void ControllerAnnotations::mousePressEvent(QMouseEvent *event, const QPoint &pos)
{
// left-click: add annotation in pos or try start dragging annotation
if (event->button() == Qt::LeftButton) {
auto model = static_cast<Annotations*>(getModel());
bool handled = true;
switch (actionQueued)
{
case ActionQueued::CreateArrow:
model->startArrow(pos, model->getCurrentFrame());
break;
case ActionQueued::CreateLabel:
model->startLabel(pos, model->getCurrentFrame());
break;
case ActionQueued::CreateRect:
model->startRect(pos, model->getCurrentFrame());
break;
case ActionQueued::CreateEllipse:
model->startEllipse(pos, model->getCurrentFrame());
break;
default:
if (model->tryStartDragging(pos)) {
updateView();
}
else {
handled = false;
}
updateView();
break;
}
if (handled)
event->accept();
actionQueued = ActionQueued::None;
}
// right-click: set text for annotation in pos
else if (event->button() == Qt::RightButton) {
auto model = static_cast<Annotations*>(getModel());
bool handled = true;
if (model->trySetText(pos)) {
updateView();
}
else {
handled = false;
}
if (handled) {
event->accept();
}
}
}
void DrawingPolylineItem::render(QPainter* painter, const DrawingStyleOptions& styleOptions)
{
DrawingItemPoint* point0 = point(0);
DrawingItemPoint* point1 = point(numberOfPoints() - 1);
QList<DrawingItemPoint*> lPoints = points();
QPolygonF polygon;
DrawingItemPoint* otherPoint;
qreal theta;
// Polyline
for(auto pointIter = lPoints.begin(); pointIter != lPoints.end(); pointIter++)
polygon.append((*pointIter)->pos());
setupPainter(painter, styleOptions, pen());
painter->drawPolyline(polygon);
// Arrows
if (pen().style() != Qt::NoPen)
{
QPen arrowPen = pen();
arrowPen.setStyle(Qt::SolidLine);
setupPainter(painter, styleOptions, arrowPen, styleOptions.outputBrush(DrawingStyleOptions::Background));
otherPoint = point(1);
if (otherPoint)
{
theta = qAtan2(otherPoint->y() - point0->y(),
otherPoint->x() - point0->x()) * 180.0 / 3.1414592654;
if (Drawing::magnitude(otherPoint->pos() - point0->pos()) > startArrowSize())
startArrow().render(painter, point0->pos(), theta);
}
otherPoint = point(numberOfPoints() - 2);
if (otherPoint)
{
theta = qAtan2(otherPoint->y() - point1->y(),
otherPoint->x() - point1->x()) * 180.0 / 3.1414592654;
if (Drawing::magnitude(otherPoint->pos() - point1->pos()) > endArrowSize())
endArrow().render(painter, point1->pos(), theta);
}
}
#ifdef DEBUG_DRAW_ITEM_SHAPE
painter->setBrush(Qt::magenta);
painter->setPen(QPen(Qt::magenta, 1));
painter->drawPath(shape());
#endif
}
void HorizontalDistancesPaintingStrategy::drawDistanceLine(const KoRulerPrivate *d, QPainter &painter, const qreal start, const qreal end)
{
// Don't draw too short lines
if (qMax(start, end) - qMin(start, end) < 1)
return;
painter.save();
painter.translate(d->offset, d->ruler->height() / 2);
painter.setPen(d->ruler->palette().color(QPalette::Text));
painter.setBrush(d->ruler->palette().color(QPalette::Text));
QLineF line(QPointF(d->viewConverter->documentToViewX(start), 0),
QPointF(d->viewConverter->documentToViewX(end), 0));
QPointF midPoint = line.pointAt(0.5);
// Draw the label text
QFont font = KGlobalSettings::smallestReadableFont();
font.setPointSize(6);
QFontMetrics fontMetrics(font);
QString label = d->unit.toUserStringValue(
d->viewConverter->viewToDocumentX(line.length())) + ' ' + KUnit::unitName(d->unit);
QPointF labelPosition = QPointF(midPoint.x() - fontMetrics.width(label)/2,
midPoint.y() + fontMetrics.ascent()/2);
painter.setFont(font);
painter.drawText(labelPosition, label);
// Draw the arrow lines
qreal arrowLength = (line.length() - fontMetrics.width(label)) / 2 - 2;
arrowLength = qMax(qreal(0.0), arrowLength);
QLineF startArrow(line.p1(), line.pointAt(arrowLength / line.length()));
QLineF endArrow(line.p2(), line.pointAt(1.0 - arrowLength / line.length()));
painter.drawLine(startArrow);
painter.drawLine(endArrow);
// Draw the arrow heads
QPolygonF arrowHead;
arrowHead << line.p1() << QPointF(line.x1()+3, line.y1()-3)
<< QPointF(line.x1()+3, line.y1()+3);
painter.drawPolygon(arrowHead);
arrowHead.clear();
arrowHead << line.p2() << QPointF(line.x2()-3, line.y2()-3)
<< QPointF(line.x2()-3, line.y2()+3);
painter.drawPolygon(arrowHead);
painter.restore();
}