Enable variadic macros for VC9 and later.

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

diff --git a/src/msw/spinctrl.cpp b/src/msw/spinctrl.cpp
index 283d9fe0e356d28e4072205a44ae48d3144813a9..0017413e0ac8fbb09c3b14dbe0491633b73c4844 100644 (file)
--- a/src/msw/spinctrl.cpp
+++ b/src/msw/spinctrl.cpp
@@ -1,11 +1,11 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        msw/spinctrl.cpp
+// Name:        src/msw/spinctrl.cpp

 // Purpose:     wxSpinCtrl class implementation for Win32
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     22.07.99
 // RCS-ID:      $Id$
 // Purpose:     wxSpinCtrl class implementation for Win32
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     22.07.99
 // RCS-ID:      $Id$

-// Copyright:   (c) Vadim Zeitlin
+// Copyright:   (c) 1999-2005 Vadim Zeitlin

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 


@@ -13,11 +13,6 @@
 // declarations
 // ============================================================================
 
 // declarations
 // ============================================================================
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "spinctrlbase.h"
-    #pragma implementation "spinctrl.h"
-#endif
-

 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------


@@ -29,98 +24,34 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

-#ifndef WX_PRECOMP
-    #include "wx/wx.h"
-#endif
-

 #if wxUSE_SPINCTRL
 
 #if wxUSE_SPINCTRL
 

-#if defined(__WIN95__)
-

 #include "wx/spinctrl.h"
 #include "wx/spinctrl.h"

-#include "wx/msw/private.h"

 
 

-#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__))
-    #include <commctrl.h>
+#ifndef WX_PRECOMP
+    #include "wx/hashmap.h"
+    #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
+    #include "wx/event.h"
+    #include "wx/textctrl.h"
+    #include "wx/wxcrtvararg.h"

 #endif
 
 #endif
 

+#include "wx/msw/private.h"
+
+#if wxUSE_TOOLTIPS
+    #include "wx/tooltip.h"
+#endif // wxUSE_TOOLTIPS
+

 #include <limits.h>         // for INT_MIN
 
 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------
 
 #include <limits.h>         // for INT_MIN
 
 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------
 

-#if wxUSE_EXTENDED_RTTI
-WX_DEFINE_FLAGS( wxSpinCtrlStyle )
-
-wxBEGIN_FLAGS( wxSpinCtrlStyle )
-    // new style border flags, we put them first to
-    // use them for streaming out
-    wxFLAGS_MEMBER(wxBORDER_SIMPLE)
-    wxFLAGS_MEMBER(wxBORDER_SUNKEN)
-    wxFLAGS_MEMBER(wxBORDER_DOUBLE)
-    wxFLAGS_MEMBER(wxBORDER_RAISED)
-    wxFLAGS_MEMBER(wxBORDER_STATIC)
-    wxFLAGS_MEMBER(wxBORDER_NONE)
-
-    // old style border flags
-    wxFLAGS_MEMBER(wxSIMPLE_BORDER)
-    wxFLAGS_MEMBER(wxSUNKEN_BORDER)
-    wxFLAGS_MEMBER(wxDOUBLE_BORDER)
-    wxFLAGS_MEMBER(wxRAISED_BORDER)
-    wxFLAGS_MEMBER(wxSTATIC_BORDER)
-    wxFLAGS_MEMBER(wxBORDER)
-
-    // standard window styles
-    wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
-    wxFLAGS_MEMBER(wxCLIP_CHILDREN)
-    wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
-    wxFLAGS_MEMBER(wxWANTS_CHARS)
-    wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
-    wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
-    wxFLAGS_MEMBER(wxVSCROLL)
-    wxFLAGS_MEMBER(wxHSCROLL)
-
-    wxFLAGS_MEMBER(wxSP_HORIZONTAL)
-    wxFLAGS_MEMBER(wxSP_VERTICAL)
-    wxFLAGS_MEMBER(wxSP_ARROW_KEYS)
-    wxFLAGS_MEMBER(wxSP_WRAP)
-
-wxEND_FLAGS( wxSpinCtrlStyle )
-
-IMPLEMENT_DYNAMIC_CLASS_XTI(wxSpinCtrl, wxControl,"wx/spinbut.h")
-
-wxBEGIN_PROPERTIES_TABLE(wxSpinCtrl)
-    wxEVENT_RANGE_PROPERTY( Spin , wxEVT_SCROLL_TOP , wxEVT_SCROLL_ENDSCROLL , wxSpinEvent )
-    wxEVENT_PROPERTY( Updated , wxEVT_COMMAND_SPINCTRL_UPDATED , wxCommandEvent )
-    wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent )
-    wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent )
-
-    wxPROPERTY( ValueString , wxString , SetValue , GetValue , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) ;
-    wxPROPERTY( Value , int , SetValue, GetValue, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-    wxPROPERTY( Min , int , SetMin, GetMin, 0, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
-    wxPROPERTY( Max , int , SetMax, GetMax, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-    wxPROPERTY_FLAGS( WindowStyle , wxSpinCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
-/*
-    TODO PROPERTIES
-        style wxSP_ARROW_KEYS
-*/
-wxEND_PROPERTIES_TABLE()
-
-wxBEGIN_HANDLERS_TABLE(wxSpinCtrl)
-wxEND_HANDLERS_TABLE()
-
-wxCONSTRUCTOR_6( wxSpinCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , ValueString , wxPoint , Position , wxSize , Size , long , WindowStyle )
-#else
-IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
-#endif
-

 BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton)
     EVT_CHAR(wxSpinCtrl::OnChar)
 BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton)
     EVT_CHAR(wxSpinCtrl::OnChar)

-

     EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus)
     EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus)

-
-    EVT_SPIN(wxID_ANY, wxSpinCtrl::OnSpinChange)
+    EVT_KILL_FOCUS(wxSpinCtrl::OnKillFocus)

 END_EVENT_TABLE()
 
 #define GetBuddyHwnd()      (HWND)(m_hwndBuddy)
 END_EVENT_TABLE()
 
 #define GetBuddyHwnd()      (HWND)(m_hwndBuddy)


@@ -134,12 +65,28 @@ END_EVENT_TABLE()
 // font size?)
 static const int MARGIN_BETWEEN = 1;
 
 // font size?)
 static const int MARGIN_BETWEEN = 1;
 

+
+// ---------------------------------------------------------------------------
+// global vars
+// ---------------------------------------------------------------------------
+
+namespace
+{
+
+// Global hash used to find the spin control corresponding to the given buddy
+// text control HWND.
+WX_DECLARE_HASH_MAP(HWND, wxSpinCtrl *,
+                    wxPointerHash, wxPointerEqual,
+                    SpinForTextCtrl);
+
+SpinForTextCtrl gs_spinForTextCtrl;
+
+} // anonymous namespace
+

 // ============================================================================
 // implementation
 // ============================================================================
 
 // ============================================================================
 // implementation
 // ============================================================================
 

-wxArraySpins wxSpinCtrl::ms_allSpins;
-

 // ----------------------------------------------------------------------------
 // wnd proc for the buddy text ctrl
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wnd proc for the buddy text ctrl
 // ----------------------------------------------------------------------------


@@ -149,10 +96,9 @@ LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd,
                                             WPARAM wParam,
                                             LPARAM lParam)
 {
                                             WPARAM wParam,
                                             LPARAM lParam)
 {

-    wxSpinCtrl *spin = (wxSpinCtrl *)wxGetWindowUserData(hwnd);
+    wxSpinCtrl * const spin = wxSpinCtrl::GetSpinForTextCtrl(hwnd);

 
 

-    // forward some messages (the key and focus ones only so far) to
-    // the spin ctrl
+    // forward some messages (mostly the key and focus ones) to the spin ctrl

     switch ( message )
     {
         case WM_SETFOCUS:
     switch ( message )
     {
         case WM_SETFOCUS:


@@ -167,16 +113,44 @@ LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd,
         case WM_DEADCHAR:
         case WM_KEYUP:
         case WM_KEYDOWN:
         case WM_DEADCHAR:
         case WM_KEYUP:
         case WM_KEYDOWN:

-            spin->MSWWindowProc(message, wParam, lParam);
-
-            // The control may have been deleted at this point, so check.
-            if ( !::IsWindow(hwnd) || wxGetWindowUserData(hwnd) != spin )
-                return 0;
+#ifdef WM_HELP
+        // we need to forward WM_HELP too to ensure that the context help
+        // associated with wxSpinCtrl is shown when the text control part of it
+        // is clicked with the "?" cursor
+        case WM_HELP:
+#endif
+            {
+                WXLRESULT result;
+                if ( spin->MSWHandleMessage(&result, message, wParam, lParam) )
+                {
+                    // Do not let the message be processed by the window proc
+                    // of the text control if it had been already handled at wx
+                    // level, this is consistent with what happens for normal,
+                    // non-composite controls.
+                    return 0;
+                }
+
+                // The control may have been deleted at this point, so check.
+                if ( !::IsWindow(hwnd) )
+                    return 0;
+            }

             break;
 
         case WM_GETDLGCODE:
             break;
 
         case WM_GETDLGCODE:

-            // we want to get WXK_RETURN in order to generate the event for it
-            return DLGC_WANTCHARS;
+            if ( spin->HasFlag(wxTE_PROCESS_ENTER) )
+            {
+                long dlgCode = ::CallWindowProc
+                                 (
+                                    CASTWNDPROC spin->GetBuddyWndProc(),
+                                    hwnd,
+                                    message,
+                                    wParam,
+                                    lParam
+                                 );
+                dlgCode |= DLGC_WANTMESSAGE;
+                return dlgCode;
+            }
+            break;

     }
 
     return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(),
     }
 
     return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(),


@@ -186,16 +160,16 @@ LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd,
 /* static */
 wxSpinCtrl *wxSpinCtrl::GetSpinForTextCtrl(WXHWND hwndBuddy)
 {
 /* static */
 wxSpinCtrl *wxSpinCtrl::GetSpinForTextCtrl(WXHWND hwndBuddy)
 {

-    wxSpinCtrl *spin = (wxSpinCtrl *)wxGetWindowUserData((HWND)hwndBuddy);
-
-    int i = ms_allSpins.Index(spin);
-
-    if ( i == wxNOT_FOUND )
+    const SpinForTextCtrl::const_iterator
+        it = gs_spinForTextCtrl.find(hwndBuddy);
+    if ( it == gs_spinForTextCtrl.end() )

         return NULL;
 
         return NULL;
 

+    wxSpinCtrl * const spin = it->second;
+

     // sanity check
     wxASSERT_MSG( spin->m_hwndBuddy == hwndBuddy,
     // sanity check
     wxASSERT_MSG( spin->m_hwndBuddy == hwndBuddy,

-                  _T("wxSpinCtrl has incorrect buddy HWND!") );
+                  wxT("wxSpinCtrl has incorrect buddy HWND!") );

 
     return spin;
 }
 
     return spin;
 }


@@ -203,28 +177,14 @@ wxSpinCtrl *wxSpinCtrl::GetSpinForTextCtrl(WXHWND hwndBuddy)
 // process a WM_COMMAND generated by the buddy text control
 bool wxSpinCtrl::ProcessTextCommand(WXWORD cmd, WXWORD WXUNUSED(id))
 {
 // process a WM_COMMAND generated by the buddy text control
 bool wxSpinCtrl::ProcessTextCommand(WXWORD cmd, WXWORD WXUNUSED(id))
 {

-    switch (cmd)
+    if ( (cmd == EN_CHANGE) && (!m_blockEvent ))

     {
     {

-    case EN_CHANGE:
-        {
-            wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
-            event.SetEventObject(this);
-            wxString val = wxGetWindowText(m_hwndBuddy);
-            event.SetString(val);
-            event.SetInt(GetValue());
-            return GetEventHandler()->ProcessEvent(event);
-        }
-    case EN_SETFOCUS:
-    case EN_KILLFOCUS:
-        {
-            wxFocusEvent event(cmd == EN_KILLFOCUS ? wxEVT_KILL_FOCUS
-                    : wxEVT_SET_FOCUS,
-                    m_windowId);
-            event.SetEventObject( this );
-            return GetEventHandler()->ProcessEvent(event);
-        }
-     default:
-        break;
+        wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
+        event.SetEventObject(this);
+        wxString val = wxGetWindowText(m_hwndBuddy);
+        event.SetString(val);
+        event.SetInt(GetValue());
+        return HandleWindowEvent(event);

     }
 
     // not processed
     }
 
     // not processed


@@ -242,7 +202,7 @@ void wxSpinCtrl::OnChar(wxKeyEvent& event)
                 wxString val = wxGetWindowText(m_hwndBuddy);
                 event.SetString(val);
                 event.SetInt(GetValue());
                 wxString val = wxGetWindowText(m_hwndBuddy);
                 event.SetString(val);
                 event.SetInt(GetValue());

-                if ( GetEventHandler()->ProcessEvent(event) )
+                if ( HandleWindowEvent(event) )

                     return;
                 break;
             }
                     return;
                 break;
             }


@@ -258,7 +218,7 @@ void wxSpinCtrl::OnChar(wxKeyEvent& event)
                 eventNav.SetWindowChange(event.ControlDown());
                 eventNav.SetEventObject(this);
 
                 eventNav.SetWindowChange(event.ControlDown());
                 eventNav.SetEventObject(this);
 

-                if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
+                if ( GetParent()->HandleWindowEvent(eventNav) )

                     return;
             }
             break;
                     return;
             }
             break;


@@ -268,6 +228,13 @@ void wxSpinCtrl::OnChar(wxKeyEvent& event)
     event.Skip();
 }
 
     event.Skip();
 }
 

+void wxSpinCtrl::OnKillFocus(wxFocusEvent& event)
+{
+    // ensure that a correct value is shown by the control
+    NormalizeValue();
+    event.Skip();
+}
+

 void wxSpinCtrl::OnSetFocus(wxFocusEvent& event)
 {
     // when we get focus, give it to our buddy window as it needs it more than
 void wxSpinCtrl::OnSetFocus(wxFocusEvent& event)
 {
     // when we get focus, give it to our buddy window as it needs it more than


@@ -277,10 +244,34 @@ void wxSpinCtrl::OnSetFocus(wxFocusEvent& event)
     event.Skip();
 }
 
     event.Skip();
 }
 

+void wxSpinCtrl::NormalizeValue()
+{
+    const int value = GetValue();
+    const bool changed = value != m_oldValue;
+
+    // notice that we have to call SetValue() even if the value didn't change
+    // because otherwise we could be left with empty buddy control when value
+    // is 0, see comment in SetValue()
+    SetValue(value);
+
+    if ( changed )
+    {
+        SendSpinUpdate(value);
+    }
+}
+

 // ----------------------------------------------------------------------------
 // construction
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // construction
 // ----------------------------------------------------------------------------
 

+void wxSpinCtrl::Init()
+{
+    m_blockEvent = false;
+    m_hwndBuddy = NULL;
+    m_wndProcBuddy = NULL;
+    m_oldValue = INT_MIN;
+}
+

 bool wxSpinCtrl::Create(wxWindow *parent,
                         wxWindowID id,
                         const wxString& value,
 bool wxSpinCtrl::Create(wxWindow *parent,
                         wxWindowID id,
                         const wxString& value,


@@ -307,7 +298,17 @@ bool wxSpinCtrl::Create(wxWindow *parent,
     WXDWORD exStyle = 0;
     WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ;
 
     WXDWORD exStyle = 0;
     WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ;
 

-    // calculate the sizes: the size given is the toal size for both controls
+    // Scroll text automatically if there is not enough space to show all of
+    // it, this is better than not allowing to enter more digits at all.
+    msStyle |= ES_AUTOHSCROLL;
+
+    // propagate text alignment style to text ctrl
+    if ( style & wxALIGN_RIGHT )
+        msStyle |= ES_RIGHT;
+    else if ( style & wxALIGN_CENTER )
+        msStyle |= ES_CENTER;
+
+    // calculate the sizes: the size given is the total size for both controls

     // and we need to fit them both in the given width (height is the same)
     wxSize sizeText(size), sizeBtn(size);
     sizeBtn.x = wxSpinButton::DoGetBestSize().x;
     // and we need to fit them both in the given width (height is the same)
     wxSize sizeText(size), sizeBtn(size);
     sizeBtn.x = wxSpinButton::DoGetBestSize().x;


@@ -320,7 +321,7 @@ bool wxSpinCtrl::Create(wxWindow *parent,
     sizeText.x -= sizeBtn.x + MARGIN_BETWEEN;
     if ( sizeText.x <= 0 )
     {
     sizeText.x -= sizeBtn.x + MARGIN_BETWEEN;
     if ( sizeText.x <= 0 )
     {

-        wxLogDebug(_T("not enough space for wxSpinCtrl!"));
+        wxLogDebug(wxT("not enough space for wxSpinCtrl!"));

     }
 
     wxPoint posBtn(pos);
     }
 
     wxPoint posBtn(pos);


@@ -337,7 +338,7 @@ bool wxSpinCtrl::Create(wxWindow *parent,
     m_hwndBuddy = (WXHWND)::CreateWindowEx
                     (
                      exStyle,                // sunken border
     m_hwndBuddy = (WXHWND)::CreateWindowEx
                     (
                      exStyle,                // sunken border

-                     _T("EDIT"),             // window class
+                     wxT("EDIT"),             // window class

                      NULL,                   // no window title
                      msStyle,                // style (will be shown later)
                      pos.x, pos.y,           // position
                      NULL,                   // no window title
                      msStyle,                // style (will be shown later)
                      pos.x, pos.y,           // position


@@ -362,11 +363,11 @@ bool wxSpinCtrl::Create(wxWindow *parent,
         return false;
     }
 
         return false;
     }
 

-    SetRange(min, max);
-    SetValue(initial);
+    wxSpinButtonBase::SetRange(min, max);

 
     // subclass the text ctrl to be able to intercept some events
 
     // subclass the text ctrl to be able to intercept some events

-    wxSetWindowUserData(GetBuddyHwnd(), this);
+    gs_spinForTextCtrl[GetBuddyHwnd()] = this;
+

     m_wndProcBuddy = (WXFARPROC)wxSetWindowProc(GetBuddyHwnd(),
                                                 wxBuddyTextWndProc);
 
     m_wndProcBuddy = (WXFARPROC)wxSetWindowProc(GetBuddyHwnd(),
                                                 wxBuddyTextWndProc);
 


@@ -385,36 +386,43 @@ bool wxSpinCtrl::Create(wxWindow *parent,
         sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
     }
 
         sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
     }
 

-    SetBestSize(size);
+    SetInitialSize(size);

 
     (void)::ShowWindow(GetBuddyHwnd(), SW_SHOW);
 
     // associate the text window with the spin button
     (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
 
 
     (void)::ShowWindow(GetBuddyHwnd(), SW_SHOW);
 
     // associate the text window with the spin button
     (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
 

-    if ( !value.IsEmpty() )
-    {
-        SetValue(value);
-    }
+    // If the initial text value is actually a number, it overrides the
+    // "initial" argument specified later.
+    long initialFromText;
+    if ( value.ToLong(&initialFromText) )
+        initial = initialFromText;

 
 

-    // do it after finishing with m_hwndBuddy creation to avoid generating
-    // initial wxEVT_COMMAND_TEXT_UPDATED message
-    ms_allSpins.Add(this);
+    SetValue(initial);
+
+    m_oldValue = initial;
+
+    // Set the range in the native control
+    SetRange(min, max);
+
+    // Also set the text part of the control if it was specified independently
+    // but don't generate an event for this, it would be unexpected.
+    m_blockEvent = true;
+    if ( !value.empty() )
+        SetValue(value);
+    m_blockEvent = false;

 
     return true;
 }
 
 wxSpinCtrl::~wxSpinCtrl()
 {
 
     return true;
 }
 
 wxSpinCtrl::~wxSpinCtrl()
 {

-    ms_allSpins.Remove(this);
-
-    // This removes spurious memory leak reporting
-    if (ms_allSpins.GetCount() == 0)
-        ms_allSpins.Clear();
-

     // destroy the buddy window because this pointer which wxBuddyTextWndProc
     // uses will not soon be valid any more
     // destroy the buddy window because this pointer which wxBuddyTextWndProc
     // uses will not soon be valid any more

-    ::DestroyWindow(GetBuddyHwnd());
+    ::DestroyWindow( GetBuddyHwnd() );
+
+    gs_spinForTextCtrl.erase(GetBuddyHwnd());

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -429,16 +437,41 @@ void wxSpinCtrl::SetValue(const wxString& text)
     }
 }
 
     }
 }
 

+void  wxSpinCtrl::SetValue(int val)
+{
+    m_blockEvent = true;
+
+    wxSpinButton::SetValue(val);
+
+    // normally setting the value of the spin button is enough as it updates
+    // its buddy control automatically ...
+    if ( wxGetWindowText(m_hwndBuddy).empty() )
+    {
+        // ... but sometimes it doesn't, notably when the value is 0 and the
+        // text control is currently empty, the spin button seems to be happy
+        // to leave it like this, while we really want to always show the
+        // current value in the control, so do it manually
+        ::SetWindowText(GetBuddyHwnd(),
+                        wxString::Format(wxT("%d"), val).wx_str());
+    }
+
+    m_oldValue = GetValue();
+
+    m_blockEvent = false;
+}
+

 int wxSpinCtrl::GetValue() const
 {
     wxString val = wxGetWindowText(m_hwndBuddy);
 
     long n;
 int wxSpinCtrl::GetValue() const
 {
     wxString val = wxGetWindowText(m_hwndBuddy);
 
     long n;

-    if ( (wxSscanf(val, wxT("%lu"), &n) != 1) )
+    if ( (wxSscanf(val, wxT("%ld"), &n) != 1) )

         n = INT_MIN;
         n = INT_MIN;

-        
-    if (n < m_min) n = m_min;
-    if (n > m_max) n = m_max;
+
+    if ( n < m_min )
+        n = m_min;
+    if ( n > m_max )
+        n = m_max;

 
     return n;
 }
 
     return n;
 }


@@ -452,7 +485,29 @@ void wxSpinCtrl::SetSelection(long from, long to)
         from = 0;
     }
 
         from = 0;
     }
 

-    ::SendMessage((HWND)m_hwndBuddy, EM_SETSEL, (WPARAM)from, (LPARAM)to);
+    ::SendMessage(GetBuddyHwnd(), EM_SETSEL, (WPARAM)from, (LPARAM)to);
+}
+
+// ----------------------------------------------------------------------------
+// wxSpinButton methods
+// ----------------------------------------------------------------------------
+
+void wxSpinCtrl::SetRange(int minVal, int maxVal)
+{
+    wxSpinButton::SetRange(minVal, maxVal);
+
+    // this control is used for numeric entry so restrict the input to numeric
+    // keys only -- but only if we don't need to be able to enter "-" in it as
+    // otherwise this would become impossible
+    const DWORD styleOld = ::GetWindowLong(GetBuddyHwnd(), GWL_STYLE);
+    DWORD styleNew;
+    if ( minVal < 0 )
+        styleNew = styleOld & ~ES_NUMBER;
+    else
+        styleNew = styleOld | ES_NUMBER;
+
+    if ( styleNew != styleOld )
+        ::SetWindowLong(GetBuddyHwnd(), GWL_STYLE, styleNew);

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -485,6 +540,53 @@ bool wxSpinCtrl::Show(bool show)
     return true;
 }
 
     return true;
 }
 

+bool wxSpinCtrl::Reparent(wxWindowBase *newParent)
+{
+    // Reparenting both the updown control and its buddy does not seem to work:
+    // they continue to be connected somehow, but visually there is no feedback
+    // on the buddy edit control. To avoid this problem, we reparent the buddy
+    // window normally, but we recreate the updown control and reassign its
+    // buddy.
+
+    // Get the position before changing the parent as it would be offset after
+    // changing it.
+    const wxRect rect = GetRect();
+
+    if ( !wxWindowBase::Reparent(newParent) )
+        return false;
+
+    newParent->GetChildren().DeleteObject(this);
+
+    // destroy the old spin button after detaching it from this wxWindow object
+    // (notice that m_hWnd will be reset by UnsubclassWin() so save it first)
+    const HWND hwndOld = GetHwnd();
+    UnsubclassWin();
+    if ( !::DestroyWindow(hwndOld) )
+    {
+        wxLogLastError(wxT("DestroyWindow"));
+    }
+
+    // create and initialize the new one
+    if ( !wxSpinButton::Create(GetParent(), GetId(),
+                               rect.GetPosition(), rect.GetSize(),
+                               GetWindowStyle(), GetName()) )
+        return false;
+
+    // reapply our values to wxSpinButton
+    wxSpinButton::SetValue(GetValue());
+    SetRange(m_min, m_max);
+
+    // also set the size again with wxSIZE_ALLOW_MINUS_ONE flag: this is
+    // necessary if our original position used -1 for either x or y
+    SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
+
+    // associate it with the buddy control again
+    ::SetParent(GetBuddyHwnd(), GetHwndOf(GetParent()));
+    (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)GetBuddyHwnd(), 0);
+
+    return true;
+}
+

 bool wxSpinCtrl::Enable(bool enable)
 {
     if ( !wxControl::Enable(enable) )
 bool wxSpinCtrl::Enable(bool enable)
 {
     if ( !wxControl::Enable(enable) )


@@ -492,7 +594,7 @@ bool wxSpinCtrl::Enable(bool enable)
         return false;
     }
 
         return false;
     }
 

-    ::EnableWindow(GetBuddyHwnd(), enable);
+    MSWEnableHWND(GetBuddyHwnd(), enable);

 
     return true;
 }
 
     return true;
 }


@@ -502,24 +604,64 @@ void wxSpinCtrl::SetFocus()
     ::SetFocus(GetBuddyHwnd());
 }
 
     ::SetFocus(GetBuddyHwnd());
 }
 

+#if wxUSE_TOOLTIPS
+
+void wxSpinCtrl::DoSetToolTip(wxToolTip *tip)
+{
+    wxSpinButton::DoSetToolTip(tip);
+
+    if ( tip )
+        tip->AddOtherWindow(m_hwndBuddy);
+}
+
+#endif // wxUSE_TOOLTIPS
+

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

-// event processing
+// events processing and generation

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

-void wxSpinCtrl::OnSpinChange(wxSpinEvent& eventSpin)
+void wxSpinCtrl::SendSpinUpdate(int value)

 {
     wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId());
     event.SetEventObject(this);
 {
     wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId());
     event.SetEventObject(this);

-    event.SetInt(eventSpin.GetPosition());
+    event.SetInt(value);

 
 

-    (void)GetEventHandler()->ProcessEvent(event);
+    (void)HandleWindowEvent(event);

 
 

-    if ( eventSpin.GetSkipped() )
+    m_oldValue = value;
+}
+
+bool wxSpinCtrl::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
+                               WXWORD pos, WXHWND control)
+{
+    wxCHECK_MSG( control, false, wxT("scrolling what?") );
+
+    if ( wParam != SB_THUMBPOSITION )

     {
     {

-        event.Skip();
+        // probable SB_ENDSCROLL - we don't react to it
+        return false;

     }
     }

+
+    int new_value = (short) pos;
+    if (m_oldValue != new_value)
+       SendSpinUpdate( new_value );
+
+    return TRUE;

 }
 
 }
 

+bool wxSpinCtrl::MSWOnNotify(int WXUNUSED(idCtrl), WXLPARAM lParam, WXLPARAM *result)
+{
+    NM_UPDOWN *lpnmud = (NM_UPDOWN *)lParam;
+
+    if (lpnmud->hdr.hwndFrom != GetHwnd()) // make sure it is the right control
+        return false;
+
+    *result = 0;  // never reject UP and DOWN events
+
+    return TRUE;
+}
+
+

 // ----------------------------------------------------------------------------
 // size calculations
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // size calculations
 // ----------------------------------------------------------------------------


@@ -553,19 +695,15 @@ void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
     int widthText = width - widthBtn - MARGIN_BETWEEN;
     if ( widthText <= 0 )
     {
     int widthText = width - widthBtn - MARGIN_BETWEEN;
     if ( widthText <= 0 )
     {

-        wxLogDebug(_T("not enough space for wxSpinCtrl!"));
+        wxLogDebug(wxT("not enough space for wxSpinCtrl!"));

     }
 
     }
 

-    if ( !::MoveWindow(GetBuddyHwnd(), x, y, widthText, height, TRUE) )
-    {
-        wxLogLastError(wxT("MoveWindow(buddy)"));
-    }
+    // 1) The buddy window
+    DoMoveSibling(m_hwndBuddy, x, y, widthText, height);

 
 

+    // 2) The button window

     x += widthText + MARGIN_BETWEEN;
     x += widthText + MARGIN_BETWEEN;

-    if ( !::MoveWindow(GetHwnd(), x, y, widthBtn, height, TRUE) )
-    {
-        wxLogLastError(wxT("MoveWindow"));
-    }
+    wxSpinButton::DoMoveWindow(x, y, widthBtn, height);

 }
 
 // get total size of the control
 }
 
 // get total size of the control


@@ -582,6 +720,19 @@ void wxSpinCtrl::DoGetSize(int *x, int *y) const
         *y = ctrlrect.bottom - ctrlrect.top;
 }
 
         *y = ctrlrect.bottom - ctrlrect.top;
 }
 

+void wxSpinCtrl::DoGetClientSize(int *x, int *y) const
+{
+    RECT spinrect = wxGetClientRect(GetHwnd());
+    RECT textrect = wxGetClientRect(GetBuddyHwnd());
+    RECT ctrlrect;
+    UnionRect(&ctrlrect,&textrect, &spinrect);
+
+    if ( x )
+        *x = ctrlrect.right - ctrlrect.left;
+    if ( y )
+        *y = ctrlrect.bottom - ctrlrect.top;
+}
+

 void wxSpinCtrl::DoGetPosition(int *x, int *y) const
 {
     // hack: pretend that our HWND is the text control just for a moment
 void wxSpinCtrl::DoGetPosition(int *x, int *y) const
 {
     // hack: pretend that our HWND is the text control just for a moment


@@ -593,8 +744,4 @@ void wxSpinCtrl::DoGetPosition(int *x, int *y) const
     wxConstCast(this, wxSpinCtrl)->m_hWnd = hWnd;
 }
 
     wxConstCast(this, wxSpinCtrl)->m_hWnd = hWnd;
 }
 

-#endif // __WIN95__
-
-#endif
-       // wxUSE_SPINCTRL
-
+#endif // wxUSE_SPINCTRL