void EditFrame::SetMouseDown(bool b)
{
if(m_MouseDown != b)
{
m_MouseDown = b;
UpdateCursor();
emit grabbed(m_MouseDown ? this : 0);
}
}
void QREnCode::saveItemToFile()
{
if(m_grab == NULL){
m_grab = new QuickItemGrabber(this);
connect(m_grab,SIGNAL(grabbed()),this,SLOT(grabChanged()));
}
m_grab->clear();
m_grab->grab(this,QSize(this->width(),this->height()));
}
void GrabCardItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *){
emit grabbed();
goBack();
}
void GrabCardItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *) {
if(!isFrozen())
emit grabbed();
goBack();
}
void FCamera::grabberGrabbed(QImage* image)
{
emit grabbed(image);
}
void FCamera::grabberGrabbed(cimg_library::CImg<unsigned char>* image)
{
emit grabbed(image);
}
void EditFrame::mouseMoveEvent(QMouseEvent *event)
{
if( m_MouseDown )
{
bool snap = !event->modifiers().testFlag(Qt::ShiftModifier);
QWidget *pParent = parentWidget();
QWidget *pGrandParent = (pParent ? pParent->parentWidget() : 0);
if( pGrandParent )
{
switch( m_GeomMode )
{
case GEOM_MODE_TOP:
{
int dy = (m_MouseGrabGeometry.y() - m_MouseGrabOffset.y());
int y = (pGrandParent->mapFromGlobal(event->globalPos()).y() + dy);
if( snap )
Utils::Snap(ToyWindowTab::GRID_SPACING, y);
if(y < 0)
{
y = 0;
}
else
{
int maxY = (pParent->geometry().bottom() - pParent->minimumHeight());
if(y > maxY)
y = maxY;
}
int dh = (pParent->y() - y);
pParent->move(pParent->x(), y);
pParent->resize(pParent->width(), pParent->height() + dh);
resize( pParent->size() );
emit grabbed(this);
}
break;
case GEOM_MODE_BOTTOM:
{
int dy = (m_MouseGrabGeometry.bottom() - m_MouseGrabOffset.y());
int y = (pGrandParent->mapFromGlobal(event->globalPos()).y() + dy);
if( snap )
Utils::Snap(ToyWindowTab::GRID_SPACING, y);
int newHeight = (y - pParent->y());
if(newHeight < pParent->minimumHeight())
{
newHeight = pParent->minimumHeight();
}
else
{
int maxHeight = (pGrandParent->height() - pParent->y());
if(newHeight > maxHeight)
newHeight = maxHeight;
}
pParent->resize(pParent->width(), newHeight);
resize( pParent->size() );
emit grabbed(this);
}
break;
case GEOM_MODE_LEFT:
{
int dx = (m_MouseGrabGeometry.x() - m_MouseGrabOffset.x());
int x = (pGrandParent->mapFromGlobal(event->globalPos()).x() + dx);
if( snap )
Utils::Snap(ToyWindowTab::GRID_SPACING, x);
if(x < 0)
{
x = 0;
}
else
{
int maxX = (pParent->geometry().right() - pParent->minimumWidth());
if(x > maxX)
x = maxX;
}
int dw = (pParent->x() - x);
pParent->move(x, pParent->y());
pParent->resize(pParent->width() + dw, pParent->height());
resize( pParent->size() );
emit grabbed(this);
}
break;
case GEOM_MODE_RIGHT:
{
int dx = (m_MouseGrabGeometry.right() - m_MouseGrabOffset.x());
int x = (pGrandParent->mapFromGlobal(event->globalPos()).x() + dx);
if( snap )
Utils::Snap(ToyWindowTab::GRID_SPACING, x);
int newWidth = (x - pParent->x());
if(newWidth < pParent->minimumWidth())
{
newWidth = pParent->minimumWidth();
}
else
{
int maxWidth = (pGrandParent->width() - pParent->x());
if(newWidth > maxWidth)
newWidth = maxWidth;
}
pParent->resize(newWidth, pParent->height());
resize( pParent->size() );
emit grabbed(this);
}
break;
case GEOM_MODE_SCALE:
{
float w = m_MouseGrabGeometry.width();
if(w != 0)
{
float ar = m_MouseGrabGeometry.height()/w;
if(ar != 0)
{
// same behavior as GEOM_MODE_RIGHT
int dx = (m_MouseGrabGeometry.right() - m_MouseGrabOffset.x());
int x = (pGrandParent->mapFromGlobal(event->globalPos()).x() + dx);
if( snap )
Utils::Snap(ToyWindowTab::GRID_SPACING, x);
int newWidth = (x - pParent->x());
if(newWidth < pParent->minimumWidth())
{
newWidth = pParent->minimumWidth();
}
else
{
int maxWidth = (pGrandParent->width() - pParent->x());
if(newWidth > maxWidth)
newWidth = maxWidth;
}
// adjust height, preseving aspect ratio
int newHeight = qRound(newWidth * ar);
if(newHeight < pParent->minimumHeight())
{
newHeight = pParent->minimumHeight();
newWidth = qRound(newHeight/ar);
}
else
{
int maxHeight = (pGrandParent->height() - pParent->y());
if(newHeight > maxHeight)
{
newHeight = maxHeight;
newWidth = qRound(newHeight/ar);
}
}
pParent->resize(newWidth, newHeight);
resize( pParent->size() );
emit grabbed(this);
}
}
}
break;
default:
{
QPoint newPos(pGrandParent->mapFromGlobal(event->globalPos()) - m_MouseGrabOffset);
if( snap )
Utils::Snap(ToyWindowTab::GRID_SPACING, newPos);
QPoint delta = (newPos - pParent->pos());
if(delta.x()!=0 || delta.y()!=0)
emit translated(this, delta);
emit grabbed(this);
}
break;
}
}
}
else
SetGeomMode( GetGeomModeForPos(event->pos()) );
}
void MVSliderWidget::Grabbed(){
emit grabbed();
}
