1. undid my wrong fix to wxWindowBase::Centre

[wxWidgets.git] / src / common / sizer.cpp

diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp
index 5a004dd535fe6a2ff63c3bd89c3e30798e1d1654..ea20ee7168722f7dd98554227f19f448d4350fb2 100644 (file)
--- a/src/common/sizer.cpp
+++ b/src/common/sizer.cpp
@@ -1,9 +1,9 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        sizer.cpp
 /////////////////////////////////////////////////////////////////////////////
 // Name:        sizer.cpp

-// Purpose:     provide wxNewSizer class for layounting
+// Purpose:     provide new wxSizer class for layout

 // Author:      Robert Roebling and Robin Dunn
 // Modified by:
 // 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
 // RCS-ID:      $Id$
 // Copyright:   (c) Robin Dunn, Dirk Holtwick and Robert Roebling
 // Licence:     wxWindows licence


@@ -22,67 +22,93 @@
 
 #include "wx/sizer.h"
 #include "wx/utils.h"
 
 #include "wx/sizer.h"
 #include "wx/utils.h"

+#include "wx/statbox.h"

 
 //---------------------------------------------------------------------------
 
 //---------------------------------------------------------------------------

-// wxNewSizerItem
+
+IMPLEMENT_ABSTRACT_CLASS(wxSizerItem, wxObject);
+IMPLEMENT_ABSTRACT_CLASS(wxSizer, wxObject);
+IMPLEMENT_ABSTRACT_CLASS(wxBoxSizer, wxSizer);
+IMPLEMENT_ABSTRACT_CLASS(wxStaticBoxSizer, wxBoxSizer);
+
+//---------------------------------------------------------------------------
+// wxSizerItem

 //---------------------------------------------------------------------------
 
 //---------------------------------------------------------------------------
 

-wxNewSizerItem::wxNewSizerItem( int width, int height, int option, int flag, int border )
+wxSizerItem::wxSizerItem( int width, int height, int option, int flag, int border, wxObject* userData )

 {
     m_window = (wxWindow *) NULL;
 {
     m_window = (wxWindow *) NULL;

-    m_sizer = (wxNewSizer *) NULL;
+    m_sizer = (wxSizer *) NULL;

     m_option = option;
     m_border = border;
     m_flag = flag;
     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;
     // 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;
 }
 
     // size is set directly
     m_size = m_minSize;
 }
 

-wxNewSizerItem::wxNewSizerItem( wxWindow *window, int option, int flag, int border )
+wxSizerItem::wxSizerItem( wxWindow *window, int option, int flag, int border, wxObject* userData )

 {
     m_window = window;
 {
     m_window = window;

-    m_sizer = (wxNewSizer *) NULL;
+    m_sizer = (wxSizer *) NULL;

     m_option = option;
     m_border = border;
     m_flag = flag;
     m_option = option;
     m_border = border;
     m_flag = flag;

-    
+    m_userData = userData;
+

     // minimal size is the initial size
     m_minSize = window->GetSize();
     // 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 = ...
 }
 
     // size is calculated later
     // m_size = ...
 }
 

-wxNewSizerItem::wxNewSizerItem( wxNewSizer *sizer, int option, int flag, int border )
+wxSizerItem::wxSizerItem( wxSizer *sizer, int option, int flag, int border, wxObject* userData )

 {
     m_window = (wxWindow *) NULL;
     m_sizer = sizer;
     m_option = option;
     m_border = border;
     m_flag = flag;
 {
     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 = ...
     // minimal size is calculated later
     // m_minSize = ...

-   
+    m_ratio = 0;
+

     // size is calculated later
     // m_size = ...
 }
 
     // size is calculated later
     // m_size = ...
 }
 

-wxSize wxNewSizerItem::GetSize()
+wxSizerItem::~wxSizerItem()
+{
+    if (m_userData)
+        delete m_userData;
+    if (m_sizer)
+        delete m_sizer;
+}
+
+
+wxSize wxSizerItem::GetSize()

 {
     wxSize ret;
 {
     wxSize ret;

-    if (IsNewSizer())
+    if (IsSizer())

         ret = m_sizer->GetSize();
     else
     if (IsWindow())
         ret = m_window->GetSize();
     else ret = m_size;
         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)
     if (m_flag & wxWEST)
         ret.x += m_border;
     if (m_flag & wxEAST)


@@ -91,26 +117,32 @@ wxSize wxNewSizerItem::GetSize()
         ret.y += m_border;
     if (m_flag & wxSOUTH)
         ret.y += m_border;
         ret.y += m_border;
     if (m_flag & wxSOUTH)
         ret.y += m_border;

-    
+

     return ret;
 }
 
     return ret;
 }
 

-wxSize wxNewSizerItem::CalcMin()
+wxSize wxSizerItem::CalcMin()

 {
     wxSize ret;
 {
     wxSize ret;

-    if (IsNewSizer())
+    if (IsSizer())
+    {

         ret = m_sizer->CalcMin();
         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.
     The minimum size of a window should be the
     initial size, as saved in m_minSize, not the
     current size.

-    
+

     else
     if (IsWindow())
         ret = m_window->GetSize();
 */
     else ret = m_minSize;
     else
     if (IsWindow())
         ret = m_window->GetSize();
 */
     else ret = m_minSize;

-    
+

     if (m_flag & wxWEST)
         ret.x += m_border;
     if (m_flag & wxEAST)
     if (m_flag & wxWEST)
         ret.x += m_border;
     if (m_flag & wxEAST)


@@ -119,11 +151,11 @@ wxSize wxNewSizerItem::CalcMin()
         ret.y += m_border;
     if (m_flag & wxSOUTH)
         ret.y += m_border;
         ret.y += m_border;
     if (m_flag & wxSOUTH)
         ret.y += m_border;

-    
+

     return ret;
 }
 
     return ret;
 }
 

-void wxNewSizerItem::SetDimension( wxPoint pos, wxSize size )
+void wxSizerItem::SetDimension( wxPoint pos, wxSize size )

 {
     if (m_flag & wxWEST)
     {
 {
     if (m_flag & wxWEST)
     {


@@ -143,111 +175,194 @@ void wxNewSizerItem::SetDimension( wxPoint pos, wxSize size )
     {
         size.y -= m_border;
     }
     {
         size.y -= m_border;
     }

-       
-    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;
+        }
+    }
+
+    if (IsSizer())

         m_sizer->SetDimension( pos.x, pos.y, size.x, size.y );
         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;
 }
 
     if (IsWindow())
         m_window->SetSize( pos.x, pos.y, size.x, size.y );
 
     m_size = size;
 }
 

-bool wxNewSizerItem::IsWindow()
+bool wxSizerItem::IsWindow()

 {
     return (m_window != NULL);
 }
 
 {
     return (m_window != NULL);
 }
 

-bool wxNewSizerItem::IsNewSizer()
+bool wxSizerItem::IsSizer()

 {
     return (m_sizer != NULL);
 }
 
 {
     return (m_sizer != NULL);
 }
 

-bool wxNewSizerItem::IsSpacer()
+bool wxSizerItem::IsSpacer()

 {
     return (m_window == NULL) && (m_sizer == NULL);
 }
 
 //---------------------------------------------------------------------------
 {
     return (m_window == NULL) && (m_sizer == NULL);
 }
 
 //---------------------------------------------------------------------------

-// wxNewSizer
+// wxSizer

 //---------------------------------------------------------------------------
 
 //---------------------------------------------------------------------------
 

-wxNewSizer::wxNewSizer()
+wxSizer::wxSizer()

 {
     m_children.DeleteContents( TRUE );
 }
 
 {
     m_children.DeleteContents( TRUE );
 }
 

-wxNewSizer::~wxNewSizer()
+wxSizer::~wxSizer()
+{
+}
+
+void wxSizer::Add( wxWindow *window, int option, int flag, int border, wxObject* userData )
+{
+    m_children.Append( new wxSizerItem( window, option, flag, border, userData ) );
+}
+
+void wxSizer::Add( wxSizer *sizer, int option, int flag, int border, wxObject* userData )
+{
+    m_children.Append( new wxSizerItem( sizer, option, flag, border, userData ) );
+}
+
+void wxSizer::Add( int width, int height, int option, int flag, int border, wxObject* userData )

 {
 {

+    m_children.Append( new wxSizerItem( width, height, option, flag, border, userData ) );

 }
 }

-   
-void wxNewSizer::Add( wxWindow *window, int option, int flag, int border )
+
+void wxSizer::Prepend( wxWindow *window, int option, int flag, int border, wxObject* userData )

 {
 {

-    m_children.Append( new wxNewSizerItem( window, option, flag, border ) );
+    m_children.Insert( new wxSizerItem( window, option, flag, border, userData ) );

 }
 
 }
 

-void wxNewSizer::Add( wxNewSizer *sizer, int option, int flag, int border )
+void wxSizer::Prepend( wxSizer *sizer, int option, int flag, int border, wxObject* userData )

 {
 {

-    m_children.Append( new wxNewSizerItem( sizer, option, flag, border ) );
+    m_children.Insert( new wxSizerItem( sizer, option, flag, border, userData ) );
+}
+
+void wxSizer::Prepend( int width, int height, int option, int flag, int border, wxObject* userData )
+{
+    m_children.Insert( new wxSizerItem( width, height, option, flag, border, userData ) );
+}
+
+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;

 }
 
 }
 

-void wxNewSizer::Add( int width, int height, int option, int flag, int border )
+bool wxSizer::Remove( int pos )

 {
 {

-    m_children.Append( new wxNewSizerItem( width, height, option, flag, border ) );
+    wxNode *node = m_children.Nth( pos );
+    if (!node) return FALSE;
+
+    m_children.DeleteNode( node );
+
+    return TRUE;

 }
 
 }
 

-void wxNewSizer::Fit( wxWindow *window )
+void wxSizer::Fit( wxWindow *window )

 {
     window->SetSize( GetMinWindowSize( window ) );
 }
 
 {
     window->SetSize( GetMinWindowSize( window ) );
 }
 

-void wxNewSizer::Layout()
+void wxSizer::Layout()

 {
 {

-    m_size = CalcMin();
+    CalcMin();

     RecalcSizes();
 }
 
     RecalcSizes();
 }
 

-void wxNewSizer::SetSizeHints( wxWindow *window )
+void wxSizer::SetSizeHints( wxWindow *window )

 {
     wxSize size( GetMinWindowSize( window ) );
     window->SetSizeHints( size.x, size.y );
 }
 
 {
     wxSize size( GetMinWindowSize( window ) );
     window->SetSizeHints( size.x, size.y );
 }
 

-wxSize wxNewSizer::GetMinWindowSize( wxWindow *window )
+wxSize wxSizer::GetMinWindowSize( wxWindow *window )

 {
     wxSize minSize( GetMinSize() );
     wxSize size( window->GetSize() );
     wxSize client_size( window->GetClientSize() );
     return wxSize( minSize.x+size.x-client_size.x,
 {
     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 ); 
+                   minSize.y+size.y-client_size.y );

 }
 
 }
 

-void wxNewSizer::SetDimension( 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;
 {
     m_position.x = x;
     m_position.y = y;
     m_size.x = width;
     m_size.y = height;

+    CalcMin();

     RecalcSizes();
 }
 
 //---------------------------------------------------------------------------
     RecalcSizes();
 }
 
 //---------------------------------------------------------------------------

-// wxBox
+// wxBoxSizer

 //---------------------------------------------------------------------------
 
 //---------------------------------------------------------------------------
 

-wxBox::wxBox( int orient )
+wxBoxSizer::wxBoxSizer( int orient )

 {
     m_orient = orient;
 }
 
 {
     m_orient = orient;
 }
 

-void wxBox::RecalcSizes()
+void wxBoxSizer::RecalcSizes()

 {
     if (m_children.GetCount() == 0)
 {
     if (m_children.GetCount() == 0)

-    {
-        SetDimension( m_position.x, m_position.y, 2, 2 );

         return;
         return;

-    }
-    
+

     int delta = 0;
     int extra = 0;
     if (m_stretchable)
     int delta = 0;
     int extra = 0;
     if (m_stretchable)


@@ -263,20 +378,20 @@ void wxBox::RecalcSizes()
             extra = (m_size.y - m_fixedHeight) % m_stretchable;
        }
     }
             extra = (m_size.y - m_fixedHeight) % m_stretchable;
        }
     }

-    
+

     wxPoint pt( m_position );
     wxPoint pt( m_position );

-    
+

     wxNode *node = m_children.GetFirst();
     while (node)
     {
     wxNode *node = m_children.GetFirst();
     while (node)
     {

-        wxNewSizerItem *item = (wxNewSizerItem*) node->Data();
+        wxSizerItem *item = (wxSizerItem*) node->Data();

 
        int weight = 1;
        if (item->GetOption())
            weight = item->GetOption();
 
        int weight = 1;
        if (item->GetOption())
            weight = item->GetOption();

-       
+

        wxSize size( item->CalcMin() );
        wxSize size( item->CalcMin() );

-       
+

        if (m_orient == wxVERTICAL)
        {
            long height = size.y;
        if (m_orient == wxVERTICAL)
        {
            long height = size.y;


@@ -285,19 +400,21 @@ void wxBox::RecalcSizes()
                height = (delta * weight) + extra;
                extra = 0; // only the first item will get the remainder as extra size
            }
                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) );
            wxPoint child_pos( pt );
            wxSize  child_size( wxSize( size.x, height) );

-           
-           if (item->GetFlag() & wxALIGN_RIGHT)
+
+           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;
              child_pos.x += m_size.x - size.x;

-           else if (item->GetFlag() & wxCENTER)
+           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;
              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 );
            item->SetDimension( child_pos, child_size );

-           
+

            pt.y += height;
        }
        else
            pt.y += height;
        }
        else


@@ -308,19 +425,21 @@ void wxBox::RecalcSizes()
                width = (delta * weight) + extra;
                extra = 0; // only the first item will get the remainder as extra size
            }
                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) );
            wxPoint child_pos( pt );
            wxSize  child_size( wxSize(width, size.y) );

-           
-           if (item->GetFlag() & wxALIGN_BOTTOM)
+
+           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;
              child_pos.y += m_size.y - size.y;

-           else if (item->GetFlag() & wxCENTER)
+           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;
              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 );
            item->SetDimension( child_pos, child_size );

-           
+

            pt.x += width;
        }
 
            pt.x += width;
        }
 


@@ -328,28 +447,28 @@ void wxBox::RecalcSizes()
     }
 }
 
     }
 }
 

-wxSize wxBox::CalcMin()
+wxSize wxBoxSizer::CalcMin()

 {
     if (m_children.GetCount() == 0)
         return wxSize(2,2);
 {
     if (m_children.GetCount() == 0)
         return wxSize(2,2);

-    
+

     m_stretchable = 0;
     m_minWidth = 0;
     m_minHeight = 0;
     m_fixedWidth = 0;
     m_fixedHeight = 0;
     m_stretchable = 0;
     m_minWidth = 0;
     m_minHeight = 0;
     m_fixedWidth = 0;
     m_fixedHeight = 0;

-    
+

     wxNode *node = m_children.GetFirst();
     while (node)
     {
     wxNode *node = m_children.GetFirst();
     while (node)
     {

-        wxNewSizerItem *item = (wxNewSizerItem*) node->Data();
-       
+        wxSizerItem *item = (wxSizerItem*) node->Data();
+

        int weight = 1;
        if (item->GetOption())
            weight = item->GetOption();
        int weight = 1;
        if (item->GetOption())
            weight = item->GetOption();

-       
+

        wxSize size( item->CalcMin() );
        wxSize size( item->CalcMin() );

-       
+

        if (m_orient == wxHORIZONTAL)
        {
            m_minWidth += (size.x * weight);
        if (m_orient == wxHORIZONTAL)
        {
            m_minWidth += (size.x * weight);


@@ -360,7 +479,7 @@ wxSize wxBox::CalcMin()
            m_minHeight += (size.y * weight);
            m_minWidth = wxMax( m_minWidth, size.x );
        }
            m_minHeight += (size.y * weight);
            m_minWidth = wxMax( m_minWidth, size.x );
        }

-       
+

        if (item->GetOption())
        {
            m_stretchable += weight;
        if (item->GetOption())
        {
            m_stretchable += weight;


@@ -378,9 +497,61 @@ wxSize wxBox::CalcMin()
                m_fixedHeight = wxMax( m_fixedHeight, size.y );
            }
        }
                m_fixedHeight = wxMax( m_fixedHeight, size.y );
            }
        }

-       
+

        node = node->Next();
     }
        node = node->Next();
     }

-       
+

     return wxSize( m_minWidth, m_minHeight );
 }
     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;
+}