X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/caa2490c0fb8053b1d416117a9619695d75af9e4..f253c22f29771e7dfd9ae3e1fe65650da14c8092:/src/common/sizer.cpp?ds=sidebyside diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp index 36c63f9e10..6e4fbcb376 100644 --- a/src/common/sizer.cpp +++ b/src/common/sizer.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: sizer.cpp +// Name: src/common/sizer.cpp // Purpose: provide new wxSizer class for layout // Author: Robert Roebling and Robin Dunn, contributions by // Dirk Holtwick, Ron Lee @@ -10,10 +10,6 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "sizer.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -21,20 +17,23 @@ #pragma hdrstop #endif +#include "wx/sizer.h" +#include "wx/private/flagscheck.h" + #ifndef WX_PRECOMP #include "wx/string.h" #include "wx/intl.h" + #include "wx/math.h" + #include "wx/utils.h" + #include "wx/settings.h" + #include "wx/button.h" + #include "wx/statbox.h" + #include "wx/toplevel.h" #endif // WX_PRECOMP -#include "wx/sizer.h" -#include "wx/utils.h" -#include "wx/statbox.h" -#include "wx/settings.h" +#include "wx/display.h" #include "wx/listimpl.cpp" -#include "wx/intl.h" -#if WXWIN_COMPATIBILITY_2_4 - #include "wx/notebook.h" -#endif + //--------------------------------------------------------------------------- @@ -50,7 +49,7 @@ IMPLEMENT_CLASS(wxStaticBoxSizer, wxBoxSizer) IMPLEMENT_CLASS(wxStdDialogButtonSizer, wxBoxSizer) #endif -WX_DEFINE_EXPORTED_LIST( wxSizerItemList ); +WX_DEFINE_EXPORTED_LIST( wxSizerItemList ) /* TODO PROPERTIES @@ -89,6 +88,31 @@ WX_DEFINE_EXPORTED_LIST( wxSizerItemList ); // wxSizerItem // ---------------------------------------------------------------------------- +// check for flags conflicts +static const int SIZER_FLAGS_MASK = + wxADD_FLAG(wxCENTRE, + wxADD_FLAG(wxHORIZONTAL, + wxADD_FLAG(wxVERTICAL, + wxADD_FLAG(wxLEFT, + wxADD_FLAG(wxRIGHT, + wxADD_FLAG(wxUP, + wxADD_FLAG(wxDOWN, + wxADD_FLAG(wxALIGN_NOT, + wxADD_FLAG(wxALIGN_CENTER_HORIZONTAL, + wxADD_FLAG(wxALIGN_RIGHT, + wxADD_FLAG(wxALIGN_BOTTOM, + wxADD_FLAG(wxALIGN_CENTER_VERTICAL, + wxADD_FLAG(wxFIXED_MINSIZE, + wxADD_FLAG(wxRESERVE_SPACE_EVEN_IF_HIDDEN, + wxADD_FLAG(wxSTRETCH_NOT, + wxADD_FLAG(wxSHRINK, + wxADD_FLAG(wxGROW, + wxADD_FLAG(wxSHAPED, + 0)))))))))))))))))); + +#define ASSERT_VALID_SIZER_FLAGS(f) wxASSERT_VALID_FLAGS(f, SIZER_FLAGS_MASK) + + void wxSizerItem::Init(const wxSizerFlags& flags) { Init(); @@ -96,6 +120,8 @@ void wxSizerItem::Init(const wxSizerFlags& flags) m_proportion = flags.GetProportion(); m_flag = flags.GetFlags(); m_border = flags.GetBorderInPixels(); + + ASSERT_VALID_SIZER_FLAGS( m_flag ); } wxSizerItem::wxSizerItem() @@ -105,12 +131,11 @@ wxSizerItem::wxSizerItem() m_proportion = 0; m_border = 0; m_flag = 0; - - m_kind = Item_None; + m_id = wxID_NONE; } // window item -void wxSizerItem::SetWindow(wxWindow *window) +void wxSizerItem::DoSetWindow(wxWindow *window) { wxCHECK_RET( window, _T("NULL window in wxSizerItem::SetWindow()") ); @@ -132,16 +157,20 @@ wxSizerItem::wxSizerItem(wxWindow *window, int flag, int border, wxObject* userData) - : m_proportion(proportion), + : m_kind(Item_None), + m_proportion(proportion), m_border(border), m_flag(flag), + m_id(wxID_NONE), m_userData(userData) { - SetWindow(window); + ASSERT_VALID_SIZER_FLAGS( m_flag ); + + DoSetWindow(window); } // sizer item -void wxSizerItem::SetSizer(wxSizer *sizer) +void wxSizerItem::DoSetSizer(wxSizer *sizer) { m_kind = Item_Sizer; m_sizer = sizer; @@ -152,19 +181,24 @@ wxSizerItem::wxSizerItem(wxSizer *sizer, int flag, int border, wxObject* userData) - : m_proportion(proportion), + : m_kind(Item_None), + m_sizer(NULL), + m_proportion(proportion), m_border(border), m_flag(flag), + m_id(wxID_NONE), m_ratio(0.0), m_userData(userData) { - SetSizer(sizer); + ASSERT_VALID_SIZER_FLAGS( m_flag ); + + DoSetSizer(sizer); // m_minSize is set later } // spacer item -void wxSizerItem::SetSpacer(const wxSize& size) +void wxSizerItem::DoSetSpacer(const wxSize& size) { m_kind = Item_Spacer; m_spacer = new wxSizerSpacer(size); @@ -178,19 +212,28 @@ wxSizerItem::wxSizerItem(int width, int flag, int border, wxObject* userData) - : m_minSize(width, height), // minimal size is the initial size + : m_kind(Item_None), + m_sizer(NULL), + m_minSize(width, height), // minimal size is the initial size m_proportion(proportion), m_border(border), m_flag(flag), + m_id(wxID_NONE), m_userData(userData) { - SetSpacer(width, height); + ASSERT_VALID_SIZER_FLAGS( m_flag ); + + DoSetSpacer(wxSize(width, height)); } wxSizerItem::~wxSizerItem() { delete m_userData; + Free(); +} +void wxSizerItem::Free() +{ switch ( m_kind ) { case Item_None: @@ -212,6 +255,8 @@ wxSizerItem::~wxSizerItem() default: wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); } + + m_kind = Item_None; } wxSize wxSizerItem::GetSpacer() const @@ -261,6 +306,73 @@ wxSize wxSizerItem::GetSize() const return ret; } +bool wxSizerItem::InformFirstDirection(int direction, int size, int availableOtherDir) +{ + // The size that come here will be including borders. Child items should get it + // without borders. + if( size>0 ) + { + if( direction==wxHORIZONTAL ) + { + if (m_flag & wxWEST) + size -= m_border; + if (m_flag & wxEAST) + size -= m_border; + } + else if( direction==wxVERTICAL ) + { + if (m_flag & wxNORTH) + size -= m_border; + if (m_flag & wxSOUTH) + size -= m_border; + } + } + + bool didUse = false; + // Pass the information along to the held object + if (IsSizer()) + { + didUse = GetSizer()->InformFirstDirection(direction,size,availableOtherDir); + if (didUse) + m_minSize = GetSizer()->CalcMin(); + } + else if (IsWindow()) + { + didUse = GetWindow()->InformFirstDirection(direction,size,availableOtherDir); + if (didUse) + m_minSize = m_window->GetEffectiveMinSize(); + + // This information is useful for items with wxSHAPED flag, since + // we can request an optimal min size for such an item. Even if + // we overwrite the m_minSize member here, we can read it back from + // the owned window (happens automatically). + if( (m_flag & wxSHAPED) && (m_flag & wxEXPAND) && direction ) + { + if( !wxIsNullDouble(m_ratio) ) + { + wxCHECK_MSG( (m_proportion==0), false, _T("Shaped item, non-zero proportion in wxSizerItem::InformFirstDirection()") ); + if( direction==wxHORIZONTAL && !wxIsNullDouble(m_ratio) ) + { + // Clip size so that we don't take too much + if( availableOtherDir>=0 && int(size/m_ratio)-m_minSize.y>availableOtherDir ) + size = int((availableOtherDir+m_minSize.y)*m_ratio); + m_minSize = wxSize(size,int(size/m_ratio)); + } + else if( direction==wxVERTICAL ) + { + // Clip size so that we don't take too much + if( availableOtherDir>=0 && int(size*m_ratio)-m_minSize.x>availableOtherDir ) + size = int((availableOtherDir+m_minSize.x)/m_ratio); + m_minSize = wxSize(int(size*m_ratio),size); + } + didUse = true; + } + } + } + + return didUse; +} + wxSize wxSizerItem::CalcMin() { if (IsSizer()) @@ -269,14 +381,14 @@ wxSize wxSizerItem::CalcMin() // if we have to preserve aspect ratio _AND_ this is // the first-time calculation, consider ret to be initial size - if ((m_flag & wxSHAPED) && !m_ratio) + if ( (m_flag & wxSHAPED) && wxIsNullDouble(m_ratio) ) SetRatio(m_minSize); } else if ( IsWindow() ) { // Since the size of the window may change during runtime, we // should use the current minimal/best size. - m_minSize = m_window->GetBestFittingSize(); + m_minSize = m_window->GetEffectiveMinSize(); } return GetMinSizeWithBorder(); @@ -299,8 +411,10 @@ wxSize wxSizerItem::GetMinSizeWithBorder() const } -void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) +void wxSizerItem::SetDimension( const wxPoint& pos_, const wxSize& size_ ) { + wxPoint pos = pos_; + wxSize size = size_; if (m_flag & wxSHAPED) { // adjust aspect ratio @@ -352,6 +466,11 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) size.y -= m_border; } + if (size.x < 0) + size.x = 0; + if (size.y < 0) + size.y = 0; + m_rect = wxRect(pos, size); switch ( m_kind ) @@ -361,12 +480,23 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) break; case Item_Window: + { + // Use wxSIZE_FORCE_EVENT here since a sizer item might + // have changed alignment or some other property which would + // not change the size of the window. In such a case, no + // wxSizeEvent would normally be generated and thus the + // control wouldn't get layed out correctly here. +#if 1 + m_window->SetSize(pos.x, pos.y, size.x, size.y, + wxSIZE_ALLOW_MINUS_ONE|wxSIZE_FORCE_EVENT ); +#else m_window->SetSize(pos.x, pos.y, size.x, size.y, - wxSIZE_ALLOW_MINUS_ONE); + wxSIZE_ALLOW_MINUS_ONE ); +#endif break; - + } case Item_Sizer: - m_sizer->SetDimension(pos.x, pos.y, size.x, size.y); + m_sizer->SetDimension(pos, size); break; case Item_Spacer: @@ -395,7 +525,7 @@ void wxSizerItem::DeleteWindows() m_window->Destroy(); //Putting this after the switch will result in a spacer //not being deleted properly on destruction - m_kind = Item_None; + m_kind = Item_None; break; case Item_Sizer: @@ -437,17 +567,39 @@ void wxSizerItem::Show( bool show ) bool wxSizerItem::IsShown() const { + if ( m_flag & wxRESERVE_SPACE_EVEN_IF_HIDDEN ) + return true; + switch ( m_kind ) { case Item_None: - wxFAIL_MSG( _T("uninitialized sizer item") ); + // we may be called from CalcMin(), just return false so that we're + // not used break; case Item_Window: return m_window->IsShown(); case Item_Sizer: - return m_sizer->IsShown(); + // arbitrarily decide that if at least one of our elements is + // shown, so are we (this arbitrariness is the reason for + // deprecating this function) + { + // Some apps (such as dialog editors) depend on an empty sizer still + // being laid out correctly and reporting the correct size and position. + if (m_sizer->GetChildren().GetCount() == 0) + return true; + + for ( wxSizerItemList::compatibility_iterator + node = m_sizer->GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + if ( node->GetData()->IsShown() ) + return true; + } + } + return false; case Item_Spacer: return m_spacer->IsShown(); @@ -460,6 +612,7 @@ bool wxSizerItem::IsShown() const return false; } +#if WXWIN_COMPATIBILITY_2_6 void wxSizerItem::SetOption( int option ) { SetProportion( option ); @@ -469,17 +622,13 @@ int wxSizerItem::GetOption() const { return GetProportion(); } +#endif // WXWIN_COMPATIBILITY_2_6 //--------------------------------------------------------------------------- // wxSizer //--------------------------------------------------------------------------- -wxSizer::wxSizer() -{ - m_isShown = true; -} - wxSizer::~wxSizer() { WX_CLEAR_LIST(wxSizerItemList, m_children); @@ -492,13 +641,41 @@ wxSizerItem* wxSizer::Insert( size_t index, wxSizerItem *item ) if ( item->GetWindow() ) item->GetWindow()->SetContainingSizer( this ); + if ( item->GetSizer() ) + item->GetSizer()->SetContainingWindow( m_containingWindow ); + return item; } +void wxSizer::SetContainingWindow(wxWindow *win) +{ + if ( win == m_containingWindow ) + return; + + m_containingWindow = win; + + // set the same window for all nested sizers as well, they also are in the + // same window + for ( wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + node; + node = node->GetNext() ) + { + wxSizerItem *const item = node->GetData(); + wxSizer *const sizer = item->GetSizer(); + + if ( sizer ) + { + sizer->SetContainingWindow(win); + } + } +} + +#if WXWIN_COMPATIBILITY_2_6 bool wxSizer::Remove( wxWindow *window ) { return Detach( window ); } +#endif // WXWIN_COMPATIBILITY_2_6 bool wxSizer::Remove( wxSizer *sizer ) { @@ -532,13 +709,9 @@ bool wxSizer::Remove( int index ) wxCHECK_MSG( node, false, _T("Failed to find child node") ); - wxSizerItem *item = node->GetData(); - - if ( item->IsWindow() ) - item->GetWindow()->SetContainingSizer( NULL ); - - delete item; + delete node->GetData(); m_children.Erase( node ); + return true; } @@ -575,7 +748,6 @@ bool wxSizer::Detach( wxWindow *window ) if (item->GetWindow() == window) { - item->GetWindow()->SetContainingSizer( NULL ); delete item; m_children.Erase( node ); return true; @@ -600,14 +772,83 @@ bool wxSizer::Detach( int index ) if ( item->IsSizer() ) item->DetachSizer(); - else if ( item->IsWindow() ) - item->GetWindow()->SetContainingSizer( NULL ); delete item; m_children.Erase( node ); return true; } +bool wxSizer::Replace( wxWindow *oldwin, wxWindow *newwin, bool recursive ) +{ + wxASSERT_MSG( oldwin, _T("Replacing NULL window") ); + wxASSERT_MSG( newwin, _T("Replacing with NULL window") ); + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetWindow() == oldwin) + { + item->AssignWindow(newwin); + newwin->SetContainingSizer( this ); + return true; + } + else if (recursive && item->IsSizer()) + { + if (item->GetSizer()->Replace( oldwin, newwin, true )) + return true; + } + + node = node->GetNext(); + } + + return false; +} + +bool wxSizer::Replace( wxSizer *oldsz, wxSizer *newsz, bool recursive ) +{ + wxASSERT_MSG( oldsz, _T("Replacing NULL sizer") ); + wxASSERT_MSG( newsz, _T("Replacing with NULL sizer") ); + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == oldsz) + { + item->AssignSizer(newsz); + return true; + } + else if (recursive && item->IsSizer()) + { + if (item->GetSizer()->Replace( oldsz, newsz, true )) + return true; + } + + node = node->GetNext(); + } + + return false; +} + +bool wxSizer::Replace( size_t old, wxSizerItem *newitem ) +{ + wxCHECK_MSG( old < m_children.GetCount(), false, _T("Replace index is out of range") ); + wxASSERT_MSG( newitem, _T("Replacing with NULL item") ); + + wxSizerItemList::compatibility_iterator node = m_children.Item( old ); + + wxCHECK_MSG( node, false, _T("Failed to find child node") ); + + wxSizerItem *item = node->GetData(); + node->SetData(newitem); + delete item; + + return true; +} + void wxSizer::Clear( bool delete_windows ) { // First clear the ContainingSizer pointers @@ -641,16 +882,67 @@ void wxSizer::DeleteWindows() } } -wxSize wxSizer::Fit( wxWindow *window ) +wxSize wxSizer::ComputeFittingClientSize(wxWindow *window) { - wxSize size(window->IsTopLevel() ? FitSize(window) - : GetMinWindowSize(window)); + wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" ); + + // take the min size by default and limit it by max size + wxSize size = GetMinClientSize(window); + wxSize sizeMax; + + wxTopLevelWindow *tlw = wxDynamicCast(window, wxTopLevelWindow); + if ( tlw ) + { + // hack for small screen devices where TLWs are always full screen + if ( tlw->IsAlwaysMaximized() ) + { + return tlw->GetClientSize(); + } + + // limit the window to the size of the display it is on + int disp = wxDisplay::GetFromWindow(window); + if ( disp == wxNOT_FOUND ) + { + // or, if we don't know which one it is, of the main one + disp = 0; + } + + sizeMax = wxDisplay(disp).GetClientArea().GetSize(); + + // space for decorations and toolbars etc. + sizeMax = tlw->WindowToClientSize(sizeMax); + } + else + { + sizeMax = GetMaxClientSize(window); + } - window->SetSize( size ); + if ( sizeMax.x != wxDefaultCoord && size.x > sizeMax.x ) + size.x = sizeMax.x; + if ( sizeMax.y != wxDefaultCoord && size.y > sizeMax.y ) + size.y = sizeMax.y; return size; } +wxSize wxSizer::ComputeFittingWindowSize(wxWindow *window) +{ + wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" ); + + return window->ClientToWindowSize(ComputeFittingClientSize(window)); +} + +wxSize wxSizer::Fit( wxWindow *window ) +{ + wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" ); + + // set client size + window->SetClientSize(ComputeFittingClientSize(window)); + + // return entire size + return window->GetSize(); +} + void wxSizer::FitInside( wxWindow *window ) { wxSize size; @@ -677,76 +969,31 @@ void wxSizer::SetSizeHints( wxWindow *window ) // Preserve the window's max size hints, but set the // lower bound according to the sizer calculations. - wxSize size = Fit( window ); + // This is equivalent to calling Fit(), except that we need to set + // the size hints _in between_ the two steps performed by Fit + // (1. ComputeFittingClientSize, 2. SetClientSize). That's because + // otherwise SetClientSize() could have no effect if there already are + // size hints in effect that forbid requested client size. - window->SetSizeHints( size.x, - size.y, - window->GetMaxWidth(), - window->GetMaxHeight() ); + const wxSize clientSize = ComputeFittingClientSize(window); + + window->SetMinClientSize(clientSize); + window->SetClientSize(clientSize); } +#if WXWIN_COMPATIBILITY_2_8 void wxSizer::SetVirtualSizeHints( wxWindow *window ) { - // Preserve the window's max size hints, but set the - // lower bound according to the sizer calculations. - FitInside( window ); - wxSize size( window->GetVirtualSize() ); - window->SetVirtualSizeHints( size.x, - size.y, - window->GetMaxWidth(), - window->GetMaxHeight() ); -} - -wxSize wxSizer::GetMaxWindowSize( wxWindow *window ) const -{ - return window->GetMaxSize(); -} - -wxSize wxSizer::GetMinWindowSize( wxWindow *window ) -{ - wxSize minSize( GetMinSize() ); - wxSize size( window->GetSize() ); - wxSize client_size( window->GetClientSize() ); - - return wxSize( minSize.x+size.x-client_size.x, - minSize.y+size.y-client_size.y ); } +#endif // WXWIN_COMPATIBILITY_2_8 // TODO on mac we need a function that determines how much free space this // min size contains, in order to make sure that we have 20 pixels of free // space around the controls - -// Return a window size that will fit within the screens dimensions -wxSize wxSizer::FitSize( wxWindow *window ) -{ - wxSize size = GetMinWindowSize( window ); - wxSize sizeMax = GetMaxWindowSize( window ); - - // Limit the size if sizeMax != wxDefaultSize - - if ( size.x > sizeMax.x && sizeMax.x != wxDefaultCoord ) - size.x = sizeMax.x; - if ( size.y > sizeMax.y && sizeMax.y != wxDefaultCoord ) - size.y = sizeMax.y; - - return size; -} - wxSize wxSizer::GetMaxClientSize( wxWindow *window ) const { - wxSize maxSize( window->GetMaxSize() ); - - if ( maxSize != wxDefaultSize ) - { - wxSize size( window->GetSize() ); - wxSize client_size( window->GetClientSize() ); - - return wxSize( maxSize.x + client_size.x - size.x, - maxSize.y + client_size.y - size.y ); - } - else - return wxDefaultSize; + return window->WindowToClientSize(window->GetMaxSize()); } wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) ) @@ -769,15 +1016,6 @@ wxSize wxSizer::VirtualFitSize( wxWindow *window ) return size; } -void wxSizer::SetDimension( int x, int y, int width, int height ) -{ - m_position.x = x; - m_position.y = y; - m_size.x = width; - m_size.y = height; - Layout(); -} - wxSize wxSizer::GetMinSize() { wxSize ret( CalcMin() ); @@ -951,6 +1189,33 @@ wxSizerItem* wxSizer::GetItem( size_t index ) return m_children.Item( index )->GetData(); } +wxSizerItem* wxSizer::GetItemById( int id, bool recursive ) +{ + // This gets a sizer item by the id of the sizer item + // and NOT the id of a window if the item is a window. + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetId() == id) + { + return item; + } + else if (recursive && item->IsSizer()) + { + wxSizerItem *subitem = item->GetSizer()->GetItemById( id, true ); + if (subitem) + return subitem; + } + + node = node->GetNext(); + } + + return NULL; +} + bool wxSizer::Show( wxWindow *window, bool show, bool recursive ) { wxSizerItem *item = GetItem( window, recursive ); @@ -1053,46 +1318,82 @@ bool wxSizer::IsShown( size_t index ) const //--------------------------------------------------------------------------- wxGridSizer::wxGridSizer( int rows, int cols, int vgap, int hgap ) - : m_rows( rows ) + : m_rows( ( cols == 0 && rows == 0 ) ? 1 : rows ) , m_cols( cols ) , m_vgap( vgap ) , m_hgap( hgap ) { - if (m_rows == 0 && m_cols == 0) - m_rows = 1; } wxGridSizer::wxGridSizer( int cols, int vgap, int hgap ) - : m_rows( 0 ) + : m_rows( cols == 0 ? 1 : 0 ) , m_cols( cols ) , m_vgap( vgap ) , m_hgap( hgap ) { - if (m_rows == 0 && m_cols == 0) - m_rows = 1; } -int wxGridSizer::CalcRowsCols(int& nrows, int& ncols) const +wxSizerItem *wxGridSizer::Insert(size_t index, wxSizerItem *item) { - int nitems = m_children.GetCount(); - if ( nitems) + // if only the number of columns or the number of rows is specified for a + // sizer, arbitrarily many items can be added to it but if both of them are + // fixed, then the sizer can't have more than that many items -- check for + // this here to ensure that we detect errors as soon as possible + if ( m_cols && m_rows ) { - if ( m_cols ) - { - ncols = m_cols; - nrows = (nitems + m_cols - 1) / m_cols; - } - else if ( m_rows ) + const int nitems = m_children.GetCount(); + if ( nitems == m_cols*m_rows ) { - ncols = (nitems + m_rows - 1) / m_rows; - nrows = m_rows; + wxFAIL_MSG( + wxString::Format( + "too many items (%d > %d*%d) in grid sizer (maybe you " + "should omit the number of either rows or columns?)", + nitems + 1, m_cols, m_rows) + ); + + // additionally, continuing to use the specified number of columns + // and rows is not a good idea as callers of CalcRowsCols() expect + // that all sizer items can fit into m_cols/m_rows-sized arrays + // which is not the case if there are too many items and results in + // crashes, so let it compute the number of rows automatically by + // forgetting the (wrong) number of rows specified (this also has a + // nice side effect of giving only one assert even if there are + // many more items than allowed in this sizer) + m_rows = 0; } - else // 0 columns, 0 rows? - { - wxFAIL_MSG( _T("grid sizer must have either rows or columns fixed") ); + } - nrows = ncols = 0; - } + return wxSizer::Insert(index, item); +} + +int wxGridSizer::CalcRowsCols(int& nrows, int& ncols) const +{ + const int nitems = m_children.GetCount(); + if ( m_cols && m_rows ) + { + ncols = m_cols; + nrows = m_rows; + + // this should be impossible because the too high number of items + // should have been detected by Insert() above + wxASSERT_MSG( nitems <= ncols*nrows, "logic error in wxGridSizer" ); + } + else if ( m_cols ) + { + ncols = m_cols; + nrows = (nitems + m_cols - 1) / m_cols; + } + else if ( m_rows ) + { + ncols = (nitems + m_rows - 1) / m_rows; + nrows = m_rows; + } + else // 0 columns, 0 rows? + { + wxFAIL_MSG( _T("grid sizer must have either rows or columns fixed") ); + + nrows = + ncols = 0; } return nitems; @@ -1135,7 +1436,7 @@ wxSize wxGridSizer::CalcMin() { int nrows, ncols; if ( CalcRowsCols(nrows, ncols) == 0 ) - return wxSize(10, 10); + return wxSize(); // Find the max width and height for any component int w = 0; @@ -1153,6 +1454,35 @@ wxSize wxGridSizer::CalcMin() node = node->GetNext(); } + // In case we have a nested sizer with a two step algo , give it + // a chance to adjust to that (we give it width component) + node = m_children.GetFirst(); + bool didChangeMinSize = false; + while (node) + { + wxSizerItem *item = node->GetData(); + didChangeMinSize |= item->InformFirstDirection( wxHORIZONTAL, w, -1 ); + + node = node->GetNext(); + } + + // And redo iteration in case min size changed + if( didChangeMinSize ) + { + node = m_children.GetFirst(); + w = h = 0; + while (node) + { + wxSizerItem *item = node->GetData(); + wxSize sz( item->GetMinSizeWithBorder() ); + + w = wxMax( w, sz.x ); + h = wxMax( h, sz.y ); + + node = node->GetNext(); + } + } + return wxSize( ncols * w + (ncols-1) * m_hgap, nrows * h + (nrows-1) * m_vgap ); } @@ -1215,105 +1545,158 @@ wxFlexGridSizer::~wxFlexGridSizer() void wxFlexGridSizer::RecalcSizes() { - int nitems, nrows, ncols; - if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) + int nrows, ncols; + if ( !CalcRowsCols(nrows, ncols) ) return; - wxPoint pt( GetPosition() ); - wxSize sz( GetSize() ); + const wxPoint pt(GetPosition()); + const wxSize sz(GetSize()); - AdjustForGrowables(sz, m_calculatedMinSize, nrows, ncols); + AdjustForGrowables(sz); - sz = wxSize( pt.x + sz.x, pt.y + sz.y ); + wxSizerItemList::const_iterator i = m_children.begin(); + const wxSizerItemList::const_iterator end = m_children.end(); - int x = pt.x; - for (int c = 0; c < ncols; c++) + int y = 0; + for ( int r = 0; r < nrows; r++ ) { - int y = pt.y; - for (int r = 0; r < nrows; r++) + if ( m_rowHeights[r] == -1 ) { - int i = r * ncols + c; - if (i < nitems) + // this row is entirely hidden, skip it + for ( int c = 0; c < ncols; c++ ) { - wxSizerItemList::compatibility_iterator node = m_children.Item( i ); + if ( i == end ) + return; - wxASSERT_MSG( node, _T("Failed to find node") ); + ++i; + } - int w = wxMax( 0, wxMin( m_colWidths[c], sz.x - x ) ); - int h = wxMax( 0, wxMin( m_rowHeights[r], sz.y - y ) ); + continue; + } - SetItemBounds( node->GetData(), x, y, w, h); - } - if (m_rowHeights[r] != -1) - y = y + m_rowHeights[r] + m_vgap; + const int hrow = m_rowHeights[r]; + int h = sz.y - y; // max remaining height, don't overflow it + if ( hrow < h ) + h = hrow; + + int x = 0; + for ( int c = 0; c < ncols && i != end; c++, ++i ) + { + const int wcol = m_colWidths[c]; + + if ( wcol == -1 ) + continue; + + int w = sz.x - x; // max possible value, ensure we don't overflow + if ( wcol < w ) + w = wcol; + + SetItemBounds(*i, pt.x + x, pt.y + y, w, h); + + x += wcol + m_hgap; } - if (m_colWidths[c] != -1) - x = x + m_colWidths[c] + m_hgap; + + if ( i == end ) + return; + + y += hrow + m_vgap; } } +// helper function used in CalcMin() to sum up the sizes of non-hidden items +static int SumArraySizes(const wxArrayInt& sizes, int gap) +{ + // Sum total minimum size, including gaps between rows/columns. + // -1 is used as a magic number meaning empty row/column. + int total = 0; + + const size_t count = sizes.size(); + for ( size_t n = 0; n < count; n++ ) + { + if ( sizes[n] != -1 ) + { + if ( total ) + total += gap; // separate from the previous column + + total += sizes[n]; + } + } + + return total; +} + +void wxFlexGridSizer::FindWidthsAndHeights(int nrows, int ncols) +{ + // We have to recalculate the sizes in case the item minimum size has + // changed since the previous layout, or the item has been hidden using + // wxSizer::Show(). If all the items in a row/column are hidden, the final + // dimension of the row/column will be -1, indicating that the column + // itself is hidden. + m_rowHeights.assign(nrows, -1); + m_colWidths.assign(ncols, -1); + + // n is the index of the item in left-to-right top-to-bottom order + size_t n = 0; + for ( wxSizerItemList::iterator i = m_children.begin(); + i != m_children.end(); + ++i, ++n ) + { + wxSizerItem * const item = *i; + if ( item->IsShown() ) + { + // NOTE: Not doing the calculation here, this is just + // for finding max values. + const wxSize sz(item->GetMinSizeWithBorder()); + + const int row = n / ncols; + const int col = n % ncols; + + if ( sz.y > m_rowHeights[row] ) + m_rowHeights[row] = sz.y; + if ( sz.x > m_colWidths[col] ) + m_colWidths[col] = sz.x; + } + } + + AdjustForFlexDirection(); + + m_calculatedMinSize = wxSize(SumArraySizes(m_colWidths, m_hgap), + SumArraySizes(m_rowHeights, m_vgap)); +} + wxSize wxFlexGridSizer::CalcMin() { - int nrows, - ncols; - size_t i, s; + int nrows, + ncols; // Number of rows/columns can change as items are added or removed. if ( !CalcRowsCols(nrows, ncols) ) - return wxSize(10, 10); + return wxSize(); - m_rowHeights.SetCount(nrows); - m_colWidths.SetCount(ncols); - // We have to recalcuate the sizes in case the item minimum size has + // We have to recalculate the sizes in case the item minimum size has // changed since the previous layout, or the item has been hidden using // wxSizer::Show(). If all the items in a row/column are hidden, the final // dimension of the row/column will be -1, indicating that the column // itself is hidden. - for( s = m_rowHeights.GetCount(), i = 0; i < s; ++i ) - m_rowHeights[ i ] = -1; - for( s = m_colWidths.GetCount(), i = 0; i < s; ++i ) - m_colWidths[ i ] = -1; - - wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + m_rowHeights.assign(nrows, -1); + m_colWidths.assign(ncols, -1); - i = 0; - while (node) + for ( wxSizerItemList::iterator i = m_children.begin(); + i != m_children.end(); + ++i) { - wxSizerItem *item = node->GetData(); + wxSizerItem * const item = *i; if ( item->IsShown() ) { - wxSize sz( item->CalcMin() ); - int row = i / ncols; - int col = i % ncols; - - m_rowHeights[ row ] = wxMax( wxMax( 0, sz.y ), m_rowHeights[ row ] ); - m_colWidths[ col ] = wxMax( wxMax( 0, sz.x ), m_colWidths[ col ] ); + item->CalcMin(); } - - node = node->GetNext(); - i++; } - AdjustForFlexDirection(); + // The stage of looking for max values in each row/column has been + // made a separate function, since it's reused in AdjustForGrowables. + FindWidthsAndHeights(nrows,ncols); - // Sum total minimum size, including gaps between rows/columns. - // -1 is used as a magic number meaning empty column. - int width = 0; - for (int col = 0; col < ncols; col++) - if ( m_colWidths[ col ] != -1 ) - width += m_colWidths[ col ] + m_hgap; - if (width > 0) - width -= m_hgap; - - int height = 0; - for (int row = 0; row < nrows; row++) - if ( m_rowHeights[ row ] != -1 ) - height += m_rowHeights[ row ] + m_vgap; - if (height > 0) - height -= m_vgap; - - m_calculatedMinSize = wxSize( width, height ); return m_calculatedMinSize; } @@ -1328,10 +1711,12 @@ void wxFlexGridSizer::AdjustForFlexDirection() wxArrayInt& array = m_flexDirection == wxVERTICAL ? m_colWidths : m_rowHeights; - const int count = array.GetCount(); + const size_t count = array.GetCount(); // find the largest value in this array - int n, largest = 0; + size_t n; + int largest = 0; + for ( n = 0; n < count; ++n ) { if ( array[n] > largest ) @@ -1341,334 +1726,399 @@ void wxFlexGridSizer::AdjustForFlexDirection() // and now fill it with the largest value for ( n = 0; n < count; ++n ) { - array[n] = largest; + // don't touch hidden rows + if ( array[n] != -1 ) + array[n] = largest; } } } +// helper of AdjustForGrowables() which is called for rows/columns separately +// +// parameters: +// delta: the extra space, we do nothing unless it's positive +// growable: indices or growable rows/cols in sizes array +// sizes: the height/widths of rows/cols to adjust +// proportions: proportions of the growable rows/cols or NULL if they all +// should be assumed to have proportion of 1 +static void +DoAdjustForGrowables(int delta, + const wxArrayInt& growable, + wxArrayInt& sizes, + const wxArrayInt *proportions) +{ + if ( delta <= 0 ) + return; -void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz, const wxSize& minsz, - int nrows, int ncols) -{ - // what to do with the rows? by default, resize them proportionally - if ( sz.y > minsz.y && ( (m_flexDirection & wxVERTICAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) ) + // total sum of proportions of all non-hidden rows + int sum_proportions = 0; + + // number of currently shown growable rows + int num = 0; + + const int max_idx = sizes.size(); + + const size_t count = growable.size(); + size_t idx; + for ( idx = 0; idx < count; idx++ ) + { + // Since the number of rows/columns can change as items are + // inserted/deleted, we need to verify at runtime that the + // requested growable rows/columns are still valid. + if ( growable[idx] >= max_idx ) + continue; + + // If all items in a row/column are hidden, that row/column will + // have a dimension of -1. This causes the row/column to be + // hidden completely. + if ( sizes[growable[idx]] == -1 ) + continue; + + if ( proportions ) + sum_proportions += (*proportions)[idx]; + + num++; + } + + if ( !num ) + return; + + // the remaining extra free space, adjusted during each iteration + for ( idx = 0; idx < count; idx++ ) { - int sum_proportions = 0; - int growable_space = 0; - int num = 0; - size_t idx; - for (idx = 0; idx < m_growableRows.GetCount(); idx++) + if ( growable[idx] >= max_idx ) + continue; + + if ( sizes[ growable[idx] ] == -1 ) + continue; + + int cur_delta; + if ( sum_proportions == 0 ) { - // Since the number of rows/columns can change as items are - // inserted/deleted, we need to verify at runtime that the - // requested growable rows/columns are still valid. - if (m_growableRows[idx] >= nrows) - continue; + // no growable rows -- divide extra space evenly among all + cur_delta = delta/num; + num--; + } + else // allocate extra space proportionally + { + const int cur_prop = (*proportions)[idx]; + cur_delta = (delta*cur_prop)/sum_proportions; + sum_proportions -= cur_prop; + } - // If all items in a row/column are hidden, that row/column will - // have a dimension of -1. This causes the row/column to be - // hidden completely. - if (m_rowHeights[ m_growableRows[idx] ] == -1) - continue; - sum_proportions += m_growableRowsProportions[idx]; - growable_space += m_rowHeights[ m_growableRows[idx] ]; - num++; + sizes[growable[idx]] += cur_delta; + delta -= cur_delta; + } +} + +void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz) +{ +#if wxDEBUG_LEVEL + // by the time this function is called, the sizer should be already fully + // initialized and hence the number of its columns and rows is known and we + // can check that all indices in m_growableCols/Rows are valid (see also + // comments in AddGrowableCol/Row()) + if ( !m_rows || !m_cols ) + { + int nrows, ncols; + CalcRowsCols(nrows, ncols); + + if ( !m_rows ) + { + for ( size_t n = 0; n < m_growableRows.size(); n++ ) + { + wxASSERT_MSG( m_growableRows[n] < nrows, + "invalid growable row index" ); + } } - if (num > 0) + if ( !m_cols ) { - for (idx = 0; idx < m_growableRows.GetCount(); idx++) + for ( size_t n = 0; n < m_growableCols.size(); n++ ) { - if (m_growableRows[idx] >= nrows ) - continue; - if (m_rowHeights[ m_growableRows[idx] ] == -1) - m_rowHeights[ m_growableRows[idx] ] = 0; - else - { - int delta = (sz.y - minsz.y); - if (sum_proportions == 0) - delta = (delta/num) + m_rowHeights[ m_growableRows[idx] ]; - else - delta = ((delta+growable_space)*m_growableRowsProportions[idx]) / sum_proportions; - m_rowHeights[ m_growableRows[idx] ] = delta; - } + wxASSERT_MSG( m_growableCols[n] < ncols, + "invalid growable column index" ); } } } - else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.y > minsz.y) ) - { - // rounding problem? - for ( int row = 0; row < nrows; ++row ) - m_rowHeights[ row ] = sz.y / nrows; - } +#endif // wxDEBUG_LEVEL - // the same logic as above but for the columns - if ( sz.x > minsz.x && ( (m_flexDirection & wxHORIZONTAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) ) + + if ( (m_flexDirection & wxHORIZONTAL) || (m_growMode != wxFLEX_GROWMODE_NONE) ) { - int sum_proportions = 0; - int growable_space = 0; - int num = 0; - size_t idx; - for (idx = 0; idx < m_growableCols.GetCount(); idx++) + DoAdjustForGrowables + ( + sz.x - m_calculatedMinSize.x, + m_growableCols, + m_colWidths, + m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableColsProportions + : NULL + ); + + // This gives nested objects that benefit from knowing one size + // component in advance the chance to use that. + bool didAdjustMinSize = false; + int nrows, ncols; + CalcRowsCols(nrows, ncols); + + // Iterate over all items and inform about column width + size_t n = 0; + for ( wxSizerItemList::iterator i = m_children.begin(); + i != m_children.end(); + ++i, ++n ) { - // Since the number of rows/columns can change as items are - // inserted/deleted, we need to verify at runtime that the - // requested growable rows/columns are still valid. - if (m_growableCols[idx] >= ncols) - continue; - - // If all items in a row/column are hidden, that row/column will - // have a dimension of -1. This causes the column to be hidden - // completely. - if (m_colWidths[ m_growableCols[idx] ] == -1) - continue; - sum_proportions += m_growableColsProportions[idx]; - growable_space += m_colWidths[ m_growableCols[idx] ]; - num++; + const int col = n % ncols; + didAdjustMinSize |= (*i)->InformFirstDirection(wxHORIZONTAL, m_colWidths[col], sz.y - m_calculatedMinSize.y); } - if (num > 0) + // Only redo if info was actually used + if( didAdjustMinSize ) { - for (idx = 0; idx < m_growableCols.GetCount(); idx++) - { - if (m_growableCols[idx] >= ncols ) - continue; - if (m_colWidths[ m_growableCols[idx] ] == -1) - m_colWidths[ m_growableCols[idx] ] = 0; - else - { - int delta = (sz.x - minsz.x); - if (sum_proportions == 0) - delta = (delta/num) + m_colWidths[ m_growableCols[idx] ]; - else - delta = ((delta+growable_space)*m_growableColsProportions[idx])/sum_proportions; - m_colWidths[ m_growableCols[idx] ] = delta; - } - } + DoAdjustForGrowables + ( + sz.x - m_calculatedMinSize.x, + m_growableCols, + m_colWidths, + m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableColsProportions + : NULL + ); } } - else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.x > minsz.x) ) + + if ( (m_flexDirection & wxVERTICAL) || (m_growMode != wxFLEX_GROWMODE_NONE) ) { - for ( int col=0; col < ncols; ++col ) - m_colWidths[ col ] = sz.x / ncols; + // pass NULL instead of proportions if the grow mode is ALL as we + // should treat all rows as having proportion of 1 then + DoAdjustForGrowables + ( + sz.y - m_calculatedMinSize.y, + m_growableRows, + m_rowHeights, + m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableRowsProportions + : NULL + ); } } +bool wxFlexGridSizer::IsRowGrowable( size_t idx ) +{ + return m_growableRows.Index( idx ) != wxNOT_FOUND; +} -void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion ) +bool wxFlexGridSizer::IsColGrowable( size_t idx ) { - m_growableRows.Add( idx ); - m_growableRowsProportions.Add( proportion ); + return m_growableCols.Index( idx ) != wxNOT_FOUND; } -void wxFlexGridSizer::RemoveGrowableRow( size_t idx ) +void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion ) { - m_growableRows.Remove( idx ); + int nrows, ncols; + CalcRowsCols(nrows, ncols); + + wxASSERT_MSG( !IsRowGrowable( idx ), + "AddGrowableRow() called for growable row" ); + + // notice that we intentionally don't check the index validity here in (the + // common) case when the number of rows was not specified in the ctor -- in + // this case it will be computed only later, when all items are added to + // the sizer, and the check will be done in AdjustForGrowables() + wxCHECK_RET( !m_rows || idx < (size_t)m_rows, "invalid row index" ); + + m_growableRows.Add( idx ); + m_growableRowsProportions.Add( proportion ); } void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion ) { + int nrows, ncols; + CalcRowsCols(nrows, ncols); + + wxASSERT_MSG( !IsColGrowable( idx ), + "AddGrowableCol() called for growable column" ); + + // see comment in AddGrowableRow(): although it's less common to omit the + // specification of the number of columns, it still can also happen + wxCHECK_RET( !m_cols || idx < (size_t)ncols, "invalid column index" ); + m_growableCols.Add( idx ); m_growableColsProportions.Add( proportion ); } +// helper function for RemoveGrowableCol/Row() +static void +DoRemoveFromArrays(size_t idx, wxArrayInt& items, wxArrayInt& proportions) +{ + const size_t count = items.size(); + for ( size_t n = 0; n < count; n++ ) + { + if ( (size_t)items[n] == idx ) + { + items.RemoveAt(n); + proportions.RemoveAt(n); + return; + } + } + + wxFAIL_MSG( _T("column/row is already not growable") ); +} + void wxFlexGridSizer::RemoveGrowableCol( size_t idx ) { - m_growableCols.Remove( idx ); + DoRemoveFromArrays(idx, m_growableCols, m_growableColsProportions); +} + +void wxFlexGridSizer::RemoveGrowableRow( size_t idx ) +{ + DoRemoveFromArrays(idx, m_growableRows, m_growableRowsProportions); } //--------------------------------------------------------------------------- // wxBoxSizer //--------------------------------------------------------------------------- -wxBoxSizer::wxBoxSizer( int orient ) - : m_orient( orient ) -{ -} - void wxBoxSizer::RecalcSizes() { - if (m_children.GetCount() == 0) + if ( m_children.empty() ) return; - int delta = 0; - if (m_stretchable) - { - if (m_orient == wxHORIZONTAL) - delta = m_size.x - m_fixedWidth; - else - delta = m_size.y - m_fixedHeight; - } + const wxCoord totalMinorSize = GetSizeInMinorDir(m_size); - wxPoint pt( m_position ); + // the amount of free space which we should redistribute among the + // stretchable items (i.e. those with non zero proportion) + int delta = GetSizeInMajorDir(m_size) - GetSizeInMajorDir(m_minSize); - wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); - while (node) + + // Inform child items about the size in minor direction, that can + // change how much free space we have in major dir and how to distribute it. + int majorMinSum = 0; + wxSizerItemList::const_iterator i ; + for ( i = m_children.begin(); + i != m_children.end(); + ++i ) { - wxSizerItem *item = node->GetData(); + wxSizerItem * const item = *i; + + if ( !item->IsShown() ) + continue; - if (item->IsShown()) + wxSize szMinPrev = item->GetMinSizeWithBorder(); + item->InformFirstDirection(m_orient^wxBOTH,totalMinorSize,delta); + wxSize szMin = item->GetMinSizeWithBorder(); + int deltaChange = GetSizeInMajorDir(szMin-szMinPrev); + if( deltaChange ) { - wxSize size( item->GetMinSizeWithBorder() ); + // Since we passed available space along to the item, it should not + // take too much, so delta should not become negative. + delta -= deltaChange; + } + majorMinSum += GetSizeInMajorDir(item->GetMinSizeWithBorder()); + } + // And update our min size + SizeInMajorDir(m_minSize) = majorMinSum; - if (m_orient == wxVERTICAL) - { - wxCoord height = size.y; - if (item->GetProportion()) - { - // Because of at least one visible item has non-zero - // proportion then m_stretchable is not zero - height = (delta * item->GetProportion()) / m_stretchable; - } - wxPoint child_pos( pt ); - wxSize child_size( size.x, height ); + // might have a new delta now + delta = GetSizeInMajorDir(m_size) - GetSizeInMajorDir(m_minSize); - if (item->GetFlag() & (wxEXPAND | wxSHAPED)) - child_size.x = m_size.x; - else if (item->GetFlag() & wxALIGN_RIGHT) - child_pos.x += m_size.x - size.x; - else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_HORIZONTAL)) - // XXX wxCENTER is added for backward compatibility; - // wxALIGN_CENTER should be used in new code - child_pos.x += (m_size.x - size.x) / 2; + // the position at which we put the next child + wxPoint pt(m_position); - item->SetDimension( child_pos, child_size ); + int totalProportion = m_totalProportion; + for ( i = m_children.begin(); + i != m_children.end(); + ++i ) + { + wxSizerItem * const item = *i; - pt.y += height; - } - else - { - wxCoord width = size.x; - if (item->GetProportion()) - { - // Because of at least one visible item has non-zero - // proportion then m_stretchable is not zero - width = (delta * item->GetProportion()) / m_stretchable; - } + if ( !item->IsShown() ) + continue; - wxPoint child_pos( pt ); - wxSize child_size( width, size.y ); + const wxSize sizeThis(item->GetMinSizeWithBorder()); - if (item->GetFlag() & (wxEXPAND | wxSHAPED)) - child_size.y = m_size.y; - else if (item->GetFlag() & wxALIGN_BOTTOM) - child_pos.y += m_size.y - size.y; - else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_VERTICAL)) - // XXX wxCENTER is added for backward compatibility; - // wxALIGN_CENTER should be used in new code - child_pos.y += (m_size.y - size.y) / 2; + // adjust the size in the major direction using the proportion + wxCoord majorSize = GetSizeInMajorDir(sizeThis); - item->SetDimension( child_pos, child_size ); + // if there is not enough space, don't try to distribute negative space + // among the children, this would result in overlapping windows which + // we don't want + if ( delta > 0 ) + { + const int propItem = item->GetProportion(); + if ( propItem ) + { + const int deltaItem = (delta * propItem) / totalProportion; + + majorSize += deltaItem; - pt.x += width; + delta -= deltaItem; + totalProportion -= propItem; } } - node = node->GetNext(); - } -} - -wxSize wxBoxSizer::CalcMin() -{ - if (m_children.GetCount() == 0) - return wxSize(10,10); - m_stretchable = 0; - m_minWidth = 0; - m_minHeight = 0; - m_fixedWidth = 0; - m_fixedHeight = 0; + // apply the alignment in the minor direction + wxPoint posChild(pt); - // precalc item minsizes and count proportions - wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); - while (node) - { - wxSizerItem *item = node->GetData(); - - if ( item->IsShown() ) + wxCoord minorSize = GetSizeInMinorDir(sizeThis); + const int flag = item->GetFlag(); + if ( flag & (wxEXPAND | wxSHAPED) ) { - item->CalcMin(); // result is stored in the item - - m_stretchable += item->GetProportion(); + minorSize = totalMinorSize; + } + else if ( flag & (IsVertical() ? wxALIGN_RIGHT : wxALIGN_BOTTOM) ) + { + PosInMinorDir(posChild) += totalMinorSize - minorSize; + } + // NB: wxCENTRE is used here only for backwards compatibility, + // wxALIGN_CENTRE should be used in new code + else if ( flag & (wxCENTER | (IsVertical() ? wxALIGN_CENTRE_HORIZONTAL : wxALIGN_CENTRE_VERTICAL))) + { + PosInMinorDir(posChild) += (totalMinorSize - minorSize) / 2; } - node = node->GetNext(); - } - - // Total minimum size (width or height) of sizer - int maxMinSize = 0; - node = m_children.GetFirst(); - while (node) - { - wxSizerItem *item = node->GetData(); - - if (item->IsShown() && item->GetProportion() != 0) + // apply RTL adjustment for horizontal sizers: + if ( !IsVertical() && m_containingWindow ) { - int stretch = item->GetProportion(); - wxSize size( item->GetMinSizeWithBorder() ); - int minSize; + posChild.x = m_containingWindow->AdjustForLayoutDirection + ( + posChild.x, + majorSize, + m_size.x + ); + } - // Integer division rounded up is (a + b - 1) / b - // Round up needed in order to guarantee that all - // all items will have size not less then their min size - if (m_orient == wxHORIZONTAL) - minSize = ( size.x*m_stretchable + stretch - 1)/stretch; - else - minSize = ( size.y*m_stretchable + stretch - 1)/stretch; + // finally set size of this child and advance to the next one + item->SetDimension(posChild, SizeFromMajorMinor(majorSize, minorSize)); - if (minSize > maxMinSize) - maxMinSize = minSize; - } - node = node->GetNext(); + PosInMajorDir(pt) += majorSize; } +} - // Calculate overall minimum size - node = m_children.GetFirst(); - while (node) +wxSize wxBoxSizer::CalcMin() +{ + m_totalProportion = 0; + m_minSize = wxSize(0, 0); + + // calculate the minimal sizes for all items and count sum of proportions + for ( wxSizerItemList::const_iterator i = m_children.begin(); + i != m_children.end(); + ++i ) { - wxSizerItem *item = node->GetData(); + wxSizerItem * const item = *i; - if (item->IsShown()) - { - wxSize size( item->GetMinSizeWithBorder() ); - if (item->GetProportion() != 0) - { - if (m_orient == wxHORIZONTAL) - size.x = (maxMinSize*item->GetProportion())/m_stretchable; - else - size.y = (maxMinSize*item->GetProportion())/m_stretchable; - } - else - { - if (m_orient == wxVERTICAL) - { - m_fixedHeight += size.y; - m_fixedWidth = wxMax( m_fixedWidth, size.x ); - } - else - { - m_fixedWidth += size.x; - m_fixedHeight = wxMax( m_fixedHeight, size.y ); - } - } + if ( !item->IsShown() ) + continue; - if (m_orient == wxHORIZONTAL) - { - m_minWidth += size.x; - m_minHeight = wxMax( m_minHeight, size.y ); - } - else - { - m_minHeight += size.y; - m_minWidth = wxMax( m_minWidth, size.x ); - } - } - node = node->GetNext(); + const wxSize sizeMinThis = item->CalcMin(); + SizeInMajorDir(m_minSize) += GetSizeInMajorDir(sizeMinThis); + if ( GetSizeInMinorDir(sizeMinThis) > GetSizeInMinorDir(m_minSize) ) + SizeInMinorDir(m_minSize) = GetSizeInMinorDir(sizeMinThis); + + m_totalProportion += item->GetProportion(); } - return wxSize( m_minWidth, m_minHeight ); + return m_minSize; } //--------------------------------------------------------------------------- @@ -1678,31 +2128,33 @@ wxSize wxBoxSizer::CalcMin() #if wxUSE_STATBOX wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient ) - : wxBoxSizer( orient ) - , m_staticBox( box ) + : wxBoxSizer( orient ), + m_staticBox( box ) { wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") ); + + // do this so that our Detach() is called if the static box is destroyed + // before we are + m_staticBox->SetContainingSizer(this); } wxStaticBoxSizer::wxStaticBoxSizer(int orient, wxWindow *win, const wxString& s) : wxBoxSizer(orient), m_staticBox(new wxStaticBox(win, wxID_ANY, s)) { + // same as above + m_staticBox->SetContainingSizer(this); } -static void GetStaticBoxBorders( wxStaticBox *box, - int *borderTop, - int *borderOther) +wxStaticBoxSizer::~wxStaticBoxSizer() { - // this has to be done platform by platform as there is no way to - // guess the thickness of a wxStaticBox border - box->GetBordersForSizer(borderTop, borderOther); + delete m_staticBox; } void wxStaticBoxSizer::RecalcSizes() { int top_border, other_border; - GetStaticBoxBorders(m_staticBox, &top_border, &other_border); + m_staticBox->GetBordersForSizer(&top_border, &other_border); m_staticBox->SetSize( m_position.x, m_position.y, m_size.x, m_size.y ); @@ -1722,10 +2174,17 @@ void wxStaticBoxSizer::RecalcSizes() wxSize wxStaticBoxSizer::CalcMin() { int top_border, other_border; - GetStaticBoxBorders(m_staticBox, &top_border, &other_border); + m_staticBox->GetBordersForSizer(&top_border, &other_border); wxSize ret( wxBoxSizer::CalcMin() ); ret.x += 2*other_border; + + // ensure that we're wide enough to show the static box label (there is no + // need to check for the static box best size in vertical direction though) + const int boxWidth = m_staticBox->GetBestSize().x; + if ( ret.x < boxWidth ) + ret.x = boxWidth; + ret.y += other_border + top_border; return ret; @@ -1737,6 +2196,20 @@ void wxStaticBoxSizer::ShowItems( bool show ) wxBoxSizer::ShowItems( show ); } +bool wxStaticBoxSizer::Detach( wxWindow *window ) +{ + // avoid deleting m_staticBox in our dtor if it's being detached from the + // sizer (which can happen because it's being already destroyed for + // example) + if ( window == m_staticBox ) + { + m_staticBox = NULL; + return true; + } + + return wxSizer::Detach( window ); +} + #endif // wxUSE_STATBOX #if wxUSE_BUTTON @@ -1780,6 +2253,7 @@ void wxStdDialogButtonSizer::AddButton(wxButton *mybutton) m_buttonNegative = mybutton; break; case wxID_CANCEL: + case wxID_CLOSE: m_buttonCancel = mybutton; break; case wxID_HELP: @@ -1839,12 +2313,13 @@ void wxStdDialogButtonSizer::Realize() if (m_buttonAffirmative->GetId() == wxID_SAVE){ // these buttons have set labels under Mac so we should use them m_buttonAffirmative->SetLabel(_("Save")); - m_buttonNegative->SetLabel(_("Don't Save")); + if (m_buttonNegative) + m_buttonNegative->SetLabel(_("Don't Save")); } } // Extra space around and at the right - Add(12, 24); + Add(12, 40); #elif defined(__WXGTK20__) Add(0, 0, 0, wxLEFT, 9); if (m_buttonHelp) @@ -1857,21 +2332,44 @@ void wxStdDialogButtonSizer::Realize() Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3); } + // according to HIG, in explicit apply windows the order is: + // [ Help Apply Cancel OK ] + if (m_buttonApply) + Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3); + if (m_buttonCancel){ Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3); // Cancel or help should be default // m_buttonCancel->SetDefaultButton(); } - if (m_buttonApply) - Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3); - if (m_buttonAffirmative) Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6); +#elif defined(__WXMSW__) + // Windows + + // right-justify buttons + Add(0, 0, 1, wxEXPAND, 0); + + if (m_buttonAffirmative){ + Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonAffirmative->ConvertDialogToPixels(wxSize(2, 0)).x); + } + + if (m_buttonNegative){ + Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonNegative->ConvertDialogToPixels(wxSize(2, 0)).x); + } + + if (m_buttonCancel){ + Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonCancel->ConvertDialogToPixels(wxSize(2, 0)).x); + } + if (m_buttonApply) + Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonApply->ConvertDialogToPixels(wxSize(2, 0)).x); + + if (m_buttonHelp) + Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonHelp->ConvertDialogToPixels(wxSize(2, 0)).x); #else - // do the same thing for GTK1 and Windows platforms - // and assume any platform not accounted for here will use - // Windows style + // GTK+1 and any other platform + // Add(0, 0, 0, wxLEFT, 5); // Not sure what this was for but it unbalances the dialog if (m_buttonHelp) Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonHelp->ConvertDialogToPixels(wxSize(4, 0)).x); @@ -1900,80 +2398,3 @@ void wxStdDialogButtonSizer::Realize() } #endif // wxUSE_BUTTON - -#if WXWIN_COMPATIBILITY_2_4 - -// ---------------------------------------------------------------------------- -// wxNotebookSizer -// ---------------------------------------------------------------------------- - -#if wxUSE_BOOKCTRL -IMPLEMENT_CLASS(wxBookCtrlSizer, wxSizer) -#if wxUSE_NOTEBOOK -IMPLEMENT_CLASS(wxNotebookSizer, wxBookCtrlSizer) -#endif // wxUSE_NOTEBOOK -#endif // wxUSE_BOOKCTRL - -#if wxUSE_BOOKCTRL - -wxBookCtrlSizer::wxBookCtrlSizer(wxBookCtrlBase *bookctrl) - : m_bookctrl(bookctrl) -{ - wxASSERT_MSG( bookctrl, wxT("wxBookCtrlSizer needs a control") ); -} - -void wxBookCtrlSizer::RecalcSizes() -{ - m_bookctrl->SetSize( m_position.x, m_position.y, m_size.x, m_size.y ); -} - -wxSize wxBookCtrlSizer::CalcMin() -{ - wxSize sizeBorder = m_bookctrl->CalcSizeFromPage(wxSize(0,0)); - - sizeBorder.x += 5; - sizeBorder.y += 5; - - if ( m_bookctrl->GetPageCount() == 0 ) - { - return wxSize(sizeBorder.x + 10, sizeBorder.y + 10); - } - - int maxX = 0; - int maxY = 0; - - wxWindowList::compatibility_iterator - node = m_bookctrl->GetChildren().GetFirst(); - while (node) - { - wxWindow *item = node->GetData(); - wxSizer *itemsizer = item->GetSizer(); - - if (itemsizer) - { - wxSize subsize( itemsizer->CalcMin() ); - - if (subsize.x > maxX) - maxX = subsize.x; - if (subsize.y > maxY) - maxY = subsize.y; - } - - node = node->GetNext(); - } - - return wxSize( maxX, maxY ) + sizeBorder; -} - -#if wxUSE_NOTEBOOK - -wxNotebookSizer::wxNotebookSizer(wxNotebook *nb) -{ - wxASSERT_MSG( nb, wxT("wxNotebookSizer needs a control") ); - m_bookctrl = nb; -} - -#endif // wxUSE_NOTEBOOOK -#endif // wxUSE_BOOKCTRL - -#endif // WXWIN_COMPATIBILITY_2_4