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