a whole lotta work!!

- refactoring
- completely changed the tooling (adding elements)
- better re-use for more stable editing
- new elements
- ui adjustments
- LINT for stair-editing
- many more changes

params/ToolBoxWidget.h

@@ -7,6 +7,9 @@ class MapLayer;
 class QPushButton;
 class MapView2D;
 
+/**
+ * gui element with actions to perform
+ */
 class ToolBoxWidget : public QWidget {
 
 	Q_OBJECT
@@ -28,13 +31,14 @@ private:
 	MapLayer* curLayer;
 	int r = 0;
 
+	QPushButton* btnSelect;
+
 	QPushButton* btnGround;
 	QPushButton* btnWall;
 	QPushButton* btnPillar;
 	QPushButton* btnDoor;
 	QPushButton* btnStair;
 
-
 	QPushButton* btnWifi;
 	QPushButton* btnBeacon;
 	QPushButton* btnPOI;
@@ -43,6 +47,8 @@ private:
 
 private slots:
 
+	void onSelect();
+
 	void onNewGround();
 	void onNewWall();
 	void onNewPillar();