| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/os2/dnd.cpp |
| 3 | // Purpose: wxDropTarget, wxDropSource, wxDataObject implementation |
| 4 | // Author: David Webster |
| 5 | // Modified by: |
| 6 | // Created: 10/21/99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 1998 AUTHOR |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // For compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #if wxUSE_DRAG_AND_DROP |
| 16 | |
| 17 | #include "wx/window.h" |
| 18 | #include "wx/app.h" |
| 19 | #include "wx/gdicmn.h" |
| 20 | #include "wx/dnd.h" |
| 21 | |
| 22 | #define INCL_PM |
| 23 | #define INCL_DOS |
| 24 | #include <os2.h> |
| 25 | |
| 26 | // ---------------------------------------------------------------------------- |
| 27 | // global |
| 28 | // ---------------------------------------------------------------------------- |
| 29 | |
| 30 | ///////////////////////////////////////////////////////////////////////////// |
| 31 | // Private functions |
| 32 | ///////////////////////////////////////////////////////////////////////////// |
| 33 | |
| 34 | #if 0 |
| 35 | static wxDragResult ConvertDragEffectToResult ( |
| 36 | DWORD dwEffect |
| 37 | ) |
| 38 | { |
| 39 | switch (dwEffect) |
| 40 | { |
| 41 | case DO_COPY: |
| 42 | return wxDragCopy; |
| 43 | |
| 44 | case DO_LINK: |
| 45 | return wxDragLink; |
| 46 | |
| 47 | case DO_MOVE: |
| 48 | return wxDragMove; |
| 49 | |
| 50 | default: |
| 51 | case DO_DEFAULT: |
| 52 | return wxDragNone; |
| 53 | } |
| 54 | } // end of ConvertDragEffectToResult |
| 55 | |
| 56 | static DWORD ConvertDragResultToEffect ( |
| 57 | wxDragResult eResult |
| 58 | ) |
| 59 | { |
| 60 | switch (eResult) |
| 61 | { |
| 62 | case wxDragCopy: |
| 63 | return DO_COPY; |
| 64 | |
| 65 | case wxDragLink: |
| 66 | return DO_LINK; |
| 67 | |
| 68 | case wxDragMove: |
| 69 | return DO_MOVE; |
| 70 | |
| 71 | default: |
| 72 | case wxDragNone: |
| 73 | return DO_DEFAULT; |
| 74 | } |
| 75 | } // end of ConvertDragResultToEffect |
| 76 | #endif |
| 77 | |
| 78 | class CIDropTarget |
| 79 | { |
| 80 | public: |
| 81 | CIDropTarget(wxDropTarget* pTarget) |
| 82 | { |
| 83 | m_pTarget = pTarget; |
| 84 | m_pDragItem = NULL; |
| 85 | } |
| 86 | virtual ~CIDropTarget() { } |
| 87 | |
| 88 | // |
| 89 | // Accessors for CDropTarget |
| 90 | // |
| 91 | void Free(void) { ::DrgFreeDraginfo(m_pDragInfo); } |
| 92 | PDRAGINFO GetDataSource(void) { return m_pDragInfo; } |
| 93 | void SetDataSource(PDRAGINFO pDragInfo) { m_pDragInfo = pDragInfo; } |
| 94 | void SetHWND(HWND hWnd) { m_hWnd = hWnd; } |
| 95 | |
| 96 | // |
| 97 | // CIDropTarget methods |
| 98 | // |
| 99 | bool DragLeave(void); |
| 100 | MRESULT DragOver(void); |
| 101 | MRESULT Drop(void); |
| 102 | |
| 103 | protected: |
| 104 | |
| 105 | PDRAGINFO m_pDragInfo; |
| 106 | PDRAGITEM m_pDragItem; // !NULL between DragEnter and DragLeave/Drop |
| 107 | wxDropTarget* m_pTarget; // the real target (we're just a proxy) |
| 108 | HWND m_hWnd; // window we're associated with |
| 109 | }; // end of CLASS CIDropTarget |
| 110 | |
| 111 | bool CIDropTarget::DragLeave() |
| 112 | { |
| 113 | // |
| 114 | // Remove the UI feedback |
| 115 | // |
| 116 | m_pTarget->OnLeave(); |
| 117 | |
| 118 | // |
| 119 | // Release the held object |
| 120 | // |
| 121 | Free(); |
| 122 | return true; |
| 123 | } // end of CIDropTarget::DragLeave |
| 124 | |
| 125 | MRESULT CIDropTarget::DragOver () |
| 126 | { |
| 127 | char zBuffer[128]; |
| 128 | ULONG ulBytes; |
| 129 | USHORT uOp = 0; |
| 130 | USHORT uIndicator; |
| 131 | ULONG ulItems; |
| 132 | ULONG i; |
| 133 | |
| 134 | ::DrgAccessDraginfo(m_pDragInfo); |
| 135 | switch(m_pDragInfo->usOperation) |
| 136 | { |
| 137 | case DO_UNKNOWN: |
| 138 | Free(); |
| 139 | return (MRFROM2SHORT(DOR_NODROPOP, 0)); |
| 140 | |
| 141 | case DO_DEFAULT: |
| 142 | m_pDragItem = ::DrgQueryDragitemPtr(m_pDragInfo, 0); |
| 143 | ulBytes = ::DrgQueryStrName( m_pDragItem->hstrContainerName |
| 144 | ,128 |
| 145 | ,zBuffer |
| 146 | ); |
| 147 | if (!ulBytes) |
| 148 | return (MRFROM2SHORT(DOR_NODROPOP, 0)); |
| 149 | else |
| 150 | uOp = DO_MOVE; |
| 151 | break; |
| 152 | |
| 153 | case DO_COPY: |
| 154 | case DO_MOVE: |
| 155 | uOp = m_pDragInfo->usOperation; |
| 156 | break; |
| 157 | } |
| 158 | uIndicator = DOR_DROP; |
| 159 | ulItems = (ULONG)::DrgQueryDragitemCount(m_pDragInfo); |
| 160 | for (i = 0; i < ulItems; i++) |
| 161 | { |
| 162 | m_pDragItem = ::DrgQueryDragitemPtr(m_pDragInfo, i); |
| 163 | if (((m_pDragItem->fsSupportedOps & DO_COPYABLE) && |
| 164 | (uOp == (USHORT)DO_COPY)) || |
| 165 | ((m_pDragItem->fsSupportedOps & DO_MOVEABLE) && |
| 166 | (uOp == (USHORT)DO_COPY))) |
| 167 | { |
| 168 | if (::DrgVerifyRMF(m_pDragItem, "DRM_OS2FILE", "DRF_UNKNOWN")) |
| 169 | uIndicator = (USHORT)DOR_DROP; |
| 170 | else |
| 171 | uIndicator = (USHORT)DOR_NEVERDROP; |
| 172 | } |
| 173 | } |
| 174 | Free(); |
| 175 | return (MRFROM2SHORT(uIndicator, uOp)); |
| 176 | } // end of CIDropTarget::DragOver |
| 177 | |
| 178 | // #pragma page "CIDropTarget::Drop" |
| 179 | ///////////////////////////////////////////////////////////////////////////// |
| 180 | // |
| 181 | // CIDropTarget::Drop |
| 182 | // |
| 183 | // Instructs the drop target to paste data that was just now dropped on it. |
| 184 | // |
| 185 | // PARAMETERS |
| 186 | // pIDataSource -- the data to paste |
| 187 | // dwKeyState -- kbd & mouse state |
| 188 | // pt -- mouse coordinates |
| 189 | // pdwEffect -- effect flag |
| 190 | // |
| 191 | // RETURN VALUE |
| 192 | // STDMETHODIMP S_OK |
| 193 | // |
| 194 | ///////////////////////////////////////////////////////////////////////////// |
| 195 | MRESULT CIDropTarget::Drop () |
| 196 | { |
| 197 | char zBuffer[128]; |
| 198 | ULONG ulBytes; |
| 199 | USHORT uOp = 0; |
| 200 | USHORT uIndicator; |
| 201 | ULONG ulItems; |
| 202 | ULONG i; |
| 203 | |
| 204 | ::DrgAccessDraginfo(m_pDragInfo); |
| 205 | switch(m_pDragInfo->usOperation) |
| 206 | { |
| 207 | case DO_UNKNOWN: |
| 208 | Free(); |
| 209 | return (MRFROM2SHORT(DOR_NODROPOP, 0)); |
| 210 | |
| 211 | case DO_DEFAULT: |
| 212 | m_pDragItem = ::DrgQueryDragitemPtr(m_pDragInfo, 0); |
| 213 | ulBytes = ::DrgQueryStrName( m_pDragItem->hstrContainerName |
| 214 | ,128 |
| 215 | ,zBuffer |
| 216 | ); |
| 217 | if (!ulBytes) |
| 218 | return (MRFROM2SHORT(DOR_NODROPOP, 0)); |
| 219 | else |
| 220 | uOp = DO_MOVE; |
| 221 | break; |
| 222 | |
| 223 | case DO_COPY: |
| 224 | case DO_MOVE: |
| 225 | uOp = m_pDragInfo->usOperation; |
| 226 | break; |
| 227 | } |
| 228 | uIndicator = DOR_DROP; |
| 229 | ulItems = (ULONG)::DrgQueryDragitemCount(m_pDragInfo); |
| 230 | for (i = 0; i < ulItems; i++) |
| 231 | { |
| 232 | m_pDragItem = ::DrgQueryDragitemPtr(m_pDragInfo, i); |
| 233 | if (((m_pDragItem->fsSupportedOps & DO_COPYABLE) && |
| 234 | (uOp == (USHORT)DO_COPY)) || |
| 235 | ((m_pDragItem->fsSupportedOps & DO_MOVEABLE) && |
| 236 | (uOp == (USHORT)DO_COPY))) |
| 237 | { |
| 238 | if (::DrgVerifyRMF(m_pDragItem, "DRM_OS2FILE", "DRF_UNKNOWN")) |
| 239 | uIndicator = (USHORT)DOR_DROP; |
| 240 | else |
| 241 | uIndicator = (USHORT)DOR_NEVERDROP; |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | // |
| 246 | // First ask the drop target if it wants data |
| 247 | // |
| 248 | if (m_pTarget->OnDrop( m_pDragInfo->xDrop |
| 249 | ,m_pDragInfo->yDrop |
| 250 | )) |
| 251 | { |
| 252 | wxDragResult eRc = wxDragNone; |
| 253 | |
| 254 | // |
| 255 | // And now it has the data |
| 256 | // |
| 257 | eRc = m_pTarget->OnData( m_pDragInfo->xDrop |
| 258 | ,m_pDragInfo->yDrop |
| 259 | ,eRc |
| 260 | ); |
| 261 | } |
| 262 | //else: OnDrop() returned false, no need to copy data |
| 263 | |
| 264 | // |
| 265 | // Release the held object |
| 266 | // |
| 267 | Free(); |
| 268 | return (MRFROM2SHORT(uIndicator, uOp)); |
| 269 | } // end of CIDropTarget::Drop |
| 270 | |
| 271 | // ---------------------------------------------------------------------------- |
| 272 | // wxDropTarget |
| 273 | // ---------------------------------------------------------------------------- |
| 274 | |
| 275 | wxDropTarget::wxDropTarget ( |
| 276 | wxDataObject* pDataObject |
| 277 | ) |
| 278 | { |
| 279 | m_dataObject = pDataObject; |
| 280 | m_pDropTarget = new CIDropTarget(this); |
| 281 | } // end of wxDropTarget::wxDropTarget |
| 282 | |
| 283 | wxDropTarget::~wxDropTarget() |
| 284 | { |
| 285 | Release(); |
| 286 | } // end of wxDropTarget::~wxDropTarget |
| 287 | |
| 288 | bool wxDropTarget::GetData () |
| 289 | { |
| 290 | wxDataFormat vFormat = GetSupportedFormat(m_pDropTarget->GetDataSource()); |
| 291 | |
| 292 | if (vFormat == wxDF_INVALID) |
| 293 | { |
| 294 | return false; |
| 295 | } |
| 296 | // |
| 297 | // Under OS/2 we already have the data via the attached DRAGITEM's |
| 298 | // |
| 299 | return true; |
| 300 | } // end of wxDropTarget::GetData |
| 301 | |
| 302 | wxDataFormat wxDropTarget::GetSupportedFormat ( |
| 303 | PDRAGINFO pDataSource |
| 304 | ) const |
| 305 | { |
| 306 | PDRAGITEM pDragItem; |
| 307 | wxDataFormat vFormat; |
| 308 | wxDataFormat* pFormats; |
| 309 | ULONG ulFormats = m_dataObject->GetFormatCount(wxDataObject::Set); |
| 310 | ULONG ulItems = (ULONG)::DrgQueryDragitemCount(pDataSource); |
| 311 | ULONG i; |
| 312 | ULONG n; |
| 313 | wxString sMechanism; |
| 314 | wxString sFormat; |
| 315 | bool bValid = false; |
| 316 | |
| 317 | pFormats = ulFormats == 1 ? &vFormat : new wxDataFormat[ulFormats]; |
| 318 | m_dataObject->GetAllFormats( pFormats |
| 319 | ,wxDataObject::Set |
| 320 | ); |
| 321 | |
| 322 | for (n = 0; n < ulFormats; n++) |
| 323 | { |
| 324 | switch(pFormats[n].GetType()) |
| 325 | { |
| 326 | case wxDF_TEXT: |
| 327 | case wxDF_FILENAME: |
| 328 | case wxDF_HTML: |
| 329 | sMechanism = _T("DRM_OS2FILE"); |
| 330 | sFormat = _T("DRF_TEXT"); |
| 331 | break; |
| 332 | |
| 333 | case wxDF_OEMTEXT: |
| 334 | sMechanism = _T("DRM_OS2FILE"); |
| 335 | sFormat = _T("DRF_OEMTEXT"); |
| 336 | break; |
| 337 | |
| 338 | case wxDF_BITMAP: |
| 339 | sMechanism = _T("DRM_OS2FILE"); |
| 340 | sFormat = _T("DRF_BITMAP"); |
| 341 | break; |
| 342 | |
| 343 | case wxDF_METAFILE: |
| 344 | case wxDF_ENHMETAFILE: |
| 345 | sMechanism = _T("DRM_OS2FILE"); |
| 346 | sFormat = _T("DRF_METAFILE"); |
| 347 | break; |
| 348 | |
| 349 | case wxDF_TIFF: |
| 350 | sMechanism = _T("DRM_OS2FILE"); |
| 351 | sFormat = _T("DRF_TIFF"); |
| 352 | break; |
| 353 | |
| 354 | case wxDF_SYLK: |
| 355 | sMechanism = _T("DRM_OS2FILE"); |
| 356 | sFormat = _T("DRF_SYLK"); |
| 357 | break; |
| 358 | |
| 359 | case wxDF_DIF: |
| 360 | sMechanism = _T("DRM_OS2FILE"); |
| 361 | sFormat = _T("DRF_DIF"); |
| 362 | break; |
| 363 | |
| 364 | case wxDF_DIB: |
| 365 | sMechanism = _T("DRM_OS2FILE"); |
| 366 | sFormat = _T("DRF_DIB"); |
| 367 | break; |
| 368 | |
| 369 | case wxDF_PALETTE: |
| 370 | case wxDF_PENDATA: |
| 371 | case wxDF_RIFF: |
| 372 | case wxDF_WAVE: |
| 373 | case wxDF_UNICODETEXT: |
| 374 | case wxDF_LOCALE: |
| 375 | sMechanism = _T("DRM_OS2FILE"); |
| 376 | sFormat = _T("DRF_UNKNOWN"); |
| 377 | break; |
| 378 | |
| 379 | case wxDF_PRIVATE: |
| 380 | sMechanism = _T("DRM_OBJECT"); |
| 381 | sFormat = _T("DRF_UNKNOWN"); |
| 382 | break; |
| 383 | } |
| 384 | for (i = 0; i < ulItems; i++) |
| 385 | { |
| 386 | pDragItem = ::DrgQueryDragitemPtr(pDataSource, i); |
| 387 | if (::DrgVerifyRMF(pDragItem, (PSZ)sMechanism.c_str(), (PSZ)sFormat.c_str())) |
| 388 | { |
| 389 | bValid = true; |
| 390 | break; |
| 391 | } |
| 392 | } |
| 393 | if (bValid) |
| 394 | { |
| 395 | vFormat = pFormats[n]; |
| 396 | break; |
| 397 | } |
| 398 | } |
| 399 | if (pFormats != &vFormat) |
| 400 | { |
| 401 | // |
| 402 | // Free memory if we allocated it |
| 403 | // |
| 404 | delete [] pFormats; |
| 405 | } |
| 406 | return (n < ulFormats ? vFormat : wxFormatInvalid); |
| 407 | } // end of wxDropTarget::GetSupportedFormat |
| 408 | |
| 409 | bool wxDropTarget::IsAcceptedData ( |
| 410 | PDRAGINFO pDataSource |
| 411 | ) const |
| 412 | { |
| 413 | return (GetSupportedFormat(pDataSource) != wxDF_INVALID); |
| 414 | } // end of wxDropTarget::IsAcceptedData |
| 415 | |
| 416 | void wxDropTarget::Release () |
| 417 | { |
| 418 | m_pDropTarget->Free(); |
| 419 | } // end of wxDropTarget::Release |
| 420 | |
| 421 | |
| 422 | wxDragResult wxDropTarget::OnData ( |
| 423 | wxCoord WXUNUSED(vX) |
| 424 | , wxCoord WXUNUSED(y) |
| 425 | , wxDragResult WXUNUSED(vResult) |
| 426 | ) |
| 427 | { |
| 428 | return (wxDragResult)0; |
| 429 | } // end of wxDropTarget::OnData |
| 430 | |
| 431 | bool wxDropTarget::OnDrop ( |
| 432 | wxCoord WXUNUSED(x) |
| 433 | , wxCoord WXUNUSED(y) |
| 434 | ) |
| 435 | { |
| 436 | return true; |
| 437 | } // end of wxDropTarget::OnDrop |
| 438 | |
| 439 | //------------------------------------------------------------------------- |
| 440 | // wxDropSource |
| 441 | //------------------------------------------------------------------------- |
| 442 | |
| 443 | wxDropSource::wxDropSource ( wxWindow* WXUNUSED(pWin) ) |
| 444 | { |
| 445 | Init(); |
| 446 | } // end of wxDropSource::wxDropSource |
| 447 | |
| 448 | wxDropSource::wxDropSource ( wxDataObject& rData, wxWindow* WXUNUSED(pWin) ) |
| 449 | { |
| 450 | Init(); |
| 451 | SetData(rData); |
| 452 | } // end of wxDropSource::wxDropSource |
| 453 | |
| 454 | wxDropSource::~wxDropSource () |
| 455 | { |
| 456 | ::DrgFreeDraginfo(m_pDragInfo); |
| 457 | } // end of wxDropSource::~wxDropSource |
| 458 | |
| 459 | wxDragResult wxDropSource::DoDragDrop ( |
| 460 | int WXUNUSED(flags) |
| 461 | ) |
| 462 | { |
| 463 | // |
| 464 | // Need to specify drag items in derived classes that know their data types |
| 465 | // before calling DoDragDrop |
| 466 | // |
| 467 | if (::DrgDrag( m_pWindow->GetHWND() |
| 468 | ,m_pDragInfo |
| 469 | ,&m_vDragImage |
| 470 | ,m_ulItems |
| 471 | ,VK_BUTTON2 |
| 472 | ,NULL |
| 473 | ) != NULLHANDLE) |
| 474 | { |
| 475 | switch(m_pDragInfo->usOperation) |
| 476 | { |
| 477 | case DO_COPY: |
| 478 | return wxDragCopy; |
| 479 | |
| 480 | case DO_MOVE: |
| 481 | return wxDragCopy; |
| 482 | |
| 483 | case DO_LINK: |
| 484 | return wxDragCopy; |
| 485 | |
| 486 | default: |
| 487 | return wxDragNone; |
| 488 | } |
| 489 | } |
| 490 | return wxDragError; |
| 491 | } // end of wxDropSource::DoDragDrop |
| 492 | |
| 493 | bool wxDropSource::GiveFeedback ( |
| 494 | wxDragResult eEffect |
| 495 | ) |
| 496 | { |
| 497 | const wxCursor& rCursor = GetCursor(eEffect); |
| 498 | |
| 499 | if (rCursor.Ok()) |
| 500 | { |
| 501 | ::WinSetPointer(HWND_DESKTOP, (HPOINTER)rCursor.GetHCURSOR()); |
| 502 | m_vDragImage.hImage = (LHANDLE)rCursor.GetHCURSOR(); |
| 503 | switch(eEffect) |
| 504 | { |
| 505 | case wxDragCopy: |
| 506 | m_pDragInfo->usOperation = DO_COPY; |
| 507 | break; |
| 508 | |
| 509 | case wxDragMove: |
| 510 | m_pDragInfo->usOperation = DO_MOVE; |
| 511 | break; |
| 512 | |
| 513 | case wxDragLink: |
| 514 | m_pDragInfo->usOperation = DO_LINK; |
| 515 | break; |
| 516 | |
| 517 | case wxDragNone: |
| 518 | case wxDragCancel: |
| 519 | case wxDragError: |
| 520 | break; |
| 521 | } |
| 522 | return true; |
| 523 | } |
| 524 | else |
| 525 | { |
| 526 | return false; |
| 527 | } |
| 528 | } // end of GuiAdvDnd_CDropSource::GiveFeedback |
| 529 | |
| 530 | void wxDropSource::Init () |
| 531 | { |
| 532 | m_pDragInfo = ::DrgAllocDraginfo(m_ulItems); |
| 533 | |
| 534 | // |
| 535 | // Set a default drag image struct with what we know so far |
| 536 | // |
| 537 | m_vDragImage.cb = sizeof(DRAGIMAGE); |
| 538 | m_vDragImage.cptl = 0; // non-zero if fl is DRG_POLYGON |
| 539 | m_vDragImage.hImage = 0; // Set in GiveFeedback |
| 540 | m_vDragImage.sizlStretch.cx = 20L; |
| 541 | m_vDragImage.sizlStretch.cy = 20L; |
| 542 | m_vDragImage.fl = DRG_ICON | DRG_STRETCH; |
| 543 | m_vDragImage.cxOffset = 0; |
| 544 | m_vDragImage.cyOffset = 0; |
| 545 | |
| 546 | HSTR hStrType = ::DrgAddStrHandle(DRT_UNKNOWN); |
| 547 | HSTR hStrRMF; |
| 548 | HSTR hStrContainer; |
| 549 | wxChar zFormats[128]; |
| 550 | wxChar zContainer[128]; |
| 551 | USHORT uSize = (USHORT)(GetDataObject()->GetDataSize(GetDataObject()->GetPreferredFormat()) + 1); |
| 552 | wxChar* pzBuffer = new wxChar[uSize]; |
| 553 | |
| 554 | memset(pzBuffer, '\0', GetDataObject()->GetDataSize(GetDataObject()->GetPreferredFormat())); |
| 555 | pzBuffer[GetDataObject()->GetDataSize(GetDataObject()->GetPreferredFormat())] = '\0'; |
| 556 | GetDataObject()->GetDataHere( GetDataObject()->GetPreferredFormat() |
| 557 | ,(void*)pzBuffer |
| 558 | ); |
| 559 | |
| 560 | wxStrcpy(zFormats, _T("<DRM_OS2FILE, DRF_UNKNOWN>")); |
| 561 | wxStrcpy(zContainer, GetDataObject()->GetPreferredFormat().GetId()); |
| 562 | |
| 563 | hStrRMF = ::DrgAddStrHandle((PSZ)zFormats); |
| 564 | hStrContainer = ::DrgAddStrHandle((PSZ)zContainer); |
| 565 | |
| 566 | m_pDragItem = new DRAGITEM[m_ulItems]; |
| 567 | for (ULONG i = 0; i < m_ulItems; i++) |
| 568 | { |
| 569 | m_pDragItem[i].hwndItem = m_pWindow->GetHWND(); |
| 570 | m_pDragItem[i].hstrType = hStrType; |
| 571 | m_pDragItem[i].hstrRMF = hStrRMF; |
| 572 | m_pDragItem[i].hstrContainerName = hStrContainer; |
| 573 | m_pDragItem[i].fsControl = 0; |
| 574 | m_pDragItem[i].fsSupportedOps = DO_COPYABLE | DO_MOVEABLE | DO_LINKABLE; |
| 575 | m_pDragItem[i].hstrSourceName = ::DrgAddStrHandle((PSZ)pzBuffer); |
| 576 | m_pDragItem[i].hstrTargetName = m_pDragItem[i].hstrSourceName; |
| 577 | m_pDragItem[i].ulItemID = i; |
| 578 | ::DrgSetDragitem( m_pDragInfo |
| 579 | ,&m_pDragItem[i] |
| 580 | ,sizeof(DRAGITEM) |
| 581 | ,0 |
| 582 | ); |
| 583 | } |
| 584 | delete [] pzBuffer; |
| 585 | delete [] m_pDragItem; |
| 586 | } // end of wxDropSource::Init |
| 587 | |
| 588 | #endif //wxUSE_DRAG_AND_DROP |