1 files changed, 46 insertions, 0 deletions
diff --git a/FoldingCodeExample/editor.h b/FoldingCodeExample/editor.h
new file mode 100644
index 0000000..97e176d
--- /dev/null
+++ b/FoldingCodeExample/editor.h
@@ -0,0 +1,46 @@
+#ifndef EDITOR_H
+#define EDITOR_H
+
+#include <QPlainTextEdit>
+#include <QPlainTextDocumentLayout>
+#include <QTextBlock>
+#include <QSize>
+#include <QDebug>
+
+class QPaintEvent;
+class QMouseEvent;
+
+class EditorLayout : public QPlainTextDocumentLayout
+{
+    Q_OBJECT
+
+public:
+    EditorLayout(QTextDocument *document) : QPlainTextDocumentLayout(document) {
+    }
+
+    void emitDocumentSizeChanged() {
+        emit documentSizeChanged(documentSize());
+    }
+};
+
+class Editor : public QPlainTextEdit
+{
+    Q_OBJECT
+
+public:
+    Editor();
+
+protected:
+    void paintEvent(QPaintEvent *event);
+    void mousePressEvent(QMouseEvent *event);
+
+private slots:
+    void updateCursorPosition();
+
+private:
+    QTextBlock foldedBlockAt(const QPoint &point);
+
+    bool folded;
+};
+
+#endif