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

   1 /****************************************************************************
   2 ** $Id: rs_actionzoomwindow.cpp 1134 2004-07-13 23:26:13Z andrew $
   3 **
   4 ** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
   5 **
   6 ** This file is part of the qcadlib Library project.
   7 **
   8 ** This file may be distributed and/or modified under the terms of the
   9 ** GNU General Public License version 2 as published by the Free Software
  10 ** Foundation and appearing in the file LICENSE.GPL included in the
  11 ** packaging of this file.
  12 **
  13 ** Licensees holding valid qcadlib Professional Edition licenses may use
  14 ** this file in accordance with the qcadlib Commercial License
  15 ** Agreement provided with the Software.
  16 **
  17 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  18 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  19 **
  20 ** See http://www.ribbonsoft.com for further details.
  21 **
  22 ** Contact info@ribbonsoft.com if any conditions of this licensing are
  23 ** not clear to you.
  24 **
  25 **********************************************************************/
  26
  27 #include "rs_actionzoomwindow.h"
  28
  29 #include "rs.h"
  30 #include "rs_snapper.h"
  31 #include "rs_point.h"
  32 //Added by qt3to4:
  33 //#include <QIcon>
  34
  35 /**
  36  * Default constructor.
  37  *
  38  * @param keepAspectRatio Keep the aspect ratio. true: the factors
  39  *          in x and y will stay the same. false Exactly the chosen
  40  *          area will be fit to the viewport.
  41  */
  42 RS_ActionZoomWindow::RS_ActionZoomWindow(RS_EntityContainer & container,
  43         RS_GraphicView& graphicView, bool keepAspectRatio):
  44         RS_PreviewActionInterface("Zoom Window", container, graphicView)
  45 {
  46         this->keepAspectRatio = keepAspectRatio;
  47 }
  48
  49 QAction* RS_ActionZoomWindow::createGUIAction(RS2::ActionType /*type*/, QObject * /*parent*/)
  50 {
  51         QAction * action = new QAction(QIcon(":/res/zoomwindow.png"), tr("&Window Zoom"), 0);
  52 //      QAction* action = new QAction(tr("Window Zoom"), QPixmap::fromMimeSource("zoomwindow.png"),
  53 //                                                                      tr("&Window Zoom"), QKeySequence(), NULL);
  54         action->setStatusTip(tr("Zooms in a window"));
  55         return action;
  56 }
  57
  58 void RS_ActionZoomWindow::init(int status)
  59 {
  60         RS_DEBUG->print("RS_ActionZoomWindow::init()");
  61
  62         RS_PreviewActionInterface::init(status);
  63         v1 = v2 = Vector(false);
  64         snapMode = RS2::SnapFree;
  65         snapRes = RS2::RestrictNothing;
  66 }
  67
  68 void RS_ActionZoomWindow::trigger()
  69 {
  70         RS_DEBUG->print("RS_ActionZoomWindow::trigger()");
  71
  72         RS_PreviewActionInterface::trigger();
  73
  74         if (v1.valid && v2.valid)
  75         {
  76                 deletePreview();
  77                 deleteSnapper();
  78
  79                 if (graphicView->toGuiDX(v1.distanceTo(v2)) > 5)
  80                 {
  81                         graphicView->zoomWindow(v1, v2, keepAspectRatio);
  82                         init();
  83                 }
  84         }
  85 }
  86
  87 void RS_ActionZoomWindow::mouseMoveEvent(QMouseEvent * e)
  88 {
  89         if (getStatus() == 1 && v1.valid)
  90         {
  91                 v2 = snapPoint(e);
  92                 deletePreview();
  93                 clearPreview();
  94                 preview->addEntity(new RS_Line(preview,
  95                         RS_LineData(Vector(v1.x, v1.y), Vector(v2.x, v1.y))));
  96                 preview->addEntity(new RS_Line(preview,
  97                         RS_LineData(Vector(v2.x, v1.y), Vector(v2.x, v2.y))));
  98                 preview->addEntity(new RS_Line(preview,
  99                         RS_LineData(Vector(v2.x, v2.y), Vector(v1.x, v2.y))));
 100                 preview->addEntity(new RS_Line(preview,
 101                         RS_LineData(Vector(v1.x, v2.y), Vector(v1.x, v1.y))));
 102                 drawPreview();
 103         }
 104 }
 105
 106 void RS_ActionZoomWindow::mousePressEvent(QMouseEvent * e)
 107 {
 108         if (RS2::qtToRsButtonState(e->button()) == RS2::LeftButton)
 109         {
 110                 switch (getStatus())
 111                 {
 112                 case 0:
 113                         v1 = snapPoint(e);
 114                         setStatus(1);
 115                         break;
 116
 117                 default:
 118                         break;
 119                 }
 120         }
 121
 122         RS_DEBUG->print("RS_ActionZoomWindow::mousePressEvent(): %f %f", v1.x, v1.y);
 123 }
 124
 125 void RS_ActionZoomWindow::mouseReleaseEvent(QMouseEvent * e)
 126 {
 127         RS_DEBUG->print("RS_ActionZoomWindow::mouseReleaseEvent()");
 128
 129         if (RS2::qtToRsButtonState(e->button()) == RS2::RightButton)
 130         {
 131                 if (getStatus() == 1)
 132                 {
 133                         deletePreview();
 134                 }
 135
 136                 init(getStatus() - 1);
 137         }
 138         else if (RS2::qtToRsButtonState(e->button()) == RS2::LeftButton)
 139         {
 140                 if (getStatus() == 1)
 141                 {
 142                         v2 = snapPoint(e);
 143                         trigger();
 144                 }
 145         }
 146 }
 147
 148 void RS_ActionZoomWindow::updateMouseButtonHints()
 149 {
 150         RS_DEBUG->print("RS_ActionZoomWindow::updateMouseButtonHints()");
 151
 152         switch (getStatus())
 153         {
 154         case 0:
 155                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify first edge"), tr("Cancel"));
 156                 break;
 157         case 1:
 158                 RS_DIALOGFACTORY->updateMouseWidget(tr("Specify second edge"), tr("Back"));
 159                 break;
 160         default:
 161                 RS_DIALOGFACTORY->updateMouseWidget("", "");
 162                 break;
 163         }
 164 }
 165
 166 void RS_ActionZoomWindow::updateMouseCursor()
 167 {
 168         graphicView->setMouseCursor(RS2::MagnifierCursor);
 169 }
 170
 171 // EOF