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

1. <pre name="code" class="cpp"><pre name="code" class="cpp">// Copyright (C) 1998-2007 by Autodesk, Inc.
2.  
   //
3.  
   // Permission to use, copy, modify, and distribute this software
4.  
   // for any purpose is restricted by the VIP Subscription program
5.  
   // license agreement. This application was developed exclusively
6.  
   // for distribution by the VIP subscription program and may not
7.  
   // be posted pubicly, modified, copied, or distributed by any other
8.  
   // methods.
9.  
   //
10.  
    // AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.
11.  
    // AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
12.  
    // MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. AUTODESK, INC.
13.  
    // DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
14.  
    // UNINTERRUPTED OR ERROR FREE.
15.  
    //
16.  
    // Use, duplication, or disclosure by the U.S. Government is subject to
17.  
    // restrictions set forth in FAR 52.227-19 (Commercial Computer
18.  
    // Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii)
19.  
    // (Rights in Technical Data and Computer Software), as applicable.
20.  
    //
21.  
     
22.  
    #include "acedinpt.h"
23.  
     
24.  
    class AsdkInputPointMonitor : public AcEdInputPointMonitor
25.  
    {
26.  
    public:
27.  
    virtual Acad::ErrorStatus monitorInputPoint(const AcEdInputPoint& input, AcEdInputPointMonitorResult& output);
28.  
    virtual bool excludeFromOsnapCalculation (const AcArray<AcDbObjectId>& nestedEntity, INT_PTR gsSelectionMark);
29.  
    };

1.  
   // Copyright (C) 1998-2007 by Autodesk, Inc.
2.  
   //
3.  
   // Permission to use, copy, modify, and distribute this software
4.  
   // for any purpose is restricted by the VIP Subscription program
5.  
   // license agreement. This application was developed exclusively
6.  
   // for distribution by the VIP subscription program and may not
7.  
   // be posted pubicly, modified, copied, or distributed by any other
8.  
   // methods.
9.  
   //
10.  
    // AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.
11.  
    // AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
12.  
    // MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. AUTODESK, INC.
13.  
    // DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
14.  
    // UNINTERRUPTED OR ERROR FREE.
15.  
    //
16.  
    // Use, duplication, or disclosure by the U.S. Government is subject to
17.  
    // restrictions set forth in FAR 52.227-19 (Commercial Computer
18.  
    // Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii)
19.  
    // (Rights in Technical Data and Computer Software), as applicable.
20.  
    //
21.  
     
22.  
    // AsdkInputPointMonitor methods
23.  
    //
24.  
     
25.  
    #if defined(_DEBUG) && !defined(AC_FULL_DEBUG)
26.  
    #error _DEBUG should not be defined except in internal Adesk debug builds
27.  
    #endif
28.  
     
29.  
    #include "acdbabb.h"
30.  
    #include "adeskabb.h"
31.  
    #include "aced.h"
32.  
    #include "dbents.h"
33.  
    #include "dbosnap.h"
34.  
    #include "tchar.h"
35.  
     
36.  
    #include "monitor.h"
37.  
     
38.  
     
39.  
    Acad::ErrorStatus
40.  
    AsdkInputPointMonitor::monitorInputPoint(const AcEdInputPoint& input, AcEdInputPointMonitorResult& output)
41.  
    {
42.  
    if ( !input.pointComputed() )
43.  
    {
44.  
    // Points cannot be computed in the Monitor
45.  
    // Forced picking may be enabled
46.  
     
47.  
    if ( input.history() & Acad::eCyclingPt)
48.  
    acutPrintf( _T(" No point computed, but new cycling osnap: %.2f, %.2f, %.2f "),
49.  
    input.osnappedPoint()[X], input.osnappedPoint()[Y], input.osnappedPoint()[Z] );
50.  
     
51.  
    return Acad::eOk;
52.  
    }
53.  
     
54.  
    // Show historical point selection information
55.  
    //
56.  
    #define HISTORY_CHECK(x) if (input.history() & Acad:: ## x) acutPrintf(_T("%s "), _T(#x))
57.  
     
58.  
    acutPrintf( _T(" History: %d, "), input.history() );
59.  
     
60.  
    HISTORY_CHECK(eTablet);
61.  
    HISTORY_CHECK(eNotDigitizer);
62.  
    HISTORY_CHECK(eLastPt);
63.  
    HISTORY_CHECK(eGripped);
64.  
    HISTORY_CHECK(eCartSnapped);
65.  
    HISTORY_CHECK(eOrtho);
66.  
    HISTORY_CHECK(eCyclingPt);
67.  
    HISTORY_CHECK(eOsnapped);
68.  
    HISTORY_CHECK(ePolarAngle);
69.  
    HISTORY_CHECK(eAligned);
70.  
    HISTORY_CHECK(eAppFiltered);
71.  
    HISTORY_CHECK(eForcedPick);
72.  
    HISTORY_CHECK(ePickMask);
73.  
    HISTORY_CHECK(eDidNotPick);
74.  
    HISTORY_CHECK(eUsedPickBox);
75.  
    HISTORY_CHECK(eUsedOsnapBox);
76.  
    HISTORY_CHECK(ePickAborted);
77.  
    HISTORY_CHECK(eXPending);
78.  
    HISTORY_CHECK(eYPending);
79.  
    HISTORY_CHECK(eZPending);
80.  
    HISTORY_CHECK(eCoordPending);
81.  
     
82.  
    #undef HISTORY_CHECK
83.  
     
84.  
    acutPrintf( _T(" ") );
85.  
     
86.  
    // Show more point input information
87.  
    //
88.  
    if ( input.history() & Acad::eLastPt )
89.  
    acutPrintf( _T("Last point: %.2f, %.2f, %.2f "), input.lastPoint()[X], input.lastPoint()[Y], input.lastPoint()[Z] );
90.  
     
91.  
    acutPrintf( _T("Raw point: %.2f, %.2f, %.2f "), input.rawPoint()[X], input.rawPoint()[Y], input.rawPoint()[Z] );
92.  
    acutPrintf( _T("Computed point: %.2f, %.2f, %.2f "), input.computedPoint()[X], input.computedPoint()[Y], input.computedPoint()[Z] );
93.  
     
94.  
    if ( input.history() & Acad::eGripped )
95.  
    acutPrintf( _T("Gripped point: %.2f, %.2f, %.2f "), input.grippedPoint()[X], input.grippedPoint()[Y], input.grippedPoint()[Z] );
96.  
     
97.  
    if ( input.history() & Acad::eCartSnapped )
98.  
    acutPrintf( _T("Cartesian snapped point: %.2f, %.2f, %.2f "), input.cartesianSnappedPoint()[X], input.cartesianSnappedPoint()[Y], input.cartesianSnappedPoint()[Z] );
99.  
     
100.  
     if ( input.history() & Acad::eOsnapped )
101.  
     {
102.  
     acutPrintf( _T("Osnapped point: %.2f, %.2f, %.2f "), input.osnappedPoint()[X], input.osnappedPoint()[Y], input.osnappedPoint()[Z] );
103.  
      
104.  
     acutPrintf( _T("Object snap masks: ") );
105.  
      
106.  
     #define OSMASK_CHECK(x) if (input.osnapMask() & AcDb:: ## x) acutPrintf(_T("%s "), _T(#x))
107.  
      
108.  
     OSMASK_CHECK(kOsMaskEnd);
109.  
     OSMASK_CHECK(kOsMaskMid);
110.  
     OSMASK_CHECK(kOsMaskCen);
111.  
     OSMASK_CHECK(kOsMaskNode);
112.  
     OSMASK_CHECK(kOsMaskQuad);
113.  
     OSMASK_CHECK(kOsMaskInt);
114.  
     OSMASK_CHECK(kOsMaskIns);
115.  
     OSMASK_CHECK(kOsMaskPerp);
116.  
     OSMASK_CHECK(kOsMaskTan);
117.  
     OSMASK_CHECK(kOsMaskNear);
118.  
     OSMASK_CHECK(kOsMaskQuick);
119.  
     OSMASK_CHECK(kOsMaskApint);
120.  
     OSMASK_CHECK(kOsMaskImmediate);
121.  
     OSMASK_CHECK(kOsMaskAllowTan);
122.  
     OSMASK_CHECK(kOsMaskDisablePerp);
123.  
     OSMASK_CHECK(kOsMaskRelCartesian);
124.  
     OSMASK_CHECK(kOsMaskRelPolar);
125.  
      
126.  
     #undef OSMASK_CHECK
127.  
      
128.  
     if ( 0 == input.osnapMask() )
129.  
     {
130.  
     for ( int i = 0; i < input.customOsnapModes().length(); i++ )
131.  
     acutPrintf( _T("%s "), input.customOsnapModes()[i]->globalModeString() );
132.  
     }
133.  
     acutPrintf( _T(" ") );
134.  
     }
135.  
      
136.  
     // Show the object snap overrides
137.  
     //
138.  
     if ( 0 != input.osnapOverrides() )
139.  
     {
140.  
      
141.  
     acutPrintf( _T("Object snap overrides: ") );
142.  
      
143.  
     #define OSMASK_CHECK(x) if (input.osnapOverrides() & AcDb:: ## x) acutPrintf(_T("%s "), _T(#x))
144.  
      
145.  
     OSMASK_CHECK(kOsMaskEnd);
146.  
     OSMASK_CHECK(kOsMaskMid);
147.  
     OSMASK_CHECK(kOsMaskCen);
148.  
     OSMASK_CHECK(kOsMaskNode);
149.  
     OSMASK_CHECK(kOsMaskQuad);
150.  
     OSMASK_CHECK(kOsMaskInt);
151.  
     OSMASK_CHECK(kOsMaskIns);
152.  
     OSMASK_CHECK(kOsMaskPerp);
153.  
     OSMASK_CHECK(kOsMaskTan);
154.  
     OSMASK_CHECK(kOsMaskNear);
155.  
     OSMASK_CHECK(kOsMaskQuick);
156.  
     OSMASK_CHECK(kOsMaskApint);
157.  
     OSMASK_CHECK(kOsMaskImmediate);
158.  
     OSMASK_CHECK(kOsMaskAllowTan);
159.  
     OSMASK_CHECK(kOsMaskDisablePerp);
160.  
     OSMASK_CHECK(kOsMaskRelCartesian);
161.  
     OSMASK_CHECK(kOsMaskRelPolar);
162.  
      
163.  
     #undef OSMASK_CHECK
164.  
      
165.  
     acutPrintf(_T(" "));
166.  
     }
167.  
      
168.  
     // Show custom object snap overrides
169.  
     //
170.  
     if ( 0 != input.customOsnapOverrides().length() )
171.  
     {
172.  
     acutPrintf( _T("Custom object snap overrides: ") );
173.  
     for ( int x = 0; x < input.customOsnapOverrides().length(); x++)
174.  
     acutPrintf( _T("%s "), input.customOsnapOverrides()[x]->globalModeString() );
175.  
     acutPrintf( _T(" ") );
176.  
     }
177.  
      
178.  
     // Show object snap or forced pick information: the entities in the aperture
179.  
     acutPrintf( _T("%d apertured entities, "), input.pickedEntities().length() );
180.  
     acutPrintf( _T("%d nested apertured entities "), input.nestedPickedEntities().length() );
181.  
      
182.  
     // Show AutoSnap information
183.  
     // Note: nestedKeyPointEntities.length() == keyPointGsSelectionMark.length()
184.  
     //
185.  
     acutPrintf( _T("%d key point entities, "), input.keyPointEntities().length() );
186.  
     acutPrintf( _T("%d nested key point entities "), input.nestedKeyPointEntities().length() );
187.  
     acutPrintf( _T("%d alignment paths "), input.alignmentPaths().length() );
188.  
      
189.  
     // Add an additional comment to the tootip string
190.  
     //
191.  
     if ( NULL != input.tooltipString() )
192.  
     {
193.  
     output.setAdditionalTooltipString(_T(", Additional comment!"));
194.  
     acutPrintf( _T("Appending "%s" to "%s" "), _T(", Additional comment!"), input.tooltipString() );
195.  
     }
196.  
     else
197.  
     acutPrintf( _T("Tooltip is NULL ") );
198.  
      
199.  
     acedPostCommandPrompt();
200.  
     return Acad::eOk;
201.  
     }
202.  
      
203.  
     bool
204.  
     AsdkInputPointMonitor::excludeFromOsnapCalculation (const AcArray<AcDbObjectId>& nestedEntity, INT_PTR gsSelectionMark)
205.  
     {
206.  
     acutPrintf( _T(" ExcludeFromOsnapCalculation called on monitor... ") );
207.  
     acutPrintf( _T("%d nested entities under cursor "), nestedEntity.length() );
208.  
     return false;
209.  
     }