Open desktop chat polls with a single left click

tools/chatgui/src/messagedelegate.cpp

@@ -143,10 +143,19 @@ bool MessageDelegate::editorEvent(QEvent *event, QAbstractItemModel *model,
     for (const auto& chip : L.reactionChips) if (chip.rect.contains(point)) { reaction = chip.id; break; }
     const bool onReaction = mouse->button() == Qt::LeftButton && reaction != -2;
     const bool onAvatar=mouse->button()==Qt::LeftButton && !L.narrow && L.avatarRect.contains(mouse->pos()-option.rect.topLeft());
+    const bool onPoll = index.data(MsgContentTypeRole).toString() == "poll"
+        && !index.data(MsgChannelIdRole).toString().startsWith("dm:") && L.bubbleRect.contains(point)
+        && (!L.reactionHeart.isValid() || point.y() < L.reactionHeart.top());
     if (event->type()==QEvent::MouseButtonPress) {
         m_reactionPress = onReaction ? index : QModelIndex(); m_pressedReaction = reaction; m_reactionPressPosition = mouse->pos();
-        m_avatarPress=onAvatar ? index : QModelIndex(); m_avatarPressPosition=mouse->pos(); return onAvatar || onReaction;
+        m_avatarPress=onAvatar ? index : QModelIndex(); m_avatarPressPosition=mouse->pos();
+        m_pollPress = onPoll ? index : QModelIndex(); m_pollPressPosition = mouse->pos();
+        return onAvatar || onReaction || onPoll;
     }
+    const auto* view = qobject_cast<const ChatView*>(option.widget);
+    const bool activatePoll = onPoll && m_pollPress == index && (mouse->pos() - m_pollPressPosition).manhattanLength() < 5
+        && (!view || !view->textSelection().active);
+    m_pollPress = QPersistentModelIndex();
     const bool hadReactionPress = m_reactionPress.isValid();
     const bool activateAvatar=onAvatar && m_avatarPress==index && (mouse->pos()-m_avatarPressPosition).manhattanLength()<5;
     m_avatarPress=QPersistentModelIndex();
@@ -162,6 +171,18 @@ bool MessageDelegate::editorEvent(QEvent *event, QAbstractItemModel *model,
     if (onAvatar) return true;
     if (L.reactionHeart.isValid() && point.y() >= L.reactionHeart.top()) return true;
 
+    if (onPoll) {
+        if (!activatePoll) return true;
+        const QString messageId = index.data(MsgMessageKeyRole).toString();
+        if (messageId.size() != 64) {
+            GUI_WARN("poll: cannot open message with invalid key row=%d key_bytes=%d", index.row(), int(messageId.size()));
+            return true;
+        }
+        GUI_INFO("poll: left click ch=%s message=%s", qPrintable(index.data(MsgChannelIdRole).toString()), qPrintable(messageId));
+        emit pollRequested(messageId);
+        return true;
+    }
+
     if (L.isVideo) {
         int dlState = index.data(MsgFileDownloadStateRole).toInt();