/////////////////////////////////////////////////////////////////////////////
// Name: sizer.cpp
-// Purpose: provide wxNewSizer class for layounting
+// Purpose: provide new wxSizer class for layout
// Author: Robert Roebling and Robin Dunn
-// Modified by:
-// Created:
+// Modified by: Ron Lee
+// 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 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(wxGridSizer, wxSizer)
+IMPLEMENT_ABSTRACT_CLASS(wxFlexGridSizer, wxGridSizer)
+IMPLEMENT_ABSTRACT_CLASS(wxBoxSizer, wxSizer)
+#if wxUSE_STATBOX
+IMPLEMENT_ABSTRACT_CLASS(wxStaticBoxSizer, wxBoxSizer)
+#endif
+#if wxUSE_NOTEBOOK
+IMPLEMENT_ABSTRACT_CLASS(wxNotebookSizer, wxSizer)
+#endif
//---------------------------------------------------------------------------
-// wxNewSizerItem
+// wxSizerItem
//---------------------------------------------------------------------------
-wxNewSizerItem::wxNewSizerItem( 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 = (wxNewSizer *) 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;
- m_option = option;
+
+ SetRatio(width, height);
+
+ // size is set directly
+ m_size = m_minSize;
}
-wxNewSizerItem::wxNewSizerItem( wxWindow *window, int option )
+wxSizerItem::wxSizerItem( wxWindow *window, int option, int flag, int border, wxObject* userData )
{
m_window = window;
- m_sizer = (wxNewSizer *) NULL;
- m_minSize = window->GetSize();
+ 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 = ...
}
-wxNewSizerItem::wxNewSizerItem( wxNewSizer *sizer, int option )
+wxSizerItem::wxSizerItem( wxSizer *sizer, int option, int flag, int border, wxObject* userData )
{
m_window = (wxWindow *) NULL;
m_sizer = sizer;
- m_minSize = sizer->GetSize();
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 wxNewSizerItem::GetSize()
+wxSizerItem::~wxSizerItem()
{
- if (IsNewSizer())
- return m_sizer->GetSize();
-
- if (IsWindow())
- return m_window->GetSize();
-
- return m_minSize;
+ if (m_userData)
+ delete m_userData;
+ if (m_sizer)
+ delete m_sizer;
}
-wxSize wxNewSizerItem::CalcMin()
+
+wxSize wxSizerItem::GetSize()
{
- if (IsNewSizer())
- return m_sizer->CalcMin();
-
+ wxSize ret;
+ if (IsSizer())
+ ret = m_sizer->GetSize();
+ else
if (IsWindow())
- return m_window->GetSize();
-
- return m_minSize;
+ 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->GetMinSize();
+
+ // if we have to preserve aspect ratio _AND_ this is
+ // the first-time calculation, consider ret to be initial size
+ if ((m_flag & wxSHAPED) && !m_ratio)
+ SetRatio(ret);
+ }
+ else
+ {
+ if ( IsWindow() && (m_flag & wxADJUST_MINSIZE) )
+ {
+ // check if the best (minimal, in fact) window size hadn't changed
+ // by chance: this may happen for, e.g. static text if its label
+ // changed
+ wxSize size = m_window->GetBestSize();
+ if ( size.x > m_minSize.x )
+ m_minSize.x = size.x;
+ if ( size.y > m_minSize.y )
+ m_minSize.y = size.y;
+ }
+
+ 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 wxNewSizerItem::SetDimension( wxPoint pos, wxSize size )
+void wxSizerItem::SetDimension( wxPoint pos, wxSize size )
{
- if (IsNewSizer())
+ 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;
+ }
+ }
+
+ // This is what GetPosition() returns. Since we calculate
+ // borders afterwards, GetPosition() will be the left/top
+ // corner of the surrounding border.
+ m_pos = pos;
+
+ if (m_flag & wxWEST)
+ {
+ pos.x += m_border;
+ size.x -= m_border;
+ }
+ if (m_flag & wxEAST)
+ {
+ size.x -= m_border;
+ }
+ if (m_flag & wxNORTH)
+ {
+ pos.y += m_border;
+ size.y -= m_border;
+ }
+ if (m_flag & wxSOUTH)
+ {
+ size.y -= m_border;
+ }
+
+ if (IsSizer())
m_sizer->SetDimension( pos.x, pos.y, size.x, size.y );
-
+
if (IsWindow())
- m_window->SetSize( pos.x, pos.y, size.x, size.y );
-
- m_minSize = size;
+ m_window->SetSize( pos.x, pos.y, size.x, size.y, wxSIZE_ALLOW_MINUS_ONE );
+
+ m_size = size;
+}
+
+void wxSizerItem::DeleteWindows()
+{
+ if (m_window)
+ m_window->Destroy();
+
+ if (m_sizer)
+ m_sizer->DeleteWindows();
}
-bool wxNewSizerItem::IsWindow()
+bool wxSizerItem::IsWindow()
{
return (m_window != NULL);
}
-bool wxNewSizerItem::IsNewSizer()
+bool wxSizerItem::IsSizer()
{
return (m_sizer != NULL);
}
-bool wxNewSizerItem::IsSpacer()
+bool wxSizerItem::IsSpacer()
{
return (m_window == NULL) && (m_sizer == NULL);
}
//---------------------------------------------------------------------------
-// wxNewSizer
+// wxSizer
//---------------------------------------------------------------------------
-wxNewSizer::wxNewSizer()
+wxSizer::wxSizer()
{
m_children.DeleteContents( TRUE );
+ m_minSize.x = 0;
+ m_minSize.y = 0;
+}
+
+wxSizer::~wxSizer()
+{
+ Clear();
+}
+
+void wxSizer::Add( wxWindow *window, int option, int flag, int border, wxObject* userData )
+{
+ m_children.Append( new wxSizerItem( window, option, flag, border, userData ) );
+ window->SetContainingSizer(this);
+}
+
+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 ) );
+ window->SetContainingSizer(this);
}
-wxNewSizer::~wxNewSizer()
+void wxSizer::Prepend( wxSizer *sizer, int option, int flag, int border, wxObject* userData )
{
+ m_children.Insert( new wxSizerItem( sizer, option, flag, border, userData ) );
}
-
-void wxNewSizer::Add( wxWindow *window, int option )
+
+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.Append( new wxNewSizerItem( window, option ) );
+ m_children.Insert( before, new wxSizerItem( window, option, flag, border, userData ) );
+ window->SetContainingSizer(this);
}
-void wxNewSizer::Add( wxNewSizer *sizer, int option )
+void wxSizer::Insert( int before, wxSizer *sizer, int option, int flag, int border, wxObject* userData )
{
- m_children.Append( new wxNewSizerItem( sizer, option ) );
+ m_children.Insert( before, new wxSizerItem( sizer, option, flag, border, userData ) );
}
-void wxNewSizer::Add( int width, int height, int option )
+void wxSizer::Insert( int before, int width, int height, int option, int flag, int border, wxObject* userData )
{
- m_children.Append( new wxNewSizerItem( width, height, option ) );
+ m_children.Insert( before, new wxSizerItem( width, height, option, flag, border, userData ) );
}
-void wxNewSizer::Fit( wxWindow *window )
+bool wxSizer::Remove( wxWindow *window )
{
- window->SetSize( GetMinWindowSize( window ) );
+ wxASSERT( window );
+
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ if (item->GetWindow() == window)
+ {
+ item->GetWindow()->SetContainingSizer(NULL);
+ m_children.DeleteNode( node );
+ return TRUE;
+ }
+ node = node->Next();
+ }
+
+ return FALSE;
}
-void wxNewSizer::Layout()
+bool wxSizer::Remove( wxSizer *sizer )
{
- m_size = CalcMin();
+ 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::Clear( bool delete_windows )
+{
+ // First clear the ContainingSizer pointers
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ if (item->IsWindow())
+ item->GetWindow()->SetContainingSizer(NULL);
+ node = node->Next();
+ }
+
+ // Destroy the windows if needed
+ if (delete_windows)
+ DeleteWindows();
+
+ // Now empty the list
+ m_children.Clear();
+}
+
+void wxSizer::DeleteWindows()
+{
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ item->DeleteWindows();
+ node = node->Next();
+ }
+}
+
+wxSize wxSizer::Fit( wxWindow *window )
+{
+ wxSize size;
+ if (window->IsTopLevel())
+ size = FitSize( window );
+ else
+ size = GetMinWindowSize( window );
+
+ window->SetSize( size );
+
+ return size;
+}
+
+void wxSizer::FitInside( wxWindow *window )
+{
+ wxSize size;
+ if (window->IsTopLevel())
+ size = VirtualFitSize( window );
+ else
+ size = GetMinClientSize( window );
+
+ window->SetVirtualSize( size );
+}
+
+void wxSizer::Layout()
+{
+ CalcMin();
RecalcSizes();
}
-void wxNewSizer::SetSizeHints( wxWindow *window )
+void wxSizer::SetSizeHints( wxWindow *window )
+{
+ // Preserve the window's max size hints, but set the
+ // lower bound according to the sizer calculations.
+
+ wxSize size = Fit( window );
+
+ window->SetSizeHints( size.x,
+ size.y,
+ window->GetMaxWidth(),
+ window->GetMaxHeight() );
+}
+
+void wxSizer::SetVirtualSizeHints( wxWindow *window )
+{
+ // Preserve the window's max size hints, but set the
+ // lower bound according to the sizer calculations.
+
+ FitInside( window );
+ wxSize size( window->GetVirtualSize() );
+ window->SetVirtualSizeHints( size.x,
+ size.y,
+ window->GetMaxWidth(),
+ window->GetMaxHeight() );
+}
+
+wxSize wxSizer::GetMaxWindowSize( wxWindow *window )
{
- wxSize size( GetMinWindowSize( window ) );
- window->SetSizeHints( size.x, size.y );
+ return window->GetMaxSize();
}
-wxSize wxNewSizer::GetMinWindowSize( 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 );
+}
+
+// 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;
}
-void wxNewSizer::SetDimension( int x, int y, int width, int height )
+wxSize wxSizer::GetMaxClientSize( wxWindow *window )
+{
+ wxSize maxSize( window->GetMaxSize() );
+
+ if( maxSize != wxDefaultSize )
+ {
+ wxSize size( window->GetSize() );
+ wxSize client_size( window->GetClientSize() );
+
+ return wxSize( maxSize.x + client_size.x - size.x,
+ maxSize.y + client_size.y - size.y );
+ }
+ else
+ return wxDefaultSize;
+}
+
+wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) )
+{
+ return GetMinSize(); // Already returns client size.
+}
+
+wxSize wxSizer::VirtualFitSize( wxWindow *window )
+{
+ wxSize size = GetMinClientSize( window );
+ wxSize sizeMax = GetMaxClientSize( window );
+
+ // Limit the size if sizeMax != wxDefaultSize
+
+ if ( size.x > sizeMax.x && sizeMax.x != -1 )
+ size.x = sizeMax.x;
+ if ( size.y > sizeMax.y && sizeMax.y != -1 )
+ size.y = sizeMax.y;
+
+ return size;
+}
+
+void wxSizer::SetDimension( int x, int y, int width, int height )
{
m_position.x = x;
m_position.y = y;
m_size.x = width;
m_size.y = height;
+ CalcMin();
RecalcSizes();
}
+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( window );
+
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ if (item->GetWindow() == window)
+ {
+ item->SetInitSize( width, height );
+ return TRUE;
+ }
+ node = node->Next();
+ }
+
+ node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ if (item->GetSizer())
+ {
+ /* It's a sizer, so lets search recursively. */
+ if (item->GetSizer()->DoSetItemMinSize( window, width, height ))
+ {
+ /* A child sizer found the requested windw, exit. */
+ return TRUE;
+ }
+ }
+ node = node->Next();
+ }
+
+ return FALSE;
+}
+
+bool wxSizer::DoSetItemMinSize( wxSizer *sizer, int width, int height )
+{
+ wxASSERT( sizer );
+
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ if (item->GetSizer() == sizer)
+ {
+ item->GetSizer()->DoSetMinSize( width, height );
+ return TRUE;
+ }
+ node = node->Next();
+ }
+
+ node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ if (item->GetSizer())
+ {
+ /* It's a sizer, so lets search recursively. */
+ if (item->GetSizer()->DoSetItemMinSize( sizer, width, height ))
+ {
+ /* A child sizer found the requested windw, exit. */
+ return TRUE;
+ }
+ }
+ node = node->Next();
+ }
+
+ return FALSE;
+}
+
+bool wxSizer::DoSetItemMinSize( int pos, int width, int height )
+{
+ wxNode *node = m_children.Nth( pos );
+ if (!node) return FALSE;
+
+ wxSizerItem *item = (wxSizerItem*) node->Data();
+ if (item->GetSizer())
+ {
+ /* Sizers contains the minimal size in them, if not calculated ... */
+ item->GetSizer()->DoSetMinSize( width, height );
+ }
+ else
+ {
+ /* ... whereas the minimal size of spacers and windows in stored
+ in the item */
+ item->SetInitSize( width, height );
+ }
+
+ return TRUE;
+}
+
//---------------------------------------------------------------------------
-// wxBorderNewSizer
+// wxGridSizer
//---------------------------------------------------------------------------
-wxBorderNewSizer::wxBorderNewSizer( int sides )
+wxGridSizer::wxGridSizer( int rows, int cols, int vgap, int hgap )
{
- m_sides = sides;
+ m_rows = rows;
+ m_cols = cols;
+ m_vgap = vgap;
+ m_hgap = hgap;
}
-void wxBorderNewSizer::Add( wxWindow *window, int option )
+wxGridSizer::wxGridSizer( int cols, int vgap, int hgap )
{
- wxCHECK_RET( m_children.GetCount() == 0, _T("border sizer can only hold one child") );
-
- wxNewSizer::Add( window, option );
+ m_rows = 0;
+ m_cols = cols;
+ m_vgap = vgap;
+ m_hgap = hgap;
}
-void wxBorderNewSizer::Add( wxNewSizer *sizer, int option )
+void wxGridSizer::RecalcSizes()
{
- wxCHECK_RET( m_children.GetCount() == 0, _T("border sizer can only hold one child") );
-
- wxNewSizer::Add( sizer, option );
+ if (m_children.GetCount() == 0)
+ return;
+
+ int nitems = m_children.GetCount();
+ int nrows = m_rows;
+ int ncols = m_cols;
+
+ if (ncols > 0)
+ nrows = (nitems + ncols-1) / ncols;
+ else
+ ncols = (nitems + nrows-1) / nrows;
+
+ 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)
+ {
+ wxNode *node = m_children.Nth( i );
+ wxASSERT( node );
+
+ SetItemBounds( (wxSizerItem*) node->Data(), x, y, w, h);
+ }
+ y = y + h + m_vgap;
+ }
+ x = x + w + m_hgap;
+ }
}
-void wxBorderNewSizer::Add( int width, int height, int option )
+wxSize wxGridSizer::CalcMin()
{
- wxCHECK_RET( m_children.GetCount() == 0, _T("border sizer can only hold one child") );
-
- wxNewSizer::Add( width, height, option );
+ if (m_children.GetCount() == 0)
+ return wxSize(10,10);
+
+ int nitems = m_children.GetCount();
+ int nrows = m_rows;
+ int ncols = m_cols;
+
+ if (ncols > 0)
+ nrows = (nitems + ncols-1) / ncols;
+ else
+ ncols = (nitems + nrows-1) / nrows;
+
+ // Find the max width and height for any component
+ int w = 0;
+ int h = 0;
+
+ wxNode *node = m_children.First();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ wxSize sz( item->CalcMin() );
+ w = wxMax( w, sz.x );
+ h = wxMax( h, sz.y );
+
+ node = node->Next();
+ }
+
+ return wxSize(ncols * w + (ncols-1) * m_hgap,
+ nrows * h + (nrows-1) * m_vgap);
}
-void wxBorderNewSizer::RecalcSizes()
+void wxGridSizer::SetItemBounds( wxSizerItem *item, int x, int y, int w, int h )
{
- wxNode *node = m_children.GetFirst();
-
- if (!node)
+ wxPoint pt( x,y );
+ wxSize sz( item->CalcMin() );
+ int flag = item->GetFlag();
+
+ if ((flag & wxEXPAND) || (flag & wxSHAPED))
{
- SetDimension( m_position.x, m_position.y, 2, 2 );
- return;
+ 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_rowHeights = (int*) NULL;
+ m_colWidths = (int*) NULL;
+}
+
+wxFlexGridSizer::wxFlexGridSizer( int cols, int vgap, int hgap )
+ : wxGridSizer( cols, vgap, hgap )
+{
+ m_rowHeights = (int*) NULL;
+ m_colWidths = (int*) NULL;
+}
+
+wxFlexGridSizer::~wxFlexGridSizer()
+{
+ if (m_rowHeights)
+ delete[] m_rowHeights;
+ if (m_colWidths)
+ delete[] m_colWidths;
+}
+
+void wxFlexGridSizer::CreateArrays()
+{
+ if (m_rowHeights)
+ delete[] m_rowHeights;
+ if (m_colWidths)
+ delete[] m_colWidths;
+
+ if (m_children.GetCount() == 0)
+ return;
+
+ int nitems = m_children.GetCount();
+ int nrows = m_rows;
+ int ncols = m_cols;
+
+ if (ncols > 0)
+ nrows = (nitems + ncols-1) / ncols;
+ else
+ ncols = (nitems + nrows-1) / nrows;
+
+ m_rowHeights = new int[nrows];
+ m_colWidths = new int[ncols];
- wxNewSizerItem *item = (wxNewSizerItem*) node->Data();
+ for (int col = 0; col < ncols; col++)
+ m_colWidths[ col ] = 0;
+ for (int row = 0; row < nrows; row++)
+ m_rowHeights[ row ] = 0;
+}
+
+void wxFlexGridSizer::RecalcSizes()
+{
+ if (m_children.GetCount() == 0)
+ return;
+
+ int nitems = m_children.GetCount();
+ int nrows = m_rows;
+ int ncols = m_cols;
+
+ if (ncols > 0)
+ nrows = (nitems + ncols-1) / ncols;
+ else
+ ncols = (nitems + nrows-1) / nrows;
+
+ wxSize sz( GetSize() );
+ wxSize minsz( CalcMin() );
+ wxPoint pt( GetPosition() );
+ int delta;
+ size_t idx,num;
+ wxArrayInt temp;
- wxSize size( m_size );
- wxPoint pt( m_position );
- int borderSize = item->GetOption();
+ // Transfer only those rows into temp which exist in the sizer
+ // ignoring the superflouus ones. This prevents a segfault when
+ // calling AddGrowableRow( 3 ) if the sizer only has 2 rows.
+ for (idx = 0; idx < m_growableRows.GetCount(); idx++)
+ if (m_growableRows[idx] < nrows)
+ temp.Add( m_growableRows[idx] );
+ num = temp.GetCount();
+
+ if ((num > 0) && (sz.y > minsz.y))
+ {
+ delta = (sz.y - minsz.y) / num;
+ for (idx = 0; idx < num; idx++)
+ m_rowHeights[ temp[idx] ] += delta;
+ }
+
+ temp.Empty();
+ // See above
+ for (idx = 0; idx < m_growableCols.GetCount(); idx++)
+ if (m_growableCols[idx] < ncols)
+ temp.Add( m_growableCols[idx] );
+ num = temp.GetCount();
- if (m_sides & wxWEST)
+ if ((num > 0) && (sz.x > minsz.x))
{
- size.x -= borderSize;
- pt.x += borderSize;
+ delta = (sz.x - minsz.x) / num;
+ for (idx = 0; idx < num; idx++)
+ m_colWidths[ temp[idx] ] += delta;
}
- if (m_sides & wxEAST)
+
+ sz = wxSize( pt.x + sz.x, pt.y + sz.y );
+
+ int x = pt.x;
+ for (int c = 0; c < ncols; c++)
{
- size.x -= borderSize;
+ int y = pt.y;
+ for (int r = 0; r < nrows; r++)
+ {
+ int i = r * ncols + c;
+ if (i < nitems)
+ {
+ wxNode *node = m_children.Nth( i );
+ wxASSERT( node );
+
+ int w = wxMax( 0, wxMin( m_colWidths[c], sz.x - x ) );
+ int h = wxMax( 0, wxMin( m_rowHeights[r], sz.y - y ) );
+
+ SetItemBounds( (wxSizerItem*) node->Data(), x, y, w, h);
+ }
+ y = y + m_rowHeights[r] + m_vgap;
+ }
+ x = x + m_colWidths[c] + m_hgap;
}
- if (m_sides & wxNORTH)
+}
+
+wxSize wxFlexGridSizer::CalcMin()
+{
+ if (m_children.GetCount() == 0)
+ return wxSize(10,10);
+
+ int nitems = m_children.GetCount();
+ int nrows = m_rows;
+ int ncols = m_cols;
+
+ if (ncols > 0)
+ nrows = (nitems + ncols-1) / ncols;
+ else
+ ncols = (nitems + nrows-1) / nrows;
+
+ CreateArrays();
+
+ int col;
+ int row;
+
+ int i = 0;
+ wxNode *node = m_children.First();
+ while (node)
{
- size.y -= borderSize;
- pt.y += borderSize;
+ wxSizerItem *item = (wxSizerItem*)node->Data();
+ wxSize sz( item->CalcMin() );
+ row = i / ncols;
+ col = i % ncols;
+ m_rowHeights[ row ] = wxMax( sz.y, m_rowHeights[ row ] );
+ m_colWidths[ col ] = wxMax( sz.x, m_colWidths[ col ] );
+
+ node = node->Next();
+ i++;
}
- if (m_sides & wxSOUTH)
+
+ int width = 0;
+ for (col = 0; col < ncols; col++)
+ width += m_colWidths[ col ];
+
+ int height = 0;
+ for (row = 0; row < nrows; row++)
+ height += m_rowHeights[ row ];
+
+ return wxSize( width + (ncols-1) * m_hgap,
+ height + (nrows-1) * m_vgap);
+}
+
+void wxFlexGridSizer::AddGrowableRow( size_t idx )
+{
+ m_growableRows.Add( idx );
+}
+
+void wxFlexGridSizer::RemoveGrowableRow( size_t WXUNUSED(idx) )
+{
+}
+
+void wxFlexGridSizer::AddGrowableCol( size_t idx )
+{
+ m_growableCols.Add( idx );
+}
+
+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)
{
- size.y -= borderSize;
+ 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();
}
-
- item->SetDimension( pt, size );
}
-wxSize wxBorderNewSizer::CalcMin()
+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;
wxNode *node = m_children.GetFirst();
-
- if (!node)
- return wxSize(2,2);
-
- wxNewSizerItem *item = (wxNewSizerItem*) node->Data();
-
- wxSize size( item->CalcMin() );
-
- int borderSize = item->GetOption();
-
- if (m_sides & wxWEST)
- size.x += borderSize;
- if (m_sides & wxEAST)
- size.x += borderSize;
- if (m_sides & wxNORTH)
- size.y += borderSize;
- if (m_sides & wxSOUTH)
- size.y += borderSize;
-
- return size;
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*) node->Data();
+ if (item->GetOption() != 0)
+ {
+ int stretch = item->GetOption();
+ 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->Next();
+ }
+ // Calculate overall minimum size
+ node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = (wxSizerItem*) node->Data();
+
+ m_stretchable += item->GetOption();
+
+ wxSize size( item->CalcMin() );
+ if (item->GetOption() != 0)
+ {
+ if (m_orient == wxHORIZONTAL)
+ size.x = stretchSize * item->GetOption();
+ else
+ size.y = stretchSize * item->GetOption();
+ }
+
+ 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->GetOption() == 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->Next();
+ }
+
+ return wxSize( m_minWidth, m_minHeight );
}
-#endif
- // __SIZERS_H__
+//---------------------------------------------------------------------------
+// wxStaticBoxSizer
+//---------------------------------------------------------------------------
+
+#if wxUSE_STATBOX
+
+wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient )
+ : wxBoxSizer( orient )
+{
+ wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") );
+
+ m_staticBox = 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 __WXGTK__
+ if ( box->GetLabel().IsEmpty() )
+ *borderTop = 5;
+ else
+#endif // __WXGTK__
+ *borderTop = 15;
+ (void)box;
+ *borderOther = 5;
+}
+
+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 )
+{
+ 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()
+{
+ 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
projects / wxWidgets.git / blobdiff