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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/QtGlSceneZoomAndPanAnimator.h>
#include <tulip/GlMainWidget.h>
#include <tulip/Camera.h>
#include "HistogramViewNavigator.h"
#include "HistogramView.h"
#include <QMouseEvent>
using namespace std;
namespace tlp {
HistogramViewNavigator::HistogramViewNavigator() : histoView(NULL), selectedHistoOverview(NULL) {}
HistogramViewNavigator::~HistogramViewNavigator() {}
void HistogramViewNavigator::viewChanged(View *view) {
histoView = static_cast<HistogramView *>(view);
}
bool HistogramViewNavigator::eventFilter(QObject *widget, QEvent *e) {
GlMainWidget *glWidget = static_cast<GlMainWidget *>(widget);
if (!glWidget->hasMouseTracking()) {
glWidget->setMouseTracking(true);
}
if (!histoView->smallMultiplesViewSet() && !histoView->interactorsEnabled()) {
histoView->toggleInteractors(true);
}
if (histoView->getHistograms().size() == 1) {
return false;
}
if (e->type() == QEvent::MouseMove && histoView->smallMultiplesViewSet()) {
QMouseEvent *me = static_cast<QMouseEvent *>(e);
int x = glWidget->width() - me->x();
int y = me->y();
Coord screenCoords(x, y, 0);
Coord sceneCoords(glWidget->getScene()->getGraphCamera().screenTo3DWorld(screenCoords));
selectedHistoOverview = getOverviewUnderPointer(sceneCoords);
}
else if (e->type() == QEvent::MouseButtonDblClick) {
if (selectedHistoOverview != NULL && histoView->smallMultiplesViewSet()) {
QtGlSceneZoomAndPanAnimator zoomAndPanAnimator(glWidget, selectedHistoOverview->getBoundingBox());
zoomAndPanAnimator.animateZoomAndPan();
histoView->switchFromSmallMultiplesToDetailedView(selectedHistoOverview);
selectedHistoOverview = NULL;
}
else if (!histoView->smallMultiplesViewSet()) {
histoView->switchFromDetailedViewToSmallMultiples();
QtGlSceneZoomAndPanAnimator zoomAndPanAnimator(glWidget, histoView->getSmallMultiplesBoundingBox());
zoomAndPanAnimator.animateZoomAndPan();
}
return true;
}
return false;
}
Histogram *HistogramViewNavigator::getOverviewUnderPointer(const Coord &sceneCoords) const {
Histogram *ret = NULL;
vector<Histogram *> overviews = histoView->getHistograms();
for (vector<Histogram *>::const_iterator 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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