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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 "keymap.h"
#include <QSettings>
QStringList KeyMap::knownActions()
{
// Keep in sync with the actions MainWindow registers.
return {
QStringLiteral("next_thread"),
QStringLiteral("prev_thread"),
QStringLiteral("open_thread"),
QStringLiteral("archive"),
QStringLiteral("delete"),
QStringLiteral("spam"),
QStringLiteral("toggle_unread"),
QStringLiteral("flag"),
QStringLiteral("focus_query"),
QStringLiteral("toggle_html"),
QStringLiteral("load_remote"),
QStringLiteral("undo"),
QStringLiteral("sync"),
QStringLiteral("quit"),
};
}
void KeyMap::loadDefaults()
{
const QHash<QString, QString> defaults = {
{ QStringLiteral("j"), QStringLiteral("next_thread") },
{ QStringLiteral("k"), QStringLiteral("prev_thread") },
{ QStringLiteral("Return"), QStringLiteral("open_thread") },
{ QStringLiteral("a"), QStringLiteral("archive") },
{ QStringLiteral("d"), QStringLiteral("delete") },
{ QStringLiteral("N"), QStringLiteral("toggle_unread") },
{ QStringLiteral("F"), QStringLiteral("flag") },
{ QStringLiteral("/"), QStringLiteral("focus_query") },
{ QStringLiteral("h"), QStringLiteral("toggle_html") },
{ QStringLiteral("u"), QStringLiteral("undo") },
{ QStringLiteral("G"), QStringLiteral("sync") },
{ QStringLiteral("Ctrl+Q"), QStringLiteral("quit") },
};
for (auto it = defaults.cbegin(); it != defaults.cend(); ++it)
m_bindings.insert(QKeySequence::fromString(it.key()), it.value());
}
void KeyMap::loadOverrides(QSettings &settings)
{
const QStringList known = knownActions();
// Sequences bound so far *within this override pass*. Defaults already
// sit in m_bindings before this runs, so a plain m_bindings.contains()
// check would misfire on every legitimate override of a default (e.g.
// "j=archive" overriding the default 'j' binding). Only a collision
// between two entries in this same pass (e.g. two INI keys that
// normalize to the same QKeySequence, such as "y" and "Y") is a bug.
QHash<QKeySequence, QString> seenThisPass;
settings.beginGroup(QStringLiteral("keys"));
const QStringList keys = settings.childKeys();
for (const QString &key : keys) {
const QString action = settings.value(key).toString();
const QKeySequence sequence = QKeySequence::fromString(key);
// QKeySequence::fromString() does not return an empty sequence for
// unparseable input; it returns a non-empty sequence whose
// toString() is empty (verified on Qt 6.11). Use that to detect
// garbage input instead.
if (sequence.isEmpty() || sequence.toString().isEmpty()) {
m_warnings.append(
QStringLiteral("Unparseable key sequence '%1' in [keys]").arg(key));
continue;
}
if (!known.contains(action)) {
m_warnings.append(
QStringLiteral("Unknown action '%1' bound to '%2' in [keys]")
.arg(action, key));
continue;
}
const auto previous = seenThisPass.constFind(sequence);
if (previous != seenThisPass.constEnd()) {
m_warnings.append(
QStringLiteral("Key sequence '%1' bound to both '%2' and '%3' "
"in [keys]; keeping '%2'")
.arg(key, previous.value(), action));
continue;
}
seenThisPass.insert(sequence, action);
m_bindings.insert(sequence, action);
}
settings.endGroup();
}
QString KeyMap::actionFor(const QKeySequence &sequence) const
{
return m_bindings.value(sequence);
}
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