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
  18
  19 enum { FIRST_POINT, NEXT_POINT };
  20
  21
  22 DrawDimensionAction::DrawDimensionAction(): state(0), dimension(NULL)
  23 {
  24 }
  25
  26
  27 DrawDimensionAction::~DrawDimensionAction()
  28 {
  29 }
  30
  31
  32 /*virtual*/ void DrawDimensionAction::Draw(Painter * painter)
  33 {
  34         painter->SetPen(QPen(Qt::red, 2.0, Qt::DotLine));
  35
  36         // I think stuff like crosshairs should be done in the DrawingView, tho
  37         if (state == FIRST_POINT)
  38         {
  39                 painter->DrawHandle(p1);
  40         }
  41         else
  42         {
  43                 painter->DrawLine(p1, p2);
  44                 painter->DrawHandle(p2);
  45         }
  46 }
  47
  48
  49 /*virtual*/ void DrawDimensionAction::MouseDown(Vector point)
  50 {
  51         if (state == FIRST_POINT)
  52                 p1 = point;
  53         else
  54                 p2 = point;
  55 }
  56
  57
  58 /*virtual*/ void DrawDimensionAction::MouseMoved(Vector point)
  59 {
  60         if (state == FIRST_POINT)
  61                 p1 = point;
  62         else
  63                 p2 = point;
  64 }
  65
  66
  67 /*virtual*/ void DrawDimensionAction::MouseReleased(void)
  68 {
  69         if (state == FIRST_POINT)
  70         {
  71                 p2 = p1;
  72                 state = NEXT_POINT;
  73         }
  74         else if (state == NEXT_POINT)
  75         {
  76                 // We create the new object here, and then pass it off to the
  77                 // DrawingView which stuffs it into the document.
  78                 dimension = new Dimension(p1, p2);
  79                 // We don't need no stinkin' sentinels, when we have signals & slots!
  80                 emit ObjectReady(dimension);
  81
  82                 state = FIRST_POINT;
  83         }
  84 }
  85
  86
  87 /*virtual*/ void DrawDimensionAction::KeyDown(int /*key*/)
  88 {
  89 }
  90
  91
  92 /*virtual*/ void DrawDimensionAction::KeyReleased(int /*key*/)
  93 {
  94 }
  95