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Viewing changes to src/Interaction/Interaction.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Bernd Zeimetz
  • Date: 2009-09-13 00:52:12 UTC
  • mto: (1.2.7 upstream) (0.1.3 upstream) (3.1.7 sid)
  • mto: This revision was merged to the branch mainline in revision 10.
  • Revision ID: james.westby@ubuntu.com-20090913005212-pjecal8zxm07x0fj
Import upstream version 0.14+svnfixes~20090912

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src/Interaction/Interaction.cpp
 
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#include "Interaction.h"
 
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#include "MapView.h"
 
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#include "Maps/MapDocument.h"
 
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#include "Maps/Projection.h"
 
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#include "Maps/TrackPoint.h"
 
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#include <QtGui/QMouseEvent>
 
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#include <QtGui/QPainter>
 
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#include <math.h>
 
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Interaction::Interaction(MapView* aView)
 
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: theView(aView), Panning(false), Dragging(false), StartDrag(0,0), EndDrag(0,0)
 
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{
 
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        connect(this, SIGNAL(requestCustomContextMenu(const QPoint &)), theView, SLOT(on_customContextMenuRequested(const QPoint &)));
 
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}
 
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Interaction::~Interaction()
 
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{
 
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}
 
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bool Interaction::panning() const
 
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{
 
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        return (Panning && (LastPan != FirstPan));
 
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}
 
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MainWindow* Interaction::main()
 
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{
 
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        return theView->main();
 
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}
 
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MapView* Interaction::view()
 
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{
 
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        return theView;
 
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}
 
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MapDocument* Interaction::document()
 
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{
 
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        return theView->document();
 
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}
 
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const Projection& Interaction::projection() const
 
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{
 
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        return theView->projection();
 
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}
 
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const QTransform& Interaction::transform() const
 
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{
 
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        return theView->transform();
 
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}
 
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void Interaction::mousePressEvent(QMouseEvent * anEvent)
 
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{
 
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#if defined(Q_OS_MAC)
 
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        // In the name of beautifull code, Steve, add a right mouse button
 
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        if (    (anEvent->modifiers() & Qt::MetaModifier) ||
 
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                        (M_PREFS->getMouseSingleButton() && (anEvent->buttons() & Qt::LeftButton)) ||
 
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                        (!M_PREFS->getMouseSingleButton() && (anEvent->buttons() & Qt::RightButton))
 
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                )
 
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#else
 
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        if (
 
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                (M_PREFS->getMouseSingleButton() && (anEvent->buttons() & Qt::LeftButton)) ||
 
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                (!M_PREFS->getMouseSingleButton() && (anEvent->buttons() & Qt::RightButton))
 
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                )
 
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#endif // Q_OS_MAC
 
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        {
 
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                if (anEvent->modifiers() & Qt::ControlModifier) {
 
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                        EndDrag = StartDrag = XY_TO_COORD(anEvent->pos());
 
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                        Dragging = true;
 
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                } else 
 
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                if (anEvent->modifiers() & Qt::ShiftModifier) {
 
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                } else {
 
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                        Panning = true;
 
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                        FirstPan = LastPan = anEvent->pos();
 
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                }
 
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        }
 
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}
 
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void Interaction::mouseReleaseEvent(QMouseEvent * anEvent)
 
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{
 
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        if (Panning) {
 
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                if (FirstPan != LastPan)
 
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                        view()->invalidate(true, true);
 
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#ifndef _MOBILE
 
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                else
 
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                        if (anEvent->button() == Qt::RightButton)
 
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                                emit(requestCustomContextMenu(anEvent->pos()));
 
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#endif
 
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                Panning = false;
 
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        } else
 
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        if (Dragging)
 
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        {
 
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                CoordBox DragBox(StartDrag,XY_TO_COORD(anEvent->pos()));
 
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                if (!DragBox.isEmpty()) {
 
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                        view()->setViewport(DragBox,view()->rect());
 
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                        view()->invalidate(true, true);
 
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                        view()->launch(0);
 
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                }
 
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                Dragging = false;
 
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        } else
 
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                if (anEvent->button() == Qt::RightButton)
 
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                        emit(requestCustomContextMenu(anEvent->pos()));
 
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}
 
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void Interaction::mouseMoveEvent(QMouseEvent* anEvent)
 
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{
 
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#if defined(Q_OS_MAC)
 
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        // In the name of beautifull code, Steve, add a right mouse button
 
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        if (    (anEvent->modifiers() & Qt::MetaModifier) ||
 
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                        (M_PREFS->getMouseSingleButton() && (anEvent->buttons() & Qt::LeftButton)) ||
 
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                        (!M_PREFS->getMouseSingleButton() && (anEvent->buttons() & Qt::RightButton))
 
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                )
 
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#else
 
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        if (
 
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                (M_PREFS->getMouseSingleButton() && (anEvent->buttons() & Qt::LeftButton)) ||
 
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                (!M_PREFS->getMouseSingleButton() && (anEvent->buttons() & Qt::RightButton))
 
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                )
 
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#endif // Q_OS_MAC
 
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        {
 
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                if (Panning)
 
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                {
 
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                        QPoint Delta = LastPan;
 
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                        Delta -= anEvent->pos();
 
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                        view()->panScreen(-Delta);
 
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                        LastPan = anEvent->pos();
 
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#if defined(ENABLE_NVIDIA_HACK)
 
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                        view()->invalidate(true, false);
 
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#endif // ENABLE_NVIDIA_HACK
 
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                } else
 
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                if (Dragging)
 
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                {
 
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                        EndDrag = XY_TO_COORD(anEvent->pos());
 
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                        view()->update();
 
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                }
 
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        }
 
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}
 
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void Interaction::paintEvent(QPaintEvent*, QPainter& thePainter)
 
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{
 
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        if (Dragging)
 
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        {
 
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                thePainter.setPen(QPen(QColor(0,0,255),1,Qt::DotLine));
 
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                thePainter.drawRect(QRectF(COORD_TO_XY(StartDrag),COORD_TO_XY(EndDrag)));
 
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        }
 
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}
 
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#ifndef Q_OS_SYMBIAN
 
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QCursor Interaction::cursor() const
 
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{
 
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        return QCursor(Qt::ArrowCursor);
 
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}
 
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#endif