source: trunk/dll/draglist.c@ 444

Last change on this file since 444 was 364, checked in by root, 19 years ago

Check more run time errors
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1
2/***********************************************************************
3
4 $Id: draglist.c 364 2006-07-27 00:44:53Z root $
5
6 Drag drop support
7
8 Copyright (c) 1993-98 M. Kimes
9 Copyright (c) 2001, 2002 Steven H.Levine
10
11 16 Oct 02 SHL DoFileDrag: don't free stack
12 26 Jul 06 SHL Check more run time errors
13
14***********************************************************************/
15
16#define INCL_DOS
17#define INCL_WIN
18#include <os2.h>
19
20#include <stdio.h>
21#include <stdlib.h>
22#include <string.h>
23#include <ctype.h>
24
25#include "fm3dll.h"
26
27static PSZ pszSrcFile = __FILE__;
28
29#pragma alloc_text(DRAGLIST,DragOne,DoFileDrag,DragList,PickUp)
30
31HWND DragOne (HWND hwndCnr,HWND hwndObj,CHAR *filename,BOOL moveok) {
32
33 DRAGITEM DItem;
34 HWND hDrop = 0;
35 DRAGIMAGE fakeicon;
36 PDRAGINFO pDInfo;
37 FILESTATUS3 fs3;
38 CHAR szDir[CCHMAXPATH],szFile[CCHMAXPATH],*p;
39
40 if(filename && *filename) {
41 if((IsRoot(filename) && IsValidDrive(*filename)) ||
42 !DosQueryPathInfo(filename,FIL_STANDARD,&fs3,sizeof(fs3))) {
43 strcpy(szDir,filename);
44 p = szDir;
45 while(*p) {
46 if(*p == '/')
47 *p = '\\';
48 p++;
49 }
50 p = strrchr(szDir,'\\');
51 if(p) {
52 *p = 0;
53 p++;
54 strcpy(szFile,p);
55 strcat(szDir,"\\");
56 }
57 else {
58 strcpy(szFile,filename);
59 *szDir = 0;
60 }
61 memset(&fakeicon,0,sizeof(DRAGIMAGE));
62 fakeicon.hImage = (IsRoot(filename) ||
63 (fs3.attrFile & FILE_DIRECTORY) != 0) ?
64 hptrDir : hptrFile;
65 memset(&DItem,0,sizeof(DRAGITEM));
66 DItem.hwndItem = (hwndObj) ? hwndObj : hwndCnr; /* Initialize DRAGITEM */
67 // DItem.hwndItem = hwndCnr;
68 DItem.ulItemID = 1;
69 DItem.hstrType = DrgAddStrHandle(DRT_UNKNOWN);
70 DItem.hstrRMF =
71 DrgAddStrHandle(DRMDRFLIST);
72 DItem.hstrContainerName = DrgAddStrHandle(szDir);
73 DItem.hstrSourceName = DrgAddStrHandle(szFile);
74 DItem.hstrTargetName = DrgAddStrHandle(szFile);
75 DItem.fsControl = 0;
76 if(IsRoot(filename) || (fs3.attrFile & FILE_DIRECTORY) != 0)
77 DItem.fsControl |= DC_CONTAINER;
78 if(IsFullName(filename) &&
79 (driveflags[toupper(*filename) - 'A'] & DRIVE_REMOVABLE))
80 DItem.fsControl |= DC_REMOVEABLEMEDIA;
81 DItem.fsSupportedOps = DO_COPYABLE | DO_LINKABLE;
82 if(moveok && IsFullName(filename) &&
83 !(driveflags[toupper(*filename) - 'A'] & DRIVE_NOTWRITEABLE))
84 DItem.fsSupportedOps |= DO_MOVEABLE;
85 if(IsRoot(filename))
86 DItem.fsSupportedOps = DO_LINKABLE;
87 fakeicon.cb = sizeof(DRAGIMAGE);
88 fakeicon.cptl = 0;
89 fakeicon.fl = DRG_ICON;
90 fakeicon.sizlStretch.cx = 32;
91 fakeicon.sizlStretch.cy = 32;
92 fakeicon.cxOffset = -16;
93 fakeicon.cyOffset = 0;
94 pDInfo = DrgAllocDraginfo(1); /* Allocate DRAGINFO */
95 if(pDInfo) {
96 if(IsFullName(filename) &&
97 (driveflags[toupper(*filename) - 'A'] & DRIVE_NOTWRITEABLE))
98 pDInfo->usOperation = DO_COPY;
99 else
100 pDInfo->usOperation = DO_DEFAULT;
101 if(IsRoot(filename))
102 pDInfo->usOperation = DO_LINK;
103 pDInfo->hwndSource = (hwndObj) ? hwndObj : hwndCnr;
104 // pDInfo->hwndSource = hwndCnr;
105 DrgSetDragitem(pDInfo, /* Set item in DRAGINFO */
106 &DItem, /* Pointer to DRAGITEM */
107 sizeof(DRAGITEM), /* Size of DRAGITEM */
108 0); /* Index of DRAGITEM */
109 WinSetFocus(HWND_DESKTOP,HWND_DESKTOP);
110 hDrop = DrgDrag(hwndCnr, /* Initiate drag */
111 pDInfo, /* DRAGINFO structure */
112 &fakeicon,
113 1L,
114 VK_ENDDRAG, /* End of drag indicator */
115 (PVOID)NULL); /* Reserved */
116
117 DrgFreeDraginfo(pDInfo); /* Free DRAGINFO struct */
118 WinSetWindowPos(hwndCnr,HWND_TOP,0,0,0,0,SWP_ACTIVATE);
119 }
120 }
121 }
122 return hDrop;
123}
124
125
126HWND DoFileDrag (HWND hwndCnr,HWND hwndObj,PCNRDRAGINIT pcd,CHAR *arcfile,
127 CHAR *directory,BOOL moveok)
128{
129 /* drag files from a container */
130
131 BOOL isdir,rooting = FALSE;
132 PCNRITEM pci;
133 register CHAR *p;
134 INT attribute = CRA_CURSORED;
135 PDRAGINFO pDInfo = NULL;
136 DRAGITEM **ppDItem = NULL,**ppTest;
137 PCNRITEM pciRec = (PCNRITEM)pcd->pRecord;
138 HWND hDrop = 0;
139 register ULONG ulNumfiles = 0L,numdragalloc = 0L,Select,ulNumIcon = 0;
140 CHAR szFile[CCHMAXPATH],szBuffer[CCHMAXPATH];
141 DRAGIMAGE *padiIcon = NULL,*padiTest,diFakeIcon;
142
143 if(!pciRec && directory && *directory)
144 return DragOne(hwndCnr,hwndObj,directory,moveok);
145
146 if(!pciRec) {
147 pci = (PCNRITEM)WinSendMsg(hwndCnr,CM_QUERYRECORDEMPHASIS,
148 MPFROMLONG(CMA_FIRST),
149 MPFROMSHORT(attribute));
150 if(pci && (INT)pci > -1) {
151 if(pci->rc.flRecordAttr & CRA_SELECTED) {
152 attribute = CRA_SELECTED;
153 pci = WinSendMsg(hwndCnr,CM_QUERYRECORDEMPHASIS,MPFROMLONG(CMA_FIRST),
154 MPFROMSHORT(attribute));
155 }
156 }
157 }
158 else {
159 pci = pciRec;
160 attribute = (pci->rc.flRecordAttr & CRA_SELECTED) ? CRA_SELECTED : 0;
161 if(attribute) {
162 pci = WinSendMsg(hwndCnr,CM_QUERYRECORDEMPHASIS,MPFROMLONG(CMA_FIRST),
163 MPFROMSHORT(attribute));
164 }
165 }
166
167 Select = 0L;
168 while( pci && (INT)pci > -1) {
169 if(!(pci->rc.flRecordAttr & CRA_FILTERED)) {
170 if(IsRoot(pci->szFileName) && !IsValidDrive(*pci->szFileName))
171 goto Continuing;
172 if(!arcfile) {
173 strcpy(szBuffer,pci->szFileName);
174 p = strrchr(szBuffer,'\\');
175 if(p) {
176 p++;
177 strcpy(szFile,p);
178 *p = 0;
179 }
180 else
181 goto Continuing;
182 }
183 else
184 strcpy(szFile,pci->szFileName);
185 }
186 if(!arcfile) {
187 // Filesystem object
188 isdir = ((pci->attrFile & FILE_DIRECTORY) != 0);
189 if(ulNumfiles + 2L > numdragalloc) {
190 if (!padiIcon) {
191 padiTest = xrealloc(padiIcon,sizeof(DRAGIMAGE) * (numdragalloc + 4L), pszSrcFile, __LINE__);
192 if(padiTest)
193 padiIcon = padiTest;
194 else
195 break;
196 }
197 else if(!ulNumIcon) {
198 padiIcon[ulNumfiles].cb = sizeof(DRAGIMAGE);
199 padiIcon[ulNumfiles].cptl = 0;
200 padiIcon[ulNumfiles].hImage = hptrLast;
201 padiIcon[ulNumfiles].fl = DRG_ICON;
202 padiIcon[ulNumfiles].sizlStretch.cx = 32;
203 padiIcon[ulNumfiles].sizlStretch.cy = 32;
204 padiIcon[ulNumfiles].cxOffset = -16 + (ulNumfiles * 4);
205 padiIcon[ulNumfiles].cyOffset = 0 + (ulNumfiles * 7);
206 ulNumIcon = ulNumfiles + 1;
207 }
208 ppTest = xrealloc(ppDItem,sizeof(DRAGITEM *) * (numdragalloc + 4L), pszSrcFile, __LINE__);
209 if (ppTest) {
210 ppDItem = ppTest;
211 numdragalloc += 4L;
212 }
213 else
214 break;
215 }
216 ppDItem[ulNumfiles] = xmalloc(sizeof(DRAGITEM), pszSrcFile, __LINE__);
217 if (ppDItem[ulNumfiles]) {
218 if (!ulNumIcon) {
219 padiIcon[ulNumfiles].cb = sizeof(DRAGIMAGE);
220 padiIcon[ulNumfiles].cptl = 0;
221 padiIcon[ulNumfiles].hImage = pci->rc.hptrIcon;
222 if(!padiIcon[ulNumfiles].hImage)
223 padiIcon[ulNumfiles].hImage = (isdir) ? hptrDir : hptrFile;
224 padiIcon[ulNumfiles].fl = DRG_ICON;
225 padiIcon[ulNumfiles].sizlStretch.cx = 32;
226 padiIcon[ulNumfiles].sizlStretch.cy = 32;
227 padiIcon[ulNumfiles].cxOffset = -16 + (ulNumfiles * 3);
228 padiIcon[ulNumfiles].cyOffset = 0 + (ulNumfiles * 6);
229 }
230 memset(ppDItem[ulNumfiles],0,sizeof(DRAGITEM));
231 ppDItem[ulNumfiles]->hwndItem = (hwndObj) ? hwndObj : hwndCnr; /* Initialize DRAGITEM */
232 ppDItem[ulNumfiles]->hwndItem = hwndCnr;
233 ppDItem[ulNumfiles]->ulItemID = (ULONG)pci;
234 ppDItem[ulNumfiles]->hstrType = DrgAddStrHandle(DRT_UNKNOWN);
235 ppDItem[ulNumfiles]->hstrRMF = DrgAddStrHandle(DRMDRFLIST);
236 ppDItem[ulNumfiles]->hstrContainerName = DrgAddStrHandle(szBuffer);
237 ppDItem[ulNumfiles]->hstrSourceName = DrgAddStrHandle(szFile);
238 ppDItem[ulNumfiles]->hstrTargetName = DrgAddStrHandle(szFile);
239 ppDItem[ulNumfiles]->fsControl = (isdir) ? DC_CONTAINER : 0;
240 if(IsFullName(pci->szFileName) &&
241 (driveflags[toupper(*pci->szFileName) - 'A'] & DRIVE_REMOVABLE))
242 ppDItem[ulNumfiles]->fsControl |= DC_REMOVEABLEMEDIA;
243 ppDItem[ulNumfiles]->fsSupportedOps = DO_COPYABLE | DO_LINKABLE;
244 if(moveok && IsFullName(pci->szFileName) &&
245 !(driveflags[toupper(*pci->szFileName) - 'A'] & DRIVE_NOTWRITEABLE))
246 ppDItem[ulNumfiles]->fsSupportedOps |= DO_MOVEABLE;
247 if(IsRoot(pci->szFileName)) {
248 ppDItem[ulNumfiles]->fsSupportedOps = DO_LINKABLE;
249 rooting = TRUE;
250 }
251 ulNumfiles++;
252 ppDItem[ulNumfiles] = NULL;
253 }
254 else
255 break;
256 }
257 else {
258 // Archive object
259 if(ulNumfiles + 3L > numdragalloc) {
260 ppTest = xrealloc(ppDItem,sizeof(DRAGITEM *) * (numdragalloc + 5L), pszSrcFile, __LINE__);
261 if (!ppTest)
262 break;
263 else {
264 ppDItem = ppTest;
265 numdragalloc += 5L;
266 }
267 }
268 ppDItem[ulNumfiles] = xmalloc(sizeof(DRAGITEM), pszSrcFile, __LINE__);
269 if (!ppDItem[ulNumfiles])
270 break;
271 else {
272 diFakeIcon.hImage = hptrFile;
273 memset(ppDItem[ulNumfiles],0,sizeof(DRAGITEM));
274 ppDItem[ulNumfiles]->hwndItem = (hwndObj) ? hwndObj : hwndCnr; /* Initialize DRAGITEM */
275 ppDItem[ulNumfiles]->hwndItem = hwndCnr;
276 ppDItem[ulNumfiles]->ulItemID = (ULONG)pci;
277 ppDItem[ulNumfiles]->hstrType = DrgAddStrHandle(DRT_UNKNOWN);
278 ppDItem[ulNumfiles]->hstrRMF = DrgAddStrHandle(DRMDRFOS2FILE);
279 ppDItem[ulNumfiles]->hstrContainerName = DrgAddStrHandle(arcfile);
280 ppDItem[ulNumfiles]->hstrSourceName = DrgAddStrHandle(szFile);
281 ppDItem[ulNumfiles]->hstrTargetName = DrgAddStrHandle(szFile);
282 ppDItem[ulNumfiles]->fsControl = DC_PREPARE;
283 if(IsFullName(arcfile) &&
284 (driveflags[toupper(*arcfile) - 'A'] & DRIVE_REMOVABLE))
285 ppDItem[ulNumfiles]->fsControl |= DC_REMOVEABLEMEDIA;
286 ppDItem[ulNumfiles]->fsSupportedOps = DO_COPYABLE;
287 ulNumfiles++;
288 ppDItem[ulNumfiles] = xmalloc(sizeof(DRAGITEM), pszSrcFile, __LINE__);
289 if (ppDItem[ulNumfiles]) {
290 diFakeIcon.hImage = hptrFile;
291 memset(ppDItem[ulNumfiles],0,sizeof(DRAGITEM));
292 ppDItem[ulNumfiles]->hwndItem = (hwndObj) ? hwndObj : hwndCnr; /* Initialize DRAGITEM */
293 ppDItem[ulNumfiles]->hwndItem = hwndCnr;
294 ppDItem[ulNumfiles]->ulItemID = Select++;
295 ppDItem[ulNumfiles]->hstrType = DrgAddStrHandle(DRT_UNKNOWN);
296 ppDItem[ulNumfiles]->hstrRMF = DrgAddStrHandle(DRMDRFFM2ARC);
297 ppDItem[ulNumfiles]->hstrContainerName = DrgAddStrHandle(arcfile);
298 ppDItem[ulNumfiles]->hstrSourceName = DrgAddStrHandle(szFile);
299 ppDItem[ulNumfiles]->hstrTargetName = DrgAddStrHandle(szFile);
300 ppDItem[ulNumfiles]->fsControl = 0;
301 if(IsFullName(arcfile) &&
302 (driveflags[toupper(*arcfile) - 'A'] & DRIVE_REMOVABLE))
303 ppDItem[ulNumfiles]->fsControl |= DC_REMOVEABLEMEDIA;
304 ppDItem[ulNumfiles]->fsSupportedOps = DO_COPYABLE;
305 ulNumfiles++;
306 }
307 ppDItem[ulNumfiles] = NULL;
308 }
309 }
310 WinSendMsg(hwndCnr,CM_SETRECORDEMPHASIS,MPFROMP(pci),
311 MPFROM2SHORT(TRUE,CRA_SOURCE));
312
313Continuing:
314
315 if(!attribute)
316 break;
317 pci = WinSendMsg(hwndCnr,CM_QUERYRECORDEMPHASIS,MPFROMP(pci),
318 MPFROMSHORT(attribute));
319 } // while
320
321 if(ulNumfiles) {
322 pDInfo = DrgAllocDraginfo(ulNumfiles); /* Allocate DRAGINFO */
323 if(pDInfo) {
324 if((arcfile && *arcfile) || (IsFullName(szBuffer) &&
325 (driveflags[toupper(*szBuffer) - 'A'] & DRIVE_NOTWRITEABLE)))
326 pDInfo->usOperation = DO_COPY;
327 else
328 pDInfo->usOperation = DO_DEFAULT;
329 if((!arcfile || !*arcfile) && rooting)
330 pDInfo->usOperation = DO_LINK;
331 pDInfo->hwndSource = (hwndObj) ? hwndObj : hwndCnr;
332 // pDInfo->hwndSource = hwndCnr;
333 for(Select = 0L;Select < ulNumfiles;Select++) {
334 DrgSetDragitem(pDInfo, /* Set item in DRAGINFO */
335 ppDItem[Select], /* Pointer to DRAGITEM */
336 sizeof(DRAGITEM), /* Size of DRAGITEM */
337 Select); /* Index of DRAGITEM */
338 free(ppDItem[Select]);
339 }
340#ifdef __DEBUG_ALLOC__
341 _heap_check();
342#endif
343 free(ppDItem);
344 ppDItem = NULL;
345 DosPostEventSem(CompactSem);
346
347 if(arcfile) {
348 diFakeIcon.cb = sizeof(DRAGIMAGE);
349 diFakeIcon.cptl = 0;
350 if(ulNumfiles > 1)
351 diFakeIcon.hImage = hptrFile;
352 diFakeIcon.fl = DRG_ICON;
353 diFakeIcon.sizlStretch.cx = 32;
354 diFakeIcon.sizlStretch.cy = 32;
355 diFakeIcon.cxOffset = -16;
356 diFakeIcon.cyOffset = 0;
357 padiIcon = &diFakeIcon;
358 }
359 if(!arcfile) {
360 if(!ulNumIcon)
361 ulNumIcon = ulNumfiles;
362 }
363 else
364 ulNumIcon = 1L;
365
366 WinSetFocus(HWND_DESKTOP,HWND_DESKTOP);
367 hDrop = DrgDrag(hwndCnr, /* Initiate drag */
368 pDInfo, /* DRAGINFO structure */
369 padiIcon,
370 ulNumIcon,
371 VK_ENDDRAG, /* End of drag indicator */
372 (PVOID)NULL); /* Reserved */
373
374 DrgFreeDraginfo(pDInfo); /* Free DRAGINFO struct */
375 if(padiIcon && padiIcon != &diFakeIcon)
376 free(padiIcon);
377 padiIcon = NULL;
378 WinSetWindowPos(hwndCnr,HWND_TOP,0,0,0,0,SWP_ACTIVATE);
379 DosPostEventSem(CompactSem);
380 }
381 }
382 if(ppDItem)
383 free(ppDItem);
384 if(padiIcon && padiIcon != &diFakeIcon)
385 free(padiIcon);
386 MarkAll(hwndCnr,TRUE,FALSE,TRUE);
387 return hDrop;
388}
389
390
391HWND DragList (HWND hwnd,HWND hwndObj,CHAR **list,BOOL moveok) {
392
393 /* drag a linked list of files */
394
395 BOOL isdir;
396 register CHAR *p;
397 PDRAGINFO pDInfo = NULL;
398 DRAGITEM **ppDItem = NULL,**ppTest;
399 HWND hDrop = (HWND)0;
400 register ULONG ulNumfiles = 0L,numdragalloc = 0L,Select,ulNumIcon = 0;
401 CHAR szFile[CCHMAXPATH],szBuffer[CCHMAXPATH];
402 DRAGIMAGE *padiIcon = NULL,*padiTest;
403 FILESTATUS3 fs3;
404
405 if(!list || !list[0])
406 return hDrop;
407 for(Select = 0;list[Select];Select++) {
408 if((!IsRoot(list[Select]) || !IsValidDrive(*list[Select])) &&
409 DosQueryPathInfo(list[Select],FIL_STANDARD,&fs3,sizeof(fs3)))
410 continue;
411 strcpy(szBuffer,list[Select]);
412 p = strrchr(szBuffer,'\\');
413 if(p) {
414 p++;
415 strcpy(szFile,p);
416 *p = 0;
417 }
418 else
419 continue;
420 if(*szFile) {
421 isdir = (IsRoot(list[Select])) ? TRUE :
422 ((fs3.attrFile & FILE_DIRECTORY) != 0);
423 if(ulNumfiles + 2L > numdragalloc) {
424 if (!padiIcon) {
425 padiTest = xrealloc(padiIcon,sizeof(DRAGIMAGE) * (numdragalloc + 4L), pszSrcFile, __LINE__);
426 if (!padiTest)
427 break;
428 else
429 padiIcon = padiTest;
430 }
431 else if(!ulNumIcon) {
432 padiIcon[ulNumfiles].cb = sizeof(DRAGIMAGE);
433 padiIcon[ulNumfiles].cptl = 0;
434 padiIcon[ulNumfiles].hImage = hptrLast;
435 padiIcon[ulNumfiles].fl = DRG_ICON;
436 padiIcon[ulNumfiles].sizlStretch.cx = 32;
437 padiIcon[ulNumfiles].sizlStretch.cy = 32;
438 padiIcon[ulNumfiles].cxOffset = -16 + (ulNumfiles * 4);
439 padiIcon[ulNumfiles].cyOffset = 0 + (ulNumfiles * 7);
440 ulNumIcon = ulNumfiles + 1;
441 }
442 ppTest = xrealloc(ppDItem,sizeof(DRAGITEM *) * (numdragalloc + 4L), pszSrcFile, __LINE__);
443 if (!ppTest)
444 break;
445 else {
446 ppDItem = ppTest;
447 numdragalloc += 4L;
448 }
449 }
450 ppDItem[ulNumfiles] = xmalloc(sizeof(DRAGITEM), pszSrcFile, __LINE__);
451 if (!ppDItem[ulNumfiles])
452 break;
453 else {
454 if(!ulNumIcon) {
455 padiIcon[ulNumfiles].cb = sizeof(DRAGIMAGE);
456 padiIcon[ulNumfiles].cptl = 0;
457 padiIcon[ulNumfiles].hImage = (isdir) ? hptrDir : hptrFile;
458 padiIcon[ulNumfiles].fl = DRG_ICON;
459 padiIcon[ulNumfiles].sizlStretch.cx = 32;
460 padiIcon[ulNumfiles].sizlStretch.cy = 32;
461 padiIcon[ulNumfiles].cxOffset = -16 + (ulNumfiles * 3);
462 padiIcon[ulNumfiles].cyOffset = 0 + (ulNumfiles * 6);
463 }
464 memset(ppDItem[ulNumfiles],0,sizeof(DRAGITEM));
465 ppDItem[ulNumfiles]->hwndItem = (hwndObj) ? hwndObj : hwnd; /* Initialize DRAGITEM */
466 // ppDItem[ulNumfiles]->hwndItem = hwnd;
467 ppDItem[ulNumfiles]->ulItemID = (ULONG)Select;
468 ppDItem[ulNumfiles]->hstrType = DrgAddStrHandle(DRT_UNKNOWN);
469 ppDItem[ulNumfiles]->hstrRMF = DrgAddStrHandle(DRMDRFLIST);
470 ppDItem[ulNumfiles]->hstrContainerName = DrgAddStrHandle(szBuffer);
471 ppDItem[ulNumfiles]->hstrSourceName = DrgAddStrHandle(szFile);
472 ppDItem[ulNumfiles]->hstrTargetName = DrgAddStrHandle(szFile);
473 ppDItem[ulNumfiles]->fsControl = (isdir) ? DC_CONTAINER : 0;
474 if(IsFullName(list[Select]) &&
475 (driveflags[toupper(*list[Select]) - 'A'] & DRIVE_REMOVABLE))
476 ppDItem[ulNumfiles]->fsControl |= DC_REMOVEABLEMEDIA;
477 ppDItem[ulNumfiles]->fsSupportedOps = DO_COPYABLE | DO_LINKABLE;
478 if(moveok && IsFullName(list[Select]) &&
479 !(driveflags[toupper(*list[Select]) - 'A'] & DRIVE_NOTWRITEABLE))
480 ppDItem[ulNumfiles]->fsSupportedOps |= DO_MOVEABLE;
481 if(IsRoot(list[Select]))
482 ppDItem[ulNumfiles]->fsControl = DO_LINKABLE;
483 ulNumfiles++;
484 ppDItem[ulNumfiles] = NULL;
485 }
486 }
487 } // for
488
489 if (ulNumfiles) {
490 pDInfo = DrgAllocDraginfo(ulNumfiles); /* Allocate DRAGINFO */
491 if (pDInfo) {
492 if ((IsFullName(szBuffer) &&
493 (driveflags[toupper(*szBuffer) - 'A'] & DRIVE_NOTWRITEABLE)))
494 pDInfo->usOperation = DO_COPY;
495 else
496 pDInfo->usOperation = DO_DEFAULT;
497 if (IsRoot(list[0]))
498 pDInfo->usOperation = DO_LINK;
499 pDInfo->hwndSource = (hwndObj) ? hwndObj : hwnd;
500 // pDInfo->hwndSource = hwnd;
501 for (Select = 0L;Select < ulNumfiles;Select++) {
502 DrgSetDragitem(pDInfo, /* Set item in DRAGINFO */
503 ppDItem[Select], /* Pointer to DRAGITEM */
504 sizeof(DRAGITEM), /* Size of DRAGITEM */
505 Select); /* Index of DRAGITEM */
506 free(ppDItem[Select]);
507 } // for
508#ifdef __DEBUG_ALLOC__
509 _heap_check();
510#endif
511 free(ppDItem);
512 ppDItem = NULL;
513 DosPostEventSem(CompactSem);
514
515 if(!ulNumIcon)
516 ulNumIcon = ulNumfiles;
517
518 WinSetFocus(HWND_DESKTOP,HWND_DESKTOP);
519 hDrop = DrgDrag(hwnd, /* Initiate drag */
520 pDInfo, /* DRAGINFO structure */
521 padiIcon,
522 ulNumIcon,
523 VK_ENDDRAG, /* End of drag indicator */
524 (PVOID)NULL); /* Reserved */
525
526 DrgFreeDraginfo(pDInfo); /* Free DRAGINFO struct */
527 free(padiIcon);
528 padiIcon = NULL;
529 WinSetWindowPos(hwnd,HWND_TOP,0,0,0,0,SWP_ACTIVATE);
530 DosPostEventSem(CompactSem);
531 }
532 }
533 if(ppDItem)
534 free(ppDItem);
535 if(padiIcon)
536 free(padiIcon);
537 return hDrop;
538}
539
540
541#ifdef NEVER
542
543BOOL PickUp (HWND hwndCnr,HWND hwndObj,PCNRDRAGINIT pcd) {
544
545 PCNRITEM pci;
546 BOOL loop = TRUE;
547 PDRAGINFO pdinfoOld = NULL,pdinfoCurrent = NULL;
548 ULONG cditem = 0;
549 DRAGITEM ditem;
550 DRAGIMAGE diFakeIcon;
551 CHAR szDir[CCHMAXPATH],szFile[CCHMAXPATH],*p;
552
553 pci = (PCNRITEM)pcd->pRecord;
554 if(pci && (INT)pci != -1) {
555 if(pci->rc.flRecordAttr & CRA_SELECTED) {
556 loop = TRUE;
557 pci = WinSendMsg(hwndCnr,CM_QUERYRECORDEMPHASIS,
558 MPFROMLONG(CMA_FIRST),MPFROMSHORT(CRA_SELECTED));
559 }
560 while(pci && (INT)pci != -1 && *pci->szFileName) {
561 if(pdinfoOld || DrgQueryDragStatus() & DGS_LAZYDRAGINPROGRESS) {
562 if(!pdinfoOld)
563 pdinfoOld = DrgQueryDraginfoPtr(NULL);
564 if(pdinfoOld) {
565 cditem = pdinfoOld->cditem + 1;
566 pdinfoCurrent = DrgReallocDraginfo(pdinfoOld,cditem);
567 pdinfoOld = pdinfoCurrent;
568 }
569 }
570 else
571 pdinfoCurrent = pdinfoOld = DrgAllocDraginfo(1);
572 if(pdinfoCurrent) {
573 strcpy(szDir,pci->szFileName);
574 p = szDir;
575 while(*p) {
576 if(*p == '/')
577 *p = '\\';
578 p++;
579 }
580 p = strrchr(szDir,'\\');
581 if(p) {
582 *p = 0;
583 p++;
584 strcpy(szFile,p);
585 strcat(szDir,"\\");
586 }
587 else {
588 strcpy(szFile,pci->szFileName);
589 *szDir = 0;
590 }
591 ditem.ulItemID = (ULONG)pci;
592 ditem.hwndItem = (hwndObj) ? hwndObj : hwndCnr;
593 ditem.hstrType = DrgAddStrHandle(DRT_UNKNOWN);
594 ditem.hstrRMF =
595 DrgAddStrHandle(DRMDRFLIST);
596 ditem.hstrContainerName = DrgAddStrHandle(szDir);
597 ditem.hstrSourceName = DrgAddStrHandle(szFile);
598 ditem.hstrTargetName = DrgAddStrHandle(szFile);
599 ditem.fsControl = 0;
600 if(IsRoot(pci->szFileName) || (pci->attrFile & FILE_DIRECTORY) != 0)
601 ditem.fsControl |= DC_CONTAINER;
602 if(IsFullName(pci->szFileName) &&
603 (driveflags[toupper(*pci->szFileName) - 'A'] & DRIVE_REMOVABLE))
604 ditem.fsControl |= DC_REMOVEABLEMEDIA;
605 ditem.fsSupportedOps = DO_COPYABLE | DO_LINKABLE;
606 if(IsFullName(pci->szFileName) &&
607 !(driveflags[toupper(*pci->szFileName) - 'A'] & DRIVE_NOTWRITEABLE))
608 ditem.fsSupportedOps |= DO_MOVEABLE;
609 if(IsRoot(pci->szFileName))
610 ditem.fsSupportedOps = DO_LINKABLE;
611 memset(&diFakeIcon,0,sizeof(DRAGIMAGE));
612 diFakeIcon.hImage = pci->rc.hptrIcon;
613 diFakeIcon.cb = sizeof(DRAGIMAGE);
614 diFakeIcon.cptl = 0;
615 diFakeIcon.fl = DRG_ICON;
616 diFakeIcon.sizlStretch.cx = 32;
617 diFakeIcon.sizlStretch.cy = 32;
618 diFakeIcon.cxOffset = -16;
619 diFakeIcon.cyOffset = 0;
620 if(IsFullName(pci->szFileName) &&
621 (driveflags[toupper(*pci->szFileName) - 'A'] & DRIVE_NOTWRITEABLE))
622 pdinfoCurrent->usOperation = DO_COPY;
623 else
624 pdinfoCurrent->usOperation = DO_DEFAULT;
625 if(IsRoot(pci->szFileName))
626 pdinfoCurrent->usOperation = DO_LINK;
627 pdinfoCurrent->hwndSource = (hwndObj) ? hwndObj : hwndCnr;
628 DrgSetDragitem(pdinfoCurrent,
629 &ditem,
630 sizeof(DRAGITEM),
631 cditem);
632 }
633 if(!loop)
634 break;
635 pci = WinSendMsg(hwndCnr,CM_QUERYRECORDEMPHASIS,
636 MPFROMP(pci),MPFROMSHORT(CRA_SELECTED));
637 }
638 if(pdinfoCurrent)
639 return DrgLazyDrag(hwndCnr,pdinfoCurrent,&diFakeIcon,1,NULL);
640 }
641 return FALSE;
642}
643
644#endif // NEVER
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