X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e90c1d2a19361551eb07778280f22be3e759cf64..12b5f4b4d2d8a07962da7ba3b78c8c1ec2634a67:/src/common/sizer.cpp?ds=inline diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp index 48ebd0014b..375f5c2824 100644 --- a/src/common/sizer.cpp +++ b/src/common/sizer.cpp @@ -1,18 +1,15 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: sizer.cpp +// Name: src/common/sizer.cpp // Purpose: provide new wxSizer class for layout -// Author: Robert Roebling and Robin Dunn -// Modified by: +// Author: Robert Roebling and Robin Dunn, contributions by +// Dirk Holtwick, Ron Lee +// Modified by: Ron Lee // Created: // RCS-ID: $Id$ -// Copyright: (c) Robin Dunn, Dirk Holtwick and Robert Roebling +// Copyright: (c) Robin Dunn, Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "sizer.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -21,87 +18,281 @@ #endif #include "wx/sizer.h" -#include "wx/utils.h" -#include "wx/statbox.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/display.h" +#include "wx/listimpl.cpp" -IMPLEMENT_ABSTRACT_CLASS(wxSizerItem, wxObject); -IMPLEMENT_ABSTRACT_CLASS(wxSizer, wxObject); -IMPLEMENT_ABSTRACT_CLASS(wxBoxSizer, wxSizer); -IMPLEMENT_ABSTRACT_CLASS(wxStaticBoxSizer, wxBoxSizer); //--------------------------------------------------------------------------- -// wxSizerItem -//--------------------------------------------------------------------------- -wxSizerItem::wxSizerItem( int width, int height, int option, int flag, int border, wxObject* userData ) +IMPLEMENT_CLASS(wxSizerItem, wxObject) +IMPLEMENT_CLASS(wxSizer, wxObject) +IMPLEMENT_CLASS(wxGridSizer, wxSizer) +IMPLEMENT_CLASS(wxFlexGridSizer, wxGridSizer) +IMPLEMENT_CLASS(wxBoxSizer, wxSizer) +#if wxUSE_STATBOX +IMPLEMENT_CLASS(wxStaticBoxSizer, wxBoxSizer) +#endif +#if wxUSE_BUTTON +IMPLEMENT_CLASS(wxStdDialogButtonSizer, wxBoxSizer) +#endif + +WX_DEFINE_EXPORTED_LIST( wxSizerItemList ) + +/* + TODO PROPERTIES + sizeritem + object + object_ref + minsize + option + flag + border + spacer + option + flag + borfder + boxsizer + orient + staticboxsizer + orient + label + gridsizer + rows + cols + vgap + hgap + flexgridsizer + rows + cols + vgap + hgap + growablerows + growablecols + minsize +*/ + +// ---------------------------------------------------------------------------- +// 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) { - m_window = (wxWindow *) NULL; - m_sizer = (wxSizer *) NULL; - m_option = option; - m_border = border; - m_flag = flag; - m_userData = userData; + Init(); - // minimal size is the initial size - m_minSize.x = width; - m_minSize.y = height; + m_proportion = flags.GetProportion(); + m_flag = flags.GetFlags(); + m_border = flags.GetBorderInPixels(); - // size is set directly - m_size = m_minSize; + ASSERT_VALID_SIZER_FLAGS( m_flag ); } -wxSizerItem::wxSizerItem( wxWindow *window, int option, int flag, int border, wxObject* userData ) +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; - m_sizer = (wxSizer *) NULL; - m_option = option; - m_border = border; - m_flag = flag; - m_userData = userData; - // minimal size is the initial size + // window doesn't become smaller than its initial size, whatever happens m_minSize = window->GetSize(); - // size is calculated later - // m_size = ... + if ( m_flag & wxFIXED_MINSIZE ) + window->SetMinSize(m_minSize); + + // aspect ratio calculated from initial size + SetRatio(m_minSize); +} + +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) +{ + ASSERT_VALID_SIZER_FLAGS( m_flag ); + + DoSetWindow(window); } -wxSizerItem::wxSizerItem( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) +// sizer item +void wxSizerItem::DoSetSizer(wxSizer *sizer) { - m_window = (wxWindow *) NULL; + m_kind = Item_Sizer; m_sizer = sizer; - m_option = option; - m_border = border; - m_flag = flag; - m_userData = userData; +} + +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) +{ + ASSERT_VALID_SIZER_FLAGS( m_flag ); + + DoSetSizer(sizer); + + // m_minSize is set later +} - // minimal size is calculated later - // m_minSize = ... +// 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) +{ + ASSERT_VALID_SIZER_FLAGS( m_flag ); - // size is calculated later - // m_size = ... + DoSetSpacer(wxSize(width, height)); } wxSizerItem::~wxSizerItem() { - if (m_userData) - delete m_userData; - if (m_sizer) - delete m_sizer; + delete m_userData; + Free(); +} + +void wxSizerItem::Free() +{ + switch ( m_kind ) + { + 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() +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; @@ -115,21 +306,97 @@ wxSize wxSizerItem::GetSize() 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() { - wxSize ret; if (IsSizer()) - ret = m_sizer->CalcMin(); -/* - The minimum size of a window should be the - initial size, as saved in m_minSize, not the - current size. + { + m_minSize = m_sizer->GetMinSize(); - else - if (IsWindow()) - ret = m_window->GetSize(); -*/ - else ret = m_minSize; + // if we have to preserve aspect ratio _AND_ this is + // the first-time calculation, consider ret to be initial size + 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->GetEffectiveMinSize(); + } + + return GetMinSizeWithBorder(); +} + +wxSize wxSizerItem::GetMinSizeWithBorder() const +{ + wxSize ret = m_minSize; if (m_flag & wxWEST) ret.x += m_border; @@ -143,8 +410,43 @@ wxSize wxSizerItem::CalcMin() return ret; } -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 + int rwidth = (int) (size.y * m_ratio); + if (rwidth > size.x) + { + // fit horizontally + int rheight = (int) (size.x / m_ratio); + // add vertical space + if (m_flag & wxALIGN_CENTER_VERTICAL) + pos.y += (size.y - rheight) / 2; + else if (m_flag & wxALIGN_BOTTOM) + pos.y += (size.y - rheight); + // use reduced dimensions + size.y =rheight; + } + else if (rwidth < size.x) + { + // add horizontal space + if (m_flag & wxALIGN_CENTER_HORIZONTAL) + pos.x += (size.x - rwidth) / 2; + else if (m_flag & wxALIGN_RIGHT) + pos.x += (size.x - rwidth); + size.x = rwidth; + } + } + + // This is what GetPosition() returns. Since we calculate + // borders afterwards, GetPosition() will be the left/top + // corner of the surrounding border. + m_pos = pos; + if (m_flag & wxWEST) { pos.x += m_border; @@ -164,356 +466,1853 @@ 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, size); + break; + + case Item_Spacer: + m_spacer->SetSize(size); + break; + + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); + } +} + +void wxSizerItem::DeleteWindows() +{ + switch ( m_kind ) + { + 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 (IsWindow()) - m_window->SetSize( pos.x, pos.y, size.x, size.y ); +void wxSizerItem::Show( bool show ) +{ + switch ( m_kind ) + { + case Item_None: + wxFAIL_MSG( _T("can't show uninitialized sizer item") ); + break; + + case Item_Window: + m_window->Show(show); + break; + + case Item_Sizer: + m_sizer->Show(show); + break; - m_size = size; + case Item_Spacer: + m_spacer->Show(show); + break; + + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); + } } -bool wxSizerItem::IsWindow() +bool wxSizerItem::IsShown() const { - return (m_window != NULL); + if ( m_flag & wxRESERVE_SPACE_EVEN_IF_HIDDEN ) + return true; + + 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; + + case Item_Spacer: + return m_spacer->IsShown(); + + case Item_Max: + default: + wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); + } + + return false; } -bool wxSizerItem::IsSizer() +#if WXWIN_COMPATIBILITY_2_6 +void wxSizerItem::SetOption( int option ) { - return (m_sizer != NULL); + SetProportion( option ); } -bool wxSizerItem::IsSpacer() +int wxSizerItem::GetOption() const { - return (m_window == NULL) && (m_sizer == NULL); + return GetProportion(); } +#endif // WXWIN_COMPATIBILITY_2_6 + //--------------------------------------------------------------------------- // wxSizer //--------------------------------------------------------------------------- -wxSizer::wxSizer() -{ - m_children.DeleteContents( TRUE ); -} - wxSizer::~wxSizer() { + WX_CLEAR_LIST(wxSizerItemList, m_children); } -void wxSizer::Add( wxWindow *window, int option, int flag, int border, wxObject* userData ) +wxSizerItem* wxSizer::Insert( size_t index, wxSizerItem *item ) { - m_children.Append( new wxSizerItem( window, option, flag, border, userData ) ); -} + m_children.Insert( index, item ); -void wxSizer::Add( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) -{ - m_children.Append( new wxSizerItem( sizer, option, flag, border, userData ) ); + if ( item->GetWindow() ) + item->GetWindow()->SetContainingSizer( this ); + + if ( item->GetSizer() ) + item->GetSizer()->SetContainingWindow( m_containingWindow ); + + return item; } -void wxSizer::Add( int width, int height, int option, int flag, int border, wxObject* userData ) +void wxSizer::SetContainingWindow(wxWindow *win) { - m_children.Append( new wxSizerItem( width, height, option, flag, border, userData ) ); + 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); + } + } } -void wxSizer::Prepend( wxWindow *window, int option, int flag, int border, wxObject* userData ) +#if WXWIN_COMPATIBILITY_2_6 +bool wxSizer::Remove( wxWindow *window ) { - m_children.Insert( new wxSizerItem( window, option, flag, border, userData ) ); + return Detach( window ); } +#endif // WXWIN_COMPATIBILITY_2_6 -void wxSizer::Prepend( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) +bool wxSizer::Remove( wxSizer *sizer ) { - m_children.Insert( new wxSizerItem( sizer, option, flag, border, userData ) ); + wxASSERT_MSG( sizer, _T("Removing NULL sizer") ); + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == sizer) + { + delete item; + m_children.Erase( node ); + return true; + } + + node = node->GetNext(); + } + + return false; } -void wxSizer::Prepend( int width, int height, int option, int flag, int border, wxObject* userData ) +bool wxSizer::Remove( int index ) { - m_children.Insert( new wxSizerItem( width, height, option, flag, border, userData ) ); + wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(), + false, + _T("Remove index is out of range") ); + + wxSizerItemList::compatibility_iterator node = m_children.Item( index ); + + wxCHECK_MSG( node, false, _T("Failed to find child node") ); + + delete node->GetData(); + m_children.Erase( node ); + + return true; } -bool wxSizer::Remove( wxWindow *window ) +bool wxSizer::Detach( wxSizer *sizer ) { - wxASSERT( window ); + wxASSERT_MSG( sizer, _T("Detaching NULL sizer") ); - wxNode *node = m_children.First(); + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); while (node) { - wxSizerItem *item = (wxSizerItem*)node->Data(); - if (item->GetWindow() == window) - { - m_children.DeleteNode( node ); - return TRUE; - } - node = node->Next(); + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == sizer) + { + item->DetachSizer(); + delete item; + m_children.Erase( node ); + return true; + } + node = node->GetNext(); } - return FALSE; + return false; } -bool wxSizer::Remove( wxSizer *sizer ) +bool wxSizer::Detach( wxWindow *window ) { - wxASSERT( sizer ); + wxASSERT_MSG( window, _T("Detaching NULL window") ); - wxNode *node = m_children.First(); + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); while (node) { - wxSizerItem *item = (wxSizerItem*)node->Data(); - if (item->GetSizer() == sizer) - { - m_children.DeleteNode( node ); - return TRUE; - } - node = node->Next(); + wxSizerItem *item = node->GetData(); + + if (item->GetWindow() == window) + { + delete item; + m_children.Erase( node ); + return true; + } + node = node->GetNext(); } - return FALSE; + return false; } -bool wxSizer::Remove( int pos ) +bool wxSizer::Detach( int index ) { - wxNode *node = m_children.Nth( pos ); - if (!node) return FALSE; + wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(), + false, + _T("Detach index is out of range") ); - m_children.DeleteNode( node ); + wxSizerItemList::compatibility_iterator node = m_children.Item( index ); - return TRUE; -} + wxCHECK_MSG( node, false, _T("Failed to find child node") ); -void wxSizer::Fit( wxWindow *window ) -{ - window->SetSize( GetMinWindowSize( window ) ); + wxSizerItem *item = node->GetData(); + + if ( item->IsSizer() ) + item->DetachSizer(); + + delete item; + m_children.Erase( node ); + return true; } -void wxSizer::Layout() +bool wxSizer::Replace( wxWindow *oldwin, wxWindow *newwin, bool recursive ) { - CalcMin(); - RecalcSizes(); + 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; } -void wxSizer::SetSizeHints( wxWindow *window ) +bool wxSizer::Replace( wxSizer *oldsz, wxSizer *newsz, bool recursive ) { - wxSize size( GetMinWindowSize( window ) ); - window->SetSizeHints( size.x, size.y ); + 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; } -wxSize wxSizer::GetMinWindowSize( wxWindow *window ) +bool wxSizer::Replace( size_t old, wxSizerItem *newitem ) { - 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 ); + 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::SetDimension( int x, int y, int width, int height ) +void wxSizer::Clear( bool delete_windows ) { - m_position.x = x; - m_position.y = y; - m_size.x = width; - m_size.y = height; - CalcMin(); - RecalcSizes(); -} + // First clear the ContainingSizer pointers + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); -//--------------------------------------------------------------------------- -// wxBoxSizer -//--------------------------------------------------------------------------- + if (item->IsWindow()) + item->GetWindow()->SetContainingSizer( NULL ); + node = node->GetNext(); + } -wxBoxSizer::wxBoxSizer( int orient ) + // Destroy the windows if needed + if (delete_windows) + DeleteWindows(); + + // Now empty the list + WX_CLEAR_LIST(wxSizerItemList, m_children); +} + +void wxSizer::DeleteWindows() { - m_orient = orient; + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + item->DeleteWindows(); + node = node->GetNext(); + } } -void wxBoxSizer::RecalcSizes() +wxSize wxSizer::ComputeFittingClientSize(wxWindow *window) { - if (m_children.GetCount() == 0) - return; + 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; - int delta = 0; - int extra = 0; - if (m_stretchable) + wxTopLevelWindow *tlw = wxDynamicCast(window, wxTopLevelWindow); + if ( tlw ) { - if (m_orient == wxHORIZONTAL) + // hack for small screen devices where TLWs are always full screen + if ( tlw->IsAlwaysMaximized() ) { - delta = (m_size.x - m_fixedWidth) / m_stretchable; - extra = (m_size.x - m_fixedWidth) % m_stretchable; - } - else - { - delta = (m_size.y - m_fixedHeight) / m_stretchable; - extra = (m_size.y - m_fixedHeight) % m_stretchable; - } - } + 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; + } - wxPoint pt( m_position ); + sizeMax = wxDisplay(disp).GetClientArea().GetSize(); - wxNode *node = m_children.GetFirst(); - while (node) + // space for decorations and toolbars etc. + sizeMax = tlw->WindowToClientSize(sizeMax); + } + else { - wxSizerItem *item = (wxSizerItem*) node->Data(); - - int weight = 1; - if (item->GetOption()) - weight = item->GetOption(); + sizeMax = GetMaxClientSize(window); + } - wxSize size( item->CalcMin() ); + if ( sizeMax.x != wxDefaultCoord && size.x > sizeMax.x ) + size.x = sizeMax.x; + if ( sizeMax.y != wxDefaultCoord && size.y > sizeMax.y ) + size.y = sizeMax.y; - if (m_orient == wxVERTICAL) - { - long height = size.y; - if (item->GetOption()) - { - height = (delta * weight) + extra; - extra = 0; // only the first item will get the remainder as extra size - } + return size; +} - wxPoint child_pos( pt ); - wxSize child_size( wxSize( size.x, height) ); +wxSize wxSizer::ComputeFittingWindowSize(wxWindow *window) +{ + wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" ); - if (item->GetFlag() & wxALIGN_RIGHT) - child_pos.x += m_size.x - size.x; - else if (item->GetFlag() & wxCENTER) - child_pos.x += (m_size.x - size.x) / 2; - else if (item->GetFlag() & wxEXPAND) - child_size.x = m_size.x; + return window->ClientToWindowSize(ComputeFittingClientSize(window)); +} - item->SetDimension( child_pos, child_size ); +wxSize wxSizer::Fit( wxWindow *window ) +{ + wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" ); - pt.y += height; - } - else - { - long width = size.x; - if (item->GetOption()) - { - width = (delta * weight) + extra; - extra = 0; // only the first item will get the remainder as extra size - } + // set client size + window->SetClientSize(ComputeFittingClientSize(window)); - wxPoint child_pos( pt ); - wxSize child_size( wxSize(width, size.y) ); + // return entire size + return window->GetSize(); +} - if (item->GetFlag() & wxALIGN_BOTTOM) - child_pos.y += m_size.y - size.y; - else if (item->GetFlag() & wxCENTER) - child_pos.y += (m_size.y - size.y) / 2; - else if (item->GetFlag() & wxEXPAND) - child_size.y = m_size.y; +void wxSizer::FitInside( wxWindow *window ) +{ + wxSize size; + if (window->IsTopLevel()) + size = VirtualFitSize( window ); + else + size = GetMinClientSize( window ); - item->SetDimension( child_pos, child_size ); + window->SetVirtualSize( size ); +} - pt.x += width; - } +void wxSizer::Layout() +{ + // (re)calculates minimums needed for each item and other preparations + // for layout + CalcMin(); - node = node->Next(); - } + // Applies the layout and repositions/resizes the items + RecalcSizes(); } -wxSize wxBoxSizer::CalcMin() +void wxSizer::SetSizeHints( wxWindow *window ) { - if (m_children.GetCount() == 0) - return wxSize(2,2); + // Preserve the window's max size hints, but set the + // lower bound according to the sizer calculations. - m_stretchable = 0; - m_minWidth = 0; - m_minHeight = 0; - m_fixedWidth = 0; - m_fixedHeight = 0; + // 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. - wxNode *node = m_children.GetFirst(); - while (node) - { - wxSizerItem *item = (wxSizerItem*) node->Data(); - - int weight = 1; - if (item->GetOption()) - weight = item->GetOption(); - - wxSize size( item->CalcMin() ); - - if (m_orient == wxHORIZONTAL) - { - m_minWidth += (size.x * weight); - m_minHeight = wxMax( m_minHeight, size.y ); - } - else - { - m_minHeight += (size.y * weight); - m_minWidth = wxMax( m_minWidth, size.x ); - } - - if (item->GetOption()) - { - m_stretchable += weight; - } - 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 ); - } - } - - node = node->Next(); - } - - return wxSize( m_minWidth, m_minHeight ); + const wxSize clientSize = ComputeFittingClientSize(window); + + window->SetMinClientSize(clientSize); + window->SetClientSize(clientSize); } -//--------------------------------------------------------------------------- -// wxStaticBoxSizer -//--------------------------------------------------------------------------- +#if WXWIN_COMPATIBILITY_2_8 +void wxSizer::SetVirtualSizeHints( wxWindow *window ) +{ + FitInside( window ); +} +#endif // WXWIN_COMPATIBILITY_2_8 -wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient ) - : wxBoxSizer( orient ) +// 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 +wxSize wxSizer::GetMaxClientSize( wxWindow *window ) const { - wxASSERT_MSG( box, T("wxStaticBoxSizer needs a static box") ); + return window->WindowToClientSize(window->GetMaxSize()); +} - m_staticBox = box; +wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) ) +{ + return GetMinSize(); // Already returns client size. } -void wxStaticBoxSizer::RecalcSizes() +wxSize wxSizer::VirtualFitSize( wxWindow *window ) { - // this will have to be done platform by platform - // as there is no way to guess the thickness of - // a wxStaticBox border - int top_border = 15; - if (m_staticBox->GetLabel().IsEmpty()) top_border = 5; - int other_border = 5; + wxSize size = GetMinClientSize( window ); + wxSize sizeMax = GetMaxClientSize( window ); - m_staticBox->SetSize( m_position.x, m_position.y, m_size.x, m_size.y ); + // Limit the size if sizeMax != wxDefaultSize - wxPoint old_pos( m_position ); - m_position.x += other_border; - m_position.y += top_border; - wxSize old_size( m_size ); - m_size.x -= 2*other_border; - m_size.y -= top_border + other_border; + if ( size.x > sizeMax.x && sizeMax.x != wxDefaultCoord ) + size.x = sizeMax.x; + if ( size.y > sizeMax.y && sizeMax.y != wxDefaultCoord ) + size.y = sizeMax.y; - wxBoxSizer::RecalcSizes(); + return size; +} - m_position = old_pos; - m_size = old_size; +wxSize wxSizer::GetMinSize() +{ + wxSize ret( CalcMin() ); + if (ret.x < m_minSize.x) ret.x = m_minSize.x; + if (ret.y < m_minSize.y) ret.y = m_minSize.y; + return ret; } -wxSize wxStaticBoxSizer::CalcMin() +void wxSizer::DoSetMinSize( int width, int height ) +{ + m_minSize.x = width; + m_minSize.y = height; +} + +bool wxSizer::DoSetItemMinSize( wxWindow *window, int width, int height ) { - // this will have to be done platform by platform - // as there is no way to guess the thickness of - // a wxStaticBox border - int top_border = 15; - if (m_staticBox->GetLabel().IsEmpty()) top_border = 5; - int other_border = 5; + wxASSERT_MSG( window, _T("SetMinSize for NULL window") ); - wxSize ret( wxBoxSizer::CalcMin() ); - ret.x += 2*top_border; - ret.y += other_border + top_border; + // Is it our immediate child? - return ret; -} + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetWindow() == window) + { + item->SetMinSize( width, height ); + return true; + } + node = node->GetNext(); + } + + // No? Search any subsizers we own then + + node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if ( item->GetSizer() && + item->GetSizer()->DoSetItemMinSize( window, width, height ) ) + { + // A child sizer found the requested windw, exit. + return true; + } + node = node->GetNext(); + } + + return false; +} + +bool wxSizer::DoSetItemMinSize( wxSizer *sizer, int width, int height ) +{ + wxASSERT_MSG( sizer, _T("SetMinSize for NULL sizer") ); + + // Is it our immediate child? + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == sizer) + { + item->GetSizer()->DoSetMinSize( width, height ); + return true; + } + node = node->GetNext(); + } + + // No? Search any subsizers we own then + + node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if ( item->GetSizer() && + item->GetSizer()->DoSetItemMinSize( sizer, width, height ) ) + { + // A child found the requested sizer, exit. + return true; + } + node = node->GetNext(); + } + + return false; +} + +bool wxSizer::DoSetItemMinSize( size_t index, int width, int height ) +{ + wxSizerItemList::compatibility_iterator node = m_children.Item( index ); + + wxCHECK_MSG( node, false, _T("Failed to find child node") ); + + wxSizerItem *item = node->GetData(); + + if (item->GetSizer()) + { + // Sizers contains the minimal size in them, if not calculated ... + item->GetSizer()->DoSetMinSize( width, height ); + } + else + { + // ... but the minimal size of spacers and windows is stored via the item + item->SetMinSize( width, height ); + } + + return true; +} + +wxSizerItem* wxSizer::GetItem( wxWindow *window, bool recursive ) +{ + wxASSERT_MSG( window, _T("GetItem for NULL window") ); + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetWindow() == window) + { + return item; + } + else if (recursive && item->IsSizer()) + { + wxSizerItem *subitem = item->GetSizer()->GetItem( window, true ); + if (subitem) + return subitem; + } + + node = node->GetNext(); + } + + return NULL; +} + +wxSizerItem* wxSizer::GetItem( wxSizer *sizer, bool recursive ) +{ + wxASSERT_MSG( sizer, _T("GetItem for NULL sizer") ); + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == sizer) + { + return item; + } + else if (recursive && item->IsSizer()) + { + wxSizerItem *subitem = item->GetSizer()->GetItem( sizer, true ); + if (subitem) + return subitem; + } + + node = node->GetNext(); + } + + return NULL; +} + +wxSizerItem* wxSizer::GetItem( size_t index ) +{ + wxCHECK_MSG( index < m_children.GetCount(), + NULL, + _T("GetItem index is out of range") ); + + 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 ); + + if ( item ) + { + item->Show( show ); + return true; + } + + return false; +} + +bool wxSizer::Show( wxSizer *sizer, bool show, bool recursive ) +{ + wxSizerItem *item = GetItem( sizer, recursive ); + + if ( item ) + { + item->Show( show ); + return true; + } + + return false; +} + +bool wxSizer::Show( size_t index, bool show) +{ + wxSizerItem *item = GetItem( index ); + + if ( item ) + { + item->Show( show ); + return true; + } + + return false; +} + +void wxSizer::ShowItems( bool show ) +{ + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + node->GetData()->Show( show ); + node = node->GetNext(); + } +} + +bool wxSizer::IsShown( wxWindow *window ) const +{ + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetWindow() == window) + { + return item->IsShown(); + } + node = node->GetNext(); + } + + wxFAIL_MSG( _T("IsShown failed to find sizer item") ); + + return false; +} + +bool wxSizer::IsShown( wxSizer *sizer ) const +{ + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == sizer) + { + return item->IsShown(); + } + node = node->GetNext(); + } + + wxFAIL_MSG( _T("IsShown failed to find sizer item") ); + + return false; +} + +bool wxSizer::IsShown( size_t index ) const +{ + wxCHECK_MSG( index < m_children.GetCount(), + false, + _T("IsShown index is out of range") ); + + return m_children.Item( index )->GetData()->IsShown(); +} + + +//--------------------------------------------------------------------------- +// wxGridSizer +//--------------------------------------------------------------------------- + +wxGridSizer::wxGridSizer( int rows, int cols, int vgap, int hgap ) + : m_rows( ( cols == 0 && rows == 0 ) ? 1 : rows ) + , m_cols( cols ) + , m_vgap( vgap ) + , m_hgap( hgap ) +{ +} + +wxGridSizer::wxGridSizer( int cols, int vgap, int hgap ) + : m_rows( cols == 0 ? 1 : 0 ) + , m_cols( cols ) + , m_vgap( vgap ) + , m_hgap( hgap ) +{ +} + +int wxGridSizer::CalcRowsCols(int& nrows, int& ncols) const +{ + const int nitems = m_children.GetCount(); + if ( m_cols && m_rows ) + { + // if both rows and columns are specified by user, use the provided + // values even if we don't have enough items but check that we don't + // have too many of them as this is going to result in problems later + ncols = m_cols; + nrows = m_rows; + + wxASSERT_MSG( ncols*nrows >= nitems, "too many items in grid sizer" ); + } + 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; +} + +void wxGridSizer::RecalcSizes() +{ + int nitems, nrows, ncols; + if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) + return; + + wxSize sz( GetSize() ); + wxPoint pt( GetPosition() ); + + int w = (sz.x - (ncols - 1) * m_hgap) / ncols; + int h = (sz.y - (nrows - 1) * m_vgap) / nrows; + + int x = pt.x; + for (int c = 0; c < ncols; c++) + { + int y = pt.y; + for (int r = 0; r < nrows; r++) + { + int i = r * ncols + c; + if (i < nitems) + { + wxSizerItemList::compatibility_iterator node = m_children.Item( i ); + + wxASSERT_MSG( node, _T("Failed to find SizerItemList node") ); + + SetItemBounds( node->GetData(), x, y, w, h); + } + y = y + h + m_vgap; + } + x = x + w + m_hgap; + } +} + +wxSize wxGridSizer::CalcMin() +{ + int nrows, ncols; + if ( CalcRowsCols(nrows, ncols) == 0 ) + return wxSize(); + + // Find the max width and height for any component + int w = 0; + int h = 0; + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + wxSize sz( item->CalcMin() ); + + w = wxMax( w, sz.x ); + h = wxMax( h, sz.y ); + + 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 ); +} + +void wxGridSizer::SetItemBounds( wxSizerItem *item, int x, int y, int w, int h ) +{ + wxPoint pt( x,y ); + wxSize sz( item->GetMinSizeWithBorder() ); + int flag = item->GetFlag(); + + if ((flag & wxEXPAND) || (flag & wxSHAPED)) + { + sz = wxSize(w, h); + } + else + { + if (flag & wxALIGN_CENTER_HORIZONTAL) + { + pt.x = x + (w - sz.x) / 2; + } + else if (flag & wxALIGN_RIGHT) + { + pt.x = x + (w - sz.x); + } + + if (flag & wxALIGN_CENTER_VERTICAL) + { + pt.y = y + (h - sz.y) / 2; + } + else if (flag & wxALIGN_BOTTOM) + { + pt.y = y + (h - sz.y); + } + } + + item->SetDimension(pt, sz); +} + +//--------------------------------------------------------------------------- +// wxFlexGridSizer +//--------------------------------------------------------------------------- + +wxFlexGridSizer::wxFlexGridSizer( int rows, int cols, int vgap, int hgap ) + : wxGridSizer( rows, cols, vgap, hgap ), + m_flexDirection(wxBOTH), + m_growMode(wxFLEX_GROWMODE_SPECIFIED) +{ +} + +wxFlexGridSizer::wxFlexGridSizer( int cols, int vgap, int hgap ) + : wxGridSizer( cols, vgap, hgap ), + m_flexDirection(wxBOTH), + m_growMode(wxFLEX_GROWMODE_SPECIFIED) +{ +} + +wxFlexGridSizer::~wxFlexGridSizer() +{ +} + +void wxFlexGridSizer::RecalcSizes() +{ + int nrows, ncols; + if ( !CalcRowsCols(nrows, ncols) ) + return; + + const wxPoint pt(GetPosition()); + const wxSize sz(GetSize()); + + AdjustForGrowables(sz); + + wxSizerItemList::const_iterator i = m_children.begin(); + const wxSizerItemList::const_iterator end = m_children.end(); + + int y = 0; + for ( int r = 0; r < nrows; r++ ) + { + if ( m_rowHeights[r] == -1 ) + { + // this row is entirely hidden, skip it + for ( int c = 0; c < ncols; c++ ) + { + if ( i == end ) + return; + + ++i; + } + + continue; + } + + 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 ( 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; + + // Number of rows/columns can change as items are added or removed. + if ( !CalcRowsCols(nrows, ncols) ) + return wxSize(); + + + // 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); + + for ( wxSizerItemList::iterator i = m_children.begin(); + i != m_children.end(); + ++i) + { + wxSizerItem * const item = *i; + if ( item->IsShown() ) + { + item->CalcMin(); + } + } + + // 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); + + return m_calculatedMinSize; +} + +void wxFlexGridSizer::AdjustForFlexDirection() +{ + // the logic in CalcMin works when we resize flexibly in both directions + // but maybe this is not the case + if ( m_flexDirection != wxBOTH ) + { + // select the array corresponding to the direction in which we do *not* + // resize flexibly + wxArrayInt& array = m_flexDirection == wxVERTICAL ? m_colWidths + : m_rowHeights; + + const size_t count = array.GetCount(); + + // find the largest value in this array + size_t n; + int largest = 0; + + for ( n = 0; n < count; ++n ) + { + if ( array[n] > largest ) + largest = array[n]; + } + + // and now fill it with the largest value + for ( n = 0; n < count; ++n ) + { + // 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; + + // 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++ ) + { + if ( growable[idx] >= max_idx ) + continue; + + if ( sizes[ growable[idx] ] == -1 ) + continue; + + int cur_delta; + if ( sum_proportions == 0 ) + { + // 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; + } +} + +void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz) +{ + if ( (m_flexDirection & wxHORIZONTAL) || (m_growMode != wxFLEX_GROWMODE_NONE) ) + { + 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 + ); + } +} + +bool wxFlexGridSizer::IsRowGrowable( size_t idx ) +{ + return m_growableRows.Index( idx ) != wxNOT_FOUND; +} + +bool wxFlexGridSizer::IsColGrowable( size_t idx ) +{ + return m_growableCols.Index( idx ) != wxNOT_FOUND; +} + +void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion ) +{ + int nrows, ncols; + CalcRowsCols(nrows, ncols); + wxCHECK_RET( idx < (size_t)nrows, "invalid row index" ); + + wxASSERT_MSG( !IsRowGrowable( idx ), + "AddGrowableRow() called for growable row" ); + m_growableRows.Add( idx ); + m_growableRowsProportions.Add( proportion ); +} + +void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion ) +{ + int nrows, ncols; + CalcRowsCols(nrows, ncols); + wxCHECK_RET( idx < (size_t)ncols, "invalid column index" ); + + wxASSERT_MSG( !IsColGrowable( idx ), + "AddGrowableCol() called for growable column" ); + 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 ) +{ + DoRemoveFromArrays(idx, m_growableCols, m_growableColsProportions); +} + +void wxFlexGridSizer::RemoveGrowableRow( size_t idx ) +{ + DoRemoveFromArrays(idx, m_growableRows, m_growableRowsProportions); +} + +//--------------------------------------------------------------------------- +// wxBoxSizer +//--------------------------------------------------------------------------- + +void wxBoxSizer::RecalcSizes() +{ + if ( m_children.empty() ) + return; + + 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 ) + { + 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; + + + // 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 * const item = *i; + + if ( !item->IsShown() ) + continue; + + const wxSize sizeThis(item->GetMinSizeWithBorder()); + + // adjust the size in the major direction using the proportion + wxCoord majorSize = GetSizeInMajorDir(sizeThis); + + // 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; + + delta -= deltaItem; + totalProportion -= propItem; + } + } + + + // apply the alignment in the minor direction + wxPoint posChild(pt); + + 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 | (IsVertical() ? wxALIGN_CENTRE_HORIZONTAL : wxALIGN_CENTRE_VERTICAL))) + { + PosInMinorDir(posChild) += (totalMinorSize - minorSize) / 2; + } + + + // apply RTL adjustment for horizontal sizers: + if ( !IsVertical() && m_containingWindow ) + { + posChild.x = m_containingWindow->AdjustForLayoutDirection + ( + posChild.x, + majorSize, + m_size.x + ); + } + + // finally set size of this child and advance to the next one + item->SetDimension(posChild, SizeFromMajorMinor(majorSize, minorSize)); + + PosInMajorDir(pt) += majorSize; + } +} + +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 * const item = *i; + + if ( !item->IsShown() ) + continue; + + 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 m_minSize; +} + +//--------------------------------------------------------------------------- +// wxStaticBoxSizer +//--------------------------------------------------------------------------- + +#if wxUSE_STATBOX + +wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient ) + : 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, + int *borderTop, + int *borderOther) +{ + // 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); +} + +void wxStaticBoxSizer::RecalcSizes() +{ + int top_border, other_border; + GetStaticBoxBorders(m_staticBox, &top_border, &other_border); + + m_staticBox->SetSize( m_position.x, m_position.y, m_size.x, m_size.y ); + + wxPoint old_pos( m_position ); + m_position.x += other_border; + m_position.y += top_border; + wxSize old_size( m_size ); + m_size.x -= 2*other_border; + m_size.y -= top_border + other_border; + + wxBoxSizer::RecalcSizes(); + + m_position = old_pos; + m_size = old_size; +} + +wxSize wxStaticBoxSizer::CalcMin() +{ + int top_border, other_border; + GetStaticBoxBorders(m_staticBox, &top_border, &other_border); + + wxSize ret( wxBoxSizer::CalcMin() ); + ret.x += 2*other_border; + ret.y += other_border + top_border; + + return ret; +} + +void wxStaticBoxSizer::ShowItems( bool show ) +{ + m_staticBox->Show( 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 + +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; + m_buttonNegative = NULL; + m_buttonCancel = NULL; + m_buttonHelp = NULL; +} + +void wxStdDialogButtonSizer::AddButton(wxButton *mybutton) +{ + switch (mybutton->GetId()) + { + case wxID_OK: + case wxID_YES: + case wxID_SAVE: + m_buttonAffirmative = mybutton; + break; + case wxID_APPLY: + m_buttonApply = mybutton; + break; + case wxID_NO: + 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: + break; + } +} + +void wxStdDialogButtonSizer::SetAffirmativeButton( wxButton *button ) +{ + m_buttonAffirmative = button; +} + +void wxStdDialogButtonSizer::SetNegativeButton( wxButton *button ) +{ + m_buttonNegative = button; +} + +void wxStdDialogButtonSizer::SetCancelButton( wxButton *button ) +{ + m_buttonCancel = button; +} + +void wxStdDialogButtonSizer::Realize() +{ +#ifdef __WXMAC__ + Add(0, 0, 0, wxLEFT, 6); + if (m_buttonHelp) + Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6); + + if (m_buttonNegative){ + // HIG POLICE BULLETIN - destructive buttons need extra padding + // 24 pixels on either side + Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 12); + } + + // extra whitespace between help/negative and cancel/ok buttons + Add(0, 0, 1, wxEXPAND, 0); + + if (m_buttonCancel){ + Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6); + // Cancel or help should be default + // m_buttonCancel->SetDefaultButton(); + } + + // Ugh, Mac doesn't really have apply dialogs, so I'll just + // figure the best place is between Cancel and OK + if (m_buttonApply) + Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6); + + if (m_buttonAffirmative){ + Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6); + + if (m_buttonAffirmative->GetId() == wxID_SAVE){ + // these buttons have set labels under Mac so we should use them + m_buttonAffirmative->SetLabel(_("Save")); + if (m_buttonNegative) + m_buttonNegative->SetLabel(_("Don't Save")); + } + } + + // Extra space around and at the right + Add(12, 24); +#elif defined(__WXGTK20__) + Add(0, 0, 0, wxLEFT, 9); + if (m_buttonHelp) + Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3); + + // extra whitespace between help and cancel/ok buttons + Add(0, 0, 1, wxEXPAND, 0); + + if (m_buttonNegative){ + 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_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 + // 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); + + // extra whitespace between help and cancel/ok buttons + Add(0, 0, 1, wxEXPAND, 0); + + if (m_buttonApply) + Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonApply->ConvertDialogToPixels(wxSize(4, 0)).x); + + if (m_buttonAffirmative){ + Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonAffirmative->ConvertDialogToPixels(wxSize(4, 0)).x); + } + + if (m_buttonNegative){ + Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonNegative->ConvertDialogToPixels(wxSize(4, 0)).x); + } + + if (m_buttonCancel){ + 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(); + } + +#endif +} + +#endif // wxUSE_BUTTON