///////////////////////////////////////////////////////////////////////////// // Name: src/common/sizer.cpp // Purpose: provide new wxSizer class for layout // Author: Robert Roebling and Robin Dunn, contributions by // Dirk Holtwick, Ron Lee // Modified by: Ron Lee // Created: // RCS-ID: $Id: sizer.cpp 52359 2008-03-06 13:48:50Z VS $ // Copyright: (c) Robin Dunn, Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ #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/listimpl.cpp" #if WXWIN_COMPATIBILITY_2_4 #include "wx/notebook.h" #endif //--------------------------------------------------------------------------- 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 */ // ---------------------------------------------------------------------------- // wxSizerFlags // ---------------------------------------------------------------------------- wxSizerFlags& wxSizerFlags::ReserveSpaceEvenIfHidden() { m_flags |= wxRESERVE_SPACE_EVEN_IF_HIDDEN; return *this; } // ---------------------------------------------------------------------------- // wxSizerItem // ---------------------------------------------------------------------------- void wxSizerItem::Init(const wxSizerFlags& flags) { Init(); m_proportion = flags.GetProportion(); m_flag = flags.GetFlags(); m_border = flags.GetBorderInPixels(); } wxSizerItem::wxSizerItem() { Init(); m_proportion = 0; m_border = 0; m_flag = 0; m_kind = Item_None; } // window item void wxSizerItem::SetWindow(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); } wxSizerItem::wxSizerItem(wxWindow *window, int proportion, int flag, int border, wxObject* userData) : m_proportion(proportion), m_border(border), m_flag(flag), m_userData(userData) { SetWindow(window); } // sizer item void wxSizerItem::SetSizer(wxSizer *sizer) { m_kind = Item_Sizer; m_sizer = sizer; } wxSizerItem::wxSizerItem(wxSizer *sizer, int proportion, int flag, int border, wxObject* userData) : m_proportion(proportion), m_border(border), m_flag(flag), m_ratio(0.0), m_userData(userData) { SetSizer(sizer); // m_minSize is set later } // spacer item void wxSizerItem::SetSpacer(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_minSize(width, height), // minimal size is the initial size m_proportion(proportion), m_border(border), m_flag(flag), m_userData(userData) { SetSpacer(width, height); } wxSizerItem::~wxSizerItem() { delete m_userData; 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") ); } } wxSize wxSizerItem::GetSpacer() const { wxSize size; if ( m_kind == Item_Spacer ) size = m_spacer->GetSize(); return size; } wxSize wxSizerItem::GetSize() const { wxSize ret; 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; if (m_flag & wxEAST) ret.x += m_border; if (m_flag & wxNORTH) ret.y += m_border; if (m_flag & wxSOUTH) ret.y += m_border; return ret; } wxSize wxSizerItem::CalcMin() { if (IsSizer()) { m_minSize = m_sizer->GetMinSize(); // 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; if (m_flag & wxEAST) ret.x += m_border; if (m_flag & wxNORTH) ret.y += m_border; if (m_flag & wxSOUTH) ret.y += m_border; return ret; } 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; size.x -= m_border; } if (m_flag & wxEAST) { size.x -= m_border; } if (m_flag & wxNORTH) { pos.y += m_border; size.y -= m_border; } if (m_flag & wxSOUTH) { size.y -= m_border; } if (size.x < 0) size.x = 0; if (size.y < 0) size.y = 0; m_rect = wxRect(pos, size); switch ( m_kind ) { 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; 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") ); } } 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; case Item_Spacer: m_spacer->Show(show); break; case Item_Max: default: wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); } } bool wxSizerItem::IsShown() const { 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; } // This is a helper to support wxRESERVE_SPACE_EVEN_IF_HIDDEN. In wx 2.9+, // this flag is respected by IsShown(), but not in wx 2.8. bool wxSizerItem::ShouldAccountFor() const { if ( m_flag & wxRESERVE_SPACE_EVEN_IF_HIDDEN ) return true; if ( IsSizer() ) { // this mirrors wxSizerItem::IsShown() code above const wxSizerItemList& children = m_sizer->GetChildren(); if ( children.GetCount() == 0 ) return true; for ( wxSizerItemList::compatibility_iterator node = children.GetFirst(); node; node = node->GetNext() ) { if ( node->GetData()->ShouldAccountFor() ) return true; } return false; } else { return IsShown(); } } #if WXWIN_COMPATIBILITY_2_6 void wxSizerItem::SetOption( int option ) { SetProportion( option ); } int wxSizerItem::GetOption() const { return GetProportion(); } #endif // WXWIN_COMPATIBILITY_2_6 //--------------------------------------------------------------------------- // wxSizer //--------------------------------------------------------------------------- wxSizer::~wxSizer() { WX_CLEAR_LIST(wxSizerItemList, m_children); } wxSizerItem* wxSizer::Insert( size_t index, wxSizerItem *item ) { m_children.Insert( index, item ); if ( item->GetWindow() ) item->GetWindow()->SetContainingSizer( this ); if ( item->GetSizer() ) item->GetSizer()->SetContainingWindow( m_containingWindow ); return item; } void wxSizer::SetContainingWindow(wxWindow *win) { if ( win == m_containingWindow ) return; m_containingWindow = win; // set the same window for all nested sizers as well, they also are in the // same window for ( wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); node; node = node->GetNext() ) { wxSizerItem *const item = node->GetData(); wxSizer *const sizer = item->GetSizer(); if ( sizer ) { sizer->SetContainingWindow(win); } } } #if WXWIN_COMPATIBILITY_2_6 bool wxSizer::Remove( wxWindow *window ) { return Detach( window ); } #endif // WXWIN_COMPATIBILITY_2_6 bool wxSizer::Remove( wxSizer *sizer ) { 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; } bool wxSizer::Remove( int index ) { 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") ); wxSizerItem *item = node->GetData(); if ( item->IsWindow() ) item->GetWindow()->SetContainingSizer( NULL ); delete item; m_children.Erase( node ); return true; } bool wxSizer::Detach( wxSizer *sizer ) { wxASSERT_MSG( sizer, _T("Detaching NULL sizer") ); wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); while (node) { wxSizerItem *item = node->GetData(); if (item->GetSizer() == sizer) { item->DetachSizer(); delete item; m_children.Erase( node ); return true; } node = node->GetNext(); } return false; } bool wxSizer::Detach( wxWindow *window ) { wxASSERT_MSG( window, _T("Detaching NULL window") ); wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); while (node) { wxSizerItem *item = node->GetData(); if (item->GetWindow() == window) { item->GetWindow()->SetContainingSizer( NULL ); delete item; m_children.Erase( node ); return true; } node = node->GetNext(); } return false; } bool wxSizer::Detach( int index ) { wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(), false, _T("Detach index is out of range") ); wxSizerItemList::compatibility_iterator node = m_children.Item( index ); wxCHECK_MSG( node, false, _T("Failed to find child node") ); wxSizerItem *item = node->GetData(); 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->GetWindow()->SetContainingSizer( NULL ); item->SetWindow(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) { wxSizer *old = item->GetSizer(); item->SetSizer(newsz); delete old; 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 wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); while (node) { wxSizerItem *item = node->GetData(); if (item->IsWindow()) item->GetWindow()->SetContainingSizer( NULL ); node = node->GetNext(); } // Destroy the windows if needed if (delete_windows) DeleteWindows(); // Now empty the list WX_CLEAR_LIST(wxSizerItemList, m_children); } void wxSizer::DeleteWindows() { wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); while (node) { wxSizerItem *item = node->GetData(); item->DeleteWindows(); node = node->GetNext(); } } wxSize wxSizer::ComputeFittingWindowSize(wxWindow *window) { // take the min size by default and limit it by max size wxSize size = GetMinWindowSize(window); wxSize sizeMax = GetMaxWindowSize(window); wxTopLevelWindow *tlw = wxDynamicCast(window, wxTopLevelWindow); if ( tlw ) { // hack for small screen devices where TLWs are always full screen if ( tlw->IsAlwaysMaximized() ) { size = tlw->GetSize(); } else // normal situation { // 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(); } } if ( sizeMax.x != wxDefaultCoord && size.x > sizeMax.x ) size.x = sizeMax.x; if ( sizeMax.y != wxDefaultCoord && size.y > sizeMax.y ) size.y = sizeMax.y; return size; } wxSize wxSizer::ComputeFittingClientSize(wxWindow *window) { wxCHECK_MSG( window, wxDefaultSize, _T("window can't be NULL") ); return window->WindowToClientSize(ComputeFittingWindowSize(window)); } wxSize wxSizer::Fit( wxWindow *window ) { wxSize size = ComputeFittingWindowSize(window); window->SetSize(size); return size; } void wxSizer::FitInside( wxWindow *window ) { wxSize size; if (window->IsTopLevel()) size = VirtualFitSize( window ); else size = GetMinClientSize( window ); window->SetVirtualSize( size ); } void wxSizer::Layout() { // (re)calculates minimums needed for each item and other preparations // for layout CalcMin(); // Applies the layout and repositions/resizes the items RecalcSizes(); } void wxSizer::SetSizeHints( wxWindow *window ) { // Preserve the window's max size hints, but set the // lower bound according to the sizer calculations. // This is equivalent to calling Fit(), except that we need to set // the size hints _in between_ the two steps performed by Fit // (1. ComputeFittingWindowSize, 2. SetSize). That's because // otherwise SetSize() could have no effect if there already are // size hints in effect that forbid requested size. const wxSize size = ComputeFittingWindowSize(window); window->SetSizeHints( size.x, size.y, window->GetMaxWidth(), window->GetMaxHeight() ); window->SetSize(size); } void wxSizer::SetVirtualSizeHints( wxWindow *window ) { // Preserve the window's max size hints, but set the // lower bound according to the sizer calculations. FitInside( window ); wxSize size( window->GetVirtualSize() ); window->SetVirtualSizeHints( size.x, size.y, window->GetMaxWidth(), window->GetMaxHeight() ); } wxSize wxSizer::GetMaxWindowSize( wxWindow *window ) const { return window->GetMaxSize(); } wxSize wxSizer::GetMinWindowSize( wxWindow *window ) { wxSize minSize( GetMinSize() ); wxSize size( window->GetSize() ); wxSize client_size( window->GetClientSize() ); return wxSize( minSize.x+size.x-client_size.x, minSize.y+size.y-client_size.y ); } // 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 { wxSize maxSize( window->GetMaxSize() ); if ( maxSize != wxDefaultSize ) { wxSize size( window->GetSize() ); wxSize client_size( window->GetClientSize() ); return wxSize( maxSize.x + client_size.x - size.x, maxSize.y + client_size.y - size.y ); } else return wxDefaultSize; } wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) ) { return GetMinSize(); // Already returns client size. } wxSize wxSizer::VirtualFitSize( wxWindow *window ) { wxSize size = GetMinClientSize( window ); wxSize sizeMax = GetMaxClientSize( 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; } void wxSizer::SetDimension( int x, int y, int width, int height ) { m_position.x = x; m_position.y = y; m_size.x = width; m_size.y = height; Layout(); } wxSize wxSizer::GetMinSize() { wxSize ret( CalcMin() ); if (ret.x < m_minSize.x) ret.x = m_minSize.x; if (ret.y < m_minSize.y) ret.y = m_minSize.y; return ret; } void wxSizer::DoSetMinSize( int width, int height ) { m_minSize.x = width; m_minSize.y = height; } bool wxSizer::DoSetItemMinSize( wxWindow *window, int width, int height ) { wxASSERT_MSG( window, _T("SetMinSize for NULL window") ); // Is it our immediate child? 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(); } 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 { int nitems = m_children.GetCount(); if ( nitems) { 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(); } 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 nitems, nrows, ncols; if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) return; wxPoint pt( GetPosition() ); wxSize sz( GetSize() ); AdjustForGrowables(sz, m_calculatedMinSize, nrows, ncols); sz = wxSize( pt.x + sz.x, pt.y + sz.y ); 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 node") ); int w = wxMax( 0, wxMin( m_colWidths[c], sz.x - x ) ); int h = wxMax( 0, wxMin( m_rowHeights[r], sz.y - y ) ); SetItemBounds( node->GetData(), x, y, w, h); } if (m_rowHeights[r] != -1) y = y + m_rowHeights[r] + m_vgap; } if (m_colWidths[c] != -1) x = x + m_colWidths[c] + m_hgap; } } wxSize wxFlexGridSizer::CalcMin() { int nrows, ncols; size_t i, s; // Number of rows/columns can change as items are added or removed. if ( !CalcRowsCols(nrows, ncols) ) return wxSize(); m_rowHeights.SetCount(nrows); m_colWidths.SetCount(ncols); // We have to recalcuate 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) { wxSizerItem *item = node->GetData(); if ( item->ShouldAccountFor() ) { 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 ] ); } node = node->GetNext(); i++; } AdjustForFlexDirection(); // 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; } 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; } } } 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; // 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++; } if (num > 0) { for (idx = 0; idx < m_growableRows.GetCount(); idx++) { if (m_growableRows[idx] >= nrows ) continue; if (m_rowHeights[ m_growableRows[idx] ] != -1) { 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) ) { // rounding problem? for ( int row = 0; row < nrows; ++row ) m_rowHeights[ row ] = sz.y / nrows; } // the same logic as above but for the columns if ( sz.x > minsz.x && ( (m_flexDirection & wxHORIZONTAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) ) { 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 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 (num > 0) { for (idx = 0; idx < m_growableCols.GetCount(); idx++) { if (m_growableCols[idx] >= ncols ) continue; if (m_colWidths[ m_growableCols[idx] ] != -1) { 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; } } } } else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.x > minsz.x) ) { for ( int col=0; col < ncols; ++col ) m_colWidths[ col ] = sz.x / ncols; } } void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion ) { m_growableRows.Add( idx ); m_growableRowsProportions.Add( proportion ); } 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 ) { 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) return; int delta = 0; if (m_stretchable) { if (m_orient == wxHORIZONTAL) delta = m_size.x - m_fixedWidth; else delta = m_size.y - m_fixedHeight; } wxPoint pt( m_position ); int stretchable = m_stretchable; wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); while (node) { wxSizerItem *item = node->GetData(); if (item->ShouldAccountFor()) { wxSize size( item->GetMinSizeWithBorder() ); 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()) / stretchable; delta -= height; stretchable -= item->GetProportion(); } wxPoint child_pos( pt ); wxSize child_size( size.x, height ); 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; item->SetDimension( child_pos, child_size ); 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()) / stretchable; delta -= width; stretchable -= item->GetProportion(); } wxPoint child_pos( pt ); wxSize child_size( width, size.y ); 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; if ( m_containingWindow ) { child_pos.x = m_containingWindow->AdjustForLayoutDirection ( child_pos.x, width, m_size.x ); } item->SetDimension( child_pos, child_size ); pt.x += width; } } node = node->GetNext(); } } wxSize wxBoxSizer::CalcMin() { if (m_children.GetCount() == 0) return wxSize(); 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) { wxSizerItem *item = node->GetData(); if ( item->ShouldAccountFor() ) { item->CalcMin(); // result is stored in the item m_stretchable += item->GetProportion(); } node = node->GetNext(); } // Total minimum size (width or height) of sizer int maxMinSize = 0; node = m_children.GetFirst(); while (node) { wxSizerItem *item = node->GetData(); if (item->ShouldAccountFor() && 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(); } // Calculate overall minimum size node = m_children.GetFirst(); while (node) { wxSizerItem *item = node->GetData(); if (item->ShouldAccountFor()) { wxSize size( item->GetMinSizeWithBorder() ); if (item->GetProportion() != 0) { if (m_orient == wxHORIZONTAL) size.x = (maxMinSize*item->GetProportion())/m_stretchable; else size.y = (maxMinSize*item->GetProportion())/m_stretchable; } else { if (m_orient == wxVERTICAL) { m_fixedHeight += size.y; m_fixedWidth = wxMax( m_fixedWidth, size.x ); } else { m_fixedWidth += size.x; m_fixedHeight = wxMax( m_fixedHeight, size.y ); } } if (m_orient == wxHORIZONTAL) { m_minWidth += size.x; m_minHeight = wxMax( m_minHeight, size.y ); } else { m_minHeight += size.y; m_minWidth = wxMax( m_minWidth, size.x ); } } node = node->GetNext(); } return wxSize( m_minWidth, m_minHeight ); } //--------------------------------------------------------------------------- // 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: 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); } 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 // 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 #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 #if WXWIN_COMPATIBILITY_2_6 wxBookCtrlSizer::wxBookCtrlSizer(wxBookCtrlBase *bookctrl) : m_bookctrl(bookctrl) { wxASSERT_MSG( bookctrl, wxT("wxBookCtrlSizer needs a control") ); } #endif // WXWIN_COMPATIBILITY_2_6 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 #if WXWIN_COMPATIBILITY_2_6 wxNotebookSizer::wxNotebookSizer(wxNotebook *nb) { wxASSERT_MSG( nb, wxT("wxNotebookSizer needs a control") ); m_bookctrl = nb; } #endif // WXWIN_COMPATIBILITY_2_6 #endif // wxUSE_NOTEBOOOK #endif // wxUSE_BOOKCTRL #endif // WXWIN_COMPATIBILITY_2_4