X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5279a24d25b1d865212c838bb25546f79a9106df..2035e10e83324c6925d12725b842768f6e2b00a2:/src/common/sizer.cpp diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp index 541fcf3fb2..1acfd70e61 100644 --- a/src/common/sizer.cpp +++ b/src/common/sizer.cpp @@ -1,60 +1,214 @@ ///////////////////////////////////////////////////////////////////////////// // Name: sizer.cpp -// Purpose: provide wxSizer class for layounting +// 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 ///////////////////////////////////////////////////////////////////////////// -#ifndef __WXSIZERS_H__ -#define __WXSIZERS_H__ - #ifdef __GNUG__ -#pragma interface "sizers.h" +#pragma implementation "sizer.h" +#endif + +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifdef __BORLANDC__ + #pragma hdrstop #endif #include "wx/sizer.h" +#include "wx/utils.h" +#include "wx/statbox.h" +#include "wx/notebook.h" + +//--------------------------------------------------------------------------- +IMPLEMENT_ABSTRACT_CLASS(wxSizerItem, wxObject); +IMPLEMENT_ABSTRACT_CLASS(wxSizer, wxObject); +IMPLEMENT_ABSTRACT_CLASS(wxBoxSizer, wxSizer); +IMPLEMENT_ABSTRACT_CLASS(wxStaticBoxSizer, wxBoxSizer); +#if wxUSE_NOTEBOOK +IMPLEMENT_ABSTRACT_CLASS(wxNotebookSizer, wxSizer); +#endif //--------------------------------------------------------------------------- // wxSizerItem //--------------------------------------------------------------------------- -wxSizerItem::wxSizerItem( int width, int height, int option ) +wxSizerItem::wxSizerItem( int width, int height, int option, int flag, int border, wxObject* userData ) { m_window = (wxWindow *) NULL; m_sizer = (wxSizer *) NULL; - m_minSize.x = width; - m_minSize.h = height; 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 ) +wxSizerItem::wxSizerItem( wxWindow *window, int option, int flag, int border, wxObject* userData ) { m_window = window; m_sizer = (wxSizer *) NULL; - m_minSize = window->GetSize(); 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 ) +wxSizerItem::wxSizerItem( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) { m_window = (wxWindow *) NULL; m_sizer = sizer; - m_minSize.x = -1; - m_minSize.h = -1; 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 = ... } -wxSize wxSizerItem::GetMinSize() +wxSizerItem::~wxSizerItem() { + if (m_userData) + delete m_userData; + if (m_sizer) + delete m_sizer; +} + + +wxSize wxSizerItem::GetSize() +{ + wxSize ret; if (IsSizer()) - return m_sizer->GetMinSize(); + ret = m_sizer->GetSize(); else - return m_minSize; + if (IsWindow()) + ret = m_window->GetSize(); + else ret = m_size; + + if (m_flag & wxWEST) + ret.x += m_border; + if (m_flag & wxEAST) + ret.x += m_border; + if (m_flag & wxNORTH) + ret.y += m_border; + if (m_flag & wxSOUTH) + ret.y += m_border; + + return ret; +} + +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) + ret.x += m_border; + if (m_flag & wxNORTH) + ret.y += m_border; + if (m_flag & wxSOUTH) + ret.y += m_border; + + return ret; +} + +void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) +{ + if (m_flag & 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 (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, wxSIZE_ALLOW_MINUS_ONE ); + + m_size = size; } bool wxSizerItem::IsWindow() @@ -84,28 +238,112 @@ wxSizer::wxSizer() wxSizer::~wxSizer() { } - -void wxSizer::Add( wxWindow *window, int option ) + +void wxSizer::Add( wxWindow *window, int option, int flag, int border, wxObject* userData ) +{ + m_children.Append( new wxSizerItem( window, option, flag, border, userData ) ); +} + +void wxSizer::Add( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) +{ + m_children.Append( new wxSizerItem( sizer, option, flag, border, userData ) ); +} + +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, userData ) ); +} + +void wxSizer::Prepend( wxWindow *window, int option, int flag, int border, wxObject* userData ) +{ + m_children.Insert( new wxSizerItem( window, option, flag, border, userData ) ); +} + +void wxSizer::Prepend( wxSizer *sizer, int option, int flag, int border, wxObject* userData ) +{ + m_children.Insert( new wxSizerItem( sizer, option, flag, border, userData ) ); +} + +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, userData ) ); +} + +void wxSizer::Insert( int before, wxWindow *window, int option, int flag, int border, wxObject* userData ) +{ + m_children.Insert( before, new wxSizerItem( window, option, flag, border, userData ) ); +} + +void wxSizer::Insert( int before, wxSizer *sizer, int option, int flag, int border, wxObject* userData ) { - m_children.Append( new wxSizerItem( window, option ) ); + m_children.Insert( before, new wxSizerItem( sizer, option, flag, border, userData ) ); } -void wxSizer::Add( wxSizer *sizer, int option ) +void wxSizer::Insert( int before, int width, int height, int option, int flag, int border, wxObject* userData ) { - m_children.Append( new wxSizerItem( sizer, option ) ); + m_children.Insert( before, new wxSizerItem( width, height, option, flag, border, userData ) ); } -void wxSizer::Add( int width, int height, int option ) +bool wxSizer::Remove( wxWindow *window ) { - m_children.Append( new wxSizerItem( width, height, option ) ); + wxASSERT( window ); + + wxNode *node = m_children.First(); + while (node) + { + wxSizerItem *item = (wxSizerItem*)node->Data(); + if (item->GetWindow() == window) + { + m_children.DeleteNode( node ); + return TRUE; + } + node = node->Next(); + } + + return FALSE; } -void wxSizer::Fit( wxWindow *window ); +bool wxSizer::Remove( wxSizer *sizer ) +{ + wxASSERT( sizer ); + + wxNode *node = m_children.First(); + while (node) + { + wxSizerItem *item = (wxSizerItem*)node->Data(); + if (item->GetSizer() == sizer) + { + m_children.DeleteNode( node ); + return TRUE; + } + node = node->Next(); + } + + return FALSE; +} + +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 ) ); } -void wxSizer::SetSizeHints( wxWindow *window ); +void wxSizer::Layout() +{ + CalcMin(); + RecalcSizes(); +} + +void wxSizer::SetSizeHints( wxWindow *window ) { wxSize size( GetMinWindowSize( window ) ); window->SetSizeHints( size.x, size.y ); @@ -113,20 +351,291 @@ void wxSizer::SetSizeHints( wxWindow *window ); wxSize wxSizer::GetMinWindowSize( wxWindow *window ) { - wxSize min( GetMinSize() ); + wxSize minSize( GetMinSize() ); wxSize size( window->GetSize() ); wxSize client_size( window->GetClientSize() ); - return wxSize( min.x+size.x-client_size.x, min.y+size.y-client_size.y ); + return wxSize( minSize.x+size.x-client_size.x, + minSize.y+size.y-client_size.y ); } -void wxSizer::DoSetDimension( 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; + CalcMin(); RecalcSizes(); } -#endif - // __SIZERS_H__ +//--------------------------------------------------------------------------- +// 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 ); + + 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 == 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) ); + + 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; + } + + node = node->Next(); + } +} + +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; + + 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); + 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 ); +} + +//--------------------------------------------------------------------------- +// wxStaticBoxSizer +//--------------------------------------------------------------------------- + +wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient ) + : wxBoxSizer( orient ) +{ + wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") ); + + m_staticBox = box; +} + +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; + + 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() +{ + // 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; + + wxSize ret( wxBoxSizer::CalcMin() ); + ret.x += 2*other_border; + ret.y += other_border + top_border; + + return ret; +} + +//--------------------------------------------------------------------------- +// wxNotebookSizer +//--------------------------------------------------------------------------- + +#if wxUSE_NOTEBOOK + +wxNotebookSizer::wxNotebookSizer( wxNotebook *nb ) +{ + wxASSERT_MSG( nb, wxT("wxNotebookSizer needs a notebook") ); + + m_notebook = nb; +} + +void wxNotebookSizer::RecalcSizes() +{ + m_notebook->SetSize( m_position.x, m_position.y, m_size.x, m_size.y ); +} + +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 + { + borderY += 35; // improvements later.. + } + + if (m_notebook->GetChildren().GetCount() == 0) + return wxSize(borderX + 10, borderY + 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( borderX + maxX, borderY + maxY ); +} + +#endif // wxUSE_NOTEBOOK