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 "rs_creation.h"
  20 #include "rs_dialogfactory.h"
  21 #include "graphicview.h"
  22 #include "rs_preview.h"
  23
  24 ActionDrawLineTangent2::ActionDrawLineTangent2(
  25         RS_EntityContainer & container, GraphicView & graphicView):
  26         ActionInterface("Draw Tangents 2", container, graphicView)
  27 {
  28         tangent = NULL;
  29         circle1 = NULL;
  30         circle2 = NULL;
  31 }
  32
  33 ActionDrawLineTangent2::~ActionDrawLineTangent2()
  34 {
  35 }
  36
  37 void ActionDrawLineTangent2::trigger()
  38 {
  39         ActionInterface::trigger();
  40
  41         if (tangent != NULL)
  42         {
  43                 RS_Entity * newEntity = NULL;
  44                 newEntity = new RS_Line(container, tangent->getData());
  45
  46                 if (newEntity != NULL)
  47                 {
  48                         newEntity->setLayerToActive();
  49                         newEntity->setPenToActive();
  50                         container->addEntity(newEntity);
  51
  52                         // upd. undo list:
  53                         if (document != NULL)
  54                         {
  55                                 document->startUndoCycle();
  56                                 document->addUndoable(newEntity);
  57                                 document->endUndoCycle();
  58                         }
  59                         graphicView->drawEntity(newEntity);
  60                         setStatus(SetCircle1);
  61                 }
  62
  63                 delete tangent;
  64                 tangent = NULL;
  65         }
  66         else
  67                 RS_DEBUG->print("ActionDrawLineTangent2::trigger:"
  68                         " Entity is NULL\n");
  69 }
  70
  71 void ActionDrawLineTangent2::mouseMoveEvent(QMouseEvent * e)
  72 {
  73         RS_DEBUG->print("ActionDrawLineTangent2::mouseMoveEvent begin");
  74
  75         Vector mouse(graphicView->toGraphX(e->x()), graphicView->toGraphY(e->y()));
  76
  77         switch (getStatus())
  78         {
  79         case SetCircle1: {
  80                 RS_Entity * en = catchEntity(e, RS2::ResolveAll);
  81
  82                 if (en != NULL && (en->rtti() == RS2::EntityCircle
  83                                    || en->rtti() == RS2::EntityArc))
  84                         circle1 = en;
  85         }
  86         break;
  87
  88         case SetCircle2:
  89         {
  90                 RS_Entity * en = catchEntity(e, RS2::ResolveAll);
  91
  92                 if (en && (en->rtti() == RS2::EntityCircle
  93                         || en->rtti() == RS2::EntityArc))
  94                 {
  95                         circle2 = en;
  96                         RS_Creation creation(NULL, NULL);
  97                         RS_Line * t = creation.createTangent2(mouse, circle1, circle2);
  98
  99                         if (t)
 100                         {
 101                                 if (tangent)
 102                                         delete tangent;
 103
 104                                 tangent = (RS_Line *)t->clone();
 105
 106                                 deletePreview();
 107                                 clearPreview();
 108 //                              preview->addEntity(t);
 109                                 drawPreview();
 110                         }
 111                 }
 112         }
 113         break;
 114
 115         default:
 116                 break;
 117         }
 118
 119         RS_DEBUG->print("ActionDrawLineTangent2::mouseMoveEvent end");
 120 }
 121
 122 void ActionDrawLineTangent2::mouseReleaseEvent(QMouseEvent * e)
 123 {
 124         if (e->button() == Qt::RightButton)
 125         {
 126                 deletePreview();
 127                 clearPreview();
 128                 init(getStatus() - 1);
 129         }
 130         else
 131         {
 132                 switch (getStatus())
 133                 {
 134                 case SetCircle1:
 135                         setStatus(SetCircle2);
 136                         break;
 137
 138                 case SetCircle2:
 139                         trigger();
 140                         break;
 141                 }
 142         }
 143 }
 144
 145 void ActionDrawLineTangent2::updateMouseButtonHints()
 146 {
 147         if (RS_DIALOGFACTORY != NULL)
 148         {
 149                 switch (getStatus())
 150                 {
 151                 case SetCircle1:
 152                         RS_DIALOGFACTORY->updateMouseWidget(tr("Select first circle or arc"),
 153                                 tr("Cancel"));
 154                         break;
 155
 156                 case SetCircle2:
 157                         RS_DIALOGFACTORY->updateMouseWidget(tr("Select second circle or arc"),
 158                                 tr("Back"));
 159                         break;
 160
 161                 default:
 162                         RS_DIALOGFACTORY->updateMouseWidget("", "");
 163                         break;
 164                 }
 165         }
 166 }
 167
 168 void ActionDrawLineTangent2::updateMouseCursor()
 169 {
 170         graphicView->setMouseCursor(RS2::CadCursor);
 171 }
 172
 173 void ActionDrawLineTangent2::updateToolBar()
 174 {
 175         if (RS_DIALOGFACTORY != NULL)
 176                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarLines);
 177 }