70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
#include "util/rotationSelector.h"
|
||
#include <QGraphicsSceneMouseEvent>
|
||
#include <QGraphicsView>
|
||
#include <graphicsItem/graphicsBaseItem.h>
|
||
|
||
|
||
RotationSelector::RotationSelector(FixedPortsModel* model,QObject *parent)
|
||
: BaseSelector(model,parent)
|
||
{
|
||
m_type = ST_rotation;
|
||
}
|
||
RotationSelector::~RotationSelector()
|
||
{
|
||
|
||
}
|
||
|
||
void RotationSelector::mousePressEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene,DiagramMode sceneMode)
|
||
{
|
||
|
||
}
|
||
|
||
void RotationSelector::mouseMoveEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene,DiagramMode sceneMode)
|
||
{
|
||
ms_ptMouseLast = event->scenePos();
|
||
QList<QGraphicsItem *> items = scene->selectedItems();
|
||
if (items.count() == 1)
|
||
{
|
||
AbstractShape* item = qgraphicsitem_cast<AbstractShape*>(items.first());
|
||
if(item)
|
||
{
|
||
//计算夹角
|
||
QPointF originPoint = item->mapToScene(item->boundingRect().center());
|
||
double dLengthY = ms_ptMouseLast.y() - originPoint.y();
|
||
double dLengthX = ms_ptMouseLast.x() - originPoint.x();
|
||
double dAngleMouseToItem = atan2(dLengthY, dLengthX) * 180 / M_PI;
|
||
// if(atan2(dLengthY, dLengthX) < 0)
|
||
// dAngleMouseToItem += 360.0;
|
||
|
||
double rotationAngle = item->rotation() + (dAngleMouseToItem - ms_dAngleMouseDownToItem);
|
||
//让角度保持在正负180的区间，也就是上下两个半圈，这样易于象限判断
|
||
if (rotationAngle > 180)
|
||
rotationAngle -= 360;
|
||
if (rotationAngle < -180)
|
||
rotationAngle += 360;
|
||
|
||
item->rotateOperationCopy(rotationAngle);
|
||
//qDebug() << "rotationAngle: " << rotationAngle;
|
||
}
|
||
}
|
||
}
|
||
|
||
void RotationSelector::mouseReleaseEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene,DiagramMode sceneMode)
|
||
{
|
||
QList<QGraphicsItem *> items = scene->selectedItems();
|
||
for(int n = 0; n < items.size(); n++)
|
||
{
|
||
AbstractShape* item = qgraphicsitem_cast<AbstractShape*>(items.at(n));
|
||
if(item)
|
||
{
|
||
item->removeOperationCopy();
|
||
}
|
||
|
||
}
|
||
|
||
ms_nDragHandle = H_none;
|
||
setCursor(scene, Qt::ArrowCursor);
|
||
emit setWorkingSelector(ST_base);
|
||
}
|
||
|