Change a specific position at history

Needed to correct the history when columns size change

src/history/HistoryScroll.h

@@ -47,6 +47,10 @@ public:
 
     virtual void addLine(bool previousWrapped = false) = 0;
 
+    // modify history
+    virtual void setCellsVectorAt(int position, const QVector<Character> &cells) = 0;
+    virtual void setLineAt(int position, bool previousWrapped) = 0;
+
     //
     // FIXME:  Passing around constant references to HistoryType instances
     // is very unsafe, because those references will no longer

src/history/HistoryScrollFile.cpp

@@ -79,3 +79,11 @@ void HistoryScrollFile::addLine(bool previousWrapped)
     unsigned char flags = previousWrapped ? 0x01 : 0x00;
     _lineflags.add(reinterpret_cast<char *>(&flags), sizeof(char));
 }
+
+void HistoryScrollFile::setCellsVectorAt(int , const QVector<Character> &)
+{
+}
+
+void HistoryScrollFile::setLineAt(int , bool)
+{
+}

src/history/HistoryScrollFile.h

@@ -34,6 +34,9 @@ public:
     void addCells(const Character text[], int count) override;
     void addLine(bool previousWrapped = false) override;
 
+    void setCellsVectorAt(int position, const QVector<Character> &cells) override;
+    void setLineAt(int position, bool previousWrapped) override;
+
 private:
     qint64 startOfLine(int lineno);
 

src/history/HistoryScrollNone.cpp

@@ -51,3 +51,11 @@ void HistoryScrollNone::addCells(const Character [], int)
 void HistoryScrollNone::addLine(bool)
 {
 }
+
+void HistoryScrollNone::setCellsVectorAt(int , const QVector<Character> &)
+{
+}
+
+void HistoryScrollNone::setLineAt(int , bool)
+{
+}

src/history/HistoryScrollNone.h

@@ -32,6 +32,9 @@ public:
 
     void addCells(const Character a[], int count) override;
     void addLine(bool previousWrapped = false) override;
+
+    void setCellsVectorAt(int position, const QVector<Character> &cells) override;
+    void setLineAt(int position, bool previousWrapped) override;
 };
 
 }

src/history/compact/CompactHistoryScroll.cpp

@@ -91,6 +91,21 @@ void CompactHistoryScroll::setMaxNbLines(unsigned int lineCount)
     ////qDebug() << "set max lines to: " << _maxLineCount;
 }
 
+void CompactHistoryScroll::setCellsVectorAt(int position, const TextLine &cells)
+{
+    CompactHistoryLine *line = new(_blockList) CompactHistoryLine(cells, _blockList);
+
+    delete _lines.takeAt(position);
+    _lines.insert(position, line);
+}
+
+void CompactHistoryScroll::setLineAt(int position, bool previousWrapped)
+{
+    CompactHistoryLine *line = _lines.at(position);
+
+    line->setWrapped(previousWrapped);
+}
+
 bool CompactHistoryScroll::isWrappedLine(int lineNumber)
 {
     Q_ASSERT(lineNumber < _lines.size());

src/history/compact/CompactHistoryScroll.h

@@ -33,6 +33,8 @@ public:
     void addLine(bool previousWrapped = false) override;
 
     void setMaxNbLines(unsigned int lineCount);
+    void setCellsVectorAt(int position, const TextLine &cells) override;
+    void setLineAt(int position, bool previousWrapped) override;
 
 private:
     bool hasDifferentColors(const TextLine &line) const;