src/os2/treectrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/treectrl.cpp
   3 // Purpose:     wxTreeCtrl
   4 // Author:      Julian Smart
   5 // Modified by: Vadim Zeitlin to be less MSW-specific on 10.10.98
   6 // Created:     1997
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "treectrl.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_TREECTRL
  32
  33 #include "wx/os2/private.h"
  34
  35 #include "wx/app.h"
  36 #include "wx/log.h"
  37 #include "wx/dynarray.h"
  38 #include "wx/imaglist.h"
  39 #include "wx/settings.h"
  40 #include "wx/os2/treectrl.h"
  41
  42 // a macro to hide the ugliness of nested casts
  43 #define HITEM(item)     (HTREEITEM)(WXHTREEITEM)(item)
  44
  45 // the native control doesn't support multiple selections under MSW and we
  46 // have 2 ways to emulate them: either using TVS_CHECKBOXES style and let
  47 // checkboxes be the selection status (checked == selected) or by really
  48 // emulating everything, i.e. intercepting mouse and key events &c. The first
  49 // approach is much easier but doesn't work with comctl32.dll < 4.71 and also
  50 // looks quite ugly.
  51 #define wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE 0
  52
  53 // ----------------------------------------------------------------------------
  54 // private functions
  55 // ----------------------------------------------------------------------------
  56
  57 // ----------------------------------------------------------------------------
  58 // private classes
  59 // ----------------------------------------------------------------------------
  60
  61 typedef struct _MYRECORD
  62 {
  63     RECORDCORE                      m_vRecord;
  64     ULONG                           m_ulItemId;
  65     ULONG                           m_ulUserData;
  66 } MYRECORD, *PMYRECORD;
  67
  68 struct wxTreeViewItem : public MYRECORD
  69 {
  70     wxTreeViewItem(const wxTreeItemId& rItem)
  71     {
  72         m_ulItemId = (ULONG)rItem.m_pItem;
  73     }
  74 }; // end of STRUCT wxTreeViewItem
  75
  76 class wxTreeItemInternalData
  77 {
  78 public:
  79
  80     wxTreeItemInternalData() {}
  81     ~wxTreeItemInternalData()
  82     {
  83         if(m_pAttr)
  84         {
  85             delete m_pAttr;
  86             m_pAttr = NULL;
  87         }
  88     }
  89
  90     wxTreeItemAttr*                 m_pAttr;
  91     WXLPARAM                        m_lParam; // user data
  92 #if defined(C_CM_COS232)
  93     PMYRECORD                       m_pMyRecord; // so we can set the m_ulUserData to 0 when this is deleted
  94 #endif
  95 }; // end of CLASS wxTreeItemInternalData
  96
  97 void BumpTreeRecordIds (
  98   HWND                              hWnd
  99 , PMYRECORD                         pRecord
 100 )
 101 {
 102     while(pRecord)
 103     {
 104         pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( hWnd
 105                                                       ,CM_QUERYRECORD
 106                                                       ,MPFROMP(pRecord)
 107                                                       ,MPFROM2SHORT(CMA_NEXT, CMA_ITEMORDER)
 108                                                      ));
 109         if (pRecord)
 110             pRecord->m_ulItemId++;
 111     }
 112 } // end of BumpTreeRecordIds
 113
 114 PMYRECORD FindOS2TreeRecordByID (
 115   HWND                              hWnd
 116 , long                              lItemId
 117 )
 118 {
 119     PMYRECORD                       pRecord = NULL;
 120     CNRINFO                         vCnrInfo;
 121     unsigned long                   i;
 122
 123     if (!::WinSendMsg( hWnd
 124                       ,CM_QUERYCNRINFO
 125                       ,MPFROMP(&vCnrInfo)
 126                       ,(MPARAM)(USHORT)sizeof(CNRINFO)
 127                      ))
 128         return NULL;
 129     for (i = 0; i < vCnrInfo.cRecords; i++)
 130     {
 131         if (i == 0)
 132             pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( hWnd
 133                                                           ,CM_QUERYRECORD
 134                                                           ,MPFROMP(pRecord)
 135                                                           ,MPFROM2SHORT(CMA_FIRST, CMA_ITEMORDER)
 136                                                          ));
 137         else
 138             pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( hWnd
 139                                                           ,CM_QUERYRECORD
 140                                                           ,MPFROMP(pRecord)
 141                                                           ,MPFROM2SHORT(CMA_NEXT, CMA_ITEMORDER)
 142                                                          ));
 143         if (!pRecord)
 144             return NULL;
 145         if (pRecord->m_ulItemId == (ULONG)lItemId)
 146             break;
 147     }
 148     return pRecord;
 149 } // end of FindOS2ListRecordByID
 150
 151
 152
 153 class wxTreeTraversal
 154 {
 155 public:
 156     wxTreeTraversal(const wxTreeCtrl* pTree)
 157     {
 158         m_pTree = pTree;
 159     }
 160
 161     //
 162     // Do traverse the tree: visit all items (recursively by default) under the
 163     // given one; return true if all items were traversed or false if the
 164     // traversal was aborted because OnVisit returned false
 165     //
 166     bool DoTraverse( const wxTreeItemId& rRoot
 167                     ,bool                bRecursively = true
 168                    );
 169
 170     //
 171     // Override this function to do whatever is needed for each item, return
 172     // false to stop traversing
 173     //
 174     virtual bool OnVisit(const wxTreeItemId& rItem) = 0;
 175
 176 protected:
 177     const wxTreeCtrl* GetTree(void) const { return m_pTree; }
 178
 179 private:
 180     bool Traverse( const wxTreeItemId& rRoot
 181                   ,bool                bRecursively
 182                  );
 183
 184     const wxTreeCtrl*               m_pTree;
 185     DECLARE_NO_COPY_CLASS(wxTreeTraversal)
 186 }; // end of CLASS wxTreeTraversal
 187
 188 //
 189 // Internal class for getting the selected items
 190 //
 191 class TraverseSelections : public wxTreeTraversal
 192 {
 193 public:
 194     TraverseSelections( const wxTreeCtrl*   pTree
 195                        ,wxArrayTreeItemIds& raSelections
 196                       )
 197                       : wxTreeTraversal(pTree)
 198                       , m_aSelections(raSelections)
 199     {
 200         m_aSelections.Empty();
 201         DoTraverse(pTree->GetRootItem());
 202     }
 203
 204     virtual bool OnVisit(const wxTreeItemId& rItem)
 205     {
 206         //
 207         // Can't visit a virtual node.
 208         //
 209         if ((GetTree()->GetRootItem() == rItem) && (GetTree()->GetWindowStyle() & wxTR_HIDE_ROOT))
 210         {
 211             return true;
 212         }
 213         PMYRECORD                   pRecord = FindOS2TreeRecordByID( GetTree()->GetHWND()
 214                                                                     ,rItem.m_pItem
 215                                                                    );
 216         if (pRecord->m_vRecord.flRecordAttr & CRA_SELECTED)
 217         {
 218             m_aSelections.Add(rItem);
 219         }
 220         return true;
 221     }
 222
 223     size_t GetCount(void) const { return m_aSelections.GetCount(); }
 224
 225 private:
 226     wxArrayTreeItemIds&             m_aSelections;
 227 }; // end of CLASS TraverseSelections
 228
 229 //
 230 // Internal class for counting tree items
 231 //
 232 class TraverseCounter : public wxTreeTraversal
 233 {
 234 public:
 235     TraverseCounter( const wxTreeCtrl*   pTree
 236                     ,const wxTreeItemId& rRoot
 237                     ,bool                bRecursively
 238                    )
 239                    : wxTreeTraversal(pTree)
 240     {
 241         m_nCount = 0;
 242         DoTraverse(rRoot, bRecursively);
 243     }
 244
 245     virtual bool OnVisit(const wxTreeItemId& WXUNUSED(rItem))
 246     {
 247         m_nCount++;
 248         return true;
 249     }
 250
 251     size_t GetCount(void) const { return m_nCount; }
 252
 253 private:
 254     size_t                          m_nCount;
 255 }; // end of CLASS TraverseCounter
 256
 257 // ----------------------------------------------------------------------------
 258 // wxWin macros
 259 // ----------------------------------------------------------------------------
 260
 261 IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
 262
 263 // ----------------------------------------------------------------------------
 264 // constants
 265 // ----------------------------------------------------------------------------
 266
 267 // indices in gs_expandEvents table below
 268 enum
 269 {
 270     IDX_COLLAPSE,
 271     IDX_EXPAND,
 272     IDX_WHAT_MAX
 273 };
 274
 275 enum
 276 {
 277     IDX_DONE,
 278     IDX_DOING,
 279     IDX_HOW_MAX
 280 };
 281
 282 // handy table for sending events - it has to be initialized during run-time
 283 // now so can't be const any more
 284 static /* const */ wxEventType gs_expandEvents[IDX_WHAT_MAX][IDX_HOW_MAX];
 285
 286 /*
 287    but logically it's a const table with the following entries:
 288 =
 289 {
 290     { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxEVT_COMMAND_TREE_ITEM_COLLAPSING },
 291     { wxEVT_COMMAND_TREE_ITEM_EXPANDED,  wxEVT_COMMAND_TREE_ITEM_EXPANDING  }
 292 };
 293 */
 294
 295 // ============================================================================
 296 // implementation
 297 // ============================================================================
 298
 299 // ----------------------------------------------------------------------------
 300 // tree traversal
 301 // ----------------------------------------------------------------------------
 302
 303 bool wxTreeTraversal::DoTraverse (
 304   const wxTreeItemId&               rRoot
 305 , bool                              bRecursively
 306 )
 307 {
 308     if (!OnVisit(rRoot))
 309         return false;
 310
 311     return Traverse( rRoot
 312                     ,bRecursively
 313                    );
 314 } // end of wxTreeTraversal::DoTraverse
 315
 316 bool wxTreeTraversal::Traverse (
 317   const wxTreeItemId&               rRoot
 318 , bool                              bRecursively
 319 )
 320 {
 321     long                            lCookie;
 322     wxTreeItemId                    vChild = m_pTree->GetFirstChild( rRoot
 323                                                                     ,lCookie
 324                                                                    );
 325     while (vChild.IsOk())
 326     {
 327         //
 328         // Depth first traversal
 329         //
 330         if (bRecursively && !Traverse(vChild, true))
 331             return false;
 332         if (!OnVisit(vChild))
 333             return false;
 334         vChild = m_pTree->GetNextChild( rRoot
 335                                        ,lCookie
 336                                       );
 337     }
 338     return true;
 339 } // end of wxTreeTraversal::Traverse
 340
 341 // ----------------------------------------------------------------------------
 342 // construction and destruction
 343 // ----------------------------------------------------------------------------
 344
 345 void wxTreeCtrl::Init ()
 346 {
 347     m_pImageListNormal     = NULL;
 348     m_pImageListState      = NULL;
 349     m_bOwnsImageListNormal = false;
 350     m_bOwnsImageListState  = false;
 351     m_bHasAnyAttr          = false;
 352     m_pDragImage           = NULL;
 353
 354     //
 355     // Initialize the global array of events now as it can't be done statically
 356     // with the wxEVT_XXX values being allocated during run-time only
 357     //
 358     gs_expandEvents[IDX_COLLAPSE][IDX_DONE]  = wxEVT_COMMAND_TREE_ITEM_COLLAPSED;
 359     gs_expandEvents[IDX_COLLAPSE][IDX_DOING] = wxEVT_COMMAND_TREE_ITEM_COLLAPSING;
 360     gs_expandEvents[IDX_EXPAND][IDX_DONE]    = wxEVT_COMMAND_TREE_ITEM_EXPANDED;
 361     gs_expandEvents[IDX_EXPAND][IDX_DOING]   = wxEVT_COMMAND_TREE_ITEM_EXPANDING;
 362 } // end of wxTreeCtrl::Init
 363
 364 bool wxTreeCtrl::Create (
 365   wxWindow*                         pParent
 366 , wxWindowID                        vId
 367 , const wxPoint&                    rPos
 368 , const wxSize&                     rSize
 369 , long                              lStyle
 370 , const wxValidator&                rValidator
 371 , const wxString&                   rsName
 372 )
 373 {
 374     CNRINFO                         vCnrInfo;
 375
 376     Init();
 377     if (!CreateControl( pParent
 378                        ,vId
 379                        ,rPos
 380                        ,rSize
 381                        ,lStyle
 382                        ,rValidator
 383                        ,rsName
 384                       ))
 385         return false;
 386
 387     DWORD                           dwStyle = WS_VISIBLE | WS_TABSTOP;
 388
 389     if (m_windowStyle & wxCLIP_SIBLINGS)
 390         dwStyle |= WS_CLIPSIBLINGS;
 391
 392     // Create the tree control.
 393     if (!OS2CreateControl( "CONTAINER"
 394                           ,dwStyle
 395                          ))
 396         return false;
 397
 398     //
 399     // Now set the display attributes to show a TREE/ICON view of the
 400     // OS/2 Container
 401     //
 402     if (!::WinSendMsg( GetHWND()
 403                       ,CM_QUERYCNRINFO
 404                       ,MPFROMP(&vCnrInfo)
 405                       ,(MPARAM)(USHORT)sizeof(CNRINFO)
 406                      ))
 407
 408     vCnrInfo.flWindowAttr = CV_TREE|CV_ICON;
 409     vCnrInfo.flWindowAttr |= CA_DRAWBITMAP;
 410     if (m_windowStyle & wxTR_NO_LINES)
 411         vCnrInfo.flWindowAttr |= CA_TREELINE;
 412
 413     ::WinSendMsg( GetHWND()
 414                  ,CM_SETCNRINFO
 415                  ,MPFROMP(&vCnrInfo)
 416                  ,(MPARAM)CMA_FLWINDOWATTR
 417                 );
 418
 419     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 420     SetForegroundColour(wxWindow::GetParent()->GetForegroundColour());
 421     SetFont(*wxSMALL_FONT);
 422     SetXComp(0);
 423     SetYComp(0);
 424     SetSize( rPos.x
 425             ,rPos.y
 426             ,rSize.x
 427             ,rSize.y
 428            );
 429     return true;
 430 } // end of wxTreeCtrl::Create
 431
 432 wxTreeCtrl::~wxTreeCtrl ()
 433 {
 434     //
 435     // Delete any attributes
 436     //
 437     if (m_bHasAnyAttr)
 438     {
 439         for (wxNode* pNode = m_vAttrs.Next(); pNode; pNode = m_vAttrs.Next())
 440         {
 441             delete (wxTreeItemAttr *)pNode->Data();
 442         }
 443         m_bHasAnyAttr = false;
 444     }
 445     DeleteTextCtrl();
 446
 447     //
 448     // Delete user data to prevent memory leaks
 449     // also deletes hidden root node storage.
 450     //
 451     DeleteAllItems();
 452     if (m_bOwnsImageListNormal)
 453         delete m_pImageListNormal;
 454     if (m_bOwnsImageListState)
 455         delete m_pImageListState;
 456 } // end of wxTreeCtrl::~wxTreeCtrl
 457
 458 // ----------------------------------------------------------------------------
 459 // accessors
 460 // ----------------------------------------------------------------------------
 461
 462 //
 463 // simple wrappers which add error checking in debug mode.  These methods
 464 // assume the items are properly filled out already.  If not, you get errors
 465 //
 466 bool wxTreeCtrl::DoGetItem (
 467   wxTreeViewItem*                   pTvItem
 468 ) const
 469 {
 470     PMYRECORD                       pRecord = FindOS2TreeRecordByID( GetHWND()
 471                                                                     ,pTvItem->m_ulItemId
 472                                                                    );
 473
 474     if (!pRecord)
 475     {
 476         wxLogLastError(wxT("Item not obtained"));
 477         return false;
 478     }
 479     return true;
 480 } // end of wxTreeCtrl::DoGetItem
 481
 482 void wxTreeCtrl::DoSetItem (
 483   wxTreeViewItem*                   pTvItem
 484 )
 485 {
 486     //
 487     // Just invalidate the record to redisplay it
 488     //
 489     if (!::WinSendMsg( GetHWND()
 490                       ,CM_INVALIDATERECORD
 491                       ,MPFROMP(pTvItem)
 492                       ,MPFROM2SHORT(1, CMA_ERASE | CMA_REPOSITION | CMA_TEXTCHANGED)
 493                      ));
 494     {
 495         wxLogLastError(wxT("CM_INVALIDATERECORD"));
 496     }
 497 } // end of wxTreeCtrl::DoSetItem
 498
 499 size_t wxTreeCtrl::GetCount () const
 500 {
 501     CNRINFO                         vCnrInfo;
 502
 503     ::WinSendMsg( GetHWND()
 504                  ,CM_QUERYCNRINFO
 505                  ,MPFROMP(&vCnrInfo)
 506                  ,(MPARAM)(USHORT)sizeof(CNRINFO)
 507                 );
 508     return (size_t)vCnrInfo.cRecords;
 509 } // end of wxTreeCtrl::GetCount
 510
 511 unsigned int wxTreeCtrl::GetIndent () const
 512 {
 513     CNRINFO                         vCnrInfo;
 514
 515     ::WinSendMsg( GetHWND()
 516                  ,CM_QUERYCNRINFO
 517                  ,MPFROMP(&vCnrInfo)
 518                  ,(MPARAM)(USHORT)sizeof(CNRINFO)
 519                 );
 520     return (unsigned int)vCnrInfo.cxTreeIndent;
 521 } // end of wxTreeCtrl::GetIndent
 522
 523 void wxTreeCtrl::SetIndent (
 524   unsigned int                  uIndent
 525 )
 526 {
 527     CNRINFO                         vCnrInfo;
 528
 529     ::WinSendMsg( GetHWND()
 530                  ,CM_QUERYCNRINFO
 531                  ,MPFROMP(&vCnrInfo)
 532                  ,(MPARAM)(USHORT)sizeof(CNRINFO)
 533                 );
 534     vCnrInfo.cxTreeIndent = (LONG)uIndent;
 535     ::WinSendMsg( GetHWND()
 536                  ,CM_SETCNRINFO
 537                  ,MPFROMP(&vCnrInfo)
 538                  ,(MPARAM)CMA_CXTREEINDENT
 539                 );
 540 } // end of wxTreeCtrl::SetIndent
 541
 542 wxImageList* wxTreeCtrl::GetImageList () const
 543 {
 544     return m_pImageListNormal;
 545 } // end of wxTreeCtrl::GetImageList
 546
 547 #if WXWIN_COMPATIBILITY_2_4
 548
 549 wxImageList* wxTreeCtrl::GetImageList(int nVal) const
 550 {
 551     return GetImageList();
 552 }
 553
 554 void wxTreeCtrl::SetImageList(wxImageList* pImageList, int nVal)
 555 {
 556     SetImageList(pImageList);
 557 }
 558
 559 int wxTreeCtrl::GetItemSelectedImage(const wxTreeItemId& rItem) const
 560 {
 561     return GetItemImage(rItem, wxTreeItemIcon_Selected);
 562 }
 563
 564 void wxTreeCtrl::SetItemSelectedImage(const wxTreeItemId& rItem, int nImage)
 565 {
 566     SetItemImage(rItem, nImage, wxTreeItemIcon_Selected);
 567 }
 568
 569 #endif // WXWIN_COMPATIBILITY_2_4
 570
 571 wxImageList* wxTreeCtrl::GetStateImageList () const
 572 {
 573     return m_pImageListNormal;
 574 } // end of wxTreeCtrl::GetStateImageList
 575
 576 //
 577 // The SETS of imagelists really do nothing under OS2 as a RECORDCORE
 578 // struct has the icon imbedded in it that it uses for the icon being
 579 // displayed via the TREEITEMDESC member.  Provided for interface
 580 // compatibility only
 581 //
 582 void wxTreeCtrl::SetAnyImageList (
 583   wxImageList*                      WXUNUSED(pImageList)
 584 , int                               WXUNUSED(nWhich)
 585 )
 586 {
 587 } // end of wxTreeCtrl::SetAnyImageList
 588
 589 void wxTreeCtrl::SetImageList (
 590   wxImageList*                      WXUNUSED(pImageList)
 591 )
 592 {
 593     if (m_bOwnsImageListNormal)
 594         delete m_pImageListNormal;
 595     m_bOwnsImageListNormal = false;
 596 } // end of wxTreeCtrl::SetImageList
 597
 598 void wxTreeCtrl::SetStateImageList (
 599   wxImageList*                      WXUNUSED(pImageList)
 600 )
 601 {
 602     if (m_bOwnsImageListState)
 603         delete m_pImageListState;
 604     m_bOwnsImageListState = false;
 605 } // end of wxTreeCtrl::SetStateImageList
 606
 607 void wxTreeCtrl::AssignImageList (
 608   wxImageList*                      WXUNUSED(pImageList)
 609 )
 610 {
 611     m_bOwnsImageListNormal = true;
 612 } // end of wxTreeCtrl::AssignImageList
 613
 614 void wxTreeCtrl::AssignStateImageList (
 615   wxImageList*                      WXUNUSED(pImageList)
 616 )
 617 {
 618     m_bOwnsImageListState = true;
 619 } // end of wxTreeCtrl::AssignStateImageList
 620
 621 size_t wxTreeCtrl::GetChildrenCount (
 622   const wxTreeItemId&               rItem
 623 , bool                              bRecursively
 624 ) const
 625 {
 626     TraverseCounter                 vCounter( this
 627                                              ,rItem
 628                                              ,bRecursively
 629                                             );
 630     return vCounter.GetCount() - 1;
 631 } // end of wxTreeCtrl::GetChildrenCount
 632
 633 // ----------------------------------------------------------------------------
 634 // control colours
 635 // ----------------------------------------------------------------------------
 636
 637 bool wxTreeCtrl::SetBackgroundColour (
 638   const wxColour&                   rColour
 639 )
 640 {
 641     ULONG                           ulColor = wxColourToRGB(rColour);
 642
 643     if ( !wxWindowBase::SetBackgroundColour(rColour) )
 644         return false;
 645     ::WinSetPresParam( GetHWND()
 646                       ,PP_BACKGROUNDCOLOR
 647                       ,sizeof(ULONG)
 648                       ,&ulColor
 649                      );
 650     return true;
 651 } // end of wxTreeCtrl::SetBackgroundColour
 652
 653 bool wxTreeCtrl::SetForegroundColour (
 654   const wxColour&                   rColour
 655 )
 656 {
 657     ULONG                           ulColor = wxColourToRGB(rColour);
 658
 659     if (!wxWindowBase::SetForegroundColour(rColour))
 660         return false;
 661     ::WinSetPresParam( GetHWND()
 662                       ,PP_FOREGROUNDCOLOR
 663                       ,sizeof(ULONG)
 664                       ,&ulColor
 665                      );
 666     return true;
 667 } // end of wxTreeCtrl::SetForegroundColour
 668
 669 // ----------------------------------------------------------------------------
 670 // Item access
 671 // ----------------------------------------------------------------------------
 672
 673 wxString wxTreeCtrl::GetItemText (
 674   const wxTreeItemId&               rItem
 675 ) const
 676 {
 677     wxChar                          zBuf[512];  // the size is arbitrary...
 678     wxTreeViewItem                  vTvItem(rItem);
 679
 680     if (!DoGetItem(&vTvItem))
 681     {
 682         //
 683         // Don't return some garbage which was on stack, but an empty string
 684         //
 685         zBuf[0] = wxT('\0');
 686     }
 687     else
 688         strcpy(zBuf, vTvItem.m_vRecord.pszTree);
 689     return wxString(zBuf);
 690 } // end of wxTreeCtrl::GetItemText
 691
 692 void wxTreeCtrl::SetItemText (
 693   const wxTreeItemId&               rItem
 694 , const wxString&                   rsText
 695 )
 696 {
 697     wxTreeViewItem                  vTvItem(rItem);
 698
 699     vTvItem.m_vRecord.pszTree = (wxChar *)rsText.c_str();  // conversion is ok
 700     DoSetItem(&vTvItem);
 701 } // end of wxTreeCtrl::SetItemText
 702
 703 //
 704 // These functions under OS/2 PM are not needed.  OS/2 containers in tree view
 705 // provide for storing a custom expanded and collapsed icons and selected
 706 // and non selected icons, natively.  For instance, by default, a disk display
 707 // will display a tree list of folder icons with "+" icons (collapsed) beside
 708 // those folder which contain child members.  Double clicking a folder changes
 709 // the closed folder icon to an open folder icon with hatched selection
 710 // highlighting indicating an ICON view container of the folder is open
 711 // elsewhere on the desktop.  So the below is not really needed, but we will
 712 // simply return the appropriate icon requested out of OS/2's native PM
 713 // data structures.
 714 //
 715 int wxTreeCtrl::DoGetItemImageFromData (
 716   const wxTreeItemId&               WXUNUSED(rItem)
 717 , wxTreeItemIcon                    nWhich
 718 ) const
 719 {
 720     //
 721     // Image handles stored in CNRINFO.
 722     //
 723     CNRINFO                         vCnrInfo;
 724
 725     ::WinSendMsg( GetHWND()
 726                  ,CM_QUERYCNRINFO
 727                  ,MPFROMP(&vCnrInfo)
 728                  ,(MPARAM)(USHORT)sizeof(CNRINFO)
 729                 );
 730
 731     //
 732     // We really only have two to chose from.  If not custom (set in CNRINFO
 733     // then return the handle to system bitmap).  OS/2 automatically provides
 734     // in_use and selected bitmaps/icons
 735     //
 736     switch(nWhich)
 737     {
 738         case wxTreeItemIcon_Normal:
 739             if (vCnrInfo.hbmCollapsed == NULLHANDLE)
 740                 return (int)::WinGetSysBitmap(HWND_DESKTOP, SBMP_TREEPLUS);
 741             return vCnrInfo.hbmCollapsed;
 742
 743
 744         case wxTreeItemIcon_Expanded:
 745             if (vCnrInfo.hbmExpanded == NULLHANDLE)
 746                 return (int)::WinGetSysBitmap(HWND_DESKTOP, SBMP_TREEMINUS);
 747             return vCnrInfo.hbmExpanded;
 748
 749         default:
 750             return vCnrInfo.hbmCollapsed;
 751     }
 752 }
 753
 754 void wxTreeCtrl::DoSetItemImageFromData (
 755   const wxTreeItemId&               WXUNUSED(rItem)
 756 , int                               nImage
 757 , wxTreeItemIcon                    nWhich
 758 ) const
 759 {
 760     //
 761     // Image handles stored in CNRINFO.
 762     //
 763     CNRINFO                         vCnrInfo;
 764
 765     ::WinSendMsg( GetHWND()
 766                  ,CM_QUERYCNRINFO
 767                  ,MPFROMP(&vCnrInfo)
 768                  ,(MPARAM)(USHORT)sizeof(CNRINFO)
 769                 );
 770     if (nWhich == wxTreeItemIcon_Normal)
 771          vCnrInfo.hbmCollapsed = (HBITMAP)nImage;
 772     if (nWhich == wxTreeItemIcon_Expanded)
 773         vCnrInfo.hbmExpanded = (HBITMAP)nImage;
 774     ::WinSendMsg( GetHWND()
 775                  ,CM_SETCNRINFO
 776                  ,MPFROMP(&vCnrInfo)
 777                  ,(MPARAM)CMA_TREEBITMAP
 778                 );
 779 } // end of wxTreeCtrl::DoSetItemImageFromData
 780
 781 // Useless for OS/2
 782 void wxTreeCtrl::DoSetItemImages (
 783   const wxTreeItemId&               rItem
 784 , int                               nImage
 785 , int                               nImageSel
 786 )
 787 {
 788 } // end of wxTreeCtrl::DoSetItemImages
 789
 790 int wxTreeCtrl::GetItemImage (
 791   const wxTreeItemId&               rItem
 792 , wxTreeItemIcon                    nWhich
 793 ) const
 794 {
 795     if (HasIndirectData(rItem))
 796     {
 797         return DoGetItemImageFromData( rItem
 798                                       ,nWhich
 799                                      );
 800     }
 801
 802     CNRINFO                         vCnrInfo;
 803
 804     ::WinSendMsg( GetHWND()
 805                  ,CM_QUERYCNRINFO
 806                  ,MPFROMP(&vCnrInfo)
 807                  ,(MPARAM)(USHORT)sizeof(CNRINFO)
 808                 );
 809     switch (nWhich)
 810     {
 811         default:
 812             wxFAIL_MSG( wxT("unknown tree item image type") );
 813
 814         case wxTreeItemIcon_Normal:
 815             if (vCnrInfo.hbmCollapsed == NULLHANDLE)
 816                 return (int)::WinGetSysBitmap(HWND_DESKTOP, SBMP_TREEPLUS);
 817             return vCnrInfo.hbmCollapsed;
 818
 819
 820         case wxTreeItemIcon_Expanded:
 821             if (vCnrInfo.hbmExpanded == NULLHANDLE)
 822                 return (int)::WinGetSysBitmap(HWND_DESKTOP, SBMP_TREEMINUS);
 823             return vCnrInfo.hbmExpanded;
 824
 825         case wxTreeItemIcon_Selected:
 826         case wxTreeItemIcon_SelectedExpanded:
 827             return -1;
 828     }
 829 }
 830
 831 void wxTreeCtrl::SetItemImage (
 832   const wxTreeItemId&               WXUNUSED(rItem)
 833 , int                               nImage
 834 , wxTreeItemIcon                    nWhich
 835 )
 836 {
 837     CNRINFO                         vCnrInfo;
 838
 839     ::WinSendMsg( GetHWND()
 840                  ,CM_QUERYCNRINFO
 841                  ,MPFROMP(&vCnrInfo)
 842                  ,(MPARAM)(USHORT)sizeof(CNRINFO)
 843                 );
 844     switch (nWhich)
 845     {
 846         case wxTreeItemIcon_Normal:
 847             vCnrInfo.hbmCollapsed = (HBITMAP)nImage;
 848             break;
 849
 850         case wxTreeItemIcon_Expanded:
 851             vCnrInfo.hbmExpanded = (HBITMAP)nImage;
 852             break;
 853
 854         default:
 855             wxFAIL_MSG( wxT("unknown tree item image type") );
 856     }
 857     ::WinSendMsg( GetHWND()
 858                  ,CM_SETCNRINFO
 859                  ,MPFROMP(&vCnrInfo)
 860                  ,(MPARAM)CMA_TREEBITMAP
 861                 );
 862 } // end of wxTreeCtrl::SetItemImage
 863
 864 wxTreeItemData* wxTreeCtrl::GetItemData (
 865   const wxTreeItemId&               rItem
 866 ) const
 867 {
 868     wxTreeViewItem                  vTvItem(rItem);
 869
 870     if (!DoGetItem(&vTvItem))
 871     {
 872         return NULL;
 873     }
 874
 875     return (wxTreeItemData *)vTvItem.m_ulUserData;
 876 } // end of wxTreeCtrl::GetItemData
 877
 878 void wxTreeCtrl::SetItemData (
 879   const wxTreeItemId&               rItem
 880 , wxTreeItemData*                   pData
 881 )
 882 {
 883     //
 884     // first, associate this piece of data with this item
 885     if (pData)
 886     {
 887         pData->SetId(rItem);
 888     }
 889
 890     wxTreeViewItem                  vTvItem(rItem);
 891
 892     vTvItem.m_ulUserData = (ULONG)pData;
 893     DoSetItem(&vTvItem);
 894 } // end of wxTreeCtrl::SetItemData
 895
 896 // The following two do nothing under OS/2
 897 void wxTreeCtrl::SetIndirectItemData (
 898   const wxTreeItemId&               WXUNUSED(rItem)
 899 , wxTreeItemIndirectData*           WXUNUSED(pData)
 900 )
 901 {
 902 } // end of wxTreeCtrl::SetIndirectItemData
 903
 904 bool wxTreeCtrl::HasIndirectData (
 905   const wxTreeItemId&               WXUNUSED(rItem)
 906 ) const
 907 {
 908     return false;
 909 } // end of wxTreeCtrl::HasIndirectData
 910
 911 // Irreleveant under OS/2 --- item either has child records or it doesn't.
 912 void wxTreeCtrl::SetItemHasChildren (
 913   const wxTreeItemId&               WXUNUSED(rItem)
 914 , bool                              WXUNUSED(bHas)
 915 )
 916 {
 917 } // end of wxTreeCtrl::SetItemHasChildren
 918
 919 // Irreleveant under OS/2 --- function of the font in PM
 920 void wxTreeCtrl::SetItemBold (
 921   const wxTreeItemId&               WXUNUSED(rItem)
 922 , bool                              WXUNUSED(bBold)
 923 )
 924 {
 925 } // end of wxTreeCtrl::SetItemBold
 926
 927 void wxTreeCtrl::SetItemDropHighlight (
 928   const wxTreeItemId&               rItem
 929 , bool                              bHighlight
 930 )
 931 {
 932     wxTreeViewItem                  vTvItem(rItem);
 933
 934     ::WinSendMsg( GetHWND()
 935                  ,CM_SETRECORDEMPHASIS
 936                  ,MPFROMP(&vTvItem)
 937                  ,MPFROM2SHORT(bHighlight, CRA_SELECTED)
 938                 );
 939     DoSetItem(&vTvItem);
 940 } // end of wxTreeCtrl::SetItemDropHighlight
 941
 942 void wxTreeCtrl::RefreshItem (
 943   const wxTreeItemId&               rItem
 944 )
 945 {
 946     wxTreeViewItem                  vTvItem(rItem);
 947
 948     //
 949     // This just does a record invalidate causing it to be re-displayed
 950     //
 951     DoSetItem(&vTvItem);
 952 } // end of wxTreeCtrl::RefreshItem
 953
 954 wxColour wxTreeCtrl::GetItemTextColour (
 955   const wxTreeItemId&               rItem
 956 ) const
 957 {
 958     long                            lId = (long)rItem.m_pItem;
 959     wxTreeItemAttr*                 pAttr = (wxTreeItemAttr *)m_vAttrs.Get(lId);
 960
 961     if (!pAttr)
 962     {
 963         return wxNullColour;
 964     }
 965     return pAttr->GetTextColour();
 966 } // end of wxTreeCtrl::GetItemTextColour
 967
 968 wxColour wxTreeCtrl::GetItemBackgroundColour (
 969   const wxTreeItemId&               rItem
 970 ) const
 971 {
 972     long                            lId = (long)rItem.m_pItem;
 973     wxTreeItemAttr*                 pAttr = (wxTreeItemAttr *)m_vAttrs.Get(lId);
 974
 975     if (!pAttr)
 976     {
 977         return wxNullColour;
 978     }
 979     return pAttr->GetBackgroundColour();
 980 } // end of wxTreeCtrl::GetItemBackgroundColour
 981
 982 wxFont wxTreeCtrl::GetItemFont (
 983   const wxTreeItemId&               rItem
 984 ) const
 985 {
 986     long                            lId = (long)rItem.m_pItem;
 987     wxTreeItemAttr*                 pAttr = (wxTreeItemAttr *)m_vAttrs.Get(lId);
 988
 989     if (!pAttr)
 990     {
 991         return wxNullFont;
 992     }
 993     return pAttr->GetFont();
 994 } // end of wxTreeCtrl::GetItemFont
 995
 996 void wxTreeCtrl::SetItemTextColour (
 997   const wxTreeItemId&               rItem
 998 , const wxColour&                   rCol
 999 )
1000 {
1001     m_bHasAnyAttr = true;
1002
1003     long                            lId = (long)rItem.m_pItem;
1004     wxTreeItemAttr*                 pAttr = (wxTreeItemAttr *)m_vAttrs.Get(lId);
1005
1006     if (!pAttr)
1007     {
1008         pAttr = new wxTreeItemAttr;
1009         m_vAttrs.Put(lId, (wxObject *)pAttr);
1010     }
1011     pAttr->SetTextColour(rCol);
1012     RefreshItem(rItem);
1013 } // end of wxTreeCtrl::SetItemTextColour
1014
1015 void wxTreeCtrl::SetItemBackgroundColour (
1016   const wxTreeItemId&               rItem
1017 , const wxColour&                   rCol
1018 )
1019 {
1020     m_bHasAnyAttr = true;
1021
1022     long                            lId = (long)rItem.m_pItem;
1023     wxTreeItemAttr*                 pAttr = (wxTreeItemAttr *)m_vAttrs.Get(lId);
1024
1025     if (!pAttr)
1026     {
1027         pAttr = new wxTreeItemAttr;
1028         m_vAttrs.Put(lId, (wxObject *)pAttr);
1029     }
1030     pAttr->SetBackgroundColour(rCol);
1031     RefreshItem(rItem);
1032 } // end of wxTreeCtrl::SetItemBackgroundColour
1033
1034 void wxTreeCtrl::SetItemFont (
1035   const wxTreeItemId&               rItem
1036 , const wxFont&                     rFont
1037 )
1038 {
1039     m_bHasAnyAttr = true;
1040
1041     long                            lId = (long)rItem.m_pItem;
1042     wxTreeItemAttr*                 pAttr = (wxTreeItemAttr *)m_vAttrs.Get(lId);
1043
1044     if (!pAttr)
1045     {
1046         pAttr = new wxTreeItemAttr;
1047         m_vAttrs.Put(lId, (wxObject *)pAttr);
1048     }
1049     pAttr->SetFont(rFont);
1050     RefreshItem(rItem);
1051 } // end of wxTreeCtrl::SetItemFont
1052
1053 // ----------------------------------------------------------------------------
1054 // Item status
1055 // ----------------------------------------------------------------------------
1056
1057 bool wxTreeCtrl::IsVisible (
1058   const wxTreeItemId&               rItem
1059 ) const
1060 {
1061     // Bug in Gnu-Win32 headers, so don't use the macro TreeView_GetItemRect
1062     RECTL                           vRectRecord;
1063     RECTL                           vRectContainer;
1064     wxRect                          vWxRectRecord;
1065     wxRect                          vWxRectContainer;
1066     PMYRECORD                       pRecord = FindOS2TreeRecordByID ( GetHWND()
1067                                                                      ,rItem.m_pItem
1068                                                                     );
1069     QUERYRECORDRECT                 vQuery;
1070
1071     vQuery.cb                = sizeof(QUERYRECORDRECT);
1072     vQuery.pRecord           = (PRECORDCORE)pRecord;
1073     vQuery.fRightSplitWindow = FALSE;
1074     vQuery.fsExtent          = CMA_TREEICON;
1075
1076     ::WinSendMsg( GetHWND()
1077                  ,CM_QUERYVIEWPORTRECT
1078                  ,MPFROMP(&vRectContainer)
1079                  ,MPFROM2SHORT(CMA_WINDOW, FALSE)
1080                 );
1081     ::WinSendMsg( GetHWND()
1082                  ,CM_QUERYRECORDRECT
1083                  ,MPFROMP(&vRectRecord)
1084                  ,MPFROMP(&vQuery)
1085                 );
1086     vWxRectRecord.SetLeft(vRectRecord.xLeft);
1087     vWxRectRecord.SetTop(vRectRecord.yTop);
1088     vWxRectRecord.SetRight(vRectRecord.xRight);
1089     vWxRectRecord.SetBottom(vRectRecord.yBottom);
1090
1091     vWxRectContainer.SetLeft(vRectContainer.xLeft);
1092     vWxRectContainer.SetTop(vRectContainer.yTop);
1093     vWxRectContainer.SetRight(vRectContainer.xRight);
1094     vWxRectContainer.SetBottom(vRectContainer.yBottom);
1095     return (vWxRectContainer.Inside(wxPoint(vWxRectRecord.x, vWxRectRecord.y)));
1096 } // end of wxTreeCtrl::IsVisible
1097
1098 bool wxTreeCtrl::ItemHasChildren (
1099   const wxTreeItemId&               rItem
1100 ) const
1101 {
1102     wxTreeViewItem                  vTvItem(rItem);
1103     DoGetItem(&vTvItem);
1104
1105     //
1106     // A tree record with children will have one of these attributes
1107     //
1108     return (vTvItem.m_vRecord.flRecordAttr & CRA_EXPANDED ||
1109             vTvItem.m_vRecord.flRecordAttr & CRA_COLLAPSED) != 0;
1110 }
1111
1112 bool wxTreeCtrl::IsExpanded (
1113   const wxTreeItemId&               rItem
1114 ) const
1115 {
1116     wxTreeViewItem                  vTvItem(rItem);
1117     DoGetItem(&vTvItem);
1118
1119     return (vTvItem.m_vRecord.flRecordAttr & CRA_EXPANDED) != 0;
1120 } // end of wxTreeCtrl::IsExpanded
1121
1122 bool wxTreeCtrl::IsSelected (
1123   const wxTreeItemId&               rItem
1124 ) const
1125 {
1126     wxTreeViewItem                  vTvItem(rItem);
1127     DoGetItem(&vTvItem);
1128
1129     return (vTvItem.m_vRecord.flRecordAttr & CRA_SELECTED) != 0;
1130 } // end of wxTreeCtrl::IsSelected
1131
1132 // Not supported
1133 bool wxTreeCtrl::IsBold (
1134   const wxTreeItemId&               rItem
1135 ) const
1136 {
1137     return false;
1138 } // end of wxTreeCtrl::IsBold
1139
1140 // ----------------------------------------------------------------------------
1141 // navigation
1142 // ----------------------------------------------------------------------------
1143
1144 wxTreeItemId wxTreeCtrl::GetRootItem () const
1145 {
1146     PMYRECORD                       pRecord = NULL;
1147
1148     pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( GetHWND()
1149                                                   ,CM_QUERYRECORD
1150                                                   ,MPFROMP(pRecord)
1151                                                   ,MPFROM2SHORT(CMA_FIRST, CMA_ITEMORDER)
1152                                                  ));
1153
1154     if (!pRecord)
1155         return wxTreeItemId(-1L);
1156     return wxTreeItemId((long)pRecord->m_ulItemId);
1157 } // end of wxTreeCtrl::GetRootItem
1158
1159 wxTreeItemId wxTreeCtrl::GetSelection () const
1160 {
1161     wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), (long)(WXHTREEITEM)0,
1162                  wxT("this only works with single selection controls") );
1163
1164     PMYRECORD                       pRecord = NULL;
1165
1166     pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( GetHWND()
1167                                                   ,CM_QUERYRECORDEMPHASIS
1168                                                   ,MPARAM(CMA_FIRST)
1169                                                   ,MPARAM(CRA_SELECTED)
1170                                                  ));
1171     if (!pRecord)
1172         return wxTreeItemId(-1L);
1173     return wxTreeItemId((long)pRecord->m_ulItemId);
1174 } // end of wxTreeCtrl::GetSelection
1175
1176 wxTreeItemId wxTreeCtrl::GetItemParent (
1177   const wxTreeItemId&               rItem
1178 ) const
1179 {
1180     PMYRECORD                       pRecord = FindOS2TreeRecordByID ( GetHWND()
1181                                                                      ,rItem.m_pItem
1182                                                                     );
1183
1184     if (!pRecord)
1185         return wxTreeItemId(-1L);
1186     pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( GetHWND()
1187                                                   ,CM_QUERYRECORD
1188                                                   ,MPFROMP(pRecord)
1189                                                   ,MPFROM2SHORT(CMA_PARENT, CMA_ITEMORDER)
1190                                                  ));
1191     if (!pRecord)
1192         return wxTreeItemId(-1L);
1193     return wxTreeItemId((long)pRecord->m_ulItemId);
1194 } // end of wxTreeCtrl::GetItemParent
1195
1196 wxTreeItemId wxTreeCtrl::GetFirstChild (
1197   const wxTreeItemId&               rItem
1198 , long&                             rCookie
1199 ) const
1200 {
1201     PMYRECORD                       pRecord = FindOS2TreeRecordByID ( GetHWND()
1202                                                                      ,rItem.m_pItem
1203                                                                     );
1204
1205     if (!pRecord)
1206         return wxTreeItemId(-1L);
1207     pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( GetHWND()
1208                                                   ,CM_QUERYRECORD
1209                                                   ,MPFROMP(pRecord)
1210                                                   ,MPFROM2SHORT(CMA_FIRSTCHILD, CMA_ITEMORDER)
1211                                                  ));
1212     if (!pRecord)
1213         return wxTreeItemId(-1L);
1214     //
1215     // Remember the last child returned in 'cookie'
1216     //
1217     rCookie = (long)pRecord->m_ulItemId;
1218     return wxTreeItemId(rCookie);
1219 } // end of wxTreeCtrl::GetFirstChild
1220
1221 wxTreeItemId wxTreeCtrl::GetNextChild (
1222   const wxTreeItemId&               WXUNUSED(rItem)
1223 , long&                             rCookie
1224 ) const
1225 {
1226     PMYRECORD                       pRecord = FindOS2TreeRecordByID ( GetHWND()
1227                                                                      ,rCookie
1228                                                                     );
1229
1230     if (!pRecord)
1231         return wxTreeItemId(-1L);
1232     pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( GetHWND()
1233                                                   ,CM_QUERYRECORD
1234                                                   ,MPFROMP(pRecord)
1235                                                   ,MPFROM2SHORT(CMA_NEXT, CMA_ITEMORDER)
1236                                                  ));
1237     if (!pRecord)
1238         return wxTreeItemId(-1L);
1239     rCookie = (long)pRecord->m_ulItemId;
1240     return wxTreeItemId(rCookie);
1241 } // end of wxTreeCtrl::GetNextChild
1242
1243 wxTreeItemId wxTreeCtrl::GetLastChild (
1244   const wxTreeItemId&               rItem
1245 ) const
1246 {
1247     PMYRECORD                       pRecord = FindOS2TreeRecordByID ( GetHWND()
1248                                                                      ,rItem.m_pItem
1249                                                                     );
1250
1251     if (!pRecord)
1252         return wxTreeItemId(-1L);
1253     pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( GetHWND()
1254                                                   ,CM_QUERYRECORD
1255                                                   ,MPFROMP(pRecord)
1256                                                   ,MPFROM2SHORT(CMA_LASTCHILD, CMA_ITEMORDER)
1257                                                  ));
1258     if (!pRecord)
1259         return wxTreeItemId(-1L);
1260     return wxTreeItemId((long)pRecord->m_ulItemId);
1261 } // end of wxTreeCtrl::GetLastChild
1262
1263 wxTreeItemId wxTreeCtrl::GetNextSibling (
1264   const wxTreeItemId&               rItem
1265 ) const
1266 {
1267     PMYRECORD                       pRecord = FindOS2TreeRecordByID ( GetHWND()
1268                                                                      ,rItem.m_pItem
1269                                                                     );
1270
1271     if (!pRecord)
1272         return wxTreeItemId(-1L);
1273     pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( GetHWND()
1274                                                   ,CM_QUERYRECORD
1275                                                   ,MPFROMP(pRecord)
1276                                                   ,MPFROM2SHORT(CMA_NEXT, CMA_ITEMORDER)
1277                                                  ));
1278     if (!pRecord)
1279         return wxTreeItemId(-1L);
1280     return wxTreeItemId((long)pRecord->m_ulItemId);
1281 } // end of wxTreeCtrl::GetNextSibling
1282
1283 wxTreeItemId wxTreeCtrl::GetPrevSibling (
1284   const wxTreeItemId&               rItem
1285 ) const
1286 {
1287     PMYRECORD                       pRecord = FindOS2TreeRecordByID ( GetHWND()
1288                                                                      ,rItem.m_pItem
1289                                                                     );
1290
1291     if (!pRecord)
1292         return wxTreeItemId(-1L);
1293     pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( GetHWND()
1294                                                   ,CM_QUERYRECORD
1295                                                   ,MPFROMP(pRecord)
1296                                                   ,MPFROM2SHORT(CMA_PREV, CMA_ITEMORDER)
1297                                                  ));
1298     if (!pRecord)
1299         return wxTreeItemId(-1L);
1300     return wxTreeItemId((long)pRecord->m_ulItemId);
1301 } // end of wxTreeCtrl::GetPrevSibling
1302
1303 wxTreeItemId wxTreeCtrl::GetFirstVisibleItem () const
1304 {
1305     PMYRECORD                       pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( GetHWND()
1306                                                                                   ,CM_QUERYRECORD
1307                                                                                   ,MPFROMP(pRecord)
1308                                                                                   ,MPFROM2SHORT(CMA_FIRST, CMA_ITEMORDER)
1309                                                                                  ));
1310     if (!pRecord)
1311         return wxTreeItemId(-1L);
1312
1313     if (IsVisible(wxTreeItemId((long)pRecord->m_ulItemId)))
1314         return wxTreeItemId((long)pRecord->m_ulItemId);
1315     while(pRecord)
1316     {
1317         pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( GetHWND()
1318                                                       ,CM_QUERYRECORD
1319                                                       ,MPFROMP(pRecord)
1320                                                       ,MPFROM2SHORT(CMA_NEXT, CMA_ITEMORDER)
1321                                                      ));
1322         if (!pRecord)
1323             return wxTreeItemId(-1L);
1324         if (IsVisible(wxTreeItemId((long)pRecord->m_ulItemId)))
1325             return wxTreeItemId((long)pRecord->m_ulItemId);
1326     }
1327     return wxTreeItemId(-1L);
1328 } // end of wxTreeCtrl::GetFirstVisibleItem
1329
1330 wxTreeItemId wxTreeCtrl::GetNextVisible (
1331   const wxTreeItemId&               rItem
1332 ) const
1333 {
1334     wxASSERT_MSG(IsVisible(rItem), wxT("The item you call GetNextVisible() for must be visible itself!"));
1335
1336     PMYRECORD                       pRecord = FindOS2TreeRecordByID ( GetHWND()
1337                                                                      ,rItem.m_pItem
1338                                                                     );
1339
1340     if (!pRecord)
1341         return wxTreeItemId(-1L);
1342     while(pRecord)
1343     {
1344         pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( GetHWND()
1345                                                       ,CM_QUERYRECORD
1346                                                       ,MPFROMP(pRecord)
1347                                                       ,MPFROM2SHORT(CMA_NEXT, CMA_ITEMORDER)
1348                                                      ));
1349         if (!pRecord)
1350             return wxTreeItemId(-1L);
1351         if (IsVisible(wxTreeItemId((long)pRecord->m_ulItemId)))
1352             return wxTreeItemId((long)pRecord->m_ulItemId);
1353     }
1354     return wxTreeItemId(-1L);
1355 } // end of wxTreeCtrl::GetNextVisible
1356
1357 wxTreeItemId wxTreeCtrl::GetPrevVisible (
1358   const wxTreeItemId&               rItem
1359 ) const
1360 {
1361     wxASSERT_MSG( IsVisible(rItem), wxT("The item you call GetPrevVisible() for must be visible itself!"));
1362
1363     PMYRECORD                       pRecord = FindOS2TreeRecordByID ( GetHWND()
1364                                                                      ,rItem.m_pItem
1365                                                                     );
1366
1367     if (!pRecord)
1368         return wxTreeItemId(-1L);
1369     while(pRecord)
1370     {
1371         pRecord = (PMYRECORD)PVOIDFROMMR(::WinSendMsg( GetHWND()
1372                                                       ,CM_QUERYRECORD
1373                                                       ,MPFROMP(pRecord)
1374                                                       ,MPFROM2SHORT(CMA_PREV, CMA_ITEMORDER)
1375                                                      ));
1376         if (!pRecord)
1377             return wxTreeItemId(-1L);
1378         if (IsVisible(wxTreeItemId((long)pRecord->m_ulItemId)))
1379             return wxTreeItemId((long)pRecord->m_ulItemId);
1380     }
1381     return wxTreeItemId(-1L);
1382 } // end of wxTreeCtrl::GetPrevVisible
1383
1384 // ----------------------------------------------------------------------------
1385 // multiple selections emulation -- under OS/2 checked tree items is not
1386 // supported, but multisel is.  So we'll just check for selections here.
1387 // ----------------------------------------------------------------------------
1388
1389 bool wxTreeCtrl::IsItemChecked (
1390   const wxTreeItemId&               rItem
1391 ) const
1392 {
1393     wxTreeViewItem                  vTvItem(rItem);
1394
1395     DoGetItem(&vTvItem);
1396     return (vTvItem.m_vRecord.flRecordAttr & CRA_SELECTED);
1397 } // end of wxTreeCtrl::IsItemChecked
1398
1399 void wxTreeCtrl::SetItemCheck (
1400   const wxTreeItemId&               rItem
1401 , bool                              bCheck
1402 )
1403 {
1404     wxTreeViewItem                  vTvItem(rItem);
1405
1406     DoGetItem(&vTvItem);
1407     ::WinSendMsg( GetHWND()
1408                  ,CM_SETRECORDEMPHASIS
1409                  ,MPFROMP(&vTvItem)
1410                  ,MPFROM2SHORT(TRUE, CRA_SELECTED)
1411                 );
1412     DoSetItem(&vTvItem);
1413 } // end of wxTreeCtrl::SetItemCheck
1414
1415 size_t wxTreeCtrl::GetSelections (
1416   wxArrayTreeItemIds&               raSelections
1417 ) const
1418 {
1419     TraverseSelections              vSelector( this
1420                                               ,raSelections
1421                                              );
1422     return vSelector.GetCount();
1423 } // end of wxTreeCtrl::GetSelections
1424
1425 // ----------------------------------------------------------------------------
1426 // Usual operations
1427 // ----------------------------------------------------------------------------
1428
1429 wxTreeItemId wxTreeCtrl::DoInsertItem (
1430   const wxTreeItemId&               rParent
1431 , wxTreeItemId                      vInsertAfter
1432 , const wxString&                   rsText
1433 , int                               nImage
1434 , int                               selectedImage
1435 , wxTreeItemData*                   pData
1436 )
1437 {
1438     PMYRECORD                       pRecordAfter = FindOS2TreeRecordByID( GetHWND()
1439                                                                          ,vInsertAfter.m_pItem
1440                                                                         );
1441
1442     PMYRECORD                       pRecordParent = FindOS2TreeRecordByID( GetHWND()
1443                                                                           ,rParent.m_pItem
1444                                                                          );
1445
1446     PMYRECORD                       pRecord = (PMYRECORD)::WinSendMsg( GetHWND()
1447                                                                       ,CM_ALLOCRECORD
1448                                                                       ,MPFROMLONG(sizeof(MYRECORD) - sizeof(RECORDCORE))
1449                                                                       ,MPFROMLONG(1)
1450                                                                      );
1451     RECORDINSERT                    vInsert;
1452
1453     vInsert.cb                = sizeof(RECORDINSERT);
1454     if (rParent.m_pItem == 0L)
1455     {
1456         if (vInsertAfter.m_pItem == -1)
1457             vInsert.pRecordOrder      = (PRECORDCORE)CMA_END;
1458         else
1459             vInsert.pRecordOrder      = (PRECORDCORE)CMA_FIRST;
1460         vInsert.pRecordParent     = NULL;
1461     }
1462     else
1463     {
1464         if (vInsertAfter.m_pItem == 0)
1465             vInsert.pRecordOrder      = (PRECORDCORE)CMA_FIRST;
1466         else if (vInsertAfter.m_pItem == -1)
1467             vInsert.pRecordOrder      = (PRECORDCORE)CMA_END;
1468         else
1469             vInsert.pRecordOrder  = (PRECORDCORE)pRecordAfter;
1470         vInsert.pRecordParent     = (PRECORDCORE)pRecordParent;
1471     }
1472     vInsert.fInvalidateRecord = TRUE;
1473     vInsert.zOrder            = CMA_TOP;
1474     vInsert.cRecordsInsert    = 1;
1475
1476     pRecord->m_vRecord.pszTree   = (wxChar*)rsText.c_str();
1477     pRecord->m_vRecord.hbmBitmap = nImage;
1478     pRecord->m_ulItemId = pRecordAfter->m_ulItemId + 1;
1479     if (pData != NULL)
1480     {
1481         pRecord->m_ulUserData = (ULONG)pData;
1482     }
1483     ::WinSendMsg( GetHWND()
1484                  ,CM_INSERTRECORD
1485                  ,MPFROMP(pRecord)
1486                  ,MPFROMP(&vInsert)
1487                 );
1488
1489     //
1490     // OS/2 must mannually bump the index's of following records
1491     //
1492     BumpTreeRecordIds( GetHWND()
1493                   ,pRecord
1494                  );
1495     if (pData != NULL)
1496     {
1497         //
1498         // Associate the application tree item with PM tree item handle
1499         //
1500         pData->SetId((long)pRecord->m_ulItemId);
1501     }
1502     return wxTreeItemId((long)pRecord->m_ulItemId);
1503 }
1504
1505 #if WXWIN_COMPATIBILITY_2_4
1506
1507 // for compatibility only
1508 wxTreeItemId wxTreeCtrl::InsertItem (
1509   const wxTreeItemId&               rParent
1510 , const wxString&                   rsText
1511 , int                               nImage
1512 , int                               nSelImage
1513 , long                              lInsertAfter
1514 )
1515 {
1516     return DoInsertItem( rParent
1517                         ,wxTreeItemId(lInsertAfter)
1518                         ,rsText
1519                         ,nImage
1520                         ,nSelImage
1521                         ,NULL
1522                        );
1523 } // end of wxTreeCtrl::InsertItem
1524
1525 #endif // WXWIN_COMPATIBILITY_2_4
1526
1527 wxTreeItemId wxTreeCtrl::AddRoot (
1528   const wxString&                   rsText
1529 , int                               nImage
1530 , int                               nSelectedImage
1531 , wxTreeItemData*                   pData)
1532 {
1533
1534     return DoInsertItem( wxTreeItemId((long)0)
1535                         ,wxTreeItemId((long)-1)
1536                         ,rsText
1537                         ,nImage
1538                         ,nSelectedImage
1539                         ,pData
1540                        );
1541 } // end of wxTreeCtrl::AddRoot
1542
1543 wxTreeItemId wxTreeCtrl::PrependItem (
1544   const wxTreeItemId&               rParent
1545 , const wxString&                   rsText
1546 , int                               nImage
1547 , int                               nSelectedImage
1548 , wxTreeItemData*                   pData
1549 )
1550 {
1551     return DoInsertItem( rParent
1552                         ,wxTreeItemId((long)0)
1553                         ,rsText
1554                         ,nImage
1555                         ,nSelectedImage
1556                         ,pData
1557                        );
1558 } // end of wxTreeCtrl::PrependItem
1559
1560 wxTreeItemId wxTreeCtrl::InsertItem (
1561   const wxTreeItemId&               rParent
1562 , const wxTreeItemId&               rIdPrevious
1563 , const wxString&                   rsText
1564 , int                               nImage
1565 , int                               nSelectedImage
1566 , wxTreeItemData*                   pData
1567 )
1568 {
1569     return DoInsertItem( rParent
1570                         ,rIdPrevious
1571                         ,rsText
1572                         ,nImage
1573                         ,nSelectedImage
1574                         ,pData
1575                        );
1576 } // end of wxTreeCtrl::InsertItem
1577
1578 wxTreeItemId wxTreeCtrl::InsertItem (
1579   const wxTreeItemId&               rParent
1580 , size_t                            nIndex
1581 , const wxString&                   rsText
1582 , int                               nImage
1583 , int                               nSelectedImage
1584 , wxTreeItemData*                   pData
1585 )
1586 {
1587     return DoInsertItem( rParent
1588                         ,wxTreeItemId((long)nIndex)
1589                         ,rsText
1590                         ,nImage
1591                         ,nSelectedImage
1592                         ,pData
1593                        );
1594 } // end of wxTreeCtrl::InsertItem
1595
1596 wxTreeItemId wxTreeCtrl::AppendItem (
1597   const wxTreeItemId&               rParent
1598 , const wxString&                   rsText
1599 , int                               nImage
1600 , int                               nSelectedImage
1601 , wxTreeItemData*                   pData
1602 )
1603 {
1604     return DoInsertItem( rParent
1605                         ,wxTreeItemId((long)-1)
1606                         ,rsText
1607                         ,nImage
1608                         ,nSelectedImage
1609                         ,pData
1610                        );
1611 } // end of wxTreeCtrl::AppendItem
1612
1613 void wxTreeCtrl::Delete (
1614   const wxTreeItemId&               rItem
1615 )
1616 {
1617     //
1618     // OS/2 does not generate DELETEITEM events so do it here
1619     //
1620     wxEventType                     vEventType = wxEVT_NULL;
1621     wxTreeEvent                     vEvent( wxEVT_NULL
1622                                            ,m_windowId
1623                                           );
1624     PMYRECORD                       pRecord = FindOS2TreeRecordByID( GetHWND()
1625                                                                     ,rItem.m_pItem
1626                                                                    );
1627     vEvent.SetEventObject(this);
1628     ::WinSendMsg( GetHWND()
1629                  ,CM_REMOVERECORD
1630                  ,MPFROMP(pRecord)
1631                  ,(MPARAM)(CMA_FREE | CMA_INVALIDATE)
1632                 );
1633     vEvent.m_item = rItem.m_pItem;
1634     if (m_bHasAnyAttr)
1635     {
1636         delete (wxTreeItemAttr *)m_vAttrs.Delete((long)rItem.m_pItem);
1637     }
1638     vEvent.SetEventType(vEventType);
1639     GetEventHandler()->ProcessEvent(vEvent);
1640 } // end of wxTreeCtrl::Delete
1641
1642 // delete all children (but don't delete the item itself)
1643 void wxTreeCtrl::DeleteChildren (
1644   const wxTreeItemId&               rItem
1645 )
1646 {
1647     long                            lCookie;
1648     wxArrayLong                     aChildren;
1649     wxTreeItemId                    vChild = GetFirstChild( rItem
1650                                                            ,lCookie
1651                                                           );
1652
1653     while (vChild.IsOk())
1654     {
1655         aChildren.Add((long)(WXHTREEITEM)vChild);
1656         vChild = GetNextChild( rItem
1657                               ,lCookie
1658                              );
1659     }
1660
1661     size_t                          nCount = aChildren.Count();
1662
1663     for (size_t n = 0; n < nCount; n++)
1664     {
1665         Delete(aChildren[n]);
1666     }
1667 } // end of wxTreeCtrl::DeleteChildren
1668
1669 void wxTreeCtrl::DeleteAllItems ()
1670 {
1671     ::WinSendMsg( GetHWND()
1672                  ,CM_REMOVERECORD
1673                  ,NULL                // Remove all
1674                  ,(MPARAM)(CMA_FREE | CMA_INVALIDATE)
1675                 );
1676 } // end of wxTreeCtrl::DeleteAllItems
1677
1678 void wxTreeCtrl::DoExpand (
1679   const wxTreeItemId&               rItem
1680 , int                               nFlag
1681 )
1682 {
1683     PMYRECORD                       pRecord = FindOS2TreeRecordByID( GetHWND()
1684                                                                     ,rItem.m_pItem
1685                                                                    );
1686     switch(nFlag)
1687     {
1688         case wxTREE_EXPAND_EXPAND:
1689             ::WinSendMsg( GetHWND()
1690                          ,CM_EXPANDTREE
1691                          ,MPFROMP(pRecord)
1692                          ,NULL
1693                         );
1694             break;
1695
1696         case wxTREE_EXPAND_COLLAPSE:
1697             ::WinSendMsg( GetHWND()
1698                          ,CM_COLLAPSETREE
1699                          ,MPFROMP(pRecord)
1700                          ,NULL
1701                         );
1702             break;
1703
1704         case wxTREE_EXPAND_COLLAPSE_RESET:
1705             ::WinSendMsg( GetHWND()
1706                          ,CM_COLLAPSETREE
1707                          ,MPFROMP(pRecord)
1708                          ,NULL
1709                         );
1710             DeleteChildren(rItem);
1711             break;
1712
1713         case wxTREE_EXPAND_TOGGLE:
1714             if (pRecord->m_vRecord.flRecordAttr & CRA_COLLAPSED)
1715                 ::WinSendMsg( GetHWND()
1716                              ,CM_EXPANDTREE
1717                              ,MPFROMP(pRecord)
1718                              ,NULL
1719                             );
1720             else if (pRecord->m_vRecord.flRecordAttr & CRA_EXPANDED)
1721                 ::WinSendMsg( GetHWND()
1722                              ,CM_COLLAPSETREE
1723                              ,MPFROMP(pRecord)
1724                              ,NULL
1725                             );
1726             break;
1727
1728     }
1729 } // end of wxTreeCtrl::DoExpand
1730
1731 void wxTreeCtrl::Expand (
1732   const wxTreeItemId&               rItem
1733 )
1734 {
1735     DoExpand( rItem
1736              ,wxTREE_EXPAND_EXPAND
1737             );
1738 } // end of wxTreeCtrl::Expand
1739
1740 void wxTreeCtrl::Collapse (
1741   const wxTreeItemId&               rItem
1742 )
1743 {
1744     DoExpand( rItem
1745              ,wxTREE_EXPAND_COLLAPSE
1746             );
1747 } // end of wxTreeCtrl::Collapse
1748
1749 void wxTreeCtrl::CollapseAndReset (
1750   const wxTreeItemId&               rItem
1751 )
1752 {
1753     DoExpand( rItem
1754              ,wxTREE_EXPAND_COLLAPSE_RESET
1755             );
1756 } // end of wxTreeCtrl::CollapseAndReset
1757
1758 void wxTreeCtrl::Toggle (
1759   const wxTreeItemId&               rItem
1760 )
1761 {
1762     DoExpand( rItem
1763              ,wxTREE_EXPAND_TOGGLE
1764             );
1765 } // end of wxTreeCtrl::Toggle
1766
1767 #if WXWIN_COMPATIBILITY_2_4
1768
1769 void wxTreeCtrl::ExpandItem (
1770   const wxTreeItemId&               rItem
1771 , int                               nAction
1772 )
1773 {
1774     DoExpand( rItem
1775              ,nAction
1776             );
1777 } // end of wxTreeCtrl::ExpandItem
1778
1779 #endif // WXWIN_COMPATIBILITY_2_4
1780
1781 void wxTreeCtrl::Unselect ()
1782 {
1783     wxASSERT_MSG( !(m_windowStyle & wxTR_MULTIPLE),
1784                   wxT("doesn't make sense, may be you want UnselectAll()?") );
1785
1786     //
1787     // Just remove the selection
1788     //
1789     SelectItem(wxTreeItemId((long)0));
1790 } // end of wxTreeCtrl::Unselect
1791
1792 void wxTreeCtrl::UnselectAll ()
1793 {
1794     if (m_windowStyle & wxTR_MULTIPLE)
1795     {
1796         wxArrayTreeItemIds          aSelections;
1797         size_t                      nCount = GetSelections(aSelections);
1798
1799         for (size_t n = 0; n < nCount; n++)
1800         {
1801             SetItemCheck( aSelections[n]
1802                          ,false
1803                         );
1804         }
1805     }
1806     else
1807     {
1808         //
1809         // Just remove the selection
1810         //
1811         Unselect();
1812     }
1813 } // end of wxTreeCtrl::UnselectAll
1814
1815 void wxTreeCtrl::SelectItem (
1816   const wxTreeItemId&               rItem
1817 )
1818 {
1819     SetItemCheck(rItem);
1820 } // end of wxTreeCtrl::SelectItem
1821
1822 void wxTreeCtrl::EnsureVisible (
1823   const wxTreeItemId&               rItem
1824 )
1825 {
1826     wxTreeViewItem                  vTvItem(rItem);
1827
1828     DoGetItem(&vTvItem);
1829     if (!::WinSendMsg( GetHWND()
1830                       ,CM_INVALIDATERECORD
1831                       ,MPFROMP(&vTvItem)
1832                       ,MPFROM2SHORT(1, CMA_ERASE | CMA_REPOSITION | CMA_TEXTCHANGED)
1833                      ));
1834 } // end of wxTreeCtrl::EnsureVisible
1835
1836 void wxTreeCtrl::ScrollTo (
1837   const wxTreeItemId&               rItem
1838 )
1839 {
1840     wxTreeViewItem                  vTvItem(rItem);
1841
1842     DoGetItem(&vTvItem);
1843     if (!::WinSendMsg( GetHWND()
1844                       ,CM_INVALIDATERECORD
1845                       ,MPFROMP(&vTvItem)
1846                       ,MPFROM2SHORT(1, CMA_ERASE | CMA_REPOSITION | CMA_TEXTCHANGED)
1847                      ));
1848 }
1849
1850 wxTextCtrl* wxTreeCtrl::EditLabel (
1851   const wxTreeItemId&               rItem
1852 , wxClassInfo*                      WXUNUSED(pTextControlClass)
1853 )
1854 {
1855     CNREDITDATA                     vEdit;
1856     PMYRECORD                       pRecord = FindOS2TreeRecordByID( GetHWND()
1857                                                                     ,rItem.m_pItem
1858                                                                    );
1859
1860     vEdit.cb         = sizeof(CNREDITDATA);
1861     vEdit.hwndCnr    = GetHWND();
1862     vEdit.pRecord    = &pRecord->m_vRecord;
1863     vEdit.pFieldInfo = NULL;
1864     vEdit.ppszText   = NULL;
1865     vEdit.cbText     = 0;
1866     vEdit.id         = 0;
1867
1868     ::WinSendMsg( GetHWND()
1869                  ,CM_OPENEDIT
1870                  ,MPFROMP(&vEdit)
1871                  ,(MPARAM)0
1872                 );
1873     return NULL;
1874 } // end of wxTreeCtrl::EditLabel
1875
1876 // End label editing, optionally cancelling the edit
1877 void wxTreeCtrl::EndEditLabel (
1878   const wxTreeItemId&               WXUNUSED(rItem)
1879 , bool                              WXUNUSED(bDiscardChanges)
1880 )
1881 {
1882     ::WinSendMsg( GetHWND()
1883                  ,CM_CLOSEEDIT
1884                  ,(MPARAM)0
1885                  ,(MPARAM)0
1886                 );
1887 } // end of wxTreeCtrl::EndEditLabel
1888
1889 wxTreeItemId wxTreeCtrl::HitTest (
1890   const wxPoint&                    rPoint
1891 , int&                              WXUNUSED(rFlags)
1892 )
1893 {
1894     PMYRECORD                       pRecord = NULL;
1895     QUERYRECFROMRECT                vQueryRect;
1896     RECTL                           vRect;
1897     long                            lHeight;
1898
1899     //
1900     // Get height for OS/2 point conversion
1901     //
1902     ::WinSendMsg( GetHWND()
1903                  ,CM_QUERYVIEWPORTRECT
1904                  ,MPFROMP(&vRect)
1905                  ,MPFROM2SHORT(CMA_WINDOW, TRUE)
1906                 );
1907     lHeight = vRect.yTop - vRect.yBottom;
1908
1909     //
1910     // For now just try and get a record in the general vicinity and forget
1911     // the flag
1912     //
1913     vRect.xLeft   = rPoint.x - 2;
1914     vRect.xRight  = rPoint.x + 2;
1915     vRect.yTop    = (lHeight - rPoint.y) + 2;
1916     vRect.yBottom = (lHeight - rPoint.y) - 2;
1917
1918     vQueryRect.cb = sizeof(QUERYRECFROMRECT);
1919     vQueryRect.rect = vRect;
1920     vQueryRect.fsSearch = CMA_PARTIAL;
1921
1922     pRecord = (PMYRECORD)::WinSendMsg( GetHWND()
1923                                       ,CM_QUERYRECORDFROMRECT
1924                                       ,(MPARAM)CMA_FIRST
1925                                       ,MPFROMP(&vQueryRect)
1926                                     );
1927
1928     if (!pRecord)
1929         return -1L;
1930     return wxTreeItemId((long)pRecord->m_ulItemId);
1931 } // end of wxTreeCtrl::HitTest
1932
1933 bool wxTreeCtrl::GetBoundingRect (
1934   const wxTreeItemId&               rItem
1935 , wxRect&                           rRect
1936 , bool                              bTextOnly
1937 ) const
1938 {
1939     RECTL                           vRectRecord;
1940     PMYRECORD                       pRecord = FindOS2TreeRecordByID ( GetHWND()
1941                                                                      ,rItem.m_pItem
1942                                                                     );
1943     QUERYRECORDRECT                 vQuery;
1944
1945     vQuery.cb                = sizeof(QUERYRECORDRECT);
1946     vQuery.pRecord           = (PRECORDCORE)pRecord;
1947     vQuery.fRightSplitWindow = FALSE;
1948     if (bTextOnly)
1949         vQuery.fsExtent          = CMA_TEXT;
1950     else
1951         vQuery.fsExtent          = CMA_TREEICON | CMA_TEXT;
1952
1953     if (!::WinSendMsg( GetHWND()
1954                       ,CM_QUERYRECORDRECT
1955                       ,MPFROMP(&vRectRecord)
1956                       ,MPFROMP(&vQuery)
1957                      ))
1958         return false;
1959     rRect.SetLeft(vRectRecord.xLeft);
1960     rRect.SetTop(vRectRecord.yTop);
1961     rRect.SetRight(vRectRecord.xRight);
1962     rRect.SetBottom(vRectRecord.yBottom);
1963     return true;
1964 } // end of wxTreeCtrl::GetBoundingRect
1965
1966 // ----------------------------------------------------------------------------
1967 // sorting stuff
1968 // ----------------------------------------------------------------------------
1969
1970 SHORT EXPENTRY InternalDataCompareTreeFunc (
1971   PMYRECORD                         p1
1972 , PMYRECORD                         p2
1973 , PVOID                             pStorage
1974 )
1975 {
1976     wxCHECK_MSG( p1 && p2, 0,
1977                  wxT("sorting tree without data doesn't make sense") );
1978
1979     wxTreeCtrl*                     pTree = (wxTreeCtrl*)pStorage;
1980
1981     return pTree->OnCompareItems( p1->m_ulItemId
1982                                  ,p2->m_ulItemId
1983                                 );
1984 } // end of wxTreeSortHelper::Compare
1985
1986 int wxTreeCtrl::OnCompareItems (
1987   const wxTreeItemId&               rItem1
1988 , const wxTreeItemId&               rItem2
1989 )
1990 {
1991     return wxStrcmp( GetItemText(rItem1)
1992                     ,GetItemText(rItem2)
1993                    );
1994 } // end of wxTreeCtrl::OnCompareItems
1995
1996 void wxTreeCtrl::SortChildren (
1997   const wxTreeItemId&               rItem
1998 )
1999 {
2000     ::WinSendMsg( GetHWND()
2001                  ,CM_SORTRECORD
2002                  ,(PFN)InternalDataCompareTreeFunc
2003                  ,NULL
2004                 );
2005 } // end of wxTreeCtrl::SortChildren
2006
2007 // ----------------------------------------------------------------------------
2008 // implementation
2009 // ----------------------------------------------------------------------------
2010
2011 bool wxTreeCtrl::OS2Command (
2012   WXUINT                            uCmd
2013 , WXWORD                            wId
2014 )
2015 {
2016     if (uCmd == CN_ENDEDIT)
2017     {
2018         wxCommandEvent              vEvent( wxEVT_COMMAND_TEXT_UPDATED
2019                                            ,wId
2020                                           );
2021
2022         vEvent.SetEventObject( this );
2023         ProcessCommand(vEvent);
2024         return true;
2025     }
2026     else if (uCmd == CN_KILLFOCUS)
2027     {
2028         wxCommandEvent              vEvent( wxEVT_KILL_FOCUS
2029                                            ,wId
2030                                           );
2031         vEvent.SetEventObject( this );
2032         ProcessCommand(vEvent);
2033         return true;
2034     }
2035     else
2036         return false;
2037 } // end of wxTreeCtrl::OS2Command
2038
2039 //
2040 // TODO:  Fully implement direct manipulation when I figure it out
2041 //
2042 MRESULT wxTreeCtrl::OS2WindowProc (
2043   WXUINT                            uMsg
2044 , WXWPARAM                          wParam
2045 , WXLPARAM                          lParam
2046 )
2047 {
2048     bool                            bProcessed = false;
2049     MRESULT                         mRc = 0;
2050     wxTreeEvent                     vEvent( wxEVT_NULL
2051                                            ,m_windowId
2052                                           );
2053     wxEventType                     vEventType = wxEVT_NULL;
2054     PCNRDRAGINIT                    pDragInit = NULL;
2055     PCNREDITDATA                    pEditData = NULL;
2056     PNOTIFYRECORDENTER              pNotifyEnter = NULL;
2057
2058     vEvent.SetEventObject(this);
2059     switch (uMsg)
2060     {
2061         case WM_CONTROL:
2062             switch(SHORT2FROMMP(wParam))
2063             {
2064                 case CN_INITDRAG:
2065                     pDragInit = (PCNRDRAGINIT)lParam;
2066                     if (pDragInit)
2067                     {
2068                         PMYRECORD       pRecord = (PMYRECORD)pDragInit->pRecord;
2069
2070                         vEventType = wxEVT_COMMAND_TREE_BEGIN_DRAG;
2071                         vEvent.m_item        = pRecord->m_ulItemId;
2072                         vEvent.m_pointDrag.x = pDragInit->x;
2073                         vEvent.m_pointDrag.y = pDragInit->y;
2074                     }
2075                     break;
2076
2077                 case CN_BEGINEDIT:
2078                     pEditData = (PCNREDITDATA)lParam;
2079                     if (pEditData)
2080                     {
2081                         PMYRECORD       pRecord = (PMYRECORD)pEditData->pRecord;
2082
2083                         vEventType = wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT;
2084                         vEvent.m_item = pRecord->m_ulItemId;
2085                         vEvent.m_label = pRecord->m_vRecord.pszTree;
2086                         vEvent.m_editCancelled = false;
2087                     }
2088                     break;
2089
2090                 case CN_ENDEDIT:
2091                     pEditData = (PCNREDITDATA)lParam;
2092                     if (pEditData)
2093                     {
2094                         PMYRECORD       pRecord = (PMYRECORD)pEditData->pRecord;
2095
2096                         vEventType = wxEVT_COMMAND_TREE_END_LABEL_EDIT;
2097                         vEvent.m_item = pRecord->m_ulItemId;
2098                         vEvent.m_label = pRecord->m_vRecord.pszTree;
2099                         if (pRecord->m_vRecord.pszTree == NULL)
2100                         {
2101                             vEvent.m_editCancelled = true;
2102                         }
2103                         else
2104                         {
2105                             vEvent.m_editCancelled = false;
2106                         }
2107                     }
2108                     break;
2109
2110                 case CN_EXPANDTREE:
2111                     {
2112                         PMYRECORD       pRecord = (PMYRECORD)lParam;
2113
2114                         vEventType = gs_expandEvents[IDX_EXPAND][IDX_DONE];
2115                         vEvent.m_item = pRecord->m_ulItemId;
2116                     }
2117                     break;
2118             }
2119             vEvent.SetEventType(vEventType);
2120             bProcessed = GetEventHandler()->ProcessEvent(vEvent);
2121             break;
2122     }
2123     if (!bProcessed)
2124         mRc = wxControl::OS2WindowProc( uMsg
2125                                        ,wParam
2126                                        ,lParam
2127                                       );
2128     return mRc;
2129 } // end of wxTreeCtrl::OS2WindowProc
2130
2131 #if WXWIN_COMPATIBILITY_2_2
2132
2133 wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
2134 {
2135     return GetItemParent( item );
2136 }
2137
2138 #endif  // WXWIN_COMPATIBILITY_2_2
2139
2140 #endif // wxUSE_TREECTRL