move INV button from footer into channel delegate rows (second button left of plus)

tools/chatgui/src/channeldelegate.cpp

@@ -12,6 +12,13 @@ QRect ChannelDelegate::inviteButtonRect(const QRect &itemRect) {
                  InviteBtnSize, InviteBtnSize);
 }
 
+QRect ChannelDelegate::inviteByLinkButtonRect(const QRect &itemRect) {
+    const int margin = 6;
+    return QRect(itemRect.right() - margin - InviteBtnSize * 2 - InviteBtnGap,
+                 itemRect.bottom() - margin - InviteBtnSize,
+                 InviteBtnSize, InviteBtnSize);
+}
+
 void ChannelDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
                             const QModelIndex &index) const {
     painter->save();
@@ -169,6 +176,29 @@ void ChannelDelegate::paint(QPainter *painter, const QStyleOptionViewItem &optio
     painter->drawLine(plusRect.left() + 5, plusRect.center().y(),
                       plusRect.right() - 5, plusRect.center().y());
 
+    /* ── invite-by-link button (left of plus, orange square with arrow) ── */
+    QRect invRect = inviteByLinkButtonRect(option.rect);
+    bool invHovered = index.data(ChannelInviteByLinkBtnHoveredRole).toInt() != 0;
+    painter->setRenderHint(QPainter::Antialiasing);
+    if (invHovered) {
+        painter->setBrush(QColor(0xE6, 0x7E, 0x22));
+        painter->setPen(Qt::NoPen);
+        painter->drawRoundedRect(invRect, 3, 3);
+        painter->setPen(QPen(Qt::white, 1.5));
+    } else {
+        painter->setBrush(QColor(0xE6, 0x7E, 0x22, 110));
+        painter->setPen(Qt::NoPen);
+        painter->drawRoundedRect(invRect, 3, 3);
+        painter->setPen(QPen(QColor(0xE6, 0x7E, 0x22), 1.5));
+    }
+    /* arrow pointing into a box: →| or a simple arrow-left: ← */
+    int cx = invRect.center().x(), cy = invRect.center().y();
+    int dx = 3;
+    painter->drawLine(cx + dx, cy - 3, cx - dx, cy);
+    painter->drawLine(cx + dx, cy + 3, cx - dx, cy);
+    painter->drawLine(cx + dx + 1, cy, cx + dx + 1, cy - 3 + 1);
+    painter->drawLine(cx + dx + 1, cy, cx + dx + 1, cy + 3 - 1);
+
     painter->restore();
 }
 

tools/chatgui/src/channeldelegate.h

@@ -10,6 +10,7 @@ enum ChannelDataRole {
     ChannelPeersOnlineRole      = Qt::UserRole + 3,  /* int: count of online peers */
     ChannelAutoConnectActiveRole = Qt::UserRole + 4, /* bool: 1 if auto-connect in progress */
     ChannelInviteBtnHoveredRole  = Qt::UserRole + 5, /* bool: 1 when mouse hovers invite button */
+    ChannelInviteByLinkBtnHoveredRole = Qt::UserRole + 8, /* bool: hover for invite-by-link button */
     ChannelUnreadCountRole      = Qt::UserRole + 6, /* int: unread message count, 0 if none */
     ChannelLastMsgAtRole        = Qt::UserRole + 7  /* qint64: last message timestamp for sorting */
 };
@@ -25,5 +26,7 @@ public:
                    const QModelIndex &index) const override;
 
     static constexpr int InviteBtnSize = 18;
+    static constexpr int InviteBtnGap = 2;
     static QRect inviteButtonRect(const QRect &itemRect);
+    static QRect inviteByLinkButtonRect(const QRect &itemRect);
 };

tools/chatgui/src/channellist.cpp

@@ -19,13 +19,19 @@ class ChannelListView : public QListView {
 public:
     using QListView::QListView;
 
-signals:
+    signals:
     void inviteClicked(const QString& channelId);
+    void inviteByLinkClicked(const QString& channelId);
 
 protected:
     void mousePressEvent(QMouseEvent* e) override {
         QModelIndex idx = indexAt(e->pos());
         if (!idx.isValid()) return;
+        QRect invRect = ChannelDelegate::inviteByLinkButtonRect(visualRect(idx));
+        if (invRect.contains(e->pos())) {
+            emit inviteByLinkClicked(idx.data(ChannelChannelIdRole).toString());
+            return;
+        }
         QRect plusRect = ChannelDelegate::inviteButtonRect(visualRect(idx));
         if (plusRect.contains(e->pos())) {
             emit inviteClicked(idx.data(ChannelChannelIdRole).toString());
@@ -34,19 +40,28 @@ protected:
         QListView::mousePressEvent(e);
     }
     void mouseMoveEvent(QMouseEvent* e) override {
-        int prevRow = m_hoveredInviteRow;
+        int prevInv = m_hoveredInviteRow;
+        int prevInvBy = m_hoveredInviteByLinkRow;
         m_hoveredInviteRow = -1;
+        m_hoveredInviteByLinkRow = -1;
         QModelIndex idx = indexAt(e->pos());
         if (idx.isValid()) {
+            QRect invRect = ChannelDelegate::inviteByLinkButtonRect(visualRect(idx));
             QRect plusRect = ChannelDelegate::inviteButtonRect(visualRect(idx));
-            if (plusRect.contains(e->pos()))
+            if (invRect.contains(e->pos()))
+                m_hoveredInviteByLinkRow = idx.row();
+            else if (plusRect.contains(e->pos()))
                 m_hoveredInviteRow = idx.row();
         }
-        if (m_hoveredInviteRow != prevRow) {
+        if (m_hoveredInviteRow != prevInv)
-            model()->setData(model()->index(prevRow, 0), 0, ChannelInviteBtnHoveredRole);
+            model()->setData(model()->index(prevInv, 0), 0, ChannelInviteBtnHoveredRole);
+        if (m_hoveredInviteRow >= 0)
             model()->setData(model()->index(m_hoveredInviteRow, 0), 1, ChannelInviteBtnHoveredRole);
-        }
+        if (m_hoveredInviteByLinkRow != prevInvBy)
-        setCursor(m_hoveredInviteRow >= 0 ? Qt::PointingHandCursor : Qt::ArrowCursor);
+            model()->setData(model()->index(prevInvBy, 0), 0, ChannelInviteByLinkBtnHoveredRole);
+        if (m_hoveredInviteByLinkRow >= 0)
+            model()->setData(model()->index(m_hoveredInviteByLinkRow, 0), 1, ChannelInviteByLinkBtnHoveredRole);
+        setCursor((m_hoveredInviteRow >= 0 || m_hoveredInviteByLinkRow >= 0) ? Qt::PointingHandCursor : Qt::ArrowCursor);
         QListView::mouseMoveEvent(e);
     }
     QItemSelectionModel::SelectionFlags selectionCommand(const QModelIndex& idx, const QEvent* e) const override {
@@ -63,6 +78,7 @@ protected:
 
 private:
     int m_hoveredInviteRow = -1;
+    int m_hoveredInviteByLinkRow = -1;
 };
 
 static QIcon makeChannelIcon(const QColor &color, const QString &letter) {
@@ -134,20 +150,6 @@ ChannelList::ChannelList(DbManager* db, QWidget *parent)
     connect(createBtn, &QPushButton::clicked, this, [this] { emit createGroupRequested(); });
     fl->addWidget(createBtn);
 
-    auto *inviteBtn = new QPushButton("INV", footer);
-    inviteBtn->setFixedSize(36, 28);
-    inviteBtn->setToolTip(QString::fromUtf8("Пригласить в канал по ссылке"));
-    inviteBtn->setStyleSheet(
-        "QPushButton { border: 1.5px solid #E67E22; border-radius: 6px;"
-        " font-size: 11px; font-weight: bold; color: #E67E22; background: transparent; }"
-        "QPushButton:hover { background: #E67E22; color: white; }");
-    connect(inviteBtn, &QPushButton::clicked, this, [this] {
-        QModelIndex cur = m_listView->currentIndex();
-        if (cur.isValid())
-            emit inviteByLinkRequested(cur.data(ChannelChannelIdRole).toString());
-    });
-    fl->addWidget(inviteBtn);
-
     auto *plusBtn = new QPushButton("+", footer);
     plusBtn->setFixedSize(28, 28);
     plusBtn->setToolTip(QString::fromUtf8("Присоединиться"));
@@ -169,6 +171,8 @@ ChannelList::ChannelList(DbManager* db, QWidget *parent)
             });
     connect(static_cast<ChannelListView*>(m_listView), &ChannelListView::inviteClicked,
             this, &ChannelList::inviteRequested);
+    connect(static_cast<ChannelListView*>(m_listView), &ChannelListView::inviteByLinkClicked,
+            this, &ChannelList::inviteByLinkRequested);
 }
 
 void ChannelList::loadChannels() {