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/**
*
* This file is part of Tulip (www.tulip-software.org)
*
* Authors: David Auber and the Tulip development Team
* from LaBRI, University of Bordeaux
*
* Tulip is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* Tulip is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
*/
#include <tulip/GlRect.h>
#include <tulip/BoundingBox.h>
#include <tulip/TulipPluginHeaders.h>
#include <tulip/QtGlSceneZoomAndPanAnimator.h>
#include "PixelOrientedViewNavigator.h"
#include <QEvent>
#include <QMouseEvent>
using namespace std;
namespace tlp {
PixelOrientedViewNavigator::PixelOrientedViewNavigator() : pixelView(NULL), selectedOverview(NULL) {}
PixelOrientedViewNavigator::~PixelOrientedViewNavigator() {}
void PixelOrientedViewNavigator::viewChanged(View *view) {
pixelView = static_cast<PixelOrientedView *>(view);
}
bool PixelOrientedViewNavigator::eventFilter(QObject *widget, QEvent *e) {
if(e->type() != QEvent::MouseButtonDblClick && e->type() != QEvent::MouseMove)
return false;
GlMainWidget *glWidget = (GlMainWidget *) widget;
if (!glWidget->hasMouseTracking()) {
glWidget->setMouseTracking(true);
}
if (!pixelView->smallMultiplesViewSet() && !pixelView->interactorsEnabled()) {
pixelView->toggleInteractors(true);
}
if (pixelView->getOverviews().size() == 0) {
return false;
}
if (e->type() == QEvent::MouseMove && pixelView->smallMultiplesViewSet()) {
QMouseEvent *me = (QMouseEvent *) e;
int x = glWidget->width() - me->x();
int y = me->y();
Coord screenCoords((double) x, (double) y, 0);
Coord sceneCoords = glWidget->getScene()->getGraphCamera().screenTo3DWorld(screenCoords);
PixelOrientedOverview *overviewUnderPointer = getOverviewUnderPointer(sceneCoords);
if (overviewUnderPointer != NULL && overviewUnderPointer != selectedOverview) {
selectedOverview = overviewUnderPointer;
}
return true;
}
else if (e->type() == QEvent::MouseButtonDblClick) {
if (selectedOverview != NULL && !selectedOverview->overviewGenerated()) {
pixelView->generatePixelOverview(selectedOverview, glWidget);
glWidget->draw();
}
else if (selectedOverview != NULL && pixelView->smallMultiplesViewSet()) {
QtGlSceneZoomAndPanAnimator zoomAndPanAnimator(glWidget, selectedOverview->getBoundingBox());
zoomAndPanAnimator.animateZoomAndPan();
pixelView->switchFromSmallMultiplesToDetailView(selectedOverview);
selectedOverview = NULL;
}
else if (!pixelView->smallMultiplesViewSet() && pixelView->getOverviews().size() > 1) {
pixelView->switchFromDetailViewToSmallMultiples();
QtGlSceneZoomAndPanAnimator zoomAndPanAnimator(glWidget, pixelView->getSmallMultiplesViewBoundingBox());
zoomAndPanAnimator.animateZoomAndPan();
pixelView->centerView();
}
return true;
}
return false;
}
PixelOrientedOverview *PixelOrientedViewNavigator::getOverviewUnderPointer(Coord &sceneCoords) {
PixelOrientedOverview *ret = NULL;
vector<PixelOrientedOverview *> overviews = pixelView->getOverviews();
vector<PixelOrientedOverview *>::iterator it;
for (it = overviews.begin() ; it != overviews.end() ; ++it) {
BoundingBox overviewBB = (*it)->getBoundingBox();
if (sceneCoords.getX() >= overviewBB[0][0] && sceneCoords.getX() <= overviewBB[1][0] &&
sceneCoords.getY() >= overviewBB[0][1] && sceneCoords.getY() <= overviewBB[1][1]) {
ret = *it;
break;
}
}
return ret;
}
}
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