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/*
* qtmaildir - a Qt6 mail client for notmuch-indexed Maildirs
* Copyright (C) 2026 Danilo M. <danix@danix.xyz>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 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 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 "tagchip.h"
#include <QApplication>
#include <QFontMetrics>
#include <QPainter>
#include "tagcolors.h"
#include "threadlistmodel.h"
namespace TagChip {
QSize sizeFor(const QFontMetrics &metrics, const QString &text)
{
return QSize(metrics.horizontalAdvance(text) + kPaddingX * 2,
metrics.height() + kPaddingY * 2);
}
void paint(QPainter *painter, const QRect &rect, const QString &text,
const QColor &background)
{
painter->save();
painter->setRenderHint(QPainter::Antialiasing, true);
painter->setPen(Qt::NoPen);
painter->setBrush(background);
// Radius from the chip's own height rather than the fixed kRadius: a 3px
// corner on a 17px chip reads as a slightly-softened rectangle, which is
// hard to tell from the square cells of the columns behind it. Half the
// height gives fully rounded ends, so a chip reads as an object sitting on
// the row instead of as another compartment of it.
const qreal radius = rect.height() / 2.0;
painter->drawRoundedRect(rect, radius, radius);
painter->setPen(TagColors::textColourOn(background));
painter->drawText(rect, Qt::AlignCenter, text);
painter->restore();
}
} // namespace TagChip
void RowStyleDelegate::initStyleOption(QStyleOptionViewItem *option,
const QModelIndex &index) const
{
QStyledItemDelegate::initStyleOption(option, index);
// Qt resolves Qt::ForegroundRole into the palette's Text roles, and its
// own painting then prefers those over HighlightedText: a model that
// supplies a foreground wins even on a selected row.
//
// That is wrong for the read/unread dimming. A read thread's colour is
// blended against the UNSELECTED background, so over the selection
// highlight it lands as grey on purple, near unreadable. The highlight
// already says "this row", so the dimming can yield to it while selected.
//
// Doomed threads are unaffected in practice: their fill is drawn beneath
// the selection and their white is a contrast requirement, which
// HighlightedText also satisfies.
if (option->state & QStyle::State_Selected) {
const QColor highlighted =
option->palette.color(QPalette::HighlightedText);
option->palette.setColor(QPalette::Text, highlighted);
option->palette.setColor(QPalette::WindowText, highlighted);
}
// One line, elided. A card draws its own text through CardDelegate, but
// this still governs whatever Qt draws for the item itself, and a wrapped
// string would run past the card's own three lines.
option->features &= ~QStyleOptionViewItem::WrapText;
option->textElideMode = Qt::ElideRight;
}
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