chatgui: кнопка + для invite в каналах, автокопирование ссылки, автоподключение из буфера

- Замена контекстного меню 'Пригласить' на кнопку + (18x18) справа снизу каждого канала с hover-эффектом
- InviteDialog: авто-копирование ссылки в буфер (Clipboard + Selection) при открытии
- JoinDialog: параметр autoJoinLink — если в буфере валидная utun:// ссылка, диалог сразу стартует подключение

tools/chatgui/src/channeldelegate.cpp

@@ -5,6 +5,13 @@
 ChannelDelegate::ChannelDelegate(QObject *parent)
     : QStyledItemDelegate(parent) {}
 
+QRect ChannelDelegate::inviteButtonRect(const QRect &itemRect) {
+    const int margin = 6;
+    return QRect(itemRect.right() - margin - InviteBtnSize,
+                 itemRect.bottom() - margin - InviteBtnSize,
+                 InviteBtnSize, InviteBtnSize);
+}
+
 void ChannelDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
                             const QModelIndex &index) const {
     painter->save();
@@ -90,7 +97,8 @@ void ChannelDelegate::paint(QPainter *painter, const QStyleOptionViewItem &optio
         if (option.state & QStyle::State_Selected) nickColor = nickColor.lighter(140);
 
         QRect msgRect(textRect.left(), nameRect.bottom() + 4,
-                      textRect.width(), option.rect.bottom() - nameRect.bottom() - margin);
+                      textRect.right() - InviteBtnSize - 6 - textRect.left(),
+                      option.rect.bottom() - nameRect.bottom() - margin);
         QFontMetrics msgFm(msgFont);
 
         int colon = lastMsg.indexOf(QString::fromUtf8(": "));
@@ -117,6 +125,26 @@ void ChannelDelegate::paint(QPainter *painter, const QStyleOptionViewItem &optio
         }
     }
 
+    /* ── invite plus button (bottom-right) ── */
+    QRect plusRect = inviteButtonRect(option.rect);
+    bool plusHovered = index.data(ChannelInviteBtnHoveredRole).toInt() != 0;
+    painter->setRenderHint(QPainter::Antialiasing);
+    if (plusHovered) {
+        painter->setBrush(QColor(0x33, 0x90, 0xEC));
+        painter->setPen(Qt::NoPen);
+        painter->drawEllipse(plusRect);
+        painter->setPen(QPen(Qt::white, 2));
+    } else {
+        painter->setBrush(QColor(0x33, 0x90, 0xEC, 110));
+        painter->setPen(Qt::NoPen);
+        painter->drawEllipse(plusRect);
+        painter->setPen(QPen(QColor(0x33, 0x90, 0xEC), 2));
+    }
+    painter->drawLine(plusRect.center().x(), plusRect.top() + 5,
+                      plusRect.center().x(), plusRect.bottom() - 5);
+    painter->drawLine(plusRect.left() + 5, plusRect.center().y(),
+                      plusRect.right() - 5, plusRect.center().y());
+
     painter->restore();
 }
 

tools/chatgui/src/channeldelegate.h

@@ -8,7 +8,8 @@ enum ChannelDataRole {
     ChannelLastMessageRole      = Qt::UserRole + 1,
     ChannelChannelIdRole        = Qt::UserRole + 2,
     ChannelPeersOnlineRole      = Qt::UserRole + 3,  /* int: count of online peers */
-    ChannelAutoConnectActiveRole = Qt::UserRole + 4  /* bool: 1 if auto-connect in progress */
+    ChannelAutoConnectActiveRole = Qt::UserRole + 4, /* bool: 1 if auto-connect in progress */
+    ChannelInviteBtnHoveredRole  = Qt::UserRole + 5  /* bool: 1 when mouse hovers invite button */
 };
 
 class ChannelDelegate : public QStyledItemDelegate {
@@ -20,4 +21,7 @@ public:
                const QModelIndex &index) const override;
     QSize sizeHint(const QStyleOptionViewItem &option,
                    const QModelIndex &index) const override;
+
+    static constexpr int InviteBtnSize = 18;
+    static QRect inviteButtonRect(const QRect &itemRect);
 };

tools/chatgui/src/channellist.cpp

@@ -7,17 +7,43 @@
 #include <QPushButton>
 #include <QPainter>
 #include <QPixmap>
-#include <QMenu>
 #include <QMouseEvent>
 
-/* QListView that prevents deselection */
+/* QListView that prevents deselection, handles invite plus-button clicks */
 class ChannelListView : public QListView {
+    Q_OBJECT
 public:
     using QListView::QListView;
+
+signals:
+    void inviteClicked(const QString& channelId);
+
 protected:
     void mousePressEvent(QMouseEvent* e) override {
-        if (indexAt(e->pos()).isValid())
-            QListView::mousePressEvent(e);
+        QModelIndex idx = indexAt(e->pos());
+        if (!idx.isValid()) return;
+        QRect plusRect = ChannelDelegate::inviteButtonRect(visualRect(idx));
+        if (plusRect.contains(e->pos())) {
+            emit inviteClicked(idx.data(ChannelChannelIdRole).toString());
+            return;
+        }
+        QListView::mousePressEvent(e);
+    }
+    void mouseMoveEvent(QMouseEvent* e) override {
+        int prevRow = m_hoveredInviteRow;
+        m_hoveredInviteRow = -1;
+        QModelIndex idx = indexAt(e->pos());
+        if (idx.isValid()) {
+            QRect plusRect = ChannelDelegate::inviteButtonRect(visualRect(idx));
+            if (plusRect.contains(e->pos()))
+                m_hoveredInviteRow = idx.row();
+        }
+        if (m_hoveredInviteRow != prevRow) {
+            model()->setData(model()->index(prevRow, 0), 0, ChannelInviteBtnHoveredRole);
+            model()->setData(model()->index(m_hoveredInviteRow, 0), 1, ChannelInviteBtnHoveredRole);
+        }
+        setCursor(m_hoveredInviteRow >= 0 ? Qt::PointingHandCursor : Qt::ArrowCursor);
+        QListView::mouseMoveEvent(e);
     }
     QItemSelectionModel::SelectionFlags selectionCommand(const QModelIndex& idx, const QEvent* e) const override {
         if (idx.isValid())
@@ -29,6 +55,9 @@ protected:
         if (selectionModel() && !selectionModel()->hasSelection() && currentIndex().isValid())
             selectionModel()->select(currentIndex(), QItemSelectionModel::ClearAndSelect);
     }
+
+private:
+    int m_hoveredInviteRow = -1;
 };
 
 static QIcon makeChannelIcon(const QColor &color, const QString &letter) {
@@ -70,7 +99,7 @@ ChannelList::ChannelList(DbManager* db, QWidget *parent)
     m_listView->setSelectionMode(QAbstractItemView::SingleSelection);
     m_listView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     m_listView->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
-    m_listView->setContextMenuPolicy(Qt::CustomContextMenu);
+    m_listView->setMouseTracking(true);
     layout->addWidget(m_listView);
 
     auto *footer = new QWidget(this);
@@ -119,8 +148,8 @@ ChannelList::ChannelList(DbManager* db, QWidget *parent)
                     emit channelSelected(cid);
                 }
             });
-    connect(m_listView, &QListView::customContextMenuRequested,
-            this, &ChannelList::onContextMenu);
+    connect(static_cast<ChannelListView*>(m_listView), &ChannelListView::inviteClicked,
+            this, &ChannelList::inviteRequested);
 }
 
 void ChannelList::loadChannels() {
@@ -174,16 +203,6 @@ void ChannelList::selectChannel(const QString& channelId) {
     }
 }
 
-void ChannelList::onContextMenu(const QPoint& pos) {
-    QModelIndex index = m_listView->indexAt(pos);
-    if (!index.isValid()) return;
-    QString cid = index.data(ChannelChannelIdRole).toString();
-    QMenu menu(this);
-    QAction *inviteAction = menu.addAction("Пригласить");
-    if (menu.exec(m_listView->viewport()->mapToGlobal(pos)) == inviteAction)
-        emit inviteRequested(cid);
-}
-
 void ChannelList::setChannelPeersOnline(const QString& channelId, int count) {
     for (int row = 0; row < m_model->rowCount(); row++) {
         QStandardItem* item = m_model->item(row);
@@ -202,3 +221,5 @@ void ChannelList::setAutoConnectActive(bool active) {
         if (item) item->setData(active ? 1 : 0, ChannelAutoConnectActiveRole);
     }
 }
+
+#include "channellist.moc"

tools/chatgui/src/channellist.h

@@ -24,9 +24,6 @@ signals:
     void createGroupRequested();
     void settingsRequested();
 
-private slots:
-    void onContextMenu(const QPoint& pos);
-
 private:
     QListView          *m_listView;
     QStandardItemModel *m_model;

tools/chatgui/src/invitedialog.cpp

@@ -7,6 +7,7 @@
 #include <QLabel>
 #include <QClipboard>
 #include <QApplication>
+#include <QTimer>
 
 InviteDialog::InviteDialog(const QString& link, QWidget* parent)
     : QDialog(parent), m_link(link)
@@ -50,4 +51,14 @@ InviteDialog::InviteDialog(const QString& link, QWidget* parent)
     auto *closeBtn = new QPushButton("OK", this);
     connect(closeBtn, &QPushButton::clicked, this, &QDialog::accept);
     layout->addWidget(closeBtn, 0, Qt::AlignRight);
+
+    QTimer::singleShot(0, this, [this]() {
+        QClipboard* cb = QApplication::clipboard();
+        cb->clear(QClipboard::Clipboard);
+        cb->setText(m_link, QClipboard::Clipboard);
+        if (cb->supportsSelection()) {
+            cb->clear(QClipboard::Selection);
+            cb->setText(m_link, QClipboard::Selection);
+        }
+    });
 }

tools/chatgui/src/joindialog.cpp

@@ -18,7 +18,8 @@ extern "C" {
 #include "../../../lib/sha256.h"
 }
 
-JoinDialog::JoinDialog(UtunNode* node, DbManager* db, QWidget* parent)
+JoinDialog::JoinDialog(UtunNode* node, DbManager* db, QWidget* parent,
+                       const QString& autoJoinLink)
     : QDialog(parent)
     , m_node(node)
     , m_db(db)
@@ -115,6 +116,11 @@ JoinDialog::JoinDialog(UtunNode* node, DbManager* db, QWidget* parent)
         JoinDialog* dlg = qobject_cast<JoinDialog*>(QApplication::activeModalWidget());
         if (dlg) dlg->onConnectResult(nodeId, channelId, result);
     });
+
+    if (!autoJoinLink.isEmpty()) {
+        m_linkEdit->setText(autoJoinLink);
+        QTimer::singleShot(0, this, &JoinDialog::onConnectClicked);
+    }
 }
 
 JoinDialog::~JoinDialog() {

tools/chatgui/src/joindialog.h

@@ -13,7 +13,8 @@ class DbManager;
 class JoinDialog : public QDialog {
     Q_OBJECT
 public:
-    explicit JoinDialog(UtunNode* node, DbManager* db, QWidget* parent = nullptr);
+    explicit JoinDialog(UtunNode* node, DbManager* db, QWidget* parent = nullptr,
+                        const QString& autoJoinLink = QString());
     ~JoinDialog() override;
 
 signals:

tools/chatgui/src/mainwindow.cpp

@@ -13,6 +13,7 @@
 #include <QSplitter>
 #include <QCloseEvent>
 #include <QApplication>
+#include <QClipboard>
 #include <QStyle>
 #include <QMessageBox>
 #include <QDebug>
@@ -253,10 +254,21 @@ void MainWindow::showJoinDialog() {
         QMessageBox::warning(this, "Error", "Node is not running.");
         return;
     }
-    JoinDialog dlg(m_node, m_db, this);
-    if (dlg.exec() == QDialog::Accepted) {
-        m_channelList->loadChannels();
+
+    QString autoLink;
+    QClipboard* cb = QApplication::clipboard();
+    QString clipText = cb->text(QClipboard::Clipboard).trimmed();
+    if (clipText.startsWith("utun://") && decodeInviteLink(clipText).error.isEmpty())
+        autoLink = clipText;
+    else if (cb->supportsSelection()) {
+        QString selText = cb->text(QClipboard::Selection).trimmed();
+        if (selText.startsWith("utun://") && decodeInviteLink(selText).error.isEmpty())
+            autoLink = selText;
     }
+
+    JoinDialog dlg(m_node, m_db, this, autoLink);
+    if (dlg.exec() == QDialog::Accepted)
+        m_channelList->loadChannels();
 }
 
 void MainWindow::showSettings() {