89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
// -*- C++ -*-
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//
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// This file is part of the Coriolis Software.
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// Copyright (c) UPMC/LIP6 2008-2016, All Rights Reserved
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//
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// +-----------------------------------------------------------------+
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// | H U R R I C A N E |
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// | V L S I B a c k e n d D a t a - B a s e |
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// | |
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// | Author : Jean-Paul CHAPUT |
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// | E-mail : Jean-Paul.Chaput@asim.lip6.fr |
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// | =============================================================== |
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// | C++ Module : "./AreaCommand.cpp" |
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// +-----------------------------------------------------------------+
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#include <QMouseEvent>
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#include <QKeyEvent>
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#include <hurricane/viewer/Graphics.h>
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#include <hurricane/viewer/CellWidget.h>
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#include <hurricane/viewer/AreaCommand.h>
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namespace Hurricane {
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// -------------------------------------------------------------------
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// Class : "AreaCommand".
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AreaCommand::AreaCommand ()
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: Command ()
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, _startPoint ()
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, _stopPoint ()
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, _drawingThreshold(10)
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, _drawingEnabled (false)
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{ }
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AreaCommand::~AreaCommand ()
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{ }
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void AreaCommand::mouseMoveEvent ( QMouseEvent* event )
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{
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if (not _drawingEnabled) return;
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setStopPoint( event->pos() );
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_cellWidget->update();
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}
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void AreaCommand::draw ()
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{
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if (not _drawingEnabled) return;
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if ( (abs(_stopPoint.x()-_startPoint.x()) > _drawingThreshold)
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and (abs(_stopPoint.y()-_startPoint.y()) > _drawingThreshold) ) {
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_cellWidget->setPen ( Graphics::getPen("grid"), CellWidget::PlaneId::Widget );
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_cellWidget->drawScreenRect( _startPoint, _stopPoint, CellWidget::PlaneId::Widget );
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drawCorner( true );
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drawCorner( false );
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}
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}
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void AreaCommand::drawCorner ( bool bottomLeft )
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{
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QRect zoomRect = QRect(_startPoint,_stopPoint).normalized();
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QPoint base = (bottomLeft) ? zoomRect.bottomLeft() : zoomRect.topRight();
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if (bottomLeft) base.rx() += 2;
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else base.ry() += 2;
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_cornerPoints[0] = base;
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_cornerPoints[1] = base;
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_cornerPoints[2] = base;
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_cornerPoints[0].ry() += (bottomLeft) ? -10 : 10;
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_cornerPoints[2].rx() += (bottomLeft) ? 10 : -10;
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_cellWidget->drawScreenPolyline( _cornerPoints, 3, 4, CellWidget::PlaneId::Widget );
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}
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} // Hurricane namespace.
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