Shamusworld >> Repos - architektonas/blob - src/drawdimensionaction.cpp

   1 // drawdimensionaction.cpp: Action class for drawing dimensions
   2 //
   3 // Part of the Architektonas Project
   4 // (C) 2011 Underground Software
   5 // See the README and GPLv3 files for licensing and warranty information
   6 //
   7 // JLH = James Hammons <jlhamm@acm.org>
   8 //
   9 // WHO  WHEN        WHAT
  10 // ---  ----------  ------------------------------------------------------------
  11 // JLH  03/15/2013  Created this file
  12 //
  13
  14 #include "drawdimensionaction.h"
  15 #include "dimension.h"
  16 #include "painter.h"
  17 //#include "vector.h"
  18
  19
  20 #define FIRST_POINT 0
  21 #define NEXT_POINT 1
  22
  23
  24 DrawDimensionAction::DrawDimensionAction(): state(0), dimension(NULL)
  25 {
  26 }
  27
  28
  29 DrawDimensionAction::~DrawDimensionAction()
  30 {
  31 }
  32
  33
  34 /*virtual*/ void DrawDimensionAction::Draw(Painter * painter)
  35 {
  36         painter->SetPen(QPen(Qt::red, 2.0, Qt::DotLine));
  37
  38         // I think stuff like crosshairs should be done in the DrawingView, tho
  39         if (state == FIRST_POINT)
  40         {
  41                 painter->DrawHandle(p1);
  42         }
  43         else
  44         {
  45                 painter->DrawLine(p1, p2);
  46                 painter->DrawHandle(p2);
  47         }
  48 }
  49
  50
  51 /*virtual*/ void DrawDimensionAction::MouseDown(Vector point)
  52 {
  53         if (state == FIRST_POINT)
  54                 p1 = point;
  55         else
  56                 p2 = point;
  57 }
  58
  59
  60 /*virtual*/ void DrawDimensionAction::MouseMoved(Vector point)
  61 {
  62         if (state == FIRST_POINT)
  63                 p1 = point;
  64         else
  65                 p2 = point;
  66 }
  67
  68
  69 /*virtual*/ void DrawDimensionAction::MouseReleased(void)
  70 {
  71         if (state == FIRST_POINT)
  72         {
  73                 p2 = p1;
  74                 state = NEXT_POINT;
  75         }
  76         else if (state == NEXT_POINT)
  77         {
  78                 // We create the new object here, and then pass it off to the
  79                 // DrawingView which stuffs it into the document.
  80 //              line = new Line(p1, p2);
  81                 dimension = new Dimension(p1, p2);
  82                 // We don't need no stinkin' sentinels, when we have signals & slots!
  83                 emit ObjectReady(dimension);
  84
  85                 state = FIRST_POINT;
  86 //              p1 = p2;
  87         }
  88 }
  89
  90
  91 /*virtual*/ bool DrawDimensionAction::KeyDown(int /*key*/)
  92 {
  93         return false;
  94 }
  95
  96
  97 /*virtual*/ bool DrawDimensionAction::KeyReleased(int /*key*/)
  98 {
  99         return false;
 100 }
 101