// Name: sizer.cpp
// Purpose: provide new wxSizer class for layout
// Author: Robert Roebling and Robin Dunn
-// Modified by:
+// Modified by: Ron Lee
// Created:
// RCS-ID: $Id$
// Copyright: (c) Robin Dunn, Dirk Holtwick and Robert Roebling
+// (c) 2003, Ron Lee
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/sizer.h"
#include "wx/utils.h"
#include "wx/statbox.h"
+#include "wx/notebook.h"
+#include <wx/listimpl.cpp>
//---------------------------------------------------------------------------
-IMPLEMENT_ABSTRACT_CLASS(wxSizerItem, wxObject);
-IMPLEMENT_ABSTRACT_CLASS(wxSizer, wxObject);
-IMPLEMENT_ABSTRACT_CLASS(wxBoxSizer, wxSizer);
-IMPLEMENT_ABSTRACT_CLASS(wxStaticBoxSizer, wxBoxSizer);
+IMPLEMENT_CLASS(wxSizerItem, wxObject)
+IMPLEMENT_CLASS(wxSizer, wxObject)
+IMPLEMENT_CLASS(wxGridSizer, wxSizer)
+IMPLEMENT_CLASS(wxFlexGridSizer, wxGridSizer)
+IMPLEMENT_CLASS(wxBoxSizer, wxSizer)
+#if wxUSE_STATBOX
+IMPLEMENT_CLASS(wxStaticBoxSizer, wxBoxSizer)
+#endif
+#if wxUSE_NOTEBOOK
+IMPLEMENT_CLASS(wxNotebookSizer, wxSizer)
+#endif
+
+WX_DEFINE_EXPORTED_LIST( wxSizerItemList );
+
//---------------------------------------------------------------------------
// wxSizerItem
//---------------------------------------------------------------------------
-wxSizerItem::wxSizerItem( int width, int height, int option, int flag, int border, wxObject* userData )
+wxSizerItem::wxSizerItem( int width, int height, int proportion, int flag, int border, wxObject* userData )
+ : m_window( NULL )
+ , m_sizer( NULL )
+ , m_size( wxSize( width, height ) ) // size is set directly
+ , m_minSize( m_size ) // minimal size is the initial size
+ , m_proportion( proportion )
+ , m_border( border )
+ , m_flag( flag )
+ , m_show( true )
+ , m_userData( userData )
{
- m_window = (wxWindow *) NULL;
- m_sizer = (wxSizer *) NULL;
- m_option = option;
- m_border = border;
- m_flag = flag;
- m_userData = userData;
-
- // minimal size is the initial size
- m_minSize.x = width;
- m_minSize.y = height;
-
- // size is set directly
- m_size = m_minSize;
+ SetRatio( m_size );
}
-wxSizerItem::wxSizerItem( wxWindow *window, int option, int flag, int border, wxObject* userData )
+wxSizerItem::wxSizerItem( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
+ : m_window( window )
+ , m_sizer( NULL )
+ , m_minSize( window->GetSize() ) // minimal size is the initial size
+ , m_proportion( proportion )
+ , m_border( border )
+ , m_flag( flag )
+ , m_show( true )
+ , m_userData( userData )
{
- m_window = window;
- m_sizer = (wxSizer *) NULL;
- m_option = option;
- m_border = border;
- m_flag = flag;
- m_userData = userData;
+ // aspect ratio calculated from initial size
+ SetRatio( m_minSize );
- // minimal size is the initial size
- m_minSize = window->GetSize();
-
- // size is calculated later
- // m_size = ...
+ // m_size is calculated later
}
-wxSizerItem::wxSizerItem( wxSizer *sizer, int option, int flag, int border, wxObject* userData )
+wxSizerItem::wxSizerItem( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
+ : m_window( NULL )
+ , m_sizer( sizer )
+ , m_proportion( proportion )
+ , m_border( border )
+ , m_flag( flag )
+ , m_show( true )
+ , m_ratio( 0.0 )
+ , m_userData( userData )
{
- m_window = (wxWindow *) NULL;
- m_sizer = sizer;
- m_option = option;
- m_border = border;
- m_flag = flag;
- m_userData = userData;
-
- // minimal size is calculated later
- // m_minSize = ...
-
- // size is calculated later
- // m_size = ...
+ // m_minSize is calculated later
+ // m_size is calculated later
}
wxSizerItem::~wxSizerItem()
}
-wxSize wxSizerItem::GetSize()
+wxSize wxSizerItem::GetSize() const
{
wxSize ret;
if (IsSizer())
{
wxSize ret;
if (IsSizer())
- ret = m_sizer->CalcMin();
-/*
- The minimum size of a window should be the
- initial size, as saved in m_minSize, not the
- current size.
+ {
+ 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())
- ret = m_window->GetSize();
-*/
- else ret = m_minSize;
+ {
+ if ( IsWindow() && (m_flag & wxADJUST_MINSIZE) )
+ {
+ // By user request, keep the minimal size for this item
+ // in sync with the largest of BestSize and any user supplied
+ // minimum size hint. Useful in cases where the item is
+ // changeable -- static text labels, etc.
+ m_minSize = m_window->GetAdjustedBestSize();
+ }
+
+ ret = m_minSize;
+ }
if (m_flag & wxWEST)
ret.x += m_border;
void wxSizerItem::SetDimension( wxPoint pos, wxSize size )
{
+ 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;
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_window->SetSize( pos.x, pos.y, size.x, size.y, wxSIZE_ALLOW_MINUS_ONE );
m_size = size;
}
-bool wxSizerItem::IsWindow()
+void wxSizerItem::DeleteWindows()
+{
+ if (m_window)
+ m_window->Destroy();
+
+ if (m_sizer)
+ m_sizer->DeleteWindows();
+}
+
+bool wxSizerItem::IsWindow() const
{
return (m_window != NULL);
}
-bool wxSizerItem::IsSizer()
+bool wxSizerItem::IsSizer() const
{
return (m_sizer != NULL);
}
-bool wxSizerItem::IsSpacer()
+bool wxSizerItem::IsSpacer() const
{
return (m_window == NULL) && (m_sizer == NULL);
}
+void wxSizerItem::Show( bool show )
+{
+ m_show = show;
+
+ if( IsWindow() )
+ m_window->Show( show );
+ else if( IsSizer() )
+ m_sizer->ShowItems( show );
+
+ // ... nothing else to do to hide/show spacers
+}
+
+void wxSizerItem::SetOption( int option )
+{
+ SetProportion( option );
+}
+
+int wxSizerItem::GetOption() const
+{
+ return GetProportion();
+}
+
+
//---------------------------------------------------------------------------
// wxSizer
//---------------------------------------------------------------------------
wxSizer::wxSizer()
+ : m_minSize( wxSize( 0, 0 ) )
{
- m_children.DeleteContents( TRUE );
+ m_children.DeleteContents( true );
}
wxSizer::~wxSizer()
{
+ Clear();
+}
+
+void wxSizer::Add( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
+{
+ m_children.Append( new wxSizerItem( window, proportion, flag, border, userData ) );
+ window->SetContainingSizer( this );
+}
+
+void wxSizer::Add( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
+{
+ m_children.Append( new wxSizerItem( sizer, proportion, flag, border, userData ) );
+}
+
+void wxSizer::Add( int width, int height, int proportion, int flag, int border, wxObject* userData )
+{
+ m_children.Append( new wxSizerItem( width, height, proportion, flag, border, userData ) );
+}
+
+void wxSizer::Add( wxSizerItem *item )
+{
+ m_children.Append( item );
+
+ if( item->GetWindow() )
+ item->GetWindow()->SetContainingSizer( this );
+}
+
+void wxSizer::Prepend( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
+{
+ m_children.Insert( new wxSizerItem( window, proportion, flag, border, userData ) );
+ window->SetContainingSizer( this );
}
-void wxSizer::Add( wxWindow *window, int option, int flag, int border, wxObject* userData )
+void wxSizer::Prepend( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
{
- m_children.Append( new wxSizerItem( window, option, flag, border, userData ) );
+ m_children.Insert( new wxSizerItem( sizer, proportion, flag, border, userData ) );
}
-void wxSizer::Add( wxSizer *sizer, int option, int flag, int border, wxObject* userData )
+void wxSizer::Prepend( int width, int height, int proportion, int flag, int border, wxObject* userData )
{
- m_children.Append( new wxSizerItem( sizer, option, flag, border, userData ) );
+ m_children.Insert( new wxSizerItem( width, height, proportion, flag, border, userData ) );
}
-void wxSizer::Add( int width, int height, int option, int flag, int border, wxObject* userData )
+void wxSizer::Prepend( wxSizerItem *item )
{
- m_children.Append( new wxSizerItem( width, height, option, flag, border, userData ) );
+ m_children.Insert( item );
+
+ if( item->GetWindow() )
+ item->GetWindow()->SetContainingSizer( this );
+}
+
+void wxSizer::Insert( size_t index,
+ wxWindow *window,
+ int proportion,
+ int flag,
+ int border,
+ wxObject* userData )
+{
+ m_children.Insert( index,
+ new wxSizerItem( window, proportion, flag, border, userData ) );
+ window->SetContainingSizer( this );
}
-void wxSizer::Prepend( wxWindow *window, int option, int flag, int border, wxObject* userData )
+void wxSizer::Insert( size_t index,
+ wxSizer *sizer,
+ int proportion,
+ int flag,
+ int border,
+ wxObject* userData )
{
- m_children.Insert( new wxSizerItem( window, option, flag, border, userData ) );
+ m_children.Insert( index,
+ new wxSizerItem( sizer, proportion, flag, border, userData ) );
}
-void wxSizer::Prepend( wxSizer *sizer, int option, int flag, int border, wxObject* userData )
+void wxSizer::Insert( size_t index,
+ int width,
+ int height,
+ int proportion,
+ int flag,
+ int border,
+ wxObject* userData )
{
- m_children.Insert( new wxSizerItem( sizer, option, flag, border, userData ) );
+ m_children.Insert( index,
+ new wxSizerItem( width, height, proportion, flag, border, userData ) );
}
-void wxSizer::Prepend( int width, int height, int option, int flag, int border, wxObject* userData )
+void wxSizer::Insert( size_t index, wxSizerItem *item )
{
- m_children.Insert( new wxSizerItem( width, height, option, flag, border, userData ) );
+ m_children.Insert( index, item );
+
+ if( item->GetWindow() )
+ item->GetWindow()->SetContainingSizer( this );
}
bool wxSizer::Remove( wxWindow *window )
{
- wxASSERT( window );
+ return Detach( window );
+}
- wxNode *node = m_children.First();
+bool wxSizer::Remove( wxSizer *sizer )
+{
+ wxASSERT_MSG( sizer, _T("Removing NULL sizer") );
+
+ wxSizerItemList::Node *node = m_children.GetFirst();
while (node)
{
- wxSizerItem *item = (wxSizerItem*)node->Data();
- if (item->GetWindow() == window)
- {
- m_children.DeleteNode( node );
- return TRUE;
- }
- node = node->Next();
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetSizer() == sizer)
+ return m_children.DeleteNode( node );
+
+ node = node->GetNext();
}
- return FALSE;
+ return false;
}
-bool wxSizer::Remove( wxSizer *sizer )
+bool wxSizer::Remove( int index )
{
- wxASSERT( sizer );
+ wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(),
+ false,
+ _T("Remove index is out of range") );
+
+ wxSizerItemList::Node *node = m_children.Item( index );
+
+ wxCHECK_MSG( node, false, _T("Failed to find child node") );
+
+ wxSizerItem *item = node->GetData();
- wxNode *node = m_children.First();
+ if( item->IsWindow() )
+ item->GetWindow()->SetContainingSizer( NULL );
+
+ return m_children.DeleteNode( node );
+}
+
+bool wxSizer::Detach( wxSizer *sizer )
+{
+ wxASSERT_MSG( sizer, _T("Detaching NULL sizer") );
+
+ wxSizerItemList::Node *node = m_children.GetFirst();
while (node)
{
- wxSizerItem *item = (wxSizerItem*)node->Data();
- if (item->GetSizer() == sizer)
- {
- m_children.DeleteNode( node );
- return TRUE;
- }
- node = node->Next();
+ wxSizerItem *item = node->GetData();
+
+ if (item->GetSizer() == sizer)
+ {
+ item->DetachSizer();
+ return m_children.DeleteNode( node );
+ }
+ node = node->GetNext();
}
- return FALSE;
+ return false;
}
-bool wxSizer::Remove( int pos )
+bool wxSizer::Detach( wxWindow *window )
{
- wxNode *node = m_children.Nth( pos );
- if (!node) return FALSE;
+ wxASSERT_MSG( window, _T("Detaching NULL window") );
- m_children.DeleteNode( node );
+ wxSizerItemList::Node *node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
- return TRUE;
+ if (item->GetWindow() == window)
+ {
+ item->GetWindow()->SetContainingSizer( NULL );
+ return m_children.DeleteNode( node );
+ }
+ node = node->GetNext();
+ }
+
+ return false;
}
-void wxSizer::Fit( wxWindow *window )
+bool wxSizer::Detach( int index )
{
- window->SetSize( GetMinWindowSize( window ) );
+ wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(),
+ false,
+ _T("Detach index is out of range") );
+
+ wxSizerItemList::Node *node = m_children.Item( index );
+
+ wxCHECK_MSG( node, false, _T("Failed to find child node") );
+
+ wxSizerItem *item = node->GetData();
+
+ if( item->IsSizer() )
+ item->DetachSizer();
+ else if( item->IsWindow() )
+ item->GetWindow()->SetContainingSizer( NULL );
+
+ return m_children.DeleteNode( node );
+}
+
+void wxSizer::Clear( bool delete_windows )
+{
+ // First clear the ContainingSizer pointers
+ wxSizerItemList::Node *node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ if (item->IsWindow())
+ item->GetWindow()->SetContainingSizer( NULL );
+ node = node->GetNext();
+ }
+
+ // Destroy the windows if needed
+ if (delete_windows)
+ DeleteWindows();
+
+ // Now empty the list
+ m_children.Clear();
+}
+
+void wxSizer::DeleteWindows()
+{
+ wxSizerItemList::Node *node = m_children.GetFirst();
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+
+ item->DeleteWindows();
+ node = node->GetNext();
+ }
+}
+
+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()
void wxSizer::SetSizeHints( wxWindow *window )
{
- wxSize size( GetMinWindowSize( window ) );
- window->SetSizeHints( size.x, size.y );
+ // 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 ) const
+{
+ return window->GetMaxSize();
}
wxSize wxSizer::GetMinWindowSize( wxWindow *window )
{
- wxSize minSize( GetMinSize() );
- wxSize size( window->GetSize() );
- wxSize client_size( window->GetClientSize() );
+ wxSize minSize( GetMinSize() );
+ 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;
- CalcMin();
- RecalcSizes();
+ 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() );
+ int delta;
+ size_t idx, num;
+ wxArrayInt temp;
+
+ // what to do with the rows? by default, resize them proportionally
+ if ( (m_flexDirection & wxVERTICAL) ||
+ (m_growMode == wxFLEX_GROWMODE_SPECIFIED) )
+ {
+ // Transfer only those rows into temp which exist in the sizer
+ // ignoring the superfluous 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();
+ }
+ 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 ( (m_flexDirection & wxHORIZONTAL) ||
+ (m_growMode == wxFLEX_GROWMODE_SPECIFIED) )
+ {
+ // See above
+ for (idx = 0; idx < m_growableCols.GetCount(); idx++)
+ {
+ if (m_growableCols[idx] < ncols)
+ temp.Add( m_growableCols[idx] );
+ }
+
+ num = temp.GetCount();
+
+ if ((num > 0) && (sz.x > minsz.x))
+ {
+ delta = (sz.x - minsz.x) / num;
+ for (idx = 0; idx < num; idx++)
+ m_colWidths[ temp[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;
+
+ if ( !CalcRowsCols(nrows, ncols) )
+ return wxSize(10, 10);
+
+ // We have to clear the old sizes out if any item has wxADJUST_MINSIZE
+ // set on it. Its probably quicker to just always do it than test for
+ // that though. At least do it before resizing the arrays, SetCount will
+ // initialise new elements to zero.
+ for( s = m_rowHeights.GetCount(), i = 0; i < s; ++i )
+ m_rowHeights[ i ] = 0;
+
+ for( s = m_colWidths.GetCount(), i = 0; i < s; ++i )
+ m_colWidths[ i ] = 0;
+
+ m_rowHeights.SetCount(nrows);
+ m_colWidths.SetCount(ncols);
+
+ wxSizerItemList::Node *node = m_children.GetFirst();
+
+ i = 0;
+ while (node)
+ {
+ wxSizerItem *item = node->GetData();
+ wxSize sz( item->CalcMin() );
+ int row = i / ncols;
+ int col = i % ncols;
+
+ m_rowHeights[ row ] = wxMax( sz.y, m_rowHeights[ row ] );
+ m_colWidths[ col ] = wxMax( 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;
+ }
+ }
+
+
+ int width = 0;
+ for (int col = 0; col < ncols; col++)
+ width += m_colWidths[ col ];
+
+ int height = 0;
+ for (int 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( int orient )
+ : m_orient( orient )
{
- m_orient = orient;
}
void wxBoxSizer::RecalcSizes()
{
delta = (m_size.x - m_fixedWidth) / m_stretchable;
extra = (m_size.x - m_fixedWidth) % m_stretchable;
- }
- else
- {
+ }
+ 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();
+ wxSizerItemList::Node *node = m_children.GetFirst();
while (node)
{
- wxSizerItem *item = (wxSizerItem*) node->Data();
+ wxSizerItem *item = node->GetData();
- 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() & wxALIGN_RIGHT)
- child_pos.x += m_size.x - size.x;
- else if (item->GetFlag() & wxCENTER)
- child_pos.x += (m_size.x - size.x) / 2;
- else if (item->GetFlag() & wxEXPAND)
- child_size.x = m_size.x;
-
- item->SetDimension( child_pos, child_size );
-
- pt.y += height;
- }
- else
- {
- 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() & wxALIGN_BOTTOM)
- child_pos.y += m_size.y - size.y;
- else if (item->GetFlag() & wxCENTER)
- child_pos.y += (m_size.y - size.y) / 2;
- else if (item->GetFlag() & wxEXPAND)
- child_size.y = m_size.y;
-
- item->SetDimension( child_pos, child_size );
-
- pt.x += width;
- }
-
- node = node->Next();
+ 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(2,2);
+ return wxSize(10,10);
m_stretchable = 0;
m_minWidth = 0;
m_fixedWidth = 0;
m_fixedHeight = 0;
- wxNode *node = m_children.GetFirst();
+ // 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 = (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();
+ 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 )
+ : wxBoxSizer( orient )
+ , m_staticBox( box )
{
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 = box->GetCharHeight();
+
+ *borderOther = 5;
}
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;
+ 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 );
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;
+ int top_border, other_border;
+ GetStaticBoxBorders(m_staticBox, &top_border, &other_border);
wxSize ret( wxBoxSizer::CalcMin() );
- ret.x += 2*top_border;
+ 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
projects / wxWidgets.git / blobdiff