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

   1 // rs_actionzoompan.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 "rs_actionzoompan.h"
  16
  17 #include "rs_graphicview.h"
  18
  19 RS_ActionZoomPan::RS_ActionZoomPan(RS_EntityContainer & container, RS_GraphicView & graphicView):
  20         RS_ActionInterface("Zoom Pan", container, graphicView)
  21 {
  22 }
  23
  24 RS_ActionZoomPan::~RS_ActionZoomPan()
  25 {
  26 }
  27
  28 void RS_ActionZoomPan::init(int status)
  29 {
  30         RS_ActionInterface::init(status);
  31         snapMode = RS2::SnapFree;
  32         snapRes = RS2::RestrictNothing;
  33         //v1 = v2 = Vector(false);
  34         x1 = y1 = x2 = y2 = -1;
  35         //graphicView->saveView();
  36 }
  37
  38 void RS_ActionZoomPan::trigger()
  39 {
  40         /*if (v1.valid && v2.valid) {
  41             graphicView->zoomPan(v2-v1);
  42             v1 = v2;
  43            }*/
  44         if (x1 >= 0)
  45         {
  46                 graphicView->zoomPan(x2 - x1, y2 - y1);
  47                 x1 = x2;
  48                 y1 = y2;
  49         }
  50 }
  51
  52 void RS_ActionZoomPan::mouseMoveEvent(QMouseEvent * e)
  53 {
  54         //v2 = snapPoint(e);
  55         x2 = e->x();
  56         y2 = e->y();
  57
  58         //if (getStatus()==1 && graphicView->toGuiDX((v2-v1).magnitude())>10) {
  59         if (getStatus() == 1 && (abs(x2 - x1) > 7 || abs(y2 - y1) > 7))
  60                 trigger();
  61 }
  62
  63 void RS_ActionZoomPan::mousePressEvent(QMouseEvent * e)
  64 {
  65         if (e->button() == Qt::MidButton
  66             || e->button() == Qt::LeftButton)
  67         {
  68                 //v1 = snapPoint(e);
  69                 x1 = e->x();
  70                 y1 = e->y();
  71                 setStatus(1);
  72         }
  73 }
  74
  75 void RS_ActionZoomPan::mouseReleaseEvent(QMouseEvent * e)
  76 {
  77         if (e->button() == Qt::RightButton)
  78                 init(getStatus() - 1);
  79         else if (e->button() == Qt::MidButton)
  80                 init(-1);
  81         else
  82                 setStatus(0);
  83
  84         //RS_DEBUG->print("RS_ActionZoomPan::mousePressEvent(): %f %f", v1.x, v1.y);
  85 }
  86
  87 void RS_ActionZoomPan::updateMouseCursor()
  88 {
  89 #ifndef __APPLE__
  90         graphicView->setMouseCursor(RS2::SizeAllCursor);
  91 #endif
  92 }
  93
  94 // EOF