src/generic/odcombo.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/odcombo.cpp
   3 // Purpose:     wxOwnerDrawnComboBox, wxVListBoxComboPopup
   4 // Author:      Jaakko Salli
   5 // Modified by:
   6 // Created:     Apr-30-2006
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2005 Jaakko Salli
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_ODCOMBOBOX
  27
  28 #include "wx/odcombo.h"
  29
  30 #ifndef WX_PRECOMP
  31     #include "wx/log.h"
  32     #include "wx/combobox.h"
  33     #include "wx/dcclient.h"
  34     #include "wx/settings.h"
  35     #include "wx/dialog.h"
  36 #endif
  37
  38 #include "wx/combo.h"
  39
  40 // ============================================================================
  41 // implementation
  42 // ============================================================================
  43
  44
  45 // ----------------------------------------------------------------------------
  46 // wxVListBoxComboPopup is a wxVListBox customized to act as a popup control
  47 //
  48 // ----------------------------------------------------------------------------
  49
  50
  51 BEGIN_EVENT_TABLE(wxVListBoxComboPopup, wxVListBox)
  52     EVT_MOTION(wxVListBoxComboPopup::OnMouseMove)
  53     EVT_KEY_DOWN(wxVListBoxComboPopup::OnKey)
  54     EVT_LEFT_UP(wxVListBoxComboPopup::OnLeftClick)
  55 END_EVENT_TABLE()
  56
  57
  58 void wxVListBoxComboPopup::Init()
  59 {
  60     m_widestWidth = 0;
  61     m_avgCharWidth = 0;
  62     m_baseImageWidth = 0;
  63     m_itemHeight = 0;
  64     m_value = -1;
  65     m_itemHover = -1;
  66     m_clientDataItemsType = wxClientData_None;
  67 }
  68
  69 bool wxVListBoxComboPopup::Create(wxWindow* parent)
  70 {
  71     if ( !wxVListBox::Create(parent,
  72                              wxID_ANY,
  73                              wxDefaultPosition,
  74                              wxDefaultSize,
  75                              wxBORDER_SIMPLE | wxLB_INT_HEIGHT | wxWANTS_CHARS) )
  76         return false;
  77
  78     m_useFont = m_combo->GetFont();
  79
  80     wxVListBox::SetItemCount(m_strings.GetCount());
  81
  82     // TODO: Move this to SetFont
  83     m_itemHeight = GetCharHeight() + 0;
  84
  85     return true;
  86 }
  87
  88 wxVListBoxComboPopup::~wxVListBoxComboPopup()
  89 {
  90     Clear();
  91 }
  92
  93 bool wxVListBoxComboPopup::LazyCreate()
  94 {
  95     // NB: There is a bug with wxVListBox that can be avoided by creating
  96     //     it later (bug causes empty space to be shown if initial selection
  97     //     is at the end of a list longer than the control can show at once).
  98     return true;
  99 }
 100
 101 // paint the control itself
 102 void wxVListBoxComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect )
 103 {
 104     if ( !(m_combo->GetWindowStyle() & wxODCB_STD_CONTROL_PAINT) )
 105     {
 106         m_combo->DrawFocusBackground(dc,rect,0);
 107         if ( m_value >= 0 )
 108         {
 109             OnDrawItem(dc,rect,m_value,wxCP_PAINTING_CONTROL);
 110             return;
 111         }
 112     }
 113
 114     wxComboPopup::PaintComboControl(dc,rect);
 115 }
 116
 117 void wxVListBoxComboPopup::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) const
 118 {
 119     // TODO: Maybe this code could be moved to wxVListBox::OnPaint?
 120     dc.SetFont(m_useFont);
 121
 122     // Set correct text colour for selected items
 123     if ( wxVListBox::GetSelection() == (int) n )
 124         dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
 125     else
 126         dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
 127
 128     OnDrawItem(dc,rect,(int)n,0);
 129 }
 130
 131 wxCoord wxVListBoxComboPopup::OnMeasureItem(size_t WXUNUSED(n)) const
 132 {
 133     return m_itemHeight;
 134 }
 135
 136 wxCoord wxVListBoxComboPopup::OnMeasureItemWidth(size_t WXUNUSED(n)) const
 137 {
 138     //return OnMeasureListItemWidth(n);
 139     return -1;
 140 }
 141
 142 void wxVListBoxComboPopup::OnDrawBackground(wxDC& dc, const wxRect& rect, size_t n) const
 143 {
 144     // we need to render selected and current items differently
 145     if ( IsCurrent(n) )
 146     {
 147         m_combo->DrawFocusBackground( dc, rect, wxCONTROL_ISSUBMENU|wxCONTROL_SELECTED );
 148     }
 149     //else: do nothing for the normal items
 150 }
 151
 152 // This is called from wxVListBoxComboPopup::OnDrawItem, with text colour and font prepared
 153 void wxVListBoxComboPopup::OnDrawItem( wxDC& dc, const wxRect& rect, int item, int flags ) const
 154 {
 155     if ( flags & wxCP_PAINTING_CONTROL )
 156     {
 157         dc.DrawText( m_combo->GetValue(),
 158                      rect.x + m_combo->GetTextIndent(),
 159                      (rect.height-dc.GetCharHeight())/2 + rect.y );
 160     }
 161     else
 162     {
 163         dc.DrawText( GetString(item), rect.x + 2, rect.y );
 164     }
 165 }
 166
 167 void wxVListBoxComboPopup::DismissWithEvent()
 168 {
 169     int selection = wxVListBox::GetSelection();
 170
 171     Dismiss();
 172
 173     wxString valStr;
 174     if ( selection != wxNOT_FOUND )
 175         valStr = m_strings[selection];
 176     else
 177         valStr = wxEmptyString;
 178
 179     m_value = selection;
 180
 181     if ( valStr != m_combo->GetValue() )
 182         m_combo->SetValue(valStr);
 183
 184     SendComboBoxEvent(selection);
 185 }
 186
 187 void wxVListBoxComboPopup::SendComboBoxEvent( int selection )
 188 {
 189     wxCommandEvent evt(wxEVT_COMMAND_COMBOBOX_SELECTED,m_combo->GetId());
 190
 191     evt.SetEventObject(m_combo);
 192
 193     evt.SetInt(selection);
 194
 195     // Set client data, if any
 196     if ( selection >= 0 && (int)m_clientDatas.GetCount() > selection )
 197     {
 198         void* clientData = m_clientDatas[selection];
 199         if ( m_clientDataItemsType == wxClientData_Object )
 200             evt.SetClientObject((wxClientData*)clientData);
 201         else
 202             evt.SetClientData(clientData);
 203     }
 204
 205     m_combo->GetEventHandler()->AddPendingEvent(evt);
 206 }
 207
 208 // returns true if key was consumed
 209 bool wxVListBoxComboPopup::HandleKey( int keycode, bool saturate )
 210 {
 211     int value = m_value;
 212     int itemCount = GetCount();
 213
 214     if ( keycode == WXK_DOWN || keycode == WXK_RIGHT )
 215     {
 216         value++;
 217     }
 218     else if ( keycode == WXK_UP || keycode == WXK_LEFT )
 219     {
 220         value--;
 221     }
 222     else if ( keycode == WXK_PAGEDOWN )
 223     {
 224         value+=10;
 225     }
 226     else if ( keycode == WXK_PAGEUP )
 227     {
 228         value-=10;
 229     }
 230     else
 231         return false;
 232
 233     if ( saturate )
 234     {
 235         if ( value >= itemCount )
 236             value = itemCount - 1;
 237         else if ( value < 0 )
 238             value = 0;
 239     }
 240     else
 241     {
 242         if ( value >= itemCount )
 243             value -= itemCount;
 244         else if ( value < 0 )
 245             value += itemCount;
 246     }
 247
 248     if ( value == m_value )
 249         // Even if value was same, don't skip the event
 250         // (good for consistency)
 251         return true;
 252
 253     m_value = value;
 254
 255     if ( value >= 0 )
 256         m_combo->SetValue(m_strings[value]);
 257
 258     SendComboBoxEvent(m_value);
 259
 260     return true;
 261 }
 262
 263 void wxVListBoxComboPopup::OnComboDoubleClick()
 264 {
 265     // Cycle on dclick (disable saturation to allow true cycling).
 266     if ( !::wxGetKeyState(WXK_SHIFT) )
 267         HandleKey(WXK_DOWN,false);
 268     else
 269         HandleKey(WXK_UP,false);
 270 }
 271
 272 void wxVListBoxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
 273 {
 274     // Saturated key movement on
 275     if ( !HandleKey(event.GetKeyCode(),true) )
 276         event.Skip();
 277 }
 278
 279 void wxVListBoxComboPopup::OnPopup()
 280 {
 281     // *must* set value after size is set (this is because of a vlbox bug)
 282     wxVListBox::SetSelection(m_value);
 283 }
 284
 285 void wxVListBoxComboPopup::OnMouseMove(wxMouseEvent& event)
 286 {
 287     // Move selection to cursor if it is inside the popup
 288     int itemHere = GetItemAtPosition(event.GetPosition());
 289     if ( itemHere >= 0 )
 290         wxVListBox::SetSelection(itemHere);
 291
 292     event.Skip();
 293 }
 294
 295 void wxVListBoxComboPopup::OnLeftClick(wxMouseEvent& WXUNUSED(event))
 296 {
 297     DismissWithEvent();
 298 }
 299
 300 void wxVListBoxComboPopup::OnKey(wxKeyEvent& event)
 301 {
 302     // Select item if ENTER is pressed
 303     if ( event.GetKeyCode() == WXK_RETURN || event.GetKeyCode() == WXK_NUMPAD_ENTER )
 304     {
 305         DismissWithEvent();
 306     }
 307     // Hide popup if ESC is pressed
 308     else if ( event.GetKeyCode() == WXK_ESCAPE )
 309         Dismiss();
 310     else
 311         event.Skip();
 312 }
 313
 314 void wxVListBoxComboPopup::CheckWidth( int pos )
 315 {
 316     wxCoord x = OnMeasureItemWidth(pos);
 317
 318     if ( x < 0 )
 319     {
 320         if ( !m_useFont.Ok() )
 321             m_useFont = m_combo->GetFont();
 322
 323         wxCoord y;
 324         m_combo->GetTextExtent(m_strings[pos], &x, &y, 0, 0, &m_useFont);
 325         x += 4;
 326     }
 327
 328     if ( m_widestWidth < x )
 329     {
 330         m_widestWidth = x;
 331     }
 332 }
 333
 334 void wxVListBoxComboPopup::Insert( const wxString& item, int pos )
 335 {
 336     // Need to change selection?
 337     wxString strValue;
 338     if ( !(m_combo->GetWindowStyle() & wxCB_READONLY) &&
 339          m_combo->GetValue() == item )
 340     {
 341         m_value = pos;
 342     }
 343
 344     m_strings.Insert(item,pos);
 345
 346     if ( IsCreated() )
 347         wxVListBox::SetItemCount( wxVListBox::GetItemCount()+1 );
 348
 349     // Calculate width
 350     CheckWidth(pos);
 351 }
 352
 353 int wxVListBoxComboPopup::Append(const wxString& item)
 354 {
 355     int pos = (int)m_strings.GetCount();
 356
 357     if ( m_combo->GetWindowStyle() & wxCB_SORT )
 358     {
 359         // Find position
 360         // TODO: Could be optimized with binary search
 361         wxArrayString strings = m_strings;
 362         unsigned int i;
 363
 364         for ( i=0; i<strings.GetCount(); i++ )
 365         {
 366             if ( item.Cmp(strings.Item(i)) < 0 )
 367             {
 368                 pos = (int)i;
 369                 break;
 370             }
 371         }
 372     }
 373
 374     Insert(item,pos);
 375
 376     return pos;
 377 }
 378
 379 void wxVListBoxComboPopup::Clear()
 380 {
 381     wxASSERT(m_combo);
 382
 383     m_strings.Empty();
 384
 385     ClearClientDatas();
 386
 387     m_value = wxNOT_FOUND;
 388
 389     if ( IsCreated() )
 390         wxVListBox::SetItemCount(0);
 391 }
 392
 393 void wxVListBoxComboPopup::ClearClientDatas()
 394 {
 395     if ( m_clientDataItemsType == wxClientData_Object )
 396     {
 397         size_t i;
 398         for ( i=0; i<m_clientDatas.GetCount(); i++ )
 399             delete (wxClientData*) m_clientDatas[i];
 400     }
 401
 402     m_clientDatas.Empty();
 403 }
 404
 405 void wxVListBoxComboPopup::SetItemClientData( unsigned int n,
 406                                               void* clientData,
 407                                               wxClientDataType clientDataItemsType )
 408 {
 409     // It should be sufficient to update this variable only here
 410     m_clientDataItemsType = clientDataItemsType;
 411
 412     m_clientDatas.SetCount(n+1,NULL);
 413     m_clientDatas[n] = clientData;
 414 }
 415
 416 void* wxVListBoxComboPopup::GetItemClientData(unsigned int n) const
 417 {
 418     if ( m_clientDatas.GetCount() > n )
 419         return m_clientDatas[n];
 420
 421     return NULL;
 422 }
 423
 424 void wxVListBoxComboPopup::Delete( unsigned int item )
 425 {
 426     // Remove client data, if set
 427     if ( m_clientDatas.GetCount() )
 428     {
 429         if ( m_clientDataItemsType == wxClientData_Object )
 430             delete (wxClientData*) m_clientDatas[item];
 431
 432         m_clientDatas.RemoveAt(item);
 433     }
 434
 435     m_strings.RemoveAt(item);
 436
 437     if ( IsCreated() )
 438         wxVListBox::SetItemCount( wxVListBox::GetItemCount()-1 );
 439 }
 440
 441 int wxVListBoxComboPopup::FindString(const wxString& s) const
 442 {
 443     return m_strings.Index(s);
 444 }
 445
 446 unsigned int wxVListBoxComboPopup::GetCount() const
 447 {
 448     return m_strings.GetCount();
 449 }
 450
 451 wxString wxVListBoxComboPopup::GetString( int item ) const
 452 {
 453     return m_strings[item];
 454 }
 455
 456 void wxVListBoxComboPopup::SetString( int item, const wxString& str )
 457 {
 458     m_strings[item] = str;
 459 }
 460
 461 wxString wxVListBoxComboPopup::GetStringValue() const
 462 {
 463     if ( m_value >= 0 )
 464         return m_strings[m_value];
 465     return wxEmptyString;
 466 }
 467
 468 void wxVListBoxComboPopup::SetSelection( int item )
 469 {
 470     wxCHECK_RET( item == wxNOT_FOUND || ((unsigned int)item < GetCount()),
 471                  wxT("invalid index in wxVListBoxComboPopup::SetSelection") );
 472
 473     m_value = item;
 474
 475     if ( IsCreated() )
 476         wxVListBox::SetSelection(item);
 477 }
 478
 479 int wxVListBoxComboPopup::GetSelection() const
 480 {
 481     return m_value;
 482 }
 483
 484 void wxVListBoxComboPopup::SetStringValue( const wxString& value )
 485 {
 486     int index = m_strings.Index(value);
 487
 488     m_value = index;
 489
 490     if ( index >= -1 && index < (int)wxVListBox::GetItemCount() )
 491         wxVListBox::SetSelection(index);
 492 }
 493
 494 wxSize wxVListBoxComboPopup::GetAdjustedSize( int minWidth, int prefHeight, int maxHeight )
 495 {
 496     int height = 250;
 497
 498     if ( m_strings.GetCount() )
 499     {
 500         if ( prefHeight > 0 )
 501             height = prefHeight;
 502
 503         if ( height > maxHeight )
 504             height = maxHeight;
 505
 506         int totalHeight = GetTotalHeight(); // + 3;
 507         if ( height >= totalHeight )
 508         {
 509             height = totalHeight;
 510         }
 511         else
 512         {
 513             // Adjust height to a multiple of the height of the first item
 514             // NB: Calculations that take variable height into account
 515             //     are unnecessary.
 516             int fih = GetLineHeight(0);
 517             int shown = height/fih;
 518             height = shown * fih;
 519         }
 520     }
 521     else
 522         height = 50;
 523
 524     // Take scrollbar into account in width calculations
 525     int widestWidth = m_widestWidth + wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
 526     return wxSize(minWidth > widestWidth ? minWidth : widestWidth,
 527                   height+2);
 528 }
 529
 530 //void wxVListBoxComboPopup::Populate( int n, const wxString choices[] )
 531 void wxVListBoxComboPopup::Populate( const wxArrayString& choices )
 532 {
 533     int i;
 534
 535     int n = choices.GetCount();
 536
 537     for ( i=0; i<n; i++ )
 538     {
 539         const wxString& item = choices.Item(i);
 540         m_strings.Add(item);
 541         CheckWidth(i);
 542     }
 543
 544     if ( IsCreated() )
 545         wxVListBox::SetItemCount(n);
 546
 547     // Sort the initial choices
 548     if ( m_combo->GetWindowStyle() & wxCB_SORT )
 549         m_strings.Sort();
 550
 551     // Find initial selection
 552     wxString strValue = m_combo->GetValue();
 553     if ( strValue.Length() )
 554         m_value = m_strings.Index(strValue);
 555 }
 556
 557 // ----------------------------------------------------------------------------
 558 // wxOwnerDrawnComboBox
 559 // ----------------------------------------------------------------------------
 560
 561
 562 BEGIN_EVENT_TABLE(wxOwnerDrawnComboBox, wxComboCtrl)
 563 END_EVENT_TABLE()
 564
 565
 566 IMPLEMENT_DYNAMIC_CLASS2(wxOwnerDrawnComboBox, wxComboCtrl, wxControlWithItems)
 567
 568 void wxOwnerDrawnComboBox::Init()
 569 {
 570     m_popupInterface = NULL;
 571 }
 572
 573 bool wxOwnerDrawnComboBox::Create(wxWindow *parent,
 574                                   wxWindowID id,
 575                                   const wxString& value,
 576                                   const wxPoint& pos,
 577                                   const wxSize& size,
 578                                   long style,
 579                                   const wxValidator& validator,
 580                                   const wxString& name)
 581 {
 582     return wxComboCtrl::Create(parent,id,value,pos,size,style,validator,name);
 583 }
 584
 585 wxOwnerDrawnComboBox::wxOwnerDrawnComboBox(wxWindow *parent,
 586                                            wxWindowID id,
 587                                            const wxString& value,
 588                                            const wxPoint& pos,
 589                                            const wxSize& size,
 590                                            const wxArrayString& choices,
 591                                            long style,
 592                                            const wxValidator& validator,
 593                                            const wxString& name)
 594     : wxComboCtrl()
 595 {
 596     Init();
 597
 598     Create(parent,id,value,pos,size,choices,style, validator, name);
 599 }
 600
 601 bool wxOwnerDrawnComboBox::Create(wxWindow *parent,
 602                                   wxWindowID id,
 603                                   const wxString& value,
 604                                   const wxPoint& pos,
 605                                   const wxSize& size,
 606                                   const wxArrayString& choices,
 607                                   long style,
 608                                   const wxValidator& validator,
 609                                   const wxString& name)
 610 {
 611     m_initChs = choices;
 612     //wxCArrayString chs(choices);
 613
 614     //return Create(parent, id, value, pos, size, chs.GetCount(),
 615     //              chs.GetStrings(), style, validator, name);
 616     return Create(parent, id, value, pos, size, 0,
 617                   NULL, style, validator, name);
 618 }
 619
 620 bool wxOwnerDrawnComboBox::Create(wxWindow *parent,
 621                                   wxWindowID id,
 622                                   const wxString& value,
 623                                   const wxPoint& pos,
 624                                   const wxSize& size,
 625                                   int n,
 626                                   const wxString choices[],
 627                                   long style,
 628                                   const wxValidator& validator,
 629                                   const wxString& name)
 630 {
 631
 632     if ( !Create(parent, id, value, pos, size, style,
 633                  validator, name) )
 634     {
 635         return false;
 636     }
 637
 638     int i;
 639     for ( i=0; i<n; i++ )
 640         m_initChs.Add(choices[i]);
 641
 642     return true;
 643 }
 644
 645 wxOwnerDrawnComboBox::~wxOwnerDrawnComboBox()
 646 {
 647     if ( m_popupInterface )
 648         m_popupInterface->ClearClientDatas();
 649 }
 650
 651 void wxOwnerDrawnComboBox::SetPopupControl( wxComboPopup* popup )
 652 {
 653     if ( !popup )
 654     {
 655         popup = new wxVListBoxComboPopup();
 656     }
 657
 658     wxComboCtrl::SetPopupControl(popup);
 659
 660     wxASSERT(popup);
 661     m_popupInterface = (wxVListBoxComboPopup*) popup;
 662
 663     // Add initial choices to the wxVListBox
 664     if ( !m_popupInterface->GetCount() )
 665     {
 666         //m_popupInterface->Populate(m_initChs.GetCount(),m_initChs.GetStrings());
 667         m_popupInterface->Populate(m_initChs);
 668         m_initChs.Clear();
 669     }
 670 }
 671
 672 // ----------------------------------------------------------------------------
 673 // wxOwnerDrawnComboBox item manipulation methods
 674 // ----------------------------------------------------------------------------
 675
 676 void wxOwnerDrawnComboBox::Clear()
 677 {
 678     EnsurePopupControl();
 679
 680     m_popupInterface->Clear();
 681
 682     SetValue(wxEmptyString);
 683 }
 684
 685 void wxOwnerDrawnComboBox::Delete(unsigned int n)
 686 {
 687     wxCHECK_RET( IsValid(n), _T("invalid index in wxOwnerDrawnComboBox::Delete") );
 688
 689     if ( GetSelection() == (int) n )
 690         SetValue(wxEmptyString);
 691
 692     m_popupInterface->Delete(n);
 693 }
 694
 695 unsigned int wxOwnerDrawnComboBox::GetCount() const
 696 {
 697     wxASSERT_MSG( m_popupInterface, wxT("no popup interface") );
 698     return m_popupInterface->GetCount();
 699 }
 700
 701 wxString wxOwnerDrawnComboBox::GetString(unsigned int n) const
 702 {
 703     wxCHECK_MSG( IsValid(n), wxEmptyString, _T("invalid index in wxOwnerDrawnComboBox::GetString") );
 704     return m_popupInterface->GetString(n);
 705 }
 706
 707 void wxOwnerDrawnComboBox::SetString(unsigned int n, const wxString& s)
 708 {
 709     wxCHECK_RET( IsValid(n), _T("invalid index in wxOwnerDrawnComboBox::SetString") );
 710     m_popupInterface->SetString(n,s);
 711 }
 712
 713 int wxOwnerDrawnComboBox::FindString(const wxString& s) const
 714 {
 715     wxASSERT_MSG( m_popupInterface, wxT("no popup interface") );
 716     return m_popupInterface->FindString(s);
 717 }
 718
 719 void wxOwnerDrawnComboBox::Select(int n)
 720 {
 721     wxCHECK_RET( (n == wxNOT_FOUND) || IsValid(n), _T("invalid index in wxOwnerDrawnComboBox::Select") );
 722     EnsurePopupControl();
 723
 724     m_popupInterface->SetSelection(n);
 725
 726     wxString str;
 727     if ( n >= 0 )
 728         str = m_popupInterface->GetString(n);
 729
 730     // Refresh text portion in control
 731     if ( m_text )
 732         m_text->SetValue( str );
 733     else
 734         m_valueString = str;
 735
 736     Refresh();
 737 }
 738
 739 int wxOwnerDrawnComboBox::GetSelection() const
 740 {
 741     wxASSERT_MSG( m_popupInterface, wxT("no popup interface") );
 742     return m_popupInterface->GetSelection();
 743 }
 744
 745 int wxOwnerDrawnComboBox::DoAppend(const wxString& item)
 746 {
 747     EnsurePopupControl();
 748     wxASSERT(m_popupInterface);
 749     return m_popupInterface->Append(item);
 750 }
 751
 752 int wxOwnerDrawnComboBox::DoInsert(const wxString& item, unsigned int pos)
 753 {
 754     wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
 755     wxCHECK_MSG(IsValidInsert(pos), -1, wxT("invalid index"));
 756
 757     EnsurePopupControl();
 758     m_popupInterface->Insert(item,pos);
 759
 760     return pos;
 761 }
 762
 763 void wxOwnerDrawnComboBox::DoSetItemClientData(unsigned int n, void* clientData)
 764 {
 765     EnsurePopupControl();
 766     m_popupInterface->SetItemClientData(n,clientData,m_clientDataItemsType);
 767 }
 768
 769 void* wxOwnerDrawnComboBox::DoGetItemClientData(unsigned int n) const
 770 {
 771     wxASSERT_MSG( m_popupInterface, wxT("no popup interface") );
 772     return m_popupInterface->GetItemClientData(n);
 773 }
 774
 775 void wxOwnerDrawnComboBox::DoSetItemClientObject(unsigned int n, wxClientData* clientData)
 776 {
 777     DoSetItemClientData(n, (void*) clientData);
 778 }
 779
 780 wxClientData* wxOwnerDrawnComboBox::DoGetItemClientObject(unsigned int n) const
 781 {
 782     return (wxClientData*) DoGetItemClientData(n);
 783 }
 784
 785 #endif // wxUSE_ODCOMBOBOX