src/osx/dataview_osx.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/dataview_osx.cpp
   3 // Purpose:     wxDataViewCtrl native mac implementation
   4 // Author:
   5 // Id:          $Id$
   6 // Copyright:   (c) 2009
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if (wxUSE_DATAVIEWCTRL != 0) && (!defined(wxUSE_GENERICDATAVIEWCTRL) || (wxUSE_GENERICDATAVIEWCTRL == 0))
  14
  15 #include <limits>
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/timer.h"
  19     #include "wx/settings.h"
  20     #include "wx/dcclient.h"
  21     #include "wx/icon.h"
  22 #endif
  23
  24 #include "wx/osx/core/dataview.h"
  25 #include "wx/osx/private.h"
  26 #include "wx/renderer.h"
  27
  28 // ============================================================================
  29 // Helper functions for dataviewe implementation on OSX
  30 // ============================================================================
  31 wxString ConcatenateDataViewItemValues(wxDataViewCtrl const* dataViewCtrlPtr, wxDataViewItem const& dataViewItem)
  32 {
  33   wxString dataString; // contains the TAB concatenated data
  34
  35
  36   for (size_t i=0; i<dataViewCtrlPtr->GetColumnCount(); i++)
  37   {
  38    // variable definition:
  39     wxVariant dataValue;
  40
  41     dataViewCtrlPtr->GetModel()->GetValue(dataValue,dataViewItem,dataViewCtrlPtr->GetColumn(i)->GetModelColumn());
  42     if (i > 0)
  43       dataString << wxT('\t');
  44     dataString << dataValue.MakeString();
  45   }
  46   return dataString;
  47 }
  48
  49 // ============================================================================
  50 // wxOSXDataViewModelNotifier
  51 // ============================================================================
  52 class wxOSXDataViewModelNotifier : public wxDataViewModelNotifier
  53 {
  54 public:
  55  //
  56  // constructors / destructor
  57  //
  58   wxOSXDataViewModelNotifier(wxDataViewCtrl* initDataViewCtrlPtr);
  59
  60  //
  61  // inherited methods from wxDataViewModelNotifier
  62  //
  63   virtual bool ItemAdded   (wxDataViewItem const &parent, wxDataViewItem const &item);
  64   virtual bool ItemsAdded  (wxDataViewItem const& parent, wxDataViewItemArray const& items);
  65   virtual bool ItemChanged (wxDataViewItem const& item);
  66   virtual bool ItemsChanged(wxDataViewItemArray const& items);
  67   virtual bool ItemDeleted (wxDataViewItem const& parent, wxDataViewItem const& item);
  68   virtual bool ItemsDeleted(wxDataViewItem const& parent, wxDataViewItemArray const& items);
  69   virtual bool ValueChanged(wxDataViewItem const& item, unsigned int col);
  70   virtual bool Cleared();
  71   virtual void Resort();
  72
  73 protected:
  74  // if the dataview control can have a variable row height this method sets the dataview's control row height of
  75  // the passed item to the maximum value occupied by the item in all columns
  76   void AdjustRowHeight(wxDataViewItem const& item);
  77  // ... and the same method for a couple of items:
  78   void AdjustRowHeights(wxDataViewItemArray const& items);
  79  // adjust wxCOL_WIDTH_AUTOSIZE columns to fit the data
  80   void AdjustAutosizedColumns();
  81
  82 private:
  83   wxDataViewCtrl* m_DataViewCtrlPtr;
  84 };
  85
  86 //
  87 // constructors / destructor
  88 //
  89 wxOSXDataViewModelNotifier::wxOSXDataViewModelNotifier(wxDataViewCtrl* initDataViewCtrlPtr)
  90                            :m_DataViewCtrlPtr(initDataViewCtrlPtr)
  91 {
  92   if (initDataViewCtrlPtr == NULL)
  93     wxFAIL_MSG("Pointer to dataview control must not be NULL");
  94 }
  95
  96 bool wxOSXDataViewModelNotifier::ItemAdded(wxDataViewItem const& parent, wxDataViewItem const& item)
  97 {
  98   bool noFailureFlag;
  99
 100
 101   wxCHECK_MSG(item.IsOk(),false,"Added item is invalid.");
 102   noFailureFlag = m_DataViewCtrlPtr->GetDataViewPeer()->Add(parent,item);
 103   AdjustRowHeight(item);
 104   return noFailureFlag;
 105 }
 106
 107 bool wxOSXDataViewModelNotifier::ItemsAdded(wxDataViewItem const& parent, wxDataViewItemArray const& items)
 108 {
 109   bool noFailureFlag;
 110
 111
 112  // insert all valid items into control:
 113   noFailureFlag = m_DataViewCtrlPtr->GetDataViewPeer()->Add(parent,items);
 114  // adjust row heights:
 115   AdjustRowHeights(items);
 116  // done:
 117   return noFailureFlag;
 118 }
 119
 120 bool wxOSXDataViewModelNotifier::ItemChanged(wxDataViewItem const& item)
 121 {
 122   wxCHECK_MSG(item.IsOk(),             false,"Changed item is invalid.");
 123   wxCHECK_MSG(GetOwner() != NULL,false,"Owner not initialized.");
 124   if (m_DataViewCtrlPtr->GetDataViewPeer()->Update(GetOwner()->GetParent(item),item))
 125   {
 126    // sent the equivalent wxWidget event:
 127     wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED,m_DataViewCtrlPtr->GetId());
 128
 129     dataViewEvent.SetEventObject(m_DataViewCtrlPtr);
 130     dataViewEvent.SetItem(item);
 131    // sent the equivalent wxWidget event:
 132     m_DataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 133    // row height may have to be adjusted:
 134     AdjustRowHeight(item);
 135     AdjustAutosizedColumns();
 136    // done
 137     return true;
 138   }
 139   else
 140     return false;
 141 }
 142
 143 bool wxOSXDataViewModelNotifier::ItemsChanged(wxDataViewItemArray const& items)
 144 {
 145   size_t const noOfItems = items.GetCount();
 146
 147   wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED,m_DataViewCtrlPtr->GetId());
 148
 149
 150   dataViewEvent.SetEventObject(m_DataViewCtrlPtr);
 151   for (size_t indexItem=0; indexItem<noOfItems; ++indexItem)
 152     if (m_DataViewCtrlPtr->GetDataViewPeer()->Update(GetOwner()->GetParent(items[indexItem]),items[indexItem]))
 153     {
 154      // send for all changed items a wxWidget event:
 155       dataViewEvent.SetItem(items[indexItem]);
 156       m_DataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 157     }
 158     else
 159       return false;
 160  // if this location is reached all items have been updated:
 161   AdjustRowHeights(items);
 162   AdjustAutosizedColumns();
 163  // done:
 164   return true;
 165 }
 166
 167 bool wxOSXDataViewModelNotifier::ItemDeleted(wxDataViewItem const& parent, wxDataViewItem const& item)
 168 {
 169   bool noFailureFlag;
 170
 171
 172   wxCHECK_MSG(item.IsOk(),false,"To be deleted item is invalid.");
 173  // when this method is called and currently an item is being edited this item may have already been deleted in the model (the passed item and the being edited item have
 174  // not to be identical because the being edited item might be below the passed item in the hierarchy);
 175  // to prevent the control trying to ask the model to update an already deleted item the control is informed that currently a deleting process
 176  // has been started and that variables can currently not be updated even when requested by the system:
 177   m_DataViewCtrlPtr->SetDeleting(true);
 178   noFailureFlag = m_DataViewCtrlPtr->GetDataViewPeer()->Remove(parent,item);
 179  // enable automatic updating again:
 180   m_DataViewCtrlPtr->SetDeleting(false);
 181
 182   AdjustAutosizedColumns();
 183  // done:
 184   return noFailureFlag;
 185 }
 186
 187 bool wxOSXDataViewModelNotifier::ItemsDeleted(wxDataViewItem const& parent, wxDataViewItemArray const& items)
 188 {
 189   bool noFailureFlag;
 190
 191
 192  // when this method is called and currently an item is being edited this item may have already been deleted in the model (the passed item and the being edited item have
 193  // not to be identical because the being edited item might be below the passed item in the hierarchy);
 194  // to prevent the control trying to ask the model to update an already deleted item the control is informed that currently a deleting process
 195  // has been started and that variables can currently not be updated even when requested by the system:
 196   m_DataViewCtrlPtr->SetDeleting(true);
 197  // delete all specified items:
 198   noFailureFlag = m_DataViewCtrlPtr->GetDataViewPeer()->Remove(parent,items);
 199  // enable automatic updating again:
 200   m_DataViewCtrlPtr->SetDeleting(false);
 201
 202   AdjustAutosizedColumns();
 203  // done:
 204   return noFailureFlag;
 205 }
 206
 207 bool wxOSXDataViewModelNotifier::ValueChanged(wxDataViewItem const& item, unsigned int col)
 208 {
 209   wxCHECK_MSG(item.IsOk(),             false,"Passed item is invalid.");
 210   wxCHECK_MSG(GetOwner() != NULL,false,"Owner not initialized.");
 211   if (m_DataViewCtrlPtr->GetDataViewPeer()->Update(GetOwner()->GetParent(item),item))
 212   {
 213     wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED,m_DataViewCtrlPtr->GetId());
 214
 215     dataViewEvent.SetEventObject(m_DataViewCtrlPtr);
 216     dataViewEvent.SetColumn(col);
 217     dataViewEvent.SetItem(item);
 218    // send the equivalent wxWidget event:
 219     m_DataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 220
 221     AdjustAutosizedColumns();
 222    // done
 223     return true;
 224   }
 225   else
 226     return false;
 227 }
 228
 229 bool wxOSXDataViewModelNotifier::Cleared()
 230 {
 231   return m_DataViewCtrlPtr->GetDataViewPeer()->Reload();
 232 }
 233
 234 void wxOSXDataViewModelNotifier::Resort()
 235 {
 236   m_DataViewCtrlPtr->GetDataViewPeer()->Resort();
 237 }
 238
 239 void wxOSXDataViewModelNotifier::AdjustRowHeight(wxDataViewItem const& item)
 240 {
 241   if ((m_DataViewCtrlPtr->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) != 0)
 242   {
 243       wxDataViewModel *model = GetOwner();
 244
 245       int height = 20; // TODO find out standard height
 246       unsigned int num = m_DataViewCtrlPtr->GetColumnCount();
 247       unsigned int col;
 248       for (col = 0; col < num; col++)
 249       {
 250           wxDataViewColumn* column(m_DataViewCtrlPtr->GetColumnPtr(col));
 251
 252           if (!(column->IsHidden()))
 253           {
 254             wxDataViewCustomRenderer *renderer = dynamic_cast<wxDataViewCustomRenderer*>(column->GetRenderer());
 255             if (renderer)
 256             {
 257                 wxVariant value;
 258                 model->GetValue( value, item, column->GetModelColumn() );
 259                 renderer->SetValue( value );
 260                 height = wxMax( height, renderer->GetSize().y );
 261             }
 262           }
 263       }
 264       if (height > 20)
 265         m_DataViewCtrlPtr->GetDataViewPeer()->SetRowHeight(item,height);
 266   }
 267 }
 268
 269 void wxOSXDataViewModelNotifier::AdjustRowHeights(wxDataViewItemArray const& items)
 270 {
 271   if ((m_DataViewCtrlPtr->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) != 0)
 272   {
 273       size_t const noOfItems = items.GetCount();
 274
 275       wxDataViewModel *model = GetOwner();
 276
 277       for (size_t itemIndex=0; itemIndex<noOfItems; ++itemIndex)
 278       {
 279         int height = 20; // TODO find out standard height
 280         unsigned int num = m_DataViewCtrlPtr->GetColumnCount();
 281         unsigned int col;
 282
 283         for (col = 0; col < num; col++)
 284         {
 285             wxDataViewColumn* column(m_DataViewCtrlPtr->GetColumnPtr(col));
 286
 287             if (!(column->IsHidden()))
 288             {
 289               wxDataViewCustomRenderer *renderer = dynamic_cast<wxDataViewCustomRenderer*>(column->GetRenderer());
 290               if (renderer)
 291               {
 292                   wxVariant value;
 293                   model->GetValue( value, items[itemIndex], column->GetModelColumn() );
 294                   renderer->SetValue( value );
 295                   height = wxMax( height, renderer->GetSize().y );
 296               }
 297             }
 298         }
 299         if (height > 20)
 300           m_DataViewCtrlPtr->GetDataViewPeer()->SetRowHeight(items[itemIndex],height);
 301       }
 302   }
 303 }
 304
 305 void wxOSXDataViewModelNotifier::AdjustAutosizedColumns()
 306 {
 307   unsigned count = m_DataViewCtrlPtr->GetColumnCount();
 308   for ( unsigned col = 0; col < count; col++ )
 309   {
 310       wxDataViewColumn *column = m_DataViewCtrlPtr->GetColumnPtr(col);
 311
 312       if ( column->GetWidthVariable() == wxCOL_WIDTH_AUTOSIZE )
 313         m_DataViewCtrlPtr->GetDataViewPeer()->FitColumnWidthToContent(col);
 314   }
 315 }
 316
 317 // ---------------------------------------------------------
 318 // wxDataViewCustomRenderer
 319 // The constructor, the implementation macro and environment
 320 // dependent methods can be found in the environment's
 321 // source file.
 322 // ---------------------------------------------------------
 323 wxDataViewCustomRenderer::~wxDataViewCustomRenderer()
 324 {
 325   delete m_DCPtr;
 326 }
 327
 328 wxDC* wxDataViewCustomRenderer::GetDC()
 329 {
 330   if ((m_DCPtr == NULL) && (GetOwner() != NULL) && (GetOwner()->GetOwner() != NULL))
 331     m_DCPtr = new wxClientDC(GetOwner()->GetOwner());
 332   return m_DCPtr;
 333 }
 334
 335 void wxDataViewCustomRenderer::SetDC(wxDC* newDCPtr)
 336 {
 337   delete m_DCPtr;
 338   m_DCPtr = newDCPtr;
 339 }
 340
 341 //-----------------------------------------------------------------------------
 342 // wxDataViewCtrl
 343 //-----------------------------------------------------------------------------
 344
 345 wxDataViewCtrl::~wxDataViewCtrl()
 346 {
 347   ClearColumns();
 348 }
 349
 350 void wxDataViewCtrl::Init()
 351 {
 352   m_CustomRendererPtr = NULL;
 353   m_Deleting          = false;
 354   m_cgContext         = NULL;
 355 }
 356
 357 bool wxDataViewCtrl::Create(wxWindow *parent,
 358                             wxWindowID id,
 359                             const wxPoint& pos,
 360                             const wxSize& size,
 361                             long style,
 362                             const wxValidator& validator,
 363                             const wxString& name)
 364 {
 365   DontCreatePeer();
 366   if (!(wxControl::Create(parent,id,pos,size,style,validator,name)))
 367     return false;
 368   SetPeer(::CreateDataView(this,parent,id,pos,size,style,GetExtraStyle()));
 369
 370   MacPostControlCreate(pos,size);
 371
 372   return true;
 373 }
 374
 375 bool wxDataViewCtrl::AssociateModel(wxDataViewModel* model)
 376 {
 377   wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer());
 378
 379
 380   wxCHECK_MSG(dataViewWidgetPtr != NULL,false,"Pointer to native control must not be NULL.");
 381   if (wxDataViewCtrlBase::AssociateModel(model) && dataViewWidgetPtr->AssociateModel(model))
 382   {
 383     if (model != NULL)
 384       model->AddNotifier(new wxOSXDataViewModelNotifier(this));
 385     return true;
 386   }
 387   else
 388     return false;
 389 }
 390
 391 bool wxDataViewCtrl::AppendColumn(wxDataViewColumn* columnPtr)
 392 {
 393    return wxDataViewCtrl::InsertColumn( GetColumnCount(), columnPtr );
 394 }
 395
 396 bool wxDataViewCtrl::PrependColumn(wxDataViewColumn* columnPtr)
 397 {
 398    return wxDataViewCtrl::InsertColumn( 0, columnPtr );
 399 }
 400
 401 bool wxDataViewCtrl::InsertColumn(unsigned int pos, wxDataViewColumn* columnPtr)
 402 {
 403   wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer());
 404
 405  // first, some error checking:
 406   wxCHECK_MSG(dataViewWidgetPtr != NULL,                                         false,"Pointer to native control must not be NULL.");
 407   wxCHECK_MSG(columnPtr != NULL,                                                 false,"Column pointer must not be NULL.");
 408   wxCHECK_MSG(columnPtr->GetRenderer() != NULL,                                  false,"Column does not have a renderer.");
 409   wxCHECK_MSG(GetModel() != NULL,                                          false,"No model associated with control.");
 410   wxCHECK_MSG(columnPtr->GetModelColumn() < GetModel()->GetColumnCount(),false,"Column's model column has no equivalent in the associated model.");
 411
 412  // add column to wxWidget's internal structure:
 413   if (wxDataViewCtrlBase::InsertColumn(pos,columnPtr))
 414   {
 415     m_ColumnPtrs.Add(columnPtr);
 416    // if the insertion in the native control is successful the rest can also be initialized:
 417     if (dataViewWidgetPtr->InsertColumn(pos,columnPtr))
 418     {
 419      // make sure that the data is up-to-date...
 420      // if the newly appended column is the first column add the initial data to the control and mark the column as an expander column,
 421      // otherwise ask the control to 'update' the data in the newly appended column:
 422       if (GetColumnCount() == 1)
 423         SetExpanderColumn(columnPtr);
 424      // done:
 425       return true;
 426     }
 427     else
 428     {
 429      // clean-up:
 430       m_ColumnPtrs.Remove(columnPtr);
 431       delete columnPtr;
 432      // and send a message in debug mode:
 433       wxFAIL_MSG("Column could not be added to native control.");
 434      // failed:
 435       return false;
 436     }
 437   }
 438   else
 439   {
 440    // clean-up:
 441     delete columnPtr;
 442     wxFAIL_MSG("Could not add column to internal structures.");
 443    // failed:
 444     return false;
 445   }
 446 }
 447
 448 bool wxDataViewCtrl::ClearColumns()
 449 {
 450   if (GetDataViewPeer()->ClearColumns())
 451   {
 452     WX_CLEAR_ARRAY(m_ColumnPtrs);
 453     return true;
 454   }
 455   else
 456     return false;
 457 }
 458
 459 bool wxDataViewCtrl::DeleteColumn(wxDataViewColumn* columnPtr)
 460 {
 461   if (GetDataViewPeer()->DeleteColumn(columnPtr))
 462   {
 463     m_ColumnPtrs.Remove(columnPtr);
 464     delete columnPtr;
 465     return true;
 466   }
 467   else
 468     return false;
 469 }
 470
 471 wxDataViewColumn* wxDataViewCtrl::GetColumn(unsigned int pos) const
 472 {
 473   return GetDataViewPeer()->GetColumn(pos);
 474 }
 475
 476 unsigned int wxDataViewCtrl::GetColumnCount() const
 477 {
 478   return m_ColumnPtrs.GetCount();
 479 }
 480
 481 int wxDataViewCtrl::GetColumnPosition(wxDataViewColumn const* columnPtr) const
 482 {
 483   return GetDataViewPeer()->GetColumnPosition(columnPtr);
 484 }
 485
 486 void wxDataViewCtrl::Collapse(wxDataViewItem const& item)
 487 {
 488   GetDataViewPeer()->Collapse(item);
 489 }
 490
 491 void wxDataViewCtrl::EnsureVisible(wxDataViewItem const& item, wxDataViewColumn const* columnPtr)
 492 {
 493   if (item.IsOk())
 494   {
 495     ExpandAncestors(item); // make sure that the item exists in the control
 496     GetDataViewPeer()->EnsureVisible(item,columnPtr);
 497   }
 498 }
 499
 500 void wxDataViewCtrl::Expand(wxDataViewItem const& item)
 501 {
 502   return GetDataViewPeer()->Expand(item);
 503 }
 504
 505 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
 506 {
 507   return (item.IsOk() && GetDataViewPeer()->IsExpanded(item));
 508 }
 509
 510 wxDataViewColumn* wxDataViewCtrl::GetSortingColumn() const
 511 {
 512   return GetDataViewPeer()->GetSortingColumn();
 513 }
 514
 515 unsigned int wxDataViewCtrl::GetCount() const
 516 {
 517   return GetDataViewPeer()->GetCount();
 518 }
 519
 520 wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
 521 {
 522     return GetDataViewPeer()->GetCurrentItem();
 523 }
 524
 525 void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
 526 {
 527     GetDataViewPeer()->SetCurrentItem(item);
 528 }
 529
 530 wxRect wxDataViewCtrl::GetItemRect(wxDataViewItem const& item, wxDataViewColumn const* columnPtr) const
 531 {
 532   if (item.IsOk() && (columnPtr != NULL))
 533     return GetDataViewPeer()->GetRectangle(item,columnPtr);
 534   else
 535     return wxRect();
 536 }
 537
 538 wxDataViewItem wxDataViewCtrl::GetSelection() const
 539 {
 540   wxDataViewItemArray itemIDs;
 541
 542
 543   if (GetDataViewPeer()->GetSelections(itemIDs) > 0)
 544     return itemIDs[0];
 545   else
 546     return wxDataViewItem();
 547 }
 548
 549 int wxDataViewCtrl::GetSelections(wxDataViewItemArray& sel) const
 550 {
 551   return GetDataViewPeer()->GetSelections(sel);
 552 }
 553
 554 void wxDataViewCtrl::HitTest(wxPoint const& point, wxDataViewItem& item, wxDataViewColumn*& columnPtr) const
 555 {
 556   return GetDataViewPeer()->HitTest(point,item,columnPtr);
 557 }
 558
 559 bool wxDataViewCtrl::IsSelected(wxDataViewItem const& item) const
 560 {
 561   return GetDataViewPeer()->IsSelected(item);
 562 }
 563
 564 void wxDataViewCtrl::Select(wxDataViewItem const& item)
 565 {
 566   if (item.IsOk())
 567   {
 568     ExpandAncestors(item); // make sure that the item exists in the control
 569     GetDataViewPeer()->Select(item);
 570   }
 571 }
 572
 573 void wxDataViewCtrl::SelectAll()
 574 {
 575   GetDataViewPeer()->SelectAll();
 576 }
 577
 578 void wxDataViewCtrl::SetSelections(wxDataViewItemArray const& sel)
 579 {
 580     size_t const noOfSelections = sel.GetCount();
 581
 582     size_t i;
 583
 584     wxDataViewItem last_parent;
 585
 586
 587    // make sure that all to be selected items are visible in the control:
 588     for (i = 0; i < noOfSelections; i++)
 589     {
 590         wxDataViewItem item   = sel[i];
 591         wxDataViewItem parent = GetModel()->GetParent( item );
 592
 593         if (parent.IsOk() && (parent != last_parent))
 594           ExpandAncestors(item);
 595         last_parent = parent;
 596     }
 597
 598    // finally select the items:
 599     wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer()); // variable definition for abbreviational purposes
 600
 601     for (i=0; i<noOfSelections; ++i)
 602       dataViewWidgetPtr->Select(sel[i]);
 603 }
 604
 605 void wxDataViewCtrl::Unselect(wxDataViewItem const& item)
 606 {
 607   if (item.IsOk())
 608     GetDataViewPeer()->Unselect(item);
 609 }
 610
 611 void wxDataViewCtrl::UnselectAll()
 612 {
 613   GetDataViewPeer()->UnselectAll();
 614 }
 615
 616 //
 617 // implementation
 618 //
 619 wxDataViewWidgetImpl* wxDataViewCtrl::GetDataViewPeer() const
 620 {
 621   return dynamic_cast<wxDataViewWidgetImpl*>(GetPeer());
 622 }
 623
 624 void wxDataViewCtrl::AddChildren(wxDataViewItem const& parentItem)
 625 {
 626   int noOfChildren;
 627
 628   wxDataViewItemArray items;
 629
 630
 631   wxCHECK_RET(GetModel() != NULL,"Model pointer not initialized.");
 632   noOfChildren = GetModel()->GetChildren(parentItem,items);
 633   (void) GetModel()->ItemsAdded(parentItem,items);
 634 }
 635
 636 void wxDataViewCtrl::FinishCustomItemEditing()
 637 {
 638   if (GetCustomRendererItem().IsOk())
 639   {
 640     GetCustomRendererPtr()->FinishEditing();
 641     SetCustomRendererItem(wxDataViewItem());
 642     SetCustomRendererPtr (NULL);
 643   }
 644 }
 645
 646 /*static*/
 647 wxVisualAttributes
 648 wxDataViewCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 649 {
 650     wxVisualAttributes attr;
 651
 652     attr.colFg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
 653     attr.colBg = wxSystemSettings::GetColour( wxSYS_COLOUR_LISTBOX );
 654     static wxFont font = wxFont(wxOSX_SYSTEM_FONT_VIEWS);
 655     attr.font = font;
 656
 657     return attr;
 658 }
 659
 660 // inherited methods from wxDataViewCtrlBase
 661 void wxDataViewCtrl::DoSetExpanderColumn()
 662 {
 663   if (GetExpanderColumn() != NULL)
 664     GetDataViewPeer()->DoSetExpanderColumn(GetExpanderColumn());
 665 }
 666
 667 void wxDataViewCtrl::DoSetIndent()
 668 {
 669   GetDataViewPeer()->DoSetIndent(GetIndent());
 670 }
 671
 672 // event handling:
 673 void wxDataViewCtrl::OnSize(wxSizeEvent& event)
 674 {
 675   unsigned int const noOfColumns = GetColumnCount();
 676
 677
 678  // reset DC of all custom renderers because DC has changed:
 679   for (unsigned int i=0; i<noOfColumns; ++i)
 680   {
 681     wxDataViewColumn* dataViewColumnPtr(GetColumn(i));
 682
 683     if (dataViewColumnPtr != NULL)
 684     {
 685       wxDataViewCustomRenderer* dataViewCustomRendererPtr(dynamic_cast<wxDataViewCustomRenderer*>(dataViewColumnPtr->GetRenderer()));
 686
 687       if (dataViewCustomRendererPtr != NULL)
 688         dataViewCustomRendererPtr->SetDC(NULL);
 689     }
 690   }
 691
 692  // update the layout of the native control after a size event:
 693   GetDataViewPeer()->OnSize();
 694
 695   event.Skip();
 696 }
 697
 698 wxSize wxDataViewCtrl::DoGetBestSize() const
 699 {
 700     wxSize best = wxControl::DoGetBestSize();
 701     best.y = 80;
 702
 703     return best;
 704 }
 705
 706 void wxDataViewCtrl::OnMouse(wxMouseEvent& event)
 707 {
 708     event.Skip();
 709
 710     if (GetModel() == NULL)
 711         return;
 712
 713 #if 0
 714     // Doesn't compile anymore
 715     wxMacDataViewDataBrowserListViewControlPointer MacDataViewListCtrlPtr(dynamic_cast<wxMacDataViewDataBrowserListViewControlPointer>(m_peer));
 716
 717     int NoOfChildren;
 718     wxDataViewItemArray items;
 719     NoOfChildren = GetModel()->GetChildren( wxDataViewItem(), items);
 720     if (NoOfChildren == 0)
 721        return;
 722     wxDataViewItem firstChild = items[0];
 723
 724     UInt16 headerHeight = 0;
 725     MacDataViewListCtrlPtr->GetHeaderButtonHeight(&headerHeight);
 726
 727
 728     if (event.GetY() < headerHeight)
 729     {
 730        unsigned int col_count = GetColumnCount();
 731        unsigned int col;
 732        for (col = 0; col < col_count; col++)
 733        {
 734            wxDataViewColumn *column = GetColumn( col );
 735            if (column->IsHidden())
 736               continue;
 737
 738            Rect itemrect;
 739            ::GetDataBrowserItemPartBounds( MacDataViewListCtrlPtr->GetControlRef(),
 740               reinterpret_cast<DataBrowserItemID>(firstChild.GetID()), column->GetPropertyID(),
 741               kDataBrowserPropertyEnclosingPart, &itemrect );
 742
 743            if (abs( event.GetX() - itemrect.right) < 3)
 744            {
 745                if (column->GetFlags() & wxDATAVIEW_COL_RESIZABLE)
 746                   SetCursor( wxCursor( wxCURSOR_SIZEWE ) );
 747                else
 748                   SetCursor( *wxSTANDARD_CURSOR );
 749                return;
 750            }
 751        }
 752
 753     }
 754
 755     SetCursor( *wxSTANDARD_CURSOR );
 756 #endif
 757 }
 758
 759 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl,wxDataViewCtrlBase)
 760
 761 BEGIN_EVENT_TABLE(wxDataViewCtrl,wxDataViewCtrlBase)
 762   EVT_SIZE(wxDataViewCtrl::OnSize)
 763   EVT_MOTION(wxDataViewCtrl::OnMouse)
 764 END_EVENT_TABLE()
 765
 766 #endif // (wxUSE_DATAVIEWCTRL != 0) && (!defined(wxUSE_GENERICDATAVIEWCTRL) || (wxUSE_GENERICDATAVIEWCTRL == 0))
 767