Wire desktop subgroup messaging and the fallback mode choice

tools/chatgui/src/accountlist.cpp

@@ -661,14 +661,31 @@ void AccountList::onMemberContextMenu(const QPoint& pos) {
         qPrintable(index.data(MemberListModel::DevgroupRole).toString()));
     if (index.data(GroupedMemberModel::GroupHeaderRole).toBool()) {
         const QString group = index.data(MemberListModel::DevgroupRole).toString(), channel = m_channelId;
-        if (!ownGroupNode(group)) return;
+        const bool own = ownGroupNode(group) != 0;
+        quint64 target = 0; QString name;
+        for (int row = 0; row < m_model->rowCount(); ++row) {
+            const auto item = m_model->index(row);
+            if (item.data(MemberListModel::DevgroupRole).toString() != group ||
+                (item.data(Qt::UserRole + 3).toInt() & CHAT_MEMBER_FLAG_DELETED)) continue;
+            const auto member = m_model->member(m_model->nodeIdAt(row));
+            if (member && !member->is_self) { target = member->node_id; name = QString::fromUtf8(member->devgroup_name); break; }
+        }
         QPointer<AccountList> alive(this); QMenu menu;
         connect(this, &QObject::destroyed, &menu, &QMenu::close);
-        auto* rename = menu.addAction(QCoreApplication::translate("ChatGui", "Rename"));
-        rename->setEnabled(gui_bridge_is_uasync_ready());
-        auto* finish = hasPendingDevicePairing() ? menu.addAction(QCoreApplication::translate("ChatGui", "Finish pairing")) : nullptr;
+        auto* message = !own && target ? menu.addAction(QCoreApplication::translate("ChatGui", "Send message")) : nullptr;
+        auto* rename = own ? menu.addAction(QCoreApplication::translate("ChatGui", "Rename")) : nullptr;
+        if (rename) rename->setEnabled(gui_bridge_is_uasync_ready());
+        auto* finish = own && hasPendingDevicePairing() ? menu.addAction(QCoreApplication::translate("ChatGui", "Finish pairing")) : nullptr;
         auto* chosen = menu.exec(view->viewport()->mapToGlobal(pos));
-        if (!chosen || !alive || channel != m_channelId || !ownGroupNode(group)) return;
+        if (!chosen || !alive || channel != m_channelId) return;
+        if (message && chosen == message) {
+            const auto current = m_model->member(target);
+            if (current && !(current->flags & CHAT_MEMBER_FLAG_DELETED) &&
+                QByteArray(reinterpret_cast<const char*>(current->devgroup), 32).toHex() == group.toLatin1())
+                emit pmRequested(channel, target, name, true);
+            return;
+        }
+        if (!ownGroupNode(group)) return;
         if (chosen == rename) renameGroup(group);
         else if (finish && chosen == finish) finishDevicePairing(this);
         return;
@@ -723,7 +740,26 @@ void AccountList::onMemberContextMenu(const QPoint& pos) {
     if (chosen == inviteAction) { emit inviteRequested(channel, nodeId, name); return; }
     if (chosen == radioCallAction) { emit radioCallRequested(channel, nodeId); return; }
     if (chosen == filesAction) { emit filesRequested(channel, nodeId); return; }
-    if (chosen == pmAction) { emit pmRequested(channel, nodeId, name); return; }
+    if (chosen == pmAction) {
+        bool ownGroup = false, groups = false; const uint8_t noGroup[32] = {0};
+        for (int row = 0; row < m_model->rowCount(); ++row) {
+            const auto item = m_model->index(row);
+            if (item.data(Qt::UserRole + 2).toBool() && !item.data(MemberListModel::DevgroupRole).toString().isEmpty() &&
+                !(item.data(Qt::UserRole + 3).toInt() & CHAT_MEMBER_FLAG_DELETED)) ownGroup = true;
+        }
+        if (ownGroup && !memcmp(current->devgroup, noGroup, 32)) {
+            QMessageBox choice(QMessageBox::Question, QCoreApplication::translate("ChatGui", "Send message"),
+                QCoreApplication::translate("ChatGui", "Choose which devices participate in this conversation."), QMessageBox::Cancel, this);
+            auto* withGroups = choice.addButton(QCoreApplication::translate("ChatGui", "With device groups"), QMessageBox::AcceptRole);
+            auto* devices = choice.addButton(QCoreApplication::translate("ChatGui", "Only these devices"), QMessageBox::AcceptRole);
+            choice.exec(); if (!alive || channel != m_channelId) return;
+            if (choice.clickedButton() != withGroups && choice.clickedButton() != devices) return;
+            groups = choice.clickedButton() == withGroups;
+            const auto latest = m_model->member(nodeId);
+            if (!latest || latest->is_self || memcmp(latest->devgroup, current->devgroup, 32)) return;
+        }
+        emit pmRequested(channel, nodeId, name, groups); return;
+    }
     if (chosen == callAction) { emit callRequested(channel, nodeId, name); return; }
     if (chosen == connectAction) {
         auto* request = static_cast<chat_connect_node_req*>(u_calloc(1, sizeof(chat_connect_node_req)));