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 // 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 "actiondrawlinefree.h"
  18
  19 #include "rs_dialogfactory.h"
  20 #include "graphicview.h"
  21 #include "rs_polyline.h"
  22
  23 ActionDrawLineFree::ActionDrawLineFree(RS_EntityContainer & container,
  24         GraphicView & graphicView): ActionInterface("Draw freehand lines",
  25         container, graphicView)
  26 {
  27         vertex = Vector(false);
  28         polyline = NULL;
  29 }
  30
  31 ActionDrawLineFree::~ActionDrawLineFree()
  32 {
  33         if (polyline)
  34                 delete polyline;
  35 }
  36
  37 void ActionDrawLineFree::trigger()
  38 {
  39         if (polyline)
  40         {
  41                 container->addEntity(polyline);
  42                 deleteSnapper();
  43
  44                 if (document)
  45                 {
  46                         document->startUndoCycle();
  47                         document->addUndoable(polyline);
  48                         document->endUndoCycle();
  49                 }
  50
  51                 RS_DEBUG->print("ActionDrawLineFree::trigger():"
  52                         " polyline added: %d", polyline->getId());
  53                 polyline = NULL;
  54         }
  55 }
  56
  57 void ActionDrawLineFree::mouseMoveEvent(QMouseEvent * e)
  58 {
  59         if (vertex.valid && polyline)
  60         {
  61                 Vector v = snapPoint(e);
  62                 RS_Entity * ent = polyline->addVertex(v);
  63                 ent->setLayerToActive();
  64                 ent->setPenToActive();
  65
  66                 deleteSnapper();
  67                 graphicView->drawEntity(ent);
  68                 drawSnapper();
  69
  70                 vertex = v;
  71
  72                 RS_DEBUG->print("ActionDrawLineFree::mouseMoveEvent():"
  73                         " line added: %d", ent->getId());
  74         }
  75 }
  76
  77 void ActionDrawLineFree::mousePressEvent(QMouseEvent * e)
  78 {
  79         if (e->button() == Qt::LeftButton)
  80         {
  81                 vertex = snapPoint(e);
  82                 polyline = new RS_Polyline(container, RS_PolylineData(vertex, vertex, 0));
  83                 polyline->setLayerToActive();
  84                 polyline->setPenToActive();
  85         }
  86 }
  87
  88 void ActionDrawLineFree::mouseReleaseEvent(QMouseEvent * e)
  89 {
  90         if (e->button() == Qt::LeftButton)
  91         {
  92                 vertex = Vector(false);
  93                 trigger();
  94         }
  95         else if (e->button() == Qt::RightButton)
  96         {
  97                 if (polyline)
  98                 {
  99                         delete polyline;
 100                         polyline = NULL;
 101                 }
 102
 103                 deleteSnapper();
 104                 init(getStatus() - 1);
 105         }
 106 }
 107
 108 void ActionDrawLineFree::updateMouseButtonHints()
 109 {
 110         switch (getStatus())
 111         {
 112         case 0:
 113                 RS_DIALOGFACTORY->updateMouseWidget(tr("Click and drag to draw a line"), tr("Cancel"));
 114                 break;
 115
 116         default:
 117                 RS_DIALOGFACTORY->updateMouseWidget("", "");
 118                 break;
 119         }
 120 }
 121
 122 void ActionDrawLineFree::updateMouseCursor()
 123 {
 124         graphicView->setMouseCursor(RS2::CadCursor);
 125 }
 126
 127 void ActionDrawLineFree::updateToolBar()
 128 {
 129         if (!isFinished())
 130                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 131         else
 132                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarLines);
 133 }