src/common/sizer.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        sizer.cpp
   3 // Purpose:     provide new wxSizer class for layout
   4 // Author:      Robert Roebling and Robin Dunn, contributions by
   5 //              Dirk Holtwick, Ron Lee
   6 // Modified by: Ron Lee
   7 // Created:
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) Robin Dunn, Robert Roebling
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  14 #pragma implementation "sizer.h"
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21     #pragma hdrstop
  22 #endif
  23
  24 #include "wx/sizer.h"
  25 #include "wx/utils.h"
  26 #include "wx/statbox.h"
  27 #include "wx/listimpl.cpp"
  28 #if WXWIN_COMPATIBILITY_2_4
  29     #include "wx/notebook.h"
  30 #endif
  31
  32 #ifdef __WXMAC__
  33 #   include "wx/mac/uma.h"
  34 #endif
  35
  36 //---------------------------------------------------------------------------
  37
  38 IMPLEMENT_CLASS(wxSizerItem, wxObject)
  39 IMPLEMENT_CLASS(wxSizer, wxObject)
  40 IMPLEMENT_CLASS(wxGridSizer, wxSizer)
  41 IMPLEMENT_CLASS(wxFlexGridSizer, wxGridSizer)
  42 IMPLEMENT_CLASS(wxBoxSizer, wxSizer)
  43 #if wxUSE_STATBOX
  44 IMPLEMENT_CLASS(wxStaticBoxSizer, wxBoxSizer)
  45 #endif
  46
  47 WX_DEFINE_EXPORTED_LIST( wxSizerItemList );
  48
  49 /*
  50     TODO PROPERTIES
  51       sizeritem
  52         object
  53         object_ref
  54           minsize
  55           option
  56           flag
  57           border
  58      spacer
  59         option
  60         flag
  61         borfder
  62     boxsizer
  63        orient
  64     staticboxsizer
  65        orient
  66        label
  67     gridsizer
  68        rows
  69        cols
  70        vgap
  71        hgap
  72     flexgridsizer
  73        rows
  74        cols
  75        vgap
  76        hgap
  77        growablerows
  78        growablecols
  79     minsize
  80 */
  81
  82 //---------------------------------------------------------------------------
  83 // wxSizerItem
  84 //---------------------------------------------------------------------------
  85
  86 void wxSizerItem::Init()
  87 {
  88     m_window = NULL;
  89     m_sizer = NULL;
  90     m_show = true;
  91     m_userData = NULL;
  92 }
  93
  94 void wxSizerItem::Init(const wxSizerFlags& flags)
  95 {
  96     Init();
  97
  98     m_proportion = flags.GetProportion();
  99     m_flag = flags.GetFlags();
 100     m_border = flags.GetBorderInPixels();
 101 }
 102
 103 wxSizerItem::wxSizerItem( int width, int height, int proportion, int flag, int border, wxObject* userData )
 104     : m_window( NULL )
 105     , m_sizer( NULL )
 106     , m_size( wxSize( width, height ) ) // size is set directly
 107     , m_minSize( m_size )               // minimal size is the initial size
 108     , m_proportion( proportion )
 109     , m_border( border )
 110     , m_flag( flag )
 111     , m_show( true )
 112     , m_userData( userData )
 113 {
 114     SetRatio( m_size );
 115 }
 116
 117 wxSizerItem::wxSizerItem( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
 118     : m_window( window )
 119     , m_sizer( NULL )
 120     , m_proportion( proportion )
 121     , m_border( border )
 122     , m_flag( flag )
 123     , m_show( true )
 124     , m_userData( userData )
 125 {
 126     if (flag & wxFIXED_MINSIZE)
 127         window->SetMinSize(window->GetSize());
 128     m_minSize = window->GetSize();
 129
 130     // aspect ratio calculated from initial size
 131     SetRatio( m_minSize );
 132
 133     // m_size is calculated later
 134 }
 135
 136 wxSizerItem::wxSizerItem( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
 137     : m_window( NULL )
 138     , m_sizer( sizer )
 139     , m_proportion( proportion )
 140     , m_border( border )
 141     , m_flag( flag )
 142     , m_show( true )
 143     , m_ratio( 0.0 )
 144     , m_userData( userData )
 145 {
 146     // m_minSize is calculated later
 147     // m_size is calculated later
 148 }
 149
 150 wxSizerItem::wxSizerItem()
 151 {
 152     Init();
 153
 154     m_proportion = 0;
 155     m_border = 0;
 156     m_flag = 0;
 157 }
 158
 159 wxSizerItem::~wxSizerItem()
 160 {
 161     delete m_userData;
 162
 163     if ( m_window )
 164     {
 165         m_window->SetContainingSizer(NULL);
 166     }
 167     else // we must be a sizer
 168     {
 169         delete m_sizer;
 170     }
 171 }
 172
 173
 174 wxSize wxSizerItem::GetSize() const
 175 {
 176     wxSize ret;
 177     if (IsSizer())
 178         ret = m_sizer->GetSize();
 179     else
 180     if (IsWindow())
 181         ret = m_window->GetSize();
 182     else ret = m_size;
 183
 184     if (m_flag & wxWEST)
 185         ret.x += m_border;
 186     if (m_flag & wxEAST)
 187         ret.x += m_border;
 188     if (m_flag & wxNORTH)
 189         ret.y += m_border;
 190     if (m_flag & wxSOUTH)
 191         ret.y += m_border;
 192
 193     return ret;
 194 }
 195
 196 wxSize wxSizerItem::CalcMin()
 197 {
 198     if (IsSizer())
 199     {
 200         m_minSize = m_sizer->GetMinSize();
 201
 202         // if we have to preserve aspect ratio _AND_ this is
 203         // the first-time calculation, consider ret to be initial size
 204         if ((m_flag & wxSHAPED) && !m_ratio)
 205             SetRatio(m_minSize);
 206     }
 207     else if ( IsWindow() )
 208     {
 209         // Since the size of the window may change during runtime, we
 210         // should use the current minimal/best size.
 211         m_minSize = m_window->GetBestFittingSize();
 212     }
 213
 214     return GetMinSizeWithBorder();
 215 }
 216
 217 wxSize wxSizerItem::GetMinSizeWithBorder() const
 218 {
 219     wxSize ret = m_minSize;
 220
 221     if (m_flag & wxWEST)
 222         ret.x += m_border;
 223     if (m_flag & wxEAST)
 224         ret.x += m_border;
 225     if (m_flag & wxNORTH)
 226         ret.y += m_border;
 227     if (m_flag & wxSOUTH)
 228         ret.y += m_border;
 229
 230     return ret;
 231 }
 232
 233
 234 void wxSizerItem::SetDimension( wxPoint pos, wxSize size )
 235 {
 236     if (m_flag & wxSHAPED)
 237     {
 238         // adjust aspect ratio
 239         int rwidth = (int) (size.y * m_ratio);
 240         if (rwidth > size.x)
 241         {
 242             // fit horizontally
 243             int rheight = (int) (size.x / m_ratio);
 244             // add vertical space
 245             if (m_flag & wxALIGN_CENTER_VERTICAL)
 246                 pos.y += (size.y - rheight) / 2;
 247             else if (m_flag & wxALIGN_BOTTOM)
 248                 pos.y += (size.y - rheight);
 249             // use reduced dimensions
 250             size.y =rheight;
 251         }
 252         else if (rwidth < size.x)
 253         {
 254             // add horizontal space
 255             if (m_flag & wxALIGN_CENTER_HORIZONTAL)
 256                 pos.x += (size.x - rwidth) / 2;
 257             else if (m_flag & wxALIGN_RIGHT)
 258                 pos.x += (size.x - rwidth);
 259             size.x = rwidth;
 260         }
 261     }
 262
 263     // This is what GetPosition() returns. Since we calculate
 264     // borders afterwards, GetPosition() will be the left/top
 265     // corner of the surrounding border.
 266     m_pos = pos;
 267
 268     if (m_flag & wxWEST)
 269     {
 270         pos.x += m_border;
 271         size.x -= m_border;
 272     }
 273     if (m_flag & wxEAST)
 274     {
 275         size.x -= m_border;
 276     }
 277     if (m_flag & wxNORTH)
 278     {
 279         pos.y += m_border;
 280         size.y -= m_border;
 281     }
 282     if (m_flag & wxSOUTH)
 283     {
 284         size.y -= m_border;
 285     }
 286
 287     if (IsSizer())
 288         m_sizer->SetDimension( pos.x, pos.y, size.x, size.y );
 289
 290     if (IsWindow())
 291         m_window->SetSize( pos.x, pos.y, size.x, size.y, wxSIZE_ALLOW_MINUS_ONE );
 292
 293     m_size = size;
 294 }
 295
 296 void wxSizerItem::DeleteWindows()
 297 {
 298     if (m_window)
 299     {
 300          m_window->Destroy();
 301          m_window = NULL;
 302     }
 303
 304     if (m_sizer)
 305         m_sizer->DeleteWindows();
 306 }
 307
 308 bool wxSizerItem::IsWindow() const
 309 {
 310     return (m_window != NULL);
 311 }
 312
 313 bool wxSizerItem::IsSizer() const
 314 {
 315     return (m_sizer != NULL);
 316 }
 317
 318 bool wxSizerItem::IsSpacer() const
 319 {
 320     return (m_window == NULL) && (m_sizer == NULL);
 321 }
 322
 323 void wxSizerItem::Show( bool show )
 324 {
 325     m_show = show;
 326
 327     if( IsWindow() )
 328         m_window->Show( show );
 329     else if( IsSizer() )
 330         m_sizer->ShowItems( show );
 331
 332     // ... nothing else to do to hide/show spacers
 333 }
 334
 335 void wxSizerItem::SetOption( int option )
 336 {
 337     SetProportion( option );
 338 }
 339
 340 int wxSizerItem::GetOption() const
 341 {
 342     return GetProportion();
 343 }
 344
 345
 346 //---------------------------------------------------------------------------
 347 // wxSizer
 348 //---------------------------------------------------------------------------
 349
 350 wxSizer::wxSizer()
 351     : m_minSize( wxSize( 0, 0 ) )
 352 {
 353 }
 354
 355 wxSizer::~wxSizer()
 356 {
 357     WX_CLEAR_LIST(wxSizerItemList, m_children);
 358 }
 359
 360 void wxSizer::Insert( size_t index, wxSizerItem *item )
 361 {
 362     m_children.Insert( index, item );
 363
 364     if( item->GetWindow() )
 365         item->GetWindow()->SetContainingSizer( this );
 366 }
 367
 368 bool wxSizer::Remove( wxWindow *window )
 369 {
 370     return Detach( window );
 371 }
 372
 373 bool wxSizer::Remove( wxSizer *sizer )
 374 {
 375     wxASSERT_MSG( sizer, _T("Removing NULL sizer") );
 376
 377     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
 378     while (node)
 379     {
 380         wxSizerItem     *item = node->GetData();
 381
 382         if (item->GetSizer() == sizer)
 383         {
 384             delete item;
 385             m_children.Erase( node );
 386             return true;
 387         }
 388
 389         node = node->GetNext();
 390     }
 391
 392     return false;
 393 }
 394
 395 bool wxSizer::Remove( int index )
 396 {
 397     wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(),
 398                  false,
 399                  _T("Remove index is out of range") );
 400
 401     wxSizerItemList::compatibility_iterator node = m_children.Item( index );
 402
 403     wxCHECK_MSG( node, false, _T("Failed to find child node") );
 404
 405     wxSizerItem *item = node->GetData();
 406
 407     if( item->IsWindow() )
 408         item->GetWindow()->SetContainingSizer( NULL );
 409
 410     delete item;
 411     m_children.Erase( node );
 412     return true;
 413 }
 414
 415 bool wxSizer::Detach( wxSizer *sizer )
 416 {
 417     wxASSERT_MSG( sizer, _T("Detaching NULL sizer") );
 418
 419     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
 420     while (node)
 421     {
 422         wxSizerItem     *item = node->GetData();
 423
 424         if (item->GetSizer() == sizer)
 425         {
 426             item->DetachSizer();
 427             delete item;
 428             m_children.Erase( node );
 429             return true;
 430         }
 431         node = node->GetNext();
 432     }
 433
 434     return false;
 435 }
 436
 437 bool wxSizer::Detach( wxWindow *window )
 438 {
 439     wxASSERT_MSG( window, _T("Detaching NULL window") );
 440
 441     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
 442     while (node)
 443     {
 444         wxSizerItem     *item = node->GetData();
 445
 446         if (item->GetWindow() == window)
 447         {
 448             item->GetWindow()->SetContainingSizer( NULL );
 449             delete item;
 450             m_children.Erase( node );
 451             return true;
 452         }
 453         node = node->GetNext();
 454     }
 455
 456     return false;
 457 }
 458
 459 bool wxSizer::Detach( int index )
 460 {
 461     wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(),
 462                  false,
 463                  _T("Detach index is out of range") );
 464
 465     wxSizerItemList::compatibility_iterator node = m_children.Item( index );
 466
 467     wxCHECK_MSG( node, false, _T("Failed to find child node") );
 468
 469     wxSizerItem *item = node->GetData();
 470
 471     if( item->IsSizer() )
 472         item->DetachSizer();
 473     else if( item->IsWindow() )
 474         item->GetWindow()->SetContainingSizer( NULL );
 475
 476     delete item;
 477     m_children.Erase( node );
 478     return true;
 479 }
 480
 481 void wxSizer::Clear( bool delete_windows )
 482 {
 483     // First clear the ContainingSizer pointers
 484     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
 485     while (node)
 486     {
 487         wxSizerItem     *item = node->GetData();
 488
 489         if (item->IsWindow())
 490             item->GetWindow()->SetContainingSizer( NULL );
 491         node = node->GetNext();
 492     }
 493
 494     // Destroy the windows if needed
 495     if (delete_windows)
 496         DeleteWindows();
 497
 498     // Now empty the list
 499     WX_CLEAR_LIST(wxSizerItemList, m_children);
 500 }
 501
 502 void wxSizer::DeleteWindows()
 503 {
 504     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
 505     while (node)
 506     {
 507         wxSizerItem     *item = node->GetData();
 508
 509         item->DeleteWindows();
 510         node = node->GetNext();
 511     }
 512 }
 513
 514 wxSize wxSizer::Fit( wxWindow *window )
 515 {
 516     wxSize size(window->IsTopLevel() ? FitSize(window)
 517                                      : GetMinWindowSize(window));
 518
 519     window->SetSize( size );
 520
 521     return size;
 522 }
 523
 524 void wxSizer::FitInside( wxWindow *window )
 525 {
 526     wxSize size;
 527     if (window->IsTopLevel())
 528         size = VirtualFitSize( window );
 529     else
 530         size = GetMinClientSize( window );
 531
 532     window->SetVirtualSize( size );
 533 }
 534
 535 void wxSizer::Layout()
 536 {
 537     // (re)calculates minimums needed for each item and other preparations
 538     // for layout
 539     CalcMin();
 540
 541     // Applies the layout and repositions/resizes the items
 542     RecalcSizes();
 543 }
 544
 545 void wxSizer::SetSizeHints( wxWindow *window )
 546 {
 547     // Preserve the window's max size hints, but set the
 548     // lower bound according to the sizer calculations.
 549
 550     wxSize size = Fit( window );
 551
 552     window->SetSizeHints( size.x,
 553                           size.y,
 554                           window->GetMaxWidth(),
 555                           window->GetMaxHeight() );
 556 }
 557
 558 void wxSizer::SetVirtualSizeHints( wxWindow *window )
 559 {
 560     // Preserve the window's max size hints, but set the
 561     // lower bound according to the sizer calculations.
 562
 563     FitInside( window );
 564     wxSize size( window->GetVirtualSize() );
 565     window->SetVirtualSizeHints( size.x,
 566                                  size.y,
 567                                  window->GetMaxWidth(),
 568                                  window->GetMaxHeight() );
 569 }
 570
 571 wxSize wxSizer::GetMaxWindowSize( wxWindow *window ) const
 572 {
 573     return window->GetMaxSize();
 574 }
 575
 576 wxSize wxSizer::GetMinWindowSize( wxWindow *window )
 577 {
 578     wxSize      minSize( GetMinSize() );
 579     wxSize      size( window->GetSize() );
 580     wxSize      client_size( window->GetClientSize() );
 581
 582     return wxSize( minSize.x+size.x-client_size.x,
 583                    minSize.y+size.y-client_size.y );
 584 }
 585
 586 // TODO on mac we need a function that determines how much free space this
 587 // min size contains, in order to make sure that we have 20 pixels of free
 588 // space around the controls
 589
 590 // Return a window size that will fit within the screens dimensions
 591 wxSize wxSizer::FitSize( wxWindow *window )
 592 {
 593     wxSize size     = GetMinWindowSize( window );
 594     wxSize sizeMax  = GetMaxWindowSize( window );
 595
 596     // Limit the size if sizeMax != wxDefaultSize
 597
 598     if ( size.x > sizeMax.x && sizeMax.x != wxDefaultCoord )
 599         size.x = sizeMax.x;
 600     if ( size.y > sizeMax.y && sizeMax.y != wxDefaultCoord )
 601         size.y = sizeMax.y;
 602
 603     return size;
 604 }
 605
 606 wxSize wxSizer::GetMaxClientSize( wxWindow *window ) const
 607 {
 608     wxSize maxSize( window->GetMaxSize() );
 609
 610     if( maxSize != wxDefaultSize )
 611     {
 612         wxSize size( window->GetSize() );
 613         wxSize client_size( window->GetClientSize() );
 614
 615         return wxSize( maxSize.x + client_size.x - size.x,
 616                        maxSize.y + client_size.y - size.y );
 617     }
 618     else
 619         return wxDefaultSize;
 620 }
 621
 622 wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) )
 623 {
 624     return GetMinSize();  // Already returns client size.
 625 }
 626
 627 wxSize wxSizer::VirtualFitSize( wxWindow *window )
 628 {
 629     wxSize size     = GetMinClientSize( window );
 630     wxSize sizeMax  = GetMaxClientSize( window );
 631
 632     // Limit the size if sizeMax != wxDefaultSize
 633
 634     if ( size.x > sizeMax.x && sizeMax.x != wxDefaultCoord )
 635         size.x = sizeMax.x;
 636     if ( size.y > sizeMax.y && sizeMax.y != wxDefaultCoord )
 637         size.y = sizeMax.y;
 638
 639     return size;
 640 }
 641
 642 void wxSizer::SetDimension( int x, int y, int width, int height )
 643 {
 644     m_position.x = x;
 645     m_position.y = y;
 646     m_size.x = width;
 647     m_size.y = height;
 648     Layout();
 649 }
 650
 651 wxSize wxSizer::GetMinSize()
 652 {
 653     wxSize ret( CalcMin() );
 654     if (ret.x < m_minSize.x) ret.x = m_minSize.x;
 655     if (ret.y < m_minSize.y) ret.y = m_minSize.y;
 656     return ret;
 657 }
 658
 659 void wxSizer::DoSetMinSize( int width, int height )
 660 {
 661     m_minSize.x = width;
 662     m_minSize.y = height;
 663 }
 664
 665 bool wxSizer::DoSetItemMinSize( wxWindow *window, int width, int height )
 666 {
 667     wxASSERT_MSG( window, _T("SetMinSize for NULL window") );
 668
 669     // Is it our immediate child?
 670
 671     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
 672     while (node)
 673     {
 674         wxSizerItem     *item = node->GetData();
 675
 676         if (item->GetWindow() == window)
 677         {
 678             item->SetMinSize( width, height );
 679             return true;
 680         }
 681         node = node->GetNext();
 682     }
 683
 684     // No?  Search any subsizers we own then
 685
 686     node = m_children.GetFirst();
 687     while (node)
 688     {
 689         wxSizerItem     *item = node->GetData();
 690
 691         if ( item->GetSizer() &&
 692              item->GetSizer()->DoSetItemMinSize( window, width, height ) )
 693         {
 694             // A child sizer found the requested windw, exit.
 695             return true;
 696         }
 697         node = node->GetNext();
 698     }
 699
 700     return false;
 701 }
 702
 703 bool wxSizer::DoSetItemMinSize( wxSizer *sizer, int width, int height )
 704 {
 705     wxASSERT_MSG( sizer, _T("SetMinSize for NULL sizer") );
 706
 707     // Is it our immediate child?
 708
 709     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
 710     while (node)
 711     {
 712         wxSizerItem     *item = node->GetData();
 713
 714         if (item->GetSizer() == sizer)
 715         {
 716             item->GetSizer()->DoSetMinSize( width, height );
 717             return true;
 718         }
 719         node = node->GetNext();
 720     }
 721
 722     // No?  Search any subsizers we own then
 723
 724     node = m_children.GetFirst();
 725     while (node)
 726     {
 727         wxSizerItem     *item = node->GetData();
 728
 729         if ( item->GetSizer() &&
 730              item->GetSizer()->DoSetItemMinSize( sizer, width, height ) )
 731         {
 732             // A child found the requested sizer, exit.
 733             return true;
 734         }
 735         node = node->GetNext();
 736     }
 737
 738     return false;
 739 }
 740
 741 bool wxSizer::DoSetItemMinSize( size_t index, int width, int height )
 742 {
 743     wxSizerItemList::compatibility_iterator node = m_children.Item( index );
 744
 745     wxCHECK_MSG( node, false, _T("Failed to find child node") );
 746
 747     wxSizerItem     *item = node->GetData();
 748
 749     if (item->GetSizer())
 750     {
 751         // Sizers contains the minimal size in them, if not calculated ...
 752         item->GetSizer()->DoSetMinSize( width, height );
 753     }
 754     else
 755     {
 756         // ... but the minimal size of spacers and windows is stored via the item
 757         item->SetMinSize( width, height );
 758     }
 759
 760     return true;
 761 }
 762
 763 bool wxSizer::Show( wxWindow *window, bool show, bool recursive )
 764 {
 765     wxASSERT_MSG( window, _T("Show for NULL window") );
 766
 767     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
 768     while (node)
 769     {
 770         wxSizerItem     *item = node->GetData();
 771
 772         if (item->GetWindow() == window)
 773         {
 774             item->Show( show );
 775
 776             return true;
 777         }
 778         else if (recursive && item->IsSizer())
 779         {
 780             if (item->GetSizer()->Show(window, show, recursive))
 781                 return true;
 782         }
 783
 784         node = node->GetNext();
 785     }
 786
 787     return false;
 788 }
 789
 790 bool wxSizer::Show( wxSizer *sizer, bool show, bool recursive )
 791 {
 792     wxASSERT_MSG( sizer, _T("Show for NULL sizer") );
 793
 794     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
 795     while (node)
 796     {
 797         wxSizerItem     *item = node->GetData();
 798
 799         if (item->GetSizer() == sizer)
 800         {
 801             item->Show( show );
 802
 803             return true;
 804         }
 805         else if (recursive && item->IsSizer())
 806         {
 807             if (item->GetSizer()->Show(sizer, show, recursive))
 808                 return true;
 809         }
 810
 811         node = node->GetNext();
 812     }
 813
 814     return false;
 815 }
 816
 817 bool wxSizer::Show( size_t index, bool show)
 818 {
 819     wxCHECK_MSG( index < m_children.GetCount(),
 820                  false,
 821                  _T("Show index is out of range") );
 822
 823     m_children.Item( index )->GetData()->Show( show );
 824
 825     return true;
 826 }
 827
 828 void wxSizer::ShowItems( bool show )
 829 {
 830     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
 831     while (node)
 832     {
 833         node->GetData()->Show( show );
 834         node = node->GetNext();
 835     }
 836 }
 837
 838 bool wxSizer::IsShown( wxWindow *window ) const
 839 {
 840     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
 841     while (node)
 842     {
 843         wxSizerItem     *item = node->GetData();
 844
 845         if (item->GetWindow() == window)
 846         {
 847             return item->IsShown();
 848         }
 849         node = node->GetNext();
 850     }
 851
 852     wxFAIL_MSG( _T("IsShown failed to find sizer item") );
 853
 854     return false;
 855 }
 856
 857 bool wxSizer::IsShown( wxSizer *sizer ) const
 858 {
 859     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
 860     while (node)
 861     {
 862         wxSizerItem     *item = node->GetData();
 863
 864         if (item->GetSizer() == sizer)
 865         {
 866             return item->IsShown();
 867         }
 868         node = node->GetNext();
 869     }
 870
 871     wxFAIL_MSG( _T("IsShown failed to find sizer item") );
 872
 873     return false;
 874 }
 875
 876 bool wxSizer::IsShown( size_t index ) const
 877 {
 878     wxCHECK_MSG( index < m_children.GetCount(),
 879                  false,
 880                  _T("IsShown index is out of range") );
 881
 882     return m_children.Item( index )->GetData()->IsShown();
 883 }
 884
 885
 886 //---------------------------------------------------------------------------
 887 // wxGridSizer
 888 //---------------------------------------------------------------------------
 889
 890 wxGridSizer::wxGridSizer( int rows, int cols, int vgap, int hgap )
 891     : m_rows( rows )
 892     , m_cols( cols )
 893     , m_vgap( vgap )
 894     , m_hgap( hgap )
 895 {
 896     if (m_rows == 0 && m_cols == 0)
 897         m_rows = 1;
 898 }
 899
 900 wxGridSizer::wxGridSizer( int cols, int vgap, int hgap )
 901     : m_rows( 0 )
 902     , m_cols( cols )
 903     , m_vgap( vgap )
 904     , m_hgap( hgap )
 905 {
 906     if (m_rows == 0 && m_cols == 0)
 907         m_rows = 1;
 908 }
 909
 910 int wxGridSizer::CalcRowsCols(int& nrows, int& ncols) const
 911 {
 912     int nitems = m_children.GetCount();
 913     if ( nitems)
 914     {
 915         if ( m_cols )
 916         {
 917             ncols = m_cols;
 918             nrows = (nitems + m_cols - 1) / m_cols;
 919         }
 920         else if ( m_rows )
 921         {
 922             ncols = (nitems + m_rows - 1) / m_rows;
 923             nrows = m_rows;
 924         }
 925         else // 0 columns, 0 rows?
 926         {
 927             wxFAIL_MSG( _T("grid sizer must have either rows or columns fixed") );
 928
 929             nrows = ncols = 0;
 930         }
 931     }
 932
 933     return nitems;
 934 }
 935
 936 void wxGridSizer::RecalcSizes()
 937 {
 938     int nitems, nrows, ncols;
 939     if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 )
 940         return;
 941
 942     wxSize sz( GetSize() );
 943     wxPoint pt( GetPosition() );
 944
 945     int w = (sz.x - (ncols - 1) * m_hgap) / ncols;
 946     int h = (sz.y - (nrows - 1) * m_vgap) / nrows;
 947
 948     int x = pt.x;
 949     for (int c = 0; c < ncols; c++)
 950     {
 951         int y = pt.y;
 952         for (int r = 0; r < nrows; r++)
 953         {
 954             int i = r * ncols + c;
 955             if (i < nitems)
 956             {
 957                 wxSizerItemList::compatibility_iterator node = m_children.Item( i );
 958
 959                 wxASSERT_MSG( node, _T("Failed to find SizerItemList node") );
 960
 961                 SetItemBounds( node->GetData(), x, y, w, h);
 962             }
 963             y = y + h + m_vgap;
 964         }
 965         x = x + w + m_hgap;
 966     }
 967 }
 968
 969 wxSize wxGridSizer::CalcMin()
 970 {
 971     int nrows, ncols;
 972     if ( CalcRowsCols(nrows, ncols) == 0 )
 973         return wxSize(10, 10);
 974
 975     // Find the max width and height for any component
 976     int w = 0;
 977     int h = 0;
 978
 979     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
 980     while (node)
 981     {
 982         wxSizerItem     *item = node->GetData();
 983         wxSize           sz( item->CalcMin() );
 984
 985         w = wxMax( w, sz.x );
 986         h = wxMax( h, sz.y );
 987
 988         node = node->GetNext();
 989     }
 990
 991     return wxSize( ncols * w + (ncols-1) * m_hgap,
 992                    nrows * h + (nrows-1) * m_vgap );
 993 }
 994
 995 void wxGridSizer::SetItemBounds( wxSizerItem *item, int x, int y, int w, int h )
 996 {
 997     wxPoint pt( x,y );
 998     wxSize sz( item->GetMinSizeWithBorder() );
 999     int flag = item->GetFlag();
1000
1001     if ((flag & wxEXPAND) || (flag & wxSHAPED))
1002     {
1003        sz = wxSize(w, h);
1004     }
1005     else
1006     {
1007         if (flag & wxALIGN_CENTER_HORIZONTAL)
1008         {
1009             pt.x = x + (w - sz.x) / 2;
1010         }
1011         else if (flag & wxALIGN_RIGHT)
1012         {
1013             pt.x = x + (w - sz.x);
1014         }
1015
1016         if (flag & wxALIGN_CENTER_VERTICAL)
1017         {
1018             pt.y = y + (h - sz.y) / 2;
1019         }
1020         else if (flag & wxALIGN_BOTTOM)
1021         {
1022             pt.y = y + (h - sz.y);
1023         }
1024     }
1025
1026     item->SetDimension(pt, sz);
1027 }
1028
1029 //---------------------------------------------------------------------------
1030 // wxFlexGridSizer
1031 //---------------------------------------------------------------------------
1032
1033 wxFlexGridSizer::wxFlexGridSizer( int rows, int cols, int vgap, int hgap )
1034                : wxGridSizer( rows, cols, vgap, hgap ),
1035                  m_flexDirection(wxBOTH),
1036                  m_growMode(wxFLEX_GROWMODE_SPECIFIED)
1037 {
1038 }
1039
1040 wxFlexGridSizer::wxFlexGridSizer( int cols, int vgap, int hgap )
1041                : wxGridSizer( cols, vgap, hgap ),
1042                  m_flexDirection(wxBOTH),
1043                  m_growMode(wxFLEX_GROWMODE_SPECIFIED)
1044 {
1045 }
1046
1047 wxFlexGridSizer::~wxFlexGridSizer()
1048 {
1049 }
1050
1051 void wxFlexGridSizer::RecalcSizes()
1052 {
1053     int nitems, nrows, ncols;
1054     if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 )
1055         return;
1056
1057     wxPoint pt( GetPosition() );
1058     wxSize sz( GetSize() );
1059
1060     AdjustForGrowables(sz, m_calculatedMinSize, nrows, ncols);
1061
1062     sz = wxSize( pt.x + sz.x, pt.y + sz.y );
1063
1064     int x = pt.x;
1065     for (int c = 0; c < ncols; c++)
1066     {
1067         int y = pt.y;
1068         for (int r = 0; r < nrows; r++)
1069         {
1070             int i = r * ncols + c;
1071             if (i < nitems)
1072             {
1073                 wxSizerItemList::compatibility_iterator node = m_children.Item( i );
1074
1075                 wxASSERT_MSG( node, _T("Failed to find node") );
1076
1077                 int w = wxMax( 0, wxMin( m_colWidths[c], sz.x - x ) );
1078                 int h = wxMax( 0, wxMin( m_rowHeights[r], sz.y - y ) );
1079
1080                 SetItemBounds( node->GetData(), x, y, w, h);
1081             }
1082             y = y + m_rowHeights[r] + m_vgap;
1083         }
1084         x = x + m_colWidths[c] + m_hgap;
1085     }
1086 }
1087
1088 wxSize wxFlexGridSizer::CalcMin()
1089 {
1090     int     nrows,
1091             ncols;
1092     size_t  i, s;
1093
1094     // Number of rows/columns can change as items are added or removed.
1095     if ( !CalcRowsCols(nrows, ncols) )
1096         return wxSize(10, 10);
1097
1098     m_rowHeights.SetCount(nrows);
1099     m_colWidths.SetCount(ncols);
1100
1101     // We have to recalcuate the sizes in case the item minimum size has
1102     // changed since the previous layout, or the item has been hidden using
1103     // wxSizer::Show(). If all the items in a row/column are hidden, the final
1104     // dimension of the row/column will be -1, indicating that the column
1105     // itself is hidden.
1106     for( s = m_rowHeights.GetCount(), i = 0; i < s; ++i )
1107         m_rowHeights[ i ] = -1;
1108     for( s = m_colWidths.GetCount(), i = 0; i < s; ++i )
1109         m_colWidths[ i ] = -1;
1110
1111     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
1112
1113     i = 0;
1114     while (node)
1115     {
1116         wxSizerItem    *item = node->GetData();
1117         if ( item->IsShown() )
1118         {
1119             wxSize sz( item->CalcMin() );
1120             int row = i / ncols;
1121             int col = i % ncols;
1122
1123             m_rowHeights[ row ] = wxMax( wxMax( 0, sz.y ), m_rowHeights[ row ] );
1124             m_colWidths[ col ] = wxMax( wxMax( 0, sz.x ), m_colWidths[ col ] );
1125         }
1126
1127         node = node->GetNext();
1128         i++;
1129     }
1130
1131     AdjustForFlexDirection();
1132
1133     // Sum total minimum size, including gaps between rows/columns.
1134     // -1 is used as a magic number meaning empty column.
1135     int width = 0;
1136     for (int col = 0; col < ncols; col++)
1137         if ( m_colWidths[ col ] != -1 )
1138             width += m_colWidths[ col ] + ( col == ncols-1 ? 0 : m_hgap );
1139
1140     int height = 0;
1141     for (int row = 0; row < nrows; row++)
1142         if ( m_rowHeights[ row ] != -1 )
1143             height += m_rowHeights[ row ] + ( row == nrows-1 ? 0 : m_vgap );
1144
1145     m_calculatedMinSize = wxSize( width, height );
1146     return m_calculatedMinSize;
1147 }
1148
1149 void wxFlexGridSizer::AdjustForFlexDirection()
1150 {
1151     // the logic in CalcMin works when we resize flexibly in both directions
1152     // but maybe this is not the case
1153     if ( m_flexDirection != wxBOTH )
1154     {
1155         // select the array corresponding to the direction in which we do *not*
1156         // resize flexibly
1157         wxArrayInt& array = m_flexDirection == wxVERTICAL ? m_colWidths
1158                                                           : m_rowHeights;
1159
1160         const int count = array.GetCount();
1161
1162         // find the largest value in this array
1163         int n, largest = 0;
1164         for ( n = 0; n < count; ++n )
1165         {
1166             if ( array[n] > largest )
1167                 largest = array[n];
1168         }
1169
1170         // and now fill it with the largest value
1171         for ( n = 0; n < count; ++n )
1172         {
1173             array[n] = largest;
1174         }
1175     }
1176 }
1177
1178
1179 void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz, const wxSize& minsz,
1180                                          int nrows, int ncols)
1181 {
1182     // what to do with the rows? by default, resize them proportionally
1183     if ( sz.y > minsz.y && ( (m_flexDirection & wxVERTICAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) )
1184     {
1185         int sum_proportions = 0;
1186         int growable_space = 0;
1187         int num = 0;
1188         size_t idx;
1189         for (idx = 0; idx < m_growableRows.GetCount(); idx++)
1190         {
1191             // Since the number of rows/columns can change as items are
1192             // inserted/deleted, we need to verify at runtime that the
1193             // requested growable rows/columns are still valid.
1194             if (m_growableRows[idx] >= nrows)
1195                 continue;
1196
1197             // If all items in a row/column are hidden, that row/column will
1198             // have a dimension of -1.  This causes the row/column to be
1199             // hidden completely.
1200             if (m_rowHeights[ m_growableRows[idx] ] == -1)
1201                 continue;
1202             sum_proportions += m_growableRowsProportions[idx];
1203             growable_space += m_rowHeights[ m_growableRows[idx] ];
1204             num++;
1205         }
1206
1207         if (num > 0)
1208         {
1209             for (idx = 0; idx < m_growableRows.GetCount(); idx++)
1210             {
1211                 if (m_growableRows[idx] >= nrows )
1212                     continue;
1213                 if (m_rowHeights[ m_growableRows[idx] ] == -1)
1214                     m_rowHeights[ m_growableRows[idx] ] = 0;
1215                 else
1216                 {
1217                     int delta = (sz.y - minsz.y);
1218                     if (sum_proportions == 0)
1219                         delta = (delta/num) + m_rowHeights[ m_growableRows[idx] ];
1220                     else
1221                         delta = ((delta+growable_space)*m_growableRowsProportions[idx]) / sum_proportions;
1222                     m_rowHeights[ m_growableRows[idx] ] = delta;
1223                 }
1224             }
1225         }
1226     }
1227     else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.y > minsz.y) )
1228     {
1229         // rounding problem?
1230         for ( int row = 0; row < nrows; ++row )
1231             m_rowHeights[ row ] = sz.y / nrows;
1232     }
1233
1234     // the same logic as above but for the columns
1235     if ( sz.x > minsz.x && ( (m_flexDirection & wxHORIZONTAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) )
1236     {
1237         int sum_proportions = 0;
1238         int growable_space = 0;
1239         int num = 0;
1240         size_t idx;
1241         for (idx = 0; idx < m_growableCols.GetCount(); idx++)
1242         {
1243             // Since the number of rows/columns can change as items are
1244             // inserted/deleted, we need to verify at runtime that the
1245             // requested growable rows/columns are still valid.
1246             if (m_growableCols[idx] >= ncols)
1247                 continue;
1248
1249             // If all items in a row/column are hidden, that row/column will
1250             // have a dimension of -1.  This causes the column to be hidden
1251             // completely.
1252             if (m_colWidths[ m_growableCols[idx] ] == -1)
1253                 continue;
1254             sum_proportions += m_growableColsProportions[idx];
1255             growable_space += m_colWidths[ m_growableCols[idx] ];
1256             num++;
1257         }
1258
1259         if (num > 0)
1260         {
1261             for (idx = 0; idx < m_growableCols.GetCount(); idx++)
1262             {
1263                 if (m_growableCols[idx] >= ncols )
1264                     continue;
1265                 if (m_colWidths[ m_growableCols[idx] ] == -1)
1266                     m_colWidths[ m_growableCols[idx] ] = 0;
1267                 else
1268                 {
1269                     int delta = (sz.x - minsz.x);
1270                     if (sum_proportions == 0)
1271                         delta = (delta/num) + m_colWidths[ m_growableCols[idx] ];
1272                     else
1273                         delta = ((delta+growable_space)*m_growableColsProportions[idx])/sum_proportions;
1274                     m_colWidths[ m_growableCols[idx] ] = delta;
1275                 }
1276             }
1277         }
1278     }
1279     else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.x > minsz.x) )
1280     {
1281         for ( int col=0; col < ncols; ++col )
1282             m_colWidths[ col ] = sz.x / ncols;
1283     }
1284 }
1285
1286
1287 void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion )
1288 {
1289     m_growableRows.Add( idx );
1290     m_growableRowsProportions.Add( proportion );
1291 }
1292
1293 void wxFlexGridSizer::RemoveGrowableRow( size_t idx )
1294 {
1295     m_growableRows.Remove( idx );
1296 }
1297
1298 void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion )
1299 {
1300     m_growableCols.Add( idx );
1301     m_growableColsProportions.Add( proportion );
1302 }
1303
1304 void wxFlexGridSizer::RemoveGrowableCol( size_t idx )
1305 {
1306     m_growableCols.Remove( idx );
1307 }
1308
1309 //---------------------------------------------------------------------------
1310 // wxBoxSizer
1311 //---------------------------------------------------------------------------
1312
1313 wxBoxSizer::wxBoxSizer( int orient )
1314     : m_orient( orient )
1315 {
1316 }
1317
1318 void wxBoxSizer::RecalcSizes()
1319 {
1320     if (m_children.GetCount() == 0)
1321         return;
1322
1323     int delta = 0;
1324     if (m_stretchable)
1325     {
1326         if (m_orient == wxHORIZONTAL)
1327             delta = m_size.x - m_fixedWidth;
1328         else
1329             delta = m_size.y - m_fixedHeight;
1330     }
1331
1332     wxPoint pt( m_position );
1333
1334     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
1335     while (node)
1336     {
1337         wxSizerItem     *item = node->GetData();
1338
1339         if (item->IsShown())
1340         {
1341             wxSize size( item->GetMinSizeWithBorder() );
1342
1343             if (m_orient == wxVERTICAL)
1344             {
1345                 wxCoord height = size.y;
1346                 if (item->GetProportion())
1347                 {
1348                     // Because of at least one visible item has non-zero
1349                     // proportion then m_stretchable is not zero
1350                     height = (delta * item->GetProportion()) / m_stretchable;
1351                 }
1352
1353                 wxPoint child_pos( pt );
1354                 wxSize  child_size( size.x, height );
1355
1356                 if (item->GetFlag() & (wxEXPAND | wxSHAPED))
1357                     child_size.x = m_size.x;
1358                 else if (item->GetFlag() & wxALIGN_RIGHT)
1359                     child_pos.x += m_size.x - size.x;
1360                 else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_HORIZONTAL))
1361                 // XXX wxCENTER is added for backward compatibility;
1362                 //     wxALIGN_CENTER should be used in new code
1363                     child_pos.x += (m_size.x - size.x) / 2;
1364
1365                 item->SetDimension( child_pos, child_size );
1366
1367                 pt.y += height;
1368             }
1369             else
1370             {
1371                 wxCoord width = size.x;
1372                 if (item->GetProportion())
1373                 {
1374                     // Because of at least one visible item has non-zero
1375                     // proportion then m_stretchable is not zero
1376                     width = (delta * item->GetProportion()) / m_stretchable;
1377                 }
1378
1379                 wxPoint child_pos( pt );
1380                 wxSize  child_size( width, size.y );
1381
1382                 if (item->GetFlag() & (wxEXPAND | wxSHAPED))
1383                     child_size.y = m_size.y;
1384                 else if (item->GetFlag() & wxALIGN_BOTTOM)
1385                     child_pos.y += m_size.y - size.y;
1386                 else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_VERTICAL))
1387                 // XXX wxCENTER is added for backward compatibility;
1388                 //     wxALIGN_CENTER should be used in new code
1389                     child_pos.y += (m_size.y - size.y) / 2;
1390
1391                 item->SetDimension( child_pos, child_size );
1392
1393                 pt.x += width;
1394             }
1395         }
1396
1397         node = node->GetNext();
1398     }
1399 }
1400
1401 wxSize wxBoxSizer::CalcMin()
1402 {
1403     if (m_children.GetCount() == 0)
1404         return wxSize(10,10);
1405
1406     m_stretchable = 0;
1407     m_minWidth = 0;
1408     m_minHeight = 0;
1409     m_fixedWidth = 0;
1410     m_fixedHeight = 0;
1411
1412     // precalc item minsizes and count proportions
1413     wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
1414     while (node)
1415     {
1416         wxSizerItem *item = node->GetData();
1417
1418         if (item->IsShown())
1419             item->CalcMin();  // result is stored in the item
1420
1421         if (item->IsShown() && item->GetProportion() != 0)
1422             m_stretchable += item->GetProportion();
1423
1424         node = node->GetNext();
1425     }
1426
1427     // Total minimum size (width or height) of sizer
1428     int maxMinSize = 0;
1429
1430     node = m_children.GetFirst();
1431     while (node)
1432     {
1433         wxSizerItem *item = node->GetData();
1434
1435         if (item->IsShown() && item->GetProportion() != 0)
1436         {
1437             int stretch = item->GetProportion();
1438             wxSize size( item->GetMinSizeWithBorder() );
1439             int minSize;
1440
1441             // Integer division rounded up is (a + b - 1) / b
1442             // Round up needed in order to guarantee that all
1443             // all items will have size not less then their min size
1444             if (m_orient == wxHORIZONTAL)
1445                 minSize = ( size.x*m_stretchable + stretch - 1)/stretch;
1446             else
1447                 minSize = ( size.y*m_stretchable + stretch - 1)/stretch;
1448
1449             if (minSize > maxMinSize)
1450                 maxMinSize = minSize;
1451         }
1452         node = node->GetNext();
1453     }
1454
1455     // Calculate overall minimum size
1456     node = m_children.GetFirst();
1457     while (node)
1458     {
1459         wxSizerItem *item = node->GetData();
1460
1461         if (item->IsShown())
1462         {
1463             wxSize size( item->GetMinSizeWithBorder() );
1464             if (item->GetProportion() != 0)
1465             {
1466                 if (m_orient == wxHORIZONTAL)
1467                     size.x = (maxMinSize*item->GetProportion())/m_stretchable;
1468                 else
1469                     size.y = (maxMinSize*item->GetProportion())/m_stretchable;
1470             }
1471             else
1472             {
1473                 if (m_orient == wxVERTICAL)
1474                 {
1475                     m_fixedHeight += size.y;
1476                     m_fixedWidth = wxMax( m_fixedWidth, size.x );
1477                 }
1478                 else
1479                 {
1480                     m_fixedWidth += size.x;
1481                     m_fixedHeight = wxMax( m_fixedHeight, size.y );
1482                 }
1483             }
1484
1485             if (m_orient == wxHORIZONTAL)
1486             {
1487                 m_minWidth += size.x;
1488                 m_minHeight = wxMax( m_minHeight, size.y );
1489             }
1490             else
1491             {
1492                 m_minHeight += size.y;
1493                 m_minWidth = wxMax( m_minWidth, size.x );
1494             }
1495         }
1496         node = node->GetNext();
1497     }
1498
1499     return wxSize( m_minWidth, m_minHeight );
1500 }
1501
1502 //---------------------------------------------------------------------------
1503 // wxStaticBoxSizer
1504 //---------------------------------------------------------------------------
1505
1506 #if wxUSE_STATBOX
1507
1508 wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient )
1509     : wxBoxSizer( orient )
1510     , m_staticBox( box )
1511 {
1512     wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") );
1513 }
1514
1515 static void GetStaticBoxBorders( wxStaticBox *box,
1516                                  int *borderTop,
1517                                  int *borderOther)
1518 {
1519     // this has to be done platform by platform as there is no way to
1520     // guess the thickness of a wxStaticBox border
1521 #ifdef __WXCOCOA__
1522     box->GetBordersForSizer(borderTop,borderOther);
1523 #elif defined(__WXMAC__)
1524
1525     static int extraTop = -1; // Uninitted
1526     static int other = 5;
1527
1528     if ( extraTop == -1 )
1529     {
1530         // The minimal border used for the top. Later on the staticbox'
1531         // font height is added to this.
1532         extraTop = 0;
1533
1534         if ( UMAGetSystemVersion() >= 0x1030 /*Panther*/ )
1535         {
1536             // As indicated by the HIG, Panther needs an extra border of 11
1537             // pixels (otherwise overlapping occurs at the top). The "other"
1538             // border has to be 11.
1539             extraTop = 11;
1540             other = 11;
1541         }
1542
1543     }
1544
1545     *borderTop = extraTop + box->GetCharHeight();
1546     *borderOther = other;
1547
1548 #else
1549 #ifdef __WXGTK__
1550     if ( box->GetLabel().IsEmpty() )
1551         *borderTop = 5;
1552     else
1553 #endif // __WXGTK__
1554         *borderTop = box->GetCharHeight();
1555
1556     *borderOther = 5;
1557 #endif // __WXCOCOA__
1558 }
1559
1560 void wxStaticBoxSizer::RecalcSizes()
1561 {
1562     int top_border, other_border;
1563     GetStaticBoxBorders(m_staticBox, &top_border, &other_border);
1564
1565     m_staticBox->SetSize( m_position.x, m_position.y, m_size.x, m_size.y );
1566
1567     wxPoint old_pos( m_position );
1568     m_position.x += other_border;
1569     m_position.y += top_border;
1570     wxSize old_size( m_size );
1571     m_size.x -= 2*other_border;
1572     m_size.y -= top_border + other_border;
1573
1574     wxBoxSizer::RecalcSizes();
1575
1576     m_position = old_pos;
1577     m_size = old_size;
1578 }
1579
1580 wxSize wxStaticBoxSizer::CalcMin()
1581 {
1582     int top_border, other_border;
1583     GetStaticBoxBorders(m_staticBox, &top_border, &other_border);
1584
1585     wxSize ret( wxBoxSizer::CalcMin() );
1586     ret.x += 2*other_border;
1587     ret.y += other_border + top_border;
1588
1589     return ret;
1590 }
1591
1592 void wxStaticBoxSizer::ShowItems( bool show )
1593 {
1594     m_staticBox->Show( show );
1595     wxBoxSizer::ShowItems( show );
1596 }
1597
1598 #endif // wxUSE_STATBOX
1599
1600
1601 #if WXWIN_COMPATIBILITY_2_4
1602
1603 // ----------------------------------------------------------------------------
1604 // wxNotebookSizer
1605 // ----------------------------------------------------------------------------
1606
1607 #if wxUSE_BOOKCTRL
1608 IMPLEMENT_CLASS(wxBookCtrlSizer, wxSizer)
1609 #if wxUSE_NOTEBOOK
1610 IMPLEMENT_CLASS(wxNotebookSizer, wxBookCtrlSizer)
1611 #endif // wxUSE_NOTEBOOK
1612 #endif // wxUSE_BOOKCTRL
1613
1614 #if wxUSE_BOOKCTRL
1615
1616 wxBookCtrlSizer::wxBookCtrlSizer(wxBookCtrl *bookctrl)
1617                : m_bookctrl(bookctrl)
1618 {
1619     wxASSERT_MSG( bookctrl, wxT("wxBookCtrlSizer needs a control") );
1620 }
1621
1622 void wxBookCtrlSizer::RecalcSizes()
1623 {
1624     m_bookctrl->SetSize( m_position.x, m_position.y, m_size.x, m_size.y );
1625 }
1626
1627 wxSize wxBookCtrlSizer::CalcMin()
1628 {
1629     wxSize sizeBorder = m_bookctrl->CalcSizeFromPage(wxSize(0, 0));
1630
1631     sizeBorder.x += 5;
1632     sizeBorder.y += 5;
1633
1634     if ( m_bookctrl->GetPageCount() == 0 )
1635     {
1636         return wxSize(sizeBorder.x + 10, sizeBorder.y + 10);
1637     }
1638
1639     int maxX = 0;
1640     int maxY = 0;
1641
1642     wxWindowList::compatibility_iterator
1643         node = m_bookctrl->GetChildren().GetFirst();
1644     while (node)
1645     {
1646         wxWindow *item = node->GetData();
1647         wxSizer *itemsizer = item->GetSizer();
1648
1649         if (itemsizer)
1650         {
1651             wxSize subsize( itemsizer->CalcMin() );
1652
1653             if (subsize.x > maxX)
1654                 maxX = subsize.x;
1655             if (subsize.y > maxY)
1656                 maxY = subsize.y;
1657         }
1658
1659         node = node->GetNext();
1660     }
1661
1662     return wxSize( maxX, maxY ) + sizeBorder;
1663 }
1664
1665 #if wxUSE_NOTEBOOK
1666
1667 wxNotebookSizer::wxNotebookSizer(wxNotebook *nb)
1668 {
1669     wxASSERT_MSG( nb, wxT("wxNotebookSizer needs a control") );
1670     m_bookctrl = nb;
1671 }
1672
1673 #endif // wxUSE_NOTEBOOOK
1674 #endif // wxUSE_BOOKCTRL
1675
1676 #endif // WXWIN_COMPATIBILITY_2_4