File indexing completed on 2024-11-24 04:53:02

 /* Copyright (C) Roland Pallai <dap78@magex.hu>
 
    This file is part of the Trojita Qt IMAP e-mail client,
    http://trojita.flaska.net/
 
    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) version 3 or any later version
    accepted by the membership of KDE e.V. (or its successor approved
    by the membership of KDE e.V.), which shall act as a proxy
    defined in Section 14 of version 3 of the license.
 
    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, see <http://www.gnu.org/licenses/>.
 */
 
 #include "MsgItemDelegate.h"
 #include <QTreeView>
 #include "Imap/Model/ItemRoles.h"
 #include "Imap/Model/MsgListModel.h"
 #include "MsgListView.h"
 
 namespace Gui
 {
 
 MsgItemDelegate::MsgItemDelegate(QObject *parent, Imap::Mailbox::FavoriteTagsModel *m_favoriteTagsModel) :
     ColoredItemDelegate(parent), m_favoriteTagsModel(m_favoriteTagsModel)
 {
 }
 
 QColor MsgItemDelegate::itemColor(const QModelIndex &index) const
 {
     auto view = static_cast<MsgListView*>(parent());
 
     Q_ASSERT(index.isValid());
     QModelIndex sindex = index.sibling(index.row(), Imap::Mailbox::MsgListModel::SUBJECT);
     QVariant flags;
     if (!sindex.model()->hasChildren(sindex) || view->isExpanded(sindex)) {
         flags = index.data(Imap::Mailbox::RoleMessageFlags);
     } else {
         flags = index.data(Imap::Mailbox::RoleThreadAggregatedFlags);
     }
 
     return m_favoriteTagsModel->findBestColorForTags(flags.toStringList());
 }
 
 QFont MsgItemDelegate::itemFont(const QModelIndex &index) const
 {
     QFont font;
 
     Q_ASSERT(index.isValid());
 
     // We will need the data, but asking for Flags or IsMarkedXYZ doesn't cause a fetch
     index.data(Imap::Mailbox::RoleMessageSubject);
 
     // These items should definitely *not* be rendered in bold
     if (!index.data(Imap::Mailbox::RoleIsFetched).toBool())
         return font;
 
     if (index.data(Imap::Mailbox::RoleMessageIsMarkedDeleted).toBool())
         font.setStrikeOut(true);
 
     if (! index.data(Imap::Mailbox::RoleMessageIsMarkedRead).toBool()) {
         // If any message is marked as unread, show it in bold and be done with it
         font.setBold(true);
     } else if (index.model()->hasChildren(index.sibling(index.row(), 0)) &&
                index.data(Imap::Mailbox::RoleThreadRootWithUnreadMessages).toBool()) {
         // If this node is not marked as read, is a root of some thread and that thread
         // contains unread messages, display the thread's root underlined
         font.setUnderline(true);
     }
 
     if (index.column() == Imap::Mailbox::MsgListModel::SUBJECT && index.data(Imap::Mailbox::RoleMessageSubject).toString().isEmpty()) {
         font.setItalic(true);
     }
 
     return font;
 }
 
 void MsgItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
 {
     QStyleOptionViewItem viewOption(option);
     auto foregroundColor = itemColor(index);
     if (foregroundColor.isValid())
         viewOption.palette.setColor(QPalette::Text, foregroundColor);
     viewOption.font = itemFont(index);
     ColoredItemDelegate::paintWithForeground(painter, viewOption, index, foregroundColor);
 }
 
 }