void ConnectionTool::repaintDecorations()
{
const qreal radius = handleRadius();
QRectF repaintRect;
if (m_currentShape) {
repaintRect = m_currentShape->boundingRect();
canvas()->updateCanvas(repaintRect.adjusted(-radius, -radius, radius, radius));
KoConnectionShape * connectionShape = dynamic_cast<KoConnectionShape*>(m_currentShape);
if (!m_resetPaint && m_currentShape->isVisible(true) && !connectionShape) {
// only paint connection points of textShapes not inside a tos container and other shapes
if ( !(m_currentShape->shapeId() == TextShape_SHAPEID &&
dynamic_cast<KoTosContainer*>(m_currentShape->parent())) ) {
KoConnectionPoints connectionPoints = m_currentShape->connectionPoints();
KoConnectionPoints::const_iterator cp = connectionPoints.constBegin();
KoConnectionPoints::const_iterator lastCp = connectionPoints.constEnd();
for(; cp != lastCp; ++cp) {
repaintRect = handleGrabRect(m_currentShape->shapeToDocument(cp.value().position));
canvas()->updateCanvas(repaintRect.adjusted(-radius, -radius, radius, radius));
}
}
}
if (m_editMode == EditConnection) {
if (connectionShape) {
QPointF handlePos = connectionShape->handlePosition(m_activeHandle);
handlePos = connectionShape->shapeToDocument(handlePos);
repaintRect = handlePaintRect(handlePos);
canvas()->updateCanvas(repaintRect.adjusted(-radius, -radius, radius, radius));
}
}
}
if (m_resetPaint) {
QList<KoShape*> shapes = canvas()->shapeManager()->shapes();
for (QList<KoShape*>::const_iterator end = shapes.constBegin(); end != shapes.constEnd(); ++end) {
KoShape* shape = *end;
if (!dynamic_cast<KoConnectionShape*>(shape)) {
// only paint connection points of textShapes not inside a tos container and other shapes
if (shape->shapeId() == TextShape_SHAPEID && dynamic_cast<KoTosContainer*>(shape->parent()))
continue;
KoConnectionPoints connectionPoints = shape->connectionPoints();
KoConnectionPoints::const_iterator cp = connectionPoints.constBegin();
KoConnectionPoints::const_iterator lastCp = connectionPoints.constEnd();
for(; cp != lastCp; ++cp) {
repaintRect = handleGrabRect(shape->shapeToDocument(cp.value().position));
canvas()->updateCanvas(repaintRect.adjusted(-radius, -radius, radius, radius));
}
}
}
}
m_resetPaint = false;
}
void ConnectionTool::mouseReleaseEvent(KoPointerEvent *event)
{
if (m_currentStrategy) {
if (m_editMode == CreateConnection) {
// check if connection handles have a minimal distance
KoConnectionShape * connectionShape = dynamic_cast<KoConnectionShape*>(m_currentShape);
Q_ASSERT(connectionShape);
// get both handle positions in document coordinates
QPointF p1 = connectionShape->shapeToDocument(connectionShape->handlePosition(0));
QPointF p2 = connectionShape->shapeToDocument(connectionShape->handlePosition(1));
int grabDistance = grabSensitivity();
// use grabbing sensitivity as minimal distance threshold
if (squareDistance(p1, p2) < grabDistance*grabDistance) {
// minimal distance was not reached, so we have to undo the started work:
// - cleanup and delete the strategy
// - remove connection shape from shape manager and delete it
// - reset edit mode to last state
delete m_currentStrategy;
m_currentStrategy = 0;
repaintDecorations();
canvas()->shapeManager()->remove(m_currentShape);
setEditMode(m_editMode, connectionShape->firstShape(), connectionShape->firstConnectionId());
repaintDecorations();
delete connectionShape;
return;
} else {
// finalize adding the new connection shape with an undo command
KUndo2Command * cmd = canvas()->shapeController()->addShape(m_currentShape);
canvas()->addCommand(cmd);
setEditMode(EditConnection, m_currentShape, KoConnectionShape::StartHandle);
}
}
m_currentStrategy->finishInteraction(event->modifiers());
// TODO: Add parent command to KoInteractionStrategy::createCommand
// so that we can have a single command to undo for the user
KUndo2Command *command = m_currentStrategy->createCommand();
if (command)
canvas()->addCommand(command);
delete m_currentStrategy;
m_currentStrategy = 0;
}
updateStatusText();
}
