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

   1 // actiondrawlinefree.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 // (C) 2010 Underground Software
   7 //
   8 // JLH = James L. Hammons <jlhamm@acm.org>
   9 //
  10 // Who  When        What
  11 // ---  ----------  -----------------------------------------------------------
  12 // JLH  06/04/2010  Added this text. :-)
  13 //
  14
  15 #include "actiondrawlinefree.h"
  16
  17 #include "rs_dialogfactory.h"
  18 #include "graphicview.h"
  19 #include "rs_polyline.h"
  20
  21 ActionDrawLineFree::ActionDrawLineFree(RS_EntityContainer & container,
  22         GraphicView & graphicView): ActionInterface("Draw freehand lines",
  23         container, graphicView)
  24 {
  25         vertex = Vector(false);
  26         polyline = NULL;
  27 }
  28
  29 ActionDrawLineFree::~ActionDrawLineFree()
  30 {
  31         if (polyline)
  32                 delete polyline;
  33 }
  34
  35 void ActionDrawLineFree::trigger()
  36 {
  37         if (polyline)
  38         {
  39                 container->addEntity(polyline);
  40                 deleteSnapper();
  41
  42                 if (document)
  43                 {
  44                         document->startUndoCycle();
  45                         document->addUndoable(polyline);
  46                         document->endUndoCycle();
  47                 }
  48
  49                 RS_DEBUG->print("ActionDrawLineFree::trigger():"
  50                         " polyline added: %d", polyline->getId());
  51                 polyline = NULL;
  52         }
  53 }
  54
  55 void ActionDrawLineFree::mouseMoveEvent(QMouseEvent * e)
  56 {
  57         if (vertex.valid && polyline)
  58         {
  59                 Vector v = snapPoint(e);
  60                 RS_Entity * ent = polyline->addVertex(v);
  61                 ent->setLayerToActive();
  62                 ent->setPenToActive();
  63
  64                 deleteSnapper();
  65                 graphicView->drawEntity(ent);
  66                 drawSnapper();
  67
  68                 vertex = v;
  69
  70                 RS_DEBUG->print("ActionDrawLineFree::mouseMoveEvent():"
  71                         " line added: %d", ent->getId());
  72         }
  73 }
  74
  75 void ActionDrawLineFree::mousePressEvent(QMouseEvent * e)
  76 {
  77         if (e->button() == Qt::LeftButton)
  78         {
  79                 vertex = snapPoint(e);
  80                 polyline = new RS_Polyline(container, RS_PolylineData(vertex, vertex, 0));
  81                 polyline->setLayerToActive();
  82                 polyline->setPenToActive();
  83         }
  84 }
  85
  86 void ActionDrawLineFree::mouseReleaseEvent(QMouseEvent * e)
  87 {
  88         if (e->button() == Qt::LeftButton)
  89         {
  90                 vertex = Vector(false);
  91                 trigger();
  92         }
  93         else if (e->button() == Qt::RightButton)
  94         {
  95                 if (polyline)
  96                 {
  97                         delete polyline;
  98                         polyline = NULL;
  99                 }
 100
 101                 deleteSnapper();
 102                 init(getStatus() - 1);
 103         }
 104 }
 105
 106 void ActionDrawLineFree::updateMouseButtonHints()
 107 {
 108         switch (getStatus())
 109         {
 110         case 0:
 111                 RS_DIALOGFACTORY->updateMouseWidget(tr("Click and drag to draw a line"), tr("Cancel"));
 112                 break;
 113
 114         default:
 115                 RS_DIALOGFACTORY->updateMouseWidget("", "");
 116                 break;
 117         }
 118 }
 119
 120 void ActionDrawLineFree::updateMouseCursor()
 121 {
 122         graphicView->setMouseCursor(RS2::CadCursor);
 123 }
 124
 125 void ActionDrawLineFree::updateToolBar()
 126 {
 127         if (!isFinished())
 128                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 129         else
 130                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarLines);
 131 }