Added comments

[wxWidgets.git] / src / msw / radiobox.cpp

diff --git a/src/msw/radiobox.cpp b/src/msw/radiobox.cpp
index c4fe0dc4b867cc687a0e8bbe675696fbde20fa8c..9734f7914a92f2b9953fcab40f88df65cbd88bdc 100644 (file)
--- a/src/msw/radiobox.cpp
+++ b/src/msw/radiobox.cpp
@@ -6,67 +6,136 @@
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart and Markus Holzem
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart and Markus Holzem

-// Licence:    wxWindows license
+// Licence:     wxWindows license

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

+// ===========================================================================
+// declarations
+// ===========================================================================
+
+// ---------------------------------------------------------------------------
+// headers
+// ---------------------------------------------------------------------------
+

 #ifdef __GNUG__
 #ifdef __GNUG__

-#pragma implementation "radiobox.h"
+    #pragma implementation "radiobox.h"

 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-#pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #ifndef WX_PRECOMP
 #endif
 
 #ifndef WX_PRECOMP

-#include <stdio.h>
-#include "wx/setup.h"
-#include "wx/radiobox.h"
+    #include <stdio.h>
+    #include "wx/setup.h"
+    #include "wx/bitmap.h"
+    #include "wx/brush.h"
+    #include "wx/radiobox.h"

 #endif
 
 #include "wx/msw/private.h"
 
 #if !USE_SHARED_LIBRARY
 #endif
 
 #include "wx/msw/private.h"
 
 #if !USE_SHARED_LIBRARY

-IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
+    IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)

 #endif
 
 #endif
 

-bool wxRadioBox::MSWCommand(const WXUINT param, const WXWORD id)
-{
-  if (param == BN_CLICKED)
-  {
+// ---------------------------------------------------------------------------
+// private functions
+// ---------------------------------------------------------------------------
+
+// wnd proc for radio buttons

 #ifdef __WIN32__
 #ifdef __WIN32__

-    int i;
-    for (i = 0; i < m_noItems; i++)
-      if (id == GetWindowLong((HWND) m_radioButtons[i], GWL_ID))
-        m_selectedButton = i;
-#else
-    int i;
-    for (i = 0; i < m_noItems; i++)
-      if (id == GetWindowWord((HWND) m_radioButtons[i], GWW_ID))
-        m_selectedButton = i;
-#endif
+LRESULT APIENTRY _EXPORT wxRadioBtnWndProc(HWND hWnd,
+                                           UINT message,
+                                           WPARAM wParam,
+                                           LPARAM lParam);

 
 

-    wxCommandEvent event(wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId);
-    event.SetInt( m_selectedButton );
-    event.SetEventObject( this );
-    ProcessCommand(event);
-    return TRUE;
-  }
-  else return FALSE;
+// ---------------------------------------------------------------------------
+// global vars
+// ---------------------------------------------------------------------------
+
+// the pointer to standard radio button wnd proc
+static WXFARPROC s_wndprocRadioBtn = (WXFARPROC)NULL;
+
+#endif // __WIN32__
+
+// ===========================================================================
+// implementation
+// ===========================================================================
+
+// ---------------------------------------------------------------------------
+// wxRadioBox
+// ---------------------------------------------------------------------------
+
+int wxRadioBox::GetNumVer() const
+{
+    if ( m_windowStyle & wxRA_SPECIFY_ROWS )
+    {
+        return m_majorDim;
+    }
+    else
+    {
+        return (m_noItems + m_majorDim - 1)/m_majorDim;
+    }
+}
+
+int wxRadioBox::GetNumHor() const
+{
+    if ( m_windowStyle & wxRA_SPECIFY_ROWS )
+    {
+        return (m_noItems + m_majorDim - 1)/m_majorDim;
+    }
+    else
+    {
+        return m_majorDim;
+    }
+}
+
+bool wxRadioBox::MSWCommand(WXUINT cmd, WXWORD id)
+{
+    if ( cmd == BN_CLICKED )
+    {
+        int selectedButton = -1;
+
+        for ( int i = 0; i < m_noItems; i++ )
+        {
+            if ( id == wxGetWindowId(m_radioButtons[i]) )
+            {
+                selectedButton = i;
+
+                break;
+            }
+        }
+
+        wxASSERT_MSG( selectedButton != -1, T("click from alien button?") );
+
+        if ( selectedButton != m_selectedButton )
+        {
+            m_selectedButton = selectedButton;
+
+            SendNotificationEvent();
+        }
+        //else: don't generate events when the selection doesn't change
+
+        return TRUE;
+    }
+    else
+        return FALSE;

 }
 
 #if WXWIN_COMPATIBILITY
 wxRadioBox::wxRadioBox(wxWindow *parent, wxFunction func, const char *title,
 }
 
 #if WXWIN_COMPATIBILITY
 wxRadioBox::wxRadioBox(wxWindow *parent, wxFunction func, const char *title,

-             int x, int y, int width, int height,
-             int n, char **choices,
-             int majorDim, long style, const char *name)
+        int x, int y, int width, int height,
+        int n, char **choices,
+        int majorDim, long style, const char *name)

 {
     wxString *choices2 = new wxString[n];
     for ( int i = 0; i < n; i ++) choices2[i] = choices[i];
     Create(parent, -1, title, wxPoint(x, y), wxSize(width, height), n, choices2, majorDim, style,
 {
     wxString *choices2 = new wxString[n];
     for ( int i = 0; i < n; i ++) choices2[i] = choices[i];
     Create(parent, -1, title, wxPoint(x, y), wxSize(width, height), n, choices2, majorDim, style,

-        wxDefaultValidator, name);
+            wxDefaultValidator, name);

     Callback(func);
     delete choices2;
 }
     Callback(func);
     delete choices2;
 }


@@ -74,690 +143,642 @@ wxRadioBox::wxRadioBox(wxWindow *parent, wxFunction func, const char *title,
 #endif
 
 // Radio box item
 #endif
 
 // Radio box item

-wxRadioBox::wxRadioBox(void)
+wxRadioBox::wxRadioBox()

 {
 {

-  m_selectedButton = -1;
-  m_noItems = 0;
-  m_noRowsOrCols = 0;
-  m_radioButtons = NULL;
-  m_majorDim = 0 ;
-  m_radioWidth = NULL ;
-  m_radioHeight = NULL ;
+    m_selectedButton = -1;
+    m_noItems = 0;
+    m_noRowsOrCols = 0;
+    m_radioButtons = NULL;
+    m_majorDim = 0;
+    m_radioWidth = NULL;
+    m_radioHeight = NULL;

 }
 
 }
 

-bool wxRadioBox::Create(wxWindow *parent, const wxWindowID id, const wxString& title,
-             const wxPoint& pos, const wxSize& size,
-             const int n, const wxString choices[],
-             const int majorDim, const long style,
-             const wxValidator& val, const wxString& name)
+bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
+        const wxPoint& pos, const wxSize& size,
+        int n, const wxString choices[],
+        int majorDim, long style,
+        const wxValidator& val, const wxString& name)

 {
 {

-  m_selectedButton = -1;
-  m_noItems = n;
+    m_selectedButton = -1;
+    m_noItems = n;

 
 

-  SetName(name);
-  SetValidator(val);
+    SetName(name);
+    SetValidator(val);

 
 

-  parent->AddChild(this);
-  m_backgroundColour = parent->GetDefaultBackgroundColour() ;
-  m_foregroundColour = parent->GetDefaultForegroundColour() ;
+    parent->AddChild(this);
+    m_backgroundColour = parent->GetBackgroundColour();
+    m_foregroundColour = parent->GetForegroundColour();

 
 

-  m_windowStyle = (long&)style;
+    m_windowStyle = (long&)style;

 
 

-  int x = pos.x;
-  int y = pos.y;
-  int width = size.x;
-  int height = size.y;
-
-  if (id == -1)
-    m_windowId = NewControlId();
-  else
-    m_windowId = id;
-
-  m_noRowsOrCols = majorDim;
-  if (majorDim==0)
-    m_majorDim = n ;
-  m_majorDim = majorDim ;
-
-  long msStyle = GROUP_FLAGS;
-
-  bool want3D;
-  WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
-  // Even with extended styles, need to combine with WS_BORDER
-  // for them to look right.
-  if (want3D && ((m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
-       (m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER)))
-    msStyle |= WS_BORDER;
+    int x = pos.x;
+    int y = pos.y;
+    int width = size.x;
+    int height = size.y;

 
 

+    if (id == -1)
+        m_windowId = NewControlId();
+    else
+        m_windowId = id;

 
 

-  m_hWnd = (WXHWND) CreateWindowEx((DWORD) exStyle, GROUP_CLASS, (title == "" ? NULL : (const char *)title),
-                           msStyle,
-                           0,0,0,0,
-                           (HWND) parent->GetHWND(), (HMENU) m_windowId, wxGetInstance(), NULL) ;
+    if ( majorDim == 0 )
+        m_majorDim = n;
+    else
+        m_majorDim = majorDim;
+    m_noRowsOrCols = majorDim;
+
+    long msStyle = GROUP_FLAGS;
+
+    bool want3D;
+    WXDWORD exStyle = Determine3DEffects(0, &want3D);
+
+    HWND hwndParent = (HWND)parent->GetHWND();
+
+    m_hWnd = (WXHWND)::CreateWindowEx
+                        (
+                         (DWORD)exStyle,
+                         GROUP_CLASS,
+                         title,
+                         msStyle,
+                         0, 0, 0, 0,
+                         hwndParent,
+                         (HMENU)m_windowId,
+                         wxGetInstance(),
+                         NULL
+                        );
+
+#if wxUSE_CTL3D
+    if (want3D)
+    {
+        Ctl3dSubclassCtl((HWND)m_hWnd);
+        m_useCtl3D = TRUE;
+    }
+#endif // wxUSE_CTL3D

 
 

-  HWND the_handle = (HWND) parent->GetHWND() ;
+    SetFont(parent->GetFont());

 
 

-#if CTL3D
-  if (want3D)
-  {
-    Ctl3dSubclassCtl((HWND) m_hWnd);
-       m_useCtl3D = TRUE;
-  }
-#endif
+    SubclassWin(m_hWnd);

 
 

-  SetFont(* parent->GetFont());
-
-  // Subclass again for purposes of dialog editing mode
-  SubclassWin((WXHWND)m_hWnd);
-
-/* Label will be the same as button font now.
-  if (labelFont)
-  {
-    labelFont->RealizeResource();
-    if (labelFont->GetResourceHandle())
-      SendMessage(ms_handle,WM_SETFONT,
-                (WPARAM)labelFont->GetResourceHandle(),0L);
-  }
-*/
-
-  // Some radio boxes test consecutive id.
-  (void)NewControlId() ;
-  m_radioButtons = new WXHWND[n];
-  m_radioWidth = new int[n] ;
-  m_radioHeight = new int[n] ;
-  int i;
-  for (i = 0; i < n; i++)
-  {
-    m_radioWidth[i] = m_radioHeight[i] = -1 ;
-    long groupStyle = 0;
-    if (i == 0 && style==0)
-      groupStyle = WS_GROUP;
-    long newId = NewControlId();
-    long msStyle = groupStyle | RADIO_FLAGS;
-
-    m_radioButtons[i] = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, choices[i],
-                          msStyle,0,0,0,0,
-                          the_handle, (HMENU)newId, wxGetInstance(), NULL);
-#if CTL3D
-  if (want3D)
-  {
-    Ctl3dSubclassCtl((HWND) m_hWnd);
-       m_useCtl3D = TRUE;
-  }
-#endif
-    if (GetFont())
+    // Some radio boxes test consecutive id.
+    (void)NewControlId();
+    m_radioButtons = new WXHWND[n];
+    m_radioWidth = new int[n];
+    m_radioHeight = new int[n];
+    int i;
+    for (i = 0; i < n; i++)

     {
     {

-       SendMessage((HWND)m_radioButtons[i],WM_SETFONT,
-                    (WPARAM)GetFont()->GetResourceHandle(),0L);
+        m_radioWidth[i] = m_radioHeight[i] = -1;
+        long groupStyle = 0;
+        if ( i == 0 && style == 0 )
+            groupStyle = WS_GROUP;
+        long newId = NewControlId();
+        long msStyle = groupStyle | RADIO_FLAGS;
+
+        HWND hwndBtn = CreateWindowEx(exStyle, RADIO_CLASS,
+                                      choices[i], msStyle,
+                                      0,0,0,0,
+                                      hwndParent,
+                                      (HMENU)newId, wxGetInstance(),
+                                      NULL);
+
+        m_radioButtons[i] = (WXHWND)hwndBtn;
+
+        SubclassRadioButton((WXHWND)hwndBtn);
+
+        wxFont& font = GetFont();
+        if ( font.Ok() )
+        {
+            SendMessage(hwndBtn, WM_SETFONT,
+                        (WPARAM)font.GetResourceHandle(), 0L);
+        }
+
+        m_subControls.Append((wxObject *)(WXDWORD)(WXWORD)newId);

     }
     }

-    m_subControls.Append((wxObject *)newId);
-  }

 
 

-  // Create a dummy radio control to end the group.
-  (void)CreateWindowEx(0, RADIO_CLASS, "", WS_GROUP|RADIO_FLAGS, 0,0,0,0, the_handle, (HMENU)NewControlId(), wxGetInstance(), NULL);
+    // Create a dummy radio control to end the group.
+    (void)CreateWindowEx(0, RADIO_CLASS, T(""), WS_GROUP | RADIO_FLAGS,
+                         0, 0, 0, 0, hwndParent,
+                         (HMENU)NewControlId(), wxGetInstance(), NULL);

 
 

-  SetSelection(0);
+    SetSelection(0);

 
 

-  SetSize(x, y, width, height);
+    SetSize(x, y, width, height);

 
 

-  return TRUE;
+    return TRUE;

 }
 
 }
 

-#if 0
-bool wxRadioBox::Create(wxWindow *parent, const wxWindowID id, const wxString& title,
-             const wxPoint& pos, const wxSize& size,
-             const int n, const wxBitmap *choices[],
-             const int majorDim, const long style,
-             const wxValidator& val, const wxString& name)
+wxRadioBox::~wxRadioBox()

 {
 {

-  m_selectedButton = -1;
-  m_noRowsOrCols = 0;
-  m_noItems = n;
-
-  SetName(name);
-  SetValidator(val);
-
-  parent->AddChild(this);
-  m_backgroundColour = parent->GetDefaultBackgroundColour() ;
-  m_foregroundColour = parent->GetDefaultForegroundColour() ;
-
-  m_windowStyle = (long&)style;
-
-  int x = pos.x;
-  int y = pos.y;
-  int width = size.x;
-  int height = size.y;
-
-  if (id == -1)
-    m_windowId = NewControlId();
-  else
-    m_windowId = id;
-
-
-  m_noRowsOrCols = majorDim;
-  if (majorDim==0)
-    m_majorDim = n ;
-  m_majorDim = majorDim ;
-  HWND the_handle ;
-
-  long msStyle = GROUP_FLAGS;
-
-  bool want3D;
-  WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
-  // Even with extended styles, need to combine with WS_BORDER
-  // for them to look right.
-  if (want3D && ((m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
-       (m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER)))
-    msStyle |= WS_BORDER;
-
-  m_hWnd = (WXHWND) CreateWindowEx((DWORD) exStyle, GROUP_CLASS, (title == "" ? NULL : (const char *)title),
-                           msStyle,
-                           0,0,0,0,
-                           (HWND) parent->GetHWND(), (HMENU) m_windowId, wxGetInstance(), NULL) ;
-
-/*
-  if (labelFont)
-  {
-    labelFont->RealizeResource();
-    if (labelFont->GetResourceHandle())
-      SendMessage(ms_handle,WM_SETFONT,
-                (WPARAM)labelFont->GetResourceHandle(),0L);
-  }
-*/
-  the_handle = (HWND) parent->GetHWND();
-
-#if CTL3D
-  if (want3D)
-  {
-    Ctl3dSubclassCtl((HWND) m_hWnd);
-       m_useCtl3D = TRUE;
-  }
-#endif
-
-  SetFont(* parent->GetFont());
-
-  // Subclass again for purposes of dialog editing mode
-  SubclassWin((WXHWND)m_hWnd);
-
-  (void)NewControlId() ;
-  m_radioButtons = new WXHWND[n];
-  m_radioWidth = new int[n] ;
-  m_radioHeight = new int[n] ;
-
-  int i;
-  for (i = 0; i < n; i++)
-  {
-    long groupStyle = 0;
-    if (i == 0 && style==0)
-      groupStyle = WS_GROUP;
-    long newId = NewControlId();
-    m_radioWidth[i]  = ((wxBitmap *)choices[i])->GetWidth();
-    m_radioHeight[i] = ((wxBitmap *)choices[i])->GetHeight();
-    char tmp[32] ;
-    sprintf(tmp,"Toggle%d",i) ;
-    long msStyle = groupStyle | RADIO_FLAGS;
-    m_radioButtons[i] = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, tmp,
-                          msStyle,0,0,0,0,
-                          the_handle, (HMENU)newId, wxhInstance, NULL);
-#if CTL3D
-  if (want3D)
-  {
-    Ctl3dSubclassCtl((HWND) m_hWnd);
-       m_useCtl3D = TRUE;
-  }
-#endif
-    m_subControls.Append((wxObject *)newId);
-  }
-  // Create a dummy radio control to end the group.
-  (void)CreateWindowEx(0, RADIO_CLASS, "", WS_GROUP|RADIO_FLAGS, 0,0,0,0, the_handle, (HMENU)NewControlId(), wxGetInstance(), NULL);
+    m_isBeingDeleted = TRUE;

 
 

-  SetSelection(0);
+    if (m_radioButtons)
+    {
+        int i;
+        for (i = 0; i < m_noItems; i++)
+            ::DestroyWindow((HWND)m_radioButtons[i]);
+        delete[] m_radioButtons;
+    }

 
 

-  SetSize(x, y, width, height);
+    if (m_radioWidth)
+        delete[] m_radioWidth;
+    if (m_radioHeight)
+        delete[] m_radioHeight;

 
 

-  return TRUE;

 }
 }

-#endif

 
 

-wxRadioBox::~wxRadioBox(void)
+wxString wxRadioBox::GetLabel(int item) const

 {
 {

-  m_isBeingDeleted = TRUE;
-  
-  if (m_radioButtons)
-  {
-    int i;
-    for (i = 0; i < m_noItems; i++)
-      DestroyWindow((HWND) m_radioButtons[i]);
-    delete[] m_radioButtons;
-  }
-  if (m_radioWidth)
-    delete[] m_radioWidth ;
-  if (m_radioHeight)
-    delete[] m_radioHeight ;
-  if (m_hWnd)
-    ::DestroyWindow((HWND) m_hWnd) ;
-  m_hWnd = 0 ;
+    wxCHECK_MSG( item >= 0 && item < m_noItems, T(""), T("invalid radiobox index") );

 
 

+    return wxGetWindowText(m_radioButtons[item]);

 }
 
 }
 

-wxString wxRadioBox::GetLabel(const int item) const
+void wxRadioBox::SetLabel(int item, const wxString& label)

 {
 {

-  GetWindowText((HWND)m_radioButtons[item], wxBuffer, 300);
-  return wxString(wxBuffer);
-}
+    wxCHECK_RET( item >= 0 && item < m_noItems, T("invalid radiobox index") );

 
 

-void wxRadioBox::SetLabel(const int item, const wxString& label)
-{
-  m_radioWidth[item] = m_radioHeight[item] = -1 ;
-  SetWindowText((HWND)m_radioButtons[item], (const char *)label);
+    m_radioWidth[item] = m_radioHeight[item] = -1;
+    SetWindowText((HWND)m_radioButtons[item], label.c_str());

 }
 
 }
 

-void wxRadioBox::SetLabel(const int item, wxBitmap *bitmap)
+void wxRadioBox::SetLabel(int item, wxBitmap *bitmap)

 {
 {

-/*
-    m_radioWidth[item] = bitmap->GetWidth() + FB_MARGIN ;
-    m_radioHeight[item] = bitmap->GetHeight() + FB_MARGIN ;
-*/
+    /*
+       m_radioWidth[item] = bitmap->GetWidth() + FB_MARGIN;
+       m_radioHeight[item] = bitmap->GetHeight() + FB_MARGIN;
+     */
+    wxFAIL_MSG(T("not implemented"));

 }
 
 int wxRadioBox::FindString(const wxString& s) const
 {
 }
 
 int wxRadioBox::FindString(const wxString& s) const
 {

- int i;
- for (i = 0; i < m_noItems; i++)
- {
-  GetWindowText((HWND) m_radioButtons[i], wxBuffer, 1000);
-  if (s == wxBuffer)
-    return i;
- }
- return -1;
+    for (int i = 0; i < m_noItems; i++)
+    {
+        if ( s == wxGetWindowText(m_radioButtons[i]) )
+            return i;
+    }
+
+    return wxNOT_FOUND;

 }
 
 }
 

-void wxRadioBox::SetSelection(const int N)
+void wxRadioBox::SetSelection(int N)

 {
 {

-  if ((N < 0) || (N >= m_noItems))
-    return;
+    wxCHECK_RET( (N >= 0) && (N < m_noItems), T("invalid radiobox index") );

 
 

-// Following necessary for Win32s, because Win32s translate BM_SETCHECK
-  if (m_selectedButton >= 0 && m_selectedButton < m_noItems)
-    SendMessage((HWND) m_radioButtons[m_selectedButton], BM_SETCHECK, 0, 0L);
+    // Following necessary for Win32s, because Win32s translate BM_SETCHECK
+    if (m_selectedButton >= 0 && m_selectedButton < m_noItems)
+        ::SendMessage((HWND) m_radioButtons[m_selectedButton], BM_SETCHECK, 0, 0L);

 
 

-  SendMessage((HWND) m_radioButtons[N], BM_SETCHECK, 1, 0L);
-  m_selectedButton = N;
+    ::SendMessage((HWND)m_radioButtons[N], BM_SETCHECK, 1, 0L);
+    ::SetFocus((HWND)m_radioButtons[N]);
+
+    m_selectedButton = N;

 }
 
 // Get single selection, for single choice list items
 }
 
 // Get single selection, for single choice list items

-int wxRadioBox::GetSelection(void) const
+int wxRadioBox::GetSelection() const

 {
 {

-  return m_selectedButton;
+    return m_selectedButton;

 }
 
 // Find string for position
 }
 
 // Find string for position

-wxString wxRadioBox::GetString(const int N) const
+wxString wxRadioBox::GetString(int N) const

 {
 {

-  GetWindowText((HWND) m_radioButtons[N], wxBuffer, 1000);
-  return wxString(wxBuffer);
+    return wxGetWindowText(m_radioButtons[N]);

 }
 
 }
 

-void wxRadioBox::SetSize(const int x, const int y, const int width, const int height, const int sizeFlags)
+// Restored old code.
+void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)

 {
 {

-  int currentX, currentY;
-  GetPosition(&currentX, &currentY);
-  int xx = x;
-  int yy = y;
-
-  if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
-    xx = currentX;
-  if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
-    yy = currentY;
-
-  char buf[400];
-
-  int y_offset = yy;
-  int x_offset = xx;
-  float current_width;
-
-  float cyf;
-
-  int cx1,cy1 ;
-  wxGetCharSize(m_hWnd, &cx1, &cy1, GetFont());
-  // Attempt to have a look coherent with other platforms:
-  // We compute the biggest toggle dim, then we align all
-  // items according this value.
-  int maxWidth =  -1;
-  int maxHeight = -1 ;
-
-  int i;
-  for (i = 0 ; i < m_noItems; i++)
-  {
-    int eachWidth;
-    int eachHeight ;
-    if (m_radioWidth[i]<0)
-    {
-      // It's a labelled toggle
-      GetWindowText((HWND) m_radioButtons[i], buf, 300);
-      GetTextExtent(buf, &current_width, &cyf,NULL,NULL, GetFont());
-      eachWidth = (int)(current_width + RADIO_SIZE);
-      eachHeight = (int)((3*cyf)/2);
-    }
-    else
-    {
-      eachWidth = m_radioWidth[i] ;
-      eachHeight = m_radioHeight[i] ;
-    }
-    if (maxWidth<eachWidth) maxWidth = eachWidth ;
-    if (maxHeight<eachHeight) maxHeight = eachHeight ;
-  }
+    int currentX, currentY;
+    GetPosition(&currentX, &currentY);
+    int widthOld, heightOld;
+    GetSize(&widthOld, &heightOld);

 
 

-  if (m_hWnd)
-  {
-    int totWidth ;
-    int totHeight;
+    int xx = x;
+    int yy = y;

 
 

-    int nbHor,nbVer;
+    if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
+        xx = currentX;
+    if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
+        yy = currentY;

 
 

-    if (m_windowStyle & wxRA_VERTICAL)
-    {
-      nbVer = m_majorDim ;
-      nbHor = (m_noItems+m_majorDim-1)/m_majorDim ;
-    }
-    else
-    {
-      nbHor = m_majorDim ;
-      nbVer = (m_noItems+m_majorDim-1)/m_majorDim ;
-    }
+    wxString buf;

 
 

-    // this formula works, but I don't know why.
-    // Please, be sure what you do if you modify it!!
-    if (m_radioWidth[0]<0)
-      totHeight = (nbVer * maxHeight) + cy1/2 ;
-    else
-      totHeight = nbVer * (maxHeight+cy1/2) ;
-    totWidth  = nbHor * (maxWidth+cx1) ;
-
-#if (!CTL3D)
-    // Requires a bigger group box in plain Windows
-    MoveWindow((HWND) m_hWnd,x_offset,y_offset,totWidth+cx1,totHeight+(3*cy1)/2,TRUE) ;
-#else
-    MoveWindow((HWND) m_hWnd,x_offset,y_offset,totWidth+cx1,totHeight+cy1,TRUE) ;
-#endif
-    x_offset += cx1;
-    y_offset += cy1;
-  }
+    int y_offset = yy;
+    int x_offset = xx;
+    int current_width, cyf;

 
 

-#if (!CTL3D)
-  y_offset += (int)(cy1/2); // Fudge factor since buttons overlapped label
-                            // JACS 2/12/93. CTL3D draws group label quite high.
-#endif
-  int startX = x_offset ;
-  int startY = y_offset ;
+    int cx1,cy1;
+    wxGetCharSize(m_hWnd, &cx1, &cy1, & GetFont());

 
 

-  for ( i = 0 ; i < m_noItems; i++)
-  {
-    // Bidimensional radio adjustment
-    if (i&&((i%m_majorDim)==0)) // Why is this omitted for i = 0?
-    {
-      if (m_windowStyle & wxRA_VERTICAL)
-      {
-        y_offset = startY;
-        x_offset += maxWidth + cx1 ;
-      }
-      else
-      {
-        x_offset = startX ;
-        y_offset += maxHeight ;
-        if (m_radioWidth[0]>0)
-          y_offset += cy1/2 ;
-      }
-    }
-    int eachWidth ;
-    int eachHeight ;
-    if (m_radioWidth[i]<0)
+    // Attempt to have a look coherent with other platforms: We compute the
+    // biggest toggle dim, then we align all items according this value.
+    int maxWidth =  -1;
+    int maxHeight = -1;
+
+    int i;
+    for (i = 0 ; i < m_noItems; i++)

     {
     {

-      // It's a labeled item
-      GetWindowText((HWND) m_radioButtons[i], buf, 300);
-      GetTextExtent(buf, &current_width, &cyf,NULL,NULL,GetFont());
-
-      // How do we find out radio button bitmap size!!
-      // By adjusting them carefully, manually :-)
-      eachWidth = (int)(current_width + RADIO_SIZE);
-      eachHeight = (int)((3*cyf)/2);
+        int eachWidth;
+        int eachHeight;
+        if (m_radioWidth[i]<0)
+        {
+            // It's a labelled toggle
+            buf = wxGetWindowText(m_radioButtons[i]);
+            GetTextExtent(buf, &current_width, &cyf);
+            eachWidth = (int)(current_width + RADIO_SIZE);
+            eachHeight = (int)((3*cyf)/2);
+        }
+        else
+        {
+            eachWidth = m_radioWidth[i];
+            eachHeight = m_radioHeight[i];
+        }
+
+        if (maxWidth<eachWidth)
+            maxWidth = eachWidth;
+        if (maxHeight<eachHeight)
+            maxHeight = eachHeight;

     }
     }

-    else
+
+    if (m_hWnd)

     {
     {

-      eachWidth = m_radioWidth[i] ;
-      eachHeight = m_radioHeight[i] ;
+        int totWidth;
+        int totHeight;
+
+        int nbHor = GetNumHor(),
+        nbVer = GetNumVer();
+
+        // this formula works, but I don't know why.
+        // Please, be sure what you do if you modify it!!
+        if (m_radioWidth[0]<0)
+            totHeight = (nbVer * maxHeight) + cy1/2;
+        else
+            totHeight = nbVer * (maxHeight+cy1/2);
+        totWidth  = nbHor * (maxWidth+cx1);
+
+        int extraHeight = cy1;
+
+#if defined(CTL3D) && !CTL3D
+        // Requires a bigger group box in plain Windows
+        extraHeight *= 3;
+        extraHeight /= 2;
+#endif
+
+        // only change our width/height if asked for
+        if ( width == -1 )
+        {
+            if ( sizeFlags & wxSIZE_AUTO_WIDTH )
+                width = totWidth + cx1;
+            else
+                width = widthOld;
+        }
+
+        if ( height == -1 )
+        {
+            if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
+                height = totHeight + extraHeight;
+            else 
+                height = heightOld;
+        }
+
+        MoveWindow(GetHwnd(), x_offset, y_offset, width, height, TRUE);
+
+        x_offset += cx1;
+        y_offset += cy1;

     }
 
     }
 

-    MoveWindow((HWND) m_radioButtons[i],x_offset,y_offset,eachWidth,eachHeight,TRUE);
-    if (m_windowStyle & wxRA_VERTICAL)
+#if defined(CTL3D) && (!CTL3D)
+    y_offset += (int)(cy1/2); // Fudge factor since buttons overlapped label
+    // JACS 2/12/93. CTL3D draws group label quite high.
+#endif
+    int startX = x_offset;
+    int startY = y_offset;
+
+    for ( i = 0 ; i < m_noItems; i++)

     {
     {

-      y_offset += maxHeight;
-      if (m_radioWidth[0]>0)
-        y_offset += cy1/2 ;
+        // Bidimensional radio adjustment
+        if (i&&((i%m_majorDim)==0)) // Why is this omitted for i = 0?
+        {
+            if (m_windowStyle & wxRA_VERTICAL)
+            {
+                y_offset = startY;
+                x_offset += maxWidth + cx1;
+            }
+            else
+            {
+                x_offset = startX;
+                y_offset += maxHeight;
+                if (m_radioWidth[0]>0)
+                    y_offset += cy1/2;
+            }
+        }
+        int eachWidth;
+        int eachHeight;
+        if (m_radioWidth[i]<0)
+        {
+            // It's a labeled item
+            buf = wxGetWindowText(m_radioButtons[i]);
+            GetTextExtent(buf, &current_width, &cyf);
+
+            // How do we find out radio button bitmap size!!
+            // By adjusting them carefully, manually :-)
+            eachWidth = (int)(current_width + RADIO_SIZE);
+            eachHeight = (int)((3*cyf)/2);
+        }
+        else
+        {
+            eachWidth = m_radioWidth[i];
+            eachHeight = m_radioHeight[i];
+        }
+
+        MoveWindow((HWND)m_radioButtons[i], x_offset, y_offset,
+                   eachWidth, eachHeight,
+                   TRUE);
+
+        if (m_windowStyle & wxRA_SPECIFY_ROWS)
+        {
+            y_offset += maxHeight;
+            if (m_radioWidth[0]>0)
+                y_offset += cy1/2;
+        }
+        else
+            x_offset += maxWidth + cx1;

     }
     }

-    else
-      x_offset += maxWidth + cx1;
-  }

 }
 
 void wxRadioBox::GetSize(int *width, int *height) const
 {
 }
 
 void wxRadioBox::GetSize(int *width, int *height) const
 {

-  RECT rect;
-  rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
+    RECT rect;
+    rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;

 
 

-  if (m_hWnd)
-    wxFindMaxSize(m_hWnd, &rect);
+    if (m_hWnd)
+        wxFindMaxSize(m_hWnd, &rect);

 
 

-  int i;
-  for (i = 0; i < m_noItems; i++)
-    wxFindMaxSize(m_radioButtons[i], &rect);
+    int i;
+    for (i = 0; i < m_noItems; i++)
+        wxFindMaxSize(m_radioButtons[i], &rect);

 
 

-  *width = rect.right - rect.left;
-  *height = rect.bottom - rect.top;
+    *width = rect.right - rect.left;
+    *height = rect.bottom - rect.top;

 }
 
 void wxRadioBox::GetPosition(int *x, int *y) const
 {
 }
 
 void wxRadioBox::GetPosition(int *x, int *y) const
 {

-  wxWindow *parent = GetParent();
-  RECT rect;
-  rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
-
-  int i;
-  for (i = 0; i < m_noItems; i++)
-    wxFindMaxSize(m_radioButtons[i], &rect);
-
-  if (m_hWnd)
-    wxFindMaxSize(m_hWnd, &rect);
-
-  // Since we now have the absolute screen coords,
-  // if there's a parent we must subtract its top left corner
-  POINT point;
-  point.x = rect.left;
-  point.y = rect.top;
-  if (parent)
-  {
-    ::ScreenToClient((HWND) parent->GetHWND(), &point);
-  }
-
-  *x = point.x;
-  *y = point.y;
-}
+    wxWindow *parent = GetParent();
+    RECT rect;
+    rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;

 
 

-wxString wxRadioBox::GetLabel(void) const
-{
-  if (m_hWnd)
-  {
-    GetWindowText((HWND) m_hWnd, wxBuffer, 300);
-    return wxString(wxBuffer);
-  }
-  else return wxString("");
-}
+    int i;
+    for (i = 0; i < m_noItems; i++)
+        wxFindMaxSize(m_radioButtons[i], &rect);

 
 

-void wxRadioBox::SetLabel(const wxString& label)
-{
-  if (m_hWnd && label)
-    SetWindowText((HWND) m_hWnd, label);
+    if (m_hWnd)
+        wxFindMaxSize(m_hWnd, &rect);
+
+    // Since we now have the absolute screen coords,
+    // if there's a parent we must subtract its top left corner
+    POINT point;
+    point.x = rect.left;
+    point.y = rect.top;
+    if (parent)
+    {
+        ::ScreenToClient((HWND) parent->GetHWND(), &point);
+    }
+    // We may be faking the client origin.
+    // So a window that's really at (0, 30) may appear
+    // (to wxWin apps) to be at (0, 0).
+    if (GetParent())
+    {
+        wxPoint pt(GetParent()->GetClientAreaOrigin());
+        point.x -= pt.x;
+        point.y -= pt.y;
+    }
+
+    *x = point.x;
+    *y = point.y;

 }
 
 }
 

-void wxRadioBox::SetFocus(void)
+void wxRadioBox::SetFocus()

 {
 {

-/*
-  if (m_noItems > 0)
-   ::SetFocus((HWND) m_radioButtons[0]);
-*/
-/* Begin Alberts Patch 26. 5. 1997*/
-  if (m_noItems > 0)
-  {
-    if (m_selectedButton == -1)
-      ::SetFocus((HWND) m_radioButtons[0]);
-    else
-      ::SetFocus((HWND) m_radioButtons[m_selectedButton]);
-  }
-/* Ende Alberts Patch*/
+    if (m_noItems > 0)
+    {
+        if (m_selectedButton == -1)
+            ::SetFocus((HWND) m_radioButtons[0]);
+        else
+            ::SetFocus((HWND) m_radioButtons[m_selectedButton]);
+    }

 
 }
 
 
 }
 

-bool wxRadioBox::Show(const bool show)
+bool wxRadioBox::Show(bool show)

 {
 {

-  int cshow;
-  if (show)
-    cshow = SW_SHOW;
-  else
-    cshow = SW_HIDE;
-  if (m_hWnd)
-    ShowWindow((HWND) m_hWnd, cshow);
-  int i;
-  for (i = 0; i < m_noItems; i++)
-    ShowWindow((HWND) m_radioButtons[i], cshow);
-  return TRUE;
+    if ( !wxControl::Show(show) )
+        return FALSE;
+
+    int nCmdShow = show ? SW_SHOW : SW_HIDE;
+    for ( int i = 0; i < m_noItems; i++ )
+    {
+        ::ShowWindow((HWND)m_radioButtons[i], nCmdShow);
+    }
+
+    return TRUE;

 }
 
 // Enable a specific button
 }
 
 // Enable a specific button

-void wxRadioBox::Enable(const int item, const bool enable)
+void wxRadioBox::Enable(int item, bool enable)

 {
 {

-  if (item<0)
-    wxWindow::Enable(enable) ;
-  else if (item < m_noItems)
+    wxCHECK_RET( item >= 0 && item < m_noItems,
+                 T("invalid item in wxRadioBox::Enable()") );
+

     ::EnableWindow((HWND) m_radioButtons[item], enable);
 }
 
 // Enable all controls
     ::EnableWindow((HWND) m_radioButtons[item], enable);
 }
 
 // Enable all controls

-void wxRadioBox::Enable(const bool enable)
+bool wxRadioBox::Enable(bool enable)

 {
 {

-  wxControl::Enable(enable);
-  
-  int i;
-  for (i = 0; i < m_noItems; i++)
-    ::EnableWindow((HWND) m_radioButtons[i], enable);
+    if ( !wxControl::Enable(enable) )
+        return FALSE;
+
+    for (int i = 0; i < m_noItems; i++)
+        ::EnableWindow((HWND) m_radioButtons[i], enable);
+
+    return TRUE;

 }
 
 // Show a specific button
 }
 
 // Show a specific button

-void wxRadioBox::Show(const int item, const bool show)
+void wxRadioBox::Show(int item, bool show)

 {
 {

-  if (item<0)
-    wxRadioBox::Show(show) ;
-  else if (item < m_noItems)
-  {
-    int cshow;
-    if (show)
-      cshow = SW_SHOW;
-    else
-      cshow = SW_HIDE;
-    ShowWindow((HWND) m_radioButtons[item], cshow);
-  }
+    wxCHECK_RET( item >= 0 && item < m_noItems,
+                 T("invalid item in wxRadioBox::Show()") );
+
+    ::ShowWindow((HWND)m_radioButtons[item], show ? SW_SHOW : SW_HIDE);

 }
 
 }
 

-WXHBRUSH wxRadioBox::OnCtlColor(const WXHDC pDC, const WXHWND pWnd, const WXUINT nCtlColor,
-                       WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
+WXHBRUSH wxRadioBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
+        WXUINT message, WXWPARAM wParam, WXLPARAM lParam)

 {
 {

-#if CTL3D
-  if ( m_useCtl3D )
-  {
-    HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
-    return (WXHBRUSH) hbrush;
-  }
+#if wxUSE_CTL3D
+    if ( m_useCtl3D )
+    {
+        HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
+        return (WXHBRUSH) hbrush;
+    }

 #endif
 
 #endif
 

-  if (GetParent()->GetTransparentBackground())
-    SetBkMode((HDC) pDC, TRANSPARENT);
-  else
-    SetBkMode((HDC) pDC, OPAQUE);
+    if (GetParent()->GetTransparentBackground())
+        SetBkMode((HDC) pDC, TRANSPARENT);
+    else
+        SetBkMode((HDC) pDC, OPAQUE);

 
 

-  ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
-  ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
+    ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
+    ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));

 
 

-  wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
+    wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);

 
 

-  // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
-  // has a zero usage count.
-//  backgroundBrush->RealizeResource();
-  return (WXHBRUSH) backgroundBrush->GetResourceHandle();
+    return (WXHBRUSH) backgroundBrush->GetResourceHandle();

 }
 
 // For single selection items only
 }
 
 // For single selection items only

-wxString wxRadioBox::GetStringSelection (void) const
+wxString wxRadioBox::GetStringSelection() const
+{
+    wxString result;
+    int sel = GetSelection();
+    if (sel > -1)
+        result = GetString(sel);
+
+    return result;
+}
+
+bool wxRadioBox::SetStringSelection(const wxString& s)

 {
 {

-  int sel = GetSelection ();
-  if (sel > -1)
-    return this->GetString (sel);
-  else
-    return wxString("");
+    int sel = FindString (s);
+    if (sel > -1)
+    {
+        SetSelection (sel);
+        return TRUE;
+    }
+    else
+        return FALSE;

 }
 
 }
 

-bool wxRadioBox::SetStringSelection (const wxString& s)
+bool wxRadioBox::ContainsHWND(WXHWND hWnd) const

 {
 {

-  int sel = FindString (s);
-  if (sel > -1)
+    int i;
+    for (i = 0; i < Number(); i++)

     {
     {

-      SetSelection (sel);
-      return TRUE;
+        if (GetRadioButtons()[i] == hWnd)
+            return TRUE;

     }
     }

-  else
+

     return FALSE;
 }
 
     return FALSE;
 }
 

-/*
-void wxRadioBox::SetLabelFont(wxFont *font)
+void wxRadioBox::Command (wxCommandEvent & event)

 {
 {

-  // Decrement the usage count of the old label font
-  // (we may be able to free it up)
-  if (labelFont)
-    labelFont->ReleaseResource();
+    SetSelection (event.m_commandInt);
+    ProcessCommand (event);
+}

 
 

-  labelFont = font;
+void wxRadioBox::SubclassRadioButton(WXHWND hWndBtn)
+{
+#ifdef __WIN32__
+    HWND hwndBtn = (HWND)hWndBtn;

 
 

-  // Increment usage count
-  if (font)
-    font->UseResource();
+    if ( !s_wndprocRadioBtn )
+        s_wndprocRadioBtn = (WXFARPROC)::GetWindowLong(hwndBtn, GWL_WNDPROC);

 
 

-  HWND hWnd = GetHWND();
-  if (hWnd != 0)
-  {
-    if (font)
-    {
-      font->RealizeResource();
-      
-      if (font->GetResourceHandle())
-        SendMessage(hWnd, WM_SETFONT,
-                  (WPARAM)font->GetResourceHandle(),TRUE);
-    }
-  }
+    // No GWL_USERDATA in Win16, so omit this subclassing.
+    ::SetWindowLong(hwndBtn, GWL_WNDPROC, (long)wxRadioBtnWndProc);
+    ::SetWindowLong(hwndBtn, GWL_USERDATA, (long)this);
+#endif // __WIN32__

 }
 
 }
 

-*/
-
-bool wxRadioBox::ContainsHWND(WXHWND hWnd) const
+void wxRadioBox::SendNotificationEvent()

 {
 {

-       int i;
-    for (i = 0; i < Number(); i++)
-       if (GetRadioButtons()[i] == hWnd)
-          return TRUE;
-       return FALSE;
+    wxCommandEvent event(wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId);
+    event.SetInt( m_selectedButton );
+    event.SetString( GetString(m_selectedButton) );
+    event.SetEventObject( this );
+    ProcessCommand(event);

 }
 
 }
 

-void wxRadioBox::Command (wxCommandEvent & event)
+// ---------------------------------------------------------------------------
+// window proc for radio buttons
+// ---------------------------------------------------------------------------
+
+#ifdef __WIN32__
+
+LRESULT APIENTRY _EXPORT wxRadioBtnWndProc(HWND hwnd,
+                                           UINT msg,
+                                           WPARAM wParam,
+                                           LPARAM lParam)

 {
 {

-  SetSelection (event.m_commandInt);
-  ProcessCommand (event);
+    bool processed = TRUE;
+    if ( msg != WM_KEYDOWN )
+        processed = FALSE;        
+
+    if ( processed )
+    {
+        wxRadioBox *radiobox = (wxRadioBox *)::GetWindowLong(hwnd, GWL_USERDATA);
+
+        wxCHECK_MSG( radiobox, 0, T("radio button without radio box?") );
+
+        int sel = radiobox->GetSelection();
+
+        switch ( wParam )
+        {
+            case VK_UP:
+                sel--;
+                break;
+
+            case VK_LEFT:
+                sel -= radiobox->GetNumVer();
+                break;
+
+            case VK_DOWN:
+                sel++;
+                break;
+
+            case VK_RIGHT:
+                sel += radiobox->GetNumVer();
+                break;
+
+            case VK_TAB:
+                {
+                    wxNavigationKeyEvent event;
+                    event.SetDirection(!(::GetKeyState(VK_SHIFT) & 0x100));
+                    event.SetWindowChange(FALSE);
+                    event.SetEventObject(radiobox);
+
+                    if ( radiobox->GetEventHandler()->ProcessEvent(event) )
+                        return 0;
+                }
+                // fall through
+
+            default:
+                processed = FALSE;        
+        }
+
+        if ( processed )
+        {
+            if ( sel >= 0 && sel < radiobox->Number() )
+            {
+                radiobox->SetSelection(sel);
+
+                // emulate the button click
+                radiobox->SendNotificationEvent();
+            }
+        }
+    }
+
+    if ( !processed )
+        return ::CallWindowProc(CASTWNDPROC s_wndprocRadioBtn, hwnd, msg, wParam, lParam);
+    else
+        return 0;

 }
 
 }
 

+#endif // __WIN32__