src/propgrid/property.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/propgrid/property.cpp
   3 // Purpose:     wxPGProperty and related support classes
   4 // Author:      Jaakko Salli
   5 // Modified by:
   6 // Created:     2008-08-23
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Jaakko Salli
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_PROPGRID
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/defs.h"
  23     #include "wx/object.h"
  24     #include "wx/hash.h"
  25     #include "wx/string.h"
  26     #include "wx/log.h"
  27     #include "wx/event.h"
  28     #include "wx/window.h"
  29     #include "wx/panel.h"
  30     #include "wx/dc.h"
  31     #include "wx/dcmemory.h"
  32     #include "wx/pen.h"
  33     #include "wx/brush.h"
  34     #include "wx/settings.h"
  35     #include "wx/intl.h"
  36 #endif
  37
  38 #include "wx/propgrid/propgrid.h"
  39
  40
  41 #define PWC_CHILD_SUMMARY_LIMIT         16 // Maximum number of children summarized in a parent property's
  42                                            // value field.
  43
  44 #define PWC_CHILD_SUMMARY_CHAR_LIMIT    64 // Character limit of summary field when not editing
  45
  46 #if wxPG_COMPATIBILITY_1_4
  47
  48 // Used to establish backwards compatiblity
  49 const char* g_invalidStringContent = "@__TOTALLY_INVALID_STRING__@";
  50
  51 #endif
  52
  53 // -----------------------------------------------------------------------
  54
  55 static void wxPGDrawFocusRect( wxDC& dc, const wxRect& rect )
  56 {
  57 #if defined(__WXMSW__) && !defined(__WXWINCE__)
  58     // FIXME: Use DrawFocusRect code above (currently it draws solid line
  59     //   for caption focus but works ok for other stuff).
  60     //   Also, it seems that this code may not work in future wx versions.
  61     dc.SetLogicalFunction(wxINVERT);
  62
  63     wxPen pen(*wxBLACK,1,wxDOT);
  64     pen.SetCap(wxCAP_BUTT);
  65     dc.SetPen(pen);
  66     dc.SetBrush(*wxTRANSPARENT_BRUSH);
  67
  68     dc.DrawRectangle(rect);
  69
  70     dc.SetLogicalFunction(wxCOPY);
  71 #else
  72     dc.SetLogicalFunction(wxINVERT);
  73
  74     dc.SetPen(wxPen(*wxBLACK,1,wxDOT));
  75     dc.SetBrush(*wxTRANSPARENT_BRUSH);
  76
  77     dc.DrawRectangle(rect);
  78
  79     dc.SetLogicalFunction(wxCOPY);
  80 #endif
  81 }
  82
  83 // -----------------------------------------------------------------------
  84 // wxPGCellRenderer
  85 // -----------------------------------------------------------------------
  86
  87 wxSize wxPGCellRenderer::GetImageSize( const wxPGProperty* WXUNUSED(property),
  88                                        int WXUNUSED(column),
  89                                        int WXUNUSED(item) ) const
  90 {
  91      return wxSize(0, 0);
  92 }
  93
  94 void wxPGCellRenderer::DrawText( wxDC& dc, const wxRect& rect,
  95                                  int xOffset, const wxString& text ) const
  96 {
  97     dc.DrawText( text,
  98                  rect.x+xOffset+wxPG_XBEFORETEXT,
  99                  rect.y+((rect.height-dc.GetCharHeight())/2) );
 100 }
 101
 102 void wxPGCellRenderer::DrawEditorValue( wxDC& dc, const wxRect& rect,
 103                                         int xOffset, const wxString& text,
 104                                         wxPGProperty* property,
 105                                         const wxPGEditor* editor ) const
 106 {
 107     int yOffset = ((rect.height-dc.GetCharHeight())/2);
 108
 109     if ( editor )
 110     {
 111         wxRect rect2(rect);
 112         rect2.x += xOffset;
 113         rect2.y += yOffset;
 114         rect2.height -= yOffset;
 115         editor->DrawValue( dc, rect2, property, text );
 116     }
 117     else
 118     {
 119         dc.DrawText( text,
 120                      rect.x+xOffset+wxPG_XBEFORETEXT,
 121                      rect.y+yOffset );
 122     }
 123 }
 124
 125 void wxPGCellRenderer::DrawCaptionSelectionRect( wxDC& dc, int x, int y, int w, int h ) const
 126 {
 127     wxRect focusRect(x,y+((h-dc.GetCharHeight())/2),w,h);
 128     wxPGDrawFocusRect(dc,focusRect);
 129 }
 130
 131 int wxPGCellRenderer::PreDrawCell( wxDC& dc, const wxRect& rect, const wxPGCell& cell, int flags ) const
 132 {
 133     int imageWidth = 0;
 134
 135     // If possible, use cell colours
 136     if ( !(flags & DontUseCellBgCol) )
 137     {
 138         const wxColour& bgCol = cell.GetBgCol();
 139         dc.SetPen(bgCol);
 140         dc.SetBrush(bgCol);
 141     }
 142
 143     if ( !(flags & DontUseCellFgCol) )
 144     {
 145         dc.SetTextForeground(cell.GetFgCol());
 146     }
 147
 148     // Draw Background, but only if not rendering in control
 149     // (as control already has rendered correct background).
 150     if ( !(flags & (Control|ChoicePopup)) )
 151         dc.DrawRectangle(rect);
 152
 153     // Use cell font, if provided
 154     const wxFont& font = cell.GetFont();
 155     if ( font.IsOk() )
 156         dc.SetFont(font);
 157
 158     const wxBitmap& bmp = cell.GetBitmap();
 159     if ( bmp.Ok() &&
 160         // Do not draw oversized bitmap outside choice popup
 161          ((flags & ChoicePopup) || bmp.GetHeight() < rect.height )
 162         )
 163     {
 164         dc.DrawBitmap( bmp,
 165                        rect.x + wxPG_CONTROL_MARGIN + wxCC_CUSTOM_IMAGE_MARGIN1,
 166                        rect.y + wxPG_CUSTOM_IMAGE_SPACINGY,
 167                        true );
 168         imageWidth = bmp.GetWidth();
 169     }
 170
 171     return imageWidth;
 172 }
 173
 174 void wxPGCellRenderer::PostDrawCell( wxDC& dc,
 175                                      const wxPropertyGrid* propGrid,
 176                                      const wxPGCell& cell,
 177                                      int WXUNUSED(flags) ) const
 178 {
 179     // Revert font
 180     const wxFont& font = cell.GetFont();
 181     if ( font.IsOk() )
 182         dc.SetFont(propGrid->GetFont());
 183 }
 184
 185 // -----------------------------------------------------------------------
 186 // wxPGDefaultRenderer
 187 // -----------------------------------------------------------------------
 188
 189 bool wxPGDefaultRenderer::Render( wxDC& dc, const wxRect& rect,
 190                                   const wxPropertyGrid* propertyGrid, wxPGProperty* property,
 191                                   int column, int item, int flags ) const
 192 {
 193     const wxPGEditor* editor = NULL;
 194     const wxPGCell* cell = NULL;
 195
 196     wxString text;
 197     bool isUnspecified = property->IsValueUnspecified();
 198
 199     if ( column == 1 && item == -1 )
 200     {
 201         int cmnVal = property->GetCommonValue();
 202         if ( cmnVal >= 0 )
 203         {
 204             // Common Value
 205             if ( !isUnspecified )
 206             {
 207                 text = propertyGrid->GetCommonValueLabel(cmnVal);
 208                 DrawText( dc, rect, 0, text );
 209                 if ( text.length() )
 210                     return true;
 211             }
 212             return false;
 213         }
 214     }
 215
 216     int imageWidth = 0;
 217     int preDrawFlags = flags;
 218     bool res = false;
 219
 220     property->GetDisplayInfo(column, item, flags, &text, &cell);
 221
 222     imageWidth = PreDrawCell( dc, rect, *cell, preDrawFlags );
 223
 224     if ( column == 1 )
 225     {
 226         editor = property->GetColumnEditor(column);
 227
 228         if ( !isUnspecified )
 229         {
 230             // Regular property value
 231
 232             wxSize imageSize = propertyGrid->GetImageSize(property, item);
 233
 234             wxPGPaintData paintdata;
 235             paintdata.m_parent = propertyGrid;
 236             paintdata.m_choiceItem = item;
 237
 238             if ( imageSize.x > 0 )
 239             {
 240                 wxRect imageRect(rect.x + wxPG_CONTROL_MARGIN + wxCC_CUSTOM_IMAGE_MARGIN1,
 241                                  rect.y+wxPG_CUSTOM_IMAGE_SPACINGY,
 242                                  wxPG_CUSTOM_IMAGE_WIDTH,
 243                                  rect.height-(wxPG_CUSTOM_IMAGE_SPACINGY*2));
 244
 245                 dc.SetPen( wxPen(propertyGrid->GetCellTextColour(), 1, wxSOLID) );
 246
 247                 paintdata.m_drawnWidth = imageSize.x;
 248                 paintdata.m_drawnHeight = imageSize.y;
 249
 250                 property->OnCustomPaint( dc, imageRect, paintdata );
 251
 252                 imageWidth = paintdata.m_drawnWidth;
 253             }
 254
 255             text = property->GetValueAsString();
 256
 257             // Add units string?
 258             if ( propertyGrid->GetColumnCount() <= 2 )
 259             {
 260                 wxString unitsString = property->GetAttribute(wxPGGlobalVars->m_strUnits, wxEmptyString);
 261                 if ( unitsString.length() )
 262                     text = wxString::Format(wxS("%s %s"), text.c_str(), unitsString.c_str() );
 263             }
 264         }
 265
 266         if ( text.length() == 0 )
 267         {
 268             text = property->GetHintText();
 269             if ( text.length() > 0 )
 270             {
 271                 res = true;
 272
 273                 const wxColour& hCol =
 274                     propertyGrid->GetCellDisabledTextColour();
 275                 dc.SetTextForeground(hCol);
 276
 277                 // Must make the editor NULL to override it's own rendering
 278                 // code.
 279                 editor = NULL;
 280             }
 281         }
 282         else
 283         {
 284             res = true;
 285         }
 286     }
 287
 288     int imageOffset = property->GetImageOffset(imageWidth);
 289
 290     DrawEditorValue( dc, rect, imageOffset, text, property, editor );
 291
 292     // active caption gets nice dotted rectangle
 293     if ( property->IsCategory() && column == 0 )
 294     {
 295         if ( flags & Selected )
 296         {
 297             if ( imageOffset > 0 )
 298             {
 299                 imageOffset -= DEFAULT_IMAGE_OFFSET_INCREMENT;
 300                 imageOffset += wxCC_CUSTOM_IMAGE_MARGIN2 + 4;
 301             }
 302
 303             DrawCaptionSelectionRect( dc,
 304                                       rect.x+wxPG_XBEFORETEXT-wxPG_CAPRECTXMARGIN+imageOffset,
 305                                       rect.y-wxPG_CAPRECTYMARGIN+1,
 306                                       ((wxPropertyCategory*)property)->GetTextExtent(propertyGrid,
 307                                                                                      propertyGrid->GetCaptionFont())
 308                                       +(wxPG_CAPRECTXMARGIN*2),
 309                                       propertyGrid->GetFontHeight()+(wxPG_CAPRECTYMARGIN*2) );
 310         }
 311     }
 312
 313     PostDrawCell(dc, propertyGrid, *cell, preDrawFlags);
 314
 315     return res;
 316 }
 317
 318 wxSize wxPGDefaultRenderer::GetImageSize( const wxPGProperty* property,
 319                                           int column,
 320                                           int item ) const
 321 {
 322     if ( property && column == 1 )
 323     {
 324         if ( item == -1 )
 325         {
 326             wxBitmap* bmp = property->GetValueImage();
 327
 328             if ( bmp && bmp->Ok() )
 329                 return wxSize(bmp->GetWidth(),bmp->GetHeight());
 330         }
 331     }
 332     return wxSize(0,0);
 333 }
 334
 335 // -----------------------------------------------------------------------
 336 // wxPGCellData
 337 // -----------------------------------------------------------------------
 338
 339 wxPGCellData::wxPGCellData()
 340     : wxObjectRefData()
 341 {
 342     m_hasValidText = false;
 343 }
 344
 345 // -----------------------------------------------------------------------
 346 // wxPGCell
 347 // -----------------------------------------------------------------------
 348
 349 wxPGCell::wxPGCell()
 350     : wxObject()
 351 {
 352 }
 353
 354 wxPGCell::wxPGCell( const wxString& text,
 355                     const wxBitmap& bitmap,
 356                     const wxColour& fgCol,
 357                     const wxColour& bgCol )
 358     : wxObject()
 359 {
 360     wxPGCellData* data = new wxPGCellData();
 361     m_refData = data;
 362     data->m_text = text;
 363     data->m_bitmap = bitmap;
 364     data->m_fgCol = fgCol;
 365     data->m_bgCol = bgCol;
 366     data->m_hasValidText = true;
 367 }
 368
 369 wxObjectRefData *wxPGCell::CloneRefData( const wxObjectRefData *data ) const
 370 {
 371     wxPGCellData* c = new wxPGCellData();
 372     const wxPGCellData* o = (const wxPGCellData*) data;
 373     c->m_text = o->m_text;
 374     c->m_bitmap = o->m_bitmap;
 375     c->m_fgCol = o->m_fgCol;
 376     c->m_bgCol = o->m_bgCol;
 377     c->m_hasValidText = o->m_hasValidText;
 378     return c;
 379 }
 380
 381 void wxPGCell::SetText( const wxString& text )
 382 {
 383     AllocExclusive();
 384
 385     GetData()->SetText(text);
 386 }
 387
 388 void wxPGCell::SetBitmap( const wxBitmap& bitmap )
 389 {
 390     AllocExclusive();
 391
 392     GetData()->SetBitmap(bitmap);
 393 }
 394
 395 void wxPGCell::SetFgCol( const wxColour& col )
 396 {
 397     AllocExclusive();
 398
 399     GetData()->SetFgCol(col);
 400 }
 401
 402 void wxPGCell::SetFont( const wxFont& font )
 403 {
 404     AllocExclusive();
 405
 406     GetData()->SetFont(font);
 407 }
 408
 409 void wxPGCell::SetBgCol( const wxColour& col )
 410 {
 411     AllocExclusive();
 412
 413     GetData()->SetBgCol(col);
 414 }
 415
 416 void wxPGCell::MergeFrom( const wxPGCell& srcCell )
 417 {
 418     AllocExclusive();
 419
 420     wxPGCellData* data = GetData();
 421
 422     if ( srcCell.HasText() )
 423         data->SetText(srcCell.GetText());
 424
 425     if ( srcCell.GetFgCol().IsOk() )
 426         data->SetFgCol(srcCell.GetFgCol());
 427
 428     if ( srcCell.GetBgCol().IsOk() )
 429         data->SetBgCol(srcCell.GetBgCol());
 430
 431     if ( srcCell.GetBitmap().IsOk() )
 432         data->SetBitmap(srcCell.GetBitmap());
 433 }
 434
 435 void wxPGCell::SetEmptyData()
 436 {
 437     AllocExclusive();
 438 }
 439
 440
 441 // -----------------------------------------------------------------------
 442 // wxPGProperty
 443 // -----------------------------------------------------------------------
 444
 445 IMPLEMENT_ABSTRACT_CLASS(wxPGProperty, wxObject)
 446
 447 wxString* wxPGProperty::sm_wxPG_LABEL = NULL;
 448
 449 void wxPGProperty::Init()
 450 {
 451     m_commonValue = -1;
 452     m_arrIndex = 0xFFFF;
 453     m_parent = NULL;
 454
 455     m_parentState = NULL;
 456
 457     m_clientData = NULL;
 458     m_clientObject = NULL;
 459
 460     m_customEditor = NULL;
 461 #if wxUSE_VALIDATORS
 462     m_validator = NULL;
 463 #endif
 464     m_valueBitmap = NULL;
 465
 466     m_maxLen = 0; // infinite maximum length
 467
 468     m_flags = wxPG_PROP_PROPERTY;
 469
 470     m_depth = 1;
 471
 472     SetExpanded(true);
 473 }
 474
 475
 476 void wxPGProperty::Init( const wxString& label, const wxString& name )
 477 {
 478     // We really need to check if &label and &name are NULL pointers
 479     // (this can if we are called before property grid has been initalized)
 480
 481     if ( (&label) != NULL && label != wxPG_LABEL )
 482         m_label = label;
 483
 484     if ( (&name) != NULL && name != wxPG_LABEL )
 485         DoSetName( name );
 486     else
 487         DoSetName( m_label );
 488
 489     Init();
 490 }
 491
 492 void wxPGProperty::InitAfterAdded( wxPropertyGridPageState* pageState,
 493                                    wxPropertyGrid* propgrid )
 494 {
 495     //
 496     // Called after property has been added to grid or page
 497     // (so propgrid can be NULL, too).
 498
 499     wxPGProperty* parent = m_parent;
 500     bool parentIsRoot = parent->IsKindOf(CLASSINFO(wxPGRootProperty));
 501
 502     m_parentState = pageState;
 503
 504 #if wxPG_COMPATIBILITY_1_4
 505     // Make sure deprecated virtual functions are not implemented
 506     wxString s = GetValueAsString( 0xFFFF );
 507     wxASSERT_MSG( s == g_invalidStringContent,
 508                   "Implement ValueToString() instead of GetValueAsString()" );
 509 #endif
 510
 511     if ( !parentIsRoot && !parent->IsCategory() )
 512     {
 513         m_cells = parent->m_cells;
 514     }
 515
 516     // If in hideable adding mode, or if assigned parent is hideable, then
 517     // make this one hideable.
 518     if (
 519          ( !parentIsRoot && parent->HasFlag(wxPG_PROP_HIDDEN) ) ||
 520          ( propgrid && (propgrid->HasInternalFlag(wxPG_FL_ADDING_HIDEABLES)) )
 521        )
 522         SetFlag( wxPG_PROP_HIDDEN );
 523
 524     // Set custom image flag.
 525     int custImgHeight = OnMeasureImage().y;
 526     if ( custImgHeight < 0 )
 527     {
 528         SetFlag(wxPG_PROP_CUSTOMIMAGE);
 529     }
 530
 531     if ( propgrid && (propgrid->HasFlag(wxPG_LIMITED_EDITING)) )
 532         SetFlag(wxPG_PROP_NOEDITOR);
 533
 534     // Make sure parent has some parental flags
 535     if ( !parent->HasFlag(wxPG_PROP_PARENTAL_FLAGS) )
 536         parent->SetParentalType(wxPG_PROP_MISC_PARENT);
 537
 538     if ( !IsCategory() )
 539     {
 540         // This is not a category.
 541
 542         // Depth.
 543         //
 544         unsigned char depth = 1;
 545         if ( !parentIsRoot )
 546         {
 547             depth = parent->m_depth;
 548             if ( !parent->IsCategory() )
 549                 depth++;
 550         }
 551         m_depth = depth;
 552         unsigned char greyDepth = depth;
 553
 554         if ( !parentIsRoot )
 555         {
 556             wxPropertyCategory* pc;
 557
 558             if ( parent->IsCategory() )
 559                 pc = (wxPropertyCategory* ) parent;
 560             else
 561                 // This conditional compile is necessary to
 562                 // bypass some compiler bug.
 563                 pc = pageState->GetPropertyCategory(parent);
 564
 565             if ( pc )
 566                 greyDepth = pc->GetDepth();
 567             else
 568                 greyDepth = parent->m_depthBgCol;
 569         }
 570
 571         m_depthBgCol = greyDepth;
 572     }
 573     else
 574     {
 575         // This is a category.
 576
 577         // depth
 578         unsigned char depth = 1;
 579         if ( !parentIsRoot )
 580         {
 581             depth = parent->m_depth + 1;
 582         }
 583         m_depth = depth;
 584         m_depthBgCol = depth;
 585     }
 586
 587     //
 588     // Has initial children
 589     if ( GetChildCount() )
 590     {
 591         // Check parental flags
 592         wxASSERT_MSG( ((m_flags & wxPG_PROP_PARENTAL_FLAGS) ==
 593                             wxPG_PROP_AGGREGATE) ||
 594                       ((m_flags & wxPG_PROP_PARENTAL_FLAGS) ==
 595                             wxPG_PROP_MISC_PARENT),
 596                       "wxPGProperty parental flags set incorrectly at "
 597                       "this time" );
 598
 599         if ( HasFlag(wxPG_PROP_AGGREGATE) )
 600         {
 601             // Properties with private children are not expanded by default.
 602             SetExpanded(false);
 603         }
 604         else if ( propgrid && propgrid->HasFlag(wxPG_HIDE_MARGIN) )
 605         {
 606             // ...unless it cannot be expanded by user and therefore must
 607             // remain visible at all times
 608             SetExpanded(true);
 609         }
 610
 611         //
 612         // Prepare children recursively
 613         for ( unsigned int i=0; i<GetChildCount(); i++ )
 614         {
 615             wxPGProperty* child = Item(i);
 616             child->InitAfterAdded(pageState, pageState->GetGrid());
 617         }
 618
 619         if ( propgrid && (propgrid->GetExtraStyle() & wxPG_EX_AUTO_UNSPECIFIED_VALUES) )
 620             SetFlagRecursively(wxPG_PROP_AUTO_UNSPECIFIED, true);
 621     }
 622 }
 623
 624 wxPGProperty::wxPGProperty()
 625     : wxObject()
 626 {
 627     Init();
 628 }
 629
 630
 631 wxPGProperty::wxPGProperty( const wxString& label, const wxString& name )
 632     : wxObject()
 633 {
 634     Init( label, name );
 635 }
 636
 637
 638 wxPGProperty::~wxPGProperty()
 639 {
 640     delete m_clientObject;
 641
 642     Empty();  // this deletes items
 643
 644     delete m_valueBitmap;
 645 #if wxUSE_VALIDATORS
 646     delete m_validator;
 647 #endif
 648
 649     // This makes it easier for us to detect dangling pointers
 650     m_parent = NULL;
 651 }
 652
 653
 654 bool wxPGProperty::IsSomeParent( wxPGProperty* candidate ) const
 655 {
 656     wxPGProperty* parent = m_parent;
 657     do
 658     {
 659         if ( parent == candidate )
 660             return true;
 661         parent = parent->m_parent;
 662     } while ( parent );
 663     return false;
 664 }
 665
 666 void wxPGProperty::SetName( const wxString& newName )
 667 {
 668     wxPropertyGrid* pg = GetGrid();
 669
 670     if ( pg )
 671         pg->SetPropertyName(this, newName);
 672     else
 673         DoSetName(newName);
 674 }
 675
 676 wxString wxPGProperty::GetName() const
 677 {
 678     wxPGProperty* parent = GetParent();
 679
 680     if ( !m_name.length() || !parent || parent->IsCategory() || parent->IsRoot() )
 681         return m_name;
 682
 683     return m_parent->GetName() + wxS(".") + m_name;
 684 }
 685
 686 wxPropertyGrid* wxPGProperty::GetGrid() const
 687 {
 688     if ( !m_parentState )
 689         return NULL;
 690     return m_parentState->GetGrid();
 691 }
 692
 693 int wxPGProperty::Index( const wxPGProperty* p ) const
 694 {
 695     for ( unsigned int i = 0; i<m_children.size(); i++ )
 696     {
 697         if ( p == m_children[i] )
 698             return i;
 699     }
 700     return wxNOT_FOUND;
 701 }
 702
 703 bool wxPGProperty::ValidateValue( wxVariant& WXUNUSED(value), wxPGValidationInfo& WXUNUSED(validationInfo) ) const
 704 {
 705     return true;
 706 }
 707
 708 void wxPGProperty::OnSetValue()
 709 {
 710 }
 711
 712 void wxPGProperty::RefreshChildren ()
 713 {
 714 }
 715
 716 void wxPGProperty::OnValidationFailure( wxVariant& WXUNUSED(pendingValue) )
 717 {
 718 }
 719
 720 void wxPGProperty::GetDisplayInfo( unsigned int column,
 721                                    int choiceIndex,
 722                                    int flags,
 723                                    wxString* pString,
 724                                    const wxPGCell** pCell )
 725 {
 726     const wxPGCell* cell = NULL;
 727
 728     if ( !(flags & wxPGCellRenderer::ChoicePopup) )
 729     {
 730         // Not painting list of choice popups, so get text from property
 731         if ( column != 1 || !IsValueUnspecified() || IsCategory() )
 732         {
 733             cell = &GetCell(column);
 734         }
 735         else
 736         {
 737             // Use special unspecified value cell
 738             cell = &GetGrid()->GetUnspecifiedValueAppearance();
 739         }
 740
 741         if ( cell->HasText() )
 742         {
 743             *pString = cell->GetText();
 744         }
 745         else
 746         {
 747             if ( column == 0 )
 748                 *pString = GetLabel();
 749             else if ( column == 1 )
 750                 *pString = GetDisplayedString();
 751             else if ( column == 2 )
 752                 *pString = GetAttribute(wxPGGlobalVars->m_strUnits, wxEmptyString);
 753         }
 754     }
 755     else
 756     {
 757         wxASSERT( column == 1 );
 758
 759         if ( choiceIndex != wxNOT_FOUND )
 760         {
 761             const wxPGChoiceEntry& entry = m_choices[choiceIndex];
 762             if ( entry.GetBitmap().IsOk() ||
 763                  entry.GetFgCol().IsOk() ||
 764                  entry.GetBgCol().IsOk() )
 765                 cell = &entry;
 766             *pString = m_choices.GetLabel(choiceIndex);
 767         }
 768     }
 769
 770     if ( !cell )
 771         cell = &GetCell(column);
 772
 773     wxASSERT_MSG( cell->GetData(),
 774                   wxString::Format("Invalid cell for property %s",
 775                                    GetName().c_str()) );
 776
 777     *pCell = cell;
 778 }
 779
 780 /*
 781 wxString wxPGProperty::GetColumnText( unsigned int col, int choiceIndex ) const
 782 {
 783
 784     if ( col != 1 || choiceIndex == wxNOT_FOUND )
 785     {
 786         const wxPGCell& cell = GetCell(col);
 787         if ( cell->HasText() )
 788         {
 789             return cell->GetText();
 790         }
 791         else
 792         {
 793             if ( col == 0 )
 794                 return GetLabel();
 795             else if ( col == 1 )
 796                 return GetDisplayedString();
 797             else if ( col == 2 )
 798                 return GetAttribute(wxPGGlobalVars->m_strUnits, wxEmptyString);
 799         }
 800     }
 801     else
 802     {
 803         // Use choice
 804         return m_choices.GetLabel(choiceIndex);
 805     }
 806
 807     return wxEmptyString;
 808 }
 809 */
 810
 811 void wxPGProperty::DoGenerateComposedValue( wxString& text,
 812                                             int argFlags,
 813                                             const wxVariantList* valueOverrides,
 814                                             wxPGHashMapS2S* childResults ) const
 815 {
 816     int i;
 817     int iMax = m_children.size();
 818
 819     text.clear();
 820     if ( iMax == 0 )
 821         return;
 822
 823     if ( iMax > PWC_CHILD_SUMMARY_LIMIT &&
 824          !(argFlags & wxPG_FULL_VALUE) )
 825         iMax = PWC_CHILD_SUMMARY_LIMIT;
 826
 827     int iMaxMinusOne = iMax-1;
 828
 829     if ( !IsTextEditable() )
 830         argFlags |= wxPG_UNEDITABLE_COMPOSITE_FRAGMENT;
 831
 832     wxPGProperty* curChild = m_children[0];
 833
 834     bool overridesLeft = false;
 835     wxVariant overrideValue;
 836     wxVariantList::const_iterator node;
 837
 838     if ( valueOverrides )
 839     {
 840         node = valueOverrides->begin();
 841         if ( node != valueOverrides->end() )
 842         {
 843             overrideValue = *node;
 844             overridesLeft = true;
 845         }
 846     }
 847
 848     for ( i = 0; i < iMax; i++ )
 849     {
 850         wxVariant childValue;
 851
 852         wxString childLabel = curChild->GetLabel();
 853
 854         // Check for value override
 855         if ( overridesLeft && overrideValue.GetName() == childLabel )
 856         {
 857             if ( !overrideValue.IsNull() )
 858                 childValue = overrideValue;
 859             else
 860                 childValue = curChild->GetValue();
 861             ++node;
 862             if ( node != valueOverrides->end() )
 863                 overrideValue = *node;
 864             else
 865                 overridesLeft = false;
 866         }
 867         else
 868         {
 869             childValue = curChild->GetValue();
 870         }
 871
 872         wxString s;
 873         if ( !childValue.IsNull() )
 874         {
 875             if ( overridesLeft &&
 876                  curChild->HasFlag(wxPG_PROP_COMPOSED_VALUE) &&
 877                  childValue.GetType() == wxPG_VARIANT_TYPE_LIST )
 878             {
 879                 wxVariantList& childList = childValue.GetList();
 880                 DoGenerateComposedValue(s, argFlags|wxPG_COMPOSITE_FRAGMENT,
 881                                         &childList, childResults);
 882             }
 883             else
 884             {
 885                 s = curChild->ValueToString(childValue,
 886                                             argFlags|wxPG_COMPOSITE_FRAGMENT);
 887             }
 888         }
 889
 890         if ( childResults && curChild->GetChildCount() )
 891             (*childResults)[curChild->GetName()] = s;
 892
 893         bool skip = false;
 894         if ( (argFlags & wxPG_UNEDITABLE_COMPOSITE_FRAGMENT) && !s.length() )
 895             skip = true;
 896
 897         if ( !curChild->GetChildCount() || skip )
 898             text += s;
 899         else
 900             text += wxS("[") + s + wxS("]");
 901
 902         if ( i < iMaxMinusOne )
 903         {
 904             if ( text.length() > PWC_CHILD_SUMMARY_CHAR_LIMIT &&
 905                  !(argFlags & wxPG_EDITABLE_VALUE) &&
 906                  !(argFlags & wxPG_FULL_VALUE) )
 907                 break;
 908
 909             if ( !skip )
 910             {
 911                 if ( !curChild->GetChildCount() )
 912                     text += wxS("; ");
 913                 else
 914                     text += wxS(" ");
 915             }
 916
 917             curChild = m_children[i+1];
 918         }
 919     }
 920
 921     if ( (unsigned int)i < m_children.size() )
 922     {
 923         if ( !text.EndsWith(wxS("; ")) )
 924             text += wxS("; ...");
 925         else
 926             text += wxS("...");
 927     }
 928 }
 929
 930 wxString wxPGProperty::ValueToString( wxVariant& WXUNUSED(value),
 931                                       int argFlags ) const
 932 {
 933     wxCHECK_MSG( GetChildCount() > 0,
 934                  wxString(),
 935                  "If user property does not have any children, it must "
 936                  "override GetValueAsString" );
 937
 938     // FIXME: Currently code below only works if value is actually m_value
 939     wxASSERT_MSG( argFlags & wxPG_VALUE_IS_CURRENT,
 940                   "Sorry, currently default wxPGProperty::ValueToString() "
 941                   "implementation only works if value is m_value." );
 942
 943     wxString text;
 944     DoGenerateComposedValue(text, argFlags);
 945     return text;
 946 }
 947
 948 wxString wxPGProperty::GetValueAsString( int argFlags ) const
 949 {
 950 #if wxPG_COMPATIBILITY_1_4
 951     // This is backwards compatibility test
 952     // That is, to make sure this function is not overridden
 953     // (instead, ValueToString() should be).
 954     if ( argFlags == 0xFFFF )
 955     {
 956         // Do not override! (for backwards compliancy)
 957         return g_invalidStringContent;
 958     }
 959 #endif
 960
 961     wxPropertyGrid* pg = GetGrid();
 962
 963     if ( IsValueUnspecified() )
 964         return pg->GetUnspecifiedValueText(argFlags);
 965
 966     if ( m_commonValue == -1 )
 967     {
 968         wxVariant value(GetValue());
 969         return ValueToString(value, argFlags|wxPG_VALUE_IS_CURRENT);
 970     }
 971
 972     //
 973     // Return common value's string representation
 974     const wxPGCommonValue* cv = pg->GetCommonValue(m_commonValue);
 975
 976     if ( argFlags & wxPG_FULL_VALUE )
 977     {
 978         return cv->GetLabel();
 979     }
 980     else if ( argFlags & wxPG_EDITABLE_VALUE )
 981     {
 982         return cv->GetEditableText();
 983     }
 984     else
 985     {
 986         return cv->GetLabel();
 987     }
 988 }
 989
 990 wxString wxPGProperty::GetValueString( int argFlags ) const
 991 {
 992     return GetValueAsString(argFlags);
 993 }
 994
 995 bool wxPGProperty::IntToValue( wxVariant& variant, int number, int WXUNUSED(argFlags) ) const
 996 {
 997     variant = (long)number;
 998     return true;
 999 }
1000
1001 // Convert semicolon delimited tokens into child values.
1002 bool wxPGProperty::StringToValue( wxVariant& variant, const wxString& text, int argFlags ) const
1003 {
1004     if ( !GetChildCount() )
1005         return false;
1006
1007     unsigned int curChild = 0;
1008
1009     unsigned int iMax = m_children.size();
1010
1011     if ( iMax > PWC_CHILD_SUMMARY_LIMIT &&
1012          !(argFlags & wxPG_FULL_VALUE) )
1013         iMax = PWC_CHILD_SUMMARY_LIMIT;
1014
1015     bool changed = false;
1016
1017     wxString token;
1018     size_t pos = 0;
1019
1020     // Its best only to add non-empty group items
1021     bool addOnlyIfNotEmpty = false;
1022     const wxChar delimeter = wxS(';');
1023
1024     size_t tokenStart = 0xFFFFFF;
1025
1026     wxVariantList temp_list;
1027     wxVariant list(temp_list);
1028
1029     int propagatedFlags = argFlags & (wxPG_REPORT_ERROR|wxPG_PROGRAMMATIC_VALUE);
1030
1031     wxLogTrace("propgrid",
1032                wxT(">> %s.StringToValue('%s')"), GetLabel(), text);
1033
1034     wxString::const_iterator it = text.begin();
1035     wxUniChar a;
1036
1037     if ( it != text.end() )
1038         a = *it;
1039     else
1040         a = 0;
1041
1042     for ( ;; )
1043     {
1044         // How many units we iterate string forward at the end of loop?
1045         // We need to keep track of this or risk going to negative
1046         // with it-- operation.
1047         unsigned int strPosIncrement = 1;
1048
1049         if ( tokenStart != 0xFFFFFF )
1050         {
1051             // Token is running
1052             if ( a == delimeter || a == 0 )
1053             {
1054                 token = text.substr(tokenStart,pos-tokenStart);
1055                 token.Trim(true);
1056                 size_t len = token.length();
1057
1058                 if ( !addOnlyIfNotEmpty || len > 0 )
1059                 {
1060                     const wxPGProperty* child = Item(curChild);
1061                     wxVariant variant(child->GetValue());
1062                     wxString childName = child->GetBaseName();
1063
1064                     wxLogTrace("propgrid",
1065                                wxT("token = '%s', child = %s"),
1066                                token, childName);
1067
1068                     // Add only if editable or setting programmatically
1069                     if ( (argFlags & wxPG_PROGRAMMATIC_VALUE) ||
1070                          !child->HasFlag(wxPG_PROP_DISABLED|wxPG_PROP_READONLY) )
1071                     {
1072                         if ( len > 0 )
1073                         {
1074                             if ( child->StringToValue(variant, token,
1075                                  propagatedFlags|wxPG_COMPOSITE_FRAGMENT) )
1076                             {
1077                                 // We really need to set the variant's name
1078                                 // *after* child->StringToValue() has been
1079                                 // called, since variant's value may be set by
1080                                 // assigning another variant into it, which
1081                                 // then usually causes name to be copied (ie.
1082                                 // usually cleared) as well. wxBoolProperty
1083                                 // being case in point with its use of
1084                                 // wxPGVariant_Bool macro as an optimization.
1085                                 variant.SetName(childName);
1086                                 list.Append(variant);
1087
1088                                 changed = true;
1089                             }
1090                         }
1091                         else
1092                         {
1093                             // Empty, becomes unspecified
1094                             variant.MakeNull();
1095                             variant.SetName(childName);
1096                             list.Append(variant);
1097                             changed = true;
1098                         }
1099                     }
1100
1101                     curChild++;
1102                     if ( curChild >= iMax )
1103                         break;
1104                 }
1105
1106                 tokenStart = 0xFFFFFF;
1107             }
1108         }
1109         else
1110         {
1111             // Token is not running
1112             if ( a != wxS(' ') )
1113             {
1114
1115                 addOnlyIfNotEmpty = false;
1116
1117                 // Is this a group of tokens?
1118                 if ( a == wxS('[') )
1119                 {
1120                     int depth = 1;
1121
1122                     if ( it != text.end() ) ++it;
1123                     pos++;
1124                     size_t startPos = pos;
1125
1126                     // Group item - find end
1127                     while ( it != text.end() && depth > 0 )
1128                     {
1129                         a = *it;
1130                         ++it;
1131                         pos++;
1132
1133                         if ( a == wxS(']') )
1134                             depth--;
1135                         else if ( a == wxS('[') )
1136                             depth++;
1137                     }
1138
1139                     token = text.substr(startPos,pos-startPos-1);
1140
1141                     if ( !token.length() )
1142                         break;
1143
1144                     const wxPGProperty* child = Item(curChild);
1145
1146                     wxVariant oldChildValue = child->GetValue();
1147                     wxVariant variant(oldChildValue);
1148
1149                     if ( (argFlags & wxPG_PROGRAMMATIC_VALUE) ||
1150                          !child->HasFlag(wxPG_PROP_DISABLED|wxPG_PROP_READONLY) )
1151                     {
1152                         wxString childName = child->GetBaseName();
1153
1154                         bool stvRes = child->StringToValue( variant, token,
1155                                                             propagatedFlags );
1156                         if ( stvRes || (variant != oldChildValue) )
1157                         {
1158                             variant.SetName(childName);
1159                             list.Append(variant);
1160
1161                             changed = true;
1162                         }
1163                         else
1164                         {
1165                             // No changes...
1166                         }
1167                     }
1168
1169                     curChild++;
1170                     if ( curChild >= iMax )
1171                         break;
1172
1173                     addOnlyIfNotEmpty = true;
1174
1175                     tokenStart = 0xFFFFFF;
1176                 }
1177                 else
1178                 {
1179                     tokenStart = pos;
1180
1181                     if ( a == delimeter )
1182                         strPosIncrement -= 1;
1183                 }
1184             }
1185         }
1186
1187         if ( a == 0 )
1188             break;
1189
1190         it += strPosIncrement;
1191
1192         if ( it != text.end() )
1193         {
1194             a = *it;
1195         }
1196         else
1197         {
1198             a = 0;
1199         }
1200
1201         pos += strPosIncrement;
1202     }
1203
1204     if ( changed )
1205         variant = list;
1206
1207     return changed;
1208 }
1209
1210 bool wxPGProperty::SetValueFromString( const wxString& text, int argFlags )
1211 {
1212     wxVariant variant(m_value);
1213     bool res = StringToValue(variant, text, argFlags);
1214     if ( res )
1215         SetValue(variant);
1216     return res;
1217 }
1218
1219 bool wxPGProperty::SetValueFromInt( long number, int argFlags )
1220 {
1221     wxVariant variant(m_value);
1222     bool res = IntToValue(variant, number, argFlags);
1223     if ( res )
1224         SetValue(variant);
1225     return res;
1226 }
1227
1228 wxSize wxPGProperty::OnMeasureImage( int WXUNUSED(item) ) const
1229 {
1230     if ( m_valueBitmap )
1231         return wxSize(m_valueBitmap->GetWidth(),-1);
1232
1233     return wxSize(0,0);
1234 }
1235
1236 int wxPGProperty::GetImageOffset( int imageWidth ) const
1237 {
1238     int imageOffset = 0;
1239
1240     if ( imageWidth )
1241     {
1242         // Do not increment offset too much for wide images
1243         if ( imageWidth <= (wxPG_CUSTOM_IMAGE_WIDTH+5) )
1244             imageOffset = imageWidth + DEFAULT_IMAGE_OFFSET_INCREMENT;
1245         else
1246             imageOffset = imageWidth + 1;
1247     }
1248
1249     return imageOffset;
1250 }
1251
1252 wxPGCellRenderer* wxPGProperty::GetCellRenderer( int WXUNUSED(column) ) const
1253 {
1254     return wxPGGlobalVars->m_defaultRenderer;
1255 }
1256
1257 void wxPGProperty::OnCustomPaint( wxDC& dc,
1258                                   const wxRect& rect,
1259                                   wxPGPaintData& )
1260 {
1261     wxBitmap* bmp = m_valueBitmap;
1262
1263     wxCHECK_RET( bmp && bmp->Ok(), wxT("invalid bitmap") );
1264
1265     wxCHECK_RET( rect.x >= 0, wxT("unexpected measure call") );
1266
1267     dc.DrawBitmap(*bmp,rect.x,rect.y);
1268 }
1269
1270 const wxPGEditor* wxPGProperty::DoGetEditorClass() const
1271 {
1272     return wxPGEditor_TextCtrl;
1273 }
1274
1275 // Default extra property event handling - that is, none at all.
1276 bool wxPGProperty::OnEvent( wxPropertyGrid*, wxWindow*, wxEvent& )
1277 {
1278     return false;
1279 }
1280
1281
1282 void wxPGProperty::SetValue( wxVariant value, wxVariant* pList, int flags )
1283 {
1284     // If auto unspecified values are not wanted (via window or property style),
1285     // then get default value instead of wxNullVariant.
1286     if ( value.IsNull() && (flags & wxPG_SETVAL_BY_USER) &&
1287          !UsesAutoUnspecified() )
1288     {
1289         value = GetDefaultValue();
1290     }
1291
1292     if ( !value.IsNull() )
1293     {
1294         wxVariant tempListVariant;
1295
1296         SetCommonValue(-1);
1297         // List variants are reserved a special purpose
1298         // as intermediate containers for child values
1299         // of properties with children.
1300         if ( value.GetType() == wxPG_VARIANT_TYPE_LIST )
1301         {
1302             //
1303             // However, situation is different for composed string properties
1304             if ( HasFlag(wxPG_PROP_COMPOSED_VALUE) )
1305             {
1306                 tempListVariant = value;
1307                 pList = &tempListVariant;
1308             }
1309
1310             wxVariant newValue;
1311             AdaptListToValue(value, &newValue);
1312             value = newValue;
1313             //wxLogDebug(wxT(">> %s.SetValue() adapted list value to type '%s'"),GetName().c_str(),value.GetType().c_str());
1314         }
1315
1316         if ( HasFlag( wxPG_PROP_AGGREGATE) )
1317             flags |= wxPG_SETVAL_AGGREGATED;
1318
1319         if ( pList && !pList->IsNull() )
1320         {
1321             wxASSERT( pList->GetType() == wxPG_VARIANT_TYPE_LIST );
1322             wxASSERT( GetChildCount() );
1323             wxASSERT( !IsCategory() );
1324
1325             wxVariantList& list = pList->GetList();
1326             wxVariantList::iterator node;
1327             unsigned int i = 0;
1328
1329             //wxLogDebug(wxT(">> %s.SetValue() pList parsing"),GetName().c_str());
1330
1331             // Children in list can be in any order, but we will give hint to
1332             // GetPropertyByNameWH(). This optimizes for full list parsing.
1333             for ( node = list.begin(); node != list.end(); ++node )
1334             {
1335                 wxVariant& childValue = *((wxVariant*)*node);
1336                 wxPGProperty* child = GetPropertyByNameWH(childValue.GetName(), i);
1337                 if ( child )
1338                 {
1339                     //wxLogDebug(wxT("%i: child = %s, childValue.GetType()=%s"),i,child->GetBaseName().c_str(),childValue.GetType().c_str());
1340                     if ( childValue.GetType() == wxPG_VARIANT_TYPE_LIST )
1341                     {
1342                         if ( child->HasFlag(wxPG_PROP_AGGREGATE) && !(flags & wxPG_SETVAL_AGGREGATED) )
1343                         {
1344                             wxVariant listRefCopy = childValue;
1345                             child->SetValue(childValue, &listRefCopy, flags|wxPG_SETVAL_FROM_PARENT);
1346                         }
1347                         else
1348                         {
1349                             wxVariant oldVal = child->GetValue();
1350                             child->SetValue(oldVal, &childValue, flags|wxPG_SETVAL_FROM_PARENT);
1351                         }
1352                     }
1353                     else if ( child->GetValue() != childValue )
1354                     {
1355                         // For aggregate properties, we will trust RefreshChildren()
1356                         // to update child values.
1357                         if ( !HasFlag(wxPG_PROP_AGGREGATE) )
1358                             child->SetValue(childValue, NULL, flags|wxPG_SETVAL_FROM_PARENT);
1359                         if ( flags & wxPG_SETVAL_BY_USER )
1360                             child->SetFlag(wxPG_PROP_MODIFIED);
1361                     }
1362                 }
1363                 i++;
1364             }
1365         }
1366
1367         if ( !value.IsNull() )
1368         {
1369             m_value = value;
1370             OnSetValue();
1371         }
1372
1373         if ( flags & wxPG_SETVAL_BY_USER )
1374             SetFlag(wxPG_PROP_MODIFIED);
1375
1376         if ( HasFlag(wxPG_PROP_AGGREGATE) )
1377             RefreshChildren();
1378     }
1379     else
1380     {
1381         if ( m_commonValue != -1 )
1382         {
1383             wxPropertyGrid* pg = GetGrid();
1384             if ( !pg || m_commonValue != pg->GetUnspecifiedCommonValue() )
1385                 SetCommonValue(-1);
1386         }
1387
1388         m_value = value;
1389
1390         // Set children to unspecified, but only if aggregate or
1391         // value is <composed>
1392         if ( AreChildrenComponents() )
1393         {
1394             unsigned int i;
1395             for ( i=0; i<GetChildCount(); i++ )
1396                 Item(i)->SetValue(value, NULL, flags|wxPG_SETVAL_FROM_PARENT);
1397         }
1398     }
1399
1400     if ( !(flags & wxPG_SETVAL_FROM_PARENT) )
1401         UpdateParentValues();
1402
1403     //
1404     // Update editor control.
1405     if ( flags & wxPG_SETVAL_REFRESH_EDITOR )
1406     {
1407         wxPropertyGrid* pg = GetGridIfDisplayed();
1408         if ( pg )
1409         {
1410             wxPGProperty* selected = pg->GetSelectedProperty();
1411
1412             // Only refresh the control if this was selected, or
1413             // this was some parent of selected, or vice versa)
1414             if ( selected && (selected == this ||
1415                               selected->IsSomeParent(this) ||
1416                               this->IsSomeParent(selected)) )
1417                 RefreshEditor();
1418
1419             pg->DrawItemAndValueRelated(this);
1420         }
1421     }
1422 }
1423
1424
1425 void wxPGProperty::SetValueInEvent( wxVariant value ) const
1426 {
1427     GetGrid()->ValueChangeInEvent(value);
1428 }
1429
1430 void wxPGProperty::SetFlagRecursively( FlagType flag, bool set )
1431 {
1432     ChangeFlag(flag, set);
1433
1434     unsigned int i;
1435     for ( i = 0; i < GetChildCount(); i++ )
1436         Item(i)->SetFlagRecursively(flag, set);
1437 }
1438
1439 void wxPGProperty::RefreshEditor()
1440 {
1441     if ( !m_parent )
1442         return;
1443
1444     wxPropertyGrid* pg = GetGrid();
1445     if ( pg && pg->GetSelectedProperty() == this )
1446         pg->RefreshEditor();
1447 }
1448
1449 wxVariant wxPGProperty::GetDefaultValue() const
1450 {
1451     wxVariant defVal = GetAttribute(wxPG_ATTR_DEFAULT_VALUE);
1452     if ( !defVal.IsNull() )
1453         return defVal;
1454
1455     wxVariant value = GetValue();
1456
1457     if ( !value.IsNull() )
1458     {
1459         wxString valueType(value.GetType());
1460
1461         if ( valueType == wxPG_VARIANT_TYPE_LONG )
1462             return wxPGVariant_Zero;
1463         if ( valueType == wxPG_VARIANT_TYPE_STRING )
1464             return wxPGVariant_EmptyString;
1465         if ( valueType == wxPG_VARIANT_TYPE_BOOL )
1466             return wxPGVariant_False;
1467         if ( valueType == wxPG_VARIANT_TYPE_DOUBLE )
1468             return wxVariant(0.0);
1469         if ( valueType == wxPG_VARIANT_TYPE_ARRSTRING )
1470             return wxVariant(wxArrayString());
1471         if ( valueType == wxS("wxLongLong") )
1472             return WXVARIANT(wxLongLong(0));
1473         if ( valueType == wxS("wxULongLong") )
1474             return WXVARIANT(wxULongLong(0));
1475         if ( valueType == wxS("wxColour") )
1476             return WXVARIANT(*wxBLACK);
1477 #if wxUSE_DATETIME
1478         if ( valueType == wxPG_VARIANT_TYPE_DATETIME )
1479             return wxVariant(wxDateTime::Now());
1480 #endif
1481         if ( valueType == wxS("wxFont") )
1482             return WXVARIANT(*wxNORMAL_FONT);
1483         if ( valueType == wxS("wxPoint") )
1484             return WXVARIANT(wxPoint(0, 0));
1485         if ( valueType == wxS("wxSize") )
1486             return WXVARIANT(wxSize(0, 0));
1487     }
1488
1489     return wxVariant();
1490 }
1491
1492 void wxPGProperty::EnsureCells( unsigned int column )
1493 {
1494     if ( column >= m_cells.size() )
1495     {
1496         // Fill empty slots with default cells
1497         wxPropertyGrid* pg = GetGrid();
1498         wxPGCell defaultCell;
1499
1500         // Work around possible VC6 bug by using intermediate variables
1501         const wxPGCell& propDefCell = pg->GetPropertyDefaultCell();
1502         const wxPGCell& catDefCell = pg->GetCategoryDefaultCell();
1503
1504         if ( !HasFlag(wxPG_PROP_CATEGORY) )
1505             defaultCell = propDefCell;
1506         else
1507             defaultCell = catDefCell;
1508
1509         // TODO: Replace with resize() call
1510         unsigned int cellCountMax = column+1;
1511
1512         for ( unsigned int i=m_cells.size(); i<cellCountMax; i++ )
1513             m_cells.push_back(defaultCell);
1514     }
1515 }
1516
1517 void wxPGProperty::SetCell( int column,
1518                             const wxPGCell& cell )
1519 {
1520     EnsureCells(column);
1521
1522     m_cells[column] = cell;
1523 }
1524
1525 void wxPGProperty::AdaptiveSetCell( unsigned int firstCol,
1526                                     unsigned int lastCol,
1527                                     const wxPGCell& cell,
1528                                     const wxPGCell& srcData,
1529                                     wxPGCellData* unmodCellData,
1530                                     FlagType ignoreWithFlags,
1531                                     bool recursively )
1532 {
1533     //
1534     // Sets cell in memory optimizing fashion. That is, if
1535     // current cell data matches unmodCellData, we will
1536     // simply get reference to data from cell. Otherwise,
1537     // cell information from srcData is merged into current.
1538     //
1539
1540     if ( !(m_flags & ignoreWithFlags) && !IsRoot() )
1541     {
1542         EnsureCells(lastCol);
1543
1544         for ( unsigned int col=firstCol; col<=lastCol; col++ )
1545         {
1546             if ( m_cells[col].GetData() == unmodCellData )
1547             {
1548                 // Data matches... use cell directly
1549                 m_cells[col] = cell;
1550             }
1551             else
1552             {
1553                 // Data did not match... merge valid information
1554                 m_cells[col].MergeFrom(srcData);
1555             }
1556         }
1557     }
1558
1559     if ( recursively )
1560     {
1561         for ( unsigned int i=0; i<GetChildCount(); i++ )
1562             Item(i)->AdaptiveSetCell( firstCol,
1563                                       lastCol,
1564                                       cell,
1565                                       srcData,
1566                                       unmodCellData,
1567                                       ignoreWithFlags,
1568                                       recursively );
1569     }
1570 }
1571
1572 const wxPGCell& wxPGProperty::GetCell( unsigned int column ) const
1573 {
1574     if ( m_cells.size() > column )
1575         return m_cells[column];
1576
1577     wxPropertyGrid* pg = GetGrid();
1578
1579     if ( IsCategory() )
1580         return pg->GetCategoryDefaultCell();
1581
1582     return pg->GetPropertyDefaultCell();
1583 }
1584
1585 wxPGCell& wxPGProperty::GetOrCreateCell( unsigned int column )
1586 {
1587     EnsureCells(column);
1588     return m_cells[column];
1589 }
1590
1591 void wxPGProperty::SetBackgroundColour( const wxColour& colour,
1592                                         int flags )
1593 {
1594     wxPGProperty* firstProp = this;
1595     bool recursively = flags & wxPG_RECURSE ? true : false;
1596
1597     //
1598     // If category is tried to set recursively, skip it and only
1599     // affect the children.
1600     if ( recursively )
1601     {
1602         while ( firstProp->IsCategory() )
1603         {
1604             if ( !firstProp->GetChildCount() )
1605                 return;
1606             firstProp = firstProp->Item(0);
1607         }
1608     }
1609
1610     wxPGCell& firstCell = firstProp->GetCell(0);
1611     wxPGCellData* firstCellData = firstCell.GetData();
1612
1613     wxPGCell newCell(firstCell);
1614     newCell.SetBgCol(colour);
1615     wxPGCell srcCell;
1616     srcCell.SetBgCol(colour);
1617
1618     AdaptiveSetCell( 0,
1619                      GetParentState()->GetColumnCount()-1,
1620                      newCell,
1621                      srcCell,
1622                      firstCellData,
1623                      recursively ? wxPG_PROP_CATEGORY : 0,
1624                      recursively );
1625 }
1626
1627 void wxPGProperty::SetTextColour( const wxColour& colour,
1628                                   int flags )
1629 {
1630     wxPGProperty* firstProp = this;
1631     bool recursively = flags & wxPG_RECURSE ? true : false;
1632
1633     //
1634     // If category is tried to set recursively, skip it and only
1635     // affect the children.
1636     if ( recursively )
1637     {
1638         while ( firstProp->IsCategory() )
1639         {
1640             if ( !firstProp->GetChildCount() )
1641                 return;
1642             firstProp = firstProp->Item(0);
1643         }
1644     }
1645
1646     wxPGCell& firstCell = firstProp->GetCell(0);
1647     wxPGCellData* firstCellData = firstCell.GetData();
1648
1649     wxPGCell newCell(firstCell);
1650     newCell.SetFgCol(colour);
1651     wxPGCell srcCell;
1652     srcCell.SetFgCol(colour);
1653
1654     AdaptiveSetCell( 0,
1655                      GetParentState()->GetColumnCount()-1,
1656                      newCell,
1657                      srcCell,
1658                      firstCellData,
1659                      recursively ? wxPG_PROP_CATEGORY : 0,
1660                      recursively );
1661 }
1662
1663 wxPGEditorDialogAdapter* wxPGProperty::GetEditorDialog() const
1664 {
1665     return NULL;
1666 }
1667
1668 bool wxPGProperty::DoSetAttribute( const wxString& WXUNUSED(name), wxVariant& WXUNUSED(value) )
1669 {
1670     return false;
1671 }
1672
1673 void wxPGProperty::SetAttribute( const wxString& name, wxVariant value )
1674 {
1675     if ( DoSetAttribute( name, value ) )
1676     {
1677         // Support working without grid, when possible
1678         if ( wxPGGlobalVars->HasExtraStyle( wxPG_EX_WRITEONLY_BUILTIN_ATTRIBUTES ) )
1679             return;
1680     }
1681
1682     m_attributes.Set( name, value );
1683 }
1684
1685 void wxPGProperty::SetAttributes( const wxPGAttributeStorage& attributes )
1686 {
1687     wxPGAttributeStorage::const_iterator it = attributes.StartIteration();
1688     wxVariant variant;
1689
1690     while ( attributes.GetNext(it, variant) )
1691         SetAttribute( variant.GetName(), variant );
1692 }
1693
1694 wxVariant wxPGProperty::DoGetAttribute( const wxString& WXUNUSED(name) ) const
1695 {
1696     return wxVariant();
1697 }
1698
1699
1700 wxVariant wxPGProperty::GetAttribute( const wxString& name ) const
1701 {
1702     return m_attributes.FindValue(name);
1703 }
1704
1705 wxString wxPGProperty::GetAttribute( const wxString& name, const wxString& defVal ) const
1706 {
1707     wxVariant variant = m_attributes.FindValue(name);
1708
1709     if ( !variant.IsNull() )
1710         return variant.GetString();
1711
1712     return defVal;
1713 }
1714
1715 long wxPGProperty::GetAttributeAsLong( const wxString& name, long defVal ) const
1716 {
1717     wxVariant variant = m_attributes.FindValue(name);
1718
1719     if ( variant.IsNull() )
1720         return defVal;
1721
1722     return variant.GetLong();
1723 }
1724
1725 double wxPGProperty::GetAttributeAsDouble( const wxString& name, double defVal ) const
1726 {
1727     wxVariant variant = m_attributes.FindValue(name);
1728
1729     if ( variant.IsNull() )
1730         return defVal;
1731
1732     return variant.GetDouble();
1733 }
1734
1735 wxVariant wxPGProperty::GetAttributesAsList() const
1736 {
1737     wxVariantList tempList;
1738     wxVariant v( tempList, wxString::Format(wxS("@%s@attr"),m_name.c_str()) );
1739
1740     wxPGAttributeStorage::const_iterator it = m_attributes.StartIteration();
1741     wxVariant variant;
1742
1743     while ( m_attributes.GetNext(it, variant) )
1744         v.Append(variant);
1745
1746     return v;
1747 }
1748
1749 // Slots of utility flags are NULL
1750 const unsigned int gs_propFlagToStringSize = 14;
1751
1752 static const wxChar* const gs_propFlagToString[gs_propFlagToStringSize] = {
1753     NULL,
1754     wxT("DISABLED"),
1755     wxT("HIDDEN"),
1756     NULL,
1757     wxT("NOEDITOR"),
1758     wxT("COLLAPSED"),
1759     NULL,
1760     NULL,
1761     NULL,
1762     NULL,
1763     NULL,
1764     NULL,
1765     NULL,
1766     NULL
1767 };
1768
1769 wxString wxPGProperty::GetFlagsAsString( FlagType flagsMask ) const
1770 {
1771     wxString s;
1772     int relevantFlags = m_flags & flagsMask & wxPG_STRING_STORED_FLAGS;
1773     FlagType a = 1;
1774
1775     unsigned int i = 0;
1776     for ( i=0; i<gs_propFlagToStringSize; i++ )
1777     {
1778         if ( relevantFlags & a )
1779         {
1780             const wxChar* fs = gs_propFlagToString[i];
1781             wxASSERT(fs);
1782             if ( s.length() )
1783                 s << wxS("|");
1784             s << fs;
1785         }
1786         a = a << 1;
1787     }
1788
1789     return s;
1790 }
1791
1792 void wxPGProperty::SetFlagsFromString( const wxString& str )
1793 {
1794     FlagType flags = 0;
1795
1796     WX_PG_TOKENIZER1_BEGIN(str, wxS('|'))
1797         unsigned int i;
1798         for ( i=0; i<gs_propFlagToStringSize; i++ )
1799         {
1800             const wxChar* fs = gs_propFlagToString[i];
1801             if ( fs && str == fs )
1802             {
1803                 flags |= (1<<i);
1804                 break;
1805             }
1806         }
1807     WX_PG_TOKENIZER1_END()
1808
1809     m_flags = (m_flags & ~wxPG_STRING_STORED_FLAGS) | flags;
1810 }
1811
1812 wxValidator* wxPGProperty::DoGetValidator() const
1813 {
1814     return NULL;
1815 }
1816
1817 int wxPGProperty::InsertChoice( const wxString& label, int index, int value )
1818 {
1819     wxPropertyGrid* pg = GetGrid();
1820     int sel = GetChoiceSelection();
1821
1822     int newSel = sel;
1823
1824     if ( index == wxNOT_FOUND )
1825         index = m_choices.GetCount();
1826
1827     if ( index <= sel )
1828         newSel++;
1829
1830     m_choices.Insert(label, index, value);
1831
1832     if ( sel != newSel )
1833         SetChoiceSelection(newSel);
1834
1835     if ( this == pg->GetSelection() )
1836         GetEditorClass()->InsertItem(pg->GetEditorControl(),label,index);
1837
1838     return index;
1839 }
1840
1841
1842 void wxPGProperty::DeleteChoice( int index )
1843 {
1844     wxPropertyGrid* pg = GetGrid();
1845
1846     int sel = GetChoiceSelection();
1847     int newSel = sel;
1848
1849     // Adjust current value
1850     if ( sel == index )
1851     {
1852         SetValueToUnspecified();
1853         newSel = 0;
1854     }
1855     else if ( index < sel )
1856     {
1857         newSel--;
1858     }
1859
1860     m_choices.RemoveAt(index);
1861
1862     if ( sel != newSel )
1863         SetChoiceSelection(newSel);
1864
1865     if ( this == pg->GetSelection() )
1866         GetEditorClass()->DeleteItem(pg->GetEditorControl(), index);
1867 }
1868
1869 int wxPGProperty::GetChoiceSelection() const
1870 {
1871     wxVariant value = GetValue();
1872     wxString valueType = value.GetType();
1873     int index = wxNOT_FOUND;
1874
1875     if ( IsValueUnspecified() || !m_choices.GetCount() )
1876         return wxNOT_FOUND;
1877
1878     if ( valueType == wxPG_VARIANT_TYPE_LONG )
1879     {
1880         index = value.GetLong();
1881     }
1882     else if ( valueType == wxPG_VARIANT_TYPE_STRING )
1883     {
1884         index = m_choices.Index(value.GetString());
1885     }
1886     else if ( valueType == wxPG_VARIANT_TYPE_BOOL )
1887     {
1888         index = value.GetBool()? 1 : 0;
1889     }
1890
1891     return index;
1892 }
1893
1894 void wxPGProperty::SetChoiceSelection( int newValue )
1895 {
1896     // Changes value of a property with choices, but only
1897     // works if the value type is long or string.
1898     wxString valueType = GetValue().GetType();
1899
1900     wxCHECK_RET( m_choices.IsOk(), wxT("invalid choiceinfo") );
1901
1902     if ( valueType == wxPG_VARIANT_TYPE_STRING )
1903     {
1904         SetValue( m_choices.GetLabel(newValue) );
1905     }
1906     else  // if ( valueType == wxPG_VARIANT_TYPE_LONG )
1907     {
1908         SetValue( (long) newValue );
1909     }
1910 }
1911
1912 bool wxPGProperty::SetChoices( wxPGChoices& choices )
1913 {
1914     m_choices.Assign(choices);
1915
1916     {
1917         // This may be needed to trigger some initialization
1918         // (but don't do it if property is somewhat uninitialized)
1919         wxVariant defVal = GetDefaultValue();
1920         if ( defVal.IsNull() )
1921             return false;
1922
1923         SetValue(defVal);
1924     }
1925
1926     return true;
1927 }
1928
1929
1930 const wxPGEditor* wxPGProperty::GetEditorClass() const
1931 {
1932     const wxPGEditor* editor;
1933
1934     if ( !m_customEditor )
1935     {
1936         editor = DoGetEditorClass();
1937     }
1938     else
1939         editor = m_customEditor;
1940
1941     //
1942     // Maybe override editor if common value specified
1943     if ( GetDisplayedCommonValueCount() )
1944     {
1945         // TextCtrlAndButton -> ComboBoxAndButton
1946         if ( editor->IsKindOf(CLASSINFO(wxPGTextCtrlAndButtonEditor)) )
1947             editor = wxPGEditor_ChoiceAndButton;
1948
1949         // TextCtrl -> ComboBox
1950         else if ( editor->IsKindOf(CLASSINFO(wxPGTextCtrlEditor)) )
1951             editor = wxPGEditor_ComboBox;
1952     }
1953
1954     return editor;
1955 }
1956
1957 bool wxPGProperty::HasVisibleChildren() const
1958 {
1959     unsigned int i;
1960
1961     for ( i=0; i<GetChildCount(); i++ )
1962     {
1963         wxPGProperty* child = Item(i);
1964
1965         if ( !child->HasFlag(wxPG_PROP_HIDDEN) )
1966             return true;
1967     }
1968
1969     return false;
1970 }
1971
1972 bool wxPGProperty::RecreateEditor()
1973 {
1974     wxPropertyGrid* pg = GetGrid();
1975     wxASSERT(pg);
1976
1977     wxPGProperty* selected = pg->GetSelection();
1978     if ( this == selected )
1979     {
1980         pg->DoSelectProperty(this, wxPG_SEL_FORCE);
1981         return true;
1982     }
1983     return false;
1984 }
1985
1986
1987 void wxPGProperty::SetValueImage( wxBitmap& bmp )
1988 {
1989     delete m_valueBitmap;
1990
1991     if ( &bmp && bmp.Ok() )
1992     {
1993         // Resize the image
1994         wxSize maxSz = GetGrid()->GetImageSize();
1995         wxSize imSz(bmp.GetWidth(),bmp.GetHeight());
1996
1997         if ( imSz.y != maxSz.y )
1998         {
1999             // Create a memory DC
2000             wxBitmap* bmpNew = new wxBitmap(maxSz.x,maxSz.y,bmp.GetDepth());
2001
2002             wxMemoryDC dc;
2003             dc.SelectObject(*bmpNew);
2004
2005             // Scale
2006             // FIXME: This is ugly - use image or wait for scaling patch.
2007             double scaleY = (double)maxSz.y / (double)imSz.y;
2008
2009             dc.SetUserScale(scaleY, scaleY);
2010
2011             dc.DrawBitmap(bmp, 0, 0);
2012
2013             m_valueBitmap = bmpNew;
2014         }
2015         else
2016         {
2017             m_valueBitmap = new wxBitmap(bmp);
2018         }
2019
2020         m_flags |= wxPG_PROP_CUSTOMIMAGE;
2021     }
2022     else
2023     {
2024         m_valueBitmap = NULL;
2025         m_flags &= ~(wxPG_PROP_CUSTOMIMAGE);
2026     }
2027 }
2028
2029
2030 wxPGProperty* wxPGProperty::GetMainParent() const
2031 {
2032     const wxPGProperty* curChild = this;
2033     const wxPGProperty* curParent = m_parent;
2034
2035     while ( curParent && !curParent->IsCategory() )
2036     {
2037         curChild = curParent;
2038         curParent = curParent->m_parent;
2039     }
2040
2041     return (wxPGProperty*) curChild;
2042 }
2043
2044
2045 const wxPGProperty* wxPGProperty::GetLastVisibleSubItem() const
2046 {
2047     //
2048     // Returns last visible sub-item, recursively.
2049     if ( !IsExpanded() || !GetChildCount() )
2050         return this;
2051
2052     return Last()->GetLastVisibleSubItem();
2053 }
2054
2055
2056 bool wxPGProperty::IsVisible() const
2057 {
2058     const wxPGProperty* parent;
2059
2060     if ( HasFlag(wxPG_PROP_HIDDEN) )
2061         return false;
2062
2063     for ( parent = GetParent(); parent != NULL; parent = parent->GetParent() )
2064     {
2065         if ( !parent->IsExpanded() || parent->HasFlag(wxPG_PROP_HIDDEN) )
2066             return false;
2067     }
2068
2069     return true;
2070 }
2071
2072 wxPropertyGrid* wxPGProperty::GetGridIfDisplayed() const
2073 {
2074     wxPropertyGridPageState* state = GetParentState();
2075     if ( !state )
2076         return NULL;
2077     wxPropertyGrid* propGrid = state->GetGrid();
2078     if ( state == propGrid->GetState() )
2079         return propGrid;
2080     return NULL;
2081 }
2082
2083
2084 int wxPGProperty::GetY2( int lh ) const
2085 {
2086     const wxPGProperty* parent;
2087     const wxPGProperty* child = this;
2088
2089     int y = 0;
2090
2091     for ( parent = GetParent(); parent != NULL; parent = child->GetParent() )
2092     {
2093         if ( !parent->IsExpanded() )
2094             return -1;
2095         y += parent->GetChildrenHeight(lh, child->GetIndexInParent());
2096         y += lh;
2097         child = parent;
2098     }
2099
2100     y -= lh;  // need to reduce one level
2101
2102     return y;
2103 }
2104
2105
2106 int wxPGProperty::GetY() const
2107 {
2108     return GetY2(GetGrid()->GetRowHeight());
2109 }
2110
2111 // This is used by Insert etc.
2112 void wxPGProperty::DoAddChild( wxPGProperty* prop, int index,
2113                                bool correct_mode )
2114 {
2115     if ( index < 0 || (size_t)index >= m_children.size() )
2116     {
2117         if ( correct_mode ) prop->m_arrIndex = m_children.size();
2118         m_children.push_back( prop );
2119     }
2120     else
2121     {
2122         m_children.insert( m_children.begin()+index, prop);
2123         if ( correct_mode ) FixIndicesOfChildren( index );
2124     }
2125
2126     prop->m_parent = this;
2127 }
2128
2129 void wxPGProperty::DoPreAddChild( int index, wxPGProperty* prop )
2130 {
2131     wxASSERT_MSG( prop->GetBaseName().length(),
2132                   "Property's children must have unique, non-empty "
2133                   "names within their scope" );
2134
2135     prop->m_arrIndex = index;
2136     m_children.insert( m_children.begin()+index,
2137                        prop );
2138
2139     int custImgHeight = prop->OnMeasureImage().y;
2140     if ( custImgHeight < 0 /*|| custImgHeight > 1*/ )
2141         prop->m_flags |= wxPG_PROP_CUSTOMIMAGE;
2142
2143     prop->m_parent = this;
2144 }
2145
2146 void wxPGProperty::AddPrivateChild( wxPGProperty* prop )
2147 {
2148     if ( !(m_flags & wxPG_PROP_PARENTAL_FLAGS) )
2149         SetParentalType(wxPG_PROP_AGGREGATE);
2150
2151     wxASSERT_MSG( (m_flags & wxPG_PROP_PARENTAL_FLAGS) ==
2152                     wxPG_PROP_AGGREGATE,
2153                   "Do not mix up AddPrivateChild() calls with other "
2154                   "property adders." );
2155
2156     DoPreAddChild( m_children.size(), prop );
2157 }
2158
2159 #if wxPG_COMPATIBILITY_1_4
2160 void wxPGProperty::AddChild( wxPGProperty* prop )
2161 {
2162     AddPrivateChild(prop);
2163 }
2164 #endif
2165
2166 wxPGProperty* wxPGProperty::InsertChild( int index,
2167                                          wxPGProperty* childProperty )
2168 {
2169     if ( index < 0 )
2170         index = m_children.size();
2171
2172     if ( m_parentState )
2173     {
2174         m_parentState->DoInsert(this, index, childProperty);
2175     }
2176     else
2177     {
2178         if ( !(m_flags & wxPG_PROP_PARENTAL_FLAGS) )
2179             SetParentalType(wxPG_PROP_MISC_PARENT);
2180
2181         wxASSERT_MSG( (m_flags & wxPG_PROP_PARENTAL_FLAGS) ==
2182                         wxPG_PROP_MISC_PARENT,
2183                       "Do not mix up AddPrivateChild() calls with other "
2184                       "property adders." );
2185
2186         DoPreAddChild( index, childProperty );
2187     }
2188
2189     return childProperty;
2190 }
2191
2192 void wxPGProperty::RemoveChild( wxPGProperty* p )
2193 {
2194     wxArrayPGProperty::iterator it;
2195     wxArrayPGProperty& children = m_children;
2196
2197     for ( it=children.begin(); it != children.end(); it++ )
2198     {
2199         if ( *it == p )
2200         {
2201             children.erase(it);
2202             break;
2203         }
2204     }
2205 }
2206
2207 void wxPGProperty::AdaptListToValue( wxVariant& list, wxVariant* value ) const
2208 {
2209     wxASSERT( GetChildCount() );
2210     wxASSERT( !IsCategory() );
2211
2212     *value = GetValue();
2213
2214     if ( !list.GetCount() )
2215         return;
2216
2217     wxASSERT( GetChildCount() >= (unsigned int)list.GetCount() );
2218
2219     bool allChildrenSpecified;
2220
2221     // Don't fully update aggregate properties unless all children have
2222     // specified value
2223     if ( HasFlag(wxPG_PROP_AGGREGATE) )
2224         allChildrenSpecified = AreAllChildrenSpecified(&list);
2225     else
2226         allChildrenSpecified = true;
2227
2228     wxVariant childValue = list[0];
2229     unsigned int i;
2230     unsigned int n = 0;
2231
2232     //wxLogDebug(wxT(">> %s.AdaptListToValue()"),GetBaseName().c_str());
2233
2234     for ( i=0; i<GetChildCount(); i++ )
2235     {
2236         const wxPGProperty* child = Item(i);
2237
2238         if ( childValue.GetName() == child->GetBaseName() )
2239         {
2240             //wxLogDebug(wxT("  %s(n=%i), %s"),childValue.GetName().c_str(),n,childValue.GetType().c_str());
2241
2242             if ( childValue.GetType() == wxPG_VARIANT_TYPE_LIST )
2243             {
2244                 wxVariant cv2(child->GetValue());
2245                 child->AdaptListToValue(childValue, &cv2);
2246                 childValue = cv2;
2247             }
2248
2249             if ( allChildrenSpecified )
2250             {
2251                 *value = ChildChanged(*value, i, childValue);
2252             }
2253
2254             n++;
2255             if ( n == (unsigned int)list.GetCount() )
2256                 break;
2257             childValue = list[n];
2258         }
2259     }
2260 }
2261
2262
2263 void wxPGProperty::FixIndicesOfChildren( unsigned int starthere )
2264 {
2265     size_t i;
2266     for ( i=starthere;i<GetChildCount();i++)
2267         Item(i)->m_arrIndex = i;
2268 }
2269
2270
2271 // Returns (direct) child property with given name (or NULL if not found)
2272 wxPGProperty* wxPGProperty::GetPropertyByName( const wxString& name ) const
2273 {
2274     size_t i;
2275
2276     for ( i=0; i<GetChildCount(); i++ )
2277     {
2278         wxPGProperty* p = Item(i);
2279         if ( p->m_name == name )
2280             return p;
2281     }
2282
2283     // Does it have point, then?
2284     int pos = name.Find(wxS('.'));
2285     if ( pos <= 0 )
2286         return NULL;
2287
2288     wxPGProperty* p = GetPropertyByName(name. substr(0,pos));
2289
2290     if ( !p || !p->GetChildCount() )
2291         return NULL;
2292
2293     return p->GetPropertyByName(name.substr(pos+1,name.length()-pos-1));
2294 }
2295
2296 wxPGProperty* wxPGProperty::GetPropertyByNameWH( const wxString& name, unsigned int hintIndex ) const
2297 {
2298     unsigned int i = hintIndex;
2299
2300     if ( i >= GetChildCount() )
2301         i = 0;
2302
2303     unsigned int lastIndex = i - 1;
2304
2305     if ( lastIndex >= GetChildCount() )
2306         lastIndex = GetChildCount() - 1;
2307
2308     for (;;)
2309     {
2310         wxPGProperty* p = Item(i);
2311         if ( p->m_name == name )
2312             return p;
2313
2314         if ( i == lastIndex )
2315             break;
2316
2317         i++;
2318         if ( i == GetChildCount() )
2319             i = 0;
2320     };
2321
2322     return NULL;
2323 }
2324
2325 int wxPGProperty::GetChildrenHeight( int lh, int iMax_ ) const
2326 {
2327     // Returns height of children, recursively, and
2328     // by taking expanded/collapsed status into account.
2329     //
2330     // iMax is used when finding property y-positions.
2331     //
2332     unsigned int i = 0;
2333     int h = 0;
2334
2335     if ( iMax_ == -1 )
2336         iMax_ = GetChildCount();
2337
2338     unsigned int iMax = iMax_;
2339
2340     wxASSERT( iMax <= GetChildCount() );
2341
2342     if ( !IsExpanded() && GetParent() )
2343         return 0;
2344
2345     while ( i < iMax )
2346     {
2347         wxPGProperty* pwc = (wxPGProperty*) Item(i);
2348
2349         if ( !pwc->HasFlag(wxPG_PROP_HIDDEN) )
2350         {
2351             if ( !pwc->IsExpanded() ||
2352                  pwc->GetChildCount() == 0 )
2353                 h += lh;
2354             else
2355                 h += pwc->GetChildrenHeight(lh) + lh;
2356         }
2357
2358         i++;
2359     }
2360
2361     return h;
2362 }
2363
2364 wxPGProperty* wxPGProperty::GetItemAtY( unsigned int y,
2365                                         unsigned int lh,
2366                                         unsigned int* nextItemY ) const
2367 {
2368     wxASSERT( nextItemY );
2369
2370     // Linear search at the moment
2371     //
2372     // nextItemY = y of next visible property, final value will be written back.
2373     wxPGProperty* result = NULL;
2374     wxPGProperty* current = NULL;
2375     unsigned int iy = *nextItemY;
2376     unsigned int i = 0;
2377     unsigned int iMax = GetChildCount();
2378
2379     while ( i < iMax )
2380     {
2381         wxPGProperty* pwc = Item(i);
2382
2383         if ( !pwc->HasFlag(wxPG_PROP_HIDDEN) )
2384         {
2385             // Found?
2386             if ( y < iy )
2387             {
2388                 result = current;
2389                 break;
2390             }
2391
2392             iy += lh;
2393
2394             if ( pwc->IsExpanded() &&
2395                  pwc->GetChildCount() > 0 )
2396             {
2397                 result = (wxPGProperty*) pwc->GetItemAtY( y, lh, &iy );
2398                 if ( result )
2399                     break;
2400             }
2401
2402             current = pwc;
2403         }
2404
2405         i++;
2406     }
2407
2408     // Found?
2409     if ( !result && y < iy )
2410         result = current;
2411
2412     *nextItemY = iy;
2413
2414     /*
2415     if ( current )
2416     {
2417         wxLogDebug(wxT("%s::GetItemAtY(%i) -> %s"),this->GetLabel().c_str(),y,current->GetLabel().c_str());
2418     }
2419     else
2420     {
2421         wxLogDebug(wxT("%s::GetItemAtY(%i) -> NULL"),this->GetLabel().c_str(),y);
2422     }
2423     */
2424
2425     return (wxPGProperty*) result;
2426 }
2427
2428 void wxPGProperty::Empty()
2429 {
2430     size_t i;
2431     if ( !HasFlag(wxPG_PROP_CHILDREN_ARE_COPIES) )
2432     {
2433         for ( i=0; i<GetChildCount(); i++ )
2434         {
2435             delete m_children[i];
2436         }
2437     }
2438
2439     m_children.clear();
2440 }
2441
2442 wxPGProperty* wxPGProperty::GetItemAtY( unsigned int y ) const
2443 {
2444     unsigned int nextItem;
2445     return GetItemAtY( y, GetGrid()->GetRowHeight(), &nextItem);
2446 }
2447
2448 void wxPGProperty::DeleteChildren()
2449 {
2450     wxPropertyGridPageState* state = m_parentState;
2451
2452     while ( GetChildCount() )
2453     {
2454         wxPGProperty* child = Item(GetChildCount()-1);
2455         state->DoDelete(child, true);
2456     }
2457 }
2458
2459 wxVariant wxPGProperty::ChildChanged( wxVariant& WXUNUSED(thisValue),
2460                                       int WXUNUSED(childIndex),
2461                                       wxVariant& WXUNUSED(childValue) ) const
2462 {
2463     return wxNullVariant;
2464 }
2465
2466 bool wxPGProperty::AreAllChildrenSpecified( wxVariant* pendingList ) const
2467 {
2468     unsigned int i;
2469
2470     const wxVariantList* pList = NULL;
2471     wxVariantList::const_iterator node;
2472
2473     if ( pendingList )
2474     {
2475         pList = &pendingList->GetList();
2476         node = pList->begin();
2477     }
2478
2479     for ( i=0; i<GetChildCount(); i++ )
2480     {
2481         wxPGProperty* child = Item(i);
2482         const wxVariant* listValue = NULL;
2483         wxVariant value;
2484
2485         if ( pendingList )
2486         {
2487             const wxString& childName = child->GetBaseName();
2488
2489             for ( ; node != pList->end(); ++node )
2490             {
2491                 const wxVariant& item = *((const wxVariant*)*node);
2492                 if ( item.GetName() == childName )
2493                 {
2494                     listValue = &item;
2495                     value = item;
2496                     break;
2497                 }
2498             }
2499         }
2500
2501         if ( !listValue )
2502             value = child->GetValue();
2503
2504         if ( value.IsNull() )
2505             return false;
2506
2507         // Check recursively
2508         if ( child->GetChildCount() )
2509         {
2510             const wxVariant* childList = NULL;
2511
2512             if ( listValue && listValue->GetType() == wxPG_VARIANT_TYPE_LIST )
2513                 childList = listValue;
2514
2515             if ( !child->AreAllChildrenSpecified((wxVariant*)childList) )
2516                 return false;
2517         }
2518     }
2519
2520     return true;
2521 }
2522
2523 wxPGProperty* wxPGProperty::UpdateParentValues()
2524 {
2525     wxPGProperty* parent = m_parent;
2526     if ( parent && parent->HasFlag(wxPG_PROP_COMPOSED_VALUE) &&
2527          !parent->IsCategory() && !parent->IsRoot() )
2528     {
2529         wxString s;
2530         parent->DoGenerateComposedValue(s);
2531         parent->m_value = s;
2532         return parent->UpdateParentValues();
2533     }
2534     return this;
2535 }
2536
2537 bool wxPGProperty::IsTextEditable() const
2538 {
2539     if ( HasFlag(wxPG_PROP_READONLY) )
2540         return false;
2541
2542     if ( HasFlag(wxPG_PROP_NOEDITOR) &&
2543          (GetChildCount() ||
2544           wxString(GetEditorClass()->GetClassInfo()->GetClassName()).EndsWith(wxS("Button")))
2545        )
2546         return false;
2547
2548     return true;
2549 }
2550
2551 // Call after fixed sub-properties added/removed after creation.
2552 // if oldSelInd >= 0 and < new max items, then selection is
2553 // moved to it. Note: oldSelInd -2 indicates that this property
2554 // should be selected.
2555 void wxPGProperty::SubPropsChanged( int oldSelInd )
2556 {
2557     wxPropertyGridPageState* state = GetParentState();
2558     wxPropertyGrid* grid = state->GetGrid();
2559
2560     //
2561     // Re-repare children (recursively)
2562     for ( unsigned int i=0; i<GetChildCount(); i++ )
2563     {
2564         wxPGProperty* child = Item(i);
2565         child->InitAfterAdded(state, grid);
2566     }
2567
2568     wxPGProperty* sel = NULL;
2569     if ( oldSelInd >= (int)m_children.size() )
2570         oldSelInd = (int)m_children.size() - 1;
2571
2572     if ( oldSelInd >= 0 )
2573         sel = m_children[oldSelInd];
2574     else if ( oldSelInd == -2 )
2575         sel = this;
2576
2577     if ( sel )
2578         state->DoSelectProperty(sel);
2579
2580     if ( state == grid->GetState() )
2581     {
2582         grid->GetPanel()->Refresh();
2583     }
2584 }
2585
2586 // -----------------------------------------------------------------------
2587 // wxPGRootProperty
2588 // -----------------------------------------------------------------------
2589
2590 WX_PG_IMPLEMENT_PROPERTY_CLASS_PLAIN(wxPGRootProperty,none,TextCtrl)
2591 IMPLEMENT_DYNAMIC_CLASS(wxPGRootProperty, wxPGProperty)
2592
2593
2594 wxPGRootProperty::wxPGRootProperty( const wxString& name )
2595     : wxPGProperty()
2596 {
2597     m_name = name;
2598     m_label = m_name;
2599     SetParentalType(0);
2600     m_depth = 0;
2601 }
2602
2603
2604 wxPGRootProperty::~wxPGRootProperty()
2605 {
2606 }
2607
2608
2609 // -----------------------------------------------------------------------
2610 // wxPropertyCategory
2611 // -----------------------------------------------------------------------
2612
2613 WX_PG_IMPLEMENT_PROPERTY_CLASS_PLAIN(wxPropertyCategory,none,TextCtrl)
2614 IMPLEMENT_DYNAMIC_CLASS(wxPropertyCategory, wxPGProperty)
2615
2616 void wxPropertyCategory::Init()
2617 {
2618     // don't set colour - prepareadditem method should do this
2619     SetParentalType(wxPG_PROP_CATEGORY);
2620     m_capFgColIndex = 1;
2621     m_textExtent = -1;
2622 }
2623
2624 wxPropertyCategory::wxPropertyCategory()
2625     : wxPGProperty()
2626 {
2627     Init();
2628 }
2629
2630
2631 wxPropertyCategory::wxPropertyCategory( const wxString &label, const wxString& name )
2632     : wxPGProperty(label,name)
2633 {
2634     Init();
2635 }
2636
2637
2638 wxPropertyCategory::~wxPropertyCategory()
2639 {
2640 }
2641
2642
2643 wxString wxPropertyCategory::ValueToString( wxVariant& WXUNUSED(value),
2644                                             int WXUNUSED(argFlags) ) const
2645 {
2646     if ( m_value.GetType() == wxPG_VARIANT_TYPE_STRING )
2647         return m_value.GetString();
2648     return wxEmptyString;
2649 }
2650
2651 wxString wxPropertyCategory::GetValueAsString( int argFlags ) const
2652 {
2653 #if wxPG_COMPATIBILITY_1_4
2654     // This is backwards compatibility test
2655     // That is, to make sure this function is not overridden
2656     // (instead, ValueToString() should be).
2657     if ( argFlags == 0xFFFF )
2658     {
2659         // Do not override! (for backwards compliancy)
2660         return g_invalidStringContent;
2661     }
2662 #endif
2663
2664     // Unspecified value is always empty string
2665     if ( IsValueUnspecified() )
2666         return wxEmptyString;
2667
2668     return wxPGProperty::GetValueAsString(argFlags);
2669 }
2670
2671 int wxPropertyCategory::GetTextExtent( const wxWindow* wnd, const wxFont& font ) const
2672 {
2673     if ( m_textExtent > 0 )
2674         return m_textExtent;
2675     int x = 0, y = 0;
2676     ((wxWindow*)wnd)->GetTextExtent( m_label, &x, &y, 0, 0, &font );
2677     return x;
2678 }
2679
2680 void wxPropertyCategory::CalculateTextExtent( wxWindow* wnd, const wxFont& font )
2681 {
2682     int x = 0, y = 0;
2683     wnd->GetTextExtent( m_label, &x, &y, 0, 0, &font );
2684     m_textExtent = x;
2685 }
2686
2687 // -----------------------------------------------------------------------
2688 // wxPGChoices
2689 // -----------------------------------------------------------------------
2690
2691 wxPGChoiceEntry& wxPGChoices::Add( const wxString& label, int value )
2692 {
2693     AllocExclusive();
2694
2695     wxPGChoiceEntry entry(label, value);
2696     return m_data->Insert( -1, entry );
2697 }
2698
2699 // -----------------------------------------------------------------------
2700
2701 wxPGChoiceEntry& wxPGChoices::Add( const wxString& label, const wxBitmap& bitmap, int value )
2702 {
2703     AllocExclusive();
2704
2705     wxPGChoiceEntry entry(label, value);
2706     entry.SetBitmap(bitmap);
2707     return m_data->Insert( -1, entry );
2708 }
2709
2710 // -----------------------------------------------------------------------
2711
2712 wxPGChoiceEntry& wxPGChoices::Insert( const wxPGChoiceEntry& entry, int index )
2713 {
2714     AllocExclusive();
2715
2716     return m_data->Insert( index, entry );
2717 }
2718
2719 // -----------------------------------------------------------------------
2720
2721 wxPGChoiceEntry& wxPGChoices::Insert( const wxString& label, int index, int value )
2722 {
2723     AllocExclusive();
2724
2725     wxPGChoiceEntry entry(label, value);
2726     return m_data->Insert( index, entry );
2727 }
2728
2729 // -----------------------------------------------------------------------
2730
2731 wxPGChoiceEntry& wxPGChoices::AddAsSorted( const wxString& label, int value )
2732 {
2733     AllocExclusive();
2734
2735     size_t index = 0;
2736
2737     while ( index < GetCount() )
2738     {
2739         int cmpRes = GetLabel(index).Cmp(label);
2740         if ( cmpRes > 0 )
2741             break;
2742         index++;
2743     }
2744
2745     wxPGChoiceEntry entry(label, value);
2746     return m_data->Insert( index, entry );
2747 }
2748
2749 // -----------------------------------------------------------------------
2750
2751 void wxPGChoices::Add( const wxChar* const* labels, const ValArrItem* values )
2752 {
2753     AllocExclusive();
2754
2755     unsigned int itemcount = 0;
2756     const wxChar* const* p = &labels[0];
2757     while ( *p ) { p++; itemcount++; }
2758
2759     unsigned int i;
2760     for ( i = 0; i < itemcount; i++ )
2761     {
2762         int value = i;
2763         if ( values )
2764             value = values[i];
2765         wxPGChoiceEntry entry(labels[i], value);
2766         m_data->Insert( i, entry );
2767     }
2768 }
2769
2770 // -----------------------------------------------------------------------
2771
2772 void wxPGChoices::Add( const wxArrayString& arr, const wxArrayInt& arrint )
2773 {
2774     AllocExclusive();
2775
2776     unsigned int i;
2777     unsigned int itemcount = arr.size();
2778
2779     for ( i = 0; i < itemcount; i++ )
2780     {
2781         int value = i;
2782         if ( &arrint && arrint.size() )
2783             value = arrint[i];
2784         wxPGChoiceEntry entry(arr[i], value);
2785         m_data->Insert( i, entry );
2786     }
2787 }
2788
2789 // -----------------------------------------------------------------------
2790
2791 void wxPGChoices::RemoveAt(size_t nIndex, size_t count)
2792 {
2793     AllocExclusive();
2794
2795     wxASSERT( m_data->GetRefCount() != -1 );
2796     m_data->m_items.erase(m_data->m_items.begin()+nIndex,
2797                           m_data->m_items.begin()+nIndex+count);
2798 }
2799
2800 // -----------------------------------------------------------------------
2801
2802 void wxPGChoices::Clear()
2803 {
2804     if ( m_data != wxPGChoicesEmptyData )
2805     {
2806         AllocExclusive();
2807         m_data->Clear();
2808     }
2809 }
2810
2811 // -----------------------------------------------------------------------
2812
2813 int wxPGChoices::Index( const wxString& str ) const
2814 {
2815     if ( IsOk() )
2816     {
2817         unsigned int i;
2818         for ( i=0; i< m_data->GetCount(); i++ )
2819         {
2820             const wxPGChoiceEntry& entry = m_data->Item(i);
2821             if ( entry.HasText() && entry.GetText() == str )
2822                 return i;
2823         }
2824     }
2825     return -1;
2826 }
2827
2828 // -----------------------------------------------------------------------
2829
2830 int wxPGChoices::Index( int val ) const
2831 {
2832     if ( IsOk() )
2833     {
2834         unsigned int i;
2835         for ( i=0; i< m_data->GetCount(); i++ )
2836         {
2837             const wxPGChoiceEntry& entry = m_data->Item(i);
2838             if ( entry.GetValue() == val )
2839                 return i;
2840         }
2841     }
2842     return -1;
2843 }
2844
2845 // -----------------------------------------------------------------------
2846
2847 wxArrayString wxPGChoices::GetLabels() const
2848 {
2849     wxArrayString arr;
2850     unsigned int i;
2851
2852     if ( this && IsOk() )
2853         for ( i=0; i<GetCount(); i++ )
2854             arr.push_back(GetLabel(i));
2855
2856     return arr;
2857 }
2858
2859 // -----------------------------------------------------------------------
2860
2861 wxArrayInt wxPGChoices::GetValuesForStrings( const wxArrayString& strings ) const
2862 {
2863     wxArrayInt arr;
2864
2865     if ( IsOk() )
2866     {
2867         unsigned int i;
2868         for ( i=0; i< strings.size(); i++ )
2869         {
2870             int index = Index(strings[i]);
2871             if ( index >= 0 )
2872                 arr.Add(GetValue(index));
2873             else
2874                 arr.Add(wxPG_INVALID_VALUE);
2875         }
2876     }
2877
2878     return arr;
2879 }
2880
2881 // -----------------------------------------------------------------------
2882
2883 wxArrayInt wxPGChoices::GetIndicesForStrings( const wxArrayString& strings,
2884                                               wxArrayString* unmatched ) const
2885 {
2886     wxArrayInt arr;
2887
2888     if ( IsOk() )
2889     {
2890         unsigned int i;
2891         for ( i=0; i< strings.size(); i++ )
2892         {
2893             const wxString& str = strings[i];
2894             int index = Index(str);
2895             if ( index >= 0 )
2896                 arr.Add(index);
2897             else if ( unmatched )
2898                 unmatched->Add(str);
2899         }
2900     }
2901
2902     return arr;
2903 }
2904
2905 // -----------------------------------------------------------------------
2906
2907 void wxPGChoices::AllocExclusive()
2908 {
2909     EnsureData();
2910
2911     if ( m_data->GetRefCount() != 1 )
2912     {
2913         wxPGChoicesData* data = new wxPGChoicesData();
2914         data->CopyDataFrom(m_data);
2915         Free();
2916         m_data = data;
2917     }
2918 }
2919
2920 // -----------------------------------------------------------------------
2921
2922 void wxPGChoices::AssignData( wxPGChoicesData* data )
2923 {
2924     Free();
2925
2926     if ( data != wxPGChoicesEmptyData )
2927     {
2928         m_data = data;
2929         data->IncRef();
2930     }
2931 }
2932
2933 // -----------------------------------------------------------------------
2934
2935 void wxPGChoices::Init()
2936 {
2937     m_data = wxPGChoicesEmptyData;
2938 }
2939
2940 // -----------------------------------------------------------------------
2941
2942 void wxPGChoices::Free()
2943 {
2944     if ( m_data != wxPGChoicesEmptyData )
2945     {
2946         m_data->DecRef();
2947         m_data = wxPGChoicesEmptyData;
2948     }
2949 }
2950
2951 // -----------------------------------------------------------------------
2952 // wxPGAttributeStorage
2953 // -----------------------------------------------------------------------
2954
2955 wxPGAttributeStorage::wxPGAttributeStorage()
2956 {
2957 }
2958
2959 wxPGAttributeStorage::~wxPGAttributeStorage()
2960 {
2961     wxPGHashMapS2P::iterator it;
2962
2963     for ( it = m_map.begin(); it != m_map.end(); ++it )
2964     {
2965         wxVariantData* data = (wxVariantData*) it->second;
2966         data->DecRef();
2967     }
2968 }
2969
2970 void wxPGAttributeStorage::Set( const wxString& name, const wxVariant& value )
2971 {
2972     wxVariantData* data = value.GetData();
2973
2974     // Free old, if any
2975     wxPGHashMapS2P::iterator it = m_map.find(name);
2976     if ( it != m_map.end() )
2977     {
2978         ((wxVariantData*)it->second)->DecRef();
2979
2980         if ( !data )
2981         {
2982             // If Null variant, just remove from set
2983             m_map.erase(it);
2984             return;
2985         }
2986     }
2987
2988     if ( data )
2989     {
2990         data->IncRef();
2991
2992         m_map[name] = data;
2993     }
2994 }
2995
2996 #endif  // wxUSE_PROPGRID