317 lines
15 KiB
C++
317 lines
15 KiB
C++
#include "util/baseSelector.h"
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#include <QGraphicsSceneMouseEvent>
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#include <QGraphicsView>
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#include <graphicsItem/graphicsBaseItem.h>
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#include <QDebug>
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QPointF BaseSelector::ms_ptMouseDown(0.0,0.0);
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QPointF BaseSelector::ms_ptMouseLast(0.0,0.0);
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double BaseSelector::ms_dAngleMouseDownToItem = 0.0;
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int BaseSelector::ms_nDragHandle = 0;
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uint BaseSelector::_Id = 0;
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ItemMap BaseSelector::m_graphicsItem;
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BaseSelector::BaseSelector(QObject *parent)
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: QObject(parent)
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{
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m_type = ST_base;
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m_opMode = OM_none;
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m_bHoverOnHandel = false;
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}
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BaseSelector::~BaseSelector()
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{
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}
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void BaseSelector::mousePressEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene)
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{
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if (event->button() != Qt::LeftButton)
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return;
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ms_ptMouseDown = event->scenePos();
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ms_ptMouseLast = event->scenePos();
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if(!m_bHoverOnHandel)
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scene->callParentEvent(event); //此处是通过触发QGraphicsScene的事件函数来取消所有被选中item的选中状态
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m_opMode = OM_none;
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QList<QGraphicsItem *> items = scene->selectedItems();
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if (items.count() == 1) //只有一个选中
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{
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AbstractShape* item = qgraphicsitem_cast<AbstractShape*>(items.first());
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if(item)
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{
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//需要增加当前是否点击在控制点的判断函数
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ms_nDragHandle = item->collidesWithHandle(event->scenePos());
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if(ms_nDragHandle != H_none && ms_nDragHandle <= H_left) //在缩放控制点上
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{
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m_opMode = OM_scale;
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emit setWorkingSelector(ST_scaling);
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}
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else if(ms_nDragHandle >= H_rotate_leftTop && ms_nDragHandle <= H_rotate_leftBottom) //在旋转控制点上
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{
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m_opMode = OM_rotate;
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//计算夹角
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QPointF originPoint = item->mapToScene(item->boundingRect().center());
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double dLengthY = ms_ptMouseLast.y() - originPoint.y();
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double dLengthX = ms_ptMouseLast.x() - originPoint.x();
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ms_dAngleMouseDownToItem = atan2(dLengthY, dLengthX) * 180 / M_PI;
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// if(atan2(dLengthY, dLengthX) < 0)
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// ms_dAngleMouseDownToItem += 360.0;
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//创建副本
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item->createOperationCopy();
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emit setWorkingSelector(ST_rotation);
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}
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else if(ms_nDragHandle > H_rotate_leftBottom && ms_nDragHandle < H_connect) //编辑控制点上
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{
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m_opMode = OM_edit;
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setCursor(scene, Qt::ClosedHandCursor);
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emit setWorkingSelector(ST_editing);
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}
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else if(ms_nDragHandle >= H_connect ) //连接控制点
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{
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m_opMode = OM_connect;
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//setCursor(scene, Qt::ClosedHandCursor);
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setCursor(scene, Qt::ArrowCursor);
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emit setWorkingSelector(ST_connecting);
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}
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else
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{
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m_opMode = OM_move;
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setCursor(scene, Qt::ClosedHandCursor);
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emit setWorkingSelector(ST_moving);
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}
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}
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}
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else if (items.count() > 1) //选中多个
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{
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m_opMode = OM_move;
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emit setWorkingSelector(ST_moving);
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setCursor(scene, Qt::ClosedHandCursor);
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}
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if(m_opMode == OM_move) //可以多个选中同时移动
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{
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for(int n = 0; n < items.size(); n++)
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{
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//创建副本
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AbstractShape* item = qgraphicsitem_cast<AbstractShape*>(items.at(n));
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item->createOperationCopy();
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}
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}
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else if(m_opMode == OM_none)
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{
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QGraphicsView *view = scene->getView();
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if(view)
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view->setDragMode(QGraphicsView::RubberBandDrag);
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}
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}
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void BaseSelector::mouseMoveEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene)
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{
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ms_ptMouseLast = event->scenePos();
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QList<QGraphicsItem *> items = scene->selectedItems();
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if (items.count() == 1)
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{
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AbstractShape* item = qgraphicsitem_cast<AbstractShape*>(items.first());
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if(item)
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{
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if(ms_nDragHandle == H_none)
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{
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//设置光标样式
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int nHandle = item->collidesWithHandle(event->scenePos());
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if(nHandle == H_none)
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{
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setCursor(scene, Qt::ArrowCursor);
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m_bHoverOnHandel = false;
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}
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else if(nHandle >= H_edit)
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{
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setCursor(scene, Qt::OpenHandCursor);
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m_bHoverOnHandel = true;
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}
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else
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{
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//划分为四组区间范围，分别水平组、垂直组、一三象限倾斜组、二四象限倾斜组，每组由两个对称区间构成
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double dRotation = item->rotation();
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dRotation += item->getSyncRotationDataFromParent();
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//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
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if (dRotation > 180)
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dRotation -= 360;
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if (dRotation < -180)
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dRotation += 360;
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//qDebug() << "selfRotation:" << item->rotation() << " syncRotation:" << item->getSyncRotationDataFromParent() << " fininalRotatio:" << dRotation;
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double dTileAngle = 15.0;
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switch (nHandle)
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{
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case H_leftTop:
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{
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if((dRotation > -145+dTileAngle && dRotation < -45-dTileAngle) || (dRotation > 45+dTileAngle && dRotation < 145-dTileAngle)) //垂直区间
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setCursor(scene, Qt::SizeBDiagCursor);
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else if((dRotation >= -45-dTileAngle && dRotation <= -45+dTileAngle) || (dRotation >= 145-dTileAngle && dRotation <= 145+dTileAngle)) //一三象限倾斜
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setCursor(scene, Qt::SizeHorCursor);
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else if((dRotation >= -145-dTileAngle && dRotation <= -145+dTileAngle) || (dRotation >= 45-dTileAngle && dRotation <= 45+dTileAngle)) //二四象限倾斜
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setCursor(scene, Qt::SizeVerCursor);
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else //水平区间
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setCursor(scene, Qt::SizeFDiagCursor);
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break;
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}
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case H_top:
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{
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if((dRotation > -145+dTileAngle && dRotation < -45-dTileAngle) || (dRotation > 45+dTileAngle && dRotation < 145-dTileAngle)) //垂直区间
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setCursor(scene, Qt::SizeHorCursor);
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else if((dRotation >= -45-dTileAngle && dRotation <= -45+dTileAngle) || (dRotation >= 145-dTileAngle && dRotation <= 145+dTileAngle)) //一三象限倾斜
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setCursor(scene, Qt::SizeFDiagCursor);
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else if((dRotation >= -145-dTileAngle && dRotation <= -145+dTileAngle) || (dRotation >= 45-dTileAngle && dRotation <= 45+dTileAngle)) //二四象限倾斜
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setCursor(scene, Qt::SizeBDiagCursor);
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else
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setCursor(scene, Qt::SizeVerCursor);
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break;
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}
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case H_rightTop:
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{
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if((dRotation > -145+dTileAngle && dRotation < -45-dTileAngle) || (dRotation > 45+dTileAngle && dRotation < 145-dTileAngle)) //垂直区间
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setCursor(scene, Qt::SizeFDiagCursor);
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else if((dRotation >= -45-dTileAngle && dRotation <= -45+dTileAngle) || (dRotation >= 145-dTileAngle && dRotation <= 145+dTileAngle)) //一三象限倾斜
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setCursor(scene, Qt::SizeVerCursor);
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else if((dRotation >= -145-dTileAngle && dRotation <= -145+dTileAngle) || (dRotation >= 45-dTileAngle && dRotation <= 45+dTileAngle)) //二四象限倾斜
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setCursor(scene, Qt::SizeHorCursor);
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else
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setCursor(scene, Qt::SizeBDiagCursor);
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break;
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}
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case H_right:
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{
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if((dRotation > -145+dTileAngle && dRotation < -45-dTileAngle) || (dRotation > 45+dTileAngle && dRotation < 145-dTileAngle)) //垂直区间
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setCursor(scene, Qt::SizeVerCursor);
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else if((dRotation >= -45-dTileAngle && dRotation <= -45+dTileAngle) || (dRotation >= 145-dTileAngle && dRotation <= 145+dTileAngle)) //一三象限倾斜
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setCursor(scene, Qt::SizeBDiagCursor);
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else if((dRotation >= -145-dTileAngle && dRotation <= -145+dTileAngle) || (dRotation >= 45-dTileAngle && dRotation <= 45+dTileAngle)) //二四象限倾斜
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setCursor(scene, Qt::SizeFDiagCursor);
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else
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setCursor(scene, Qt::SizeHorCursor);
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break;
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}
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case H_rightBottom:
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{
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if((dRotation > -145+dTileAngle && dRotation < -45-dTileAngle) || (dRotation > 45+dTileAngle && dRotation < 145-dTileAngle)) //垂直区间
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setCursor(scene, Qt::SizeBDiagCursor);
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else if((dRotation >= -45-dTileAngle && dRotation <= -45+dTileAngle) || (dRotation >= 145-dTileAngle && dRotation <= 145+dTileAngle)) //一三象限倾斜
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setCursor(scene, Qt::SizeHorCursor);
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else if((dRotation >= -145-dTileAngle && dRotation <= -145+dTileAngle) || (dRotation >= 45-dTileAngle && dRotation <= 45+dTileAngle)) //二四象限倾斜
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setCursor(scene, Qt::SizeVerCursor);
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else //水平区间
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setCursor(scene, Qt::SizeFDiagCursor);
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break;
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}
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case H_bottom:
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{
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if((dRotation > -145+dTileAngle && dRotation < -45-dTileAngle) || (dRotation > 45+dTileAngle && dRotation < 145-dTileAngle)) //垂直区间
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setCursor(scene, Qt::SizeHorCursor);
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else if((dRotation >= -45-dTileAngle && dRotation <= -45+dTileAngle) || (dRotation >= 145-dTileAngle && dRotation <= 145+dTileAngle)) //一三象限倾斜
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setCursor(scene, Qt::SizeFDiagCursor);
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else if((dRotation >= -145-dTileAngle && dRotation <= -145+dTileAngle) || (dRotation >= 45-dTileAngle && dRotation <= 45+dTileAngle)) //二四象限倾斜
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setCursor(scene, Qt::SizeBDiagCursor);
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else
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setCursor(scene, Qt::SizeVerCursor);
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break;
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}
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case H_leftBottom:
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{
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if((dRotation > -145+dTileAngle && dRotation < -45-dTileAngle) || (dRotation > 45+dTileAngle && dRotation < 145-dTileAngle)) //垂直区间
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setCursor(scene, Qt::SizeFDiagCursor);
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else if((dRotation >= -45-dTileAngle && dRotation <= -45+dTileAngle) || (dRotation >= 145-dTileAngle && dRotation <= 145+dTileAngle)) //一三象限倾斜
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setCursor(scene, Qt::SizeVerCursor);
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else if((dRotation >= -145-dTileAngle && dRotation <= -145+dTileAngle) || (dRotation >= 45-dTileAngle && dRotation <= 45+dTileAngle)) //二四象限倾斜
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setCursor(scene, Qt::SizeHorCursor);
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else //水平区间
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setCursor(scene, Qt::SizeBDiagCursor);
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break;
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}
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case H_left:
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{
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if((dRotation > -145+dTileAngle && dRotation < -45-dTileAngle) || (dRotation > 45+dTileAngle && dRotation < 145-dTileAngle)) //垂直区间
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setCursor(scene, Qt::SizeVerCursor);
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else if((dRotation >= -45-dTileAngle && dRotation <= -45+dTileAngle) || (dRotation >= 145-dTileAngle && dRotation <= 145+dTileAngle)) //一三象限倾斜
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setCursor(scene, Qt::SizeBDiagCursor);
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else if((dRotation >= -145-dTileAngle && dRotation <= -145+dTileAngle) || (dRotation >= 45-dTileAngle && dRotation <= 45+dTileAngle)) //二四象限倾斜
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setCursor(scene, Qt::SizeFDiagCursor);
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else
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setCursor(scene, Qt::SizeHorCursor);
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break;
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}
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case H_rotate_leftTop:
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{
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int nSize = 24;
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QCursor rotateCursor = QCursor(QPixmap(":/images/icon_rotate.png")/*.scaled(nSize, nSize, Qt::KeepAspectRatio, Qt::SmoothTransformation)*/);
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setCursor(scene, rotateCursor);
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break;
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}
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case H_rotate_rightTop:
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{
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int nSize = 24;
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QCursor rotateCursor = QCursor(QPixmap(":/images/icon_rotate.png")/*.scaled(nSize, nSize, Qt::KeepAspectRatio, Qt::SmoothTransformation)*/);
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setCursor(scene, rotateCursor);
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break;
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}
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case H_rotate_rightBottom:
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{
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int nSize = 24;
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QCursor rotateCursor = QCursor(QPixmap(":/images/icon_rotate.png")/*.scaled(nSize, nSize, Qt::KeepAspectRatio, Qt::SmoothTransformation)*/);
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setCursor(scene, rotateCursor);
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break;
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}
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case H_rotate_leftBottom:
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{
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int nSize = 24;
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QCursor rotateCursor = QCursor(QPixmap(":/images/icon_rotate.png")/*.scaled(nSize, nSize, Qt::KeepAspectRatio, Qt::SmoothTransformation)*/);
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setCursor(scene, rotateCursor);
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break;
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}
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default:
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break;
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}
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m_bHoverOnHandel = true;
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}
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}
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}
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}
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}
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void BaseSelector::mouseReleaseEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene)
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{
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setCursor(scene, Qt::ArrowCursor);
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if(m_opMode == OM_none)
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{
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QGraphicsView *view = scene->getView();
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if(view)
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view->setDragMode(QGraphicsView::NoDrag);
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}
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m_opMode = OM_none;
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m_bHoverOnHandel = false;
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ms_nDragHandle = H_none;
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scene->callParentEvent(event);
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}
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void BaseSelector::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene)
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{
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Q_UNUSED(event)
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Q_UNUSED(scene)
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}
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void BaseSelector::setCursor(DesignerScene *scene, const QCursor &cursor)
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{
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QGraphicsView *view = scene->getView();
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if (view)
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view->setCursor(cursor);
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}
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