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 // 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  06/05/2010  Added this text. :-)
  15 //
  16
  17 #include "actionzoomwindow.h"
  18
  19 #include "debug.h"
  20 #include "dialogfactory.h"
  21 #include "graphicview.h"
  22 #include "preview.h"
  23
  24 /**
  25  * Default constructor.
  26  *
  27  * @param keepAspectRatio Keep the aspect ratio. true: the factors
  28  *          in x and y will stay the same. false Exactly the chosen
  29  *          area will be fit to the viewport.
  30  */
  31 ActionZoomWindow::ActionZoomWindow(EntityContainer & container,
  32         GraphicView & graphicView, bool keepAspectRatio):
  33         ActionInterface("Zoom Window", container, graphicView)
  34 {
  35         this->keepAspectRatio = keepAspectRatio;
  36 }
  37
  38 ActionZoomWindow::~ActionZoomWindow()
  39 {
  40 }
  41
  42 void ActionZoomWindow::init(int status)
  43 {
  44         DEBUG->print("ActionZoomWindow::init()");
  45         ActionInterface::init(status);
  46         v1 = v2 = Vector(false);
  47 /*      snapMode = RS2::SnapFree;
  48         snapRes = RS2::RestrictNothing;*/
  49 }
  50
  51 void ActionZoomWindow::trigger()
  52 {
  53         DEBUG->print("ActionZoomWindow::trigger()");
  54
  55         ActionInterface::trigger();
  56
  57         if (v1.valid && v2.valid)
  58         {
  59                 deletePreview();
  60                 deleteSnapper();
  61
  62                 if (graphicView->toGuiDX(v1.distanceTo(v2)) > 5)
  63                 {
  64                         graphicView->zoomWindow(v1, v2, keepAspectRatio);
  65                         init();
  66                 }
  67         }
  68 }
  69
  70 void ActionZoomWindow::mouseMoveEvent(QMouseEvent * e)
  71 {
  72         if (getStatus() == 1 && v1.valid)
  73         {
  74                 v2 = snapPoint(e);
  75                 deletePreview();
  76                 clearPreview();
  77 /*              preview->addEntity(new Line(preview,
  78                                 LineData(Vector(v1.x, v1.y), Vector(v2.x, v1.y))));
  79                 preview->addEntity(new Line(preview,
  80                                 LineData(Vector(v2.x, v1.y), Vector(v2.x, v2.y))));
  81                 preview->addEntity(new Line(preview,
  82                                 LineData(Vector(v2.x, v2.y), Vector(v1.x, v2.y))));
  83                 preview->addEntity(new Line(preview,
  84                                 LineData(Vector(v1.x, v2.y), Vector(v1.x, v1.y))));*/
  85                 drawPreview();
  86         }
  87 }
  88
  89 void ActionZoomWindow::mousePressEvent(QMouseEvent * e)
  90 {
  91         if (e->button() == Qt::LeftButton)
  92         {
  93                 switch (getStatus())
  94                 {
  95                 case 0:
  96                         v1 = snapPoint(e);
  97                         setStatus(1);
  98                         break;
  99
 100                 default:
 101                         break;
 102                 }
 103         }
 104
 105         DEBUG->print("ActionZoomWindow::mousePressEvent(): %f %f", v1.x, v1.y);
 106 }
 107
 108 void ActionZoomWindow::mouseReleaseEvent(QMouseEvent * e)
 109 {
 110         DEBUG->print("ActionZoomWindow::mouseReleaseEvent()");
 111
 112         if (e->button() == Qt::RightButton)
 113         {
 114                 if (getStatus() == 1)
 115                         deletePreview();
 116
 117                 init(getStatus() - 1);
 118         }
 119         else if (e->button() == Qt::LeftButton)
 120                 if (getStatus() == 1)
 121                 {
 122                         v2 = snapPoint(e);
 123                         trigger();
 124                 }
 125 }
 126
 127 void ActionZoomWindow::updateMouseButtonHints()
 128 {
 129         DEBUG->print("ActionZoomWindow::updateMouseButtonHints()");
 130
 131         switch (getStatus())
 132         {
 133         case 0:
 134                 DIALOGFACTORY->updateMouseWidget(tr("Specify first edge"), tr("Cancel"));
 135                 break;
 136
 137         case 1:
 138                 DIALOGFACTORY->updateMouseWidget(tr("Specify second edge"), tr("Back"));
 139                 break;
 140
 141         default:
 142                 DIALOGFACTORY->updateMouseWidget("", "");
 143                 break;
 144         }
 145 }
 146
 147 void ActionZoomWindow::updateMouseCursor()
 148 {
 149         graphicView->setMouseCursor(RS2::MagnifierCursor);
 150 }
 151
 152