correction to last commit: don't test unsetenv() return value, it's void under Darwin

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

diff --git a/src/msw/spinctrl.cpp b/src/msw/spinctrl.cpp
index 58673b0e3b38931d4213247b5da8eb40f459a7b2..39e32fbf709d6890613b7c4c3a28796cad72edf1 100644 (file)
--- a/src/msw/spinctrl.cpp
+++ b/src/msw/spinctrl.cpp
@@ -32,6 +32,7 @@
     #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
     #include "wx/event.h"
     #include "wx/textctrl.h"
+    #include "wx/wxcrtvararg.h"
 #endif
 
 #include "wx/msw/private.h"
@@ -87,7 +88,7 @@ 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 )
@@ -111,7 +112,6 @@ 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)
 
@@ -267,6 +267,22 @@ void wxSpinCtrl::OnSetFocus(wxFocusEvent& event)
     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
 // ----------------------------------------------------------------------------
@@ -280,6 +296,11 @@ 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)
@@ -352,8 +373,7 @@ bool wxSpinCtrl::Create(wxWindow *parent,
         return false;
     }
 
-    SetRange(min, max);
-    SetValue(initial);
+    wxSpinButtonBase::SetRange(min, max);
 
     // subclass the text ctrl to be able to intercept some events
     wxSetWindowUserData(GetBuddyHwnd(), this);
@@ -375,16 +395,27 @@ bool wxSpinCtrl::Create(wxWindow *parent,
         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);
 
+    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
@@ -431,8 +462,11 @@ void  wxSpinCtrl::SetValue(int val)
         // 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));
+        ::SetWindowText(GetBuddyHwnd(),
+                        wxString::Format(_T("%d"), val).wx_str());
     }
+
+    m_oldValue = GetValue();
 }
 
 int wxSpinCtrl::GetValue() const
@@ -523,20 +557,26 @@ 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);
-    event.SetInt(eventSpin.GetPosition());
+    event.SetInt(value);
 
     (void)GetEventHandler()->ProcessEvent(event);
 
-    if ( eventSpin.GetSkipped() )
+    m_oldValue = value;
+}
+
+void wxSpinCtrl::OnSpinChange(wxSpinEvent& eventSpin)
+{
+    const int value = eventSpin.GetPosition();
+    if ( value != m_oldValue )
     {
-        event.Skip();
+        SendSpinUpdate(value);
     }
 }