File indexing completed on 2024-12-22 04:17:35

 /***************************************************************************
  *                                                                         *
  *   copyright : (C) 2008 The University of Toronto                        *
  *                   netterfield@astro.utoronto.ca                         *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #include "lineitemdialog.h"
 
 #include "linedimensionstab.h"
 #include "lineitem.h"
 #include "dialogpage.h"
 #include "application.h"
 #include "objectstore.h"
 #include "mainwindow.h"
 #include "document.h"
 
 namespace Kst {
 
 LineItemDialog::LineItemDialog(LineItem *item, QWidget *parent)
   : ViewItemDialog(item, parent), _viewItem(item) {
   _lineDimensionsTab = new LineDimensionsTab(item, this);
 
   DialogPage *lineDimensionsPage = new DialogPage(this);
   lineDimensionsPage->setPageTitle(tr("Size/Position"));
   lineDimensionsPage->addDialogTab(_lineDimensionsTab);
   addDialogPage(lineDimensionsPage);
   selectDialogPage(lineDimensionsPage);
 
   connect(_lineDimensionsTab, SIGNAL(apply()), this, SLOT(dimensionsChanged()));
 
   setupDimensions();
 
   connect(_lineDimensionsTab, SIGNAL(tabModified()), this, SLOT(modified()));
 
 }
 
 void LineItemDialog::setupDimensions() {
   _lineDimensionsTab->enableSingleEditOptions(true);
   _lineDimensionsTab->setupDimensions();
 }
 
 void LineItemDialog::saveDimensions(ViewItem *item) {
   Q_ASSERT(item);
 
   qreal x1 = _lineDimensionsTab->x1();
   qreal y1 = _lineDimensionsTab->y1();
   qreal x2 = _lineDimensionsTab->x2();
   qreal y2 = _lineDimensionsTab->y2();
 
   if (_lineDimensionsTab->lockPosToData() && item->dataPosLockable()) {
     QRectF dr;
     dr.setTopLeft(QPointF(x1,y1));
     dr.setBottomRight(QPointF(x2,y2));
 
     item->setDataRelativeRect(dr);
 
     bool lockPosToData = _lineDimensionsTab->lockPosToDataDirty() ? _lineDimensionsTab->lockPosToData() : item->lockPosToData();
     item->setLockPosToData(lockPosToData);
 
     item->applyDataLockedDimensions();
   } else {
     QRectF parentRect = item->parentRect();
     qreal parentWidth = parentRect.width();
     qreal parentHeight = parentRect.height();
     qreal parentX = parentRect.x();
     qreal parentY = parentRect.y();
 
     x1 = x1*parentWidth + parentX;
     x2 = x2*parentWidth + parentX;
     y1 = y1*parentHeight + parentY;
     y2 = y2*parentHeight + parentY;
     qreal dx = x2-x1;
     qreal dy = y2-y1;
 
     qreal w = sqrt(dx*dx + dy*dy);
     qreal h = item->height();
 
     item->setPos(x1,y1);
     item->setViewRect(0,-h/2,w,h);
 
     qreal rotation = atan2(dy,dx);
 
     QTransform transform;
     transform.rotateRadians(rotation);
 
     item->setTransform(transform);
     item->updateRelativeSize();
     item->setLockPosToData(false);
   }
 }
 }