X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1044a386f0521b9b805b142547783acb96d1a406..7b9da2077d0975db6c965a85c91d5aca671ab5e3:/src/common/sizer.cpp diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp index bc46ed416a..ea20ee7168 100644 --- a/src/common/sizer.cpp +++ b/src/common/sizer.cpp @@ -3,7 +3,7 @@ // Purpose: provide new wxSizer class for layout // Author: Robert Roebling and Robin Dunn // Modified by: -// Created: +// Created: // RCS-ID: $Id$ // Copyright: (c) Robin Dunn, Dirk Holtwick and Robert Roebling // Licence: wxWindows licence @@ -24,56 +24,81 @@ #include "wx/utils.h" #include "wx/statbox.h" +//--------------------------------------------------------------------------- + +IMPLEMENT_ABSTRACT_CLASS(wxSizerItem, wxObject); +IMPLEMENT_ABSTRACT_CLASS(wxSizer, wxObject); +IMPLEMENT_ABSTRACT_CLASS(wxBoxSizer, wxSizer); +IMPLEMENT_ABSTRACT_CLASS(wxStaticBoxSizer, wxBoxSizer); + //--------------------------------------------------------------------------- // wxSizerItem //--------------------------------------------------------------------------- -wxSizerItem::wxSizerItem( int width, int height, int option, int flag, int border ) +wxSizerItem::wxSizerItem( int width, int height, int option, int flag, int border, wxObject* 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; } -wxSizerItem::wxSizerItem( wxWindow *window, int option, int flag, int border ) +wxSizerItem::wxSizerItem( wxWindow *window, int option, int flag, int border, wxObject* 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); + // size is calculated later // m_size = ... } -wxSizerItem::wxSizerItem( wxSizer *sizer, int option, int flag, int border ) +wxSizerItem::wxSizerItem( wxSizer *sizer, int option, int flag, int border, wxObject* 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 = ... } +wxSizerItem::~wxSizerItem() +{ + if (m_userData) + delete m_userData; + if (m_sizer) + delete m_sizer; +} + + wxSize wxSizerItem::GetSize() { wxSize ret; @@ -83,7 +108,7 @@ wxSize wxSizerItem::GetSize() if (IsWindow()) ret = m_window->GetSize(); else ret = m_size; - + if (m_flag & wxWEST) ret.x += m_border; if (m_flag & wxEAST) @@ -92,7 +117,7 @@ wxSize wxSizerItem::GetSize() ret.y += m_border; if (m_flag & wxSOUTH) ret.y += m_border; - + return ret; } @@ -100,18 +125,24 @@ wxSize wxSizerItem::CalcMin() { wxSize ret; if (IsSizer()) + { ret = m_sizer->CalcMin(); -/* + // 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); + } + +/* 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 (m_flag & wxWEST) ret.x += m_border; if (m_flag & wxEAST) @@ -120,7 +151,7 @@ wxSize wxSizerItem::CalcMin() ret.y += m_border; if (m_flag & wxSOUTH) ret.y += m_border; - + return ret; } @@ -144,10 +175,32 @@ void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) { size.y -= m_border; } - + 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; + } + } + 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 ); @@ -181,41 +234,41 @@ wxSizer::wxSizer() wxSizer::~wxSizer() { } - -void wxSizer::Add( wxWindow *window, int option, int flag, int border ) + +void wxSizer::Add( wxWindow *window, int option, int flag, int border, wxObject* userData ) { - m_children.Append( new wxSizerItem( window, option, flag, border ) ); + m_children.Append( new wxSizerItem( window, option, flag, border, userData ) ); } -void wxSizer::Add( wxSizer *sizer, int option, int flag, int border ) +void wxSizer::Add( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) { - m_children.Append( new wxSizerItem( sizer, option, flag, border ) ); + m_children.Append( new wxSizerItem( sizer, option, flag, border, userData ) ); } -void wxSizer::Add( int width, int height, int option, int flag, int border ) +void wxSizer::Add( int width, int height, int option, int flag, int border, wxObject* userData ) { - m_children.Append( new wxSizerItem( width, height, option, flag, border ) ); + m_children.Append( new wxSizerItem( width, height, option, flag, border, userData ) ); } -void wxSizer::Prepend( wxWindow *window, int option, int flag, int border ) +void wxSizer::Prepend( wxWindow *window, int option, int flag, int border, wxObject* userData ) { - m_children.Insert( new wxSizerItem( window, option, flag, border ) ); + m_children.Insert( new wxSizerItem( window, option, flag, border, userData ) ); } -void wxSizer::Prepend( wxSizer *sizer, int option, int flag, int border ) +void wxSizer::Prepend( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) { - m_children.Insert( new wxSizerItem( sizer, option, flag, border ) ); + m_children.Insert( new wxSizerItem( sizer, option, flag, border, userData ) ); } -void wxSizer::Prepend( int width, int height, int option, int flag, int border ) +void wxSizer::Prepend( int width, int height, int option, int flag, int border, wxObject* userData ) { - m_children.Insert( new wxSizerItem( width, height, option, flag, border ) ); + m_children.Insert( new wxSizerItem( width, height, option, flag, border, userData ) ); } bool wxSizer::Remove( wxWindow *window ) { wxASSERT( window ); - + wxNode *node = m_children.First(); while (node) { @@ -227,14 +280,14 @@ bool wxSizer::Remove( wxWindow *window ) } node = node->Next(); } - + return FALSE; } bool wxSizer::Remove( wxSizer *sizer ) { wxASSERT( sizer ); - + wxNode *node = m_children.First(); while (node) { @@ -246,7 +299,7 @@ bool wxSizer::Remove( wxSizer *sizer ) } node = node->Next(); } - + return FALSE; } @@ -254,12 +307,12 @@ bool wxSizer::Remove( int pos ) { wxNode *node = m_children.Nth( pos ); if (!node) return FALSE; - + m_children.DeleteNode( node ); - + return TRUE; } - + void wxSizer::Fit( wxWindow *window ) { window->SetSize( GetMinWindowSize( window ) ); @@ -283,7 +336,7 @@ wxSize wxSizer::GetMinWindowSize( wxWindow *window ) 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 ); } void wxSizer::SetDimension( int x, int y, int width, int height ) @@ -309,7 +362,7 @@ void wxBoxSizer::RecalcSizes() { if (m_children.GetCount() == 0) return; - + int delta = 0; int extra = 0; if (m_stretchable) @@ -325,9 +378,9 @@ void wxBoxSizer::RecalcSizes() extra = (m_size.y - m_fixedHeight) % m_stretchable; } } - + wxPoint pt( m_position ); - + wxNode *node = m_children.GetFirst(); while (node) { @@ -336,9 +389,9 @@ void wxBoxSizer::RecalcSizes() int weight = 1; if (item->GetOption()) weight = item->GetOption(); - + wxSize size( item->CalcMin() ); - + if (m_orient == wxVERTICAL) { long height = size.y; @@ -347,19 +400,21 @@ void wxBoxSizer::RecalcSizes() 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) + + 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) + 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; - else if (item->GetFlag() & wxEXPAND) - child_size.x = m_size.x; - + item->SetDimension( child_pos, child_size ); - + pt.y += height; } else @@ -370,19 +425,21 @@ void wxBoxSizer::RecalcSizes() 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) + + 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) + 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; - else if (item->GetFlag() & wxEXPAND) - child_size.y = m_size.y; - + item->SetDimension( child_pos, child_size ); - + pt.x += width; } @@ -394,24 +451,24 @@ wxSize wxBoxSizer::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(); 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); @@ -422,7 +479,7 @@ wxSize wxBoxSizer::CalcMin() m_minHeight += (size.y * weight); m_minWidth = wxMax( m_minWidth, size.x ); } - + if (item->GetOption()) { m_stretchable += weight; @@ -440,10 +497,10 @@ wxSize wxBoxSizer::CalcMin() m_fixedHeight = wxMax( m_fixedHeight, size.y ); } } - + node = node->Next(); } - + return wxSize( m_minWidth, m_minHeight ); } @@ -454,11 +511,11 @@ wxSize wxBoxSizer::CalcMin() wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient ) : wxBoxSizer( orient ) { - wxASSERT_MSG( box, _T("wxStaticBoxSizer needs a static box") ); - + wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") ); + m_staticBox = box; } - + void wxStaticBoxSizer::RecalcSizes() { // this will have to be done platform by platform @@ -469,16 +526,16 @@ void wxStaticBoxSizer::RecalcSizes() int other_border = 5; 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; } @@ -491,10 +548,10 @@ wxSize wxStaticBoxSizer::CalcMin() int top_border = 15; if (m_staticBox->GetLabel().IsEmpty()) top_border = 5; int other_border = 5; - + wxSize ret( wxBoxSizer::CalcMin() ); ret.x += 2*top_border; ret.y += other_border + top_border; - + return ret; }