Q3CanvasRectangle *decoratePoint(const QPoint& p)
{
const int SIZE = 4;
UMLView *currentView = UMLApp::app()->currentView();
Q3CanvasRectangle *rect;
rect = new Q3CanvasRectangle(p.x() - SIZE / 2,
p.y() - SIZE / 2,
SIZE, SIZE, currentView->canvas());
rect->setBrush( QBrush(Qt::blue) );
rect->setPen( QPen(Qt::blue) );
rect->setVisible(true);
return rect;
}
void DigitView::removeHandles()
{
Q3PtrListIterator<Q3CanvasRectangle> itr(m_handles);
Q3CanvasRectangle* handle;
while ((handle = itr.current()) != 0)
{
ASSERT_ENGAUGE(handle != 0);
QRect bounds = handle->boundingRect();
m_handles.remove(handle); // autoDelete is on
update(0, bounds);
}
}
void DigitView::moveHandles(QPoint delta)
{
Q3PtrListIterator<Q3CanvasRectangle> itr(m_handles);
Q3CanvasRectangle* handle;
while ((handle = itr.current()) != 0)
{
ASSERT_ENGAUGE(handle != 0);
QRect rectOld = handle->boundingRect();
handle->moveBy((double) delta.x(), (double) delta.y());
update(0, rectOld);
update(0, handle->boundingRect());
++itr;
}
}
void DigitView::addHandles(const QRect &bounds)
{
m_handles.clear();
// show eight handles that represent the bounding rectangle for the selected items. we
// do not put handles on each point since the points can be too small to fit the
// handles, and also that would be slower
for (int i = 0; i < 9; i++)
{
QSize handleSize = DefaultSettings::instance().getHandleSize();
int handleWidth = handleSize.width();
int handleHeight = handleSize.height();
// looping clockwise starting at top right point
int x, y;
if (i < 3)
x = bounds.left() + bounds.width();
else if ((i == 3) || (i == 7))
x = bounds.left() + (bounds.width() + 1) / 2 - handleWidth / 2;
else
x = bounds.left() - handleWidth;
if ((1 < i) && (i < 5))
y = bounds.top() + bounds.height();
else if ((i == 1) || (i == 5))
y = bounds.top() + (bounds.height() + 1) / 2 - handleHeight / 2;
else
y = bounds.top() - handleHeight;
ASSERT_ENGAUGE(document() != 0);
Q3CanvasRectangle* handle = new Q3CanvasRectangle(x, y, handleWidth, handleHeight, document()->canvas());
CHECK_PTR_ENGAUGE(handle);
handle->setBrush(QBrush(Qt::green));
handle->setPen(QPen(Qt::black, 1));
handle->setZ(ZHandles);
handle->show();
update(0, handle->boundingRect());
m_handles.append(handle);
}
}