X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d597fcb781bf227d327191f2a8d2fdf1c20368f7..55826fcf4fd863d48ac28789d99bbb5c8a8d4c7e:/src/common/sizer.cpp diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp index 5a004dd535..18faa4a469 100644 --- a/src/common/sizer.cpp +++ b/src/common/sizer.cpp @@ -1,11 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// // 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 ///////////////////////////////////////////////////////////////////////////// @@ -22,67 +23,94 @@ #include "wx/sizer.h" #include "wx/utils.h" +#include "wx/statbox.h" +#include "wx/notebook.h" +#include //--------------------------------------------------------------------------- -// wxNewSizerItem + +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_NOTEBOOK +IMPLEMENT_CLASS(wxNotebookSizer, wxSizer) +#endif + +WX_DEFINE_EXPORTED_LIST( wxSizerItemList ); + + +//--------------------------------------------------------------------------- +// wxSizerItem //--------------------------------------------------------------------------- -wxNewSizerItem::wxNewSizerItem( int width, int height, int option, int flag, int border ) +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_option = option; - m_border = border; - m_flag = flag; - - // minimal size is the initial size - m_minSize.x = width; - m_minSize.y = height; - - // size is set directly - m_size = m_minSize; + SetRatio( m_size ); +} + +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 ) +{ + // aspect ratio calculated from initial size + SetRatio( m_minSize ); + + // m_size is calculated later } -wxNewSizerItem::wxNewSizerItem( wxWindow *window, int option, int flag, int border ) +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 = window; - m_sizer = (wxNewSizer *) NULL; - m_option = option; - m_border = border; - m_flag = flag; - - // minimal size is the initial size - m_minSize = window->GetSize(); - - // size is calculated later - // m_size = ... + // m_minSize is calculated later + // m_size is calculated later } -wxNewSizerItem::wxNewSizerItem( wxNewSizer *sizer, int option, int flag, int border ) +wxSizerItem::~wxSizerItem() { - m_window = (wxWindow *) NULL; - m_sizer = sizer; - m_option = option; - m_border = border; - m_flag = flag; - - // minimal size is calculated later - // m_minSize = ... - - // size is calculated later - // m_size = ... + if (m_userData) + delete m_userData; + if (m_sizer) + delete m_sizer; } -wxSize wxNewSizerItem::GetSize() + +wxSize wxSizerItem::GetSize() const { wxSize ret; - if (IsNewSizer()) + if (IsSizer()) ret = m_sizer->GetSize(); else if (IsWindow()) ret = m_window->GetSize(); else ret = m_size; - + if (m_flag & wxWEST) ret.x += m_border; if (m_flag & wxEAST) @@ -91,26 +119,36 @@ wxSize wxNewSizerItem::GetSize() ret.y += m_border; if (m_flag & wxSOUTH) ret.y += m_border; - + return ret; } -wxSize wxNewSizerItem::CalcMin() +wxSize wxSizerItem::CalcMin() { wxSize ret; - if (IsNewSizer()) - ret = m_sizer->CalcMin(); -/* - The minimum size of a window should be the - initial size, as saved in m_minSize, not the - current size. - + 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()) - ret = m_window->GetSize(); -*/ - else ret = m_minSize; - + { + 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) @@ -119,12 +157,44 @@ wxSize wxNewSizerItem::CalcMin() ret.y += m_border; if (m_flag & wxSOUTH) ret.y += m_border; - + return ret; } -void wxNewSizerItem::SetDimension( wxPoint pos, wxSize size ) +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; @@ -143,244 +213,1354 @@ void wxNewSizerItem::SetDimension( wxPoint pos, wxSize size ) { size.y -= m_border; } - - if (IsNewSizer()) + + 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_window->SetSize( pos.x, pos.y, size.x, size.y, wxSIZE_ALLOW_MINUS_ONE ); m_size = size; } -bool wxNewSizerItem::IsWindow() +void wxSizerItem::DeleteWindows() +{ + if (m_window) + m_window->Destroy(); + + if (m_sizer) + m_sizer->DeleteWindows(); +} + +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 ) ) +{ + m_children.DeleteContents( true ); +} + +wxSizer::~wxSizer() +{ + Clear(); +} + +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.Insert( index, + new wxSizerItem( window, proportion, flag, border, userData ) ); + window->SetContainingSizer( this ); +} + +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 wxSizer::Insert( size_t index, + int width, + int height, + int proportion, + int flag, + int border, + wxObject* userData ) +{ + m_children.Insert( index, + new wxSizerItem( width, height, proportion, flag, border, userData ) ); +} + +void wxSizer::Insert( size_t index, wxSizerItem *item ) +{ + m_children.Insert( index, item ); + + if( item->GetWindow() ) + item->GetWindow()->SetContainingSizer( this ); +} + +bool wxSizer::Remove( wxWindow *window ) { - m_children.DeleteContents( TRUE ); + return Detach( window ); +} + +bool wxSizer::Remove( wxSizer *sizer ) +{ + wxASSERT_MSG( sizer, _T("Removing NULL sizer") ); + + wxSizerItemList::Node *node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == sizer) + return m_children.DeleteNode( node ); + + 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::Node *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 ); + + return m_children.DeleteNode( node ); +} + +bool wxSizer::Detach( wxSizer *sizer ) +{ + wxASSERT_MSG( sizer, _T("Detaching NULL sizer") ); + + wxSizerItemList::Node *node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == sizer) + { + item->DetachSizer(); + return m_children.DeleteNode( node ); + } + node = node->GetNext(); + } + + return false; +} + +bool wxSizer::Detach( wxWindow *window ) +{ + wxASSERT_MSG( window, _T("Detaching NULL window") ); + + wxSizerItemList::Node *node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->GetWindow() == window) + { + item->GetWindow()->SetContainingSizer( NULL ); + return m_children.DeleteNode( node ); + } + node = node->GetNext(); + } + + return false; } -wxNewSizer::~wxNewSizer() +bool wxSizer::Detach( int index ) { + wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(), + false, + _T("Detach index is out of range") ); + + wxSizerItemList::Node *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 ); + + return m_children.DeleteNode( node ); } - -void wxNewSizer::Add( wxWindow *window, int option, int flag, int border ) + +void wxSizer::Clear( bool delete_windows ) { - m_children.Append( new wxNewSizerItem( window, option, flag, border ) ); + // First clear the ContainingSizer pointers + wxSizerItemList::Node *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 + m_children.Clear(); } -void wxNewSizer::Add( wxNewSizer *sizer, int option, int flag, int border ) +void wxSizer::DeleteWindows() { - m_children.Append( new wxNewSizerItem( sizer, option, flag, border ) ); + wxSizerItemList::Node *node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + item->DeleteWindows(); + node = node->GetNext(); + } } -void wxNewSizer::Add( int width, int height, int option, int flag, int border ) +wxSize wxSizer::Fit( wxWindow *window ) { - m_children.Append( new wxNewSizerItem( width, height, option, flag, border ) ); + wxSize size; + if (window->IsTopLevel()) + size = FitSize( window ); + else + size = GetMinWindowSize( window ); + + window->SetSize( size ); + + return size; } -void wxNewSizer::Fit( wxWindow *window ) +void wxSizer::FitInside( wxWindow *window ) { - window->SetSize( GetMinWindowSize( window ) ); + wxSize size; + if (window->IsTopLevel()) + size = VirtualFitSize( window ); + else + size = GetMinClientSize( window ); + + window->SetVirtualSize( size ); } -void wxNewSizer::Layout() +void wxSizer::Layout() { - m_size = CalcMin(); + 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 ) { - wxSize size( GetMinWindowSize( window ) ); - window->SetSizeHints( size.x, size.y ); + // 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 wxNewSizer::GetMinWindowSize( wxWindow *window ) +wxSize wxSizer::GetMinWindowSize( wxWindow *window ) { - wxSize minSize( GetMinSize() ); - wxSize size( window->GetSize() ); - wxSize client_size( window->GetClientSize() ); + 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 ); + 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) ) +{ + 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 != -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(); } -//--------------------------------------------------------------------------- -// wxBox -//--------------------------------------------------------------------------- +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; +} -wxBox::wxBox( int orient ) +void wxSizer::DoSetMinSize( int width, int height ) { - m_orient = orient; + m_minSize.x = width; + m_minSize.y = height; } -void wxBox::RecalcSizes() +bool wxSizer::DoSetItemMinSize( wxWindow *window, int width, int height ) { - if (m_children.GetCount() == 0) + wxASSERT_MSG( window, _T("SetMinSize for NULL window") ); + + // Is it our immediate child? + + wxSizerItemList::Node *node = m_children.GetFirst(); + while (node) { - SetDimension( m_position.x, m_position.y, 2, 2 ); - return; + wxSizerItem *item = node->GetData(); + + if (item->GetWindow() == window) + { + item->SetInitSize( width, height ); + return true; + } + node = node->GetNext(); } - - int delta = 0; - int extra = 0; - if (m_stretchable) + + // No? Search any subsizers we own then + + node = m_children.GetFirst(); + while (node) { - if (m_orient == wxHORIZONTAL) + wxSizerItem *item = node->GetData(); + + if ( item->GetSizer() && + item->GetSizer()->DoSetItemMinSize( window, width, height ) ) { - 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; - } + // A child sizer found the requested windw, exit. + return true; + } + node = node->GetNext(); } - - wxPoint pt( m_position ); - - wxNode *node = m_children.GetFirst(); + + 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::Node *node = m_children.GetFirst(); while (node) { - wxNewSizerItem *item = (wxNewSizerItem*) node->Data(); - - int weight = 1; - if (item->GetOption()) - weight = item->GetOption(); - - wxSize size( item->CalcMin() ); - - 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 - } - - wxPoint child_pos( pt ); - wxSize child_size( wxSize( size.x, height) ); - - 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; - - item->SetDimension( child_pos, child_size ); - - 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 - } - - wxPoint child_pos( pt ); - wxSize child_size( wxSize(width, size.y) ); - - 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; - - item->SetDimension( child_pos, child_size ); - - pt.x += width; - } - - node = node->Next(); - } -} - -wxSize wxBox::CalcMin() -{ - if (m_children.GetCount() == 0) - return wxSize(2,2); - - m_stretchable = 0; - m_minWidth = 0; - m_minHeight = 0; - m_fixedWidth = 0; - m_fixedHeight = 0; - - wxNode *node = m_children.GetFirst(); + 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) { - wxNewSizerItem *item = (wxNewSizerItem*) 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 ); + 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::Node *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::Node *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::Node *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::Node *node = m_children.GetFirst(); + while (node) + { + node->GetData()->Show( show ); + node = node->GetNext(); + } +} + +bool wxSizer::IsShown( wxWindow *window ) const +{ + wxSizerItemList::Node *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::Node *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( rows ) + , m_cols( cols ) + , m_vgap( vgap ) + , m_hgap( hgap ) +{ +} + +wxGridSizer::wxGridSizer( int cols, int vgap, int hgap ) + : m_rows( 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::Node *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 nitems, nrows, ncols; + if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) + return wxSize(10, 10); + + // Find the max width and height for any component + int w = 0; + int h = 0; + + wxSizerItemList::Node *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->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; + + wxSize sz( GetSize() ); + wxSize minsz( CalcMin() ); + wxPoint pt( GetPosition() ); + + // 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]; + // wtb 5/12/02 bugfix - was m_ColWidths[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; + } + + 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::Node *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::Node *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++; + } + + // the logic above 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; + } + } + + // 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::AddGrowableRow( size_t idx, int proportion ) +{ + m_growableRows.Add( idx ); + m_growableRowsProportions.Add( proportion ); +} + +void wxFlexGridSizer::RemoveGrowableRow( size_t WXUNUSED(idx) ) +{ +} + +void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion ) +{ + m_growableCols.Add( idx ); + m_growableColsProportions.Add( proportion ); +} + +void wxFlexGridSizer::RemoveGrowableCol( size_t WXUNUSED(idx) ) +{ +} + +//--------------------------------------------------------------------------- +// wxBoxSizer +//--------------------------------------------------------------------------- + +wxBoxSizer::wxBoxSizer( int orient ) + : m_orient( orient ) +{ +} + +void wxBoxSizer::RecalcSizes() +{ + if (m_children.GetCount() == 0) + return; + + int delta = 0; + int extra = 0; + if (m_stretchable) + { + if (m_orient == wxHORIZONTAL) + { + 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; + } + } + + wxPoint pt( m_position ); + + wxSizerItemList::Node *node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->IsShown()) + { + int weight = 1; + if (item->GetProportion()) + weight = item->GetProportion(); + + wxSize size( item->CalcMin() ); + + if (m_orient == wxVERTICAL) + { + wxCoord height = size.y; + if (item->GetProportion()) + { + height = (delta * weight) + extra; + extra = 0; // only the first item will get the remainder as extra size + } + + 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()) + { + width = (delta * weight) + extra; + extra = 0; // only the first item will get the remainder as extra size + } + + 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(); + } +} + +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; + + // Find how long each stretch unit needs to be + int stretchSize = 1; + wxSizerItemList::Node *node = m_children.GetFirst(); + + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->IsShown() && item->GetProportion() != 0) + { + int stretch = item->GetProportion(); + wxSize size( item->CalcMin() ); + int sizePerStretch; + // Integer division rounded up is (a + b - 1) / b + if (m_orient == wxHORIZONTAL) + sizePerStretch = ( size.x + stretch - 1 ) / stretch; + else + sizePerStretch = ( size.y + stretch - 1 ) / stretch; + if (sizePerStretch > stretchSize) + stretchSize = sizePerStretch; + } + node = node->GetNext(); + } + + // Calculate overall minimum size + node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); + + if (item->IsShown()) + { + m_stretchable += item->GetProportion(); + + wxSize size( item->CalcMin() ); + if (item->GetProportion() != 0) + { + if (m_orient == wxHORIZONTAL) + size.x = stretchSize * item->GetProportion(); + else + size.y = stretchSize * item->GetProportion(); + } + + 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 ); + } + + if (item->GetProportion() == 0) + { + 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->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") ); +} + +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 +#ifdef __WXCOCOA__ + box->GetBordersForSizer(borderTop,borderOther); +#else // __WXCOCOA__ +#ifdef __WXGTK__ + if ( box->GetLabel().IsEmpty() ) + *borderTop = 5; + else +#endif // __WXGTK__ + *borderTop = box->GetCharHeight(); + + *borderOther = 5; +#endif // __WXCOCOA__ +} + +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_NOTEBOOK + +wxNotebookSizer::wxNotebookSizer( wxNotebook *nb ) + : m_notebook( nb ) +{ + wxASSERT_MSG( nb, wxT("wxNotebookSizer needs a notebook") ); +} + +void wxNotebookSizer::RecalcSizes() +{ + m_notebook->SetSize( m_position.x, m_position.y, m_size.x, m_size.y ); +} + +wxSize wxNotebookSizer::CalcMin() +{ + wxSize sizeBorder = m_notebook->CalcSizeFromPage(wxSize(0, 0)); + + sizeBorder.x += 5; + sizeBorder.y += 5; + + if (m_notebook->GetChildren().GetCount() == 0) + { + return wxSize(sizeBorder.x + 10, sizeBorder.y + 10); + } + + int maxX = 0; + int maxY = 0; + + wxWindowList::Node *node = m_notebook->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; +} + +#endif // wxUSE_NOTEBOOK + +// vi:sts=4:sw=4:et