole).toBool()) {
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p.drawPixmap(leftCount, top + rect.height() - m_emblem.height()/2, m_emblem);
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leftCount += iconSize + UNIVERSAL_PADDING;
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textWidth = width - (leftCount - left);
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leftCount -= UNIVERSAL_PADDING;
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textWidth = leftCount - left;
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const int itemHeight = calcItemHeight(option);
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p.setPen(foregroundColor);
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int topTextHeight = QFontInfo(local_option_title.font).pixelSize();
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p.setFont(local_option_title.font);
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p.drawText(leftCount,
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topTextHeight + UNIVERSAL_PADDING,
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Qt::AlignVCenter | Qt::AlignLeft,
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index.data(ResourcesModel::NameRole).toString());
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// draw the bottom line
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iconSize = topTextHeight + UNIVERSAL_PADDING;
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// store the original opacity
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qreal opa = p.opacity();
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if (!(option.state & QStyle::State_MouseOver) && !(option.state & QStyle::State_Selected)) {
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p.setOpacity(opa / 2.5);
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p.setFont(local_option_normal.font);
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p.drawText(leftToRight ? leftCount + 0.5*iconSize: left - UNIVERSAL_PADDING,
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top + itemHeight / 2,
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textWidth - iconSize,
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QFontInfo(local_option_normal.font).pixelSize() + UNIVERSAL_PADDING,
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Qt::AlignTop | Qt::AlignLeft,
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index.data(ResourcesModel::CommentRole).toString());
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painter->drawPixmap(option.rect.topLeft(), pixmap);
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int ResourceDelegate::calcItemHeight(const QStyleOptionViewItem &option) const
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// Painting main column
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QStyleOptionViewItem local_option_title(option);
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QStyleOptionViewItem local_option_normal(option);
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local_option_normal.font.setPointSize(local_option_normal.font.pointSize() - 1);
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int textHeight = QFontInfo(local_option_title.font).pixelSize() + QFontInfo(local_option_normal.font).pixelSize();
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return textHeight + 3 * UNIVERSAL_PADDING;
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bool ResourceDelegate::editorEvent(QEvent *event,
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QAbstractItemModel *model,
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const QStyleOptionViewItem &option,
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const QModelIndex &index)
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if (event->type() == QEvent::MouseButtonRelease) {
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itemActivated(index);
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return KExtendableItemDelegate::editorEvent(event, model, option, index);
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QSize ResourceDelegate::sizeHint(const QStyleOptionViewItem &option,
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const QModelIndex &index ) const
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int width = (index.column() == 0) ? index.data(Qt::SizeHintRole).toSize().width() : FAV_ICON_SIZE + 2 * UNIVERSAL_PADDING;
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QSize ret(KExtendableItemDelegate::sizeHint(option, index));
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// remove the default size of the index
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ret -= QStyledItemDelegate::sizeHint(option, index);
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ret.rheight() += calcItemHeight(option);
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ret.rwidth() += width;
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void ResourceDelegate::itemActivated(QModelIndex index)
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if ((index == m_oldIndex && isExtended(index))) {
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if (isExtended(m_oldIndex)) {
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disconnect(m_extender, SIGNAL(infoButtonClicked(AbstractResource*)),
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this, SIGNAL(infoButtonClicked(AbstractResource*)));
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contractItem(m_oldIndex);
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m_extender->deleteLater();
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QVariant appVarient = static_cast<const QAbstractItemModel*>(index.model())->data(index, ResourcesModel::ApplicationRole);
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AbstractResource *app = qobject_cast<AbstractResource*>(appVarient.value<QObject*>());
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QTreeView *view = static_cast<QTreeView*>(parent());
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m_extender = new ResourceExtender(view, app);
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m_extender->setShowInfoButton(m_showInfoButton);
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connect(m_extender, SIGNAL(infoButtonClicked(AbstractResource*)),
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this, SIGNAL(infoButtonClicked(AbstractResource*)));
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extendItem(m_extender, index);
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void ResourceDelegate::invalidate()
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// If only contractAll was a Q_SLOT...
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void ResourceDelegate::setShowInfoButton(bool show)
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m_showInfoButton = show;
added
removed
installer/ResourceView/ResourceDelegate.cpp
