1 ///////////////////////////////////////////////////////////////////////////// 
   2 // Name:        src/os2/treectrl.cpp 
   4 // Author:      Julian Smart 
   5 // Modified by: Vadim Zeitlin to be less MSW-specific on 10.10.98 
   8 // Copyright:   (c) Julian Smart 
   9 // Licence:     wxWindows licence 
  10 ///////////////////////////////////////////////////////////////////////////// 
  12 // ============================================================================ 
  14 // ============================================================================ 
  16 // ---------------------------------------------------------------------------- 
  18 // ---------------------------------------------------------------------------- 
  20 // For compilers that support precompilation, includes "wx.h". 
  21 #include "wx/wxprec.h" 
  29 #include "wx/treectrl.h" 
  32     #include "wx/dynarray.h" 
  35     #include "wx/settings.h" 
  38 #include "wx/os2/private.h" 
  40 #include "wx/imaglist.h" 
  42 // a macro to hide the ugliness of nested casts 
  43 #define HITEM(item)     (HTREEITEM)(WXHTREEITEM)(item) 
  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 
  51 #define wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE 0 
  53 // ---------------------------------------------------------------------------- 
  55 // ---------------------------------------------------------------------------- 
  57 // ---------------------------------------------------------------------------- 
  59 // ---------------------------------------------------------------------------- 
  61 typedef struct _MYRECORD
 
  66 } MYRECORD
, *PMYRECORD
; 
  68 struct wxTreeViewItem 
: public MYRECORD
 
  70     wxTreeViewItem(const wxTreeItemId
& rItem
) 
  72         m_ulItemId 
= (ULONG
)rItem
.m_pItem
; 
  74 }; // end of STRUCT wxTreeViewItem 
  76 class wxTreeItemInternalData
 
  80     wxTreeItemInternalData() {} 
  81     ~wxTreeItemInternalData() 
  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 
  95 }; // end of CLASS wxTreeItemInternalData 
  97 void BumpTreeRecordIds ( 
 104         pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( hWnd
 
 107                                                       ,MPFROM2SHORT(CMA_NEXT
, CMA_ITEMORDER
) 
 110             pRecord
->m_ulItemId
++; 
 112 } // end of BumpTreeRecordIds 
 114 PMYRECORD 
FindOS2TreeRecordByID ( 
 119     PMYRECORD                       pRecord 
= NULL
; 
 123     if (!::WinSendMsg( hWnd
 
 126                       ,(MPARAM
)(USHORT
)sizeof(CNRINFO
) 
 129     for (i 
= 0; i 
< vCnrInfo
.cRecords
; i
++) 
 132             pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( hWnd
 
 135                                                           ,MPFROM2SHORT(CMA_FIRST
, CMA_ITEMORDER
) 
 138             pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( hWnd
 
 141                                                           ,MPFROM2SHORT(CMA_NEXT
, CMA_ITEMORDER
) 
 145         if (pRecord
->m_ulItemId 
== (ULONG
)lItemId
) 
 149 } // end of FindOS2ListRecordByID 
 153 class wxTreeTraversal
 
 156     wxTreeTraversal(const wxTreeCtrl
* pTree
) 
 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 
 166     bool DoTraverse( const wxTreeItemId
& rRoot
 
 167                     ,bool                bRecursively 
= true 
 171     // Override this function to do whatever is needed for each item, return 
 172     // false to stop traversing 
 174     virtual bool OnVisit(const wxTreeItemId
& rItem
) = 0; 
 177     const wxTreeCtrl
* GetTree(void) const { return m_pTree
; } 
 180     bool Traverse( const wxTreeItemId
& rRoot
 
 184     const wxTreeCtrl
*               m_pTree
; 
 185     DECLARE_NO_COPY_CLASS(wxTreeTraversal
) 
 186 }; // end of CLASS wxTreeTraversal 
 189 // Internal class for getting the selected items 
 191 class TraverseSelections 
: public wxTreeTraversal
 
 194     TraverseSelections( const wxTreeCtrl
*   pTree
 
 195                        ,wxArrayTreeItemIds
& raSelections
 
 197                       : wxTreeTraversal(pTree
) 
 198                       , m_aSelections(raSelections
) 
 200         m_aSelections
.Empty(); 
 201         DoTraverse(pTree
->GetRootItem()); 
 204     virtual bool OnVisit(const wxTreeItemId
& rItem
) 
 207         // Can't visit a virtual node. 
 209         if ((GetTree()->GetRootItem() == rItem
) && (GetTree()->GetWindowStyle() & wxTR_HIDE_ROOT
)) 
 213         PMYRECORD                   pRecord 
= FindOS2TreeRecordByID( (HWND
)GetTree()->GetHWND() 
 216         if (pRecord
->m_vRecord
.flRecordAttr 
& CRA_SELECTED
) 
 218             m_aSelections
.Add(rItem
); 
 223     size_t GetCount(void) const { return m_aSelections
.GetCount(); } 
 226     wxArrayTreeItemIds
&             m_aSelections
; 
 227 }; // end of CLASS TraverseSelections 
 230 // Internal class for counting tree items 
 232 class TraverseCounter 
: public wxTreeTraversal
 
 235     TraverseCounter( const wxTreeCtrl
*   pTree
 
 236                     ,const wxTreeItemId
& rRoot
 
 239                    : wxTreeTraversal(pTree
) 
 242         DoTraverse(rRoot
, bRecursively
); 
 245     virtual bool OnVisit(const wxTreeItemId
& WXUNUSED(rItem
)) 
 251     size_t GetCount(void) const { return m_nCount
; } 
 255 }; // end of CLASS TraverseCounter 
 257 // ---------------------------------------------------------------------------- 
 259 // ---------------------------------------------------------------------------- 
 261 IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl
, wxControl
) 
 263 // ---------------------------------------------------------------------------- 
 265 // ---------------------------------------------------------------------------- 
 267 // indices in gs_expandEvents table below 
 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
]; 
 287    but logically it's a const table with the following entries: 
 290     { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxEVT_COMMAND_TREE_ITEM_COLLAPSING }, 
 291     { wxEVT_COMMAND_TREE_ITEM_EXPANDED,  wxEVT_COMMAND_TREE_ITEM_EXPANDING  } 
 295 // ============================================================================ 
 297 // ============================================================================ 
 299 // ---------------------------------------------------------------------------- 
 301 // ---------------------------------------------------------------------------- 
 303 bool wxTreeTraversal::DoTraverse ( 
 304   const wxTreeItemId
&               rRoot
 
 311     return Traverse( rRoot
 
 314 } // end of wxTreeTraversal::DoTraverse 
 316 bool wxTreeTraversal::Traverse ( 
 317   const wxTreeItemId
&               rRoot
 
 322     wxTreeItemId                    vChild 
= m_pTree
->GetFirstChild( rRoot
 
 325     while (vChild
.IsOk()) 
 328         // Depth first traversal 
 330         if (bRecursively 
&& !Traverse(vChild
, true)) 
 332         if (!OnVisit(vChild
)) 
 334         vChild 
= m_pTree
->GetNextChild( rRoot
 
 339 } // end of wxTreeTraversal::Traverse 
 341 // ---------------------------------------------------------------------------- 
 342 // construction and destruction 
 343 // ---------------------------------------------------------------------------- 
 345 void wxTreeCtrl::Init () 
 347     m_pImageListNormal     
= NULL
; 
 348     m_pImageListState      
= NULL
; 
 349     m_bOwnsImageListNormal 
= false; 
 350     m_bOwnsImageListState  
= false; 
 351     m_bHasAnyAttr          
= false; 
 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 
 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 
 364 bool wxTreeCtrl::Create ( 
 367 , const wxPoint
&                    rPos
 
 368 , const wxSize
&                     rSize
 
 370 , const wxValidator
&                rValidator
 
 371 , const wxString
&                   rsName
 
 377     if (!CreateControl( pParent
 
 387     DWORD                           dwStyle 
= WS_VISIBLE 
| WS_TABSTOP
; 
 389     if (m_windowStyle 
& wxCLIP_SIBLINGS
) 
 390         dwStyle 
|= WS_CLIPSIBLINGS
; 
 392     // Create the tree control. 
 393     if (!OS2CreateControl( "CONTAINER" 
 399     // Now set the display attributes to show a TREE/ICON view of the 
 402     if (!::WinSendMsg( GetHWND() 
 405                       ,(MPARAM
)(USHORT
)sizeof(CNRINFO
) 
 408     vCnrInfo
.flWindowAttr 
= CV_TREE
|CV_ICON
; 
 409     vCnrInfo
.flWindowAttr 
|= CA_DRAWBITMAP
; 
 410     if (m_windowStyle 
& wxTR_NO_LINES
) 
 411         vCnrInfo
.flWindowAttr 
|= CA_TREELINE
; 
 413     ::WinSendMsg( GetHWND() 
 416                  ,(MPARAM
)CMA_FLWINDOWATTR
 
 419     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW
)); 
 420     SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); 
 421     SetFont(*wxSMALL_FONT
); 
 430 } // end of wxTreeCtrl::Create 
 432 wxTreeCtrl::~wxTreeCtrl () 
 435     // Delete any attributes 
 439         for (wxNode
* pNode 
= m_vAttrs
.Next(); pNode
; pNode 
= m_vAttrs
.Next()) 
 441             delete (wxTreeItemAttr 
*)pNode
->Data(); 
 443         m_bHasAnyAttr 
= false; 
 448     // Delete user data to prevent memory leaks 
 449     // also deletes hidden root node storage. 
 452     if (m_bOwnsImageListNormal
) 
 453         delete m_pImageListNormal
; 
 454     if (m_bOwnsImageListState
) 
 455         delete m_pImageListState
; 
 456 } // end of wxTreeCtrl::~wxTreeCtrl 
 458 // ---------------------------------------------------------------------------- 
 460 // ---------------------------------------------------------------------------- 
 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 
 466 bool wxTreeCtrl::DoGetItem ( 
 467   wxTreeViewItem
*                   pTvItem
 
 470     PMYRECORD                       pRecord 
= FindOS2TreeRecordByID( GetHWND() 
 476         wxLogLastError(wxT("Item not obtained")); 
 480 } // end of wxTreeCtrl::DoGetItem 
 482 void wxTreeCtrl::DoSetItem ( 
 483   wxTreeViewItem
*                   pTvItem
 
 487     // Just invalidate the record to redisplay it 
 489     if (!::WinSendMsg( GetHWND() 
 492                       ,MPFROM2SHORT(1, CMA_ERASE 
| CMA_REPOSITION 
| CMA_TEXTCHANGED
) 
 495         wxLogLastError(wxT("CM_INVALIDATERECORD")); 
 497 } // end of wxTreeCtrl::DoSetItem 
 499 unsigned int wxTreeCtrl::GetCount () const 
 503     ::WinSendMsg( GetHWND() 
 506                  ,(MPARAM
)(USHORT
)sizeof(CNRINFO
) 
 509     return (unsigned int)vCnrInfo
.cRecords
; 
 510 } // end of wxTreeCtrl::GetCount 
 512 unsigned int wxTreeCtrl::GetIndent () const 
 516     ::WinSendMsg( GetHWND() 
 519                  ,(MPARAM
)(USHORT
)sizeof(CNRINFO
) 
 521     return (unsigned int)vCnrInfo
.cxTreeIndent
; 
 522 } // end of wxTreeCtrl::GetIndent 
 524 void wxTreeCtrl::SetIndent ( 
 530     ::WinSendMsg( GetHWND() 
 533                  ,(MPARAM
)(USHORT
)sizeof(CNRINFO
) 
 535     vCnrInfo
.cxTreeIndent 
= (LONG
)uIndent
; 
 536     ::WinSendMsg( GetHWND() 
 539                  ,(MPARAM
)CMA_CXTREEINDENT
 
 541 } // end of wxTreeCtrl::SetIndent 
 543 wxImageList
* wxTreeCtrl::GetImageList () const 
 545     return m_pImageListNormal
; 
 546 } // end of wxTreeCtrl::GetImageList 
 548 #if WXWIN_COMPATIBILITY_2_4 
 550 wxImageList
* wxTreeCtrl::GetImageList(int nVal
) const 
 552     return GetImageList(); 
 555 void wxTreeCtrl::SetImageList(wxImageList
* pImageList
, int nVal
) 
 557     SetImageList(pImageList
); 
 560 int wxTreeCtrl::GetItemSelectedImage(const wxTreeItemId
& rItem
) const 
 562     return GetItemImage(rItem
, wxTreeItemIcon_Selected
); 
 565 void wxTreeCtrl::SetItemSelectedImage(const wxTreeItemId
& rItem
, int nImage
) 
 567     SetItemImage(rItem
, nImage
, wxTreeItemIcon_Selected
); 
 570 #endif // WXWIN_COMPATIBILITY_2_4 
 572 wxImageList
* wxTreeCtrl::GetStateImageList () const 
 574     return m_pImageListNormal
; 
 575 } // end of wxTreeCtrl::GetStateImageList 
 578 // The SETS of imagelists really do nothing under OS2 as a RECORDCORE 
 579 // struct has the icon imbedded in it that it uses for the icon being 
 580 // displayed via the TREEITEMDESC member.  Provided for interface 
 581 // compatibility only 
 583 void wxTreeCtrl::SetAnyImageList ( 
 584   wxImageList
*                      WXUNUSED(pImageList
) 
 585 , int                               WXUNUSED(nWhich
) 
 588 } // end of wxTreeCtrl::SetAnyImageList 
 590 void wxTreeCtrl::SetImageList ( 
 591   wxImageList
*                      WXUNUSED(pImageList
) 
 594     if (m_bOwnsImageListNormal
) 
 595         delete m_pImageListNormal
; 
 596     m_bOwnsImageListNormal 
= false; 
 597 } // end of wxTreeCtrl::SetImageList 
 599 void wxTreeCtrl::SetStateImageList ( 
 600   wxImageList
*                      WXUNUSED(pImageList
) 
 603     if (m_bOwnsImageListState
) 
 604         delete m_pImageListState
; 
 605     m_bOwnsImageListState 
= false; 
 606 } // end of wxTreeCtrl::SetStateImageList 
 608 void wxTreeCtrl::AssignImageList ( 
 609   wxImageList
*                      WXUNUSED(pImageList
) 
 612     m_bOwnsImageListNormal 
= true; 
 613 } // end of wxTreeCtrl::AssignImageList 
 615 void wxTreeCtrl::AssignStateImageList ( 
 616   wxImageList
*                      WXUNUSED(pImageList
) 
 619     m_bOwnsImageListState 
= true; 
 620 } // end of wxTreeCtrl::AssignStateImageList 
 622 size_t wxTreeCtrl::GetChildrenCount ( 
 623   const wxTreeItemId
&               rItem
 
 627     TraverseCounter                 
vCounter( this 
 631     return vCounter
.GetCount() - 1; 
 632 } // end of wxTreeCtrl::GetChildrenCount 
 634 // ---------------------------------------------------------------------------- 
 636 // ---------------------------------------------------------------------------- 
 638 bool wxTreeCtrl::SetBackgroundColour ( 
 639   const wxColour
&                   rColour
 
 642     ULONG                           ulColor 
= wxColourToRGB(rColour
); 
 644     if ( !wxWindowBase::SetBackgroundColour(rColour
) ) 
 646     ::WinSetPresParam( GetHWND() 
 652 } // end of wxTreeCtrl::SetBackgroundColour 
 654 bool wxTreeCtrl::SetForegroundColour ( 
 655   const wxColour
&                   rColour
 
 658     ULONG                           ulColor 
= wxColourToRGB(rColour
); 
 660     if (!wxWindowBase::SetForegroundColour(rColour
)) 
 662     ::WinSetPresParam( GetHWND() 
 668 } // end of wxTreeCtrl::SetForegroundColour 
 670 // ---------------------------------------------------------------------------- 
 672 // ---------------------------------------------------------------------------- 
 674 wxString 
wxTreeCtrl::GetItemText ( 
 675   const wxTreeItemId
&               rItem
 
 678     wxChar                          zBuf
[512];  // the size is arbitrary... 
 679     wxTreeViewItem                  
vTvItem(rItem
); 
 681     if (!DoGetItem(&vTvItem
)) 
 684         // Don't return some garbage which was on stack, but an empty string 
 689         strcpy(zBuf
, vTvItem
.m_vRecord
.pszTree
); 
 690     return wxString(zBuf
); 
 691 } // end of wxTreeCtrl::GetItemText 
 693 void wxTreeCtrl::SetItemText ( 
 694   const wxTreeItemId
&               rItem
 
 695 , const wxString
&                   rsText
 
 698     wxTreeViewItem                  
vTvItem(rItem
); 
 700     vTvItem
.m_vRecord
.pszTree 
= (wxChar 
*)rsText
.c_str();  // conversion is ok 
 702 } // end of wxTreeCtrl::SetItemText 
 705 // These functions under OS/2 PM are not needed.  OS/2 containers in tree view 
 706 // provide for storing a custom expanded and collapsed icons and selected 
 707 // and non selected icons, natively.  For instance, by default, a disk display 
 708 // will display a tree list of folder icons with "+" icons (collapsed) beside 
 709 // those folder which contain child members.  Double clicking a folder changes 
 710 // the closed folder icon to an open folder icon with hatched selection 
 711 // highlighting indicating an ICON view container of the folder is open 
 712 // elsewhere on the desktop.  So the below is not really needed, but we will 
 713 // simply return the appropriate icon requested out of OS/2's native PM 
 716 int wxTreeCtrl::DoGetItemImageFromData ( 
 717   const wxTreeItemId
&               WXUNUSED(rItem
) 
 718 , wxTreeItemIcon                    nWhich
 
 722     // Image handles stored in CNRINFO. 
 726     ::WinSendMsg( GetHWND() 
 729                  ,(MPARAM
)(USHORT
)sizeof(CNRINFO
) 
 733     // We really only have two to chose from.  If not custom (set in CNRINFO 
 734     // then return the handle to system bitmap).  OS/2 automatically provides 
 735     // in_use and selected bitmaps/icons 
 739         case wxTreeItemIcon_Normal
: 
 740             if (vCnrInfo
.hbmCollapsed 
== NULLHANDLE
) 
 741                 return (int)::WinGetSysBitmap(HWND_DESKTOP
, SBMP_TREEPLUS
); 
 742             return vCnrInfo
.hbmCollapsed
; 
 745         case wxTreeItemIcon_Expanded
: 
 746             if (vCnrInfo
.hbmExpanded 
== NULLHANDLE
) 
 747                 return (int)::WinGetSysBitmap(HWND_DESKTOP
, SBMP_TREEMINUS
); 
 748             return vCnrInfo
.hbmExpanded
; 
 751             return vCnrInfo
.hbmCollapsed
; 
 755 void wxTreeCtrl::DoSetItemImageFromData ( 
 756   const wxTreeItemId
&               WXUNUSED(rItem
) 
 758 , wxTreeItemIcon                    nWhich
 
 762     // Image handles stored in CNRINFO. 
 766     ::WinSendMsg( GetHWND() 
 769                  ,(MPARAM
)(USHORT
)sizeof(CNRINFO
) 
 771     if (nWhich 
== wxTreeItemIcon_Normal
) 
 772          vCnrInfo
.hbmCollapsed 
= (HBITMAP
)nImage
; 
 773     if (nWhich 
== wxTreeItemIcon_Expanded
) 
 774         vCnrInfo
.hbmExpanded 
= (HBITMAP
)nImage
; 
 775     ::WinSendMsg( GetHWND() 
 778                  ,(MPARAM
)CMA_TREEBITMAP
 
 780 } // end of wxTreeCtrl::DoSetItemImageFromData 
 783 void wxTreeCtrl::DoSetItemImages ( 
 784   const wxTreeItemId
&               rItem
 
 789 } // end of wxTreeCtrl::DoSetItemImages 
 791 int wxTreeCtrl::GetItemImage ( 
 792   const wxTreeItemId
&               rItem
 
 793 , wxTreeItemIcon                    nWhich
 
 796     if (HasIndirectData(rItem
)) 
 798         return DoGetItemImageFromData( rItem
 
 805     ::WinSendMsg( GetHWND() 
 808                  ,(MPARAM
)(USHORT
)sizeof(CNRINFO
) 
 813             wxFAIL_MSG( wxT("unknown tree item image type") ); 
 815         case wxTreeItemIcon_Normal
: 
 816             if (vCnrInfo
.hbmCollapsed 
== NULLHANDLE
) 
 817                 return (int)::WinGetSysBitmap(HWND_DESKTOP
, SBMP_TREEPLUS
); 
 818             return vCnrInfo
.hbmCollapsed
; 
 821         case wxTreeItemIcon_Expanded
: 
 822             if (vCnrInfo
.hbmExpanded 
== NULLHANDLE
) 
 823                 return (int)::WinGetSysBitmap(HWND_DESKTOP
, SBMP_TREEMINUS
); 
 824             return vCnrInfo
.hbmExpanded
; 
 826         case wxTreeItemIcon_Selected
: 
 827         case wxTreeItemIcon_SelectedExpanded
: 
 832 void wxTreeCtrl::SetItemImage ( 
 833   const wxTreeItemId
&               WXUNUSED(rItem
) 
 835 , wxTreeItemIcon                    nWhich
 
 840     ::WinSendMsg( GetHWND() 
 843                  ,(MPARAM
)(USHORT
)sizeof(CNRINFO
) 
 847         case wxTreeItemIcon_Normal
: 
 848             vCnrInfo
.hbmCollapsed 
= (HBITMAP
)nImage
; 
 851         case wxTreeItemIcon_Expanded
: 
 852             vCnrInfo
.hbmExpanded 
= (HBITMAP
)nImage
; 
 856             wxFAIL_MSG( wxT("unknown tree item image type") ); 
 858     ::WinSendMsg( GetHWND() 
 861                  ,(MPARAM
)CMA_TREEBITMAP
 
 863 } // end of wxTreeCtrl::SetItemImage 
 865 wxTreeItemData
* wxTreeCtrl::GetItemData ( 
 866   const wxTreeItemId
&               rItem
 
 869     wxTreeViewItem                  
vTvItem(rItem
); 
 871     if (!DoGetItem(&vTvItem
)) 
 876     return (wxTreeItemData 
*)vTvItem
.m_ulUserData
; 
 877 } // end of wxTreeCtrl::GetItemData 
 879 void wxTreeCtrl::SetItemData ( 
 880   const wxTreeItemId
&               rItem
 
 881 , wxTreeItemData
*                   pData
 
 885     // first, associate this piece of data with this item 
 891     wxTreeViewItem                  
vTvItem(rItem
); 
 893     vTvItem
.m_ulUserData 
= (ULONG
)pData
; 
 895 } // end of wxTreeCtrl::SetItemData 
 897 // The following two do nothing under OS/2 
 898 void wxTreeCtrl::SetIndirectItemData ( 
 899   const wxTreeItemId
&               WXUNUSED(rItem
) 
 900 , wxTreeItemIndirectData
*           WXUNUSED(pData
) 
 903 } // end of wxTreeCtrl::SetIndirectItemData 
 905 bool wxTreeCtrl::HasIndirectData ( 
 906   const wxTreeItemId
&               WXUNUSED(rItem
) 
 910 } // end of wxTreeCtrl::HasIndirectData 
 912 // Irreleveant under OS/2 --- item either has child records or it doesn't. 
 913 void wxTreeCtrl::SetItemHasChildren ( 
 914   const wxTreeItemId
&               WXUNUSED(rItem
) 
 915 , bool                              WXUNUSED(bHas
) 
 918 } // end of wxTreeCtrl::SetItemHasChildren 
 920 // Irreleveant under OS/2 --- function of the font in PM 
 921 void wxTreeCtrl::SetItemBold ( 
 922   const wxTreeItemId
&               WXUNUSED(rItem
) 
 923 , bool                              WXUNUSED(bBold
) 
 926 } // end of wxTreeCtrl::SetItemBold 
 928 void wxTreeCtrl::SetItemDropHighlight ( 
 929   const wxTreeItemId
&               rItem
 
 933     wxTreeViewItem                  
vTvItem(rItem
); 
 935     ::WinSendMsg( GetHWND() 
 936                  ,CM_SETRECORDEMPHASIS
 
 938                  ,MPFROM2SHORT(bHighlight
, CRA_SELECTED
) 
 941 } // end of wxTreeCtrl::SetItemDropHighlight 
 943 void wxTreeCtrl::RefreshItem ( 
 944   const wxTreeItemId
&               rItem
 
 947     wxTreeViewItem                  
vTvItem(rItem
); 
 950     // This just does a record invalidate causing it to be re-displayed 
 953 } // end of wxTreeCtrl::RefreshItem 
 955 wxColour 
wxTreeCtrl::GetItemTextColour ( 
 956   const wxTreeItemId
&               rItem
 
 959     long                            lId 
= (long)rItem
.m_pItem
; 
 960     wxTreeItemAttr
*                 pAttr 
= (wxTreeItemAttr 
*)m_vAttrs
.Get(lId
); 
 966     return pAttr
->GetTextColour(); 
 967 } // end of wxTreeCtrl::GetItemTextColour 
 969 wxColour 
wxTreeCtrl::GetItemBackgroundColour ( 
 970   const wxTreeItemId
&               rItem
 
 973     long                            lId 
= (long)rItem
.m_pItem
; 
 974     wxTreeItemAttr
*                 pAttr 
= (wxTreeItemAttr 
*)m_vAttrs
.Get(lId
); 
 980     return pAttr
->GetBackgroundColour(); 
 981 } // end of wxTreeCtrl::GetItemBackgroundColour 
 983 wxFont 
wxTreeCtrl::GetItemFont ( 
 984   const wxTreeItemId
&               rItem
 
 987     long                            lId 
= (long)rItem
.m_pItem
; 
 988     wxTreeItemAttr
*                 pAttr 
= (wxTreeItemAttr 
*)m_vAttrs
.Get(lId
); 
 994     return pAttr
->GetFont(); 
 995 } // end of wxTreeCtrl::GetItemFont 
 997 void wxTreeCtrl::SetItemTextColour ( 
 998   const wxTreeItemId
&               rItem
 
 999 , const wxColour
&                   rCol
 
1002     m_bHasAnyAttr 
= true; 
1004     long                            lId 
= (long)rItem
.m_pItem
; 
1005     wxTreeItemAttr
*                 pAttr 
= (wxTreeItemAttr 
*)m_vAttrs
.Get(lId
); 
1009         pAttr 
= new wxTreeItemAttr
; 
1010         m_vAttrs
.Put(lId
, (wxObject 
*)pAttr
); 
1012     pAttr
->SetTextColour(rCol
); 
1014 } // end of wxTreeCtrl::SetItemTextColour 
1016 void wxTreeCtrl::SetItemBackgroundColour ( 
1017   const wxTreeItemId
&               rItem
 
1018 , const wxColour
&                   rCol
 
1021     m_bHasAnyAttr 
= true; 
1023     long                            lId 
= (long)rItem
.m_pItem
; 
1024     wxTreeItemAttr
*                 pAttr 
= (wxTreeItemAttr 
*)m_vAttrs
.Get(lId
); 
1028         pAttr 
= new wxTreeItemAttr
; 
1029         m_vAttrs
.Put(lId
, (wxObject 
*)pAttr
); 
1031     pAttr
->SetBackgroundColour(rCol
); 
1033 } // end of wxTreeCtrl::SetItemBackgroundColour 
1035 void wxTreeCtrl::SetItemFont ( 
1036   const wxTreeItemId
&               rItem
 
1037 , const wxFont
&                     rFont
 
1040     m_bHasAnyAttr 
= true; 
1042     long                            lId 
= (long)rItem
.m_pItem
; 
1043     wxTreeItemAttr
*                 pAttr 
= (wxTreeItemAttr 
*)m_vAttrs
.Get(lId
); 
1047         pAttr 
= new wxTreeItemAttr
; 
1048         m_vAttrs
.Put(lId
, (wxObject 
*)pAttr
); 
1050     pAttr
->SetFont(rFont
); 
1052 } // end of wxTreeCtrl::SetItemFont 
1054 // ---------------------------------------------------------------------------- 
1056 // ---------------------------------------------------------------------------- 
1058 bool wxTreeCtrl::IsVisible ( 
1059   const wxTreeItemId
&               rItem
 
1062     // Bug in Gnu-Win32 headers, so don't use the macro TreeView_GetItemRect 
1064     RECTL                           vRectContainer
; 
1065     wxRect                          vWxRectRecord
; 
1066     wxRect                          vWxRectContainer
; 
1067     PMYRECORD                       pRecord 
= FindOS2TreeRecordByID ( GetHWND() 
1070     QUERYRECORDRECT                 vQuery
; 
1072     vQuery
.cb                
= sizeof(QUERYRECORDRECT
); 
1073     vQuery
.pRecord           
= (PRECORDCORE
)pRecord
; 
1074     vQuery
.fRightSplitWindow 
= FALSE
; 
1075     vQuery
.fsExtent          
= CMA_TREEICON
; 
1077     ::WinSendMsg( GetHWND() 
1078                  ,CM_QUERYVIEWPORTRECT
 
1079                  ,MPFROMP(&vRectContainer
) 
1080                  ,MPFROM2SHORT(CMA_WINDOW
, FALSE
) 
1082     ::WinSendMsg( GetHWND() 
1084                  ,MPFROMP(&vRectRecord
) 
1087     vWxRectRecord
.SetLeft(vRectRecord
.xLeft
); 
1088     vWxRectRecord
.SetTop(vRectRecord
.yTop
); 
1089     vWxRectRecord
.SetRight(vRectRecord
.xRight
); 
1090     vWxRectRecord
.SetBottom(vRectRecord
.yBottom
); 
1092     vWxRectContainer
.SetLeft(vRectContainer
.xLeft
); 
1093     vWxRectContainer
.SetTop(vRectContainer
.yTop
); 
1094     vWxRectContainer
.SetRight(vRectContainer
.xRight
); 
1095     vWxRectContainer
.SetBottom(vRectContainer
.yBottom
); 
1096     return (vWxRectContainer
.Inside(wxPoint(vWxRectRecord
.x
, vWxRectRecord
.y
))); 
1097 } // end of wxTreeCtrl::IsVisible 
1099 bool wxTreeCtrl::ItemHasChildren ( 
1100   const wxTreeItemId
&               rItem
 
1103     wxTreeViewItem                  
vTvItem(rItem
); 
1104     DoGetItem(&vTvItem
); 
1107     // A tree record with children will have one of these attributes 
1109     return (vTvItem
.m_vRecord
.flRecordAttr 
& CRA_EXPANDED 
|| 
1110             vTvItem
.m_vRecord
.flRecordAttr 
& CRA_COLLAPSED
) != 0; 
1113 bool wxTreeCtrl::IsExpanded ( 
1114   const wxTreeItemId
&               rItem
 
1117     wxTreeViewItem                  
vTvItem(rItem
); 
1118     DoGetItem(&vTvItem
); 
1120     return (vTvItem
.m_vRecord
.flRecordAttr 
& CRA_EXPANDED
) != 0; 
1121 } // end of wxTreeCtrl::IsExpanded 
1123 bool wxTreeCtrl::IsSelected ( 
1124   const wxTreeItemId
&               rItem
 
1127     wxTreeViewItem                  
vTvItem(rItem
); 
1128     DoGetItem(&vTvItem
); 
1130     return (vTvItem
.m_vRecord
.flRecordAttr 
& CRA_SELECTED
) != 0; 
1131 } // end of wxTreeCtrl::IsSelected 
1134 bool wxTreeCtrl::IsBold ( 
1135   const wxTreeItemId
&               rItem
 
1139 } // end of wxTreeCtrl::IsBold 
1141 // ---------------------------------------------------------------------------- 
1143 // ---------------------------------------------------------------------------- 
1145 wxTreeItemId 
wxTreeCtrl::GetRootItem () const 
1147     PMYRECORD                       pRecord 
= NULL
; 
1149     pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( GetHWND() 
1152                                                   ,MPFROM2SHORT(CMA_FIRST
, CMA_ITEMORDER
) 
1156         return wxTreeItemId(-1L); 
1157     return wxTreeItemId((long)pRecord
->m_ulItemId
); 
1158 } // end of wxTreeCtrl::GetRootItem 
1160 wxTreeItemId 
wxTreeCtrl::GetSelection () const 
1162     wxCHECK_MSG( !(m_windowStyle 
& wxTR_MULTIPLE
), (long)(WXHTREEITEM
)0, 
1163                  wxT("this only works with single selection controls") ); 
1165     PMYRECORD                       pRecord 
= NULL
; 
1167     pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( GetHWND() 
1168                                                   ,CM_QUERYRECORDEMPHASIS
 
1170                                                   ,MPARAM(CRA_SELECTED
) 
1173         return wxTreeItemId(-1L); 
1174     return wxTreeItemId((long)pRecord
->m_ulItemId
); 
1175 } // end of wxTreeCtrl::GetSelection 
1177 wxTreeItemId 
wxTreeCtrl::GetItemParent ( 
1178   const wxTreeItemId
&               rItem
 
1181     PMYRECORD                       pRecord 
= FindOS2TreeRecordByID ( GetHWND() 
1186         return wxTreeItemId(-1L); 
1187     pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( GetHWND() 
1190                                                   ,MPFROM2SHORT(CMA_PARENT
, CMA_ITEMORDER
) 
1193         return wxTreeItemId(-1L); 
1194     return wxTreeItemId((long)pRecord
->m_ulItemId
); 
1195 } // end of wxTreeCtrl::GetItemParent 
1197 wxTreeItemId 
wxTreeCtrl::GetFirstChild ( 
1198   const wxTreeItemId
&               rItem
 
1202     PMYRECORD                       pRecord 
= FindOS2TreeRecordByID ( GetHWND() 
1207         return wxTreeItemId(-1L); 
1208     pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( GetHWND() 
1211                                                   ,MPFROM2SHORT(CMA_FIRSTCHILD
, CMA_ITEMORDER
) 
1214         return wxTreeItemId(-1L); 
1216     // Remember the last child returned in 'cookie' 
1218     rCookie 
= (long)pRecord
->m_ulItemId
; 
1219     return wxTreeItemId(rCookie
); 
1220 } // end of wxTreeCtrl::GetFirstChild 
1222 wxTreeItemId 
wxTreeCtrl::GetNextChild ( 
1223   const wxTreeItemId
&               WXUNUSED(rItem
) 
1227     PMYRECORD                       pRecord 
= FindOS2TreeRecordByID ( GetHWND() 
1232         return wxTreeItemId(-1L); 
1233     pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( GetHWND() 
1236                                                   ,MPFROM2SHORT(CMA_NEXT
, CMA_ITEMORDER
) 
1239         return wxTreeItemId(-1L); 
1240     rCookie 
= (long)pRecord
->m_ulItemId
; 
1241     return wxTreeItemId(rCookie
); 
1242 } // end of wxTreeCtrl::GetNextChild 
1244 wxTreeItemId 
wxTreeCtrl::GetLastChild ( 
1245   const wxTreeItemId
&               rItem
 
1248     PMYRECORD                       pRecord 
= FindOS2TreeRecordByID ( GetHWND() 
1253         return wxTreeItemId(-1L); 
1254     pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( GetHWND() 
1257                                                   ,MPFROM2SHORT(CMA_LASTCHILD
, CMA_ITEMORDER
) 
1260         return wxTreeItemId(-1L); 
1261     return wxTreeItemId((long)pRecord
->m_ulItemId
); 
1262 } // end of wxTreeCtrl::GetLastChild 
1264 wxTreeItemId 
wxTreeCtrl::GetNextSibling ( 
1265   const wxTreeItemId
&               rItem
 
1268     PMYRECORD                       pRecord 
= FindOS2TreeRecordByID ( GetHWND() 
1273         return wxTreeItemId(-1L); 
1274     pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( GetHWND() 
1277                                                   ,MPFROM2SHORT(CMA_NEXT
, CMA_ITEMORDER
) 
1280         return wxTreeItemId(-1L); 
1281     return wxTreeItemId((long)pRecord
->m_ulItemId
); 
1282 } // end of wxTreeCtrl::GetNextSibling 
1284 wxTreeItemId 
wxTreeCtrl::GetPrevSibling ( 
1285   const wxTreeItemId
&               rItem
 
1288     PMYRECORD                       pRecord 
= FindOS2TreeRecordByID ( GetHWND() 
1293         return wxTreeItemId(-1L); 
1294     pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( GetHWND() 
1297                                                   ,MPFROM2SHORT(CMA_PREV
, CMA_ITEMORDER
) 
1300         return wxTreeItemId(-1L); 
1301     return wxTreeItemId((long)pRecord
->m_ulItemId
); 
1302 } // end of wxTreeCtrl::GetPrevSibling 
1304 wxTreeItemId 
wxTreeCtrl::GetFirstVisibleItem () const 
1306     PMYRECORD                       pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( GetHWND() 
1309                                                                                   ,MPFROM2SHORT(CMA_FIRST
, CMA_ITEMORDER
) 
1312         return wxTreeItemId(-1L); 
1314     if (IsVisible(wxTreeItemId((long)pRecord
->m_ulItemId
))) 
1315         return wxTreeItemId((long)pRecord
->m_ulItemId
); 
1318         pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( GetHWND() 
1321                                                       ,MPFROM2SHORT(CMA_NEXT
, CMA_ITEMORDER
) 
1324             return wxTreeItemId(-1L); 
1325         if (IsVisible(wxTreeItemId((long)pRecord
->m_ulItemId
))) 
1326             return wxTreeItemId((long)pRecord
->m_ulItemId
); 
1328     return wxTreeItemId(-1L); 
1329 } // end of wxTreeCtrl::GetFirstVisibleItem 
1331 wxTreeItemId 
wxTreeCtrl::GetNextVisible ( 
1332   const wxTreeItemId
&               rItem
 
1335     wxASSERT_MSG(IsVisible(rItem
), wxT("The item you call GetNextVisible() for must be visible itself!")); 
1337     PMYRECORD                       pRecord 
= FindOS2TreeRecordByID ( GetHWND() 
1342         return wxTreeItemId(-1L); 
1345         pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( GetHWND() 
1348                                                       ,MPFROM2SHORT(CMA_NEXT
, CMA_ITEMORDER
) 
1351             return wxTreeItemId(-1L); 
1352         if (IsVisible(wxTreeItemId((long)pRecord
->m_ulItemId
))) 
1353             return wxTreeItemId((long)pRecord
->m_ulItemId
); 
1355     return wxTreeItemId(-1L); 
1356 } // end of wxTreeCtrl::GetNextVisible 
1358 wxTreeItemId 
wxTreeCtrl::GetPrevVisible ( 
1359   const wxTreeItemId
&               rItem
 
1362     wxASSERT_MSG( IsVisible(rItem
), wxT("The item you call GetPrevVisible() for must be visible itself!")); 
1364     PMYRECORD                       pRecord 
= FindOS2TreeRecordByID ( GetHWND() 
1369         return wxTreeItemId(-1L); 
1372         pRecord 
= (PMYRECORD
)PVOIDFROMMR(::WinSendMsg( GetHWND() 
1375                                                       ,MPFROM2SHORT(CMA_PREV
, CMA_ITEMORDER
) 
1378             return wxTreeItemId(-1L); 
1379         if (IsVisible(wxTreeItemId((long)pRecord
->m_ulItemId
))) 
1380             return wxTreeItemId((long)pRecord
->m_ulItemId
); 
1382     return wxTreeItemId(-1L); 
1383 } // end of wxTreeCtrl::GetPrevVisible 
1385 // ---------------------------------------------------------------------------- 
1386 // multiple selections emulation -- under OS/2 checked tree items is not 
1387 // supported, but multisel is.  So we'll just check for selections here. 
1388 // ---------------------------------------------------------------------------- 
1390 bool wxTreeCtrl::IsItemChecked ( 
1391   const wxTreeItemId
&               rItem
 
1394     wxTreeViewItem                  
vTvItem(rItem
); 
1396     DoGetItem(&vTvItem
); 
1397     return (vTvItem
.m_vRecord
.flRecordAttr 
& CRA_SELECTED
); 
1398 } // end of wxTreeCtrl::IsItemChecked 
1400 void wxTreeCtrl::SetItemCheck ( 
1401   const wxTreeItemId
&               rItem
 
1405     wxTreeViewItem                  
vTvItem(rItem
); 
1407     DoGetItem(&vTvItem
); 
1408     ::WinSendMsg( GetHWND() 
1409                  ,CM_SETRECORDEMPHASIS
 
1411                  ,MPFROM2SHORT(TRUE
, CRA_SELECTED
) 
1413     DoSetItem(&vTvItem
); 
1414 } // end of wxTreeCtrl::SetItemCheck 
1416 size_t wxTreeCtrl::GetSelections ( 
1417   wxArrayTreeItemIds
&               raSelections
 
1420     TraverseSelections              
vSelector( this 
1423     return vSelector
.GetCount(); 
1424 } // end of wxTreeCtrl::GetSelections 
1426 // ---------------------------------------------------------------------------- 
1428 // ---------------------------------------------------------------------------- 
1430 wxTreeItemId 
wxTreeCtrl::DoInsertItem ( 
1431   const wxTreeItemId
&               rParent
 
1432 , wxTreeItemId                      vInsertAfter
 
1433 , const wxString
&                   rsText
 
1436 , wxTreeItemData
*                   pData
 
1439     PMYRECORD                       pRecordAfter 
= FindOS2TreeRecordByID( GetHWND() 
1440                                                                          ,vInsertAfter
.m_pItem
 
1443     PMYRECORD                       pRecordParent 
= FindOS2TreeRecordByID( GetHWND() 
1447     PMYRECORD                       pRecord 
= (PMYRECORD
)::WinSendMsg( GetHWND() 
1449                                                                       ,MPFROMLONG(sizeof(MYRECORD
) - sizeof(RECORDCORE
)) 
1452     RECORDINSERT                    vInsert
; 
1454     vInsert
.cb                
= sizeof(RECORDINSERT
); 
1455     if (rParent
.m_pItem 
== 0L) 
1457         if (vInsertAfter
.m_pItem 
== -1) 
1458             vInsert
.pRecordOrder      
= (PRECORDCORE
)CMA_END
; 
1460             vInsert
.pRecordOrder      
= (PRECORDCORE
)CMA_FIRST
; 
1461         vInsert
.pRecordParent     
= NULL
; 
1465         if (vInsertAfter
.m_pItem 
== 0) 
1466             vInsert
.pRecordOrder      
= (PRECORDCORE
)CMA_FIRST
; 
1467         else if (vInsertAfter
.m_pItem 
== -1) 
1468             vInsert
.pRecordOrder      
= (PRECORDCORE
)CMA_END
; 
1470             vInsert
.pRecordOrder  
= (PRECORDCORE
)pRecordAfter
; 
1471         vInsert
.pRecordParent     
= (PRECORDCORE
)pRecordParent
; 
1473     vInsert
.fInvalidateRecord 
= TRUE
; 
1474     vInsert
.zOrder            
= CMA_TOP
; 
1475     vInsert
.cRecordsInsert    
= 1; 
1477     pRecord
->m_vRecord
.pszTree   
= (wxChar
*)rsText
.c_str(); 
1478     pRecord
->m_vRecord
.hbmBitmap 
= nImage
; 
1479     pRecord
->m_ulItemId 
= pRecordAfter
->m_ulItemId 
+ 1; 
1482         pRecord
->m_ulUserData 
= (ULONG
)pData
; 
1484     ::WinSendMsg( GetHWND() 
1491     // OS/2 must mannually bump the index's of following records 
1493     BumpTreeRecordIds( GetHWND() 
1499         // Associate the application tree item with PM tree item handle 
1501         pData
->SetId((long)pRecord
->m_ulItemId
); 
1503     return wxTreeItemId((long)pRecord
->m_ulItemId
); 
1506 #if WXWIN_COMPATIBILITY_2_4 
1508 // for compatibility only 
1509 wxTreeItemId 
wxTreeCtrl::InsertItem ( 
1510   const wxTreeItemId
&               rParent
 
1511 , const wxString
&                   rsText
 
1517     return DoInsertItem( rParent
 
1518                         ,wxTreeItemId(lInsertAfter
) 
1524 } // end of wxTreeCtrl::InsertItem 
1526 #endif // WXWIN_COMPATIBILITY_2_4 
1528 wxTreeItemId 
wxTreeCtrl::AddRoot ( 
1529   const wxString
&                   rsText
 
1531 , int                               nSelectedImage
 
1532 , wxTreeItemData
*                   pData
) 
1535     return DoInsertItem( wxTreeItemId((long)0) 
1536                         ,wxTreeItemId((long)-1) 
1542 } // end of wxTreeCtrl::AddRoot 
1544 wxTreeItemId 
wxTreeCtrl::PrependItem ( 
1545   const wxTreeItemId
&               rParent
 
1546 , const wxString
&                   rsText
 
1548 , int                               nSelectedImage
 
1549 , wxTreeItemData
*                   pData
 
1552     return DoInsertItem( rParent
 
1553                         ,wxTreeItemId((long)0) 
1559 } // end of wxTreeCtrl::PrependItem 
1561 wxTreeItemId 
wxTreeCtrl::InsertItem ( 
1562   const wxTreeItemId
&               rParent
 
1563 , const wxTreeItemId
&               rIdPrevious
 
1564 , const wxString
&                   rsText
 
1566 , int                               nSelectedImage
 
1567 , wxTreeItemData
*                   pData
 
1570     return DoInsertItem( rParent
 
1577 } // end of wxTreeCtrl::InsertItem 
1579 wxTreeItemId 
wxTreeCtrl::InsertItem ( 
1580   const wxTreeItemId
&               rParent
 
1582 , const wxString
&                   rsText
 
1584 , int                               nSelectedImage
 
1585 , wxTreeItemData
*                   pData
 
1588     return DoInsertItem( rParent
 
1589                         ,wxTreeItemId((long)nIndex
) 
1595 } // end of wxTreeCtrl::InsertItem 
1597 wxTreeItemId 
wxTreeCtrl::AppendItem ( 
1598   const wxTreeItemId
&               rParent
 
1599 , const wxString
&                   rsText
 
1601 , int                               nSelectedImage
 
1602 , wxTreeItemData
*                   pData
 
1605     return DoInsertItem( rParent
 
1606                         ,wxTreeItemId((long)-1) 
1612 } // end of wxTreeCtrl::AppendItem 
1614 void wxTreeCtrl::Delete ( 
1615   const wxTreeItemId
&               rItem
 
1619     // OS/2 does not generate DELETEITEM events so do it here 
1621     wxEventType                     vEventType 
= wxEVT_NULL
; 
1622     wxTreeEvent                     
vEvent( wxEVT_NULL
 
1625     PMYRECORD                       pRecord 
= FindOS2TreeRecordByID( GetHWND() 
1628     vEvent
.SetEventObject(this); 
1629     ::WinSendMsg( GetHWND() 
1632                  ,(MPARAM
)(CMA_FREE 
| CMA_INVALIDATE
) 
1634     vEvent
.m_item 
= rItem
.m_pItem
; 
1637         delete (wxTreeItemAttr 
*)m_vAttrs
.Delete((long)rItem
.m_pItem
); 
1639     vEvent
.SetEventType(vEventType
); 
1640     GetEventHandler()->ProcessEvent(vEvent
); 
1641 } // end of wxTreeCtrl::Delete 
1643 // delete all children (but don't delete the item itself) 
1644 void wxTreeCtrl::DeleteChildren ( 
1645   const wxTreeItemId
&               rItem
 
1649     wxArrayLong                     aChildren
; 
1650     wxTreeItemId                    vChild 
= GetFirstChild( rItem
 
1654     while (vChild
.IsOk()) 
1656         aChildren
.Add((long)(WXHTREEITEM
)vChild
); 
1657         vChild 
= GetNextChild( rItem
 
1662     size_t                          nCount 
= aChildren
.Count(); 
1664     for (size_t n 
= 0; n 
< nCount
; n
++) 
1666         Delete(aChildren
[n
]); 
1668 } // end of wxTreeCtrl::DeleteChildren 
1670 void wxTreeCtrl::DeleteAllItems () 
1672     ::WinSendMsg( GetHWND() 
1675                  ,(MPARAM
)(CMA_FREE 
| CMA_INVALIDATE
) 
1677 } // end of wxTreeCtrl::DeleteAllItems 
1679 void wxTreeCtrl::DoExpand ( 
1680   const wxTreeItemId
&               rItem
 
1684     PMYRECORD                       pRecord 
= FindOS2TreeRecordByID( GetHWND() 
1689         case wxTREE_EXPAND_EXPAND
: 
1690             ::WinSendMsg( GetHWND() 
1697         case wxTREE_EXPAND_COLLAPSE
: 
1698             ::WinSendMsg( GetHWND() 
1705         case wxTREE_EXPAND_COLLAPSE_RESET
: 
1706             ::WinSendMsg( GetHWND() 
1711             DeleteChildren(rItem
); 
1714         case wxTREE_EXPAND_TOGGLE
: 
1715             if (pRecord
->m_vRecord
.flRecordAttr 
& CRA_COLLAPSED
) 
1716                 ::WinSendMsg( GetHWND() 
1721             else if (pRecord
->m_vRecord
.flRecordAttr 
& CRA_EXPANDED
) 
1722                 ::WinSendMsg( GetHWND() 
1730 } // end of wxTreeCtrl::DoExpand 
1732 void wxTreeCtrl::Expand ( 
1733   const wxTreeItemId
&               rItem
 
1737              ,wxTREE_EXPAND_EXPAND
 
1739 } // end of wxTreeCtrl::Expand 
1741 void wxTreeCtrl::Collapse ( 
1742   const wxTreeItemId
&               rItem
 
1746              ,wxTREE_EXPAND_COLLAPSE
 
1748 } // end of wxTreeCtrl::Collapse 
1750 void wxTreeCtrl::CollapseAndReset ( 
1751   const wxTreeItemId
&               rItem
 
1755              ,wxTREE_EXPAND_COLLAPSE_RESET
 
1757 } // end of wxTreeCtrl::CollapseAndReset 
1759 void wxTreeCtrl::Toggle ( 
1760   const wxTreeItemId
&               rItem
 
1764              ,wxTREE_EXPAND_TOGGLE
 
1766 } // end of wxTreeCtrl::Toggle 
1768 #if WXWIN_COMPATIBILITY_2_4 
1770 void wxTreeCtrl::ExpandItem ( 
1771   const wxTreeItemId
&               rItem
 
1778 } // end of wxTreeCtrl::ExpandItem 
1780 #endif // WXWIN_COMPATIBILITY_2_4 
1782 void wxTreeCtrl::Unselect () 
1784     wxASSERT_MSG( !(m_windowStyle 
& wxTR_MULTIPLE
), 
1785                   wxT("doesn't make sense, may be you want UnselectAll()?") ); 
1788     // Just remove the selection 
1790     SelectItem(wxTreeItemId((long)0)); 
1791 } // end of wxTreeCtrl::Unselect 
1793 void wxTreeCtrl::UnselectAll () 
1795     if (m_windowStyle 
& wxTR_MULTIPLE
) 
1797         wxArrayTreeItemIds          aSelections
; 
1798         size_t                      nCount 
= GetSelections(aSelections
); 
1800         for (size_t n 
= 0; n 
< nCount
; n
++) 
1802             SetItemCheck( aSelections
[n
] 
1810         // Just remove the selection 
1814 } // end of wxTreeCtrl::UnselectAll 
1816 void wxTreeCtrl::SelectItem ( 
1817   const wxTreeItemId
&               rItem
 
1820     SetItemCheck(rItem
); 
1821 } // end of wxTreeCtrl::SelectItem 
1823 void wxTreeCtrl::EnsureVisible ( 
1824   const wxTreeItemId
&               rItem
 
1827     wxTreeViewItem                  
vTvItem(rItem
); 
1829     DoGetItem(&vTvItem
); 
1830     if (!::WinSendMsg( GetHWND() 
1831                       ,CM_INVALIDATERECORD
 
1833                       ,MPFROM2SHORT(1, CMA_ERASE 
| CMA_REPOSITION 
| CMA_TEXTCHANGED
) 
1835 } // end of wxTreeCtrl::EnsureVisible 
1837 void wxTreeCtrl::ScrollTo ( 
1838   const wxTreeItemId
&               rItem
 
1841     wxTreeViewItem                  
vTvItem(rItem
); 
1843     DoGetItem(&vTvItem
); 
1844     if (!::WinSendMsg( GetHWND() 
1845                       ,CM_INVALIDATERECORD
 
1847                       ,MPFROM2SHORT(1, CMA_ERASE 
| CMA_REPOSITION 
| CMA_TEXTCHANGED
) 
1851 wxTextCtrl
* wxTreeCtrl::EditLabel ( 
1852   const wxTreeItemId
&               rItem
 
1853 , wxClassInfo
*                      WXUNUSED(pTextControlClass
) 
1857     PMYRECORD                       pRecord 
= FindOS2TreeRecordByID( GetHWND() 
1861     vEdit
.cb         
= sizeof(CNREDITDATA
); 
1862     vEdit
.hwndCnr    
= GetHWND(); 
1863     vEdit
.pRecord    
= &pRecord
->m_vRecord
; 
1864     vEdit
.pFieldInfo 
= NULL
; 
1865     vEdit
.ppszText   
= NULL
; 
1869     ::WinSendMsg( GetHWND() 
1875 } // end of wxTreeCtrl::EditLabel 
1877 // End label editing, optionally cancelling the edit 
1878 void wxTreeCtrl::EndEditLabel ( 
1879   const wxTreeItemId
&               WXUNUSED(rItem
) 
1880 , bool                              WXUNUSED(bDiscardChanges
) 
1883     ::WinSendMsg( GetHWND() 
1888 } // end of wxTreeCtrl::EndEditLabel 
1890 wxTreeItemId 
wxTreeCtrl::HitTest ( 
1891   const wxPoint
&                    rPoint
 
1892 , int&                              WXUNUSED(rFlags
) 
1895     PMYRECORD                       pRecord 
= NULL
; 
1896     QUERYRECFROMRECT                vQueryRect
; 
1901     // Get height for OS/2 point conversion 
1903     ::WinSendMsg( GetHWND() 
1904                  ,CM_QUERYVIEWPORTRECT
 
1906                  ,MPFROM2SHORT(CMA_WINDOW
, TRUE
) 
1908     lHeight 
= vRect
.yTop 
- vRect
.yBottom
; 
1911     // For now just try and get a record in the general vicinity and forget 
1914     vRect
.xLeft   
= rPoint
.x 
- 2; 
1915     vRect
.xRight  
= rPoint
.x 
+ 2; 
1916     vRect
.yTop    
= (lHeight 
- rPoint
.y
) + 2; 
1917     vRect
.yBottom 
= (lHeight 
- rPoint
.y
) - 2; 
1919     vQueryRect
.cb 
= sizeof(QUERYRECFROMRECT
); 
1920     vQueryRect
.rect 
= vRect
; 
1921     vQueryRect
.fsSearch 
= CMA_PARTIAL
; 
1923     pRecord 
= (PMYRECORD
)::WinSendMsg( GetHWND() 
1924                                       ,CM_QUERYRECORDFROMRECT
 
1926                                       ,MPFROMP(&vQueryRect
) 
1931     return wxTreeItemId((long)pRecord
->m_ulItemId
); 
1932 } // end of wxTreeCtrl::HitTest 
1934 bool wxTreeCtrl::GetBoundingRect ( 
1935   const wxTreeItemId
&               rItem
 
1941     PMYRECORD                       pRecord 
= FindOS2TreeRecordByID ( GetHWND() 
1944     QUERYRECORDRECT                 vQuery
; 
1946     vQuery
.cb                
= sizeof(QUERYRECORDRECT
); 
1947     vQuery
.pRecord           
= (PRECORDCORE
)pRecord
; 
1948     vQuery
.fRightSplitWindow 
= FALSE
; 
1950         vQuery
.fsExtent          
= CMA_TEXT
; 
1952         vQuery
.fsExtent          
= CMA_TREEICON 
| CMA_TEXT
; 
1954     if (!::WinSendMsg( GetHWND() 
1956                       ,MPFROMP(&vRectRecord
) 
1960     rRect
.SetLeft(vRectRecord
.xLeft
); 
1961     rRect
.SetTop(vRectRecord
.yTop
); 
1962     rRect
.SetRight(vRectRecord
.xRight
); 
1963     rRect
.SetBottom(vRectRecord
.yBottom
); 
1965 } // end of wxTreeCtrl::GetBoundingRect 
1967 // ---------------------------------------------------------------------------- 
1969 // ---------------------------------------------------------------------------- 
1971 SHORT EXPENTRY 
InternalDataCompareTreeFunc ( 
1977     wxCHECK_MSG( p1 
&& p2
, 0, 
1978                  wxT("sorting tree without data doesn't make sense") ); 
1980     wxTreeCtrl
*                     pTree 
= (wxTreeCtrl
*)pStorage
; 
1982     return pTree
->OnCompareItems( p1
->m_ulItemId
 
1985 } // end of wxTreeSortHelper::Compare 
1987 int wxTreeCtrl::OnCompareItems ( 
1988   const wxTreeItemId
&               rItem1
 
1989 , const wxTreeItemId
&               rItem2
 
1992     return wxStrcmp( GetItemText(rItem1
) 
1993                     ,GetItemText(rItem2
) 
1995 } // end of wxTreeCtrl::OnCompareItems 
1997 void wxTreeCtrl::SortChildren ( 
1998   const wxTreeItemId
&               rItem
 
2001     ::WinSendMsg( GetHWND() 
2003                  ,(PFN
)InternalDataCompareTreeFunc
 
2006 } // end of wxTreeCtrl::SortChildren 
2008 // ---------------------------------------------------------------------------- 
2010 // ---------------------------------------------------------------------------- 
2012 bool wxTreeCtrl::OS2Command ( 
2017     if (uCmd 
== CN_ENDEDIT
) 
2019         wxCommandEvent              
vEvent( wxEVT_COMMAND_TEXT_UPDATED
 
2023         vEvent
.SetEventObject( this ); 
2024         ProcessCommand(vEvent
); 
2027     else if (uCmd 
== CN_KILLFOCUS
) 
2029         wxCommandEvent              
vEvent( wxEVT_KILL_FOCUS
 
2032         vEvent
.SetEventObject( this ); 
2033         ProcessCommand(vEvent
); 
2038 } // end of wxTreeCtrl::OS2Command 
2041 // TODO:  Fully implement direct manipulation when I figure it out 
2043 MRESULT 
wxTreeCtrl::OS2WindowProc ( 
2049     bool                            bProcessed 
= false; 
2051     wxTreeEvent                     
vEvent( wxEVT_NULL
 
2054     wxEventType                     vEventType 
= wxEVT_NULL
; 
2055     PCNRDRAGINIT                    pDragInit 
= NULL
; 
2056     PCNREDITDATA                    pEditData 
= NULL
; 
2057     PNOTIFYRECORDENTER              pNotifyEnter 
= NULL
; 
2059     vEvent
.SetEventObject(this); 
2063             switch(SHORT2FROMMP(wParam
)) 
2066                     pDragInit 
= (PCNRDRAGINIT
)lParam
; 
2069                         PMYRECORD       pRecord 
= (PMYRECORD
)pDragInit
->pRecord
; 
2071                         vEventType 
= wxEVT_COMMAND_TREE_BEGIN_DRAG
; 
2072                         vEvent
.m_item        
= pRecord
->m_ulItemId
; 
2073                         vEvent
.m_pointDrag
.x 
= pDragInit
->x
; 
2074                         vEvent
.m_pointDrag
.y 
= pDragInit
->y
; 
2079                     pEditData 
= (PCNREDITDATA
)lParam
; 
2082                         PMYRECORD       pRecord 
= (PMYRECORD
)pEditData
->pRecord
; 
2084                         vEventType 
= wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT
; 
2085                         vEvent
.m_item 
= pRecord
->m_ulItemId
; 
2086                         vEvent
.m_label 
= pRecord
->m_vRecord
.pszTree
; 
2087                         vEvent
.m_editCancelled 
= false; 
2092                     pEditData 
= (PCNREDITDATA
)lParam
; 
2095                         PMYRECORD       pRecord 
= (PMYRECORD
)pEditData
->pRecord
; 
2097                         vEventType 
= wxEVT_COMMAND_TREE_END_LABEL_EDIT
; 
2098                         vEvent
.m_item 
= pRecord
->m_ulItemId
; 
2099                         vEvent
.m_label 
= pRecord
->m_vRecord
.pszTree
; 
2100                         if (pRecord
->m_vRecord
.pszTree 
== NULL
) 
2102                             vEvent
.m_editCancelled 
= true; 
2106                             vEvent
.m_editCancelled 
= false; 
2113                         PMYRECORD       pRecord 
= (PMYRECORD
)lParam
; 
2115                         vEventType 
= gs_expandEvents
[IDX_EXPAND
][IDX_DONE
]; 
2116                         vEvent
.m_item 
= pRecord
->m_ulItemId
; 
2120             vEvent
.SetEventType(vEventType
); 
2121             bProcessed 
= GetEventHandler()->ProcessEvent(vEvent
); 
2125         mRc 
= wxControl::OS2WindowProc( uMsg
 
2130 } // end of wxTreeCtrl::OS2WindowProc 
2132 #endif // wxUSE_TREECTRL