Keep invite hit testing in the message presenter and show link cursor

tools/chatgui/src/chatview.cpp

@@ -154,6 +154,8 @@ void ChatView::mouseMoveEvent(QMouseEvent *event) {
     }
     if (!m_selecting) {
         QModelIndex idx = indexAt(viewport()->mapFrom(this, event->pos()));
+        const bool link = m_inviteHitTest && !m_inviteHitTest(idx, event->pos()).isEmpty();
+        viewport()->setCursor(link ? Qt::PointingHandCursor : Qt::ArrowCursor);
         if (idx != QModelIndex(m_lastHovered)) {
             m_lastHovered = idx;
             const auto paths = animatedEmojiPaths(idx);
@@ -183,9 +185,7 @@ void ChatView::mouseReleaseEvent(QMouseEvent *event) {
     const QModelIndex pressed(m_pressIndex);
     if (event->button() == Qt::LeftButton && !m_selecting && pressed.isValid() &&
         (event->pos() - m_pressPos).manhattanLength() < 5 && indexAt(event->pos()) == pressed) {
-        auto* delegate = qobject_cast<MessageDelegate*>(itemDelegate(pressed));
-        QStyleOptionViewItem option; option.initFrom(this); option.widget = this; option.rect = visualRect(pressed);
-        const QString link = delegate ? delegate->inviteLinkAt(option, pressed, event->pos()) : QString();
+        const QString link = m_inviteHitTest ? m_inviteHitTest(pressed, event->pos()) : QString();
         if (!link.isEmpty()) {
             m_pressIndex = QPersistentModelIndex();
             GUI_INFO("invite link: activated row=%d bytes=%d", pressed.row(), link.size());

tools/chatgui/src/chatview.h

@@ -7,6 +7,7 @@
 #include <QPoint>
 #include <QPushButton>
 #include <QSet>
+#include <functional>
 
 struct ChatTextSelection {
     QPersistentModelIndex index;
@@ -32,6 +33,7 @@ public:
 
     bool isRowSelected(const QModelIndex &idx) const;
     void setTextSelChars(int start, int end) { m_textSel.startChar = start; m_textSel.endChar = end; }
+    void setInviteHitTest(std::function<QString(const QModelIndex&, const QPoint&)> fn) { m_inviteHitTest = std::move(fn); }
 
 signals:
     void animationTriggered();
@@ -60,5 +62,6 @@ private:
     QPersistentModelIndex m_pressIndex;
     QPoint m_pressPos;
     bool m_selecting = false;
+    std::function<QString(const QModelIndex&, const QPoint&)> m_inviteHitTest;
     QPushButton *m_scrollDownBtn = nullptr;
 };

tools/chatgui/src/messagelist.cpp

@@ -421,6 +421,10 @@ MessageList::MessageList(DbManager* db, AudioRecorder* recorder, QWidget *parent
 
     m_view->setModel(m_model);
     auto* msgDelegate = new MessageDelegate(this);
+    m_view->setInviteHitTest([this, msgDelegate](const QModelIndex& index, const QPoint& point) {
+        QStyleOptionViewItem option; option.initFrom(m_view); option.widget = m_view; option.rect = m_view->visualRect(index);
+        return msgDelegate->inviteLinkAt(option, index, point);
+    });
     msgDelegate->setVideoOpenCallback([this](const QString& path) {
         emit openVideoRequested(path);
     });