Shamusworld >> Repos - architektonas/blob - src/actions/rs_actiondrawlinetangent2.h

   1 #ifndef RS_ACTIONDRAWLINETANGENT2_H
   2 #define RS_ACTIONDRAWLINETANGENT2_H
   3
   4 #include "rs_line.h"
   5 #include "rs_previewactioninterface.h"
   6
   7 class RS_Entity;
   8 /**
   9  * This action class can handle user events to draw tangents from circle to
  10  * circle.
  11  *
  12  * @author Andrew Mustun
  13  */
  14 class RS_ActionDrawLineTangent2: public RS_PreviewActionInterface
  15 {
  16         private:
  17                 enum Status {
  18                         SetCircle1,     /**< Choose the startpoint. */
  19                         SetCircle2      /**< Choose the circle / arc. */
  20                 };
  21
  22         public:
  23                 RS_ActionDrawLineTangent2(RS_EntityContainer & container, GraphicView & graphicView);
  24                 ~RS_ActionDrawLineTangent2();
  25
  26                 virtual void trigger();
  27                 virtual void mouseMoveEvent(QMouseEvent * e);
  28                 virtual void mouseReleaseEvent(QMouseEvent * e);
  29                 virtual void updateMouseButtonHints();
  30                 //virtual void hideOptions();
  31                 //virtual void showOptions();
  32                 virtual void updateMouseCursor();
  33                 virtual void updateToolBar();
  34
  35         private:
  36                 /** Closest tangent. */
  37                 RS_Line * tangent;
  38                 /** 1st chosen entity */
  39                 RS_Entity * circle1;
  40                 /** 2nd chosen entity */
  41                 RS_Entity * circle2;
  42                 /** Data of new tangent */
  43                 RS_LineData data;
  44 };
  45
  46 #endif