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

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) {
-            model()->setData(model()->index(prevRow, 0), 0, ChannelInviteBtnHoveredRole);
+        if (m_hoveredInviteRow != prevInv)
+            model()->setData(model()->index(prevInv, 0), 0, ChannelInviteBtnHoveredRole);
+        if (m_hoveredInviteRow >= 0)
             model()->setData(model()->index(m_hoveredInviteRow, 0), 1, ChannelInviteBtnHoveredRole);
-        }
-        setCursor(m_hoveredInviteRow >= 0 ? Qt::PointingHandCursor : Qt::ArrowCursor);
+        if (m_hoveredInviteByLinkRow != prevInvBy)
+            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() {