1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/common/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
9 // Copyright: (c) Robin Dunn, Robert Roebling
10 // Licence: wxWindows licence
11 /////////////////////////////////////////////////////////////////////////////
13 // For compilers that support precompilation, includes "wx.h".
14 #include "wx/wxprec.h"
20 #include "wx/display.h"
22 #include "wx/private/flagscheck.h"
25 #include "wx/string.h"
29 #include "wx/settings.h"
30 #include "wx/button.h"
31 #include "wx/statbox.h"
32 #include "wx/toplevel.h"
35 #include "wx/listimpl.cpp"
38 //---------------------------------------------------------------------------
40 IMPLEMENT_CLASS(wxSizerItem, wxObject)
41 IMPLEMENT_CLASS(wxSizer, wxObject)
42 IMPLEMENT_CLASS(wxGridSizer, wxSizer)
43 IMPLEMENT_CLASS(wxFlexGridSizer, wxGridSizer)
44 IMPLEMENT_CLASS(wxBoxSizer, wxSizer)
46 IMPLEMENT_CLASS(wxStaticBoxSizer, wxBoxSizer)
49 IMPLEMENT_CLASS(wxStdDialogButtonSizer, wxBoxSizer)
52 WX_DEFINE_EXPORTED_LIST( wxSizerItemList )
87 // ----------------------------------------------------------------------------
89 // ----------------------------------------------------------------------------
91 // check for flags conflicts
92 static const int SIZER_FLAGS_MASK =
94 wxADD_FLAG(wxHORIZONTAL,
95 wxADD_FLAG(wxVERTICAL,
100 wxADD_FLAG(wxALIGN_NOT,
101 wxADD_FLAG(wxALIGN_CENTER_HORIZONTAL,
102 wxADD_FLAG(wxALIGN_RIGHT,
103 wxADD_FLAG(wxALIGN_BOTTOM,
104 wxADD_FLAG(wxALIGN_CENTER_VERTICAL,
105 wxADD_FLAG(wxFIXED_MINSIZE,
106 wxADD_FLAG(wxRESERVE_SPACE_EVEN_IF_HIDDEN,
107 wxADD_FLAG(wxSTRETCH_NOT,
113 #define ASSERT_VALID_SIZER_FLAGS(f) wxASSERT_VALID_FLAGS(f, SIZER_FLAGS_MASK)
116 void wxSizerItem::Init(const wxSizerFlags& flags)
120 m_proportion = flags.GetProportion();
121 m_flag = flags.GetFlags();
122 m_border = flags.GetBorderInPixels();
124 ASSERT_VALID_SIZER_FLAGS( m_flag );
127 wxSizerItem::wxSizerItem()
138 void wxSizerItem::DoSetWindow(wxWindow *window)
140 wxCHECK_RET( window, _T("NULL window in wxSizerItem::SetWindow()") );
142 m_kind = Item_Window;
145 // window doesn't become smaller than its initial size, whatever happens
146 m_minSize = window->GetSize();
148 if ( m_flag & wxFIXED_MINSIZE )
149 window->SetMinSize(m_minSize);
151 // aspect ratio calculated from initial size
155 wxSizerItem::wxSizerItem(wxWindow *window,
161 m_proportion(proportion),
167 ASSERT_VALID_SIZER_FLAGS( m_flag );
173 void wxSizerItem::DoSetSizer(wxSizer *sizer)
179 wxSizerItem::wxSizerItem(wxSizer *sizer,
186 m_proportion(proportion),
193 ASSERT_VALID_SIZER_FLAGS( m_flag );
197 // m_minSize is set later
201 void wxSizerItem::DoSetSpacer(const wxSize& size)
203 m_kind = Item_Spacer;
204 m_spacer = new wxSizerSpacer(size);
209 wxSizerItem::wxSizerItem(int width,
217 m_minSize(width, height), // minimal size is the initial size
218 m_proportion(proportion),
224 ASSERT_VALID_SIZER_FLAGS( m_flag );
226 DoSetSpacer(wxSize(width, height));
229 wxSizerItem::~wxSizerItem()
235 void wxSizerItem::Free()
243 m_window->SetContainingSizer(NULL);
256 wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );
262 wxSize wxSizerItem::GetSpacer() const
265 if ( m_kind == Item_Spacer )
266 size = m_spacer->GetSize();
272 wxSize wxSizerItem::GetSize() const
281 ret = m_window->GetSize();
285 ret = m_sizer->GetSize();
289 ret = m_spacer->GetSize();
294 wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );
301 if (m_flag & wxNORTH)
303 if (m_flag & wxSOUTH)
309 bool wxSizerItem::InformFirstDirection(int direction, int size, int availableOtherDir)
311 // The size that come here will be including borders. Child items should get it
315 if( direction==wxHORIZONTAL )
322 else if( direction==wxVERTICAL )
324 if (m_flag & wxNORTH)
326 if (m_flag & wxSOUTH)
332 // Pass the information along to the held object
335 didUse = GetSizer()->InformFirstDirection(direction,size,availableOtherDir);
337 m_minSize = GetSizer()->CalcMin();
341 didUse = GetWindow()->InformFirstDirection(direction,size,availableOtherDir);
343 m_minSize = m_window->GetEffectiveMinSize();
345 // This information is useful for items with wxSHAPED flag, since
346 // we can request an optimal min size for such an item. Even if
347 // we overwrite the m_minSize member here, we can read it back from
348 // the owned window (happens automatically).
349 if( (m_flag & wxSHAPED) && (m_flag & wxEXPAND) && direction )
351 if( !wxIsNullDouble(m_ratio) )
353 wxCHECK_MSG( (m_proportion==0), false, _T("Shaped item, non-zero proportion in wxSizerItem::InformFirstDirection()") );
354 if( direction==wxHORIZONTAL && !wxIsNullDouble(m_ratio) )
356 // Clip size so that we don't take too much
357 if( availableOtherDir>=0 && int(size/m_ratio)-m_minSize.y>availableOtherDir )
358 size = int((availableOtherDir+m_minSize.y)*m_ratio);
359 m_minSize = wxSize(size,int(size/m_ratio));
361 else if( direction==wxVERTICAL )
363 // Clip size so that we don't take too much
364 if( availableOtherDir>=0 && int(size*m_ratio)-m_minSize.x>availableOtherDir )
365 size = int((availableOtherDir+m_minSize.x)/m_ratio);
366 m_minSize = wxSize(int(size*m_ratio),size);
376 wxSize wxSizerItem::CalcMin()
380 m_minSize = m_sizer->GetMinSize();
382 // if we have to preserve aspect ratio _AND_ this is
383 // the first-time calculation, consider ret to be initial size
384 if ( (m_flag & wxSHAPED) && wxIsNullDouble(m_ratio) )
387 else if ( IsWindow() )
389 // Since the size of the window may change during runtime, we
390 // should use the current minimal/best size.
391 m_minSize = m_window->GetEffectiveMinSize();
394 return GetMinSizeWithBorder();
397 wxSize wxSizerItem::GetMinSizeWithBorder() const
399 wxSize ret = m_minSize;
405 if (m_flag & wxNORTH)
407 if (m_flag & wxSOUTH)
414 void wxSizerItem::SetDimension( const wxPoint& pos_, const wxSize& size_ )
418 if (m_flag & wxSHAPED)
420 // adjust aspect ratio
421 int rwidth = (int) (size.y * m_ratio);
425 int rheight = (int) (size.x / m_ratio);
426 // add vertical space
427 if (m_flag & wxALIGN_CENTER_VERTICAL)
428 pos.y += (size.y - rheight) / 2;
429 else if (m_flag & wxALIGN_BOTTOM)
430 pos.y += (size.y - rheight);
431 // use reduced dimensions
434 else if (rwidth < size.x)
436 // add horizontal space
437 if (m_flag & wxALIGN_CENTER_HORIZONTAL)
438 pos.x += (size.x - rwidth) / 2;
439 else if (m_flag & wxALIGN_RIGHT)
440 pos.x += (size.x - rwidth);
445 // This is what GetPosition() returns. Since we calculate
446 // borders afterwards, GetPosition() will be the left/top
447 // corner of the surrounding border.
459 if (m_flag & wxNORTH)
464 if (m_flag & wxSOUTH)
474 m_rect = wxRect(pos, size);
479 wxFAIL_MSG( _T("can't set size of uninitialized sizer item") );
483 m_window->SetSize(pos.x, pos.y, size.x, size.y,
484 wxSIZE_ALLOW_MINUS_ONE);
488 m_sizer->SetDimension(pos.x, pos.y, size.x, size.y);
492 m_spacer->SetSize(size);
497 wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );
501 void wxSizerItem::DeleteWindows()
510 //We are deleting the window from this sizer - normally
511 //the window destroys the sizer associated with it,
512 //which might destroy this, which we don't want
513 m_window->SetContainingSizer(NULL);
515 //Putting this after the switch will result in a spacer
516 //not being deleted properly on destruction
521 m_sizer->DeleteWindows();
526 wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );
531 void wxSizerItem::Show( bool show )
536 wxFAIL_MSG( _T("can't show uninitialized sizer item") );
540 m_window->Show(show);
548 m_spacer->Show(show);
553 wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );
557 bool wxSizerItem::IsShown() const
559 if ( m_flag & wxRESERVE_SPACE_EVEN_IF_HIDDEN )
565 // we may be called from CalcMin(), just return false so that we're
570 return m_window->IsShown();
573 // arbitrarily decide that if at least one of our elements is
574 // shown, so are we (this arbitrariness is the reason for
575 // deprecating this function)
577 // Some apps (such as dialog editors) depend on an empty sizer still
578 // being laid out correctly and reporting the correct size and position.
579 if (m_sizer->GetChildren().GetCount() == 0)
582 for ( wxSizerItemList::compatibility_iterator
583 node = m_sizer->GetChildren().GetFirst();
585 node = node->GetNext() )
587 if ( node->GetData()->IsShown() )
594 return m_spacer->IsShown();
598 wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") );
604 #if WXWIN_COMPATIBILITY_2_6
605 void wxSizerItem::SetOption( int option )
607 SetProportion( option );
610 int wxSizerItem::GetOption() const
612 return GetProportion();
614 #endif // WXWIN_COMPATIBILITY_2_6
617 //---------------------------------------------------------------------------
619 //---------------------------------------------------------------------------
623 WX_CLEAR_LIST(wxSizerItemList, m_children);
626 wxSizerItem* wxSizer::Insert( size_t index, wxSizerItem *item )
628 m_children.Insert( index, item );
630 if ( item->GetWindow() )
631 item->GetWindow()->SetContainingSizer( this );
633 if ( item->GetSizer() )
634 item->GetSizer()->SetContainingWindow( m_containingWindow );
639 void wxSizer::SetContainingWindow(wxWindow *win)
641 if ( win == m_containingWindow )
644 m_containingWindow = win;
646 // set the same window for all nested sizers as well, they also are in the
648 for ( wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
650 node = node->GetNext() )
652 wxSizerItem *const item = node->GetData();
653 wxSizer *const sizer = item->GetSizer();
657 sizer->SetContainingWindow(win);
662 #if WXWIN_COMPATIBILITY_2_6
663 bool wxSizer::Remove( wxWindow *window )
665 return Detach( window );
667 #endif // WXWIN_COMPATIBILITY_2_6
669 bool wxSizer::Remove( wxSizer *sizer )
671 wxASSERT_MSG( sizer, _T("Removing NULL sizer") );
673 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
676 wxSizerItem *item = node->GetData();
678 if (item->GetSizer() == sizer)
681 m_children.Erase( node );
685 node = node->GetNext();
691 bool wxSizer::Remove( int index )
693 wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(),
695 _T("Remove index is out of range") );
697 wxSizerItemList::compatibility_iterator node = m_children.Item( index );
699 wxCHECK_MSG( node, false, _T("Failed to find child node") );
701 delete node->GetData();
702 m_children.Erase( node );
707 bool wxSizer::Detach( wxSizer *sizer )
709 wxASSERT_MSG( sizer, _T("Detaching NULL sizer") );
711 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
714 wxSizerItem *item = node->GetData();
716 if (item->GetSizer() == sizer)
720 m_children.Erase( node );
723 node = node->GetNext();
729 bool wxSizer::Detach( wxWindow *window )
731 wxASSERT_MSG( window, _T("Detaching NULL window") );
733 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
736 wxSizerItem *item = node->GetData();
738 if (item->GetWindow() == window)
741 m_children.Erase( node );
744 node = node->GetNext();
750 bool wxSizer::Detach( int index )
752 wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(),
754 _T("Detach index is out of range") );
756 wxSizerItemList::compatibility_iterator node = m_children.Item( index );
758 wxCHECK_MSG( node, false, _T("Failed to find child node") );
760 wxSizerItem *item = node->GetData();
762 if ( item->IsSizer() )
766 m_children.Erase( node );
770 bool wxSizer::Replace( wxWindow *oldwin, wxWindow *newwin, bool recursive )
772 wxASSERT_MSG( oldwin, _T("Replacing NULL window") );
773 wxASSERT_MSG( newwin, _T("Replacing with NULL window") );
775 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
778 wxSizerItem *item = node->GetData();
780 if (item->GetWindow() == oldwin)
782 item->AssignWindow(newwin);
783 newwin->SetContainingSizer( this );
786 else if (recursive && item->IsSizer())
788 if (item->GetSizer()->Replace( oldwin, newwin, true ))
792 node = node->GetNext();
798 bool wxSizer::Replace( wxSizer *oldsz, wxSizer *newsz, bool recursive )
800 wxASSERT_MSG( oldsz, _T("Replacing NULL sizer") );
801 wxASSERT_MSG( newsz, _T("Replacing with NULL sizer") );
803 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
806 wxSizerItem *item = node->GetData();
808 if (item->GetSizer() == oldsz)
810 item->AssignSizer(newsz);
813 else if (recursive && item->IsSizer())
815 if (item->GetSizer()->Replace( oldsz, newsz, true ))
819 node = node->GetNext();
825 bool wxSizer::Replace( size_t old, wxSizerItem *newitem )
827 wxCHECK_MSG( old < m_children.GetCount(), false, _T("Replace index is out of range") );
828 wxASSERT_MSG( newitem, _T("Replacing with NULL item") );
830 wxSizerItemList::compatibility_iterator node = m_children.Item( old );
832 wxCHECK_MSG( node, false, _T("Failed to find child node") );
834 wxSizerItem *item = node->GetData();
835 node->SetData(newitem);
841 void wxSizer::Clear( bool delete_windows )
843 // First clear the ContainingSizer pointers
844 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
847 wxSizerItem *item = node->GetData();
849 if (item->IsWindow())
850 item->GetWindow()->SetContainingSizer( NULL );
851 node = node->GetNext();
854 // Destroy the windows if needed
858 // Now empty the list
859 WX_CLEAR_LIST(wxSizerItemList, m_children);
862 void wxSizer::DeleteWindows()
864 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
867 wxSizerItem *item = node->GetData();
869 item->DeleteWindows();
870 node = node->GetNext();
874 wxSize wxSizer::ComputeFittingClientSize(wxWindow *window)
876 wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" );
878 // take the min size by default and limit it by max size
879 wxSize size = GetMinClientSize(window);
882 wxTopLevelWindow *tlw = wxDynamicCast(window, wxTopLevelWindow);
885 // hack for small screen devices where TLWs are always full screen
886 if ( tlw->IsAlwaysMaximized() )
888 return tlw->GetClientSize();
891 // limit the window to the size of the display it is on
892 int disp = wxDisplay::GetFromWindow(window);
893 if ( disp == wxNOT_FOUND )
895 // or, if we don't know which one it is, of the main one
899 sizeMax = wxDisplay(disp).GetClientArea().GetSize();
901 // space for decorations and toolbars etc.
902 sizeMax = tlw->WindowToClientSize(sizeMax);
906 sizeMax = GetMaxClientSize(window);
909 if ( sizeMax.x != wxDefaultCoord && size.x > sizeMax.x )
911 if ( sizeMax.y != wxDefaultCoord && size.y > sizeMax.y )
917 wxSize wxSizer::ComputeFittingWindowSize(wxWindow *window)
919 wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" );
921 return window->ClientToWindowSize(ComputeFittingClientSize(window));
924 wxSize wxSizer::Fit( wxWindow *window )
926 wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" );
929 window->SetClientSize(ComputeFittingClientSize(window));
931 // return entire size
932 return window->GetSize();
935 void wxSizer::FitInside( wxWindow *window )
938 if (window->IsTopLevel())
939 size = VirtualFitSize( window );
941 size = GetMinClientSize( window );
943 window->SetVirtualSize( size );
946 void wxSizer::Layout()
948 // (re)calculates minimums needed for each item and other preparations
952 // Applies the layout and repositions/resizes the items
956 void wxSizer::SetSizeHints( wxWindow *window )
958 // Preserve the window's max size hints, but set the
959 // lower bound according to the sizer calculations.
961 // This is equivalent to calling Fit(), except that we need to set
962 // the size hints _in between_ the two steps performed by Fit
963 // (1. ComputeFittingClientSize, 2. SetClientSize). That's because
964 // otherwise SetClientSize() could have no effect if there already are
965 // size hints in effect that forbid requested client size.
967 const wxSize clientSize = ComputeFittingClientSize(window);
969 window->SetMinClientSize(clientSize);
970 window->SetClientSize(clientSize);
973 #if WXWIN_COMPATIBILITY_2_8
974 void wxSizer::SetVirtualSizeHints( wxWindow *window )
978 #endif // WXWIN_COMPATIBILITY_2_8
980 // TODO on mac we need a function that determines how much free space this
981 // min size contains, in order to make sure that we have 20 pixels of free
982 // space around the controls
983 wxSize wxSizer::GetMaxClientSize( wxWindow *window ) const
985 return window->WindowToClientSize(window->GetMaxSize());
988 wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) )
990 return GetMinSize(); // Already returns client size.
993 wxSize wxSizer::VirtualFitSize( wxWindow *window )
995 wxSize size = GetMinClientSize( window );
996 wxSize sizeMax = GetMaxClientSize( window );
998 // Limit the size if sizeMax != wxDefaultSize
1000 if ( size.x > sizeMax.x && sizeMax.x != wxDefaultCoord )
1002 if ( size.y > sizeMax.y && sizeMax.y != wxDefaultCoord )
1008 void wxSizer::SetDimension( int x, int y, int width, int height )
1017 wxSize wxSizer::GetMinSize()
1019 wxSize ret( CalcMin() );
1020 if (ret.x < m_minSize.x) ret.x = m_minSize.x;
1021 if (ret.y < m_minSize.y) ret.y = m_minSize.y;
1025 void wxSizer::DoSetMinSize( int width, int height )
1027 m_minSize.x = width;
1028 m_minSize.y = height;
1031 bool wxSizer::DoSetItemMinSize( wxWindow *window, int width, int height )
1033 wxASSERT_MSG( window, _T("SetMinSize for NULL window") );
1035 // Is it our immediate child?
1037 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
1040 wxSizerItem *item = node->GetData();
1042 if (item->GetWindow() == window)
1044 item->SetMinSize( width, height );
1047 node = node->GetNext();
1050 // No? Search any subsizers we own then
1052 node = m_children.GetFirst();
1055 wxSizerItem *item = node->GetData();
1057 if ( item->GetSizer() &&
1058 item->GetSizer()->DoSetItemMinSize( window, width, height ) )
1060 // A child sizer found the requested windw, exit.
1063 node = node->GetNext();
1069 bool wxSizer::DoSetItemMinSize( wxSizer *sizer, int width, int height )
1071 wxASSERT_MSG( sizer, _T("SetMinSize for NULL sizer") );
1073 // Is it our immediate child?
1075 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
1078 wxSizerItem *item = node->GetData();
1080 if (item->GetSizer() == sizer)
1082 item->GetSizer()->DoSetMinSize( width, height );
1085 node = node->GetNext();
1088 // No? Search any subsizers we own then
1090 node = m_children.GetFirst();
1093 wxSizerItem *item = node->GetData();
1095 if ( item->GetSizer() &&
1096 item->GetSizer()->DoSetItemMinSize( sizer, width, height ) )
1098 // A child found the requested sizer, exit.
1101 node = node->GetNext();
1107 bool wxSizer::DoSetItemMinSize( size_t index, int width, int height )
1109 wxSizerItemList::compatibility_iterator node = m_children.Item( index );
1111 wxCHECK_MSG( node, false, _T("Failed to find child node") );
1113 wxSizerItem *item = node->GetData();
1115 if (item->GetSizer())
1117 // Sizers contains the minimal size in them, if not calculated ...
1118 item->GetSizer()->DoSetMinSize( width, height );
1122 // ... but the minimal size of spacers and windows is stored via the item
1123 item->SetMinSize( width, height );
1129 wxSizerItem* wxSizer::GetItem( wxWindow *window, bool recursive )
1131 wxASSERT_MSG( window, _T("GetItem for NULL window") );
1133 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
1136 wxSizerItem *item = node->GetData();
1138 if (item->GetWindow() == window)
1142 else if (recursive && item->IsSizer())
1144 wxSizerItem *subitem = item->GetSizer()->GetItem( window, true );
1149 node = node->GetNext();
1155 wxSizerItem* wxSizer::GetItem( wxSizer *sizer, bool recursive )
1157 wxASSERT_MSG( sizer, _T("GetItem for NULL sizer") );
1159 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
1162 wxSizerItem *item = node->GetData();
1164 if (item->GetSizer() == sizer)
1168 else if (recursive && item->IsSizer())
1170 wxSizerItem *subitem = item->GetSizer()->GetItem( sizer, true );
1175 node = node->GetNext();
1181 wxSizerItem* wxSizer::GetItem( size_t index )
1183 wxCHECK_MSG( index < m_children.GetCount(),
1185 _T("GetItem index is out of range") );
1187 return m_children.Item( index )->GetData();
1190 wxSizerItem* wxSizer::GetItemById( int id, bool recursive )
1192 // This gets a sizer item by the id of the sizer item
1193 // and NOT the id of a window if the item is a window.
1195 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
1198 wxSizerItem *item = node->GetData();
1200 if (item->GetId() == id)
1204 else if (recursive && item->IsSizer())
1206 wxSizerItem *subitem = item->GetSizer()->GetItemById( id, true );
1211 node = node->GetNext();
1217 bool wxSizer::Show( wxWindow *window, bool show, bool recursive )
1219 wxSizerItem *item = GetItem( window, recursive );
1230 bool wxSizer::Show( wxSizer *sizer, bool show, bool recursive )
1232 wxSizerItem *item = GetItem( sizer, recursive );
1243 bool wxSizer::Show( size_t index, bool show)
1245 wxSizerItem *item = GetItem( index );
1256 void wxSizer::ShowItems( bool show )
1258 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
1261 node->GetData()->Show( show );
1262 node = node->GetNext();
1266 bool wxSizer::IsShown( wxWindow *window ) const
1268 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
1271 wxSizerItem *item = node->GetData();
1273 if (item->GetWindow() == window)
1275 return item->IsShown();
1277 node = node->GetNext();
1280 wxFAIL_MSG( _T("IsShown failed to find sizer item") );
1285 bool wxSizer::IsShown( wxSizer *sizer ) const
1287 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
1290 wxSizerItem *item = node->GetData();
1292 if (item->GetSizer() == sizer)
1294 return item->IsShown();
1296 node = node->GetNext();
1299 wxFAIL_MSG( _T("IsShown failed to find sizer item") );
1304 bool wxSizer::IsShown( size_t index ) const
1306 wxCHECK_MSG( index < m_children.GetCount(),
1308 _T("IsShown index is out of range") );
1310 return m_children.Item( index )->GetData()->IsShown();
1314 //---------------------------------------------------------------------------
1316 //---------------------------------------------------------------------------
1318 wxGridSizer::wxGridSizer( int rows, int cols, int vgap, int hgap )
1319 : m_rows( ( cols == 0 && rows == 0 ) ? 1 : rows )
1326 wxGridSizer::wxGridSizer( int cols, int vgap, int hgap )
1327 : m_rows( cols == 0 ? 1 : 0 )
1334 int wxGridSizer::CalcRowsCols(int& nrows, int& ncols) const
1336 int nitems = m_children.GetCount();
1342 nrows = (nitems + m_cols - 1) / m_cols;
1346 ncols = (nitems + m_rows - 1) / m_rows;
1349 else // 0 columns, 0 rows?
1351 wxFAIL_MSG( _T("grid sizer must have either rows or columns fixed") );
1360 void wxGridSizer::RecalcSizes()
1362 int nitems, nrows, ncols;
1363 if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 )
1366 wxSize sz( GetSize() );
1367 wxPoint pt( GetPosition() );
1369 int w = (sz.x - (ncols - 1) * m_hgap) / ncols;
1370 int h = (sz.y - (nrows - 1) * m_vgap) / nrows;
1373 for (int c = 0; c < ncols; c++)
1376 for (int r = 0; r < nrows; r++)
1378 int i = r * ncols + c;
1381 wxSizerItemList::compatibility_iterator node = m_children.Item( i );
1383 wxASSERT_MSG( node, _T("Failed to find SizerItemList node") );
1385 SetItemBounds( node->GetData(), x, y, w, h);
1393 wxSize wxGridSizer::CalcMin()
1396 if ( CalcRowsCols(nrows, ncols) == 0 )
1399 // Find the max width and height for any component
1403 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
1406 wxSizerItem *item = node->GetData();
1407 wxSize sz( item->CalcMin() );
1409 w = wxMax( w, sz.x );
1410 h = wxMax( h, sz.y );
1412 node = node->GetNext();
1415 // In case we have a nested sizer with a two step algo , give it
1416 // a chance to adjust to that (we give it width component)
1417 node = m_children.GetFirst();
1418 bool didChangeMinSize = false;
1421 wxSizerItem *item = node->GetData();
1422 didChangeMinSize |= item->InformFirstDirection( wxHORIZONTAL, w, -1 );
1424 node = node->GetNext();
1427 // And redo iteration in case min size changed
1428 if( didChangeMinSize )
1430 node = m_children.GetFirst();
1434 wxSizerItem *item = node->GetData();
1435 wxSize sz( item->GetMinSizeWithBorder() );
1437 w = wxMax( w, sz.x );
1438 h = wxMax( h, sz.y );
1440 node = node->GetNext();
1444 return wxSize( ncols * w + (ncols-1) * m_hgap,
1445 nrows * h + (nrows-1) * m_vgap );
1448 void wxGridSizer::SetItemBounds( wxSizerItem *item, int x, int y, int w, int h )
1451 wxSize sz( item->GetMinSizeWithBorder() );
1452 int flag = item->GetFlag();
1454 if ((flag & wxEXPAND) || (flag & wxSHAPED))
1460 if (flag & wxALIGN_CENTER_HORIZONTAL)
1462 pt.x = x + (w - sz.x) / 2;
1464 else if (flag & wxALIGN_RIGHT)
1466 pt.x = x + (w - sz.x);
1469 if (flag & wxALIGN_CENTER_VERTICAL)
1471 pt.y = y + (h - sz.y) / 2;
1473 else if (flag & wxALIGN_BOTTOM)
1475 pt.y = y + (h - sz.y);
1479 item->SetDimension(pt, sz);
1482 //---------------------------------------------------------------------------
1484 //---------------------------------------------------------------------------
1486 wxFlexGridSizer::wxFlexGridSizer( int rows, int cols, int vgap, int hgap )
1487 : wxGridSizer( rows, cols, vgap, hgap ),
1488 m_flexDirection(wxBOTH),
1489 m_growMode(wxFLEX_GROWMODE_SPECIFIED)
1493 wxFlexGridSizer::wxFlexGridSizer( int cols, int vgap, int hgap )
1494 : wxGridSizer( cols, vgap, hgap ),
1495 m_flexDirection(wxBOTH),
1496 m_growMode(wxFLEX_GROWMODE_SPECIFIED)
1500 wxFlexGridSizer::~wxFlexGridSizer()
1504 void wxFlexGridSizer::RecalcSizes()
1507 if ( !CalcRowsCols(nrows, ncols) )
1510 const wxPoint pt(GetPosition());
1511 const wxSize sz(GetSize());
1513 AdjustForGrowables(sz);
1515 wxSizerItemList::const_iterator i = m_children.begin();
1516 const wxSizerItemList::const_iterator end = m_children.end();
1519 for ( int r = 0; r < nrows; r++ )
1521 if ( m_rowHeights[r] == -1 )
1523 // this row is entirely hidden, skip it
1524 for ( int c = 0; c < ncols; c++ )
1535 const int hrow = m_rowHeights[r];
1536 int h = sz.y - y; // max remaining height, don't overflow it
1541 for ( int c = 0; c < ncols && i != end; c++, ++i )
1543 const int wcol = m_colWidths[c];
1548 int w = sz.x - x; // max possible value, ensure we don't overflow
1552 SetItemBounds(*i, pt.x + x, pt.y + y, w, h);
1564 // helper function used in CalcMin() to sum up the sizes of non-hidden items
1565 static int SumArraySizes(const wxArrayInt& sizes, int gap)
1567 // Sum total minimum size, including gaps between rows/columns.
1568 // -1 is used as a magic number meaning empty row/column.
1571 const size_t count = sizes.size();
1572 for ( size_t n = 0; n < count; n++ )
1574 if ( sizes[n] != -1 )
1577 total += gap; // separate from the previous column
1586 void wxFlexGridSizer::FindWidthsAndHeights(int nrows, int ncols)
1588 // We have to recalculate the sizes in case the item minimum size has
1589 // changed since the previous layout, or the item has been hidden using
1590 // wxSizer::Show(). If all the items in a row/column are hidden, the final
1591 // dimension of the row/column will be -1, indicating that the column
1592 // itself is hidden.
1593 m_rowHeights.assign(nrows, -1);
1594 m_colWidths.assign(ncols, -1);
1596 // n is the index of the item in left-to-right top-to-bottom order
1598 for ( wxSizerItemList::iterator i = m_children.begin();
1599 i != m_children.end();
1602 wxSizerItem * const item = *i;
1603 if ( item->IsShown() )
1605 // NOTE: Not doing the calculation here, this is just
1606 // for finding max values.
1607 const wxSize sz(item->GetMinSizeWithBorder());
1609 const int row = n / ncols;
1610 const int col = n % ncols;
1612 if ( sz.y > m_rowHeights[row] )
1613 m_rowHeights[row] = sz.y;
1614 if ( sz.x > m_colWidths[col] )
1615 m_colWidths[col] = sz.x;
1619 AdjustForFlexDirection();
1621 m_calculatedMinSize = wxSize(SumArraySizes(m_colWidths, m_hgap),
1622 SumArraySizes(m_rowHeights, m_vgap));
1625 wxSize wxFlexGridSizer::CalcMin()
1630 // Number of rows/columns can change as items are added or removed.
1631 if ( !CalcRowsCols(nrows, ncols) )
1635 // We have to recalculate the sizes in case the item minimum size has
1636 // changed since the previous layout, or the item has been hidden using
1637 // wxSizer::Show(). If all the items in a row/column are hidden, the final
1638 // dimension of the row/column will be -1, indicating that the column
1639 // itself is hidden.
1640 m_rowHeights.assign(nrows, -1);
1641 m_colWidths.assign(ncols, -1);
1643 // n is the index of the item in left-to-right top-to-bottom order
1645 for ( wxSizerItemList::iterator i = m_children.begin();
1646 i != m_children.end();
1649 wxSizerItem * const item = *i;
1650 if ( item->IsShown() )
1656 // The stage of looking for max values in each row/column has been
1657 // made a separate function, since it's reused in AdjustForGrowables.
1658 FindWidthsAndHeights(nrows,ncols);
1660 return m_calculatedMinSize;
1663 void wxFlexGridSizer::AdjustForFlexDirection()
1665 // the logic in CalcMin works when we resize flexibly in both directions
1666 // but maybe this is not the case
1667 if ( m_flexDirection != wxBOTH )
1669 // select the array corresponding to the direction in which we do *not*
1671 wxArrayInt& array = m_flexDirection == wxVERTICAL ? m_colWidths
1674 const size_t count = array.GetCount();
1676 // find the largest value in this array
1680 for ( n = 0; n < count; ++n )
1682 if ( array[n] > largest )
1686 // and now fill it with the largest value
1687 for ( n = 0; n < count; ++n )
1689 // don't touch hidden rows
1690 if ( array[n] != -1 )
1696 // helper of AdjustForGrowables() which is called for rows/columns separately
1699 // delta: the extra space, we do nothing unless it's positive
1700 // growable: indices or growable rows/cols in sizes array
1701 // sizes: the height/widths of rows/cols to adjust
1702 // proportions: proportions of the growable rows/cols or NULL if they all
1703 // should be assumed to have proportion of 1
1705 DoAdjustForGrowables(int delta,
1706 const wxArrayInt& growable,
1708 const wxArrayInt *proportions)
1713 // total sum of proportions of all non-hidden rows
1714 int sum_proportions = 0;
1716 // number of currently shown growable rows
1719 const int max_idx = sizes.size();
1721 const size_t count = growable.size();
1723 for ( idx = 0; idx < count; idx++ )
1725 // Since the number of rows/columns can change as items are
1726 // inserted/deleted, we need to verify at runtime that the
1727 // requested growable rows/columns are still valid.
1728 if ( growable[idx] >= max_idx )
1731 // If all items in a row/column are hidden, that row/column will
1732 // have a dimension of -1. This causes the row/column to be
1733 // hidden completely.
1734 if ( sizes[growable[idx]] == -1 )
1738 sum_proportions += (*proportions)[idx];
1746 // the remaining extra free space, adjusted during each iteration
1747 for ( idx = 0; idx < count; idx++ )
1749 if ( growable[idx] >= max_idx )
1752 if ( sizes[ growable[idx] ] == -1 )
1756 if ( sum_proportions == 0 )
1758 // no growable rows -- divide extra space evenly among all
1759 cur_delta = delta/num;
1762 else // allocate extra space proportionally
1764 const int cur_prop = (*proportions)[idx];
1765 cur_delta = (delta*cur_prop)/sum_proportions;
1766 sum_proportions -= cur_prop;
1769 sizes[growable[idx]] += cur_delta;
1774 void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz)
1776 if ( (m_flexDirection & wxHORIZONTAL) || (m_growMode != wxFLEX_GROWMODE_NONE) )
1778 DoAdjustForGrowables
1780 sz.x - m_calculatedMinSize.x,
1783 m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableColsProportions
1787 // This gives nested objects that benefit from knowing one size
1788 // component in advance the chance to use that.
1789 bool didAdjustMinSize = false;
1791 CalcRowsCols(nrows, ncols);
1793 // Iterate over all items and inform about column width
1795 for ( wxSizerItemList::iterator i = m_children.begin();
1796 i != m_children.end();
1799 const int col = n % ncols;
1800 didAdjustMinSize |= (*i)->InformFirstDirection(wxHORIZONTAL, m_colWidths[col], sz.y - m_calculatedMinSize.y);
1803 // Only redo if info was actually used
1804 if( didAdjustMinSize )
1806 DoAdjustForGrowables
1808 sz.x - m_calculatedMinSize.x,
1811 m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableColsProportions
1817 if ( (m_flexDirection & wxVERTICAL) || (m_growMode != wxFLEX_GROWMODE_NONE) )
1819 // pass NULL instead of proportions if the grow mode is ALL as we
1820 // should treat all rows as having proportion of 1 then
1821 DoAdjustForGrowables
1823 sz.y - m_calculatedMinSize.y,
1826 m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableRowsProportions
1833 void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion )
1835 m_growableRows.Add( idx );
1836 m_growableRowsProportions.Add( proportion );
1839 void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion )
1841 m_growableCols.Add( idx );
1842 m_growableColsProportions.Add( proportion );
1845 // helper function for RemoveGrowableCol/Row()
1847 DoRemoveFromArrays(size_t idx, wxArrayInt& items, wxArrayInt& proportions)
1849 const size_t count = items.size();
1850 for ( size_t n = 0; n < count; n++ )
1852 if ( (size_t)items[n] == idx )
1855 proportions.RemoveAt(n);
1860 wxFAIL_MSG( _T("column/row is already not growable") );
1863 void wxFlexGridSizer::RemoveGrowableCol( size_t idx )
1865 DoRemoveFromArrays(idx, m_growableCols, m_growableColsProportions);
1868 void wxFlexGridSizer::RemoveGrowableRow( size_t idx )
1870 DoRemoveFromArrays(idx, m_growableRows, m_growableRowsProportions);
1873 //---------------------------------------------------------------------------
1875 //---------------------------------------------------------------------------
1877 void wxBoxSizer::RecalcSizes()
1879 if ( m_children.empty() )
1882 const wxCoord totalMinorSize = GetSizeInMinorDir(m_size);
1884 // the amount of free space which we should redistribute among the
1885 // stretchable items (i.e. those with non zero proportion)
1886 int delta = GetSizeInMajorDir(m_size) - GetSizeInMajorDir(m_minSize);
1889 // Inform child items about the size in minor direction, that can
1890 // change how much free space we have in major dir and how to distribute it.
1891 int majorMinSum = 0;
1892 wxSizerItemList::const_iterator i ;
1893 for ( i = m_children.begin();
1894 i != m_children.end();
1897 wxSizerItem * const item = *i;
1899 if ( !item->IsShown() )
1902 wxSize szMinPrev = item->GetMinSizeWithBorder();
1903 item->InformFirstDirection(m_orient^wxBOTH,totalMinorSize,delta);
1904 wxSize szMin = item->GetMinSizeWithBorder();
1905 int deltaChange = GetSizeInMajorDir(szMin-szMinPrev);
1908 // Since we passed available space along to the item, it should not
1909 // take too much, so delta should not become negative.
1910 delta -= deltaChange;
1912 majorMinSum += GetSizeInMajorDir(item->GetMinSizeWithBorder());
1914 // And update our min size
1915 SizeInMajorDir(m_minSize) = majorMinSum;
1918 // might have a new delta now
1919 delta = GetSizeInMajorDir(m_size) - GetSizeInMajorDir(m_minSize);
1921 // the position at which we put the next child
1922 wxPoint pt(m_position);
1924 int totalProportion = m_totalProportion;
1925 for ( i = m_children.begin();
1926 i != m_children.end();
1929 wxSizerItem * const item = *i;
1931 if ( !item->IsShown() )
1934 const wxSize sizeThis(item->GetMinSizeWithBorder());
1936 // adjust the size in the major direction using the proportion
1937 wxCoord majorSize = GetSizeInMajorDir(sizeThis);
1938 const int propItem = item->GetProportion();
1941 const int deltaItem = (delta * propItem) / totalProportion;
1943 majorSize += deltaItem;
1946 totalProportion -= propItem;
1950 // apply the alignment in the minor direction
1951 wxPoint posChild(pt);
1953 wxCoord minorSize = GetSizeInMinorDir(sizeThis);
1954 const int flag = item->GetFlag();
1955 if ( flag & (wxEXPAND | wxSHAPED) )
1957 minorSize = totalMinorSize;
1959 else if ( flag & (IsVertical() ? wxALIGN_RIGHT : wxALIGN_BOTTOM) )
1961 PosInMinorDir(posChild) += totalMinorSize - minorSize;
1963 // NB: wxCENTRE is used here only for backwards compatibility,
1964 // wxALIGN_CENTRE should be used in new code
1965 else if ( flag & (wxCENTER | wxALIGN_CENTRE) )
1967 PosInMinorDir(posChild) += (totalMinorSize - minorSize) / 2;
1971 // apply RTL adjustment for horizontal sizers:
1972 if ( !IsVertical() && m_containingWindow )
1974 posChild.x = m_containingWindow->AdjustForLayoutDirection
1982 // finally set size of this child and advance to the next one
1983 item->SetDimension(posChild, SizeFromMajorMinor(majorSize, minorSize));
1985 PosInMajorDir(pt) += majorSize;
1989 wxSize wxBoxSizer::CalcMin()
1991 m_totalProportion = 0;
1992 m_minSize = wxSize(0, 0);
1994 // calculate the minimal sizes for all items and count sum of proportions
1995 for ( wxSizerItemList::const_iterator i = m_children.begin();
1996 i != m_children.end();
1999 wxSizerItem * const item = *i;
2001 if ( !item->IsShown() )
2004 const wxSize sizeMinThis = item->CalcMin();
2005 SizeInMajorDir(m_minSize) += GetSizeInMajorDir(sizeMinThis);
2006 if ( GetSizeInMinorDir(sizeMinThis) > GetSizeInMinorDir(m_minSize) )
2007 SizeInMinorDir(m_minSize) = GetSizeInMinorDir(sizeMinThis);
2009 m_totalProportion += item->GetProportion();
2015 //---------------------------------------------------------------------------
2017 //---------------------------------------------------------------------------
2019 #define wxDEFAULT_PROPORTION_LAST 1000000
2021 // User data to hold old proportion for last item on line
2022 // (which might be extended)
2023 struct wxPropHolder : public wxObject
2025 wxPropHolder( ) : m_item(0), m_propOld(0) { }
2026 void Init( wxSizerItem *item, int propOld ) { m_item=item; m_propOld=propOld; }
2028 wxSizerItem *m_item;
2032 IMPLEMENT_DYNAMIC_CLASS(wxWrapSizer, wxBoxSizer);
2034 wxWrapSizer::wxWrapSizer( int orient, int flags )
2035 : wxBoxSizer(orient),
2036 m_prim_size_last( -1 ),
2037 m_rows(orient^wxBOTH),
2042 wxWrapSizer::~wxWrapSizer()
2044 // Have to clear grand child items so that they're not deleted twice
2045 for( int ix=m_rows.GetChildren().GetCount()-1; ix>=0; ix-- )
2047 wxSizer *psz = m_rows.GetItem((size_t)ix)->GetSizer();
2048 wxSizerItemList &sl = psz->GetChildren();
2049 while( sl.GetLast() )
2050 sl.Erase( sl.GetLast() );
2055 bool wxWrapSizer::InformFirstDirection( int direction, int size, int WXUNUSED(availableOtherDir) )
2059 // Better to keep value, then CalcMin will work better
2060 //m_prim_size_last = -1;
2063 if( direction==m_orient )
2065 // The direction is same as our primary, so we can make use of it
2066 m_prim_size_last = size;
2074 void wxWrapSizer::AdjustPropLastItem(wxSizer *psz, wxSizerItem *itemLast)
2076 wxSizerItem *psi = m_rows.GetItem(psz);
2078 wxPropHolder *pph = (wxPropHolder*)psi->GetUserData();
2080 psi->SetUserData( pph=new wxPropHolder );
2082 pph->Init( itemLast, itemLast->GetProportion() );
2083 itemLast->SetProportion( wxDEFAULT_PROPORTION_LAST );
2086 void wxWrapSizer::RecalcSizes()
2088 wxASSERT( m_orient&wxBOTH );
2089 if (m_children.GetCount() == 0)
2092 // What we do here is to put our items into child box sizers,
2093 // as many of them as we have lines.
2095 // Empty all items in all rows in owned sizer.
2096 // We have to access the list directly, since we don't want to
2097 // destroy the wxSizerItems.
2098 for( int ix=m_rows.GetChildren().GetCount()-1; ix>=0; ix-- ){
2099 wxSizerItem *psi = m_rows.GetItem( (size_t)ix );
2101 // Restore proportion for last item on line (if item has not been deleted)
2102 wxPropHolder *pph = (wxPropHolder*)psi->GetUserData();
2103 if( pph && GetChildren().Find(pph->m_item) )
2104 pph->m_item->SetProportion(pph->m_propOld);
2106 wxSizer *psz = psi->GetSizer();
2108 wxSizerItemList &sl = psz->GetChildren();
2109 while( sl.GetLast() )
2110 sl.Erase( sl.GetLast() );
2113 int lineSumMajor = 0;
2114 int majorSize = GetSizeInMajorDir(m_size);
2116 // Make sure we have at least one child sizer
2118 if( !m_rows.GetChildren().GetCount() )
2119 m_rows.Add( new wxBoxSizer(GetOrientation()), 1, wxEXPAND );
2121 // The sizer where to insert items in
2122 wxSizer *psz = m_rows.GetItem((size_t)0)->GetSizer();
2125 // Now put our child items into child sizers instead
2126 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
2127 wxSizerItem *item = NULL, *itemLast=NULL;
2130 item = node->GetData();
2131 if ( item->IsShown() )
2133 wxSize minSz = item->GetMinSize();
2134 int minSzMajor = GetSizeInMajorDir(minSz);
2136 // More space on this line?
2137 if( !lineSumMajor || lineSumMajor+minSzMajor<=majorSize )
2139 lineSumMajor += minSzMajor;
2143 lineSumMajor = minSzMajor;
2144 // Get a new empty sizer to insert into
2145 if( (int)m_rows.GetChildren().GetCount()<=m_n_line )
2146 m_rows.Add( new wxBoxSizer(GetOrientation()), 1, wxEXPAND );
2148 // If we have extend-last-on-each-line mode, then do so now
2149 // Note: We must store old proportion value then.
2150 if( m_flags&wxEXTEND_LAST_ON_EACH_LINE )
2151 AdjustPropLastItem(psz,itemLast);
2153 // The sizer where to insert items in
2154 psz = m_rows.GetItem(m_n_line++)->GetSizer();
2158 // If item is a window, it now has a pointer to the child sizer,
2159 // which is wrong. Set it to point to us.
2160 if( item->GetWindow() )
2161 item->GetWindow()->SetContainingSizer( this );
2163 node = node->GetNext();
2166 // If we have extend-last-on-each-line mode, then do so now
2167 if( m_flags&wxEXTEND_LAST_ON_EACH_LINE )
2168 AdjustPropLastItem(psz,itemLast);
2170 // If we have more sizers than lines, remove them
2171 while( (int)m_rows.GetChildren().GetCount()>m_n_line )
2172 m_rows.Remove( m_n_line );
2174 // Now do layout on row sizer
2175 m_rows.SetDimension( m_position.x, m_position.y, m_size.x, m_size.y );
2177 // Remember this to next time (will be overridden by InformFirstDirection if used)
2178 m_prim_size_last = GetSizeInMajorDir(m_size);
2182 wxSize wxWrapSizer::CalcMin()
2184 if (m_children.GetCount() == 0)
2187 // Algorithm for calculating min size: (assuming horizontal orientation)
2188 // X: Max width of all members
2189 // Y: Based on last X, calculate how many lines needed
2190 // First time around, assume all items fits on one line
2194 int lineMaxMinor = 0;
2195 int lineSumMajor = 0;
2198 // precalc item minsizes and fit on lines (preliminary)
2199 wxSizerItemList::compatibility_iterator node = m_children.GetFirst();
2202 wxSizerItem *item = node->GetData();
2203 if ( item->IsShown() )
2205 wxSize minSz = item->CalcMin();
2206 int szMajor = GetSizeInMajorDir(minSz);
2207 int szMinor = GetSizeInMinorDir(minSz);
2208 if( szMajor>maxMajor ) maxMajor = szMajor;
2209 // More space on this line?
2210 if( m_prim_size_last<0 || !lineSumMajor ||
2211 lineSumMajor+szMajor<=m_prim_size_last )
2213 lineSumMajor += szMajor;
2214 if( szMinor>lineMaxMinor )
2215 lineMaxMinor = szMinor;
2219 minorSum += lineMaxMinor; // Add height of highest item on last line
2221 lineMaxMinor = szMinor;
2222 lineSumMajor = szMajor;
2225 node = node->GetNext();
2227 minorSum += lineMaxMinor; // Add height of highest item on last line
2229 m_minSize = SizeFromMajorMinor(maxMajor, minorSum);
2233 //---------------------------------------------------------------------------
2235 //---------------------------------------------------------------------------
2239 wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient )
2240 : wxBoxSizer( orient ),
2243 wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") );
2245 // do this so that our Detach() is called if the static box is destroyed
2247 m_staticBox->SetContainingSizer(this);
2250 wxStaticBoxSizer::wxStaticBoxSizer(int orient, wxWindow *win, const wxString& s)
2251 : wxBoxSizer(orient),
2252 m_staticBox(new wxStaticBox(win, wxID_ANY, s))
2255 m_staticBox->SetContainingSizer(this);
2258 wxStaticBoxSizer::~wxStaticBoxSizer()
2263 static void GetStaticBoxBorders( wxStaticBox *box,
2267 // this has to be done platform by platform as there is no way to
2268 // guess the thickness of a wxStaticBox border
2269 box->GetBordersForSizer(borderTop, borderOther);
2272 void wxStaticBoxSizer::RecalcSizes()
2274 int top_border, other_border;
2275 GetStaticBoxBorders(m_staticBox, &top_border, &other_border);
2277 m_staticBox->SetSize( m_position.x, m_position.y, m_size.x, m_size.y );
2279 wxPoint old_pos( m_position );
2280 m_position.x += other_border;
2281 m_position.y += top_border;
2282 wxSize old_size( m_size );
2283 m_size.x -= 2*other_border;
2284 m_size.y -= top_border + other_border;
2286 wxBoxSizer::RecalcSizes();
2288 m_position = old_pos;
2292 wxSize wxStaticBoxSizer::CalcMin()
2294 int top_border, other_border;
2295 GetStaticBoxBorders(m_staticBox, &top_border, &other_border);
2297 wxSize ret( wxBoxSizer::CalcMin() );
2298 ret.x += 2*other_border;
2299 ret.y += other_border + top_border;
2304 void wxStaticBoxSizer::ShowItems( bool show )
2306 m_staticBox->Show( show );
2307 wxBoxSizer::ShowItems( show );
2310 bool wxStaticBoxSizer::Detach( wxWindow *window )
2312 // avoid deleting m_staticBox in our dtor if it's being detached from the
2313 // sizer (which can happen because it's being already destroyed for
2315 if ( window == m_staticBox )
2321 return wxSizer::Detach( window );
2324 #endif // wxUSE_STATBOX
2328 wxStdDialogButtonSizer::wxStdDialogButtonSizer()
2329 : wxBoxSizer(wxHORIZONTAL)
2331 // Vertical buttons with lots of space on either side
2332 // looks rubbish on WinCE, so let's not do this for now.
2333 // If we are going to use vertical buttons, we should
2334 // put the sizer to the right of other controls in the dialog,
2335 // and that's beyond the scope of this sizer.
2337 bool is_pda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA);
2338 // If we have a PDA screen, put yes/no button over
2339 // all other buttons, otherwise on the left side.
2341 m_orient = wxVERTICAL;
2344 m_buttonAffirmative = NULL;
2345 m_buttonApply = NULL;
2346 m_buttonNegative = NULL;
2347 m_buttonCancel = NULL;
2348 m_buttonHelp = NULL;
2351 void wxStdDialogButtonSizer::AddButton(wxButton *mybutton)
2353 switch (mybutton->GetId())
2358 m_buttonAffirmative = mybutton;
2361 m_buttonApply = mybutton;
2364 m_buttonNegative = mybutton;
2368 m_buttonCancel = mybutton;
2371 case wxID_CONTEXT_HELP:
2372 m_buttonHelp = mybutton;
2379 void wxStdDialogButtonSizer::SetAffirmativeButton( wxButton *button )
2381 m_buttonAffirmative = button;
2384 void wxStdDialogButtonSizer::SetNegativeButton( wxButton *button )
2386 m_buttonNegative = button;
2389 void wxStdDialogButtonSizer::SetCancelButton( wxButton *button )
2391 m_buttonCancel = button;
2394 void wxStdDialogButtonSizer::Realize()
2397 Add(0, 0, 0, wxLEFT, 6);
2399 Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6);
2401 if (m_buttonNegative){
2402 // HIG POLICE BULLETIN - destructive buttons need extra padding
2403 // 24 pixels on either side
2404 Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 12);
2407 // extra whitespace between help/negative and cancel/ok buttons
2408 Add(0, 0, 1, wxEXPAND, 0);
2410 if (m_buttonCancel){
2411 Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6);
2412 // Cancel or help should be default
2413 // m_buttonCancel->SetDefaultButton();
2416 // Ugh, Mac doesn't really have apply dialogs, so I'll just
2417 // figure the best place is between Cancel and OK
2419 Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6);
2421 if (m_buttonAffirmative){
2422 Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6);
2424 if (m_buttonAffirmative->GetId() == wxID_SAVE){
2425 // these buttons have set labels under Mac so we should use them
2426 m_buttonAffirmative->SetLabel(_("Save"));
2427 if (m_buttonNegative)
2428 m_buttonNegative->SetLabel(_("Don't Save"));
2432 // Extra space around and at the right
2434 #elif defined(__WXGTK20__)
2435 Add(0, 0, 0, wxLEFT, 9);
2437 Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
2439 // extra whitespace between help and cancel/ok buttons
2440 Add(0, 0, 1, wxEXPAND, 0);
2442 if (m_buttonNegative){
2443 Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
2446 // according to HIG, in explicit apply windows the order is:
2447 // [ Help Apply Cancel OK ]
2449 Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
2451 if (m_buttonCancel){
2452 Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3);
2453 // Cancel or help should be default
2454 // m_buttonCancel->SetDefaultButton();
2457 if (m_buttonAffirmative)
2458 Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6);
2459 #elif defined(__WXMSW__)
2462 // right-justify buttons
2463 Add(0, 0, 1, wxEXPAND, 0);
2465 if (m_buttonAffirmative){
2466 Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonAffirmative->ConvertDialogToPixels(wxSize(2, 0)).x);
2469 if (m_buttonNegative){
2470 Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonNegative->ConvertDialogToPixels(wxSize(2, 0)).x);
2473 if (m_buttonCancel){
2474 Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonCancel->ConvertDialogToPixels(wxSize(2, 0)).x);
2477 Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonApply->ConvertDialogToPixels(wxSize(2, 0)).x);
2480 Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonHelp->ConvertDialogToPixels(wxSize(2, 0)).x);
2482 // GTK+1 and any other platform
2484 // Add(0, 0, 0, wxLEFT, 5); // Not sure what this was for but it unbalances the dialog
2486 Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonHelp->ConvertDialogToPixels(wxSize(4, 0)).x);
2488 // extra whitespace between help and cancel/ok buttons
2489 Add(0, 0, 1, wxEXPAND, 0);
2492 Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonApply->ConvertDialogToPixels(wxSize(4, 0)).x);
2494 if (m_buttonAffirmative){
2495 Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonAffirmative->ConvertDialogToPixels(wxSize(4, 0)).x);
2498 if (m_buttonNegative){
2499 Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonNegative->ConvertDialogToPixels(wxSize(4, 0)).x);
2502 if (m_buttonCancel){
2503 Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonCancel->ConvertDialogToPixels(wxSize(4, 0)).x);
2504 // Cancel or help should be default
2505 // m_buttonCancel->SetDefaultButton();
2511 #endif // wxUSE_BUTTON