nmWATI/Src/nmNum/nmPlot/nmObjPointTool.cpp

#include <QPainter>

//#include "ZxBaseUtil.h"

#include "nmObjPoint.h"
#include "nmObjPointTool.h"

nmObjPointTool::nmObjPointTool() : nmObjToolBase()
{
    setText(tr("nObjPointTool"));
    m_oNot = NOT_Point;
}

bool nmObjPointTool::onLeftDown(const QPointF& pt)
{
    if (NULL == m_pObj) //绘图对象尚未创建
    {
        m_ptStart = pt;
        m_bTracking = true;
        return true;
    }
    else //业已绑定绘图对象
    {
        if (nmObjToolBase::onLeftDown(pt))
        {
            m_ptStart = pt;
            m_bTracking = true;
            return true;
        }
        return false;
    }
}

bool nmObjPointTool::onMouseMove(const QPointF& pt)
{
    if (NULL == m_pObj) //绘图对象尚未创建
    {
        m_ptMove = pt;
        if (m_bTracking)
        {
            m_rtTracker = getView()->adjustRectFitViewAspect(getTrackRect());
            updateLastMoveArea(true);
        }
        return true;
    }
    else //业已绑定绘图对象
    {
        return nmObjToolBase::onMouseMove(pt);
    }
}

bool nmObjPointTool::onLeftUp(const QPointF& pt)
{
    if (NULL == m_pObj)
    {
        getView()->setSnapshotMode(false);
        if (m_bTracking)
        {
            m_bTracking = false;
        }
        QVector<QPointF> vec;
        vec << pt;
        emit sigPtsFinished(vec);

        return true;
    }
    else //业已绑定绘图对象
    {
        return nmObjToolBase::onLeftUp(pt);
    }
}

bool nmObjPointTool::onLeftDoubleClick(const QPointF& pt)
{
    return nmObjToolBase::onLeftDoubleClick(pt);
}

bool nmObjPointTool::onMouseWheel(const QPointF& pt, int delta)
{
    return nmObjToolBase::onMouseWheel(pt, delta);
}

void nmObjPointTool::onPaint(QPainter* painter, const ZxPaintParam& param)
{
    nmObjPoint* pObj = dynamic_cast<nmObjPoint*>(m_pObj);
    if (pObj == NULL)
    {
        painter->save();

        QPointF pt1 = getCurrentPos();
        float r = 1.5f;
        int nStyle = 3;
        bool bFilling = true;
        QColor clr = QColor(0, 255, 0);
        ZxDrawHelper::drawPoint(painter, pt1, nStyle,
                                r, bFilling, clr);

        Qt::CursorShape o = Qt::CrossCursor;
        changeCursor(o);

        painter->restore();
    }
    else
    {
        if (m_bTracking)
        {
            if (m_oHitOption == OHO_Point)
            {
                painter->save();

                QPointF pt1 = getCurrentPos();
                float r = pObj->getDotRadius();
                int nStyle = pObj->getDotStyle();
                bool bFilling = pObj->getDotFilling();
                QColor clr = pObj->getDotColor();
                ZxDrawHelper::drawPoint(painter, pt1, nStyle,
                                        r, !bFilling, clr);
                Qt::CursorShape o = getCursorBy((int)m_oHitOption, pObj->m_nHitIndex);
                changeCursor(o);

                painter->restore();
            }
        }
    }
}

Qt::CursorShape nmObjPointTool::getCursorBy(const int& nOption, \
                                            const int& nSubIndex)
{
    if (nOption < 0)
    {
        return Qt::ArrowCursor;
    }

    ObjHitOption oHitOption = (ObjHitOption)nOption;
    if (oHitOption == OHO_Point)
    {
        return (Qt::SizeAllCursor);
    }

    return Qt::ArrowCursor;
}