X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6c1635b598d12c8605ae98b306763fa6613653e5..29fbbf8967e4c4b3174a4bc45a9007b92ecb0de7:/src/common/sizer.cpp diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp index 27b781cf16..6030fd9f20 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" @@ -21,24 +17,22 @@ #pragma hdrstop #endif +#include "wx/display.h" +#include "wx/sizer.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/listimpl.cpp" -#include "wx/intl.h" -#if WXWIN_COMPATIBILITY_2_4 - #include "wx/notebook.h" -#endif -#ifdef __WXMAC__ -# include "wx/mac/uma.h" -#endif //--------------------------------------------------------------------------- @@ -54,7 +48,7 @@ IMPLEMENT_CLASS(wxStaticBoxSizer, wxBoxSizer) IMPLEMENT_CLASS(wxStdDialogButtonSizer, wxBoxSizer) #endif -WX_DEFINE_EXPORTED_LIST( wxSizerItemList ); +WX_DEFINE_EXPORTED_LIST( wxSizerItemList ) /* TODO PROPERTIES @@ -89,18 +83,9 @@ WX_DEFINE_EXPORTED_LIST( wxSizerItemList ); minsize */ -//--------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- // wxSizerItem -//--------------------------------------------------------------------------- - -void wxSizerItem::Init() -{ - m_window = NULL; - m_sizer = NULL; - m_show = true; - m_userData = NULL; - m_zoneRect = wxRect( 0, 0, 0, 0 ); -} +// ---------------------------------------------------------------------------- void wxSizerItem::Init(const wxSizerFlags& flags) { @@ -111,89 +96,169 @@ void wxSizerItem::Init(const wxSizerFlags& flags) m_border = flags.GetBorderInPixels(); } -wxSizerItem::wxSizerItem( int width, int height, int proportion, int flag, int border, wxObject* userData ) - : m_window( NULL ) - , m_sizer( NULL ) - , m_size( wxSize( width, height ) ) // size is set directly - , m_minSize( m_size ) // minimal size is the initial size - , m_proportion( proportion ) - , m_border( border ) - , m_flag( flag ) - , m_zoneRect( 0, 0, 0, 0 ) - , m_show( true ) - , m_userData( userData ) -{ - SetRatio( m_size ); -} - -wxSizerItem::wxSizerItem( wxWindow *window, int proportion, int flag, int border, wxObject* userData ) - : m_window( window ) - , m_sizer( NULL ) - , m_proportion( proportion ) - , m_border( border ) - , m_flag( flag ) - , m_zoneRect( 0, 0, 0, 0 ) - , m_show( true ) - , m_userData( userData ) -{ - if (flag & wxFIXED_MINSIZE) - window->SetMinSize(window->GetSize()); +wxSizerItem::wxSizerItem() +{ + Init(); + + m_proportion = 0; + m_border = 0; + m_flag = 0; + m_id = wxID_NONE; +} + +// window item +void wxSizerItem::DoSetWindow(wxWindow *window) +{ + wxCHECK_RET( window, _T("NULL window in wxSizerItem::SetWindow()") ); + + m_kind = Item_Window; + m_window = window; + + // window doesn't become smaller than its initial size, whatever happens m_minSize = window->GetSize(); + if ( m_flag & wxFIXED_MINSIZE ) + window->SetMinSize(m_minSize); + // aspect ratio calculated from initial size - SetRatio( m_minSize ); + SetRatio(m_minSize); +} - // m_size is calculated later +wxSizerItem::wxSizerItem(wxWindow *window, + int proportion, + int flag, + int border, + wxObject* userData) + : m_kind(Item_None), + m_proportion(proportion), + m_border(border), + m_flag(flag), + m_id(wxID_NONE), + m_userData(userData) +{ + DoSetWindow(window); } -wxSizerItem::wxSizerItem( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData ) - : m_window( NULL ) - , m_sizer( sizer ) - , m_proportion( proportion ) - , m_border( border ) - , m_flag( flag ) - , m_zoneRect( 0, 0, 0, 0 ) - , m_show( true ) - , m_ratio( 0.0 ) - , m_userData( userData ) +// sizer item +void wxSizerItem::DoSetSizer(wxSizer *sizer) { - // m_minSize is calculated later - // m_size is calculated later + m_kind = Item_Sizer; + m_sizer = sizer; } -wxSizerItem::wxSizerItem() +wxSizerItem::wxSizerItem(wxSizer *sizer, + int proportion, + int flag, + int border, + wxObject* userData) + : 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) { - Init(); + DoSetSizer(sizer); - m_proportion = 0; - m_border = 0; - m_flag = 0; + // m_minSize is set later +} + +// spacer item +void wxSizerItem::DoSetSpacer(const wxSize& size) +{ + m_kind = Item_Spacer; + m_spacer = new wxSizerSpacer(size); + m_minSize = size; + SetRatio(size); +} + +wxSizerItem::wxSizerItem(int width, + int height, + int proportion, + int flag, + int border, + wxObject* userData) + : 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) +{ + DoSetSpacer(wxSize(width, height)); } wxSizerItem::~wxSizerItem() { delete m_userData; + Free(); +} - if ( m_window ) - { - m_window->SetContainingSizer(NULL); - } - else // we must be a sizer +void wxSizerItem::Free() +{ + switch ( m_kind ) { - delete m_sizer; + case Item_None: + break; + + case Item_Window: + m_window->SetContainingSizer(NULL); + break; + + case Item_Sizer: + delete m_sizer; + break; + + case Item_Spacer: + delete m_spacer; + break; + + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); } + + m_kind = Item_None; +} + +wxSize wxSizerItem::GetSpacer() const +{ + wxSize size; + if ( m_kind == Item_Spacer ) + size = m_spacer->GetSize(); + + return size; } wxSize wxSizerItem::GetSize() const { wxSize ret; - if (IsSizer()) - ret = m_sizer->GetSize(); - else - if (IsWindow()) - ret = m_window->GetSize(); - else ret = m_size; + switch ( m_kind ) + { + case Item_None: + break; + + case Item_Window: + ret = m_window->GetSize(); + break; + + case Item_Sizer: + ret = m_sizer->GetSize(); + break; + + case Item_Spacer: + ret = m_spacer->GetSize(); + break; + + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); + } if (m_flag & wxWEST) ret.x += m_border; @@ -207,6 +272,73 @@ 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()) @@ -215,14 +347,14 @@ 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(); @@ -245,8 +377,10 @@ 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 @@ -298,55 +432,139 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) size.y -= m_border; } - if (IsSizer()) - m_sizer->SetDimension( pos.x, pos.y, size.x, size.y ); + if (size.x < 0) + size.x = 0; + if (size.y < 0) + size.y = 0; + + m_rect = wxRect(pos, size); + + switch ( m_kind ) + { + case Item_None: + wxFAIL_MSG( _T("can't set size of uninitialized sizer item") ); + break; + + case Item_Window: + m_window->SetSize(pos.x, pos.y, size.x, size.y, + wxSIZE_ALLOW_MINUS_ONE); + break; + + case Item_Sizer: + m_sizer->SetDimension(pos.x, pos.y, size.x, size.y); + break; - m_zoneRect = wxRect(pos, size); - if (IsWindow()) - m_window->SetSize( pos.x, pos.y, size.x, size.y, wxSIZE_ALLOW_MINUS_ONE ); + case Item_Spacer: + m_spacer->SetSize(size); + break; - m_size = size; + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); + } } void wxSizerItem::DeleteWindows() { - if (m_window) + switch ( m_kind ) { - m_window->Destroy(); - m_window = NULL; + case Item_None: + case Item_Spacer: + break; + + case Item_Window: + //We are deleting the window from this sizer - normally + //the window destroys the sizer associated with it, + //which might destroy this, which we don't want + m_window->SetContainingSizer(NULL); + m_window->Destroy(); + //Putting this after the switch will result in a spacer + //not being deleted properly on destruction + m_kind = Item_None; + break; + + case Item_Sizer: + m_sizer->DeleteWindows(); + break; + + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); } - if (m_sizer) - m_sizer->DeleteWindows(); } -bool wxSizerItem::IsWindow() const +void wxSizerItem::Show( bool show ) { - return (m_window != NULL); -} + switch ( m_kind ) + { + case Item_None: + wxFAIL_MSG( _T("can't show uninitialized sizer item") ); + break; -bool wxSizerItem::IsSizer() const -{ - return (m_sizer != NULL); -} + case Item_Window: + m_window->Show(show); + break; -bool wxSizerItem::IsSpacer() const -{ - return (m_window == NULL) && (m_sizer == NULL); + case Item_Sizer: + m_sizer->Show(show); + break; + + case Item_Spacer: + m_spacer->Show(show); + break; + + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); + } } -void wxSizerItem::Show( bool show ) +bool wxSizerItem::IsShown() const { - m_show = show; + switch ( m_kind ) + { + case Item_None: + // 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: + // 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; - if( IsWindow() ) - m_window->Show( show ); - else if( IsSizer() ) - m_sizer->ShowItems( show ); + case Item_Spacer: + return m_spacer->IsShown(); - // ... nothing else to do to hide/show spacers + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); + } + + return false; } +#if WXWIN_COMPATIBILITY_2_6 void wxSizerItem::SetOption( int option ) { SetProportion( option ); @@ -356,17 +574,13 @@ int wxSizerItem::GetOption() const { return GetProportion(); } +#endif // WXWIN_COMPATIBILITY_2_6 //--------------------------------------------------------------------------- // wxSizer //--------------------------------------------------------------------------- -wxSizer::wxSizer() - : m_minSize( wxSize( 0, 0 ) ) -{ -} - wxSizer::~wxSizer() { WX_CLEAR_LIST(wxSizerItemList, m_children); @@ -376,16 +590,44 @@ wxSizerItem* wxSizer::Insert( size_t index, wxSizerItem *item ) { m_children.Insert( index, item ); - if( item->GetWindow() ) + 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 ) { @@ -419,13 +661,9 @@ 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; } @@ -462,7 +700,6 @@ bool wxSizer::Detach( wxWindow *window ) if (item->GetWindow() == window) { - item->GetWindow()->SetContainingSizer( NULL ); delete item; m_children.Erase( node ); return true; @@ -485,16 +722,85 @@ bool wxSizer::Detach( int index ) wxSizerItem *item = node->GetData(); - if( item->IsSizer() ) + 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 @@ -530,12 +836,51 @@ void wxSizer::DeleteWindows() wxSize wxSizer::Fit( wxWindow *window ) { - wxSize size(window->IsTopLevel() ? FitSize(window) - : GetMinWindowSize(window)); + // take the min size by default and limit it by max size + wxSize size = GetMinClientSize(window); + wxSize sizeMax; - window->SetSize( size ); + wxTopLevelWindow *tlw = wxDynamicCast(window, wxTopLevelWindow); + if ( tlw ) + { + // hack for small screen devices where TLWs are always full screen + if ( tlw->IsAlwaysMaximized() ) + { + // do nothing + return tlw->GetSize(); + } - return size; + // 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. + wxSize tlw_client_size = tlw->GetClientSize(); + wxSize tlw_size = tlw->GetSize(); + sizeMax.x -= tlw_size.x - tlw_client_size.x; + sizeMax.y -= tlw_size.y - tlw_client_size.y; + } + else + { + sizeMax = GetMaxClientSize(window); + } + + if ( sizeMax.x != wxDefaultCoord && size.x > sizeMax.x ) + size.x = sizeMax.x; + if ( sizeMax.y != wxDefaultCoord && size.y > sizeMax.y ) + size.y = sizeMax.y; + + // set client size + window->SetClientSize( size ); + + // return entire size + return window->GetSize(); } void wxSizer::FitInside( wxWindow *window ) @@ -572,18 +917,12 @@ void wxSizer::SetSizeHints( wxWindow *window ) window->GetMaxHeight() ); } +#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() ); } +#endif // WXWIN_COMPATIBILITY_2_8 wxSize wxSizer::GetMaxWindowSize( wxWindow *window ) const { @@ -603,28 +942,11 @@ wxSize wxSizer::GetMinWindowSize( wxWindow *window ) // 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 ) + if ( maxSize != wxDefaultSize ) { wxSize size( window->GetSize() ); wxSize client_size( window->GetClientSize() ); @@ -838,15 +1160,42 @@ wxSizerItem* wxSizer::GetItem( size_t index ) return m_children.Item( index )->GetData(); } -bool wxSizer::Show( wxWindow *window, bool show, bool recursive ) +wxSizerItem* wxSizer::GetItemById( int id, bool recursive ) { - wxSizerItem *item = GetItem( window, 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. - if ( item ) + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) { - item->Show( show ); - return true; - } + 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 ); + + if ( item ) + { + item->Show( show ); + return true; + } return false; } @@ -940,23 +1289,19 @@ 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 @@ -1022,7 +1367,7 @@ 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; @@ -1040,6 +1385,35 @@ 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 ); } @@ -1102,105 +1476,160 @@ 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(); - - i = 0; - while (node) + 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 *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; } @@ -1215,10 +1644,12 @@ 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 ) @@ -1228,116 +1659,146 @@ 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) ) ) - { - int sum_proportions = 0; - int growable_space = 0; - int num = 0; - size_t idx; - for (idx = 0; idx < m_growableRows.GetCount(); 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 (m_growableRows[idx] >= nrows) - continue; + // total sum of proportions of all non-hidden rows + int sum_proportions = 0; - // 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++; - } + // number of currently shown growable rows + int num = 0; - if (num > 0) - { - for (idx = 0; idx < m_growableRows.GetCount(); idx++) - { - 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; - } - } - } - } - else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.y > minsz.y) ) + const int max_idx = sizes.size(); + + const size_t count = growable.size(); + size_t idx; + for ( idx = 0; idx < count; idx++ ) { - // rounding problem? - for ( int row = 0; row < nrows; ++row ) - m_rowHeights[ row ] = sz.y / nrows; + // 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++; } - // the same logic as above but for the columns - if ( sz.x > minsz.x && ( (m_flexDirection & wxHORIZONTAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) ) + 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_growableCols.GetCount(); 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 (m_growableCols[idx] >= ncols) - continue; + 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 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++; - } + if ( sizes[ growable[idx] ] == -1 ) + continue; - if (num > 0) + int cur_delta; + if ( sum_proportions == 0 ) { - 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; - } - } + // 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; + } + + sizes[growable[idx]] += cur_delta; + delta -= cur_delta; } - else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.x > minsz.x) ) +} + +void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz) +{ + if ( (m_flexDirection & wxHORIZONTAL) || (m_growMode != wxFLEX_GROWMODE_NONE) ) { - for ( int col=0; col < ncols; ++col ) - m_colWidths[ col ] = sz.x / ncols; + 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 ) + { + const int col = n % ncols; + didAdjustMinSize |= (*i)->InformFirstDirection(wxHORIZONTAL, m_colWidths[col], sz.y - m_calculatedMinSize.y); + } + + // Only redo if info was actually used + if( didAdjustMinSize ) + { + DoAdjustForGrowables + ( + sz.x - m_calculatedMinSize.x, + m_growableCols, + m_colWidths, + m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableColsProportions + : NULL + ); + } +} + + if ( (m_flexDirection & wxVERTICAL) || (m_growMode != wxFLEX_GROWMODE_NONE) ) + { + // 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 + ); } } @@ -1348,213 +1809,398 @@ void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion ) m_growableRowsProportions.Add( proportion ); } -void wxFlexGridSizer::RemoveGrowableRow( size_t idx ) -{ - m_growableRows.Remove( idx ); -} - void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion ) { 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) + const wxCoord totalMinorSize = GetSizeInMinorDir(m_size); + + // 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); + + + // 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 ) { - if (m_orient == wxHORIZONTAL) - delta = m_size.x - m_fixedWidth; - else - delta = m_size.y - m_fixedHeight; + wxSizerItem * const item = *i; + + if ( !item->IsShown() ) + continue; + + wxSize szMinPrev = item->GetMinSizeWithBorder(); + item->InformFirstDirection(m_orient^wxBOTH,totalMinorSize,delta); + wxSize szMin = item->GetMinSizeWithBorder(); + int deltaChange = GetSizeInMajorDir(szMin-szMinPrev); + if( deltaChange ) + { + // 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; - wxPoint pt( m_position ); - wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); - while (node) + // might have a new delta now + delta = GetSizeInMajorDir(m_size) - GetSizeInMajorDir(m_minSize); + + // the position at which we put the next child + wxPoint pt(m_position); + + int totalProportion = m_totalProportion; + for ( 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->IsShown() ) + continue; - 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; - } + const wxSize sizeThis(item->GetMinSizeWithBorder()); - wxPoint child_pos( pt ); - wxSize child_size( size.x, height ); + // adjust the size in the major direction using the proportion + wxCoord majorSize = GetSizeInMajorDir(sizeThis); + const int propItem = item->GetProportion(); + if ( propItem ) + { + const int deltaItem = (delta * propItem) / totalProportion; - 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; + majorSize += deltaItem; - item->SetDimension( child_pos, child_size ); + delta -= deltaItem; + totalProportion -= propItem; + } - 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; - } - wxPoint child_pos( pt ); - wxSize child_size( width, size.y ); + // apply the alignment in the minor direction + wxPoint posChild(pt); - 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; + wxCoord minorSize = GetSizeInMinorDir(sizeThis); + const int flag = item->GetFlag(); + if ( flag & (wxEXPAND | wxSHAPED) ) + { + 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 | wxALIGN_CENTRE) ) + { + PosInMinorDir(posChild) += (totalMinorSize - minorSize) / 2; + } - item->SetDimension( child_pos, child_size ); - pt.x += width; - } + // apply RTL adjustment for horizontal sizers: + if ( !IsVertical() && m_containingWindow ) + { + posChild.x = m_containingWindow->AdjustForLayoutDirection + ( + posChild.x, + majorSize, + m_size.x + ); } - node = node->GetNext(); + // finally set size of this child and advance to the next one + item->SetDimension(posChild, SizeFromMajorMinor(majorSize, minorSize)); + + PosInMajorDir(pt) += majorSize; } } wxSize wxBoxSizer::CalcMin() { - if (m_children.GetCount() == 0) - return wxSize(10,10); + m_totalProportion = 0; + m_minSize = wxSize(0, 0); - m_stretchable = 0; - m_minWidth = 0; - m_minHeight = 0; - m_fixedWidth = 0; - m_fixedHeight = 0; - - // precalc item minsizes and count proportions - wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); - while (node) + // 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()) - item->CalcMin(); // result is stored in the item + if ( !item->IsShown() ) + continue; - if (item->IsShown() && item->GetProportion() != 0) - m_stretchable += item->GetProportion(); + const wxSize sizeMinThis = item->CalcMin(); + SizeInMajorDir(m_minSize) += GetSizeInMajorDir(sizeMinThis); + if ( GetSizeInMinorDir(sizeMinThis) > GetSizeInMinorDir(m_minSize) ) + SizeInMinorDir(m_minSize) = GetSizeInMinorDir(sizeMinThis); - node = node->GetNext(); + m_totalProportion += item->GetProportion(); } - // Total minimum size (width or height) of sizer - int maxMinSize = 0; + return m_minSize; +} - node = m_children.GetFirst(); - while (node) +//--------------------------------------------------------------------------- +// wxWrapSizer +//--------------------------------------------------------------------------- + +#define wxDEFAULT_PROPORTION_LAST 1000000 + +// User data to hold old proportion for last item on line +// (which might be extended) +struct wxPropHolder : public wxObject +{ + wxPropHolder( ) : m_item(0), m_propOld(0) { } + void Init( wxSizerItem *item, int propOld ) { m_item=item; m_propOld=propOld; } + + wxSizerItem *m_item; + int m_propOld; +}; + +IMPLEMENT_DYNAMIC_CLASS(wxWrapSizer, wxBoxSizer); + +wxWrapSizer::wxWrapSizer( int orient, int flags ) + : wxBoxSizer(orient), + m_prim_size_last( -1 ), + m_rows(orient^wxBOTH), + m_flags(flags) +{ +} + +wxWrapSizer::~wxWrapSizer() +{ + // Have to clear grand child items so that they're not deleted twice + for( int ix=m_rows.GetChildren().GetCount()-1; ix>=0; ix-- ) { - wxSizerItem *item = node->GetData(); + wxSizer *psz = m_rows.GetItem((size_t)ix)->GetSizer(); + wxSizerItemList &sl = psz->GetChildren(); + while( sl.GetLast() ) + sl.Erase( sl.GetLast() ); + } +} - if (item->IsShown() && item->GetProportion() != 0) - { - int stretch = item->GetProportion(); - wxSize size( item->GetMinSizeWithBorder() ); - int minSize; - - // 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; - if (minSize > maxMinSize) - maxMinSize = minSize; - } - node = node->GetNext(); +bool wxWrapSizer::InformFirstDirection( int direction, int size, int WXUNUSED(availableOtherDir) ) +{ + if( !direction ) + { + // Better to keep value, then CalcMin will work better + //m_prim_size_last = -1; + return false; + } + if( direction==m_orient ) + { + // The direction is same as our primary, so we can make use of it + m_prim_size_last = size; + return true; } + else + return false; +} - // Calculate overall minimum size - node = m_children.GetFirst(); + +void wxWrapSizer::AdjustPropLastItem(wxSizer *psz, wxSizerItem *itemLast) +{ + wxSizerItem *psi = m_rows.GetItem(psz); + wxASSERT(psi); + wxPropHolder *pph = (wxPropHolder*)psi->GetUserData(); + if ( !pph ) + psi->SetUserData( pph=new wxPropHolder ); + + pph->Init( itemLast, itemLast->GetProportion() ); + itemLast->SetProportion( wxDEFAULT_PROPORTION_LAST ); +} + +void wxWrapSizer::RecalcSizes() +{ + wxASSERT( m_orient&wxBOTH ); + if (m_children.GetCount() == 0) + return; + + // What we do here is to put our items into child box sizers, + // as many of them as we have lines. + + // Empty all items in all rows in owned sizer. + // We have to access the list directly, since we don't want to + // destroy the wxSizerItems. + for( int ix=m_rows.GetChildren().GetCount()-1; ix>=0; ix-- ){ + wxSizerItem *psi = m_rows.GetItem( (size_t)ix ); + + // Restore proportion for last item on line (if item has not been deleted) + wxPropHolder *pph = (wxPropHolder*)psi->GetUserData(); + if( pph && GetChildren().Find(pph->m_item) ) + pph->m_item->SetProportion(pph->m_propOld); + + wxSizer *psz = psi->GetSizer(); + wxASSERT( psz ); + wxSizerItemList &sl = psz->GetChildren(); + while( sl.GetLast() ) + sl.Erase( sl.GetLast() ); + } + + int lineSumMajor = 0; + int majorSize = GetSizeInMajorDir(m_size); + + // Make sure we have at least one child sizer + m_n_line = 1; + if( !m_rows.GetChildren().GetCount() ) + m_rows.Add( new wxBoxSizer(GetOrientation()), 1, wxEXPAND ); + + // The sizer where to insert items in + wxSizer *psz = m_rows.GetItem((size_t)0)->GetSizer(); + wxASSERT( psz ); + + // Now put our child items into child sizers instead + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + wxSizerItem *item = NULL, *itemLast=NULL; while (node) { - wxSizerItem *item = node->GetData(); - - if (item->IsShown()) + item = node->GetData(); + if ( item->IsShown() ) { - wxSize size( item->GetMinSizeWithBorder() ); - if (item->GetProportion() != 0) + wxSize minSz = item->GetMinSize(); + int minSzMajor = GetSizeInMajorDir(minSz); + + // More space on this line? + if( !lineSumMajor || lineSumMajor+minSzMajor<=majorSize ) { - if (m_orient == wxHORIZONTAL) - size.x = (maxMinSize*item->GetProportion())/m_stretchable; - else - size.y = (maxMinSize*item->GetProportion())/m_stretchable; + lineSumMajor += minSzMajor; } 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 ); - } + lineSumMajor = minSzMajor; + // Get a new empty sizer to insert into + if( (int)m_rows.GetChildren().GetCount()<=m_n_line ) + m_rows.Add( new wxBoxSizer(GetOrientation()), 1, wxEXPAND ); + + // If we have extend-last-on-each-line mode, then do so now + // Note: We must store old proportion value then. + if( m_flags&wxEXTEND_LAST_ON_EACH_LINE ) + AdjustPropLastItem(psz,itemLast); + + // The sizer where to insert items in + psz = m_rows.GetItem(m_n_line++)->GetSizer(); } + itemLast = item; + psz->Add( item ); + // If item is a window, it now has a pointer to the child sizer, + // which is wrong. Set it to point to us. + if( item->GetWindow() ) + item->GetWindow()->SetContainingSizer( this ); + } + node = node->GetNext(); + } + + // If we have extend-last-on-each-line mode, then do so now + if( m_flags&wxEXTEND_LAST_ON_EACH_LINE ) + AdjustPropLastItem(psz,itemLast); - if (m_orient == wxHORIZONTAL) + // If we have more sizers than lines, remove them + while( (int)m_rows.GetChildren().GetCount()>m_n_line ) + m_rows.Remove( m_n_line ); + + // Now do layout on row sizer + m_rows.SetDimension( m_position.x, m_position.y, m_size.x, m_size.y ); + + // Remember this to next time (will be overridden by InformFirstDirection if used) + m_prim_size_last = GetSizeInMajorDir(m_size); +} + + +wxSize wxWrapSizer::CalcMin() +{ + if (m_children.GetCount() == 0) + return wxSize(); + + // Algorithm for calculating min size: (assuming horizontal orientation) + // X: Max width of all members + // Y: Based on last X, calculate how many lines needed + // First time around, assume all items fits on one line + + int maxMajor = 0; + int minorSum = 0; + int lineMaxMinor = 0; + int lineSumMajor = 0; + m_n_line = 0; + + // precalc item minsizes and fit on lines (preliminary) + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + if ( item->IsShown() ) + { + wxSize minSz = item->CalcMin(); + int szMajor = GetSizeInMajorDir(minSz); + int szMinor = GetSizeInMinorDir(minSz); + if( szMajor>maxMajor ) maxMajor = szMajor; + // More space on this line? + if( m_prim_size_last<0 || !lineSumMajor || + lineSumMajor+szMajor<=m_prim_size_last ) { - m_minWidth += size.x; - m_minHeight = wxMax( m_minHeight, size.y ); + lineSumMajor += szMajor; + if( szMinor>lineMaxMinor ) + lineMaxMinor = szMinor; } else { - m_minHeight += size.y; - m_minWidth = wxMax( m_minWidth, size.x ); + minorSum += lineMaxMinor; // Add height of highest item on last line + m_n_line++; + lineMaxMinor = szMinor; + lineSumMajor = szMajor; } } node = node->GetNext(); } + minorSum += lineMaxMinor; // Add height of highest item on last line - return wxSize( m_minWidth, m_minHeight ); + m_minSize = SizeFromMajorMinor(maxMajor, minorSum); + return m_minSize; } //--------------------------------------------------------------------------- @@ -1564,16 +2210,27 @@ 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); +} + +wxStaticBoxSizer::~wxStaticBoxSizer() +{ + delete m_staticBox; } static void GetStaticBoxBorders( wxStaticBox *box, @@ -1582,43 +2239,7 @@ static void GetStaticBoxBorders( wxStaticBox *box, { // this has to be done platform by platform as there is no way to // guess the thickness of a wxStaticBox border -#ifdef __WXCOCOA__ - box->GetBordersForSizer(borderTop,borderOther); -#elif defined(__WXMAC__) - - static int extraTop = -1; // Uninitted - static int other = 5; - - if ( extraTop == -1 ) - { - // The minimal border used for the top. Later on the staticbox' - // font height is added to this. - extraTop = 0; - - if ( UMAGetSystemVersion() >= 0x1030 /*Panther*/ ) - { - // As indicated by the HIG, Panther needs an extra border of 11 - // pixels (otherwise overlapping occurs at the top). The "other" - // border has to be 11. - extraTop = 11; - other = 11; - } - - } - - *borderTop = extraTop + box->GetCharHeight(); - *borderOther = other; - -#else -#ifdef __WXGTK__ - if ( box->GetLabel().empty() ) - *borderTop = 5; - else -#endif // __WXGTK__ - *borderTop = box->GetCharHeight(); - - *borderOther = 5; -#endif // __WXCOCOA__ + box->GetBordersForSizer(borderTop, borderOther); } void wxStaticBoxSizer::RecalcSizes() @@ -1659,6 +2280,20 @@ 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 @@ -1666,12 +2301,18 @@ void wxStaticBoxSizer::ShowItems( bool show ) wxStdDialogButtonSizer::wxStdDialogButtonSizer() : wxBoxSizer(wxHORIZONTAL) { + // Vertical buttons with lots of space on either side + // looks rubbish on WinCE, so let's not do this for now. + // If we are going to use vertical buttons, we should + // put the sizer to the right of other controls in the dialog, + // and that's beyond the scope of this sizer. +#ifndef __WXWINCE__ bool is_pda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA); - // If we have a PDA screen, put yes/no button over // all other buttons, otherwise on the left side. if (is_pda) m_orient = wxVERTICAL; +#endif m_buttonAffirmative = NULL; m_buttonApply = NULL; @@ -1696,9 +2337,11 @@ void wxStdDialogButtonSizer::AddButton(wxButton *mybutton) m_buttonNegative = mybutton; break; case wxID_CANCEL: + case wxID_CLOSE: m_buttonCancel = mybutton; break; case wxID_HELP: + case wxID_CONTEXT_HELP: m_buttonHelp = mybutton; break; default: @@ -1721,7 +2364,7 @@ void wxStdDialogButtonSizer::SetCancelButton( wxButton *button ) m_buttonCancel = button; } -void wxStdDialogButtonSizer::Finalise() +void wxStdDialogButtonSizer::Realize() { #ifdef __WXMAC__ Add(0, 0, 0, wxLEFT, 6); @@ -1754,7 +2397,8 @@ void wxStdDialogButtonSizer::Finalise() 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")); } } @@ -1772,22 +2416,45 @@ void wxStdDialogButtonSizer::Finalise() 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 - Add(0, 0, 0, wxLEFT, 9); + // 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); @@ -1806,7 +2473,7 @@ void wxStdDialogButtonSizer::Finalise() } if (m_buttonCancel){ - Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT, m_buttonCancel->ConvertDialogToPixels(wxSize(4, 0)).x); + Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonCancel->ConvertDialogToPixels(wxSize(4, 0)).x); // Cancel or help should be default // m_buttonCancel->SetDefaultButton(); } @@ -1815,80 +2482,3 @@ void wxStdDialogButtonSizer::Finalise() } #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