src/mac/carbon/databrow.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/databrow.cpp
   3 // Purpose:     Classes and functions for the Carbon data browser
   4 // Author:
   5 // Modified by:
   6 // Created:     2007-05-18
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_DATAVIEWCTRL && !defined(wxUSE_GENERICDATAVIEWCTRL)
  15
  16 #include <limits>
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/app.h"
  20     #include "wx/toplevel.h"
  21     #include "wx/font.h"
  22     #include "wx/settings.h"
  23 #endif
  24
  25 #include "wx/dataview.h"
  26 #include "wx/utils.h"
  27
  28 #include "wx/mac/carbon/databrow.h"
  29 #include "wx/mac/private.h"
  30 #include "wx/mac/uma.h"
  31
  32 // ============================================================================
  33 // wxMacDataBrowserTableViewControl
  34 // ============================================================================
  35
  36 pascal Boolean wxMacDataBrowserTableViewControl::DataBrowserCompareProc(ControlRef browser, DataBrowserItemID itemOneID, DataBrowserItemID itemTwoID, DataBrowserPropertyID sortProperty)
  37 {
  38   wxMacDataBrowserTableViewControl* ControlPtr(dynamic_cast<wxMacDataBrowserTableViewControl*>(wxMacControl::GetReferenceFromNativeControl(browser)));
  39
  40
  41   if (ControlPtr != NULL)
  42     return ControlPtr->DataBrowserCompareProc(itemOneID,itemTwoID,sortProperty);
  43   else
  44     return errDataBrowserPropertyNotSupported;
  45 } /* wxMacDataBrowserTableViewControl::DataBrowserCompareProc(ControlRef, DataBrowserItemID, DataBrowserItemID, DataBrowserPropertyID) */
  46
  47 pascal void wxMacDataBrowserTableViewControl::DataBrowserDrawItemProc(ControlRef browser, DataBrowserItemID itemID, DataBrowserPropertyID property, DataBrowserItemState state, Rect const* rectangle, SInt16 bitDepth, Boolean colorDevice)
  48 {
  49   wxMacDataBrowserTableViewControl* ControlPtr(dynamic_cast<wxMacDataBrowserTableViewControl*>(wxMacControl::GetReferenceFromNativeControl(browser)));
  50
  51
  52   if (ControlPtr != NULL)
  53     ControlPtr->DataBrowserDrawItemProc(itemID,property,state,rectangle,bitDepth,colorDevice);
  54 } /* wxMacDataBrowserTableViewControl::DataBrowserDrawItemProc(ControlRef, DataBrowserItemID, DataBrowserPropertyID, DataBrowserItemState, Rect const*, SInt16, Boolean) */
  55
  56 pascal OSStatus wxMacDataBrowserTableViewControl::DataBrowserGetSetItemDataProc(ControlRef browser, DataBrowserItemID itemID, DataBrowserPropertyID property, DataBrowserItemDataRef itemData, Boolean getValue)
  57 {
  58   wxMacDataBrowserTableViewControl* ControlPtr(dynamic_cast<wxMacDataBrowserTableViewControl*>(wxMacControl::GetReferenceFromNativeControl(browser)));
  59
  60
  61   if (ControlPtr != NULL)
  62     return ControlPtr->DataBrowserGetSetItemDataProc(itemID,property,itemData,getValue);
  63   else
  64     return errDataBrowserPropertyNotSupported;
  65 } /* wxMacDataBrowserTableViewControl::DataBrowserGetSetItemDataProc(ControlRef, DataBrowserItemID, DataBrowserPropertyID, DataBrowserItemDataRef, Boolean) */
  66
  67 pascal void wxMacDataBrowserTableViewControl::DataBrowserItemNotificationProc(ControlRef browser, DataBrowserItemID itemID, DataBrowserItemNotification message, DataBrowserItemDataRef itemData)
  68 {
  69   wxMacDataBrowserTableViewControl* ControlPtr(dynamic_cast<wxMacDataBrowserTableViewControl*>(wxMacControl::GetReferenceFromNativeControl(browser)));
  70
  71
  72   if (ControlPtr != NULL)
  73     ControlPtr->DataBrowserItemNotificationProc(itemID,message,itemData);
  74 } /* wxMacDataBrowserTableViewControl::DataBrowserItemNotificationProc(ControlRef, DataBrowserItemID, DataBrowserItemNotification, DataBrowserItemDataRef) */
  75
  76 DataBrowserDrawItemUPP         gDataBrowserTableViewDrawItemUPP         = NULL;
  77 DataBrowserItemCompareUPP      gDataBrowserTableViewItemCompareUPP      = NULL;
  78 DataBrowserItemDataUPP         gDataBrowserTableViewItemDataUPP         = NULL;
  79 DataBrowserItemNotificationUPP gDataBrowserTableViewItemNotificationUPP = NULL;
  80
  81 wxMacDataBrowserTableViewControl::wxMacDataBrowserTableViewControl(wxWindow* peer, wxPoint const& pos, wxSize const& size, long style)
  82                                  :wxMacControl(peer)
  83 {
  84   Rect bounds = wxMacGetBoundsForControl(peer,pos,size);
  85   OSStatus err = ::CreateDataBrowserControl(MAC_WXHWND(peer->MacGetTopLevelWindowRef()),&bounds,kDataBrowserListView,&(this->m_controlRef));
  86
  87
  88   SetReferenceInNativeControl();
  89   verify_noerr(err);
  90   if (gDataBrowserTableViewDrawItemUPP         == NULL) gDataBrowserTableViewDrawItemUPP    = NewDataBrowserDrawItemUPP   (DataBrowserDrawItemProc);
  91   if (gDataBrowserTableViewItemCompareUPP      == NULL) gDataBrowserTableViewItemCompareUPP = NewDataBrowserItemCompareUPP(wxMacDataBrowserTableViewControl::DataBrowserCompareProc);
  92   if (gDataBrowserTableViewItemDataUPP         == NULL) gDataBrowserTableViewItemDataUPP    = NewDataBrowserItemDataUPP   (wxMacDataBrowserTableViewControl::DataBrowserGetSetItemDataProc);
  93   if (gDataBrowserTableViewItemNotificationUPP == NULL)
  94   {
  95     gDataBrowserTableViewItemNotificationUPP =
  96       (DataBrowserItemNotificationUPP) NewDataBrowserItemNotificationWithItemUPP(wxMacDataBrowserTableViewControl::DataBrowserItemNotificationProc);
  97   }
  98
  99   DataBrowserCallbacks       callbacks;
 100   DataBrowserCustomCallbacks customCallbacks;
 101
 102   InitializeDataBrowserCallbacks      (&callbacks,      kDataBrowserLatestCallbacks);
 103   InitializeDataBrowserCustomCallbacks(&customCallbacks,kDataBrowserLatestCallbacks);
 104
 105   callbacks.u.v1.itemDataCallback         = gDataBrowserTableViewItemDataUPP;
 106   callbacks.u.v1.itemCompareCallback      = gDataBrowserTableViewItemCompareUPP;
 107   callbacks.u.v1.itemNotificationCallback = gDataBrowserTableViewItemNotificationUPP;
 108   this->SetCallbacks(&callbacks);
 109
 110   customCallbacks.u.v1.drawItemCallback = gDataBrowserTableViewDrawItemUPP;
 111   this->SetCustomCallbacks(&customCallbacks);
 112
 113  // style setting:
 114   this->EnableCellSizeModification();
 115
 116   DataBrowserSelectionFlags flags; // variable definition
 117
 118   if (this->GetSelectionFlags(&flags) == noErr) // get default settings
 119   {
 120     if ((style & wxDV_MULTIPLE) != 0)
 121       flags &= ~kDataBrowserSelectOnlyOne;
 122     else
 123       flags |= kDataBrowserSelectOnlyOne;
 124     (void) this->SetSelectionFlags(flags);
 125   } /* if */
 126
 127   OptionBits attributes; // variable definition
 128
 129   if (this->GetAttributes(&attributes) == noErr) // get default settings
 130   {
 131     if ((style & wxDV_VERT_RULES) != 0)
 132       attributes |= kDataBrowserAttributeListViewDrawColumnDividers;
 133     else
 134       attributes &= ~kDataBrowserAttributeListViewDrawColumnDividers;
 135     (void) this->SetAttributes(attributes);
 136   } /* if */
 137
 138   if ((style & wxDV_NO_HEADER) != 0)
 139     this->SetHeaderButtonHeight(0);
 140 } /* wxMacDataBrowserTableViewControl::wxMacDataBrowserTableViewControl(wxWindow*, wxPoint const&, wxSize const&, long) */
 141
 142 //
 143 // callback handling
 144 //
 145 OSStatus wxMacDataBrowserTableViewControl::SetCallbacks(DataBrowserCallbacks const* callbacks)
 146 {
 147   return ::SetDataBrowserCallbacks(this->m_controlRef,callbacks);
 148 } /* wxMacDataBrowserTableViewControl::SetCallbacks(DataBrowserCallbacks const*) */
 149
 150 OSStatus wxMacDataBrowserTableViewControl::SetCustomCallbacks(DataBrowserCustomCallbacks const* customCallbacks)
 151 {
 152   return ::SetDataBrowserCustomCallbacks(this->m_controlRef,customCallbacks);
 153 } /* xMacDataBrowserTableViewControl::SetCustomCallbacks(DataBrowserCustomCallbacks const*) */
 154
 155 //
 156 // header handling
 157 //
 158 OSStatus wxMacDataBrowserTableViewControl::GetHeaderDesc(DataBrowserPropertyID property, DataBrowserListViewHeaderDesc* desc) const
 159 {
 160   desc->version = kDataBrowserListViewLatestHeaderDesc; // if this statement is missing the next call will fail (NOT DOCUMENTED!!)
 161   return ::GetDataBrowserListViewHeaderDesc(this->m_controlRef,property,desc);
 162 }
 163
 164 OSStatus wxMacDataBrowserTableViewControl::SetHeaderDesc(DataBrowserPropertyID property, DataBrowserListViewHeaderDesc* desc)
 165 {
 166   return ::SetDataBrowserListViewHeaderDesc(this->m_controlRef,property,desc);
 167 }
 168
 169 //
 170 // layout handling
 171 //
 172 OSStatus wxMacDataBrowserTableViewControl::AutoSizeColumns()
 173 {
 174   return AutoSizeDataBrowserListViewColumns(this->m_controlRef);
 175 }
 176
 177 OSStatus wxMacDataBrowserTableViewControl::EnableCellSizeModification(bool enableHeight, bool enableWidth)
 178 {
 179   return ::SetDataBrowserTableViewGeometry(this->GetControlRef(),enableWidth,enableHeight);
 180 } /* wxMacDataBrowserTableViewControl::EnableCellSizeModification(bool, bool) */
 181
 182 OSStatus wxMacDataBrowserTableViewControl::GetAttributes(OptionBits* attributes)
 183 {
 184   return ::DataBrowserGetAttributes(this->GetControlRef(),attributes);
 185 } /* wxMacDataBrowserTableViewControl::GetAttributes(OptionBits*) */
 186
 187 OSStatus wxMacDataBrowserTableViewControl::GetColumnWidth(DataBrowserPropertyID propertyID, UInt16* width) const
 188 {
 189   return ::GetDataBrowserTableViewNamedColumnWidth(this->m_controlRef,propertyID,width);
 190 }
 191
 192 OSStatus wxMacDataBrowserTableViewControl::GetDefaultColumnWidth( UInt16 *width ) const
 193 {
 194     return GetDataBrowserTableViewColumnWidth(this->m_controlRef, width );
 195 }
 196
 197 OSStatus wxMacDataBrowserTableViewControl::GetDefaultRowHeight(UInt16* height) const
 198 {
 199   return ::GetDataBrowserTableViewRowHeight(this->m_controlRef,height);
 200 }
 201
 202 OSStatus wxMacDataBrowserTableViewControl::GetHeaderButtonHeight(UInt16 *height)
 203 {
 204   return ::GetDataBrowserListViewHeaderBtnHeight(this->m_controlRef,height);
 205 }
 206
 207 OSStatus wxMacDataBrowserTableViewControl::GetPartBounds(DataBrowserItemID item, DataBrowserPropertyID property, DataBrowserPropertyPart part, Rect* bounds)
 208 {
 209   return ::GetDataBrowserItemPartBounds(this->m_controlRef,item,property,part,bounds);
 210 } /* wxMacDataBrowserTableViewControl::GetPartBounds(DataBrowserItemID, DataBrowswerPropertyID, DataBrowserPropertyPart, Rect*) */
 211
 212 OSStatus wxMacDataBrowserTableViewControl::GetRowHeight(DataBrowserItemID item, UInt16* height) const
 213 {
 214   return ::GetDataBrowserTableViewItemRowHeight(this->m_controlRef,item,height);
 215 } /* wxMacDataBrowserTableViewControl::GetRowHeight(DataBrowserItemID, UInt16*) const */
 216
 217 OSStatus wxMacDataBrowserTableViewControl::GetScrollPosition( UInt32 *top , UInt32 *left ) const
 218 {
 219     return GetDataBrowserScrollPosition(this->m_controlRef, top , left );
 220 }
 221
 222 OSStatus wxMacDataBrowserTableViewControl::SetAttributes(OptionBits attributes)
 223 {
 224   return ::DataBrowserChangeAttributes(this->GetControlRef(),attributes,~attributes);
 225 } /* wxMacDataBrowserTableViewControl::SetAttributes(OptionBits) */
 226
 227 OSStatus wxMacDataBrowserTableViewControl::SetColumnWidth(DataBrowserPropertyID propertyID, UInt16 width)
 228 {
 229   return ::SetDataBrowserTableViewNamedColumnWidth(this->m_controlRef,propertyID,width);
 230 }
 231
 232 OSStatus wxMacDataBrowserTableViewControl::SetDefaultColumnWidth(UInt16 width)
 233 {
 234   return ::SetDataBrowserTableViewColumnWidth(this->m_controlRef,width);
 235 }
 236
 237 OSStatus wxMacDataBrowserTableViewControl::SetDefaultRowHeight(UInt16 height)
 238 {
 239   return ::SetDataBrowserTableViewRowHeight(this->m_controlRef,height);
 240 }
 241
 242 OSStatus wxMacDataBrowserTableViewControl::SetHasScrollBars(bool horiz, bool vert)
 243 {
 244   return ::SetDataBrowserHasScrollBars(this->m_controlRef,horiz,vert);
 245 } /* wxMacDataBrowserTableViewControl::SetHasScrollBars(bool, bool) */
 246
 247 OSStatus wxMacDataBrowserTableViewControl::SetHeaderButtonHeight(UInt16 height)
 248 {
 249   return ::SetDataBrowserListViewHeaderBtnHeight(this->m_controlRef,height);
 250 } /* wxMacDataBrowserTableViewControl::SetHeaderButtonHeight(UInt16) */
 251
 252 OSStatus wxMacDataBrowserTableViewControl::SetHiliteStyle(DataBrowserTableViewHiliteStyle hiliteStyle)
 253 {
 254   return ::SetDataBrowserTableViewHiliteStyle(this->m_controlRef,hiliteStyle);
 255 } /*wxMacDataBrowserTableViewControl::SetHiliteStyle(DataBrowserTableViewHiliteStyle)  */
 256
 257 OSStatus wxMacDataBrowserTableViewControl::SetIndent(float Indent)
 258 {
 259   return ::DataBrowserSetMetric(this->m_controlRef,kDataBrowserMetricDisclosureColumnPerDepthGap,true,Indent);
 260 } /* wxMacDataBrowserTableViewControl::SetIndent(float* Indent) */
 261
 262 OSStatus wxMacDataBrowserTableViewControl::SetRowHeight(DataBrowserItemID item, UInt16 height)
 263 {
 264   return ::SetDataBrowserTableViewItemRowHeight(this->m_controlRef,item,height);
 265 }
 266
 267 OSStatus wxMacDataBrowserTableViewControl::SetScrollPosition(UInt32 top, UInt32 left)
 268 {
 269   return ::SetDataBrowserScrollPosition(this->m_controlRef,top,left);
 270 }
 271
 272 //
 273 // column handling
 274 //
 275 OSStatus wxMacDataBrowserTableViewControl::GetColumnCount(UInt32* numColumns) const
 276 {
 277   return ::GetDataBrowserTableViewColumnCount(this->m_controlRef,numColumns);
 278 }
 279
 280 OSStatus wxMacDataBrowserTableViewControl::GetColumnIndex(DataBrowserPropertyID propertyID, DataBrowserTableViewColumnIndex* index) const
 281 {
 282   return ::GetDataBrowserTableViewColumnPosition(this->m_controlRef,propertyID,index);
 283 } /* wxMacDataBrowserTableViewControl::GetColumnIndex(DataBrowserPropertyID, DataBrowserTableViewColumnIndex*) const */
 284
 285 OSStatus wxMacDataBrowserTableViewControl::GetFreePropertyID(DataBrowserPropertyID* propertyID) const
 286 {
 287   for (*propertyID=kMinPropertyID; *propertyID<std::numeric_limits<DataBrowserPropertyID>::max(); ++(*propertyID))
 288     if (this->IsUsedPropertyID(*propertyID) == errDataBrowserPropertyNotFound)
 289       return noErr;
 290   return errDataBrowserPropertyNotSupported;
 291 } /* wxMacDataBrowserTableViewControl::GetFreePropertyID(DataBrowserPropertyID*) const */
 292
 293 OSStatus wxMacDataBrowserTableViewControl::GetPropertyFlags(DataBrowserPropertyID propertyID, DataBrowserPropertyFlags *flags) const
 294 {
 295   return ::GetDataBrowserPropertyFlags(this->m_controlRef,propertyID,flags);
 296 }
 297
 298 OSStatus wxMacDataBrowserTableViewControl::GetPropertyID(DataBrowserItemDataRef itemData, DataBrowserPropertyID* propertyID)
 299 {
 300   return ::GetDataBrowserItemDataProperty(itemData,propertyID);
 301 } /* wxMacDataBrowserTableViewControl::GetPropertyID(DataBrowserItemDataRef, DataBrowserPropertyID*) */
 302
 303 OSStatus wxMacDataBrowserTableViewControl::GetPropertyID(DataBrowserTableViewColumnIndex index, DataBrowserTableViewColumnID* propertyID)
 304 {
 305   return ::GetDataBrowserTableViewColumnProperty(this->m_controlRef,index,propertyID);
 306 } /* wxMacDataBrowserTableViewControl::GetPropertyID(DataBrowserTableViewColumnIndex, DataBrowserTableViewColumnID*) */
 307
 308 OSStatus wxMacDataBrowserTableViewControl::IsUsedPropertyID(DataBrowserPropertyID propertyID) const
 309 {
 310  // as the Mac interface does not provide a function that checks if the property id is in use or not a function is chosen that should not
 311  // lead to a large overhead for the call but returns an error code if the property id does not exist, here we use the function that returns
 312  // the column position for the property id:
 313   DataBrowserTableViewColumnIndex index;
 314
 315   return ::GetDataBrowserTableViewColumnPosition(this->m_controlRef,propertyID,&index);
 316 } /* wxMacDataBrowserTableViewControl::IsUsedPropertyId(DataBrowserPropertyID) const */
 317
 318 OSStatus wxMacDataBrowserTableViewControl::RemoveColumnByProperty(DataBrowserTableViewColumnID propertyID)
 319 {
 320   return ::RemoveDataBrowserTableViewColumn(this->m_controlRef,propertyID);
 321 } /* wxMacDataBrowserTableViewControl::RemoveColumnByProperty(DataBrowserTableViewColumnID) */
 322
 323 OSStatus wxMacDataBrowserTableViewControl::RemoveColumnByIndex(DataBrowserTableViewColumnIndex index)
 324 {
 325   DataBrowserTableViewColumnID propertyID;
 326
 327
 328   this->GetPropertyID(index,&propertyID);
 329   return ::RemoveDataBrowserTableViewColumn(this->m_controlRef,propertyID);
 330 } /* wxMacDataBrowserTableViewControl::RemoveColumnByIndex(DataBrowserTableViewColumnIndex) */
 331
 332 OSStatus wxMacDataBrowserTableViewControl::SetColumnIndex(DataBrowserPropertyID propertyID, DataBrowserTableViewColumnIndex index)
 333 {
 334   return ::SetDataBrowserTableViewColumnPosition(this->m_controlRef,propertyID,index);
 335 } /* wxMacDataBrowserTableViewControl::SetColumnIndex(DataBrowserPropertyID, DataBrowserTableViewColumnIndex) */
 336
 337 OSStatus wxMacDataBrowserTableViewControl::SetDisclosureColumn(DataBrowserPropertyID propertyID, Boolean expandableRows)
 338 {
 339   return ::SetDataBrowserListViewDisclosureColumn(this->m_controlRef,propertyID,expandableRows);
 340 }
 341
 342 OSStatus wxMacDataBrowserTableViewControl::SetPropertyFlags(DataBrowserPropertyID propertyID, DataBrowserPropertyFlags flags)
 343 {
 344   return ::SetDataBrowserPropertyFlags(this->m_controlRef,propertyID,flags);
 345 } /* wxMacDataBrowserTableViewControl::SetPropertyFlags(DataBrowserPropertyID, DataBrowserPropertyFlags) */
 346
 347 //
 348 // item handling
 349 //
 350 OSStatus wxMacDataBrowserTableViewControl::AddItems(DataBrowserItemID container, UInt32 numItems, DataBrowserItemID const* items, DataBrowserPropertyID preSortProperty)
 351 {
 352   return ::AddDataBrowserItems(this->m_controlRef,container,numItems,items,preSortProperty);
 353 } /* wxMacDataBrowserTableViewControl::AddItems(DataBrowserItemID, UInt32, DataBrowserItemID const*, DataBrowserPropertyID) */
 354
 355 OSStatus wxMacDataBrowserTableViewControl::GetFreeItemID(DataBrowserItemID* id) const
 356 {
 357   ItemCount NoOfItems;
 358
 359
 360   verify_noerr(this->GetItemCount(&NoOfItems));
 361   if (NoOfItems == 0)
 362   {
 363     *id = 1;
 364     return noErr;
 365   } /* if */
 366   else
 367   {
 368    // as there might be a lot of items in the data browser and mostly the data is added item by item the largest used ID number is roughly in the order of magnitude
 369    // as the number of items; therefore, start from the number of items to look for a new ID:
 370     for (*id=NoOfItems; *id<std::numeric_limits<DataBrowserItemID>::max(); ++(*id))
 371       if (this->IsUsedItemID(*id) == errDataBrowserItemNotFound)
 372         return noErr;
 373    // as the first approach was not successful, try from the beginning:
 374     for (*id=0; *id<NoOfItems; ++(*id))
 375       if (this->IsUsedItemID(*id) == errDataBrowserItemNotFound)
 376         return noErr;
 377    // sorry, data browser is full:
 378     return errDataBrowserItemNotAdded;
 379   } /* if */
 380 } /* wxMacDataBrowserTableViewControl::GetFreeItemID(DataBrowserItemID*) const */
 381
 382 OSStatus wxMacDataBrowserTableViewControl::GetItemCount(DataBrowserItemID container, Boolean recurse, DataBrowserItemState state, ItemCount* numItems) const
 383 {
 384   return GetDataBrowserItemCount(this->m_controlRef,container,recurse,state,numItems);
 385 } /* wxMacDataBrowserTableViewControl::GetItemCount(DataBrowserItemID, Boolean, DataBrowserItemState, ItemCount*) const */
 386
 387 OSStatus wxMacDataBrowserTableViewControl::GetItemID( DataBrowserTableViewRowIndex row, DataBrowserItemID * item ) const
 388 {
 389   return GetDataBrowserTableViewItemID(this->m_controlRef,row,item);
 390 }
 391
 392 OSStatus wxMacDataBrowserTableViewControl::GetItems(DataBrowserItemID container, Boolean recurse, DataBrowserItemState state, Handle items) const
 393 {
 394   return GetDataBrowserItems(this->m_controlRef,container,recurse,state,items);
 395 } /* wxMacDataBrowserTableViewControl::GetItems(DataBrowserItemID, Boolean, DataBrowserItemState, Handle) const */
 396
 397 OSStatus wxMacDataBrowserTableViewControl::GetItemRow(DataBrowserItemID item, DataBrowserTableViewRowIndex* row) const
 398 {
 399   return GetDataBrowserTableViewItemRow(this->m_controlRef,item,row);
 400 }
 401
 402 OSStatus wxMacDataBrowserTableViewControl::IsUsedItemID(DataBrowserItemID itemID) const
 403 {
 404  // as the Mac interface does not provide a function that checks if the property id is in use or not a function is chosen that should not
 405  // lead to a large overhead for the call but returns an error code if the property id does not exist, here we use the function that returns
 406  // the column position for the property id:
 407   DataBrowserTableViewColumnIndex index;
 408
 409   return ::GetDataBrowserTableViewItemRow(this->m_controlRef,itemID,&index);
 410 } /* wxMacDataBrowserTableViewControl::IsUsedItemID(DataBrowserItemID) const */
 411
 412 OSStatus wxMacDataBrowserTableViewControl::RemoveItems(DataBrowserItemID container, UInt32 numItems, DataBrowserItemID const* items, DataBrowserPropertyID preSortProperty)
 413 {
 414   return ::RemoveDataBrowserItems(this->m_controlRef,container,numItems,items,preSortProperty);
 415 }
 416
 417 OSStatus wxMacDataBrowserTableViewControl::RevealItem(DataBrowserItemID item, DataBrowserPropertyID propertyID, DataBrowserRevealOptions options) const
 418 {
 419   return ::RevealDataBrowserItem(this->m_controlRef,item,propertyID,options);
 420 } /* wxMacDataBrowserTableViewControl::RevealItem(DataBrowserItemID item, DataBrowserPropertyID propertyID, DataBrowserRevealOptions options) const */
 421
 422 OSStatus wxMacDataBrowserTableViewControl::UpdateItems(DataBrowserItemID container, UInt32 numItems, DataBrowserItemID const* items, DataBrowserPropertyID preSortProperty,
 423                                                        DataBrowserPropertyID propertyID) const
 424 {
 425   return UpdateDataBrowserItems(this->m_controlRef,container,numItems,items,preSortProperty,propertyID);
 426 }
 427
 428 //
 429 // item selection
 430 //
 431 size_t wxMacDataBrowserTableViewControl::GetSelectedItemIDs(wxArrayDataBrowserItemID& itemIDs) const
 432 {
 433   DataBrowserItemID* itemIDPtr;
 434   Handle handle(::NewHandle(0));
 435
 436   size_t NoOfItems;
 437
 438
 439   wxCHECK_MSG(this->GetItems(kDataBrowserNoItem,true,kDataBrowserItemIsSelected,handle) == noErr,0,_("Could not get selected items."));
 440   NoOfItems = static_cast<size_t>(::GetHandleSize(handle)/sizeof(DataBrowserItemID));
 441   itemIDs.Empty();
 442   itemIDs.Alloc(NoOfItems);
 443   HLock(handle);
 444   itemIDPtr = (DataBrowserItemID*) (*handle);
 445   for (size_t i=0; i<NoOfItems; ++i)
 446   {
 447     itemIDs.Add(*itemIDPtr);
 448     ++itemIDPtr;
 449   } /* for */
 450   HUnlock(handle);
 451   DisposeHandle(handle);
 452   return NoOfItems;
 453 } /* wxMacDataBrowserTableViewControl::GetSelectedItemIDs(wxArrayDataBrowserItemID&) const*/
 454
 455 OSStatus wxMacDataBrowserTableViewControl::GetSelectionAnchor(DataBrowserItemID* first, DataBrowserItemID* last) const
 456 {
 457   return ::GetDataBrowserSelectionAnchor(this->m_controlRef,first,last);
 458 } /* wxMacDataBrowserTableViewControl::GetSelectionAnchor(DataBrowserItemID*, DataBrowserItemID*) const */
 459
 460 OSStatus wxMacDataBrowserTableViewControl::GetSelectionFlags(DataBrowserSelectionFlags* flags) const
 461 {
 462   return ::GetDataBrowserSelectionFlags(this->m_controlRef,flags);
 463 } /* wxMacDataBrowserTableViewControl::GetSelectionFlags(DataBrowserSelectionFlags*) const */
 464
 465 bool wxMacDataBrowserTableViewControl::IsItemSelected(DataBrowserItemID item) const
 466 {
 467   return ::IsDataBrowserItemSelected(this->m_controlRef,item);
 468 } /* wxMacDataBrowserTableViewControl::IsItemSelected(DataBrowserItemID) const */
 469
 470 OSStatus wxMacDataBrowserTableViewControl::SetSelectionFlags(DataBrowserSelectionFlags flags)
 471 {
 472   return ::SetDataBrowserSelectionFlags(this->m_controlRef,flags);
 473 } /* wxMacDataBrowserTableViewControl::SetSelectionFlags(DataBrowserSelectionFlags) */
 474
 475 OSStatus wxMacDataBrowserTableViewControl::SetSelectedItems(UInt32 numItems, DataBrowserItemID const* items, DataBrowserSetOption operation)
 476 {
 477   return ::SetDataBrowserSelectedItems(this->m_controlRef, numItems, items, operation );
 478 } /* wxMacDataBrowserTableViewControl::SetSelectedItems(UInt32, DataBrowserItemID const*, DataBrowserSetOption) */
 479
 480 OSStatus wxMacDataBrowserTableViewControl::GetSortOrder(DataBrowserSortOrder* order) const
 481 {
 482   return ::GetDataBrowserSortOrder(this->m_controlRef,order);
 483 }
 484
 485 OSStatus wxMacDataBrowserTableViewControl::GetSortProperty(DataBrowserPropertyID* propertyID) const
 486 {
 487   return ::GetDataBrowserSortProperty(this->m_controlRef,propertyID);
 488 }
 489
 490 OSStatus wxMacDataBrowserTableViewControl::Resort(DataBrowserItemID container, Boolean sortChildren)
 491 {
 492   return ::SortDataBrowserContainer(this->m_controlRef,container,sortChildren);
 493 } /* wxMacDataBrowserTableViewControl::Resort(DataBrowserItemID, Boolean) */
 494
 495 OSStatus wxMacDataBrowserTableViewControl::SetSortOrder(DataBrowserSortOrder order)
 496 {
 497   return ::SetDataBrowserSortOrder(this->m_controlRef,order);
 498 }
 499
 500 OSStatus wxMacDataBrowserTableViewControl::SetSortProperty(DataBrowserPropertyID propertyID)
 501 {
 502   return ::SetDataBrowserSortProperty(this->m_controlRef,propertyID);
 503 }
 504
 505 //
 506 // container handling
 507 //
 508 OSStatus wxMacDataBrowserTableViewControl::CloseContainer(DataBrowserItemID containerID)
 509 {
 510   return ::CloseDataBrowserContainer(this->m_controlRef,containerID);
 511 } /* wxMacDataBrowserTableViewControl::CloseContainer(DataBrowserItemID) */
 512
 513 OSStatus wxMacDataBrowserTableViewControl::OpenContainer(DataBrowserItemID containerID)
 514 {
 515   return ::OpenDataBrowserContainer(this->m_controlRef,containerID);
 516 } /* wxMacDataBrowserTableViewControl::OpenContainer(DataBrowserItemID) */
 517
 518 IMPLEMENT_ABSTRACT_CLASS(wxMacDataBrowserTableViewControl,wxMacControl)
 519
 520 // ============================================================================
 521 // wxMacDataBrowserListViewControl
 522 // ============================================================================
 523 #pragma mark -
 524 //
 525 // column handling
 526 //
 527 OSStatus wxMacDataBrowserListViewControl::AddColumn(DataBrowserListViewColumnDesc *columnDesc, DataBrowserTableViewColumnIndex position)
 528 {
 529   return AddDataBrowserListViewColumn(this->m_controlRef,columnDesc,position);
 530 } /* wxMacDataBrowserListViewControl::AddColumn(DataBrowserListViewColumnDesc*, DataBrowserTableViewColumnIndex) */
 531
 532 // ============================================================================
 533 // wxMacDataViewDataBrowserListViewControl
 534 // ============================================================================
 535 #pragma mark -
 536 //
 537 // constructors / destructor
 538 //
 539 wxMacDataViewDataBrowserListViewControl::wxMacDataViewDataBrowserListViewControl(wxWindow* peer, wxPoint const& pos, wxSize const& size, long style)
 540                                         :wxMacDataBrowserListViewControl(peer,pos,size,style)
 541 {
 542 } /* wxMacDataViewDataBrowserListViewControl::wxMacDataViewDataBrowserListViewControl(wxWindow* , const wxPoint&, const wxSize&, long) */
 543
 544 //
 545 // callback functions (inherited from wxMacDataBrowserTableViewControl)
 546 //
 547 Boolean wxMacDataViewDataBrowserListViewControl::DataBrowserCompareProc(DataBrowserItemID itemOneID, DataBrowserItemID itemTwoID, DataBrowserPropertyID sortProperty)
 548 {
 549   DataBrowserSortOrder sortOrder;
 550
 551   DataBrowserTableViewColumnIndex columnIndex;
 552
 553   wxDataViewCtrl* dataViewCtrlPtr(dynamic_cast<wxDataViewCtrl*>(this->GetPeer()));
 554
 555
 556   wxCHECK_MSG(dataViewCtrlPtr != NULL,            false,_("Pointer to data view control not set correctly."));
 557   wxCHECK_MSG(dataViewCtrlPtr->GetModel() != NULL,false,_("Pointer to model not set correctly."));
 558   if (sortProperty >= kMinPropertyID)
 559   {
 560     wxCHECK_MSG(this->GetColumnIndex(sortProperty,&columnIndex) == noErr,false,_("Could not determine column index."));
 561   } /* if */
 562   else
 563     columnIndex = 0;
 564   this->GetSortOrder(&sortOrder);
 565   return static_cast<Boolean>(dataViewCtrlPtr->GetModel()->Compare(wxDataViewItem(reinterpret_cast<void*>(itemOneID)),wxDataViewItem(reinterpret_cast<void*>(itemTwoID)),
 566                               columnIndex,sortOrder != kDataBrowserOrderDecreasing) < 0);
 567 } /* wxMacDataViewDataBrowserListViewControl::DataBrowserCompareProc(DataBrowserItemID, DataBrowserItemID, DataBrowserPropertyID) */
 568
 569 void wxMacDataViewDataBrowserListViewControl::DataBrowserDrawItemProc(DataBrowserItemID itemID, DataBrowserPropertyID propertyID, DataBrowserItemState state, Rect const* rectangle, SInt16 bitDepth, Boolean colorDevice)
 570 {
 571   DataBrowserTableViewColumnIndex columnIndex;
 572
 573   wxDataViewColumn* dataViewColumnPtr;
 574
 575   wxDataViewCtrl* dataViewCtrlPtr;
 576
 577   wxDataViewCustomRenderer* dataViewCustomRendererPtr;
 578
 579   wxVariant dataToRender;
 580
 581   dataViewCtrlPtr = dynamic_cast<wxDataViewCtrl*>(this->GetPeer());
 582   wxCHECK_RET(dataViewCtrlPtr != NULL,                               _("Pointer to data view control not set correctly."));
 583   wxCHECK_RET(dataViewCtrlPtr->GetModel() != NULL,                   _("Pointer to model not set correctly."));
 584   wxCHECK_RET(this->GetColumnIndex(propertyID,&columnIndex) == noErr,_("Could not determine column index."));
 585   dataViewColumnPtr = dataViewCtrlPtr->GetColumn(columnIndex);
 586   wxCHECK_RET(dataViewColumnPtr != NULL,_("No column for the specified column index existing."));
 587   dataViewCustomRendererPtr = dynamic_cast<wxDataViewCustomRenderer*>(dataViewColumnPtr->GetRenderer());
 588   wxCHECK_RET(dataViewCustomRendererPtr != NULL,_("No renderer or invalid renderer type specified for custom data column."));
 589
 590   wxDataViewItem dataitem( reinterpret_cast<void*>(itemID) );
 591   dataViewCtrlPtr->GetModel()->GetValue(dataToRender,dataitem,columnIndex);
 592   dataViewCustomRendererPtr->SetValue(dataToRender);
 593
 594  // try to determine the content's size (drawable part):
 595   Rect      content;
 596   RgnHandle rgn(NewRgn());
 597   UInt16    headerHeight;
 598
 599   if (this->GetRegion(kControlContentMetaPart,rgn) == noErr)
 600     GetRegionBounds(rgn,&content);
 601   else
 602     this->GetRect(&content);
 603   ::DisposeRgn(rgn);
 604  // space for the header
 605   this->GetHeaderButtonHeight(&headerHeight);
 606   content.top += headerHeight;
 607  // extra space for the frame (todo: do not how to determine the space automatically from the control)
 608   content.top    += 5;
 609   content.left   += 5;
 610   content.right  -= 3;
 611   content.bottom -= 3;
 612  // extra space for the scrollbars:
 613   content.bottom -= wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);
 614   content.right  -= wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
 615
 616   wxDC *dc = dataViewCustomRendererPtr->GetDC();
 617
 618   wxRect cellrect( static_cast<int>(rectangle->left),
 619                    static_cast<int>(rectangle->top+2),
 620                    static_cast<int>(1+rectangle->right-rectangle->left),
 621                    static_cast<int>(rectangle->bottom-rectangle->top) );
 622
 623   bool is_active = IsControlActive( this->m_controlRef );
 624   if (state == kDataBrowserItemIsSelected)
 625   {
 626
 627       wxColour col( wxMacCreateCGColorFromHITheme( (is_active) ?
 628                              kThemeBrushAlternatePrimaryHighlightColor
 629                              : kThemeBrushSecondaryHighlightColor ) );
 630
 631       wxRect rect = cellrect;
 632       Rect itemrect;
 633       GetDataBrowserItemPartBounds( this->m_controlRef, itemID, propertyID,
 634          kDataBrowserPropertyEnclosingPart, &itemrect );
 635       rect.x = itemrect.left;
 636       rect.width = itemrect.right-itemrect.left+1;
 637
 638       wxBrush selBrush( col );
 639       wxPen oldpen( dc->GetPen() );
 640       wxBrush oldbrush( dc->GetBrush() );
 641       dc->SetPen( *wxTRANSPARENT_PEN );
 642       dc->SetBrush( selBrush );
 643       dc->DrawRectangle(rect);
 644       dc->SetBrush( oldbrush );
 645       dc->SetPen( oldpen );
 646   }
 647
 648   wxDataViewModel *model = dataViewCtrlPtr->GetModel();
 649   if ((columnIndex == 0) || !model->IsContainer(dataitem) || model->HasContainerColumns(dataitem))
 650   {
 651       // make sure that 'Render' can draw only in the allowed area:
 652       dc->SetClippingRegion(content.left,content.top,content.right-content.left+1,content.bottom-content.top+1);
 653       (void) (dataViewCustomRendererPtr->Render( cellrect, dc,
 654                                             ((state == kDataBrowserItemIsSelected) ? wxDATAVIEW_CELL_SELECTED : 0)));
 655       dc->DestroyClippingRegion(); // probably not necessary
 656   }
 657
 658   dataViewCustomRendererPtr->SetDC(NULL);
 659 } /* wxMacDataViewDataBrowserListViewControl::DataBrowserDrawItemProc(DataBrowserItemID, DataBrowserPropertyID, DataBrowserItemState, Rect const*, SInt16, Boolean) */
 660
 661 OSStatus wxMacDataViewDataBrowserListViewControl::DataBrowserGetSetItemDataProc(DataBrowserItemID itemID, DataBrowserPropertyID propertyID, DataBrowserItemDataRef itemData, Boolean getValue)
 662 {
 663   if (getValue)
 664   {
 665    // variable definitions:
 666     wxDataViewCtrl* dataViewCtrlPtr;
 667
 668     dataViewCtrlPtr = dynamic_cast<wxDataViewCtrl*>(this->GetPeer());
 669     wxCHECK_MSG(dataViewCtrlPtr != NULL,errDataBrowserNotConfigured,_("Pointer to data view control not set correctly."));
 670     if (dataViewCtrlPtr->IsDeleting())
 671       return noErr; // if a delete process is running the data of editable fields cannot be saved because the associated model variable may already have been deleted
 672     else
 673     {
 674      // variable definitions:
 675       DataBrowserTableViewColumnIndex columnIndex;
 676       OSStatus                        errorStatus;
 677       wxDataViewColumn*               dataViewColumnPtr;
 678
 679       wxCHECK_MSG(dataViewCtrlPtr->GetModel() != NULL,errDataBrowserNotConfigured,_("Pointer to model not set correctly."));
 680       errorStatus = this->GetColumnIndex(propertyID,&columnIndex);
 681       wxCHECK_MSG(errorStatus == noErr,errorStatus,_("Could not determine column index"));
 682       dataViewColumnPtr = dataViewCtrlPtr->GetColumn(columnIndex);
 683       wxCHECK_MSG((dataViewColumnPtr != NULL) && (dataViewColumnPtr->GetRenderer() != NULL),errDataBrowserNotConfigured,_("There is no column or renderer for the specified column index."));
 684       switch (dataViewColumnPtr->GetRenderer()->GetPropertyType())
 685       {
 686         case kDataBrowserCheckboxType:
 687           {
 688            // variable definition:
 689             ThemeButtonValue buttonValue;
 690
 691             errorStatus = ::GetDataBrowserItemDataButtonValue(itemData,&buttonValue);
 692             if (errorStatus == noErr)
 693             {
 694               if (buttonValue == kThemeButtonOn)
 695               {
 696                // variable definition and initialization:
 697                 wxVariant modifiedData(true);
 698
 699                 return (dataViewCtrlPtr->GetModel()->SetValue(modifiedData,wxDataViewItem(reinterpret_cast<void*>(itemID)),static_cast<unsigned int>(columnIndex)) ? OSStatus(noErr) : OSStatus(errDataBrowserNotConfigured));
 700               } /* if */
 701               else if (buttonValue == kThemeButtonOff)
 702               {
 703                // variable definition and initialization:
 704                 wxVariant modifiedData(false);
 705
 706                 return (dataViewCtrlPtr->GetModel()->SetValue(modifiedData,wxDataViewItem(reinterpret_cast<void*>(itemID)),static_cast<unsigned int>(columnIndex)) ? OSStatus(noErr) : OSStatus(errDataBrowserNotConfigured));
 707               } /* if */
 708               else
 709                 return errDataBrowserInvalidPropertyData;
 710             } /* if */
 711             else
 712               return errorStatus;
 713           } /* block */
 714         case kDataBrowserTextType:
 715           {
 716            // variable definitions:
 717             CFStringRef stringReference;
 718
 719             errorStatus = ::GetDataBrowserItemDataText(itemData,&stringReference);
 720             if (errorStatus == noErr)
 721             {
 722              // variable definitions and initializations:
 723               wxMacCFStringHolder modifiedString(stringReference);
 724               wxVariant           modifiedData(modifiedString.AsString());
 725
 726               if (dataViewCtrlPtr->GetModel()->SetValue(modifiedData,wxDataViewItem(reinterpret_cast<void*>(itemID)),static_cast<unsigned int>(columnIndex)))
 727                 return noErr;
 728               else
 729                 return errDataBrowserNotConfigured;
 730             } /* if */
 731             else
 732               return errorStatus;
 733           } /* block */
 734         default:
 735           return errDataBrowserPropertyNotSupported;
 736       } /* switch */
 737     } /* if */
 738   } /* if */
 739   else
 740   {
 741     if (propertyID >= kMinPropertyID) // in case data columns set the data
 742     {
 743      // variable definitions:
 744       wxVariant         variant;
 745       wxDataViewColumn* dataViewColumnPtr;
 746       wxDataViewCtrl*   dataViewCtrlPtr;
 747
 748       dataViewCtrlPtr = dynamic_cast<wxDataViewCtrl*>(this->GetPeer());
 749       wxCHECK_MSG(dataViewCtrlPtr             != NULL,errDataBrowserNotConfigured,_("Pointer to data view control not set correctly."));
 750       wxCHECK_MSG(dataViewCtrlPtr->GetModel() != NULL,errDataBrowserNotConfigured,_("Pointer to model not set correctly."));
 751       dataViewColumnPtr = dataViewCtrlPtr->GetColumnPtr(propertyID);
 752       wxCHECK_MSG(dataViewColumnPtr                != NULL,errDataBrowserNotConfigured,_("No column for the specified column position existing."));
 753       wxCHECK_MSG(dataViewColumnPtr->GetRenderer() != NULL,errDataBrowserNotConfigured,_("No renderer specified for column."));
 754       dataViewCtrlPtr->GetModel()->GetValue(variant,wxDataViewItem(reinterpret_cast<void*>(itemID)),dataViewColumnPtr->GetModelColumn());
 755       if (!(variant.IsNull()))
 756       {
 757         dataViewColumnPtr->GetRenderer()->SetDataReference(itemData);
 758         dataViewColumnPtr->GetRenderer()->SetValue(variant);
 759         wxCHECK_MSG(dataViewColumnPtr->GetRenderer()->Render(),errDataBrowserNotConfigured,_("Rendering failed."));
 760       } /* if */
 761       return noErr;
 762     } /* if */
 763     else // react on special system requests
 764     {
 765       switch (propertyID)
 766       {
 767         case kDataBrowserContainerIsClosableProperty:
 768           {
 769            // variable definitions:
 770             wxDataViewCtrl* dataViewCtrlPtr(dynamic_cast<wxDataViewCtrl*>(this->GetPeer()));
 771
 772             wxCHECK_MSG(dataViewCtrlPtr != NULL,errDataBrowserNotConfigured,_("Pointer to data view control not set correctly."));
 773            // initialize wxWidget event:
 774             wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,dataViewCtrlPtr->GetId()); // variable definition
 775
 776             dataViewEvent.SetEventObject(dataViewCtrlPtr);
 777             dataViewEvent.SetItem(wxDataViewItem(reinterpret_cast<void*>(itemID)));
 778            // finally send the equivalent wxWidget event:
 779             dataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 780            // opening the container is allowed if not vetoed:
 781             return ::SetDataBrowserItemDataBooleanValue(itemData,dataViewEvent.IsAllowed());
 782           } /* block */
 783         case kDataBrowserContainerIsOpenableProperty:
 784           {
 785            // variable definitions:
 786             wxDataViewCtrl* dataViewCtrlPtr(dynamic_cast<wxDataViewCtrl*>(this->GetPeer()));
 787
 788             wxCHECK_MSG(dataViewCtrlPtr != NULL,errDataBrowserNotConfigured,_("Pointer to data view control not set correctly."));
 789            // initialize wxWidget event:
 790             wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,dataViewCtrlPtr->GetId()); // variable definition
 791
 792             dataViewEvent.SetEventObject(dataViewCtrlPtr);
 793             dataViewEvent.SetItem(wxDataViewItem(reinterpret_cast<void*>(itemID)));
 794            // finally send the equivalent wxWidget event:
 795             dataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 796            // opening the container is allowed if not vetoed:
 797             return ::SetDataBrowserItemDataBooleanValue(itemData,dataViewEvent.IsAllowed());
 798           } /* block */
 799         case kDataBrowserItemIsContainerProperty:
 800           {
 801            // variable definition:
 802             wxDataViewCtrl* dataViewCtrlPtr(dynamic_cast<wxDataViewCtrl*>(this->GetPeer()));
 803
 804             wxCHECK_MSG(dataViewCtrlPtr             != NULL,errDataBrowserNotConfigured,_("Pointer to data view control not set correctly."));
 805             wxCHECK_MSG(dataViewCtrlPtr->GetModel() != NULL,errDataBrowserNotConfigured,_("Pointer to model not set correctly."));
 806             return ::SetDataBrowserItemDataBooleanValue(itemData,dataViewCtrlPtr->GetModel()->IsContainer(wxDataViewItem(reinterpret_cast<void*>(itemID))));
 807           } /* block */
 808         case kDataBrowserItemIsEditableProperty:
 809           return ::SetDataBrowserItemDataBooleanValue(itemData,true);
 810       } /* switch */
 811     } /* if */
 812   } /* if */
 813   return errDataBrowserPropertyNotSupported;
 814 } /* wxMacDataViewDataBrowserListViewControl::DataBrowserGetSetItemDataProc(DataBrowserItemID, DataBrowserPropertyID, DataBrowserItemDataRef, Boolean) */
 815
 816 void wxMacDataViewDataBrowserListViewControl::DataBrowserItemNotificationProc(DataBrowserItemID itemID, DataBrowserItemNotification message, DataBrowserItemDataRef itemData)
 817 {
 818   wxDataViewCtrl* dataViewCtrlPtr(dynamic_cast<wxDataViewCtrl*>(this->GetPeer()));
 819
 820
 821  // check if the data view control pointer still exists because this call back function can still be called when the control has already been deleted:
 822   if (dataViewCtrlPtr != NULL)
 823     switch (message)
 824     {
 825       case kDataBrowserContainerClosed:
 826         {
 827          // initialize wxWidget event:
 828           wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,dataViewCtrlPtr->GetId()); // variable definition
 829
 830           dataViewEvent.SetEventObject(dataViewCtrlPtr);
 831           dataViewEvent.SetItem(wxDataViewItem(reinterpret_cast<void*>(itemID)));
 832          // finally send the equivalent wxWidget event:
 833           dataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 834         } /* block */
 835         break;
 836       case kDataBrowserContainerOpened:
 837         {
 838          // initialize wxWidget event:
 839           wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,dataViewCtrlPtr->GetId()); // variable definition
 840
 841           dataViewEvent.SetEventObject(dataViewCtrlPtr);
 842           dataViewEvent.SetItem(wxDataViewItem(reinterpret_cast<void*>(itemID)));
 843          // finally send the equivalent wxWidget event:
 844           dataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 845          // add children to the expanded container:
 846           dataViewCtrlPtr->AddChildrenLevel(wxDataViewItem(reinterpret_cast<void*>(itemID)));
 847         } /* block */
 848         break;
 849       case kDataBrowserEditStarted:
 850         {
 851          // initialize wxWidget event:
 852           DataBrowserPropertyID propertyID;
 853           wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED,dataViewCtrlPtr->GetId()); // variable definition
 854
 855           dataViewEvent.SetEventObject(dataViewCtrlPtr);
 856           dataViewEvent.SetItem(wxDataViewItem(reinterpret_cast<void*>(itemID)));
 857           if (this->GetPropertyID(itemData,&propertyID) == noErr)
 858           {
 859            // variable definition and initialization:
 860             DataBrowserTableViewColumnIndex columnIndex;
 861
 862             wxCHECK_RET(this->GetColumnIndex(propertyID,&columnIndex),_("Column index not found."));
 863             dataViewEvent.SetColumn(columnIndex);
 864             dataViewEvent.SetDataViewColumn(dataViewCtrlPtr->GetColumnPtr(propertyID));
 865           } /* if */
 866          // finally send the equivalent wxWidget event:
 867           dataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 868         } /* block */
 869         break;
 870       case kDataBrowserEditStopped:
 871         {
 872          // initialize wxWidget event:
 873           DataBrowserPropertyID propertyID;
 874           wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE,dataViewCtrlPtr->GetId()); // variable definition
 875
 876           dataViewEvent.SetEventObject(dataViewCtrlPtr);
 877           dataViewEvent.SetItem(wxDataViewItem(reinterpret_cast<void*>(itemID)));
 878           if (this->GetPropertyID(itemData,&propertyID) == noErr)
 879           {
 880            // variable definition and initialization:
 881             DataBrowserTableViewColumnIndex columnIndex;
 882
 883             wxCHECK_RET(this->GetColumnIndex(propertyID,&columnIndex),_("Column index not found."));
 884             dataViewEvent.SetColumn(columnIndex);
 885             dataViewEvent.SetDataViewColumn(dataViewCtrlPtr->GetColumnPtr(propertyID));
 886           } /* if */
 887          // finally send the equivalent wxWidget event:
 888           dataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 889         } /* block */
 890         break;
 891       case kDataBrowserItemAdded:
 892         break; // not used anymore
 893       case kDataBrowserItemDeselected:
 894         break; // not implemented by wxWidgets; see kDataBrowserSelectionSetChanged
 895       case kDataBrowserItemDoubleClicked:
 896         {
 897          // initialize wxWidget event:
 898           wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,dataViewCtrlPtr->GetId()); // variable definition
 899
 900           dataViewEvent.SetEventObject(dataViewCtrlPtr);
 901           dataViewEvent.SetItem(wxDataViewItem(reinterpret_cast<void*>(itemID)));
 902          // finally send the equivalent wxWidget event:
 903           dataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 904         } /* block */
 905         break;
 906       case kDataBrowserItemRemoved:
 907         break; // not used anymore
 908       case kDataBrowserItemSelected:
 909         break; // not implemented by wxWidgets; see kDataBrowserSelectionSetChanged
 910       case kDataBrowserSelectionSetChanged:
 911         {
 912          // initialize wxWidget event:
 913           wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED,dataViewCtrlPtr->GetId()); // variable definition
 914
 915           dataViewEvent.SetEventObject(dataViewCtrlPtr);
 916           dataViewEvent.SetModel      (dataViewCtrlPtr->GetModel());
 917          // finally send the equivalent wxWidget event:
 918           dataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 919         } /* block */
 920         break;
 921       case kDataBrowserUserStateChanged:
 922         {
 923          // update column widths:
 924           for (size_t i=0; i<dataViewCtrlPtr->GetColumnCount(); ++i)
 925           {
 926            // constant definition for abbreviational purposes:
 927             wxDataViewColumn* const columnPtr = dataViewCtrlPtr->GetColumn(i);
 928            // variable definition:
 929             UInt16 columnWidth;
 930
 931             wxCHECK_RET(this->GetColumnWidth(columnPtr->GetPropertyID(),&columnWidth) == noErr,_("Column width could not be determined"));
 932             columnPtr->SetWidthVariable(columnWidth);
 933           } /* for */
 934          // update order status:
 935           DataBrowserPropertyID propertyID; // variable definition
 936
 937           if ((this->GetSortProperty(&propertyID) == noErr) && (propertyID >= kMinPropertyID))
 938           {
 939             DataBrowserSortOrder            sortOrder;
 940             DataBrowserTableViewColumnIndex columnIndex;
 941
 942             if ((this->GetSortOrder(&sortOrder) == noErr) && (this->GetColumnIndex(propertyID,&columnIndex) == noErr))
 943             {
 944              // variable definition and initialization:
 945               wxDataViewColumn* columnPtr;
 946               columnPtr = dataViewCtrlPtr->GetColumn(columnIndex);
 947              // check if the sort order has changed:
 948               if (  columnPtr->IsSortOrderAscending()  && (sortOrder == kDataBrowserOrderDecreasing) ||
 949                   !(columnPtr->IsSortOrderAscending()) && (sortOrder == kDataBrowserOrderIncreasing))
 950               {
 951                 columnPtr->SetSortOrder(!(columnPtr->IsSortOrderAscending()));
 952                // initialize wxWidget event:
 953                 wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED,dataViewCtrlPtr->GetId()); // variable defintion
 954
 955                 dataViewEvent.SetEventObject(dataViewCtrlPtr);
 956                 dataViewEvent.SetColumn(columnIndex);
 957                 dataViewEvent.SetDataViewColumn(columnPtr);
 958                // finally send the equivalent wxWidget event:
 959                 dataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 960               } /* if */
 961             } /* if */
 962           } /* if */
 963         } /* block */
 964         break;
 965     } /* switch */
 966 } /* wxMacDataViewDataBrowserListViewControl::DataBrowserItemNotificationProc(DataBrowserItemID, DataBrowserItemNotification, DataBrowserItemDataRef) */
 967
 968
 969 #endif // wxUSE_DATAVIEWCTRL && !wxUSE_GENERICDATAVIEWCTRL