Using acedSSSetKwordCallbackPtr on selections

LoveArx

This method allow a custom code to be executed when the user selects a keyword, which allow us include some additional keywords.

On the sample below, when acedSSGet() is called in a custom command, the user is able to use two new keywords: LInes to select all lines in the current drawing and CIRcles to select all circles. The callback function uses all possible return values.

First, check below the custom command, that register for the call back.

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1. void MyCustomCommand()
   
2. {
   
3.   // save the old callback function
   
4.   resbuf* (*oldFunc) (const ACHAR*);
   
5.   acedSSGetKwordCallbackPtr(&oldFunc);
   
6. 
   
7.   // set own callback function
   
8.   acedSSSetKwordCallbackPtr(ssCallback);
   
9.   // let the user make a selection
   
10.   ads_name ss;
    
11.   // this is the keyword list
    
12.   // to use local and global keywords:
    
13.   ACHAR kwordlist[] = { _T("LInes CIRcles _ LInes CIRcles") };
    
14. 
    
15.   if (RTNORM != acedSSGet(_T("_:K"), NULL, kwordlist, NULL, ss)) {
    
16.     // cancel
    
17.   } else {
    
18.     acutPrintf(_T("\nDone."));
    
19.     acedSSFree(ss);
    
20.   }
    
21.   // restore old callback function
    
22.   acedSSSetKwordCallbackPtr(*oldFunc);
    
23. }
    

void MyCustomCommand()<br /> {<br />   // save the old callback function<br />   resbuf* (*oldFunc) (const ACHAR*);<br />   acedSSGetKwordCallbackPtr(&oldFunc);<br /> <br />   // set own callback function<br />   acedSSSetKwordCallbackPtr(ssCallback);<br />   // let the user make a selection<br />   ads_name ss;<br />   // this is the keyword list<br />   // to use local and global keywords:<br />   ACHAR kwordlist[] = { _T("LInes CIRcles _ LInes CIRcles") };<br /> <br />   if (RTNORM != acedSSGet(_T("_:K"), NULL, kwordlist, NULL, ss)) {<br />     // cancel<br />   } else {<br />     acutPrintf(_T("\nDone."));<br />     acedSSFree(ss);<br />   }<br />   // restore old callback function<br />   acedSSSetKwordCallbackPtr(*oldFunc);<br /> }<br />

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Now the callback that is executed when the keyword is selected:

1. // Callback function for acedSSGet()
   
2. resbuf* ssCallback(const TCHAR* kword)
   
3. {
   
4.   // kword contains the global keyword
   
5.   acutPrintf(_T("\nCallback: '%s'"), kword);
   
6. 
   
7.   // result to return
   
8.   // NULL: no changes on selection set
   
9.   resbuf *result = NULL;
   
10. 
    
11.   if (!wcscmp(kword, _T("LInes"))) {
    
12.     // select all lines (just for testing)
    
13.     AcDbObjectIdArray objIds;
    
14.     getLines(objIds);
    
15.     // create resbuf containing single
    
16.     // enames from object id array
    
17.     result = getResbuf(objIds);
    
18.   } else if (!wcscmp(kword, _T("CIRcles"))) {
    
19.     // select all circles (just for testing)
    
20.     AcDbObjectIdArray objIds;
    
21.     getCircles(objIds);
    
22.     // create resbuf containing a selection set
    
23.     ads_name ss;
    
24.     acedSSGet(_T("X"), NULL, NULL,
    
25.       acutBuildList(RTDXF0, _T("CIRCLE"), RTNONE),
    
26.       ss);
    
27.     result = acutBuildList(RTPICKS, ss, RTNONE);
    
28.   } else {
    
29.     // return an error message
    
30.     result = acutBuildList(RTSTR, _T("\nUnknown error"), RTNONE);
    
31.   }
    
32.   return result;
    
33. }
    

// Callback function for acedSSGet()<br /> resbuf* ssCallback(const TCHAR* kword)<br /> {<br />   // kword contains the global keyword<br />   acutPrintf(_T("\nCallback: '%s'"), kword);<br /> <br />   // result to return<br />   // NULL: no changes on selection set<br />   resbuf *result = NULL;<br /> <br />   if (!wcscmp(kword, _T("LInes"))) {<br />     // select all lines (just for testing)<br />     AcDbObjectIdArray objIds;<br />     getLines(objIds);<br />     // create resbuf containing single<br />     // enames from object id array<br />     result = getResbuf(objIds);<br />   } else if (!wcscmp(kword, _T("CIRcles"))) {<br />     // select all circles (just for testing)<br />     AcDbObjectIdArray objIds;<br />     getCircles(objIds);<br />     // create resbuf containing a selection set<br />     ads_name ss;<br />     acedSSGet(_T("X"), NULL, NULL,<br />       acutBuildList(RTDXF0, _T("CIRCLE"), RTNONE),<br />       ss);<br />     result = acutBuildList(RTPICKS, ss, RTNONE);<br />   } else {<br />     // return an error message<br />     result = acutBuildList(RTSTR, _T("\nUnknown error"), RTNONE);<br />   }<br />   return result;<br /> }<br />

And finally some additional methods for this specific sample:

1. resbuf* getResbuf(AcDbObjectIdArray ids)
   
2. {
   
3.   resbuf *result = NULL, *temp1, *temp2;
   
4.   ads_name ename;
   
5.   int length = ids.length();
   
6. 
   
7.   for (int i = 0; i < length; ++i) {
   
8.     acdbGetAdsName(ename, ids);
   
9.     temp2 = acutBuildList(RTENAME, ename, RTNONE);
   
10.     if (result == NULL) {
    
11.       result = temp2;
    
12.     } else {
    
13.       temp1->rbnext = temp2;
    
14.     }
    
15.     temp1 = temp2;
    
16.   }
    
17. 
    
18.   return result;
    
19. }
    
20. 
    
21. void getLines(AcDbObjectIdArray& ids)
    
22. {
    
23.   // select all lines from model space
    
24.   // (without any error checking)
    
25.   AcDbBlockTable *pTable;
    
26.   AcDbBlockTableRecord *pModelSpace;
    
27.   AcDbBlockTableRecordIterator *pIter;
    
28.   AcDbEntity* pEnt;
    
29. 
    
30.   acdbHostApplicationServices()->workingDatabase()->
    
31.     getBlockTable(pTable, AcDb::kForRead);
    
32.   pTable->getAt(ACDB_MODEL_SPACE, pModelSpace, AcDb::kForRead);
    
33.   pTable->close();
    
34.   pModelSpace->newIterator(pIter);
    
35.   pModelSpace->close();
    
36. 
    
37.   for (; !pIter->done(); pIter->step()) {
    
38.     pIter->getEntity(pEnt, AcDb::kForRead);
    
39.     if (pEnt->isKindOf(AcDbLine::desc()))
    
40.       ids.append(pEnt->objectId());
    
41.     pEnt->close();
    
42.   }
    
43. 
    
44.   delete pIter;
    
45. }
    
46. 
    
47. void getCircles(AcDbObjectIdArray& ids)
    
48. {
    
49.   // select all circles from model space
    
50.   // (without any error checking)
    
51.   AcDbBlockTable *pTable;
    
52.   AcDbBlockTableRecord *pModelSpace;
    
53.   AcDbBlockTableRecordIterator *pIter;
    
54.   AcDbEntity* pEnt;
    
55. 
    
56.   acdbHostApplicationServices()->workingDatabase()->
    
57.     getBlockTable(pTable, AcDb::kForRead);
    
58.   pTable->getAt(ACDB_MODEL_SPACE, pModelSpace, AcDb::kForRead);
    
59.   pTable->close();
    
60.   pModelSpace->newIterator(pIter);
    
61.   pModelSpace->close();
    
62. 
    
63.   for (; !pIter->done(); pIter->step()) {
    
64.     pIter->getEntity(pEnt, AcDb::kForRead);
    
65.     if (pEnt->isKindOf(AcDbCircle::desc()))
    
66.       ids.append(pEnt->objectId());
    
67.     pEnt->close();
    
68.   }
    
69. 
    
70.   delete pIter;
    
71. }
    

resbuf* getResbuf(AcDbObjectIdArray ids)<br /> {<br />   resbuf *result = NULL, *temp1, *temp2;<br />   ads_name ename;<br />   int length = ids.length();<br /> <br />   for (int i = 0; i < length; ++i) {<br />     acdbGetAdsName(ename, ids<i>);<br />     temp2 = acutBuildList(RTENAME, ename, RTNONE);<br />     if (result == NULL) {<br />       result = temp2;<br />     } else {<br />       temp1->rbnext = temp2;<br />     }<br />     temp1 = temp2;<br />   }<br /> <br />   return result;<br /> }<br /> <br /> void getLines(AcDbObjectIdArray& ids)<br /> {<br />   // select all lines from model space<br />   // (without any error checking)<br />   AcDbBlockTable *pTable;<br />   AcDbBlockTableRecord *pModelSpace;<br />   AcDbBlockTableRecordIterator *pIter;<br />   AcDbEntity* pEnt;<br /> <br />   acdbHostApplicationServices()->workingDatabase()-><br />     getBlockTable(pTable, AcDb::kForRead);<br />   pTable->getAt(ACDB_MODEL_SPACE, pModelSpace, AcDb::kForRead);<br />   pTable->close();<br />   pModelSpace->newIterator(pIter);<br />   pModelSpace->close();<br /> <br />   for (; !pIter->done(); pIter->step()) {<br />     pIter->getEntity(pEnt, AcDb::kForRead);<br />     if (pEnt->isKindOf(AcDbLine::desc()))<br />       ids.append(pEnt->objectId());<br />     pEnt->close();<br />   }<br /> <br />   delete pIter;<br /> }<br /> <br /> void getCircles(AcDbObjectIdArray& ids)<br /> {<br />   // select all circles from model space<br />   // (without any error checking)<br />   AcDbBlockTable *pTable;<br />   AcDbBlockTableRecord *pModelSpace;<br />   AcDbBlockTableRecordIterator *pIter;<br />   AcDbEntity* pEnt;<br /> <br />   acdbHostApplicationServices()->workingDatabase()-><br />     getBlockTable(pTable, AcDb::kForRead);<br />   pTable->getAt(ACDB_MODEL_SPACE, pModelSpace, AcDb::kForRead);<br />   pTable->close();<br />   pModelSpace->newIterator(pIter);<br />   pModelSpace->close();<br /> <br />   for (; !pIter->done(); pIter->step()) {<br />     pIter->getEntity(pEnt, AcDb::kForRead);<br />     if (pEnt->isKindOf(AcDbCircle::desc()))<br />       ids.append(pEnt->objectId());<br />     pEnt->close();<br />   }<br /> <br />   delete pIter;<br /> }<br />

zjy2999

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ARX2014

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why1025

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革天明

error C3867: 'CArxProject1App::keywordCallback': function call missing argument list; use '&CArxProject1App::keywordCallback' to create a pointer to member

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附件为acedSSGet使用K参数的例子，但编译不过，请问如何处理？
参考自：http://blog.sina.com.cn/s/blog_5f63dcd10102ww8i.html
https://blog.csdn.net/panzhijiep ... le/details/40824173
http://www.cadgj.com/?p=170
http://www.cadgj.com/?p=1448

NET-JOB

有没完整的编译版

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学习中谢谢分享

zeqi1991

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老仓测绘上班记

谢谢楼主分享！

phi03c

thank you sharing

开箱剁手

acedSSSetKwordCallbackPtr  谢谢楼主分享！