Refactor: Abstract dimension input and finalize creation logic to SketchTool

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>

src/SketchTool.h

@@ -2,6 +2,8 @@
 #define SKETCHTOOL_H
 
 #include <QObject>
+#include <QStringList>
+#include <QMap>
 
 class QMouseEvent;
 class QKeyEvent;
@@ -19,7 +21,7 @@ public:
 
     virtual void mousePressEvent(QMouseEvent *event) = 0;
     virtual void mouseMoveEvent(QMouseEvent *event) = 0;
-    virtual void keyPressEvent(QKeyEvent *event) = 0;
+    virtual void keyPressEvent(QKeyEvent *event);
 
     virtual void paintGL() = 0;
     virtual void paint2D(QPainter& painter, const QMatrix4x4& modelView, const QMatrix4x4& projection) = 0;
@@ -28,7 +30,11 @@ public:
     virtual void deactivate();
 
 protected:
+    virtual void finalizeCreation() = 0;
     ViewportWidget* m_viewport;
+    bool m_isDefining = false;
+    QStringList m_dimensionModes;
+    QMap<QString, QString> m_dimensionPropertyNames;
 };
 
 #endif // SKETCHTOOL_H