File indexing completed on 2024-12-08 04:34:09

 /*
    SPDX-FileCopyrightText: 2020 David Faure <faure@kde.org>
 
    SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "channellistdelegate.h"
 #include "colorsandmessageviewstyle.h"
 #include "common/delegatepaintutil.h"
 #include "config-ruqola.h"
 #include "misc/avatarcachemanager.h"
 #include "model/roommodel.h"
 #include "rocketchataccount.h"
 
 #include <KColorScheme>
 #include <QPainter>
 
 namespace
 {
 constexpr uint padding = 2;
 }
 
 ChannelListDelegate::ChannelListDelegate(QObject *parent)
     : QItemDelegate(parent)
     , mAvatarCacheManager(new AvatarCacheManager(Utils::AvatarType::Room, this))
 {
 }
 
 ChannelListDelegate::~ChannelListDelegate() = default;
 
 void ChannelListDelegate::setCurrentRocketChatAccount(RocketChatAccount *currentRocketChatAccount)
 {
     mAvatarCacheManager->setCurrentRocketChatAccount(currentRocketChatAccount);
     mRocketChatAccount = currentRocketChatAccount;
 }
 
 void ChannelListDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
 {
     // [M] <avatar> [M] <icon> [M] <name>       <(nr_unread)> [M]    ([M] = margin)
     constexpr int extraMargins = 2 * padding;
     const auto isHeader = !index.parent().isValid();
     const int iconSize = isHeader ? 0 : option.widget->style()->pixelMetric(QStyle::PM_ButtonIconSize);
     const int margin = DelegatePaintUtil::margin();
     int offsetAvatarRoom = 0;
     const bool showRoomAvatar = mRocketChatAccount ? mRocketChatAccount->ownUserPreferences().showRoomAvatar() : false;
     if (!isHeader && showRoomAvatar) {
         offsetAvatarRoom = margin + option.rect.height() - extraMargins; // Icon will be draw with option.rect.height() - 2 * padding as size.
     }
     const QRect decorationRect(option.rect.x() + margin + offsetAvatarRoom, option.rect.y() + padding, iconSize, option.rect.height() - extraMargins);
     const QString text = index.data(Qt::DisplayRole).toString();
     // const QSize textSize = option.fontMetrics.size(Qt::TextSingleLine, text);
     const QString unreadText = isHeader ? QString() : makeUnreadText(index);
     const QSize unreadSize = !unreadText.isEmpty() ? option.fontMetrics.size(Qt::TextSingleLine, unreadText) : QSize(0, 0);
     const int xText = offsetAvatarRoom + option.rect.x() + iconSize + (isHeader ? 1 : 2) * margin;
     const QRect displayRect(xText, option.rect.y() + padding, option.rect.width() - xText - unreadSize.width() - margin, option.rect.height() - extraMargins);
     const QRect unreadRect(option.rect.width() - unreadSize.width() - margin,
                            option.rect.y() + padding,
                            unreadSize.width(),
                            option.rect.height() - extraMargins);
 
     QStyleOptionViewItem optionCopy = option;
     optionCopy.showDecorationSelected = true;
     drawBackground(painter, optionCopy, index);
 
     if (!isHeader) {
         const auto icon = index.data(Qt::DecorationRole).value<QIcon>();
         icon.paint(painter, decorationRect, Qt::AlignCenter);
         if (showRoomAvatar) {
             const auto avatarInfo = index.data(RoomModel::RoomAvatarInfo).value<Utils::AvatarInfo>();
             if (avatarInfo.isValid()) {
                 const QPixmap pix = mAvatarCacheManager->makeAvatarPixmap(option.widget, avatarInfo, option.rect.height() - extraMargins);
 #if USE_ROUNDED_RECT_PIXMAP
                 const QPointF pos(margin, option.rect.top() + padding);
                 DelegatePaintUtil::createClipRoundedRectangle(painter, QRectF(pos, pix.size()), pos, pix);
 #else
                 painter->drawPixmap(margin, option.rect.top() + padding, pix);
 #endif
             }
         }
     }
 
     if (!(unreadText.isEmpty() && !index.data(RoomModel::RoomAlert).toBool())) {
         if (!index.data(RoomModel::HideBadgeForMention).toBool()) {
             optionCopy.palette.setBrush(QPalette::Text, optionCopy.palette.brush(QPalette::Link));
             if (option.state & QStyle::State_Selected) {
                 optionCopy.palette.setBrush(QPalette::Text, optionCopy.palette.brush(QPalette::HighlightedText));
             }
         }
     } else {
         if (option.state & QStyle::State_Selected) {
             optionCopy.palette.setBrush(QPalette::Text, optionCopy.palette.brush(QPalette::LinkVisited));
         }
         if (index.data(RoomModel::UserOffline).toBool()) {
             optionCopy.palette.setBrush(QPalette::Text, ColorsAndMessageViewStyle::self().schemeView().foreground(KColorScheme::InactiveText).color());
         }
     }
     drawDisplay(painter, optionCopy, displayRect, text); // this takes care of eliding if the text is too long
     if (!isHeader) {
         painter->setPen(ColorsAndMessageViewStyle::self().schemeView().foreground(KColorScheme::NegativeText).color());
         painter->drawText(unreadRect, unreadText);
     }
 }
 
 QString ChannelListDelegate::makeUnreadText(const QModelIndex &index) const
 {
     const bool hideBadgeForMention = index.data(RoomModel::HideBadgeForMention).toBool();
     if (hideBadgeForMention) {
         return QString();
     }
     const int unreadCount = index.data(RoomModel::RoomUnread).toInt();
     const QString unreadText = unreadCount > 0 ? QStringLiteral("(%1)").arg(unreadCount) : QString();
     const int userMentionsCount = index.data(RoomModel::RoomUserMentions).toInt();
     return (userMentionsCount > 0) ? QLatin1Char('@') + unreadText : unreadText;
 }
 
 QSize ChannelListDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
 {
     constexpr int extraMargins = 2 * padding;
     return QItemDelegate::sizeHint(option, index) + QSize(0, extraMargins);
 }
 
 #include "moc_channellistdelegate.cpp"