void CurvesWidget::leaveEvent(QEvent*)
{
d->xMouseOver = -1;
d->yMouseOver = -1;
emit signalMouseMoved(d->xMouseOver, d->yMouseOver);
update();
}
void ImageDisplay::mouseMoveEvent(QMouseEvent *e)
{
if (e->buttons().testFlag(Qt::LeftButton)) {
m_states.manhattan += (e->pos()-m_states.mousePrevPos).manhattanLength();
}
m_states.mousePrevPos = e->pos();
if (!m_aScaling->isChecked()) {
#if QT_VERSION < 0x040700
if (e->buttons().testFlag(Qt::MidButton)) {
#else
if (e->buttons().testFlag(Qt::MiddleButton)) {
#endif
// Move the viewport
QPointF offset = m_states.mouseInitialImagePos - convertCanvasToPixel(e->pos());
m_imageOffset = offset;
repaint();
}
}
if (hasMouseTracking() && !m_image.isNull()) {
int x = e->pos().x() - contentsRect().x();
int y = e->pos().y() - contentsRect().y();
if (x < 0 || y < 0 || x >= contentsRect().width() || y >= contentsRect().height()) {
// qDebug() << "Not inside drawing boundaries.";
return;
}
QPointF pos = convertCanvasToImage(e->pos());
emit signalMouseMoved(pos.x(), pos.y());
}
repaint();
}
void ImageDisplay::mouseReleaseEvent(QMouseEvent *e)
{
QPointF p0 = m_states.mouseInitialImagePos;
QPointF releasePos = convertCanvasToImage(e->pos());
QPointF minPoint = min(p0, releasePos, true);
QPointF maxPoint = max(p0, releasePos, true);
qDebug() << p0 << releasePos << minPoint << maxPoint;
QRectF mouseRect(minPoint, maxPoint);
if (m_states.countsAsMove()) {
emit signalRectDrawn(mouseRect);
}
}
void CurvesWidget::mouseMoveEvent(QMouseEvent* e)
{
if (d->readOnlyMode || !d->imageHistogram)
{
return;
}
if (d->clearFlag == CurvesWidgetPriv::HistogramStarted)
{
return;
}
int x, y, closest_point;
d->getHistogramCoordinates(e->pos(), x, y, closest_point);
switch (d->curves->getCurveType(d->channelType))
{
case ImageCurves::CURVE_SMOOTH:
{
if (d->grabPoint == -1) // If no point is grabbed...
{
if (d->curves->getCurvePointX(d->channelType, closest_point) != -1)
{
setCursor(Qt::ArrowCursor);
}
else
{
setCursor(Qt::CrossCursor);
}
}
else // Else, drag the grabbed point
{
setCursor(Qt::CrossCursor);
d->curves->setCurvePointX(d->channelType, d->grabPoint, -1);
if (x > d->leftMost && x < d->rightMost)
{
closest_point = (x + d->getDelta() / 2) / d->getDelta();
if (d->curves->getCurvePointX(d->channelType, closest_point) == -1)
{
d->grabPoint = closest_point;
}
d->curves->setCurvePoint(d->channelType, d->grabPoint,
QPoint(x, d->imageHistogram->getMaxSegmentIndex() - y));
}
d->curves->curvesCalculateCurve(d->channelType);
emit signalCurvesChanged();
}
break;
}
case ImageCurves::CURVE_FREE:
{
if (d->grabPoint != -1)
{
int x1, x2, y1, y2;
if (d->grabPoint > x)
{
x1 = x;
x2 = d->grabPoint;
y1 = y;
y2 = d->last;
}
else
{
x1 = d->grabPoint;
x2 = x;
y1 = d->last;
y2 = y;
}
if (x2 != x1)
{
for (int i = x1 ; i <= x2 ; ++i)
d->curves->setCurveValue(d->channelType, i, d->imageHistogram->getMaxSegmentIndex() -
(y1 + ((y2 - y1) * (i - x1)) / (x2 - x1)));
}
else
{
d->curves->setCurveValue(d->channelType, x, d->imageHistogram->getMaxSegmentIndex() - y);
}
d->grabPoint = x;
d->last = y;
emit signalCurvesChanged();
}
break;
}
}
d->xMouseOver = x;
d->yMouseOver = d->imageHistogram->getMaxSegmentIndex() - y;
emit signalMouseMoved(d->xMouseOver, d->yMouseOver);
update();
}
void ImageGraphicsViewForm::mouseMoveEvent(QMouseEvent *event)
{
emit signalMouseMoved(mapToScene(event->pos()));
}
