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 "debug.h"
  20 #include "dialogfactory.h"
  21 #include "graphicview.h"
  22 #include "polyline.h"
  23
  24 ActionDrawLineFree::ActionDrawLineFree(RS_EntityContainer & container,
  25         GraphicView & graphicView): ActionInterface("Draw freehand lines",
  26         container, graphicView)
  27 {
  28         vertex = Vector(false);
  29         polyline = NULL;
  30 }
  31
  32 ActionDrawLineFree::~ActionDrawLineFree()
  33 {
  34         if (polyline)
  35                 delete polyline;
  36 }
  37
  38 void ActionDrawLineFree::trigger()
  39 {
  40         if (polyline)
  41         {
  42                 container->addEntity(polyline);
  43                 deleteSnapper();
  44
  45                 if (document)
  46                 {
  47                         document->startUndoCycle();
  48                         document->addUndoable(polyline);
  49                         document->endUndoCycle();
  50                 }
  51
  52                 RS_DEBUG->print("ActionDrawLineFree::trigger():"
  53                         " polyline added: %d", polyline->getId());
  54                 polyline = NULL;
  55         }
  56 }
  57
  58 void ActionDrawLineFree::mouseMoveEvent(QMouseEvent * e)
  59 {
  60         if (vertex.valid && polyline)
  61         {
  62                 Vector v = snapPoint(e);
  63                 RS_Entity * ent = polyline->addVertex(v);
  64                 ent->setLayerToActive();
  65                 ent->setPenToActive();
  66
  67                 deleteSnapper();
  68                 graphicView->drawEntity(ent);
  69                 drawSnapper();
  70
  71                 vertex = v;
  72
  73                 RS_DEBUG->print("ActionDrawLineFree::mouseMoveEvent():"
  74                         " line added: %d", ent->getId());
  75         }
  76 }
  77
  78 void ActionDrawLineFree::mousePressEvent(QMouseEvent * e)
  79 {
  80         if (e->button() == Qt::LeftButton)
  81         {
  82                 vertex = snapPoint(e);
  83                 polyline = new RS_Polyline(container, RS_PolylineData(vertex, vertex, 0));
  84                 polyline->setLayerToActive();
  85                 polyline->setPenToActive();
  86         }
  87 }
  88
  89 void ActionDrawLineFree::mouseReleaseEvent(QMouseEvent * e)
  90 {
  91         if (e->button() == Qt::LeftButton)
  92         {
  93                 vertex = Vector(false);
  94                 trigger();
  95         }
  96         else if (e->button() == Qt::RightButton)
  97         {
  98                 if (polyline)
  99                 {
 100                         delete polyline;
 101                         polyline = NULL;
 102                 }
 103
 104                 deleteSnapper();
 105                 init(getStatus() - 1);
 106         }
 107 }
 108
 109 void ActionDrawLineFree::updateMouseButtonHints()
 110 {
 111         switch (getStatus())
 112         {
 113         case 0:
 114                 RS_DIALOGFACTORY->updateMouseWidget(tr("Click and drag to draw a line"), tr("Cancel"));
 115                 break;
 116
 117         default:
 118                 RS_DIALOGFACTORY->updateMouseWidget("", "");
 119                 break;
 120         }
 121 }
 122
 123 void ActionDrawLineFree::updateMouseCursor()
 124 {
 125         graphicView->setMouseCursor(RS2::CadCursor);
 126 }
 127
 128 void ActionDrawLineFree::updateToolBar()
 129 {
 130         if (!isFinished())
 131                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarSnap);
 132         else
 133                 RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarLines);
 134 }