src/osx/dataview_osx.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/dataview_osx.cpp
   3 // Purpose:     wxDataViewCtrl native mac implementation
   4 // Author:
   5 // Id:          $Id: dataview_osx.cpp 58317 2009-01-27
   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
  80 private:
  81   wxDataViewCtrl* m_DataViewCtrlPtr;
  82 };
  83
  84 //
  85 // constructors / destructor
  86 //
  87 wxOSXDataViewModelNotifier::wxOSXDataViewModelNotifier(wxDataViewCtrl* initDataViewCtrlPtr)
  88                            :m_DataViewCtrlPtr(initDataViewCtrlPtr)
  89 {
  90   if (initDataViewCtrlPtr == NULL)
  91     wxFAIL_MSG(_("Pointer to dataview control must not be NULL"));
  92 }
  93
  94 bool wxOSXDataViewModelNotifier::ItemAdded(wxDataViewItem const& parent, wxDataViewItem const& item)
  95 {
  96   bool noFailureFlag;
  97
  98
  99   wxCHECK_MSG(item.IsOk(),false,_("Added item is invalid."));
 100   noFailureFlag = m_DataViewCtrlPtr->GetDataViewPeer()->Add(parent,item);
 101   AdjustRowHeight(item);
 102   return noFailureFlag;
 103 }
 104
 105 bool wxOSXDataViewModelNotifier::ItemsAdded(wxDataViewItem const& parent, wxDataViewItemArray const& items)
 106 {
 107   bool noFailureFlag;
 108
 109
 110  // insert all valid items into control:
 111   noFailureFlag = m_DataViewCtrlPtr->GetDataViewPeer()->Add(parent,items);
 112  // adjust row heights:
 113   AdjustRowHeights(items);
 114  // done:
 115   return noFailureFlag;
 116 }
 117
 118 bool wxOSXDataViewModelNotifier::ItemChanged(wxDataViewItem const& item)
 119 {
 120   wxCHECK_MSG(item.IsOk(),             false,_("Changed item is invalid."));
 121   wxCHECK_MSG(GetOwner() != NULL,false,_("Owner not initialized."));
 122   if (m_DataViewCtrlPtr->GetDataViewPeer()->Update(GetOwner()->GetParent(item),item))
 123   {
 124    // sent the equivalent wxWidget event:
 125     wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED,m_DataViewCtrlPtr->GetId());
 126
 127     dataViewEvent.SetEventObject(m_DataViewCtrlPtr);
 128     dataViewEvent.SetItem(item);
 129    // sent the equivalent wxWidget event:
 130     m_DataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 131    // row height may have to be adjusted:
 132     AdjustRowHeight(item);
 133    // done
 134     return true;
 135   }
 136   else
 137     return false;
 138 }
 139
 140 bool wxOSXDataViewModelNotifier::ItemsChanged(wxDataViewItemArray const& items)
 141 {
 142   size_t const noOfItems = items.GetCount();
 143
 144   wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED,m_DataViewCtrlPtr->GetId());
 145
 146
 147   dataViewEvent.SetEventObject(m_DataViewCtrlPtr);
 148   for (size_t indexItem=0; indexItem<noOfItems; ++indexItem)
 149     if (m_DataViewCtrlPtr->GetDataViewPeer()->Update(GetOwner()->GetParent(items[indexItem]),items[indexItem]))
 150     {
 151      // send for all changed items a wxWidget event:
 152       dataViewEvent.SetItem(items[indexItem]);
 153       m_DataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 154     }
 155     else
 156       return false;
 157  // if this location is reached all items have been updated:
 158   AdjustRowHeights(items);
 159  // done:
 160   return true;
 161 }
 162
 163 bool wxOSXDataViewModelNotifier::ItemDeleted(wxDataViewItem const& parent, wxDataViewItem const& item)
 164 {
 165   bool noFailureFlag;
 166
 167
 168   wxCHECK_MSG(item.IsOk(),false,_("To be deleted item is invalid."));
 169  // 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
 170  // not to be identical because the being edited item might be below the passed item in the hierarchy);
 171  // to prevent the control trying to ask the model to update an already deleted item the control is informed that currently a deleting process
 172  // has been started and that variables can currently not be updated even when requested by the system:
 173   m_DataViewCtrlPtr->SetDeleting(true);
 174   noFailureFlag = m_DataViewCtrlPtr->GetDataViewPeer()->Remove(parent,item);
 175  // enable automatic updating again:
 176   m_DataViewCtrlPtr->SetDeleting(false);
 177  // done:
 178   return noFailureFlag;
 179 }
 180
 181 bool wxOSXDataViewModelNotifier::ItemsDeleted(wxDataViewItem const& parent, wxDataViewItemArray const& items)
 182 {
 183   bool noFailureFlag;
 184
 185
 186  // 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
 187  // not to be identical because the being edited item might be below the passed item in the hierarchy);
 188  // to prevent the control trying to ask the model to update an already deleted item the control is informed that currently a deleting process
 189  // has been started and that variables can currently not be updated even when requested by the system:
 190   m_DataViewCtrlPtr->SetDeleting(true);
 191  // delete all specified items:
 192   noFailureFlag = m_DataViewCtrlPtr->GetDataViewPeer()->Remove(parent,items);
 193  // enable automatic updating again:
 194   m_DataViewCtrlPtr->SetDeleting(false);
 195  // done:
 196   return noFailureFlag;
 197 }
 198
 199 bool wxOSXDataViewModelNotifier::ValueChanged(wxDataViewItem const& item, unsigned int col)
 200 {
 201   wxCHECK_MSG(item.IsOk(),             false,_("Passed item is invalid."));
 202   wxCHECK_MSG(GetOwner() != NULL,false,_("Owner not initialized."));
 203   if (m_DataViewCtrlPtr->GetDataViewPeer()->Update(GetOwner()->GetParent(item),item))
 204   {
 205     wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED,m_DataViewCtrlPtr->GetId());
 206
 207     dataViewEvent.SetEventObject(m_DataViewCtrlPtr);
 208     dataViewEvent.SetColumn(col);
 209     dataViewEvent.SetItem(item);
 210    // send the equivalent wxWidget event:
 211     m_DataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 212    // done
 213     return true;
 214   }
 215   else
 216     return false;
 217 }
 218
 219 bool wxOSXDataViewModelNotifier::Cleared()
 220 {
 221   return m_DataViewCtrlPtr->GetDataViewPeer()->Reload();
 222 }
 223
 224 void wxOSXDataViewModelNotifier::Resort()
 225 {
 226   m_DataViewCtrlPtr->GetDataViewPeer()->Resort();
 227 }
 228
 229 void wxOSXDataViewModelNotifier::AdjustRowHeight(wxDataViewItem const& item)
 230 {
 231   if ((m_DataViewCtrlPtr->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) != 0)
 232   {
 233       wxDataViewModel *model = GetOwner();
 234
 235       int height = 20; // TODO find out standard height
 236       unsigned int num = m_DataViewCtrlPtr->GetColumnCount();
 237       unsigned int col;
 238       for (col = 0; col < num; col++)
 239       {
 240           wxDataViewColumn* column(m_DataViewCtrlPtr->GetColumnPtr(col));
 241
 242           if (!(column->IsHidden()))
 243           {
 244             wxDataViewCustomRenderer *renderer = dynamic_cast<wxDataViewCustomRenderer*>(column->GetRenderer());
 245             if (renderer)
 246             {
 247                 wxVariant value;
 248                 model->GetValue( value, item, column->GetModelColumn() );
 249                 renderer->SetValue( value );
 250                 height = wxMax( height, renderer->GetSize().y );
 251             }
 252           }
 253       }
 254       if (height > 20)
 255         m_DataViewCtrlPtr->GetDataViewPeer()->SetRowHeight(item,height);
 256   }
 257 }
 258
 259 void wxOSXDataViewModelNotifier::AdjustRowHeights(wxDataViewItemArray const& items)
 260 {
 261   if ((m_DataViewCtrlPtr->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) != 0)
 262   {
 263       size_t const noOfItems = items.GetCount();
 264
 265       wxDataViewModel *model = GetOwner();
 266
 267       for (size_t itemIndex=0; itemIndex<noOfItems; ++itemIndex)
 268       {
 269         int height = 20; // TODO find out standard height
 270         unsigned int num = m_DataViewCtrlPtr->GetColumnCount();
 271         unsigned int col;
 272
 273         for (col = 0; col < num; col++)
 274         {
 275             wxDataViewColumn* column(m_DataViewCtrlPtr->GetColumnPtr(col));
 276
 277             if (!(column->IsHidden()))
 278             {
 279               wxDataViewCustomRenderer *renderer = dynamic_cast<wxDataViewCustomRenderer*>(column->GetRenderer());
 280               if (renderer)
 281               {
 282                   wxVariant value;
 283                   model->GetValue( value, items[itemIndex], column->GetModelColumn() );
 284                   renderer->SetValue( value );
 285                   height = wxMax( height, renderer->GetSize().y );
 286               }
 287             }
 288         }
 289         if (height > 20)
 290           m_DataViewCtrlPtr->GetDataViewPeer()->SetRowHeight(items[itemIndex],height);
 291       }
 292   }
 293 }
 294
 295 // ---------------------------------------------------------
 296 // wxDataViewCustomRenderer
 297 // The constructor, the implementation macro and environment
 298 // dependent methods can be found in the environment's
 299 // source file.
 300 // ---------------------------------------------------------
 301 wxDataViewCustomRenderer::~wxDataViewCustomRenderer()
 302 {
 303   delete m_DCPtr;
 304 }
 305
 306 wxDC* wxDataViewCustomRenderer::GetDC()
 307 {
 308   if ((m_DCPtr == NULL) && (GetOwner() != NULL) && (GetOwner()->GetOwner() != NULL))
 309     m_DCPtr = new wxClientDC(GetOwner()->GetOwner());
 310   return m_DCPtr;
 311 }
 312
 313 void wxDataViewCustomRenderer::SetDC(wxDC* newDCPtr)
 314 {
 315   delete m_DCPtr;
 316   m_DCPtr = newDCPtr;
 317 }
 318
 319 //-----------------------------------------------------------------------------
 320 // wxDataViewCtrl
 321 //-----------------------------------------------------------------------------
 322
 323 wxDataViewCtrl::~wxDataViewCtrl()
 324 {
 325   ClearColumns();
 326 }
 327
 328 void wxDataViewCtrl::Init()
 329 {
 330   m_CustomRendererPtr = NULL;
 331   m_Deleting          = false;
 332   m_macIsUserPane     = false;
 333   m_cgContext         = NULL;
 334 }
 335
 336 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxValidator& validator )
 337 {
 338   if (!(wxControl::Create(parent,id,pos,size,style & ~(wxHSCROLL | wxVSCROLL),validator)))
 339     return false;
 340   m_peer = ::CreateDataView(this,parent,id,pos,size,style,GetExtraStyle());
 341
 342   MacPostControlCreate(pos,size);
 343
 344   return true;
 345 }
 346
 347 bool wxDataViewCtrl::AssociateModel(wxDataViewModel* model)
 348 {
 349   wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer());
 350
 351
 352   wxCHECK_MSG(dataViewWidgetPtr != NULL,false,_("Pointer to native control must not be NULL."));
 353   if (wxDataViewCtrlBase::AssociateModel(model) && dataViewWidgetPtr->AssociateModel(model))
 354   {
 355     if (model != NULL)
 356       model->AddNotifier(new wxOSXDataViewModelNotifier(this));
 357     return true;
 358   }
 359   else
 360     return false;
 361 }
 362
 363 bool wxDataViewCtrl::AppendColumn(wxDataViewColumn* columnPtr)
 364 {
 365    return wxDataViewCtrl::InsertColumn( GetColumnCount(), columnPtr );
 366 }
 367
 368 bool wxDataViewCtrl::PrependColumn(wxDataViewColumn* columnPtr)
 369 {
 370    return wxDataViewCtrl::InsertColumn( 0, columnPtr );
 371 }
 372
 373 bool wxDataViewCtrl::InsertColumn(unsigned int pos, wxDataViewColumn* columnPtr)
 374 {
 375   wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer());
 376
 377  // first, some error checking:
 378   wxCHECK_MSG(dataViewWidgetPtr != NULL,                                         false,_("Pointer to native control must not be NULL."));
 379   wxCHECK_MSG(columnPtr != NULL,                                                 false,_("Column pointer must not be NULL."));
 380   wxCHECK_MSG(columnPtr->GetRenderer() != NULL,                                  false,_("Column does not have a renderer."));
 381   wxCHECK_MSG(GetModel() != NULL,                                          false,_("No model associated with control."));
 382   wxCHECK_MSG((columnPtr->GetModelColumn() >= 0) &&
 383               (columnPtr->GetModelColumn() < GetModel()->GetColumnCount()),false,_("Column's model column has no equivalent in the associated model."));
 384
 385  // add column to wxWidget's internal structure:
 386   if (wxDataViewCtrlBase::InsertColumn(pos,columnPtr))
 387   {
 388     m_ColumnPtrs.Add(columnPtr);
 389    // if the insertion in the native control is successful the rest can also be initialized:
 390     if (dataViewWidgetPtr->InsertColumn(pos,columnPtr))
 391     {
 392      // make sure that the data is up-to-date...
 393      // if the newly appended column is the first column add the initial data to the control and mark the column as an expander column,
 394      // otherwise ask the control to 'update' the data in the newly appended column:
 395       if (GetColumnCount() == 1)
 396         SetExpanderColumn(columnPtr);
 397      // done:
 398       return true;
 399     }
 400     else
 401     {
 402      // clean-up:
 403       m_ColumnPtrs.Remove(columnPtr);
 404       delete columnPtr;
 405      // and send a message in debug mode:
 406       wxFAIL_MSG(_("Column could not be added to native control."));
 407      // failed:
 408       return false;
 409     }
 410   }
 411   else
 412   {
 413    // clean-up:
 414     delete columnPtr;
 415     wxFAIL_MSG(_("Could not add column to internal structures."));
 416    // failed:
 417     return false;
 418   }
 419 }
 420
 421 bool wxDataViewCtrl::ClearColumns()
 422 {
 423   if (GetDataViewPeer()->ClearColumns())
 424   {
 425     WX_CLEAR_ARRAY(m_ColumnPtrs);
 426     return true;
 427   }
 428   else
 429     return false;
 430 }
 431
 432 bool wxDataViewCtrl::DeleteColumn(wxDataViewColumn* columnPtr)
 433 {
 434   if (GetDataViewPeer()->DeleteColumn(columnPtr))
 435   {
 436     m_ColumnPtrs.Remove(columnPtr);
 437     delete columnPtr;
 438     return true;
 439   }
 440   else
 441     return false;
 442 }
 443
 444 wxDataViewColumn* wxDataViewCtrl::GetColumn(unsigned int pos) const
 445 {
 446   return GetDataViewPeer()->GetColumn(pos);
 447 }
 448
 449 unsigned int wxDataViewCtrl::GetColumnCount() const
 450 {
 451   return m_ColumnPtrs.GetCount();
 452 }
 453
 454 int wxDataViewCtrl::GetColumnPosition(wxDataViewColumn const* columnPtr) const
 455 {
 456   return GetDataViewPeer()->GetColumnPosition(columnPtr);
 457 }
 458
 459 void wxDataViewCtrl::Collapse(wxDataViewItem const& item)
 460 {
 461   GetDataViewPeer()->Collapse(item);
 462 }
 463
 464 void wxDataViewCtrl::EnsureVisible(wxDataViewItem const& item, wxDataViewColumn const* columnPtr)
 465 {
 466   if (item.IsOk())
 467   {
 468     ExpandAncestors(item); // make sure that the item exists in the control
 469     GetDataViewPeer()->EnsureVisible(item,columnPtr);
 470   }
 471 }
 472
 473 void wxDataViewCtrl::Expand(wxDataViewItem const& item)
 474 {
 475   return GetDataViewPeer()->Expand(item);
 476 }
 477
 478 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
 479 {
 480   return (item.IsOk() && GetDataViewPeer()->IsExpanded(item));
 481 }
 482
 483 wxDataViewColumn* wxDataViewCtrl::GetSortingColumn() const
 484 {
 485   return GetDataViewPeer()->GetSortingColumn();
 486 }
 487
 488 unsigned int wxDataViewCtrl::GetCount() const
 489 {
 490   return GetDataViewPeer()->GetCount();
 491 }
 492
 493 wxRect wxDataViewCtrl::GetItemRect(wxDataViewItem const& item, wxDataViewColumn const* columnPtr) const
 494 {
 495   if (item.IsOk() && (columnPtr != NULL))
 496     return GetDataViewPeer()->GetRectangle(item,columnPtr);
 497   else
 498     return wxRect();
 499 }
 500
 501 wxDataViewItem wxDataViewCtrl::GetSelection() const
 502 {
 503   wxDataViewItemArray itemIDs;
 504
 505
 506   if (GetDataViewPeer()->GetSelections(itemIDs) > 0)
 507     return itemIDs[0];
 508   else
 509     return wxDataViewItem();
 510 }
 511
 512 int wxDataViewCtrl::GetSelections(wxDataViewItemArray& sel) const
 513 {
 514   return GetDataViewPeer()->GetSelections(sel);
 515 }
 516
 517 void wxDataViewCtrl::HitTest(wxPoint const& point, wxDataViewItem& item, wxDataViewColumn*& columnPtr) const
 518 {
 519   return GetDataViewPeer()->HitTest(point,item,columnPtr);
 520 }
 521
 522 bool wxDataViewCtrl::IsSelected(wxDataViewItem const& item) const
 523 {
 524   return GetDataViewPeer()->IsSelected(item);
 525 }
 526
 527 void wxDataViewCtrl::Select(wxDataViewItem const& item)
 528 {
 529   if (item.IsOk())
 530   {
 531     ExpandAncestors(item); // make sure that the item exists in the control
 532     GetDataViewPeer()->Select(item);
 533   }
 534 }
 535
 536 void wxDataViewCtrl::SelectAll()
 537 {
 538   GetDataViewPeer()->SelectAll();
 539 }
 540
 541 void wxDataViewCtrl::SetSelections(wxDataViewItemArray const& sel)
 542 {
 543     size_t const noOfSelections = sel.GetCount();
 544
 545     size_t i;
 546
 547     wxDataViewItem last_parent;
 548
 549
 550    // make sure that all to be selected items are visible in the control:
 551     for (i = 0; i < noOfSelections; i++)
 552     {
 553         wxDataViewItem item   = sel[i];
 554         wxDataViewItem parent = GetModel()->GetParent( item );
 555
 556         if (parent.IsOk() && (parent != last_parent))
 557           ExpandAncestors(item);
 558         last_parent = parent;
 559     }
 560
 561    // finally select the items:
 562     wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer()); // variable definition for abbreviational purposes
 563
 564     for (i=0; i<noOfSelections; ++i)
 565       dataViewWidgetPtr->Select(sel[i]);
 566 }
 567
 568 void wxDataViewCtrl::Unselect(wxDataViewItem const& item)
 569 {
 570   if (item.IsOk())
 571     GetDataViewPeer()->Unselect(item);
 572 }
 573
 574 void wxDataViewCtrl::UnselectAll()
 575 {
 576   GetDataViewPeer()->UnselectAll();
 577 }
 578
 579 //
 580 // implementation
 581 //
 582 wxDataViewWidgetImpl* wxDataViewCtrl::GetDataViewPeer() const
 583 {
 584   return dynamic_cast<wxDataViewWidgetImpl*>(GetPeer());
 585 }
 586
 587 void wxDataViewCtrl::AddChildren(wxDataViewItem const& parentItem)
 588 {
 589   int noOfChildren;
 590
 591   wxDataViewItemArray items;
 592
 593
 594   wxCHECK_RET(GetModel() != NULL,_("Model pointer not initialized."));
 595   noOfChildren = GetModel()->GetChildren(parentItem,items);
 596   (void) GetModel()->ItemsAdded(parentItem,items);
 597 }
 598
 599 void wxDataViewCtrl::FinishCustomItemEditing()
 600 {
 601   if (GetCustomRendererItem().IsOk())
 602   {
 603     GetCustomRendererPtr()->FinishEditing();
 604     SetCustomRendererItem(wxDataViewItem());
 605     SetCustomRendererPtr (NULL);
 606   }
 607 }
 608
 609 /*static*/
 610 wxVisualAttributes
 611 wxDataViewCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 612 {
 613     wxVisualAttributes attr;
 614
 615     attr.colFg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
 616     attr.colBg = wxSystemSettings::GetColour( wxSYS_COLOUR_LISTBOX );
 617     static wxFont font = wxFont(wxOSX_SYSTEM_FONT_VIEWS);
 618     attr.font = font;
 619
 620     return attr;
 621 }
 622
 623 // inherited methods from wxDataViewCtrlBase
 624 void wxDataViewCtrl::DoSetExpanderColumn()
 625 {
 626   if (GetExpanderColumn() != NULL)
 627     GetDataViewPeer()->DoSetExpanderColumn(GetExpanderColumn());
 628 }
 629
 630 void wxDataViewCtrl::DoSetIndent()
 631 {
 632   GetDataViewPeer()->DoSetIndent(GetIndent());
 633 }
 634
 635 // event handling:
 636 void wxDataViewCtrl::OnSize(wxSizeEvent& event)
 637 {
 638   unsigned int const noOfColumns = GetColumnCount();
 639
 640
 641  // reset DC of all custom renderers because DC has changed:
 642   for (unsigned int i=0; i<noOfColumns; ++i)
 643   {
 644     wxDataViewColumn* dataViewColumnPtr(GetColumn(i));
 645
 646     if (dataViewColumnPtr != NULL)
 647     {
 648       wxDataViewCustomRenderer* dataViewCustomRendererPtr(dynamic_cast<wxDataViewCustomRenderer*>(dataViewColumnPtr->GetRenderer()));
 649
 650       if (dataViewCustomRendererPtr != NULL)
 651         dataViewCustomRendererPtr->SetDC(NULL);
 652     }
 653   }
 654
 655  // update the layout of the native control after a size event:
 656   GetDataViewPeer()->OnSize();
 657
 658   event.Skip();
 659 }
 660
 661 wxSize wxDataViewCtrl::DoGetBestSize() const
 662 {
 663     wxSize best = wxControl::DoGetBestSize();
 664     best.y = 80;
 665
 666     return best;
 667 }
 668
 669 void wxDataViewCtrl::OnMouse(wxMouseEvent& event)
 670 {
 671     event.Skip();
 672
 673     if (GetModel() == NULL)
 674         return;
 675
 676 #if 0
 677     // Doesn't compile anymore
 678     wxMacDataViewDataBrowserListViewControlPointer MacDataViewListCtrlPtr(dynamic_cast<wxMacDataViewDataBrowserListViewControlPointer>(m_peer));
 679
 680     int NoOfChildren;
 681     wxDataViewItemArray items;
 682     NoOfChildren = GetModel()->GetChildren( wxDataViewItem(), items);
 683     if (NoOfChildren == 0)
 684        return;
 685     wxDataViewItem firstChild = items[0];
 686
 687     UInt16 headerHeight = 0;
 688     MacDataViewListCtrlPtr->GetHeaderButtonHeight(&headerHeight);
 689
 690
 691     if (event.GetY() < headerHeight)
 692     {
 693        unsigned int col_count = GetColumnCount();
 694        unsigned int col;
 695        for (col = 0; col < col_count; col++)
 696        {
 697            wxDataViewColumn *column = GetColumn( col );
 698            if (column->IsHidden())
 699               continue;
 700
 701            Rect itemrect;
 702            ::GetDataBrowserItemPartBounds( MacDataViewListCtrlPtr->GetControlRef(),
 703               reinterpret_cast<DataBrowserItemID>(firstChild.GetID()), column->GetPropertyID(),
 704               kDataBrowserPropertyEnclosingPart, &itemrect );
 705
 706            if (abs( event.GetX() - itemrect.right) < 3)
 707            {
 708                if (column->GetFlags() & wxDATAVIEW_COL_RESIZABLE)
 709                   SetCursor( wxCursor( wxCURSOR_SIZEWE ) );
 710                else
 711                   SetCursor( *wxSTANDARD_CURSOR );
 712                return;
 713            }
 714        }
 715
 716     }
 717
 718     SetCursor( *wxSTANDARD_CURSOR );
 719 #endif
 720 }
 721
 722 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl,wxDataViewCtrlBase)
 723
 724 BEGIN_EVENT_TABLE(wxDataViewCtrl,wxDataViewCtrlBase)
 725   EVT_SIZE(wxDataViewCtrl::OnSize)
 726   EVT_MOTION(wxDataViewCtrl::OnMouse)
 727 END_EVENT_TABLE()
 728
 729 #endif // (wxUSE_DATAVIEWCTRL != 0) && (!defined(wxUSE_GENERICDATAVIEWCTRL) || (wxUSE_GENERICDATAVIEWCTRL == 0))
 730