X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e816f5c736124307fe587f3fcf3524e699a0f4c1..08bee49e39023211dce786de9cf687b35849e427:/src/msw/spinctrl.cpp

diff --git a/src/msw/spinctrl.cpp b/src/msw/spinctrl.cpp
index d8368999a9..bf56006ade 100644
--- a/src/msw/spinctrl.cpp
+++ b/src/msw/spinctrl.cpp
@@ -87,7 +87,7 @@ 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_RANGE_PROPERTY( Spin , wxEVT_SCROLL_TOP , wxEVT_SCROLL_CHANGED , 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 )
@@ -269,16 +269,17 @@ void wxSpinCtrl::OnSetFocus(wxFocusEvent& event)
 void wxSpinCtrl::NormalizeValue()
 {
     const int value = GetValue();
-    if ( value == m_oldValue )
-        return;
+    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);
 
-    wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId());
-    event.SetEventObject(this);
-    event.SetInt(value);
-    GetEventHandler()->ProcessEvent(event);
-    m_oldValue = value;
+    if ( changed )
+    {
+        SendSpinUpdate(value);
+    }
 }
 
 // ----------------------------------------------------------------------------
@@ -294,6 +295,11 @@ bool wxSpinCtrl::Create(wxWindow *parent,
                         int min, int max, int initial,
                         const wxString& name)
 {
+    // this should be in ctor/init function but I don't want to add one to 2.8
+    // to avoid problems with default ctor which can be inlined in the user
+    // code and so might not get this fix without recompilation
+    m_oldValue = INT_MIN;
+
     // before using DoGetBestSize(), have to set style to let the base class
     // know whether this is a horizontal or vertical control (we're always
     // vertical)
@@ -366,10 +372,7 @@ bool wxSpinCtrl::Create(wxWindow *parent,
         return false;
     }
 
-    SetRange(min, max);
-    SetValue(initial);
-
-    m_oldValue = initial;
+    wxSpinButtonBase::SetRange(min, max);
 
     // subclass the text ctrl to be able to intercept some events
     wxSetWindowUserData(GetBuddyHwnd(), this);
@@ -398,9 +401,20 @@ bool wxSpinCtrl::Create(wxWindow *parent,
     // associate the text window with the spin button
     (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
 
+    SetValue(initial);
+
+    // Set the range in the native control
+    SetRange(min, max);
+
     if ( !value.empty() )
     {
         SetValue(value);
+        m_oldValue = (int) wxAtol(value);
+    }
+    else
+    {
+        SetValue(wxString::Format(wxT("%d"), initial));
+        m_oldValue = initial;
     }
 
     // do it after finishing with m_hwndBuddy creation to avoid generating
@@ -541,25 +555,27 @@ void wxSpinCtrl::DoSetToolTip(wxToolTip *tip)
 #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);
-    int value = eventSpin.GetPosition();
-    event.SetInt( value );
+    event.SetInt(value);
+
+    (void)GetEventHandler()->ProcessEvent(event);
 
-    if (value != m_oldValue)
-        (void)GetEventHandler()->ProcessEvent(event);
+    m_oldValue = value;
+}
 
-    if ( eventSpin.GetSkipped() )
+void wxSpinCtrl::OnSpinChange(wxSpinEvent& eventSpin)
+{
+    const int value = eventSpin.GetPosition();
+    if ( value != m_oldValue )
     {
-        event.Skip();
+        SendSpinUpdate(value);
     }
-
-    m_oldValue = value;
 }
 
 // ----------------------------------------------------------------------------