void MailTreeDelegate::updateEditorGeometry (QWidget *editor,
const QStyleOptionViewItem& option, const QModelIndex& index) const
{
auto height = GetSubjectFont (index, option).second.height ();
qobject_cast<QToolBar*> (editor)->setIconSize ({ height, height });
editor->setMaximumSize (option.rect.size ());
editor->move (option.rect.topRight () - QPoint { editor->width (), 0 });
}
void MailTreeDelegate::updateEditorGeometry (QWidget *editor,
const QStyleOptionViewItem& option, const QModelIndex& index) const
{
const auto& subjFM = GetSubjectFont (index, option).second;
auto height = subjFM.boundingRect (GetString (index, MailModel::Column::Subject)).height ();
qobject_cast<QToolBar*> (editor)->setIconSize ({ height, height });
editor->setMaximumSize (option.rect.size ());
editor->move (option.rect.topRight () - QPoint { editor->width (), 0 });
}
QSize MailTreeDelegate::sizeHint (const QStyleOptionViewItem& option, const QModelIndex& index) const
{
const auto& subjFontInfo = GetSubjectFont (index, option);
const QFontMetrics plainFM { option.font };
const auto width = View_->viewport ()->width ();
const auto height = 2 * Padding +
subjFontInfo.second.boundingRect (GetString (index, MailModel::Column::Subject)).height () +
plainFM.boundingRect (GetString (index, MailModel::Column::From)).height ();
return { width, height };
}
void MailTreeDelegate::paint (QPainter *painter,
const QStyleOptionViewItem& stockItem, const QModelIndex& index) const
{
const bool isEnabled = index.flags () & Qt::ItemIsEnabled;
QStyleOptionViewItemV4 option { stockItem };
if (!isEnabled)
option.font.setStrikeOut (true);
const auto style = GetStyle (option);
painter->save ();
style->drawPrimitive (QStyle::PE_PanelItemViewItem, &option, painter, option.widget);
if (option.state & QStyle::State_Selected)
painter->setPen (option.palette.color (QPalette::HighlightedText));
if (Mode_ == MailListMode::MultiSelect)
DrawCheckbox (painter, style, option, index);
const auto& subject = GetString (index, MailModel::Column::Subject);
const auto& subjFontInfo = GetSubjectFont (index, option);
const auto subjHeight = subjFontInfo.second.boundingRect (subject).height ();
auto y = option.rect.top () + subjHeight;
const auto actionsWidth = GetActionsBarWidth (index, option, subjHeight);
painter->setFont (subjFontInfo.first);
painter->drawText (option.rect.left (),
y,
subjFontInfo.second.elidedText (subject, Qt::ElideRight,
option.rect.width () - actionsWidth));
const QFontMetrics fontFM { option.font };
auto stringHeight = [&fontFM] (const QString& str)
{
return fontFM.boundingRect (str).height ();
};
auto from = GetString (index, MailModel::Column::From);
if (const auto childrenCount = index.data (MailModel::MailRole::TotalChildrenCount).toInt ())
{
from += " (";
if (const auto unread = index.data (MailModel::MailRole::UnreadChildrenCount).toInt ())
from += QString::number (unread) + "/";
from += QString::number (childrenCount) + ")";
}
const auto& date = GetString (index, MailModel::Column::Date);
y += std::max ({ stringHeight (from), stringHeight (date) });
painter->setFont (option.font);
const auto dateWidth = fontFM.boundingRect (date).width ();
painter->drawText (option.rect.right () - dateWidth,
y,
date);
painter->drawText (option.rect.left (),
y,
fontFM.elidedText (from, Qt::ElideRight, option.rect.width () - dateWidth - 5 * Padding));
painter->restore ();
}
