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 "channeldelegate.h"
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#include <QPainter>
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#include <QApplication>
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ChannelDelegate::ChannelDelegate(QObject *parent)
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: QStyledItemDelegate(parent) {}
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QRect ChannelDelegate::inviteButtonRect(const QRect &itemRect) {
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const int margin = 6;
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return QRect(itemRect.right() - margin - InviteBtnSize,
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itemRect.bottom() - margin - InviteBtnSize,
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InviteBtnSize, InviteBtnSize);
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}
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QRect ChannelDelegate::inviteByLinkButtonRect(const QRect &itemRect) {
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const int margin = 6;
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return QRect(itemRect.right() - margin - InviteBtnSize * 2 - InviteBtnGap,
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itemRect.bottom() - margin - InviteBtnSize,
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InviteBtnSize, InviteBtnSize);
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}
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QRect ChannelDelegate::settingsButtonRect(const QRect &itemRect) {
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const int margin = 6;
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return QRect(itemRect.right() - margin - InviteBtnSize * 3 - InviteBtnGap * 2,
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itemRect.bottom() - margin - InviteBtnSize,
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InviteBtnSize, InviteBtnSize);
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}
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void ChannelDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
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const QModelIndex &index) const {
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painter->save();
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const int barWidth = 4;
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const int margin = 8;
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const int iconSize = 32;
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int peersOnline = index.data(ChannelPeersOnlineRole).toInt();
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int autoActive = index.data(ChannelAutoConnectActiveRole).toInt();
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/* ── background ── */
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if (option.state & QStyle::State_Selected) {
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painter->fillRect(option.rect, option.palette.highlight());
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} else if (option.state & QStyle::State_MouseOver) {
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painter->fillRect(option.rect, option.palette.light());
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} else {
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painter->fillRect(option.rect, option.palette.base());
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}
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/* ── vertical status bar (left edge, over background) ── */
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QColor barColor = Qt::transparent;
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if (peersOnline > 0) barColor = QColor("#4CAF50");
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else if (autoActive && peersOnline == 0) barColor = QColor("#FFC107");
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if (barColor.alpha() > 0) {
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QRect barRect(option.rect.left(), option.rect.top(), barWidth, option.rect.height());
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painter->fillRect(barRect, barColor);
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}
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QRect iconRect(option.rect.left() + margin + barWidth,
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option.rect.top() + (option.rect.height() - iconSize) / 2,
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iconSize, iconSize);
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QIcon icon = qvariant_cast<QIcon>(index.data(ChannelIconRole));
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if (!icon.isNull()) {
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icon.paint(painter, iconRect);
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}
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/* ── online count badge (top-left of avatar, above it) ── */
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if (peersOnline > 0) {
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int badgeSize = 16;
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QRect badgeRect(iconRect.left() - 4, iconRect.top() - 6, badgeSize, badgeSize);
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painter->setRenderHint(QPainter::Antialiasing);
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painter->setBrush(QColor("#4CAF50"));
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painter->setPen(QPen(Qt::white, 1.5));
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painter->drawEllipse(badgeRect);
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QFont badgeFont = option.font;
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badgeFont.setBold(true);
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badgeFont.setPixelSize(10);
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painter->setFont(badgeFont);
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painter->setPen(Qt::white);
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QString num = QString::number(peersOnline);
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if (peersOnline > 9) num = "9+";
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painter->drawText(badgeRect, Qt::AlignCenter, num);
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}
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QRect textRect(iconRect.right() + margin, option.rect.top() + margin,
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option.rect.right() - iconRect.right() - 2 * margin,
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option.rect.height() - 2 * margin);
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QString name = index.data(ChannelNameRole).toString();
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QFont nameFont = option.font;
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nameFont.setBold(true);
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nameFont.setPointSize(nameFont.pointSize() + 1);
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painter->setFont(nameFont);
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QColor textColor = (option.state & QStyle::State_Selected)
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? option.palette.highlightedText().color()
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: option.palette.text().color();
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painter->setPen(textColor);
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QRect nameRect = textRect;
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nameRect.setHeight(QFontMetrics(nameFont).height());
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painter->drawText(nameRect, Qt::AlignLeft | Qt::AlignTop,
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painter->fontMetrics().elidedText(name, Qt::ElideRight, nameRect.width()));
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QString lastMsg = index.data(ChannelLastMessageRole).toString();
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if (!lastMsg.isEmpty()) {
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QFont msgFont = option.font;
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msgFont.setPointSize(msgFont.pointSize() - 1);
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QColor nickColor(0x33, 0x90, 0xEC);
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QColor msgColor = (option.state & QStyle::State_Selected)
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? option.palette.highlightedText().color().darker(120)
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: QColor(128, 128, 128);
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if (option.state & QStyle::State_Selected) nickColor = nickColor.lighter(140);
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QRect msgRect(textRect.left(), nameRect.bottom() + 4,
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textRect.right() - InviteBtnSize - 6 - textRect.left(),
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option.rect.bottom() - nameRect.bottom() - margin);
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QFontMetrics msgFm(msgFont);
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int colon = lastMsg.indexOf(QString::fromUtf8(": "));
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if (colon >= 0) {
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QString nick = lastMsg.left(colon + 1);
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QString body = lastMsg.mid(colon + 2);
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painter->setFont(msgFont);
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painter->setPen(nickColor);
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QRect nickRect = msgRect;
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nickRect.setWidth(msgFm.horizontalAdvance(nick));
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painter->drawText(nickRect, Qt::AlignLeft | Qt::AlignTop, nick);
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painter->setPen(msgColor);
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QRect bodyRect(msgRect.left() + nickRect.width(), msgRect.top(),
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msgRect.width() - nickRect.width(), msgRect.height());
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QString elidedBody = msgFm.elidedText(body, Qt::ElideRight, bodyRect.width());
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painter->drawText(bodyRect, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, elidedBody);
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} else {
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painter->setFont(msgFont);
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painter->setPen(msgColor);
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QString elided = msgFm.elidedText(lastMsg, Qt::ElideRight, msgRect.width());
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painter->drawText(msgRect, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, elided);
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}
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}
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/* ── unread count badge (right of channel name) ── */
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int unread = index.data(ChannelUnreadCountRole).toInt();
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if (unread > 0) {
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QString unreadText = unread > 99 ? QStringLiteral("99+") : QString::number(unread);
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QFont badgeFont = option.font;
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badgeFont.setBold(true);
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badgeFont.setPixelSize(11);
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QFontMetrics badgeFm(badgeFont);
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int textW = badgeFm.horizontalAdvance(unreadText) + 8;
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int badgeH = 18;
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if (textW < badgeH) textW = badgeH;
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QRect badgeRect(textRect.right() - textW, nameRect.top(),
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textW, badgeH);
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painter->setRenderHint(QPainter::Antialiasing);
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painter->setBrush(QColor("#E53935"));
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painter->setPen(Qt::NoPen);
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painter->drawRoundedRect(badgeRect, badgeH / 2, badgeH / 2);
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painter->setFont(badgeFont);
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painter->setPen(Qt::white);
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painter->drawText(badgeRect, Qt::AlignCenter, unreadText);
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}
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/* ── invite plus button (bottom-right) ── */
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QRect plusRect = inviteButtonRect(option.rect);
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bool plusHovered = index.data(ChannelInviteBtnHoveredRole).toInt() != 0;
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painter->setRenderHint(QPainter::Antialiasing);
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if (plusHovered) {
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painter->setBrush(QColor(0x33, 0x90, 0xEC));
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painter->setPen(Qt::NoPen);
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painter->drawEllipse(plusRect);
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painter->setPen(QPen(Qt::white, 2));
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} else {
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painter->setBrush(QColor(0x33, 0x90, 0xEC, 110));
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painter->setPen(Qt::NoPen);
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painter->drawEllipse(plusRect);
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painter->setPen(QPen(QColor(0x33, 0x90, 0xEC), 2));
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}
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painter->drawLine(plusRect.center().x(), plusRect.top() + 5,
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plusRect.center().x(), plusRect.bottom() - 5);
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painter->drawLine(plusRect.left() + 5, plusRect.center().y(),
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plusRect.right() - 5, plusRect.center().y());
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/* ── invite-by-link button (left of plus, orange square with arrow) ── */
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QRect invRect = inviteByLinkButtonRect(option.rect);
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bool invHovered = index.data(ChannelInviteByLinkBtnHoveredRole).toInt() != 0;
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painter->setRenderHint(QPainter::Antialiasing);
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if (invHovered) {
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painter->setBrush(QColor(0xE6, 0x7E, 0x22));
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painter->setPen(Qt::NoPen);
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painter->drawRoundedRect(invRect, 3, 3);
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painter->setPen(QPen(Qt::white, 1.5));
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} else {
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painter->setBrush(QColor(0xE6, 0x7E, 0x22, 110));
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painter->setPen(Qt::NoPen);
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painter->drawRoundedRect(invRect, 3, 3);
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painter->setPen(QPen(QColor(0xE6, 0x7E, 0x22), 1.5));
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}
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/* arrow pointing into a box: →| or a simple arrow-left: ← */
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int cx = invRect.center().x(), cy = invRect.center().y();
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int dx = 3;
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painter->drawLine(cx + dx, cy - 3, cx - dx, cy);
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painter->drawLine(cx + dx, cy + 3, cx - dx, cy);
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painter->drawLine(cx + dx + 1, cy, cx + dx + 1, cy - 3 + 1);
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painter->drawLine(cx + dx + 1, cy, cx + dx + 1, cy + 3 - 1);
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/* ── settings gear (left of invite-by-link button) ── */
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QRect gearRect = settingsButtonRect(option.rect);
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bool gearHovered = index.data(ChannelSettingsBtnHoveredRole).toInt() != 0;
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QColor gearColor = gearHovered ? QColor("#3390EC") : QColor("#888");
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painter->setPen(QPen(gearColor, 2));
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painter->setBrush(Qt::NoBrush);
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int gr = 5;
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painter->drawEllipse(gearRect.center(), gr, gr);
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painter->drawEllipse(gearRect.center(), gr / 2, gr / 2);
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int gcx = gearRect.center().x(), gcy = gearRect.center().y();
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painter->drawLine(gcx, gcy - gr, gcx, gcy - gr + 1);
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painter->drawLine(gcx, gcy + gr, gcx, gcy + gr - 1);
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painter->drawLine(gcx - gr, gcy, gcx - gr + 1, gcy);
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painter->drawLine(gcx + gr, gcy, gcx + gr - 1, gcy);
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painter->drawLine(gcx - 3, gcy - 4, gcx - 3, gcy - 5);
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painter->drawLine(gcx + 3, gcy + 4, gcx + 3, gcy + 5);
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painter->drawLine(gcx - 4, gcy - 3, gcx - 5, gcy - 3);
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painter->drawLine(gcx + 4, gcy + 3, gcx + 5, gcy + 3);
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painter->restore();
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}
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QSize ChannelDelegate::sizeHint(const QStyleOptionViewItem &option,
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const QModelIndex &index) const {
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Q_UNUSED(option);
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Q_UNUSED(index);
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return QSize(200, 56);
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}
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