55f9f0cbc8
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21308 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1567 lines
41 KiB
C++
1567 lines
41 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: sizer.cpp
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// Purpose: provide new wxSizer class for layout
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// Author: Robert Roebling and Robin Dunn, contributions by
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// Dirk Holtwick, Ron Lee
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// Modified by: Ron Lee
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// Created:
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// RCS-ID: $Id$
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// Copyright: (c) Robin Dunn, Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "sizer.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "wx/sizer.h"
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#include "wx/utils.h"
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#include "wx/statbox.h"
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#include "wx/notebook.h"
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#include <wx/listimpl.cpp>
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//---------------------------------------------------------------------------
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IMPLEMENT_CLASS(wxSizerItem, wxObject)
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IMPLEMENT_CLASS(wxSizer, wxObject)
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IMPLEMENT_CLASS(wxGridSizer, wxSizer)
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IMPLEMENT_CLASS(wxFlexGridSizer, wxGridSizer)
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IMPLEMENT_CLASS(wxBoxSizer, wxSizer)
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#if wxUSE_STATBOX
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IMPLEMENT_CLASS(wxStaticBoxSizer, wxBoxSizer)
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#endif
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#if wxUSE_NOTEBOOK
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IMPLEMENT_CLASS(wxNotebookSizer, wxSizer)
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#endif
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WX_DEFINE_EXPORTED_LIST( wxSizerItemList );
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//---------------------------------------------------------------------------
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// wxSizerItem
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//---------------------------------------------------------------------------
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wxSizerItem::wxSizerItem( int width, int height, int proportion, int flag, int border, wxObject* userData )
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: m_window( NULL )
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, m_sizer( NULL )
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, m_size( wxSize( width, height ) ) // size is set directly
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, m_minSize( m_size ) // minimal size is the initial size
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, m_proportion( proportion )
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, m_border( border )
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, m_flag( flag )
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, m_show( true )
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, m_userData( userData )
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{
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SetRatio( m_size );
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}
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wxSizerItem::wxSizerItem( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
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: m_window( window )
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, m_sizer( NULL )
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, m_minSize( window->GetSize() ) // minimal size is the initial size
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, m_proportion( proportion )
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, m_border( border )
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, m_flag( flag )
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, m_show( true )
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, m_userData( userData )
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{
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// aspect ratio calculated from initial size
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SetRatio( m_minSize );
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// m_size is calculated later
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}
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wxSizerItem::wxSizerItem( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
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: m_window( NULL )
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, m_sizer( sizer )
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, m_proportion( proportion )
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, m_border( border )
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, m_flag( flag )
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, m_show( true )
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, m_ratio( 0.0 )
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, m_userData( userData )
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{
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// m_minSize is calculated later
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// m_size is calculated later
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}
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wxSizerItem::~wxSizerItem()
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{
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if (m_userData)
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delete m_userData;
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if (m_sizer)
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delete m_sizer;
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}
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wxSize wxSizerItem::GetSize() const
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{
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wxSize ret;
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if (IsSizer())
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ret = m_sizer->GetSize();
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else
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if (IsWindow())
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ret = m_window->GetSize();
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else ret = m_size;
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if (m_flag & wxWEST)
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ret.x += m_border;
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if (m_flag & wxEAST)
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ret.x += m_border;
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if (m_flag & wxNORTH)
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ret.y += m_border;
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if (m_flag & wxSOUTH)
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ret.y += m_border;
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return ret;
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}
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wxSize wxSizerItem::CalcMin()
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{
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wxSize ret;
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if (IsSizer())
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{
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ret = m_sizer->GetMinSize();
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// if we have to preserve aspect ratio _AND_ this is
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// the first-time calculation, consider ret to be initial size
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if ((m_flag & wxSHAPED) && !m_ratio)
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SetRatio(ret);
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}
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else
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{
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if ( IsWindow() && (m_flag & wxADJUST_MINSIZE) )
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{
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// By user request, keep the minimal size for this item
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// in sync with the largest of BestSize and any user supplied
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// minimum size hint. Useful in cases where the item is
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// changeable -- static text labels, etc.
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m_minSize = m_window->GetAdjustedBestSize();
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}
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ret = m_minSize;
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}
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if (m_flag & wxWEST)
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ret.x += m_border;
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if (m_flag & wxEAST)
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ret.x += m_border;
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if (m_flag & wxNORTH)
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ret.y += m_border;
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if (m_flag & wxSOUTH)
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ret.y += m_border;
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return ret;
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}
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void wxSizerItem::SetDimension( wxPoint pos, wxSize size )
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{
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if (m_flag & wxSHAPED)
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{
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// adjust aspect ratio
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int rwidth = (int) (size.y * m_ratio);
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if (rwidth > size.x)
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{
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// fit horizontally
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int rheight = (int) (size.x / m_ratio);
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// add vertical space
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if (m_flag & wxALIGN_CENTER_VERTICAL)
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pos.y += (size.y - rheight) / 2;
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else if (m_flag & wxALIGN_BOTTOM)
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pos.y += (size.y - rheight);
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// use reduced dimensions
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size.y =rheight;
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}
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else if (rwidth < size.x)
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{
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// add horizontal space
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if (m_flag & wxALIGN_CENTER_HORIZONTAL)
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pos.x += (size.x - rwidth) / 2;
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else if (m_flag & wxALIGN_RIGHT)
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pos.x += (size.x - rwidth);
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size.x = rwidth;
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}
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}
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// This is what GetPosition() returns. Since we calculate
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// borders afterwards, GetPosition() will be the left/top
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// corner of the surrounding border.
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m_pos = pos;
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if (m_flag & wxWEST)
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{
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pos.x += m_border;
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size.x -= m_border;
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}
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if (m_flag & wxEAST)
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{
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size.x -= m_border;
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}
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if (m_flag & wxNORTH)
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{
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pos.y += m_border;
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size.y -= m_border;
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}
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if (m_flag & wxSOUTH)
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{
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size.y -= m_border;
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}
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if (IsSizer())
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m_sizer->SetDimension( pos.x, pos.y, size.x, size.y );
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if (IsWindow())
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m_window->SetSize( pos.x, pos.y, size.x, size.y, wxSIZE_ALLOW_MINUS_ONE );
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m_size = size;
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}
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void wxSizerItem::DeleteWindows()
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{
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if (m_window)
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m_window->Destroy();
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if (m_sizer)
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m_sizer->DeleteWindows();
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}
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bool wxSizerItem::IsWindow() const
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{
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return (m_window != NULL);
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}
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bool wxSizerItem::IsSizer() const
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{
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return (m_sizer != NULL);
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}
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bool wxSizerItem::IsSpacer() const
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{
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return (m_window == NULL) && (m_sizer == NULL);
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}
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void wxSizerItem::Show( bool show )
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{
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m_show = show;
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if( IsWindow() )
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m_window->Show( show );
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else if( IsSizer() )
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m_sizer->ShowItems( show );
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// ... nothing else to do to hide/show spacers
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}
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void wxSizerItem::SetOption( int option )
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{
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SetProportion( option );
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}
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int wxSizerItem::GetOption() const
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{
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return GetProportion();
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}
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//---------------------------------------------------------------------------
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// wxSizer
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//---------------------------------------------------------------------------
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wxSizer::wxSizer()
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: m_minSize( wxSize( 0, 0 ) )
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{
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m_children.DeleteContents( true );
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}
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wxSizer::~wxSizer()
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{
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Clear();
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}
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void wxSizer::Add( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
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{
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m_children.Append( new wxSizerItem( window, proportion, flag, border, userData ) );
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window->SetContainingSizer( this );
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}
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void wxSizer::Add( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
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{
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m_children.Append( new wxSizerItem( sizer, proportion, flag, border, userData ) );
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}
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void wxSizer::Add( int width, int height, int proportion, int flag, int border, wxObject* userData )
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{
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m_children.Append( new wxSizerItem( width, height, proportion, flag, border, userData ) );
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}
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void wxSizer::Add( wxSizerItem *item )
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{
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m_children.Append( item );
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if( item->GetWindow() )
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item->GetWindow()->SetContainingSizer( this );
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}
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void wxSizer::Prepend( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
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{
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m_children.Insert( new wxSizerItem( window, proportion, flag, border, userData ) );
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window->SetContainingSizer( this );
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}
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void wxSizer::Prepend( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
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{
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m_children.Insert( new wxSizerItem( sizer, proportion, flag, border, userData ) );
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}
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void wxSizer::Prepend( int width, int height, int proportion, int flag, int border, wxObject* userData )
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{
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m_children.Insert( new wxSizerItem( width, height, proportion, flag, border, userData ) );
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}
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void wxSizer::Prepend( wxSizerItem *item )
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{
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m_children.Insert( item );
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if( item->GetWindow() )
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item->GetWindow()->SetContainingSizer( this );
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}
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void wxSizer::Insert( size_t index,
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wxWindow *window,
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int proportion,
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int flag,
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int border,
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wxObject* userData )
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{
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m_children.Insert( index,
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new wxSizerItem( window, proportion, flag, border, userData ) );
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window->SetContainingSizer( this );
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}
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void wxSizer::Insert( size_t index,
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wxSizer *sizer,
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int proportion,
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int flag,
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int border,
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wxObject* userData )
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{
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m_children.Insert( index,
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new wxSizerItem( sizer, proportion, flag, border, userData ) );
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}
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void wxSizer::Insert( size_t index,
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int width,
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int height,
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int proportion,
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int flag,
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int border,
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wxObject* userData )
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{
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m_children.Insert( index,
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new wxSizerItem( width, height, proportion, flag, border, userData ) );
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}
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void wxSizer::Insert( size_t index, wxSizerItem *item )
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{
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m_children.Insert( index, item );
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if( item->GetWindow() )
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item->GetWindow()->SetContainingSizer( this );
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}
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bool wxSizer::Remove( wxWindow *window )
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{
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return Detach( window );
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}
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bool wxSizer::Remove( wxSizer *sizer )
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{
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wxASSERT_MSG( sizer, _T("Removing NULL sizer") );
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wxSizerItemList::Node *node = m_children.GetFirst();
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while (node)
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{
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wxSizerItem *item = node->GetData();
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if (item->GetSizer() == sizer)
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return m_children.DeleteNode( node );
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node = node->GetNext();
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}
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return false;
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}
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bool wxSizer::Remove( int index )
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{
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wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(),
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false,
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_T("Remove index is out of range") );
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wxSizerItemList::Node *node = m_children.Item( index );
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wxCHECK_MSG( node, false, _T("Failed to find child node") );
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wxSizerItem *item = node->GetData();
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if( item->IsWindow() )
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item->GetWindow()->SetContainingSizer( NULL );
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return m_children.DeleteNode( node );
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}
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bool wxSizer::Detach( wxSizer *sizer )
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{
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wxASSERT_MSG( sizer, _T("Detaching NULL sizer") );
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wxSizerItemList::Node *node = m_children.GetFirst();
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while (node)
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{
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wxSizerItem *item = node->GetData();
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if (item->GetSizer() == sizer)
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{
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item->DetachSizer();
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return m_children.DeleteNode( node );
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}
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node = node->GetNext();
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}
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return false;
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}
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bool wxSizer::Detach( wxWindow *window )
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{
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wxASSERT_MSG( window, _T("Detaching NULL window") );
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wxSizerItemList::Node *node = m_children.GetFirst();
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while (node)
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{
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wxSizerItem *item = node->GetData();
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if (item->GetWindow() == window)
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{
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item->GetWindow()->SetContainingSizer( NULL );
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return m_children.DeleteNode( node );
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}
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node = node->GetNext();
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}
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return false;
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}
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bool wxSizer::Detach( int index )
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{
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wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(),
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false,
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_T("Detach index is out of range") );
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wxSizerItemList::Node *node = m_children.Item( index );
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wxCHECK_MSG( node, false, _T("Failed to find child node") );
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wxSizerItem *item = node->GetData();
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if( item->IsSizer() )
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item->DetachSizer();
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else if( item->IsWindow() )
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item->GetWindow()->SetContainingSizer( NULL );
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return m_children.DeleteNode( node );
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}
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void wxSizer::Clear( bool delete_windows )
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{
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// First clear the ContainingSizer pointers
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wxSizerItemList::Node *node = m_children.GetFirst();
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while (node)
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{
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wxSizerItem *item = node->GetData();
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if (item->IsWindow())
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item->GetWindow()->SetContainingSizer( NULL );
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node = node->GetNext();
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}
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// Destroy the windows if needed
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if (delete_windows)
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DeleteWindows();
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// Now empty the list
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m_children.Clear();
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}
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void wxSizer::DeleteWindows()
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{
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wxSizerItemList::Node *node = m_children.GetFirst();
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while (node)
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{
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wxSizerItem *item = node->GetData();
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item->DeleteWindows();
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node = node->GetNext();
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}
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}
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wxSize wxSizer::Fit( wxWindow *window )
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{
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wxSize size;
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if (window->IsTopLevel())
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size = FitSize( window );
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else
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size = GetMinWindowSize( window );
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window->SetSize( size );
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return size;
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}
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void wxSizer::FitInside( wxWindow *window )
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{
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wxSize size;
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if (window->IsTopLevel())
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size = VirtualFitSize( window );
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else
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size = GetMinClientSize( window );
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window->SetVirtualSize( size );
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}
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void wxSizer::Layout()
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{
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CalcMin();
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RecalcSizes();
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}
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void wxSizer::SetSizeHints( wxWindow *window )
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{
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// Preserve the window's max size hints, but set the
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// lower bound according to the sizer calculations.
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wxSize size = Fit( window );
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window->SetSizeHints( size.x,
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size.y,
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window->GetMaxWidth(),
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window->GetMaxHeight() );
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}
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void wxSizer::SetVirtualSizeHints( wxWindow *window )
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{
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// Preserve the window's max size hints, but set the
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// lower bound according to the sizer calculations.
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FitInside( window );
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wxSize size( window->GetVirtualSize() );
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window->SetVirtualSizeHints( size.x,
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size.y,
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window->GetMaxWidth(),
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window->GetMaxHeight() );
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}
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wxSize wxSizer::GetMaxWindowSize( wxWindow *window ) const
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{
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return window->GetMaxSize();
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}
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wxSize wxSizer::GetMinWindowSize( wxWindow *window )
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{
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wxSize minSize( GetMinSize() );
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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;
|
|
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() );
|
|
|
|
// 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
|