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#include <QWidget>
#include <QMouseEvent>
#include <QScrollBar>
#include "QFitsMainView.h"
#include "QFitsSingleBuffer.h"
#include "QFitsScroller.h"
#include "QFitsWidget2D.h"
#include "fits.h"
QFitsScroller::QFitsScroller(QWidget *parent)
: QScrollArea(parent), myParent(parent)
{
setWidgetResizable(true);
sliderActive = false;
connect(horizontalScrollBar(), SIGNAL(sliderPressed()),
this, SLOT(sliderActivated()));
connect(horizontalScrollBar(), SIGNAL(sliderReleased()),
this, SLOT(sliderDeactivated()));
connect(verticalScrollBar(), SIGNAL(sliderPressed()),
this, SLOT(sliderActivated()));
connect(verticalScrollBar(), SIGNAL(sliderReleased()),
this, SLOT(sliderDeactivated()));
}
void QFitsScroller::calculateScaling(Fits *fits) {
QFitsWidget2D *widget2D = dynamic_cast<QFitsWidget2D*>(myParent);
if (widget2D != NULL) {
widget2D->calculateScaling(fits);
}
}
void QFitsScroller::viewportMouseMoveEvent(QMouseEvent *m) {
if (m->button() == Qt::LeftButton) {
processMouseClick(m->x(), m->y());
}
}
void QFitsScroller::processMouseClick(int x, int y) {
QFitsWidget2D *widget2D = dynamic_cast<QFitsWidget2D*>(myParent);
if (widget2D != NULL) {
widget2D->getMyBuffer()->setBrightnessContrast(
(int)((float)x / (float)width() * 1000.),
(int)((float)y / (float)height() * 1000.));
}
}
void QFitsScroller::sliderActivated() {
sliderActive = true;
}
void QFitsScroller::sliderDeactivated() {
sliderActive = false;
}
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