stcp: ed25519 pubkey exchange in handshake, fix instance destroy segfault, fix chat_tcp_test
- u_async.c: process immediate_queue BEFORE epoll_wait in uasync_poll - stcp_link.c: defensive NULL etcp_conn/etcp_link in stcp_link_close - utun_instance.c: move stcp_server_list_destroy_all to Phase J (before ETCP), add deferred drain in both Phase J and L - stcp.h/c: STCP_HS_ENC_CLIENT 6→38, STCP_HS_ENC_SERVER 7→39, exchange ed25519_pubkey in both handshake directions - etcp_connections.c: copy peer_ed25519 from STCP to ETCP_CONN in etcp_link_enter_ready_tcp; guard link->etcp in tcp_link_close_cb - chat_sync.c: fix lk->conn NULL dereference for TCP links - test_stcp.c: update stcp_server_create/stcp_client_connect callsites - tools/chat_tcp_test: change transport udp→tcp
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#include "memberlistmodel.h"
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#include "../db/db_manager.h"
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#include <QPainter>
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#include <QFont>
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#include <QTimer>
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MemberListModel::MemberListModel(DbManager* db, QObject* parent)
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: QAbstractListModel(parent), m_db(db) {}
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int MemberListModel::rowCount(const QModelIndex& parent) const {
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(void)parent;
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return m_totalCount;
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}
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QVariant MemberListModel::data(const QModelIndex& index, int role) const {
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if (!index.isValid() || index.row() < 0 || index.row() >= m_totalCount)
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return {};
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auto it = m_cache.find(index.row());
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if (it != m_cache.end()) {
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if (role == Qt::DisplayRole) return it->localNick.isEmpty() ? it->name : it->localNick;
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if (role == Qt::DecorationRole) return QVariant::fromValue(QIcon(it->avatar));
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if (role == Qt::UserRole + 1) {
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QString sub;
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if (it->rtt >= 0) sub += QString("rtt=%1ms").arg(it->rtt / 10);
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if (it->natType >= 0) {
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static const char* nat[] = {"NET","DIR","EIM","STR"};
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const char* nt = (it->natType <= 3) ? nat[it->natType] : "?";
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if (!sub.isEmpty()) sub += " ";
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sub += nt;
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}
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return sub;
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}
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if (role == Qt::ToolTipRole)
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return QString(it->online ? "online" : "offline") + " | 0x" +
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QString("%1").arg(it->nodeId, 16, 16, QChar('0'));
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if (role == Qt::UserRole + 2) return it->isSelf;
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return {};
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}
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if (role == Qt::DisplayRole) {
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scheduleBatch(index.row());
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return QStringLiteral("\u2026");
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}
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return {};
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}
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void MemberListModel::setChannel(const QString& channelId) {
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beginResetModel();
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m_channelId = channelId;
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m_db->cleanOrphanedPeers(channelId);
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m_totalCount = m_db ? m_db->getChannelMemberCount(channelId) : 0;
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m_cache.clear();
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m_pendingFrom = -1;
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endResetModel();
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if (m_totalCount > 0) scheduleBatch(0);
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}
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void MemberListModel::refresh() { if (!m_channelId.isEmpty()) setChannel(m_channelId); }
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quint64 MemberListModel::nodeIdAt(int row) const {
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auto it = m_cache.find(row);
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return it != m_cache.end() ? it->nodeId : 0;
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}
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void MemberListModel::scheduleBatch(int centerRow) const {
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if (m_pendingFrom >= 0) return;
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int from = centerRow - BATCH / 2;
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if (from < 0) from = 0;
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int maxFrom = m_totalCount - BATCH;
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if (from > maxFrom) from = maxFrom > 0 ? maxFrom : 0;
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const_cast<MemberListModel*>(this)->m_pendingFrom = from;
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const_cast<MemberListModel*>(this)->m_pendingCount = BATCH;
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QTimer::singleShot(0, const_cast<MemberListModel*>(this), &MemberListModel::loadPendingBatch);
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}
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void MemberListModel::loadPendingBatch() {
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if (m_pendingFrom < 0) return;
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int from = m_pendingFrom, count = m_pendingCount;
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m_pendingFrom = -1;
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loadBatch(from, count);
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}
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void MemberListModel::loadBatch(int from, int count) {
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if (!m_db || m_channelId.isEmpty()) return;
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int maxFrom = m_totalCount - count;
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if (from > maxFrom) from = maxFrom > 0 ? maxFrom : 0;
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auto members = m_db->getChannelMembers(m_channelId, from, count);
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for (int i = 0; i < members.size(); i++) {
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int row = from + i;
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MemberListItem& item = m_cache[row];
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item.nodeId = members[i].nodeId;
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item.isSelf = (item.nodeId == m_db->myNodeId());
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item.online = members[i].online;
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QString shortId = QString("%1").arg(members[i].nodeId, 8, 16, QChar('0')).right(4).toUpper();
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item.name = members[i].name.isEmpty() ? shortId : members[i].name;
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item.localNick = members[i].localNick;
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QColor c = members[i].online ? QColor("#4CAF50") : QColor("#9E9E9E");
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item.avatar = makeAvatar(c, item.name[0]);
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}
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// batch-загрузка RTT и NAT типа из node_addresses
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QStringList idList;
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for (int i = 0; i < members.size(); i++)
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idList.append(QString::number(members[i].nodeId));
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QString ids = idList.isEmpty() ? QString("0") : idList.join(",");
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QByteArray sql = QString(
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"SELECT node_id, MIN(rtt), MIN(addr_type) FROM node_addresses"
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" WHERE node_id IN (%1) AND rtt > 0 GROUP BY node_id"
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).arg(ids).toUtf8();
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sqlite3_stmt* na = nullptr;
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if (sqlite3_prepare_v2(m_db->m_db, sql.constData(), -1, &na, nullptr) == SQLITE_OK) {
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while (sqlite3_step(na) == SQLITE_ROW) {
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quint64 nid = (quint64)sqlite3_column_int64(na, 0);
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int rttVal = sqlite3_column_int(na, 1);
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int at = sqlite3_column_int(na, 2);
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for (int i = 0; i < members.size(); i++) {
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if (members[i].nodeId == nid) {
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int row = from + i;
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auto it = m_cache.find(row);
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if (it != m_cache.end()) {
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it->rtt = rttVal;
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it->natType = at;
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}
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break;
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}
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}
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}
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sqlite3_finalize(na);
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}
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evictDistant(from + BATCH / 2);
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int last = from + (int)members.size() - 1;
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if (last >= from) emit dataChanged(index(from), index(last));
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}
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void MemberListModel::refreshRtt() {
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if (m_cache.isEmpty() || !m_db || !m_db->m_db) return;
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QStringList idList;
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for (auto it = m_cache.begin(); it != m_cache.end(); ++it)
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idList.append(QString::number(it->nodeId));
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if (idList.isEmpty()) return;
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QString ids = idList.join(",");
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QByteArray sql = QString(
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"SELECT node_id, MIN(rtt), MIN(addr_type) FROM node_addresses"
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" WHERE node_id IN (%1) AND rtt > 0 GROUP BY node_id"
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).arg(ids).toUtf8();
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sqlite3_stmt* na = nullptr;
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if (sqlite3_prepare_v2(m_db->m_db, sql.constData(), -1, &na, nullptr) != SQLITE_OK) return;
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QList<int> changed;
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while (sqlite3_step(na) == SQLITE_ROW) {
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quint64 nid = (quint64)sqlite3_column_int64(na, 0);
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int rttVal = sqlite3_column_int(na, 1);
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int at = sqlite3_column_int(na, 2);
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for (auto it = m_cache.begin(); it != m_cache.end(); ++it) {
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if (it->nodeId == nid) {
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if (it->rtt != rttVal || it->natType != at) {
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it->rtt = rttVal;
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it->natType = at;
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changed.append(it.key());
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}
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break;
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}
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}
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}
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sqlite3_finalize(na);
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for (int row : changed) emit dataChanged(index(row), index(row), {Qt::UserRole + 1});
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}
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void MemberListModel::evictDistant(int centerRow) {
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if (m_cache.size() <= MAX_CACHE) return;
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int half = MAX_CACHE / 2;
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QList<int> toRemove;
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for (auto it = m_cache.begin(); it != m_cache.end(); ++it)
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if (qAbs(it.key() - centerRow) > half)
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toRemove.append(it.key());
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for (int k : toRemove) m_cache.remove(k);
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}
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QPixmap MemberListModel::makeAvatar(QColor color, QChar letter) const {
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QPixmap pm(24, 24);
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pm.fill(Qt::transparent);
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QPainter p(&pm);
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p.setRenderHint(QPainter::Antialiasing);
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p.setBrush(color);
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p.setPen(Qt::NoPen);
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p.drawEllipse(2, 2, 20, 20);
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p.setPen(Qt::white);
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QFont f; f.setBold(true); f.setPixelSize(12);
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p.setFont(f);
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p.drawText(QRect(0, 0, 24, 24), Qt::AlignCenter, QString(letter));
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p.end();
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return pm;
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}
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