Element editor : add new handler for arc to resize angle with mouse.

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4722 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2016-09-25 08:14:29 +00:00
parent 55c094d663
commit bd4a472b7d
6 changed files with 162 additions and 55 deletions

View File

@@ -27,10 +27,7 @@
* @param parent : parent item
*/
PartArc::PartArc(QETElementEditor *editor, QGraphicsItem *parent) :
AbstractPartEllipse(editor, parent),
m_handler(10),
m_handler_index(-1),
m_undo_command(nullptr)
AbstractPartEllipse(editor, parent)
{
m_start_angle = 0;
m_span_angle = -1440;
@@ -87,8 +84,12 @@ void PartArc::paint(QPainter *painter, const QStyleOptionGraphicsItem *options,
if (isSelected())
{
drawCross(m_rect.center(), painter);
if (scene()->selectedItems().size() == 1)
m_handler.drawHandler(painter, m_handler.pointsForRect(m_rect));
if (scene()->selectedItems().size() == 1) {
if (m_resize_mode == 3)
m_handler.drawHandler(painter, m_handler.pointsForArc(m_rect, m_start_angle/16, m_span_angle/16));
else
m_handler.drawHandler(painter, m_handler.pointsForRect(m_rect));
}
}
}
@@ -124,8 +125,8 @@ void PartArc::fromXml(const QDomElement &qde) {
QSizeF(qde.attribute("width", "0").toDouble(),
qde.attribute("height", "0").toDouble()) );
m_start_angle = qde.attribute("start", "0").toInt() * 16;
m_span_angle = qde.attribute("angle", "-1440").toInt() * 16;
m_start_angle = qde.attribute("start", "0").toDouble() * 16;
m_span_angle = qde.attribute("angle", "-1440").toDouble() * 16;
}
QRectF PartArc::boundingRect() const
@@ -179,19 +180,28 @@ void PartArc::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
return;
}
int handler = m_handler.pointIsHoverHandler(event->pos(), m_handler.pointsForRect(m_rect));
if (m_resize_mode == 1 || m_resize_mode == 2) {
int handler = m_handler.pointIsHoverHandler(event->pos(), m_handler.pointsForRect(m_rect));
if (handler >= 0)
{
if (handler == 0 || handler == 2 || handler == 5 || handler == 7)
setCursor(Qt::SizeAllCursor);
else if (handler == 1 || handler == 6)
setCursor(Qt::SizeVerCursor);
else if (handler == 3 || handler == 4)
setCursor(Qt::SizeHorCursor);
if (handler >= 0)
{
if (handler == 0 || handler == 2 || handler == 5 || handler == 7)
setCursor(Qt::SizeAllCursor);
else if (handler == 1 || handler == 6)
setCursor(Qt::SizeVerCursor);
else if (handler == 3 || handler == 4)
setCursor(Qt::SizeHorCursor);
return;
}
}
else
CustomElementGraphicPart::hoverMoveEvent(event);
else if (m_resize_mode == 3) {
if (m_handler.pointIsHoverHandler(event->pos(), m_handler.pointsForArc(m_rect, m_start_angle, m_span_angle)) >= 0)
setCursor(Qt::SizeAllCursor);
return;
}
CustomElementGraphicPart::hoverMoveEvent(event);
}
/**
@@ -206,15 +216,43 @@ void PartArc::mousePressEvent(QGraphicsSceneMouseEvent *event)
setCursor(Qt::ClosedHandCursor);
if (isSelected())
{
m_handler_index = m_handler.pointIsHoverHandler(event->pos(), m_handler.pointsForRect(m_rect));
//resize rect
if (m_resize_mode == 1 || m_resize_mode == 2) {
m_handler_index = m_handler.pointIsHoverHandler(event->pos(), m_handler.pointsForRect(m_rect));
if(m_handler_index >= 0 && m_handler_index <= 7) //User click on an handler
{
m_undo_command = new QPropertyUndoCommand(this, "rect", QVariant(m_rect));
m_undo_command->setText(tr("Modifier un arc"));
m_undo_command->enableAnimation();
return;
if(m_handler_index >= 0 && m_handler_index <= 7) //User click on an handler
{
m_undo_command = new QPropertyUndoCommand(this, "rect", QVariant(m_rect));
m_undo_command->setText(tr("Modifier un arc"));
m_undo_command->enableAnimation();
return;
}
}
//resize angle
if (m_resize_mode == 3) {
m_handler_index = m_handler.pointIsHoverHandler(event->pos(), m_handler.pointsForArc(m_rect, m_start_angle/16, m_span_angle/16));
if (m_handler_index == 0) {
m_span_point = m_handler.pointsForArc(m_rect, m_start_angle/16, m_span_angle/16).at(1);
m_undo_command = new QPropertyUndoCommand(this, "startAngle", QVariant(m_start_angle));
m_undo_command->setText(tr("Modifier un arc"));
m_undo_command->enableAnimation();
m_undo_command2 = new QPropertyUndoCommand(this, "spanAngle", QVariant(m_span_angle), m_undo_command);
m_undo_command2->setText(tr("Modifier un arc"));
m_undo_command2->enableAnimation();
return;
}
else if (m_handler_index == 1) {
m_undo_command = new QPropertyUndoCommand(this, "spanAngle", QVariant(m_span_angle));
m_undo_command->setText(tr("Modifier un arc"));
m_undo_command->enableAnimation();
return;
}
}
}
}
@@ -228,18 +266,38 @@ void PartArc::mousePressEvent(QGraphicsSceneMouseEvent *event)
*/
void PartArc::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if(m_handler_index >= 0 && m_handler_index <= 7)
{
QPointF pos_ = event->modifiers() == Qt::ControlModifier ? event->pos() : mapFromScene(elementScene()->snapToGrid(event->scenePos()));
prepareGeometryChange();
if (m_resize_mode == 1 || m_resize_mode == 2) {
if (m_handler_index >= 0 && m_handler_index <= 7) {
QPointF pos_ = event->modifiers() == Qt::ControlModifier ? event->pos() : mapFromScene(elementScene()->snapToGrid(event->scenePos()));
prepareGeometryChange();
if (m_resize_mode == 1)
setRect(m_handler.rectForPosAtIndex(m_rect, pos_, m_handler_index));
else
setRect(m_handler.mirrorRectForPosAtIndex(m_rect, pos_, m_handler_index));
if (m_resize_mode == 1)
setRect(m_handler.rectForPosAtIndex(m_rect, pos_, m_handler_index));
else
setRect(m_handler.mirrorRectForPosAtIndex(m_rect, pos_, m_handler_index));
return;
}
}
else
CustomElementGraphicPart::mouseMoveEvent(event);
else if (m_resize_mode == 3) {
if (m_handler_index == 0 || m_handler_index == 1) {
QLineF line(m_rect.center(), event->pos());
prepareGeometryChange();
if (m_handler_index == 0) {
setStartAngle(line.angle()*16);
setSpanAngle(line.angleTo(QLineF(m_rect.center(), m_span_point))*16);
}
else if (m_handler_index == 1) {
QLineF line2(m_rect.center(), m_handler.pointsForArc(m_rect, m_start_angle/16, m_span_angle/16).at(0));
setSpanAngle (line2.angleTo(line)*16);
}
return;
}
}
CustomElementGraphicPart::mouseMoveEvent(event);
}
/**
@@ -255,18 +313,38 @@ void PartArc::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
switchResizeMode();
}
if (m_handler_index >= 0 && m_handler_index <= 7)
{
if (!m_rect.isValid())
m_rect = m_rect.normalized();
if (m_resize_mode == 1 || m_resize_mode == 2) {
if (m_handler_index >= 0 && m_handler_index <= 7) {
if (!m_rect.isValid())
m_rect = m_rect.normalized();
m_undo_command->setNewValue(QVariant(m_rect));
elementScene()->undoStack().push(m_undo_command);
m_undo_command = nullptr;
m_handler_index = -1;
m_undo_command->setNewValue(QVariant(m_rect));
elementScene()->undoStack().push(m_undo_command);
m_undo_command = nullptr;
m_handler_index = -1;
return;
}
}
else
CustomElementGraphicPart::mouseReleaseEvent(event);
else if (m_resize_mode == 3) {
if (m_handler_index == 0) {
m_undo_command->setNewValue(QVariant(m_start_angle));
m_undo_command2->setNewValue(QVariant(m_span_angle));
elementScene()->undoStack().push(m_undo_command);
m_undo_command = nullptr;
m_undo_command2 = nullptr;
m_handler_index = -1;
return;
}
else if (m_handler_index == 1) {
m_undo_command->setNewValue(QVariant(m_span_angle));
elementScene()->undoStack().push(m_undo_command);
m_undo_command = nullptr;
m_handler_index = -1;
return;
}
}
CustomElementGraphicPart::mouseReleaseEvent(event);
}
void PartArc::switchResizeMode()
@@ -275,6 +353,10 @@ void PartArc::switchResizeMode()
m_resize_mode = 2;
m_handler.setOuterColor(Qt::darkGreen);
}
else if (m_resize_mode == 2 ) {
m_resize_mode = 3;
m_handler.setOuterColor(Qt::magenta);
}
else {
m_resize_mode = 1;
m_handler.setOuterColor(Qt::blue);