/////////////////////////////////////////////////////////////////////////////
// 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"
+//---------------------------------------------------------------------------
+
+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 )
+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 = ...
+}
+
+wxSizerItem::~wxSizerItem()
+{
+ if (m_userData)
+ delete m_userData;
+ if (m_sizer)
+ delete m_sizer;
}
-wxSize wxSizerItem::GetMinSize()
+
+wxSize wxSizerItem::GetSize()
{
+ wxSize ret;
if (IsSizer())
- return m_sizer->GetMinSize();
+ ret = m_sizer->GetSize();
+ else
+ if (IsWindow())
+ ret = m_window->GetSize();
+ else ret = m_size;
+
+ if (m_flag & wxWEST)
+ ret.x += m_border;
+ if (m_flag & wxEAST)
+ 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
- return m_minSize;
+ 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 );
+
+ m_size = size;
}
bool wxSizerItem::IsWindow()
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( window, option ) );
+ m_children.Append( new wxSizerItem( width, height, option, flag, border, userData ) );
}
-void wxSizer::Add( wxSizer *sizer, int option )
+void wxSizer::Prepend( wxWindow *window, int option, int flag, int border, wxObject* userData )
{
- m_children.Append( new wxSizerItem( sizer, option ) );
+ m_children.Insert( new wxSizerItem( window, option, flag, border, userData ) );
}
-void wxSizer::Add( int width, int height, int option )
+void wxSizer::Prepend( wxSizer *sizer, int option, int flag, int border, wxObject* userData )
{
- m_children.Append( new wxSizerItem( width, height, option ) );
+ m_children.Insert( new wxSizerItem( sizer, option, flag, border, userData ) );
}
-void wxSizer::Fit( wxWindow *window );
+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 ) );
+}
+
+bool wxSizer::Remove( wxWindow *window )
+{
+ 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;
+}
+
+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 );
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)
+ {
+ long height = size.y;
+ if (item->GetOption())
+ {
+ height = (delta * weight) + extra;
+ extra = 0; // only the first item will get the remainder as extra size
+ }
+
+ wxPoint child_pos( pt );
+ wxSize child_size( wxSize( size.x, height) );
+
+ if (item->GetFlag() & (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
+ {
+ long width = size.x;
+ if (item->GetOption())
+ {
+ width = (delta * weight) + extra;
+ extra = 0; // only the first item will get the remainder as extra size
+ }
+
+ wxPoint child_pos( pt );
+ wxSize child_size( wxSize(width, size.y) );
+
+ if (item->GetFlag() & (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(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);
+ 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*top_border;
+ ret.y += other_border + top_border;
+
+ return ret;
+}
projects / wxWidgets.git / blobdiff