Farbvorschau und Farbauswahl hinter Farbwerten implementiert

src/editor/CodeEditor.h

@@ -3,10 +3,12 @@
 #include <QPlainTextEdit>
 #include <QFont>
 #include <QString>
+#include <QTextBlock>
 
 class LineNumberArea;
 class Settings;
 class SyntaxHighlighter;
+class ColorIndicator;
 
 // ---------------------------------------------------------------------------
 // CodeEditor – Core editing widget.
@@ -39,6 +41,12 @@ public:
     QString filePath()   const;
     bool    isModified() const;
 
+    // Öffentliche Hilfsmethoden für ColorIndicator
+    // (die Qt-Originale sind protected und von außen nicht erreichbar)
+    QTextBlock firstVisibleBlockPublic() const  { return firstVisibleBlock(); }
+    QRectF     blockBoundingGeometryPublic(const QTextBlock &b) const { return blockBoundingGeometry(b); }
+    QPointF    contentOffsetPublic() const      { return contentOffset(); }
+
 signals:
     void fileSaved(const QString &filePath);
 
@@ -46,6 +54,7 @@ protected:
     void resizeEvent(QResizeEvent *event) override;
     void keyPressEvent(QKeyEvent *event) override;
     void paintEvent(QPaintEvent *event) override;
+    void mousePressEvent(QMouseEvent *event) override;
 
 private slots:
     void updateLineNumberAreaWidth(int newBlockCount);
@@ -60,5 +69,6 @@ private:
     Settings          *m_settings        = nullptr;
     LineNumberArea    *m_lineNumberArea   = nullptr;
     SyntaxHighlighter *m_highlighter      = nullptr;
+    ColorIndicator    *m_colorIndicator   = nullptr;
     QString            m_filePath;
 };