X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c62ac5b6e49ed327d4cc2c815e2e5a05f7f5ec3c..a6c7a0f826d5e156c177b4755365c3eb33e9b933:/src/common/sizer.cpp diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp index 5649a599c9..9dfa1e376d 100644 --- a/src/common/sizer.cpp +++ b/src/common/sizer.cpp @@ -1,255 +1,1691 @@ ///////////////////////////////////////////////////////////////////////////// // Name: sizer.cpp -// Purpose: provide wxNewSizer class for layounting -// Author: Robert Roebling and Robin Dunn -// Modified by: -// Created: +// 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: $Id$ -// Copyright: (c) Robin Dunn, Dirk Holtwick and Robert Roebling +// Copyright: (c) Robin Dunn, Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __WXSIZERS_H__ -#define __WXSIZERS_H__ - -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "sizer.h" #endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifdef __BORLANDC__ + #pragma hdrstop +#endif + #include "wx/sizer.h" +#include "wx/utils.h" +#include "wx/statbox.h" +#include "wx/notebook.h" +#include + +//--------------------------------------------------------------------------- + +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_BOOKCTRL +IMPLEMENT_CLASS(wxBookCtrlSizer, wxSizer) +#if wxUSE_NOTEBOOK +IMPLEMENT_CLASS(wxNotebookSizer, wxBookCtrlSizer) +#endif // wxUSE_NOTEBOOK +#endif // wxUSE_BOOKCTRL +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 +*/ //--------------------------------------------------------------------------- -// wxNewSizerItem +// wxSizerItem //--------------------------------------------------------------------------- -wxNewSizerItem::wxNewSizerItem( int width, int height, int option ) +wxSizerItem::wxSizerItem( int width, int height, int proportion, int flag, int border, wxObject* userData ) + : m_window( NULL ) + , m_sizer( NULL ) + , m_size( wxSize( width, height ) ) // size is set directly + , m_minSize( m_size ) // minimal size is the initial size + , m_proportion( proportion ) + , m_border( border ) + , m_flag( flag ) + , m_show( true ) + , m_userData( userData ) { - m_window = (wxWindow *) NULL; - m_sizer = (wxNewSizer *) NULL; - m_minSize.x = width; - m_minSize.y = height; - m_option = option; + SetRatio( m_size ); } -wxNewSizerItem::wxNewSizerItem( wxWindow *window, int option ) +wxSizerItem::wxSizerItem( wxWindow *window, int proportion, int flag, int border, wxObject* userData ) + : m_window( window ) + , m_sizer( NULL ) + , m_minSize( window->GetSize() ) // minimal size is the initial size + , m_proportion( proportion ) + , m_border( border ) + , m_flag( flag ) + , m_show( true ) + , m_userData( userData ) { - m_window = window; - m_sizer = (wxNewSizer *) NULL; - m_minSize = window->GetSize(); - m_option = option; + // aspect ratio calculated from initial size + SetRatio( m_minSize ); + + // m_size is calculated later } -wxNewSizerItem::wxNewSizerItem( wxNewSizer *sizer, int option ) +wxSizerItem::wxSizerItem( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData ) + : m_window( NULL ) + , m_sizer( sizer ) + , m_proportion( proportion ) + , m_border( border ) + , m_flag( flag ) + , m_show( true ) + , m_ratio( 0.0 ) + , m_userData( userData ) { - m_window = (wxWindow *) NULL; - m_sizer = sizer; - m_minSize = sizer->GetSize(); - m_option = option; + // m_minSize is calculated later + // m_size is calculated later } -wxSize wxNewSizerItem::GetSize() +wxSizerItem::wxSizerItem() + : m_window( NULL ) + , m_sizer( NULL ) + , m_proportion( 0 ) + , m_border( 0 ) + , m_flag( 0 ) + , m_show( true ) + , m_ratio( 0.0 ) + , m_userData( NULL ) { - if (IsNewSizer()) - return m_sizer->GetSize(); - - if (IsWindow()) - return m_window->GetSize(); - - return m_minSize; } -wxSize wxNewSizerItem::CalcMin() +wxSizerItem::~wxSizerItem() +{ + delete m_userData; + + if ( m_window ) + { + m_window->SetContainingSizer(NULL); + } + else // we must be a sizer + { + delete m_sizer; + } +} + + +wxSize wxSizerItem::GetSize() const { - if (IsNewSizer()) - return m_sizer->CalcMin(); - + wxSize ret; + if (IsSizer()) + ret = m_sizer->GetSize(); + else if (IsWindow()) - return m_window->GetSize(); - - return m_minSize; + ret = m_window->GetSize(); + else ret = m_size; + + 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 wxNewSizerItem::SetDimension( wxPoint pos, wxSize size ) +wxSize wxSizerItem::CalcMin() { - if (IsNewSizer()) + wxSize ret; + if (IsSizer()) + { + ret = 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) && !m_ratio) + SetRatio(ret); + } + else + { + if ( IsWindow() && (m_flag & wxADJUST_MINSIZE) ) + { + // By user request, keep the minimal size for this item + // in sync with the largest of BestSize and any user supplied + // minimum size hint. Useful in cases where the item is + // changeable -- static text labels, etc. + m_minSize = m_window->GetAdjustedBestSize(); + } + + 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( wxPoint pos, wxSize 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 (IsSizer()) m_sizer->SetDimension( pos.x, pos.y, size.x, size.y ); - + if (IsWindow()) - m_window->SetSize( pos.x, pos.y, size.x, size.y ); - - m_minSize = size; + m_window->SetSize( pos.x, pos.y, size.x, size.y, wxSIZE_ALLOW_MINUS_ONE ); + + m_size = size; +} + +void wxSizerItem::DeleteWindows() +{ + if (m_window) + m_window->Destroy(); + + if (m_sizer) + m_sizer->DeleteWindows(); } -bool wxNewSizerItem::IsWindow() +bool wxSizerItem::IsWindow() const { return (m_window != NULL); } -bool wxNewSizerItem::IsNewSizer() +bool wxSizerItem::IsSizer() const { return (m_sizer != NULL); } -bool wxNewSizerItem::IsSpacer() +bool wxSizerItem::IsSpacer() const { return (m_window == NULL) && (m_sizer == NULL); } +void wxSizerItem::Show( bool show ) +{ + m_show = show; + + if( IsWindow() ) + m_window->Show( show ); + else if( IsSizer() ) + m_sizer->ShowItems( show ); + + // ... nothing else to do to hide/show spacers +} + +void wxSizerItem::SetOption( int option ) +{ + SetProportion( option ); +} + +int wxSizerItem::GetOption() const +{ + return GetProportion(); +} + + //--------------------------------------------------------------------------- -// wxNewSizer +// wxSizer //--------------------------------------------------------------------------- -wxNewSizer::wxNewSizer() +wxSizer::wxSizer() + : m_minSize( wxSize( 0, 0 ) ) +{ +} + +wxSizer::~wxSizer() +{ + WX_CLEAR_LIST(wxSizerItemList, m_children); +} + +void wxSizer::Add( wxWindow *window, int proportion, int flag, int border, wxObject* userData ) +{ + m_children.Append( new wxSizerItem( window, proportion, flag, border, userData ) ); + window->SetContainingSizer( this ); +} + +void wxSizer::Add( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData ) +{ + m_children.Append( new wxSizerItem( sizer, proportion, flag, border, userData ) ); +} + +void wxSizer::Add( int width, int height, int proportion, int flag, int border, wxObject* userData ) +{ + m_children.Append( new wxSizerItem( width, height, proportion, flag, border, userData ) ); +} + +void wxSizer::Add( wxSizerItem *item ) +{ + m_children.Append( item ); + + if( item->GetWindow() ) + item->GetWindow()->SetContainingSizer( this ); +} + +void wxSizer::Prepend( wxWindow *window, int proportion, int flag, int border, wxObject* userData ) +{ + m_children.Insert( new wxSizerItem( window, proportion, flag, border, userData ) ); + window->SetContainingSizer( this ); +} + +void wxSizer::Prepend( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData ) +{ + m_children.Insert( new wxSizerItem( sizer, proportion, flag, border, userData ) ); +} + +void wxSizer::Prepend( int width, int height, int proportion, int flag, int border, wxObject* userData ) +{ + m_children.Insert( new wxSizerItem( width, height, proportion, flag, border, userData ) ); +} + +void wxSizer::Prepend( wxSizerItem *item ) +{ + m_children.Insert( item ); + + if( item->GetWindow() ) + item->GetWindow()->SetContainingSizer( this ); +} + +void wxSizer::Insert( size_t index, + wxWindow *window, + int proportion, + int flag, + int border, + wxObject* userData ) { - m_children.DeleteContents( TRUE ); + m_children.Insert( index, + new wxSizerItem( window, proportion, flag, border, userData ) ); + window->SetContainingSizer( this ); } -wxNewSizer::~wxNewSizer() +void wxSizer::Insert( size_t index, + wxSizer *sizer, + int proportion, + int flag, + int border, + wxObject* userData ) { + m_children.Insert( index, + new wxSizerItem( sizer, proportion, flag, border, userData ) ); } - -void wxNewSizer::Add( wxWindow *window, int option ) + +void wxSizer::Insert( size_t index, + int width, + int height, + int proportion, + int flag, + int border, + wxObject* userData ) { - m_children.Append( new wxNewSizerItem( window, option ) ); + m_children.Insert( index, + new wxSizerItem( width, height, proportion, flag, border, userData ) ); } -void wxNewSizer::Add( wxNewSizer *sizer, int option ) +void wxSizer::Insert( size_t index, wxSizerItem *item ) { - m_children.Append( new wxNewSizerItem( sizer, option ) ); + m_children.Insert( index, item ); + + if( item->GetWindow() ) + item->GetWindow()->SetContainingSizer( this ); } -void wxNewSizer::Add( int width, int height, int option ) +bool wxSizer::Remove( wxWindow *window ) { - m_children.Append( new wxNewSizerItem( width, height, option ) ); + return Detach( window ); } -void wxNewSizer::Fit( wxWindow *window ) +bool wxSizer::Remove( wxSizer *sizer ) { - window->SetSize( GetMinWindowSize( window ) ); + 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 wxNewSizer::Layout() +bool wxSizer::Remove( int index ) { - m_size = CalcMin(); + 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; +} + +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::Fit( wxWindow *window ) +{ + wxSize size(window->IsTopLevel() ? FitSize(window) + : GetMinWindowSize(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() +{ + CalcMin(); RecalcSizes(); } -void wxNewSizer::SetSizeHints( wxWindow *window ) +void wxSizer::SetSizeHints( wxWindow *window ) +{ + // Preserve the window's max size hints, but set the + // lower bound according to the sizer calculations. + + wxSize size = Fit( window ); + + window->SetSizeHints( size.x, + size.y, + window->GetMaxWidth(), + window->GetMaxHeight() ); +} + +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 ); +} + +// Return a window size that will fit within the screens dimensions +wxSize wxSizer::FitSize( wxWindow *window ) +{ + wxSize size = GetMinWindowSize( window ); + wxSize sizeMax = GetMaxWindowSize( window ); + + // Limit the size if sizeMax != wxDefaultSize + + if ( size.x > sizeMax.x && sizeMax.x != -1 ) + size.x = sizeMax.x; + if ( size.y > sizeMax.y && sizeMax.y != -1 ) + size.y = sizeMax.y; + + return size; +} + +wxSize wxSizer::GetMaxClientSize( wxWindow *window ) const +{ + wxSize maxSize( window->GetMaxSize() ); + + if( maxSize != wxDefaultSize ) + { + wxSize size( window->GetSize() ); + wxSize client_size( window->GetClientSize() ); + + return wxSize( maxSize.x + client_size.x - size.x, + maxSize.y + client_size.y - size.y ); + } + else + return wxDefaultSize; +} + +wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) ) { - wxSize size( GetMinWindowSize( window ) ); - window->SetSizeHints( size.x, size.y ); + return GetMinSize(); // Already returns client size. } -wxSize wxNewSizer::GetMinWindowSize( wxWindow *window ) +wxSize wxSizer::VirtualFitSize( wxWindow *window ) { - wxSize min( GetMinSize() ); - wxSize size( window->GetSize() ); - wxSize client_size( window->GetClientSize() ); - return wxSize( min.x+size.x-client_size.x, min.y+size.y-client_size.y ); + wxSize size = GetMinClientSize( window ); + wxSize sizeMax = GetMaxClientSize( window ); + + // Limit the size if sizeMax != wxDefaultSize + + if ( size.x > sizeMax.x && sizeMax.x != -1 ) + size.x = sizeMax.x; + if ( size.y > sizeMax.y && sizeMax.y != -1 ) + size.y = sizeMax.y; + + return size; } -void wxNewSizer::SetDimension( int x, int y, int width, int height ) +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; - RecalcSizes(); + 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->SetInitSize( 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 in stored in them + item->SetInitSize( width, height ); + } + + return true; +} + +void wxSizer::Show( wxWindow *window, bool show ) +{ + wxASSERT_MSG( window, _T("Show for NULL window") ); + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetWindow() == window) + { + item->Show( show ); + break; + } + node = node->GetNext(); + } +} + +void wxSizer::Show( wxSizer *sizer, bool show ) +{ + wxASSERT_MSG( sizer, _T("Show for NULL sizer") ); + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == sizer) + { + item->Show( show ); + break; + } + node = node->GetNext(); + } +} + +void wxSizer::Show( size_t index, bool show ) +{ + wxCHECK_RET( index < m_children.GetCount(), + _T("Show index is out of range") ); + + m_children.Item( index )->GetData()->Show( show ); +} + +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(); +} + + //--------------------------------------------------------------------------- -// wxBorderNewSizer +// wxGridSizer //--------------------------------------------------------------------------- -wxBorderNewSizer::wxBorderNewSizer( int sides ) +wxGridSizer::wxGridSizer( int rows, int cols, int vgap, int hgap ) + : m_rows( rows ) + , m_cols( cols ) + , m_vgap( vgap ) + , m_hgap( hgap ) { - m_sides = sides; + if (m_rows == 0 && m_cols == 0) + m_rows = 1; } -void wxBorderNewSizer::Add( wxWindow *window, int option ) +wxGridSizer::wxGridSizer( int cols, int vgap, int hgap ) + : m_rows( 0 ) + , m_cols( cols ) + , m_vgap( vgap ) + , m_hgap( hgap ) { - wxCHECK_RET( m_children.GetCount() == 0, _T("border sizer can only hold one child") ); - - wxNewSizer::Add( window, option ); + if (m_rows == 0 && m_cols == 0) + m_rows = 1; } -void wxBorderNewSizer::Add( wxNewSizer *sizer, int option ) +int wxGridSizer::CalcRowsCols(int& nrows, int& ncols) const { - wxCHECK_RET( m_children.GetCount() == 0, _T("border sizer can only hold one child") ); - - wxNewSizer::Add( sizer, option ); + 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 wxBorderNewSizer::Add( int width, int height, int option ) +void wxGridSizer::RecalcSizes() { - wxCHECK_RET( m_children.GetCount() == 0, _T("border sizer can only hold one child") ); - - wxNewSizer::Add( width, height, option ); + 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; + } } -void wxBorderNewSizer::RecalcSizes() +wxSize wxGridSizer::CalcMin() { - wxNode *node = m_children.GetFirst(); - - if (!node) + int nrows, ncols; + if ( CalcRowsCols(nrows, ncols) == 0 ) + return wxSize(10, 10); + + // Find the max width and height for any component + int w = 0; + int h = 0; + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) { - SetDimension( m_position.x, m_position.y, 2, 2 ); + 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->CalcMin() ); + 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() ); + wxSize minsz( CalcMin() ); + + AdjustForGrowables(sz, minsz, 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); + } + y = y + m_rowHeights[r] + m_vgap; + } + 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(10, 10); + + m_rowHeights.SetCount(nrows); + m_colWidths.SetCount(ncols); + + // We have to recalcuate the sizes in case an item has wxADJUST_MINSIZE, has changed + // minimum size since the previous layout, or 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->IsShown() ) + { + wxSize sz( item->CalcMin() ); + int row = i / ncols; + int col = i % ncols; + + m_rowHeights[ row ] = wxMax( wxMax( 0, sz.y ), m_rowHeights[ row ] ); + m_colWidths[ col ] = wxMax( wxMax( 0, sz.x ), m_colWidths[ col ] ); + } + + node = node->GetNext(); + i++; + } + + AdjustForFlexDirection(); - wxNewSizerItem *item = (wxNewSizerItem*) node->Data(); - - wxSize size( m_size ); + // 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 ] + ( col == ncols-1 ? 0 : m_hgap ); + + int height = 0; + for (int row = 0; row < nrows; row++) + if ( m_rowHeights[ row ] != -1 ) + height += m_rowHeights[ row ] + ( row == nrows-1 ? 0 : m_vgap ); + + return wxSize( width, height ); +} + +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 int count = array.GetCount(); + + // find the largest value in this array + int n, 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 ) + { + 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) + m_rowHeights[ m_growableRows[idx] ] = 0; + else + { + int delta = (sz.y - minsz.y); + if (sum_proportions == 0) + delta = (delta/num) + m_rowHeights[ m_growableRows[idx] ]; + else + delta = ((delta+growable_space)*m_growableRowsProportions[idx]) / sum_proportions; + m_rowHeights[ m_growableRows[idx] ] = delta; + } + } + } + } + else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.y > minsz.y) ) + { + // 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) + m_colWidths[ m_growableCols[idx] ] = 0; + else + { + int delta = (sz.x - minsz.x); + if (sum_proportions == 0) + delta = (delta/num) + m_colWidths[ m_growableCols[idx] ]; + else + delta = ((delta+growable_space)*m_growableColsProportions[idx])/sum_proportions; + m_colWidths[ m_growableCols[idx] ] = delta; + } + } + } + } + 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::RemoveGrowableRow( size_t idx ) +{ + m_growableRows.Remove( idx ); +} + +void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion ) +{ + m_growableCols.Add( idx ); + m_growableColsProportions.Add( proportion ); +} + +void wxFlexGridSizer::RemoveGrowableCol( size_t idx ) +{ + m_growableCols.Remove( idx ); +} + +//--------------------------------------------------------------------------- +// 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 borderSize = item->GetOption(); - - if (m_sides & wxWEST) + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) { - size.x -= borderSize; - pt.x += borderSize; + wxSizerItem *item = node->GetData(); + + if (item->IsShown()) + { + wxSize size( item->CalcMin() ); + + if (m_orient == wxVERTICAL) + { + wxCoord height = size.y; + if (item->GetProportion()) + { + // Because of at least one visible item has non-zero + // proportion then m_stretchable is not zero + height = (delta * item->GetProportion()) / m_stretchable; + } + + wxPoint child_pos( pt ); + wxSize child_size( wxSize( 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()) / m_stretchable; + } + + wxPoint child_pos( pt ); + wxSize child_size( wxSize(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; + + item->SetDimension( child_pos, child_size ); + + pt.x += width; + } + } + + node = node->GetNext(); } - if (m_sides & wxEAST) +} + +wxSize wxBoxSizer::CalcMin() +{ + if (m_children.GetCount() == 0) + return wxSize(10,10); + + m_stretchable = 0; + m_minWidth = 0; + m_minHeight = 0; + m_fixedWidth = 0; + m_fixedHeight = 0; + + wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); + while (node) { - size.x -= borderSize; + wxSizerItem *item = node->GetData(); + + if (item->IsShown() && item->GetProportion() != 0) + m_stretchable += item->GetProportion(); + + node = node->GetNext(); } - if (m_sides & wxNORTH) + + // Total minimum size (width or height) of sizer + int maxMinSize = 0; + + node = m_children.GetFirst(); + while (node) { - size.y -= borderSize; - pt.y += borderSize; + wxSizerItem *item = node->GetData(); + + if (item->IsShown() && item->GetProportion() != 0) + { + int stretch = item->GetProportion(); + wxSize size( item->CalcMin() ); + 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(); } - if (m_sides & wxSOUTH) + + // Calculate overall minimum size + node = m_children.GetFirst(); + while (node) { - size.y -= borderSize; + wxSizerItem *item = node->GetData(); + + if (item->IsShown()) + { + wxSize size( item->CalcMin() ); + 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(); } - - item->SetDimension( pt, size ); + + 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") ); } -wxSize wxBorderNewSizer::CalcMin() +static void GetStaticBoxBorders( wxStaticBox *box, + int *borderTop, + int *borderOther) { - wxNode *node = m_children.GetFirst(); - - if (!node) - return wxSize(2,2); - - wxNewSizerItem *item = (wxNewSizerItem*) node->Data(); - - wxSize size( item->CalcMin() ); - - int borderSize = item->GetOption(); - - if (m_sides & wxWEST) - size.x += borderSize; - if (m_sides & wxEAST) - size.x += borderSize; - if (m_sides & wxNORTH) - size.y += borderSize; - if (m_sides & wxSOUTH) - size.y += borderSize; - - return size; + // this has to be done platform by platform as there is no way to + // guess the thickness of a wxStaticBox border +#ifdef __WXCOCOA__ + box->GetBordersForSizer(borderTop,borderOther); +#elif defined(__WXMAC__) + + static int extraTop = -1; // Uninitted + static int other = 5; + + if ( extraTop == -1 ) + { + int verMaj, verMin; + (void) ::wxGetOsVersion(&verMaj, &verMin); + + // The minimal border used for the top. Later on the staticbox' + // font height is added to this. + extraTop = 0; + + // Is the Mac OS version OS X Panther or higher? + if ( ((verMaj << 16) + verMin) >= 0x00100030 ) + { + // As indicated by the HIG, Panther needs an extra border of 11 + // pixels (otherwise overlapping occurs at the top). The "other" + // border has to be 11. + extraTop = 11; + other = 11; + } + + } + + *borderTop = extraTop + box->GetCharHeight(); + *borderOther = other; + +#else +#ifdef __WXGTK__ + if ( box->GetLabel().IsEmpty() ) + *borderTop = 5; + else +#endif // __WXGTK__ + *borderTop = box->GetCharHeight(); + + *borderOther = 5; +#endif // __WXCOCOA__ } -#endif - // __SIZERS_H__ +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; +} + +#endif // wxUSE_STATBOX + +// ---------------------------------------------------------------------------- +// wxNotebookSizer +// ---------------------------------------------------------------------------- + +#if wxUSE_BOOKCTRL + +wxBookCtrlSizer::wxBookCtrlSizer(wxBookCtrl *bookctrl) + : m_bookctrl(bookctrl) +{ + wxASSERT_MSG( bookctrl, wxT("wxBookCtrlSizer needs a control") ); +} + +void wxBookCtrlSizer::RecalcSizes() +{ + m_bookctrl->SetSize( m_position.x, m_position.y, m_size.x, m_size.y ); +} + +wxSize wxBookCtrlSizer::CalcMin() +{ + wxSize sizeBorder = m_bookctrl->CalcSizeFromPage(wxSize(0, 0)); + + sizeBorder.x += 5; + sizeBorder.y += 5; + + if ( m_bookctrl->GetPageCount() == 0 ) + { + return wxSize(sizeBorder.x + 10, sizeBorder.y + 10); + } + + int maxX = 0; + int maxY = 0; + + wxWindowList::compatibility_iterator + node = m_bookctrl->GetChildren().GetFirst(); + while (node) + { + wxWindow *item = node->GetData(); + wxSizer *itemsizer = item->GetSizer(); + + if (itemsizer) + { + wxSize subsize( itemsizer->CalcMin() ); + + if (subsize.x > maxX) + maxX = subsize.x; + if (subsize.y > maxY) + maxY = subsize.y; + } + + node = node->GetNext(); + } + + return wxSize( maxX, maxY ) + sizeBorder; +} + + +#if wxUSE_NOTEBOOK + +wxNotebookSizer::wxNotebookSizer(wxNotebook *nb) + : wxBookCtrlSizer(nb) +{ +} + +#endif // wxUSE_NOTEBOOOK +#endif // wxUSE_BOOKCTRL +