removing additional offset - why did this ever work ?

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

diff --git a/src/msw/spinctrl.cpp b/src/msw/spinctrl.cpp
index 8beb9485ca43ac762558216adccd8cdc7c453e88..80d15e665b62ac9770a796385deadfde525da2ab 100644 (file)
--- a/src/msw/spinctrl.cpp
+++ b/src/msw/spinctrl.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        msw/spinctrl.cpp
+// Name:        src/msw/spinctrl.cpp
 // Purpose:     wxSpinCtrl class implementation for Win32
 // Author:      Vadim Zeitlin
 // Modified by:
@@ -24,15 +24,17 @@
     #pragma hdrstop
 #endif
 
-#ifndef WX_PRECOMP
-    #include "wx/wx.h"
-#endif
-
 #if wxUSE_SPINCTRL
 
 #include "wx/spinctrl.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
+    #include "wx/event.h"
+    #include "wx/textctrl.h"
+#endif
+
 #include "wx/msw/private.h"
-#include "wx/msw/wrapcctl.h"
 
 #if wxUSE_TOOLTIPS
     #include "wx/tooltip.h"
@@ -109,11 +111,12 @@ wxCONSTRUCTOR_6( wxSpinCtrl , wxWindow* , Parent , wxWindowID , Id , wxString ,
 IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
 #endif
 
+//pmg EVT_KILL_FOCUS
 BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton)
     EVT_CHAR(wxSpinCtrl::OnChar)
 
     EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus)
-
+    EVT_KILL_FOCUS(wxSpinCtrl::OnKillFocus)
     EVT_SPIN(wxID_ANY, wxSpinCtrl::OnSpinChange)
 END_EVENT_TABLE()
 
@@ -197,28 +200,14 @@ wxSpinCtrl *wxSpinCtrl::GetSpinForTextCtrl(WXHWND hwndBuddy)
 // process a WM_COMMAND generated by the buddy text control
 bool wxSpinCtrl::ProcessTextCommand(WXWORD cmd, WXWORD WXUNUSED(id))
 {
-    switch (cmd)
+    if ( cmd == EN_CHANGE )
     {
-    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 GetEventHandler()->ProcessEvent(event);
     }
 
     // not processed
@@ -262,6 +251,13 @@ void wxSpinCtrl::OnChar(wxKeyEvent& event)
     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
@@ -271,6 +267,20 @@ void wxSpinCtrl::OnSetFocus(wxFocusEvent& event)
     event.Skip();
 }
 
+void wxSpinCtrl::NormalizeValue()
+{
+    int value = GetValue();
+    SetValue( value );
+    if (value != m_oldValue)
+    {
+        wxCommandEvent event( wxEVT_COMMAND_SPINCTRL_UPDATED, GetId() );
+        event.SetEventObject( this );
+        event.SetInt( value );
+        GetEventHandler()->ProcessEvent( event );
+        m_oldValue = value;
+    }
+}
+
 // ----------------------------------------------------------------------------
 // construction
 // ----------------------------------------------------------------------------
@@ -358,6 +368,8 @@ bool wxSpinCtrl::Create(wxWindow *parent,
 
     SetRange(min, max);
     SetValue(initial);
+    
+    m_oldValue = initial;
 
     // subclass the text ctrl to be able to intercept some events
     wxSetWindowUserData(GetBuddyHwnd(), this);
@@ -379,7 +391,7 @@ bool wxSpinCtrl::Create(wxWindow *parent,
         sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
     }
 
-    SetBestSize(size);
+    SetInitialSize(size);
 
     (void)::ShowWindow(GetBuddyHwnd(), SW_SHOW);
 
@@ -423,16 +435,36 @@ void wxSpinCtrl::SetValue(const wxString& text)
     }
 }
 
+void  wxSpinCtrl::SetValue(int val)
+{
+    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(_T("%d"), val));
+    }
+    
+    m_oldValue = GetValue();
+}
+
 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;
 
-    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;
 }
@@ -516,14 +548,18 @@ void wxSpinCtrl::OnSpinChange(wxSpinEvent& eventSpin)
 {
     wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId());
     event.SetEventObject(this);
-    event.SetInt(eventSpin.GetPosition());
-
-    (void)GetEventHandler()->ProcessEvent(event);
+    int value = eventSpin.GetPosition();
+    event.SetInt( value );
+    
+    if (value != m_oldValue)
+        (void)GetEventHandler()->ProcessEvent(event);
 
     if ( eventSpin.GetSkipped() )
     {
         event.Skip();
     }
+    
+    m_oldValue = value;
 }
 
 // ----------------------------------------------------------------------------
@@ -596,4 +632,3 @@ void wxSpinCtrl::DoGetPosition(int *x, int *y) const
 }
 
 #endif // wxUSE_SPINCTRL
-