void ScreenGrabberChooserRectItem::mouseMoveHandle(int x, int y, QGraphicsSceneMouseEvent* event)
{
if (this->state != HandleResizing)
return;
QPointF delta = event->scenePos() - event->lastScenePos();
delta.rx() *= qreal(std::abs(x));
delta.ry() *= qreal(std::abs(y));
// We increase if the multiplier and the delta have the same sign
bool increaseX = ((x < 0) == (delta.x() < 0));
bool increaseY = ((y < 0) == (delta.y() < 0));
if ((delta.x() < 0 && increaseX) || (delta.x() >= 0 && !increaseX))
{
moveBy(delta.x(), 0);
delta.rx() *= -1;
}
if ((delta.y() < 0 && increaseY) || (delta.y() >= 0 && !increaseY))
{
moveBy(0, delta.y());
delta.ry() *= -1;
}
//
this->rectWidth += delta.x();
this->rectHeight += delta.y();
this->mainRect->setRect (0, 0, this->rectWidth, this->rectHeight);
updateHandlePositions();
emit regionChosen(chosenRect());
}
void ScreenGrabberChooserRectItem::mouseRelease(QGraphicsSceneMouseEvent* event)
{
if (event->button() == Qt::LeftButton)
{
setCursor(QCursor(Qt::OpenHandCursor));
QPointF delta = (event->scenePos() - startPos);
if (qAbs(delta.x()) < MinRectSize || qAbs(delta.y()) < MinRectSize)
{
rectWidth = rectHeight = 0;
mainRect->setRect(QRect());
}
else
{
QRect normalized = chosenRect();
rectWidth = normalized.width();
rectHeight = normalized.height();
setPos(normalized.x(), normalized.y());
mainRect->setRect(0, 0, rectWidth, rectHeight);
updateHandlePositions();
showHandles();
}
emit regionChosen(chosenRect());
state = None;
mainRect->ungrabMouse();
}
}
void ScreenshotGrabber::acceptRegion()
{
QRect rect = this->chooserRect->chosenRect();
if (rect.width() < 1 || rect.height() < 1)
return;
// Scale the accepted region from DIPs to actual pixels
rect.setRect(rect.x() * pixRatio, rect.y() * pixRatio, rect.width() * pixRatio,
rect.height() * pixRatio);
emit regionChosen(rect);
qDebug() << "Screenshot accepted, chosen region" << rect;
QPixmap pixmap = this->screenGrab.copy(rect);
restoreHiddenWindows();
emit screenshotTaken(pixmap);
deleteLater();
}
void ScreenGrabberChooserRectItem::mouseMove(QGraphicsSceneMouseEvent* event)
{
if (this->state == Moving)
{
QPointF delta = event->scenePos() - event->lastScenePos();
moveBy (delta.x(), delta.y());
}
else if (this->state == Resizing)
{
prepareGeometryChange();
QPointF size = event->scenePos() - scenePos();
mainRect->setRect (0, 0, size.x(), size.y());
rectWidth = size.x();
rectHeight = size.y();
updateHandlePositions();
}
else
{
return;
}
emit regionChosen(chosenRect());
}