ObjectARX学习笔记(二十三)---AcEdInputPointMonitor 反应器，用来重载CAD鼠标点处实体的提示信息

朴灿烈づ我的快乐病毒、 2022-08-10 14:40 334阅读 0赞

<pre name="code" class="cpp"><pre name="code" class="cpp">//   Copyright (C) 1998-2007 by Autodesk, Inc.
    //
    //     Permission to use, copy, modify, and distribute this software
    //     for any purpose is restricted by the VIP Subscription program
    //     license agreement.  This application was developed exclusively
    //     for distribution by the VIP subscription program and may not
    //     be posted pubicly, modified, copied, or distributed by any other
    //     methods. 
    //
    //     AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.  
    //     AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF 
    //     MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE.  AUTODESK, INC. 
    //     DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE 
    //     UNINTERRUPTED OR ERROR FREE.
    //
    //     Use, duplication, or disclosure by the U.S. Government is subject to 
    //     restrictions set forth in FAR 52.227-19 (Commercial Computer 
    //     Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii) 
    //     (Rights in Technical Data and Computer Software), as applicable. 
    //
    
    #include "acedinpt.h"
    
    class AsdkInputPointMonitor : public AcEdInputPointMonitor
    {
    public:
        virtual Acad::ErrorStatus monitorInputPoint(const AcEdInputPoint& input, AcEdInputPointMonitorResult& output);
        virtual bool excludeFromOsnapCalculation (const AcArray<AcDbObjectId>& nestedEntity, INT_PTR gsSelectionMark);
    };

//   Copyright (C) 1998-2007 by Autodesk, Inc.
    //
    //     Permission to use, copy, modify, and distribute this software
    //     for any purpose is restricted by the VIP Subscription program
    //     license agreement.  This application was developed exclusively
    //     for distribution by the VIP subscription program and may not
    //     be posted pubicly, modified, copied, or distributed by any other
    //     methods. 
    //
    //     AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.  
    //     AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF 
    //     MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE.  AUTODESK, INC. 
    //     DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE 
    //     UNINTERRUPTED OR ERROR FREE.
    //
    //     Use, duplication, or disclosure by the U.S. Government is subject to 
    //     restrictions set forth in FAR 52.227-19 (Commercial Computer 
    //     Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii) 
    //     (Rights in Technical Data and Computer Software), as applicable. 
    //
    
    // AsdkInputPointMonitor methods
    //
    
    #if defined(_DEBUG) && !defined(AC_FULL_DEBUG)
    #error _DEBUG should not be defined except in internal Adesk debug builds
    #endif
    
    #include "acdbabb.h"
    #include "adeskabb.h"
    #include "aced.h"
    #include "dbents.h"
    #include "dbosnap.h"
    #include "tchar.h"
    
    #include "monitor.h"
    
    
    Acad::ErrorStatus
    AsdkInputPointMonitor::monitorInputPoint(const AcEdInputPoint& input, AcEdInputPointMonitorResult& output)
    {
        if ( !input.pointComputed() )
        {
            // Points cannot be computed in the Monitor
            // Forced picking may be enabled
    
            if ( input.history() & Acad::eCyclingPt)
                acutPrintf( _T("\nNo point computed, but new cycling osnap: %.2f, %.2f, %.2f\n"),
                    input.osnappedPoint()[X], input.osnappedPoint()[Y], input.osnappedPoint()[Z] );
    
            return Acad::eOk;
        }
    
        // Show historical point selection information
        //
    #define HISTORY_CHECK(x)  if (input.history() & Acad:: ## x) acutPrintf(_T("%s "), _T(#x))
    
        acutPrintf( _T("\nHistory: %d, "), input.history() );
    
        HISTORY_CHECK(eTablet);
        HISTORY_CHECK(eNotDigitizer);
        HISTORY_CHECK(eLastPt);
        HISTORY_CHECK(eGripped);
        HISTORY_CHECK(eCartSnapped);
        HISTORY_CHECK(eOrtho);
        HISTORY_CHECK(eCyclingPt);
        HISTORY_CHECK(eOsnapped);
        HISTORY_CHECK(ePolarAngle);
        HISTORY_CHECK(eAligned);
        HISTORY_CHECK(eAppFiltered);
        HISTORY_CHECK(eForcedPick);
        HISTORY_CHECK(ePickMask);
        HISTORY_CHECK(eDidNotPick);
        HISTORY_CHECK(eUsedPickBox);
        HISTORY_CHECK(eUsedOsnapBox);
        HISTORY_CHECK(ePickAborted);
        HISTORY_CHECK(eXPending);
        HISTORY_CHECK(eYPending);
        HISTORY_CHECK(eZPending);
        HISTORY_CHECK(eCoordPending);
    
    #undef HISTORY_CHECK
    
        acutPrintf( _T("\n") );
    
        // Show more point input information
        //
        if ( input.history() & Acad::eLastPt )
            acutPrintf( _T("Last point:              %.2f, %.2f, %.2f\n"), input.lastPoint()[X], input.lastPoint()[Y], input.lastPoint()[Z] );
    
        acutPrintf( _T("Raw point:               %.2f, %.2f, %.2f\n"), input.rawPoint()[X], input.rawPoint()[Y], input.rawPoint()[Z] );
        acutPrintf( _T("Computed point:          %.2f, %.2f, %.2f\n"), input.computedPoint()[X], input.computedPoint()[Y], input.computedPoint()[Z] );
    
        if ( input.history() & Acad::eGripped )
            acutPrintf( _T("Gripped point:           %.2f, %.2f, %.2f\n"), input.grippedPoint()[X], input.grippedPoint()[Y], input.grippedPoint()[Z] );
            
        if ( input.history() & Acad::eCartSnapped )
            acutPrintf( _T("Cartesian snapped point: %.2f, %.2f, %.2f\n"), input.cartesianSnappedPoint()[X], input.cartesianSnappedPoint()[Y], input.cartesianSnappedPoint()[Z] );
    
        if ( input.history() & Acad::eOsnapped )
        {
            acutPrintf( _T("Osnapped point:          %.2f, %.2f, %.2f\n"), input.osnappedPoint()[X], input.osnappedPoint()[Y], input.osnappedPoint()[Z] );
    
            acutPrintf( _T("Object snap masks: ") );
    
    #define OSMASK_CHECK(x)  if (input.osnapMask() & AcDb:: ## x) acutPrintf(_T("%s "), _T(#x))
    
            OSMASK_CHECK(kOsMaskEnd);
            OSMASK_CHECK(kOsMaskMid);
            OSMASK_CHECK(kOsMaskCen);
            OSMASK_CHECK(kOsMaskNode);
            OSMASK_CHECK(kOsMaskQuad);
            OSMASK_CHECK(kOsMaskInt);
            OSMASK_CHECK(kOsMaskIns);
            OSMASK_CHECK(kOsMaskPerp);
            OSMASK_CHECK(kOsMaskTan);
            OSMASK_CHECK(kOsMaskNear);
            OSMASK_CHECK(kOsMaskQuick);
            OSMASK_CHECK(kOsMaskApint);
            OSMASK_CHECK(kOsMaskImmediate);
            OSMASK_CHECK(kOsMaskAllowTan);
            OSMASK_CHECK(kOsMaskDisablePerp);
            OSMASK_CHECK(kOsMaskRelCartesian);
            OSMASK_CHECK(kOsMaskRelPolar);
    
    #undef OSMASK_CHECK
    
            if ( 0 == input.osnapMask() )
            {
                for ( int i = 0; i < input.customOsnapModes().length(); i++ )
                    acutPrintf( _T("%s\n"), input.customOsnapModes()[i]->globalModeString() );
            }
            acutPrintf( _T("\n") );
        }
    
        // Show the object snap overrides
        //
        if ( 0 != input.osnapOverrides() )
        {
    
            acutPrintf( _T("Object snap overrides: ") );
    
    #define OSMASK_CHECK(x)  if (input.osnapOverrides() & AcDb:: ## x) acutPrintf(_T("%s "), _T(#x))
    
            OSMASK_CHECK(kOsMaskEnd);
            OSMASK_CHECK(kOsMaskMid);
            OSMASK_CHECK(kOsMaskCen);
            OSMASK_CHECK(kOsMaskNode);
            OSMASK_CHECK(kOsMaskQuad);
            OSMASK_CHECK(kOsMaskInt);
            OSMASK_CHECK(kOsMaskIns);
            OSMASK_CHECK(kOsMaskPerp);
            OSMASK_CHECK(kOsMaskTan);
            OSMASK_CHECK(kOsMaskNear);
            OSMASK_CHECK(kOsMaskQuick);
            OSMASK_CHECK(kOsMaskApint);
            OSMASK_CHECK(kOsMaskImmediate);
            OSMASK_CHECK(kOsMaskAllowTan);
            OSMASK_CHECK(kOsMaskDisablePerp);
            OSMASK_CHECK(kOsMaskRelCartesian);
            OSMASK_CHECK(kOsMaskRelPolar);
    
    #undef OSMASK_CHECK
    
            acutPrintf(_T("\n"));
        }
    
        // Show custom object snap overrides
        //
        if ( 0 != input.customOsnapOverrides().length() )
        {
            acutPrintf( _T("Custom object snap overrides: ") );
            for ( int x = 0; x < input.customOsnapOverrides().length(); x++)
                acutPrintf( _T("%s "), input.customOsnapOverrides()[x]->globalModeString() );
            acutPrintf( _T("\n") );
        }
    
        // Show object snap or forced pick information: the entities in the aperture
        acutPrintf( _T("%d apertured entities, "), input.pickedEntities().length() );
        acutPrintf( _T("%d nested apertured entities\n"), input.nestedPickedEntities().length() );
    
        // Show AutoSnap information
        // Note: nestedKeyPointEntities.length() == keyPointGsSelectionMark.length()
        //
        acutPrintf( _T("%d key point entities, "), input.keyPointEntities().length() );
        acutPrintf( _T("%d nested key point entities\n"), input.nestedKeyPointEntities().length() );
        acutPrintf( _T("%d alignment paths\n"), input.alignmentPaths().length() );
    
        // Add an additional comment to the tootip string
        //
        if ( NULL != input.tooltipString() )
        {
            output.setAdditionalTooltipString(_T(", Additional comment!"));
            acutPrintf( _T("Appending \"%s\" to \"%s\"\n"), _T(", Additional comment!"), input.tooltipString() );
        }
        else
            acutPrintf( _T("Tooltip is NULL\n") );
    
        acedPostCommandPrompt();
        return Acad::eOk;
    }
    
    bool
    AsdkInputPointMonitor::excludeFromOsnapCalculation (const AcArray<AcDbObjectId>& nestedEntity, INT_PTR gsSelectionMark)
    {
        acutPrintf( _T("\nExcludeFromOsnapCalculation called on monitor...\n") );
        acutPrintf( _T("%d nested entities under cursor\n"), nestedEntity.length() );
        return false;
    }