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

   1 // actionzoomwindow.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  06/05/2010  Added this text. :-)
  13 //
  14
  15 #include "actionzoomwindow.h"
  16
  17 #include "rs_dialogfactory.h"
  18 #include "graphicview.h"
  19 #include "rs_preview.h"
  20
  21 /**
  22  * Default constructor.
  23  *
  24  * @param keepAspectRatio Keep the aspect ratio. true: the factors
  25  *          in x and y will stay the same. false Exactly the chosen
  26  *          area will be fit to the viewport.
  27  */
  28 ActionZoomWindow::ActionZoomWindow(RS_EntityContainer & container,
  29         GraphicView & graphicView, bool keepAspectRatio):
  30         ActionInterface("Zoom Window", container, graphicView)
  31 {
  32         this->keepAspectRatio = keepAspectRatio;
  33 }
  34
  35 ActionZoomWindow::~ActionZoomWindow()
  36 {
  37 }
  38
  39 void ActionZoomWindow::init(int status)
  40 {
  41         RS_DEBUG->print("ActionZoomWindow::init()");
  42         ActionInterface::init(status);
  43         v1 = v2 = Vector(false);
  44 /*      snapMode = RS2::SnapFree;
  45         snapRes = RS2::RestrictNothing;*/
  46 }
  47
  48 void ActionZoomWindow::trigger()
  49 {
  50         RS_DEBUG->print("ActionZoomWindow::trigger()");
  51
  52         ActionInterface::trigger();
  53
  54         if (v1.valid && v2.valid)
  55         {
  56                 deletePreview();
  57                 deleteSnapper();
  58
  59                 if (graphicView->toGuiDX(v1.distanceTo(v2)) > 5)
  60                 {
  61                         graphicView->zoomWindow(v1, v2, keepAspectRatio);
  62                         init();
  63                 }
  64         }
  65 }
  66
  67 void ActionZoomWindow::mouseMoveEvent(QMouseEvent * e)
  68 {
  69         if (getStatus() == 1 && v1.valid)
  70         {
  71                 v2 = snapPoint(e);
  72                 deletePreview();
  73                 clearPreview();
  74 /*              preview->addEntity(new RS_Line(preview,
  75                                 RS_LineData(Vector(v1.x, v1.y), Vector(v2.x, v1.y))));
  76                 preview->addEntity(new RS_Line(preview,
  77                                 RS_LineData(Vector(v2.x, v1.y), Vector(v2.x, v2.y))));
  78                 preview->addEntity(new RS_Line(preview,
  79                                 RS_LineData(Vector(v2.x, v2.y), Vector(v1.x, v2.y))));
  80                 preview->addEntity(new RS_Line(preview,
  81                                 RS_LineData(Vector(v1.x, v2.y), Vector(v1.x, v1.y))));*/
  82                 drawPreview();
  83         }
  84 }
  85
  86 void ActionZoomWindow::mousePressEvent(QMouseEvent * e)
  87 {
  88         if (e->button() == Qt::LeftButton)
  89         {
  90                 switch (getStatus())
  91                 {
  92                 case 0:
  93                         v1 = snapPoint(e);
  94                         setStatus(1);
  95                         break;
  96
  97                 default:
  98                         break;
  99                 }
 100         }
 101
 102         RS_DEBUG->print("ActionZoomWindow::mousePressEvent(): %f %f", v1.x, v1.y);
 103 }
 104
 105 void ActionZoomWindow::mouseReleaseEvent(QMouseEvent * e)
 106 {
 107         RS_DEBUG->print("ActionZoomWindow::mouseReleaseEvent()");
 108
 109         if (e->button() == Qt::RightButton)
 110         {
 111                 if (getStatus() == 1)
 112                         deletePreview();
 113
 114                 init(getStatus() - 1);
 115         }
 116         else if (e->button() == Qt::LeftButton)
 117                 if (getStatus() == 1)
 118                 {
 119                         v2 = snapPoint(e);
 120                         trigger();
 121                 }
 122 }
 123
 124 void ActionZoomWindow::updateMouseButtonHints()
 125 {
 126         RS_DEBUG->print("ActionZoomWindow::updateMouseButtonHints()");
 127
 128         switch (getStatus())
 129         {
 130         case 0:
 131                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify first edge"), tr("Cancel"));
 132                 break;
 133
 134         case 1:
 135                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify second edge"), tr("Back"));
 136                 break;
 137
 138         default:
 139                 RS_DIALOGFACTORY->updateMouseWidget("", "");
 140                 break;
 141         }
 142 }
 143
 144 void ActionZoomWindow::updateMouseCursor()
 145 {
 146         graphicView->setMouseCursor(RS2::MagnifierCursor);
 147 }
 148
 149