refactor(chatlog): Remove unused getRow functions from ChatLine

* The getRow functions would not track correctly since the rows indexes
  cannot be fixed to the view anymore

src/chatlog/chatline.cpp

@@ -37,14 +37,6 @@ ChatLine::~ChatLine()
     }
 }
 
-void ChatLine::setRow(int idx)
-{
-    row = idx;
-
-    for (int c = 0; c < static_cast<int>(content.size()); ++c)
-        content[c]->setIndex(row, c);
-}
-
 void ChatLine::visibilityChanged(bool visible)
 {
     if (isVisible != visible) {
@@ -55,11 +47,6 @@ void ChatLine::visibilityChanged(bool visible)
     isVisible = visible;
 }
 
-int ChatLine::getRow() const
-{
-    return row;
-}
-
 ChatLineContent* ChatLine::getContent(int col) const
 {
     if (col < static_cast<int>(content.size()) && col >= 0)
@@ -153,6 +140,7 @@ void ChatLine::addColumn(ChatLineContent* item, ColumnFormat fmt)
 
     format.push_back(fmt);
     content.push_back(item);
+    item->setIndex(0, content.size() -1 );
 }
 
 void ChatLine::replaceContent(int col, ChatLineContent* lineContent)
@@ -262,8 +250,3 @@ bool ChatLine::lessThanBSRectBottom(const ChatLine::Ptr& lhs, const qreal& rhs)
 {
     return lhs->sceneBoundingRect().bottom() < rhs;
 }
-
-bool ChatLine::lessThanRowIndex(const ChatLine::Ptr& lhs, const ChatLine::Ptr& rhs)
-{
-    return lhs->getRow() < rhs->getRow();
-}

src/chatlog/chatline.h

@@ -84,7 +84,6 @@ public:
     void reloadTheme();
 
     int getColumnCount();
-    int getRow() const;
 
     ChatLineContent* getContent(int col) const;
     ChatLineContent* getContent(QPointF scenePos) const;
@@ -94,7 +93,6 @@ public:
     // comparators
     static bool lessThanBSRectTop(const ChatLine::Ptr& lhs, const qreal& rhs);
     static bool lessThanBSRectBottom(const ChatLine::Ptr& lhs, const qreal& rhs);
-    static bool lessThanRowIndex(const ChatLine::Ptr& lhs, const ChatLine::Ptr& rhs);
 
 protected:
     friend class ChatLog;
@@ -103,7 +101,6 @@ protected:
 
     void addColumn(ChatLineContent* item, ColumnFormat fmt);
     void updateBBox();
-    void setRow(int idx);
     void visibilityChanged(bool visible);
 
 private:

src/chatlog/chatlinecontent.cpp

@@ -30,11 +30,6 @@ int ChatLineContent::getColumn() const
     return col;
 }
 
-int ChatLineContent::getRow() const
-{
-    return row;
-}
-
 int ChatLineContent::type() const
 {
     return GraphicsItemType::ChatLineContentType;

src/chatlog/chatlinecontent.h

@@ -35,7 +35,6 @@ public:
     };
 
     int getColumn() const;
-    int getRow() const;
 
     virtual void setWidth(qreal width) = 0;
     int type() const final;

src/chatlog/chatlog.cpp

@@ -932,13 +932,6 @@ void ChatLog::checkVisibility()
 
     visibleLines = newVisibleLines;
 
-    // enforce order
-    std::sort(visibleLines.begin(), visibleLines.end(), ChatLine::lessThanRowIndex);
-
-    // if (!visibleLines.empty())
-    //  qDebug() << "visible from " << visibleLines.first()->getRow() << "to " <<
-    //  visibleLines.last()->getRow() << " total " << visibleLines.size();
-
     if (!visibleLines.isEmpty()) {
         emit firstVisibleLineChanged(lastLineBeforeVisible, visibleLines.at(0));
     }