EC_CONVERGING::EC_CONVERGING( EDIT_LINE& aLine, EDIT_POINTS& aPoints ) :
EDIT_CONSTRAINT<EDIT_LINE>( aLine ),
m_colinearConstraint( NULL ), m_editPoints( aPoints )
{
// Dragged segment endings
EDIT_POINT& origin = aLine.GetOrigin();
EDIT_POINT& end = aLine.GetEnd();
// Previous and next points, to make constraining lines (adjacent to the dragged line)
EDIT_POINT& prevOrigin = *aPoints.Previous( origin, false );
EDIT_POINT& nextEnd = *aPoints.Next( end, false );
// Constraints for segments adjacent to the dragged one
m_originSideConstraint = new EC_LINE( origin, prevOrigin );
m_endSideConstraint = new EC_LINE( end, nextEnd );
// Store the current vector of the line
m_draggedVector = end.GetPosition() - origin.GetPosition();
// Check for colinearity
SEG originSide( origin.GetPosition(), prevOrigin.GetPosition() );
SEG endSide( end.GetPosition(), nextEnd.GetPosition() );
SEG dragged( origin.GetPosition(), end.GetPosition() );
if( dragged.Collinear( originSide ) )
m_colinearConstraint = m_originSideConstraint;
else if( dragged.Collinear( endSide ) )
m_colinearConstraint = m_endSideConstraint;
}
bool ListBoxDnd::mouseMoveEvent( QMouseEvent * event )
{
if ( event->state() & LeftButton ) {
if ( ( event->pos() - mousePressPos ).manhattanLength() > 3 ) {
ListBoxItemList list;
buildList( list );
ListBoxItemDrag * dragobject = new ListBoxItemDrag( list, (dMode & Internal), (QListBox *) src );
// Emit signal for all dragged items
QListBoxItem * i = list.first();
while ( i ) {
emit dragged( i );
i = list.next();
}
if ( dMode & Move ) {
removeList( list ); // "hide" items
}
dragobject->dragCopy();
if ( dMode & Move ) {
if ( dropConfirmed ) {
// ###FIX: memleak ? in internal mode, only pointers are transfered...
//list.setAutoDelete( TRUE );
list.clear();
dropConfirmed = FALSE;
}
insertList( list ); // "show" items
}
}
}
return FALSE;
}
Diamond* KDiamond::Board::spawnDiamond(int color)
{
Diamond* diamond = new Diamond((KDiamond::Color) color, m_renderer, this);
connect(diamond, SIGNAL(clicked()), SLOT(slotClicked()));
connect(diamond, SIGNAL(dragged(QPoint)), SLOT(slotDragged(QPoint)));
return diamond;
}
//---------------------------------------------------------------------------
//
// The user clicked on the widget
//
void AmorWidget::mouseReleaseEvent(TQMouseEvent *me)
{
if ( dragging )
emit dragged( me->globalPos() - clickPos, true );
else if ( me->state() == Qt::RightButton )
emit mouseClicked(clickPos);
clickPos = TQPoint();
dragging = false;
}
void ThumbnailWidget::mouseMoveEvent(QGraphicsSceneMouseEvent * event)
{
if(!(event->buttons() & Qt::LeftButton))
return;
if((event->scenePos() - drag_start_pos_).manhattanLength() < QApplication::startDragDistance())
return;
drag_progress_ = true;
emit dragged(this, event->scenePos());
}
//---------------------------------------------------------------------------
//
// The user moved the mouse
//
void AmorWidget::mouseMoveEvent(TQMouseEvent *me)
{
if ( me->state() == Qt::LeftButton ) {
if ( !dragging && (clickPos-me->globalPos()).manhattanLength() > 3 )
dragging = true;
if ( dragging ) {
emit dragged( me->globalPos() - clickPos, false );
clickPos = me->globalPos();
}
}
}
void MovableWidget::mouseMoveEvent(QMouseEvent *event)
{
if (event->buttons() & Qt::LeftButton && isMousePressed)
{
QPoint newPos = event->globalPos() - dragPosition;
move(newPos);
event->accept();
emit dragged(newPos);
return;
}
QWidget::mouseMoveEvent(event);
}
void EC_CONVERGING::Apply( EDIT_LINE& aHandle )
{
// The dragged segment endpoints
EDIT_POINT& origin = aHandle.GetOrigin();
EDIT_POINT& end = aHandle.GetEnd();
if( m_colinearConstraint )
{
m_colinearConstraint->Apply( origin );
m_colinearConstraint->Apply( end );
}
// The dragged segment
SEG dragged( origin.GetPosition(), origin.GetPosition() + m_draggedVector );
// Do not allow points on the adjacent segments move freely
m_originSideConstraint->Apply();
m_endSideConstraint->Apply();
EDIT_POINT& prevOrigin = *m_editPoints.Previous( origin, false );
EDIT_POINT& nextEnd = *m_editPoints.Next( end, false );
// Two segments adjacent to the dragged segment
SEG originSide = SEG( origin.GetPosition(), prevOrigin.GetPosition() );
SEG endSide = SEG( end.GetPosition(), nextEnd.GetPosition() );
// First intersection point (dragged segment against origin side)
if( OPT_VECTOR2I originIntersect = dragged.IntersectLines( originSide ) )
origin.SetPosition( *originIntersect );
// Second intersection point (dragged segment against end side)
if( OPT_VECTOR2I endIntersect = dragged.IntersectLines( endSide ) )
end.SetPosition( *endIntersect );
// Check if adjacent segments intersect (did we dragged the line to the point that it may
// create a selfintersecting polygon?)
originSide = SEG( origin.GetPosition(), prevOrigin.GetPosition() );
endSide = SEG( end.GetPosition(), nextEnd.GetPosition() );
if( OPT_VECTOR2I originEndIntersect = endSide.Intersect( originSide ) )
{
origin.SetPosition( *originEndIntersect );
end.SetPosition( *originEndIntersect );
}
}
//------------------------------------------------
void TravelingCam::touchMoved(ofTouchEventArgs & touch) {
dragged(touch.x, touch.y, 0);
}
//------------------------------------------------
void TravelingCam::mouseDragged(ofMouseEventArgs& args) {
dragged(args.x, args.y, args.button);
}
void DragWidget::mouseMoveEvent(QMouseEvent *event) {
int x = event->globalPos().x() - _clickXCoordinate;
int y = event->globalPos().y() - _clickYCoordinate;
emit dragged(x, y);
}
