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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.
*/
#pragma once
#include <QColor>
#include <QRect>
#include <QSize>
#include <QString>
#include <QStyledItemDelegate>
class QPainter;
class QFontMetrics;
/// Draws one rounded, filled tag chip. Shared so the account chip in the
/// thread list and the strip under the message pane cannot drift apart.
namespace TagChip {
/// Padding inside a chip and the gap between two of them.
constexpr int kPaddingX = 6;
constexpr int kPaddingY = 1;
constexpr int kSpacing = 4;
constexpr int kRadius = 3;
QSize sizeFor(const QFontMetrics &metrics, const QString &text);
/// Paints the chip into `rect`, using `text` and `background`. The text colour
/// is derived from the fill so it stays legible.
void paint(QPainter *painter, const QRect &rect, const QString &text,
const QColor &background);
} // namespace TagChip
/// Item delegate for the subject column: draws the account chip in front of
/// the subject text, so which mailbox a thread came from reads at a glance
/// without a tags column spelling it out.
class SubjectDelegate : public QStyledItemDelegate
{
Q_OBJECT
public:
using QStyledItemDelegate::QStyledItemDelegate;
void paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const override;
QSize sizeHint(const QStyleOptionViewItem &option,
const QModelIndex &index) const override;
};
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