Shamusworld >> Repos - architektonas/blob - src/actions/actiondrawlinetangent2.cpp

   1 // actiondrawlinetangent2.cpp
   2 //
   3 // Part of the Architektonas Project
   4 // Originally part of QCad Community Edition by Andrew Mustun
   5 // Extensively rewritten and refactored by James L. Hammons
   6 // Portions copyright (C) 2001-2003 RibbonSoft
   7 // Copyright (C) 2010 Underground Software
   8 // See the README and GPLv2 files for licensing and warranty information
   9 //
  10 // JLH = James L. Hammons <jlhamm@acm.org>
  11 //
  12 // Who  When        What
  13 // ---  ----------  -----------------------------------------------------------
  14 // JLH  06/04/2010  Added this text. :-)
  15 //
  16
  17 #include "actiondrawlinetangent2.h"
  18
  19 #include "creation.h"
  20 #include "debug.h"
  21 #include "dialogfactory.h"
  22 #include "graphicview.h"
  23 #include "preview.h"
  24
  25 ActionDrawLineTangent2::ActionDrawLineTangent2(
  26         RS_EntityContainer & container, GraphicView & graphicView):
  27         ActionInterface("Draw Tangents 2", container, graphicView)
  28 {
  29         tangent = NULL;
  30         circle1 = NULL;
  31         circle2 = NULL;
  32 }
  33
  34 ActionDrawLineTangent2::~ActionDrawLineTangent2()
  35 {
  36 }
  37
  38 void ActionDrawLineTangent2::trigger()
  39 {
  40         ActionInterface::trigger();
  41
  42         if (tangent != NULL)
  43         {
  44                 RS_Entity * newEntity = NULL;
  45                 newEntity = new RS_Line(container, tangent->getData());
  46
  47                 if (newEntity != NULL)
  48                 {
  49                         newEntity->setLayerToActive();
  50                         newEntity->setPenToActive();
  51                         container->addEntity(newEntity);
  52
  53                         // upd. undo list:
  54                         if (document != NULL)
  55                         {
  56                                 document->startUndoCycle();
  57                                 document->addUndoable(newEntity);
  58                                 document->endUndoCycle();
  59                         }
  60                         graphicView->drawEntity(newEntity);
  61                         setStatus(SetCircle1);
  62                 }
  63
  64                 delete tangent;
  65                 tangent = NULL;
  66         }
  67         else
  68                 RS_DEBUG->print("ActionDrawLineTangent2::trigger:"
  69                         " Entity is NULL\n");
  70 }
  71
  72 void ActionDrawLineTangent2::mouseMoveEvent(QMouseEvent * e)
  73 {
  74         RS_DEBUG->print("ActionDrawLineTangent2::mouseMoveEvent begin");
  75
  76         Vector mouse(graphicView->toGraphX(e->x()), graphicView->toGraphY(e->y()));
  77
  78         switch (getStatus())
  79         {
  80         case SetCircle1: {
  81                 RS_Entity * en = catchEntity(e, RS2::ResolveAll);
  82
  83                 if (en != NULL && (en->rtti() == RS2::EntityCircle
  84                                    || en->rtti() == RS2::EntityArc))
  85                         circle1 = en;
  86         }
  87         break;
  88
  89         case SetCircle2:
  90         {
  91                 RS_Entity * en = catchEntity(e, RS2::ResolveAll);
  92
  93                 if (en && (en->rtti() == RS2::EntityCircle
  94                         || en->rtti() == RS2::EntityArc))
  95                 {
  96                         circle2 = en;
  97                         RS_Creation creation(NULL, NULL);
  98                         RS_Line * t = creation.createTangent2(mouse, circle1, circle2);
  99
 100                         if (t)
 101                         {
 102                                 if (tangent)
 103                                         delete tangent;
 104
 105                                 tangent = (RS_Line *)t->clone();
 106
 107                                 deletePreview();
 108                                 clearPreview();
 109 //                              preview->addEntity(t);
 110                                 drawPreview();
 111                         }
 112                 }
 113         }
 114         break;
 115
 116         default:
 117                 break;
 118         }
 119
 120         RS_DEBUG->print("ActionDrawLineTangent2::mouseMoveEvent end");
 121 }
 122
 123 void ActionDrawLineTangent2::mouseReleaseEvent(QMouseEvent * e)
 124 {
 125         if (e->button() == Qt::RightButton)
 126         {
 127                 deletePreview();
 128                 clearPreview();
 129                 init(getStatus() - 1);
 130         }
 131         else
 132         {
 133                 switch (getStatus())
 134                 {
 135                 case SetCircle1:
 136                         setStatus(SetCircle2);
 137                         break;
 138
 139                 case SetCircle2:
 140                         trigger();
 141                         break;
 142                 }
 143         }
 144 }
 145
 146 void ActionDrawLineTangent2::updateMouseButtonHints()
 147 {
 148         if (RS_DIALOGFACTORY != NULL)
 149         {
 150                 switch (getStatus())
 151                 {
 152                 case SetCircle1:
 153                         RS_DIALOGFACTORY->updateMouseWidget(tr("Select first circle or arc"),
 154                                 tr("Cancel"));
 155                         break;
 156
 157                 case SetCircle2:
 158                         RS_DIALOGFACTORY->updateMouseWidget(tr("Select second circle or arc"),
 159                                 tr("Back"));
 160                         break;
 161
 162                 default:
 163                         RS_DIALOGFACTORY->updateMouseWidget("", "");
 164                         break;
 165                 }
 166         }
 167 }
 168
 169 void ActionDrawLineTangent2::updateMouseCursor()
 170 {
 171         graphicView->setMouseCursor(RS2::CadCursor);
 172 }
 173
 174 void ActionDrawLineTangent2::updateToolBar()
 175 {
 176         if (RS_DIALOGFACTORY != NULL)
 177                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarLines);
 178 }