From 0d3cc207783066740a4b9d66daa54bdc7a25b340 Mon Sep 17 00:00:00 2001
From: AndreiCherniaev <dungeonlords789@yandex.ru>
Date: Wed, 28 Aug 2024 15:00:11 +0900
Subject: [PATCH 1/2] Update .gitignore

---
 .gitignore | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 7626bcb2..ca2bee8d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -46,7 +46,7 @@ QXlsx/debug/*
 QXlsx/release/*
 *.-1
 *.pro.user
-build-*/
+build*/
 /build-*/*
 
 # visual studio

From 230af505fedc40af3119f63e0645269853404510 Mon Sep 17 00:00:00 2001
From: AndreiCherniaev <dungeonlords789@yandex.ru>
Date: Wed, 28 Aug 2024 16:03:34 +0900
Subject: [PATCH 2/2] freeze row or col

Example
xlsx.currentWorksheet()->setFrozenRows(1);
To freeze header like in https://www.youtube.com/watch?v=e_X5b6FKSno

Co-Authored-By: SergeyZaz <2862297+sergeyzaz@users.noreply.github.com>
---
 QXlsx/header/xlsxabstractsheet_p.h |  3 +++
 QXlsx/header/xlsxworksheet.h       |  2 ++
 QXlsx/source/xlsxworksheet.cpp     | 25 +++++++++++++++++++++++++
 3 files changed, 30 insertions(+)

diff --git a/QXlsx/header/xlsxabstractsheet_p.h b/QXlsx/header/xlsxabstractsheet_p.h
index 6b5568fa..7a37c6ac 100644
--- a/QXlsx/header/xlsxabstractsheet_p.h
+++ b/QXlsx/header/xlsxabstractsheet_p.h
@@ -28,6 +28,9 @@ class AbstractSheetPrivate : public AbstractOOXmlFilePrivate
     int id;
     AbstractSheet::SheetState sheetState;
     AbstractSheet::SheetType type;
+
+    int frozen_rows{};
+    int frozen_cols{};
 };
 
 QT_END_NAMESPACE_XLSX
diff --git a/QXlsx/header/xlsxworksheet.h b/QXlsx/header/xlsxworksheet.h
index 7c9232a8..dae33794 100644
--- a/QXlsx/header/xlsxworksheet.h
+++ b/QXlsx/header/xlsxworksheet.h
@@ -186,6 +186,8 @@ class QXLSX_EXPORT Worksheet : public AbstractSheet
     bool isWhiteSpaceVisible() const;
     void setWhiteSpaceVisible(bool visible);
     bool setStartPage(int spagen); // add by liufeijin20181028
+    void setFrozenRows(int rows);
+    void setFrozenColumns(int cols);
 
     QVector<CellLocation> getFullCells(int *maxRow, int *maxCol);
 
diff --git a/QXlsx/source/xlsxworksheet.cpp b/QXlsx/source/xlsxworksheet.cpp
index 9f153963..ff65c198 100644
--- a/QXlsx/source/xlsxworksheet.cpp
+++ b/QXlsx/source/xlsxworksheet.cpp
@@ -1316,6 +1316,17 @@ void Worksheet::saveToXmlFile(QIODevice *device) const
     if (!d->showWhiteSpace)
         writer.writeAttribute(QStringLiteral("showWhiteSpace"), QStringLiteral("0"));
     writer.writeAttribute(QStringLiteral("workbookViewId"), QStringLiteral("0"));
+    if ((d->frozen_cols > 0) || (d->frozen_rows > 0)) {
+        writer.writeStartElement(QStringLiteral("pane"));
+        if (d->frozen_cols > 0)
+            writer.writeAttribute(QStringLiteral("xSplit"), QString::number(d->frozen_cols)); // set count of fixed col
+        if (d->frozen_rows > 0)
+            writer.writeAttribute(QStringLiteral("ySplit"), QString::number(d->frozen_rows)); // set count of fixed row
+        writer.writeAttribute(QStringLiteral("topLeftCell"), CellReference(d->frozen_rows + 1, d->frozen_cols + 1).toString()); //set next after fixed area cell
+        writer.writeAttribute(QStringLiteral("activePane"), QStringLiteral("bottomRight"));
+        writer.writeAttribute(QStringLiteral("state"), QStringLiteral("frozenSplit"));
+        writer.writeEndElement(); // pane
+    }
     writer.writeEndElement(); // sheetView
     writer.writeEndElement(); // sheetViews
 
@@ -1474,6 +1485,20 @@ bool Worksheet::setStartPage(int spagen)
 }
 //}}
 
+void Worksheet::setFrozenRows(int rows)
+{
+    Q_D(Worksheet);
+
+    d->frozen_rows=rows;
+}
+
+void Worksheet::setFrozenColumns(int cols)
+{
+    Q_D(Worksheet);
+
+    d->frozen_cols=cols;
+}
+
 void WorksheetPrivate::saveXmlSheetData(QXmlStreamWriter &writer) const
 {
     calculateSpans();