X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b919f007af55c6bcba975ead6177c80a317e1a4a..878711c01c1b9ad5b97d35f379a048b8ce1bfb49:/src/common/sizer.cpp diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp index 1acfd70e61..21f311e59b 100644 --- a/src/common/sizer.cpp +++ b/src/common/sizer.cpp @@ -1,11 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// // Name: sizer.cpp // Purpose: provide new wxSizer class for layout -// Author: Robert Roebling and Robin Dunn -// Modified by: +// Author: Robert Roebling and Robin Dunn, contributions by +// Dirk Holtwick, Ron Lee +// Modified by: Ron Lee // Created: // RCS-ID: $Id$ -// Copyright: (c) Robin Dunn, Dirk Holtwick and Robert Roebling +// Copyright: (c) Robin Dunn, Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -24,74 +25,71 @@ #include "wx/utils.h" #include "wx/statbox.h" #include "wx/notebook.h" +#include //--------------------------------------------------------------------------- -IMPLEMENT_ABSTRACT_CLASS(wxSizerItem, wxObject); -IMPLEMENT_ABSTRACT_CLASS(wxSizer, wxObject); -IMPLEMENT_ABSTRACT_CLASS(wxBoxSizer, wxSizer); -IMPLEMENT_ABSTRACT_CLASS(wxStaticBoxSizer, wxBoxSizer); +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_ABSTRACT_CLASS(wxNotebookSizer, wxSizer); +IMPLEMENT_CLASS(wxNotebookSizer, wxSizer) #endif +WX_DEFINE_EXPORTED_LIST( wxSizerItemList ); + + //--------------------------------------------------------------------------- // wxSizerItem //--------------------------------------------------------------------------- -wxSizerItem::wxSizerItem( int width, int height, int option, int flag, int border, wxObject* userData ) +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 = (wxSizer *) NULL; - m_option = option; - m_border = border; - m_flag = flag; - m_userData = userData; - - // minimal size is the initial size - m_minSize.x = width; - m_minSize.y = height; - - SetRatio(width, height); - - // size is set directly - m_size = m_minSize; + SetRatio( m_size ); } -wxSizerItem::wxSizerItem( wxWindow *window, int option, int flag, int border, wxObject* userData ) +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 = (wxSizer *) NULL; - m_option = option; - m_border = border; - m_flag = flag; - m_userData = userData; - - // minimal size is the initial size - m_minSize = window->GetSize(); - // aspect ratio calculated from initial size - SetRatio(m_minSize); + SetRatio( m_minSize ); - // size is calculated later - // m_size = ... + // m_size is calculated later } -wxSizerItem::wxSizerItem( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) +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_option = option; - m_border = border; - m_flag = flag; - m_userData = userData; - - // minimal size is calculated later - // m_minSize = ... - m_ratio = 0; - - // size is calculated later - // m_size = ... + // m_minSize is calculated later + // m_size is calculated later } wxSizerItem::~wxSizerItem() @@ -103,7 +101,7 @@ wxSizerItem::~wxSizerItem() } -wxSize wxSizerItem::GetSize() +wxSize wxSizerItem::GetSize() const { wxSize ret; if (IsSizer()) @@ -130,22 +128,26 @@ wxSize wxSizerItem::CalcMin() wxSize ret; if (IsSizer()) { - ret = m_sizer->CalcMin(); + 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); + if ((m_flag & wxSHAPED) && !m_ratio) + SetRatio(ret); } - -/* - The minimum size of a window should be the - initial size, as saved in m_minSize, not the - current size. - 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; @@ -161,28 +163,12 @@ wxSize wxSizerItem::CalcMin() void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) { - 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) + if (m_flag & wxSHAPED) { - size.y -= m_border; - } - if (m_flag & wxSHAPED) { // adjust aspect ratio int rwidth = (int) (size.y * m_ratio); - if (rwidth > size.x) { + if (rwidth > size.x) + { // fit horizontally int rheight = (int) (size.x / m_ratio); // add vertical space @@ -192,7 +178,9 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) pos.y += (size.y - rheight); // use reduced dimensions size.y =rheight; - } else if (rwidth < size.x) { + } + else if (rwidth < size.x) + { // add horizontal space if (m_flag & wxALIGN_CENTER_HORIZONTAL) pos.x += (size.x - rwidth) / 2; @@ -202,6 +190,30 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) } } + // 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 ); @@ -211,130 +223,315 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) m_size = size; } -bool wxSizerItem::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 wxSizerItem::IsSizer() +bool wxSizerItem::IsSizer() const { return (m_sizer != NULL); } -bool wxSizerItem::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(); +} + + //--------------------------------------------------------------------------- // wxSizer //--------------------------------------------------------------------------- wxSizer::wxSizer() + : m_minSize( wxSize( 0, 0 ) ) { - m_children.DeleteContents( TRUE ); + 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( wxWindow *window, int option, int flag, int border, wxObject* userData ) +void wxSizer::Add( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData ) { - m_children.Append( new wxSizerItem( window, option, flag, border, userData ) ); + m_children.Append( new wxSizerItem( sizer, proportion, flag, border, userData ) ); } -void wxSizer::Add( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) +void wxSizer::Add( int width, int height, int proportion, int flag, int border, wxObject* userData ) { - m_children.Append( new wxSizerItem( sizer, option, flag, border, userData ) ); + m_children.Append( new wxSizerItem( width, height, proportion, flag, border, userData ) ); } -void wxSizer::Add( int width, int height, int option, int flag, int border, wxObject* userData ) +void wxSizer::Add( wxSizerItem *item ) { - m_children.Append( new wxSizerItem( width, height, option, flag, border, userData ) ); + m_children.Append( item ); + + if( item->GetWindow() ) + item->GetWindow()->SetContainingSizer( this ); } -void wxSizer::Prepend( wxWindow *window, int option, int flag, int border, wxObject* userData ) +void wxSizer::Prepend( wxWindow *window, int proportion, int flag, int border, wxObject* userData ) { - m_children.Insert( new wxSizerItem( window, option, flag, border, userData ) ); + m_children.Insert( new wxSizerItem( window, proportion, flag, border, userData ) ); + window->SetContainingSizer( this ); } -void wxSizer::Prepend( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) +void wxSizer::Prepend( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData ) { - m_children.Insert( new wxSizerItem( sizer, option, flag, border, userData ) ); + m_children.Insert( new wxSizerItem( sizer, proportion, flag, border, userData ) ); } -void wxSizer::Prepend( int width, int height, int option, int flag, int border, wxObject* userData ) +void wxSizer::Prepend( int width, int height, int proportion, int flag, int border, wxObject* userData ) { - m_children.Insert( new wxSizerItem( width, height, option, flag, border, userData ) ); + m_children.Insert( new wxSizerItem( width, height, proportion, flag, border, userData ) ); } -void wxSizer::Insert( int before, wxWindow *window, int option, int flag, int border, wxObject* userData ) +void wxSizer::Prepend( wxSizerItem *item ) { - m_children.Insert( before, new wxSizerItem( window, option, flag, border, userData ) ); + m_children.Insert( item ); + + if( item->GetWindow() ) + item->GetWindow()->SetContainingSizer( this ); } -void wxSizer::Insert( int before, wxSizer *sizer, int option, int flag, int border, wxObject* userData ) +void wxSizer::Insert( size_t index, + wxWindow *window, + int proportion, + int flag, + int border, + wxObject* userData ) { - m_children.Insert( before, new wxSizerItem( sizer, option, flag, border, userData ) ); + m_children.Insert( index, + new wxSizerItem( window, proportion, flag, border, userData ) ); + window->SetContainingSizer( this ); } -void wxSizer::Insert( int before, int width, int height, int option, int flag, int border, wxObject* userData ) +void wxSizer::Insert( size_t index, + wxSizer *sizer, + int proportion, + int flag, + int border, + wxObject* userData ) { - m_children.Insert( before, new wxSizerItem( width, height, option, flag, border, 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 ) { - wxASSERT( window ); + return Detach( window ); +} + +bool wxSizer::Remove( wxSizer *sizer ) +{ + wxASSERT_MSG( sizer, _T("Removing NULL sizer") ); - wxNode *node = m_children.First(); + wxSizerItemList::Node *node = m_children.GetFirst(); while (node) { - wxSizerItem *item = (wxSizerItem*)node->Data(); - if (item->GetWindow() == window) - { - m_children.DeleteNode( node ); - return TRUE; - } - node = node->Next(); + wxSizerItem *item = node->GetData(); + + if (item->GetSizer() == sizer) + return m_children.DeleteNode( node ); + + node = node->GetNext(); } - return FALSE; + return false; } -bool wxSizer::Remove( wxSizer *sizer ) +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; +} + +bool wxSizer::Detach( int index ) { - wxASSERT( sizer ); + 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 ); - wxNode *node = m_children.First(); + return m_children.DeleteNode( node ); +} + +void wxSizer::Clear( bool delete_windows ) +{ + // First clear the ContainingSizer pointers + wxSizerItemList::Node *node = m_children.GetFirst(); while (node) { - wxSizerItem *item = (wxSizerItem*)node->Data(); - if (item->GetSizer() == sizer) - { - m_children.DeleteNode( node ); - return TRUE; - } - node = node->Next(); + wxSizerItem *item = node->GetData(); + + if (item->IsWindow()) + item->GetWindow()->SetContainingSizer( NULL ); + node = node->GetNext(); } - return FALSE; + // Destroy the windows if needed + if (delete_windows) + DeleteWindows(); + + // Now empty the list + m_children.Clear(); } -bool wxSizer::Remove( int pos ) +void wxSizer::DeleteWindows() { - wxNode *node = m_children.Nth( pos ); - if (!node) return FALSE; + wxSizerItemList::Node *node = m_children.GetFirst(); + while (node) + { + wxSizerItem *item = node->GetData(); - m_children.DeleteNode( node ); + item->DeleteWindows(); + node = node->GetNext(); + } +} + +wxSize wxSizer::Fit( wxWindow *window ) +{ + wxSize size; + if (window->IsTopLevel()) + size = FitSize( window ); + else + size = GetMinWindowSize( window ); - return TRUE; + window->SetSize( size ); + + return size; } -void wxSizer::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 wxSizer::Layout() @@ -345,27 +542,703 @@ void wxSizer::Layout() void wxSizer::SetSizeHints( 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. + + 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() ); + 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) ) +{ + 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 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; - CalcMin(); - 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::Node *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::Node *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::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() ); + int delta; + size_t idx, num; + wxArrayInt temp; + wxArrayInt temp_proportions; + int sum_proportions = 0; + int growable_space = 0; + + // what to do with the rows? by default, resize them proportionally + if ( (m_flexDirection & wxVERTICAL) || + (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) + { + // Transfer only those rows into temp which exist in the sizer + // ignoring the superfluous ones. This prevents a segfault when + // calling AddGrowableRow( 3 ) if the sizer only has 2 rows. + for (idx = 0; idx < m_growableRows.GetCount(); idx++) + { + if (m_growableRows[idx] < nrows) + { + temp.Add( m_growableRows[idx] ); + temp_proportions.Add( m_growableRowsProportions[idx] ); + sum_proportions += m_growableRowsProportions[idx]; + growable_space += m_rowHeights[ temp[idx] ]; + } + } + + num = temp.GetCount(); + + if ((num > 0) && (sz.y > minsz.y)) + { + for (idx = 0; idx < num; idx++) + { + delta = (sz.y - minsz.y); + if (sum_proportions == 0) + delta = (delta/num) + m_rowHeights[ temp[idx] ]; + else + delta = ((delta+growable_space)*temp_proportions[idx])/ + sum_proportions; + m_rowHeights[ temp[idx] ] = delta; + } + } + temp.Empty(); + temp_proportions.Empty(); + sum_proportions = 0; + growable_space = 0; + } + 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 ( (m_flexDirection & wxHORIZONTAL) || + (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) + { + // See above + for (idx = 0; idx < m_growableCols.GetCount(); idx++) + { + if (m_growableCols[idx] < ncols) + { + temp.Add( m_growableCols[idx] ); + temp_proportions.Add( m_growableColsProportions[idx] ); + sum_proportions += m_growableColsProportions[idx]; + growable_space += m_colWidths[idx]; + } + } + + num = temp.GetCount(); + + if ((num > 0) && (sz.x > minsz.x)) + { + for (idx = 0; idx < num; idx++) + { + delta = (sz.x - minsz.x); + if (sum_proportions == 0) + delta = (delta/num) + m_colWidths[ temp[idx] ]; + else + delta = ((delta+growable_space)*temp_proportions[idx])/ + sum_proportions; + m_colWidths[ temp[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; + + if ( !CalcRowsCols(nrows, ncols) ) + return wxSize(10, 10); + + // We have to clear the old sizes out if any item has wxADJUST_MINSIZE + // set on it. Its probably quicker to just always do it than test for + // that though. At least do it before resizing the arrays, SetCount will + // initialise new elements to zero. + for( s = m_rowHeights.GetCount(), i = 0; i < s; ++i ) + m_rowHeights[ i ] = 0; + + for( s = m_colWidths.GetCount(), i = 0; i < s; ++i ) + m_colWidths[ i ] = 0; + + m_rowHeights.SetCount(nrows); + m_colWidths.SetCount(ncols); + + wxSizerItemList::Node *node = m_children.GetFirst(); + + i = 0; + while (node) + { + wxSizerItem *item = node->GetData(); + wxSize sz( item->CalcMin() ); + int row = i / ncols; + int col = i % ncols; + + m_rowHeights[ row ] = wxMax( sz.y, m_rowHeights[ row ] ); + m_colWidths[ col ] = wxMax( 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; + } + } + + + int width = 0; + for (int col = 0; col < ncols; col++) + width += m_colWidths[ col ]; + + int height = 0; + for (int row = 0; row < nrows; row++) + height += m_rowHeights[ row ]; + + return wxSize( width + (ncols-1) * m_hgap, + height + (nrows-1) * m_vgap); +} + +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) ) +{ } //--------------------------------------------------------------------------- @@ -373,8 +1246,8 @@ void wxSizer::SetDimension( int x, int y, int width, int height ) //--------------------------------------------------------------------------- wxBoxSizer::wxBoxSizer( int orient ) + : m_orient( orient ) { - m_orient = orient; } void wxBoxSizer::RecalcSizes() @@ -390,79 +1263,82 @@ void wxBoxSizer::RecalcSizes() { delta = (m_size.x - m_fixedWidth) / m_stretchable; extra = (m_size.x - m_fixedWidth) % m_stretchable; - } - else - { + } + else + { delta = (m_size.y - m_fixedHeight) / m_stretchable; extra = (m_size.y - m_fixedHeight) % m_stretchable; - } + } } wxPoint pt( m_position ); - wxNode *node = m_children.GetFirst(); + wxSizerItemList::Node *node = m_children.GetFirst(); while (node) { - wxSizerItem *item = (wxSizerItem*) node->Data(); - - int weight = 1; - if (item->GetOption()) - weight = item->GetOption(); - - wxSize size( item->CalcMin() ); - - if (m_orient == wxVERTICAL) - { - wxCoord 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) ); + wxSizerItem *item = node->GetData(); - 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->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() & (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; - } + 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->Next(); + node = node->GetNext(); } } @@ -477,47 +1353,75 @@ wxSize wxBoxSizer::CalcMin() m_fixedWidth = 0; m_fixedHeight = 0; - wxNode *node = m_children.GetFirst(); + // Find how long each stretch unit needs to be + int stretchSize = 1; + wxSizerItemList::Node *node = m_children.GetFirst(); + while (node) { - wxSizerItem *item = (wxSizerItem*) node->Data(); - - int weight = 1; - if (item->GetOption()) - weight = item->GetOption(); - - wxSize size( item->CalcMin() ); - - if (m_orient == wxHORIZONTAL) - { - m_minWidth += (size.x * weight); - m_minHeight = wxMax( m_minHeight, size.y ); - } - else - { - m_minHeight += (size.y * weight); - m_minWidth = wxMax( m_minWidth, size.x ); - } - - if (item->GetOption()) - { - m_stretchable += weight; - } - else - { - if (m_orient == wxVERTICAL) - { - m_fixedHeight += size.y; - m_fixedWidth = wxMax( m_fixedWidth, size.x ); - } - else - { - m_fixedWidth += size.x; - m_fixedHeight = wxMax( m_fixedHeight, size.y ); - } - } - - node = node->Next(); + 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 ); @@ -527,22 +1431,39 @@ wxSize wxBoxSizer::CalcMin() // wxStaticBoxSizer //--------------------------------------------------------------------------- +#if wxUSE_STATBOX + wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient ) - : wxBoxSizer( 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(); - m_staticBox = box; + *borderOther = 5; +#endif // __WXCOCOA__ } void wxStaticBoxSizer::RecalcSizes() { - // this will have to be done platform by platform - // as there is no way to guess the thickness of - // a wxStaticBox border - int top_border = 15; - if (m_staticBox->GetLabel().IsEmpty()) top_border = 5; - int other_border = 5; + 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 ); @@ -561,13 +1482,8 @@ void wxStaticBoxSizer::RecalcSizes() wxSize wxStaticBoxSizer::CalcMin() { - // This will have to be done platform by platform - // as there is no way to guess the thickness of - // a wxStaticBox border. - - int top_border = 15; - if (m_staticBox->GetLabel().IsEmpty()) top_border = 5; - int other_border = 5; + int top_border, other_border; + GetStaticBoxBorders(m_staticBox, &top_border, &other_border); wxSize ret( wxBoxSizer::CalcMin() ); ret.x += 2*other_border; @@ -576,6 +1492,8 @@ wxSize wxStaticBoxSizer::CalcMin() return ret; } +#endif // wxUSE_STATBOX + //--------------------------------------------------------------------------- // wxNotebookSizer //--------------------------------------------------------------------------- @@ -583,10 +1501,9 @@ wxSize wxStaticBoxSizer::CalcMin() #if wxUSE_NOTEBOOK wxNotebookSizer::wxNotebookSizer( wxNotebook *nb ) + : m_notebook( nb ) { wxASSERT_MSG( nb, wxT("wxNotebookSizer needs a notebook") ); - - m_notebook = nb; } void wxNotebookSizer::RecalcSizes() @@ -596,24 +1513,15 @@ void wxNotebookSizer::RecalcSizes() wxSize wxNotebookSizer::CalcMin() { - // This will have to be done platform by platform - // as there is no way to guess the thickness of - // the wxNotebook tabs and border. - - int borderX = 5; - int borderY = 5; - if ((m_notebook->HasFlag(wxNB_RIGHT)) || - (m_notebook->HasFlag(wxNB_LEFT))) - { - borderX += 70; // improvements later.. - } - else + wxSize sizeBorder = m_notebook->CalcSizeFromPage(wxSize(0, 0)); + + sizeBorder.x += 5; + sizeBorder.y += 5; + + if (m_notebook->GetChildren().GetCount() == 0) { - borderY += 35; // improvements later.. + return wxSize(sizeBorder.x + 10, sizeBorder.y + 10); } - - if (m_notebook->GetChildren().GetCount() == 0) - return wxSize(borderX + 10, borderY + 10); int maxX = 0; int maxY = 0; @@ -622,20 +1530,24 @@ wxSize wxNotebookSizer::CalcMin() while (node) { wxWindow *item = node->GetData(); - wxSizer *itemsizer = item->GetSizer(); - - if (itemsizer) - { + 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(); + if (subsize.x > maxX) + maxX = subsize.x; + if (subsize.y > maxY) + maxY = subsize.y; + } + + node = node->GetNext(); } - return wxSize( borderX + maxX, borderY + maxY ); + return wxSize( maxX, maxY ) + sizeBorder; } #endif // wxUSE_NOTEBOOK + +// vi:sts=4:sw=4:et