wxXmlNode::GetAttribute's pointer argument must not be NULL, check for it

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

diff --git a/src/msw/radiobut.cpp b/src/msw/radiobut.cpp
index 2d0a0e4f616064cc879e71575bab24bd41e11b72..dddab3e26a2d23f1a86d2e19068d3cf498e4d940 100644 (file)
--- a/src/msw/radiobut.cpp
+++ b/src/msw/radiobut.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        msw/radiobut.cpp
+// Name:        src/msw/radiobut.cpp
 // Purpose:     wxRadioButton
 // Author:      Julian Smart
 // Modified by:
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "radiobut.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -30,8 +26,9 @@
 
 #if wxUSE_RADIOBTN
 
+#include "wx/radiobut.h"
+
 #ifndef WX_PRECOMP
-    #include "wx/radiobut.h"
     #include "wx/settings.h"
     #include "wx/dcscreen.h"
 #endif
@@ -59,7 +56,7 @@ wxBEGIN_FLAGS( wxRadioButtonStyle )
     wxFLAGS_MEMBER(wxBORDER_RAISED)
     wxFLAGS_MEMBER(wxBORDER_STATIC)
     wxFLAGS_MEMBER(wxBORDER_NONE)
-    
+
     // old style border flags
     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
@@ -95,7 +92,7 @@ wxEND_PROPERTIES_TABLE()
 wxBEGIN_HANDLERS_TABLE(wxRadioButton)
 wxEND_HANDLERS_TABLE()
 
-wxCONSTRUCTOR_6( wxRadioButton , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle ) 
+wxCONSTRUCTOR_6( wxRadioButton , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle )
 
 #else
 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
@@ -138,6 +135,8 @@ bool wxRadioButton::Create(wxWindow *parent,
 
     if ( HasFlag(wxCLIP_SIBLINGS) )
         msStyle |= WS_CLIPSIBLINGS;
+    if ( HasFlag(wxALIGN_RIGHT) )
+        msStyle |= BS_LEFTTEXT | BS_RIGHT;
 
     if ( !MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, 0) )
         return false;
@@ -166,6 +165,12 @@ void wxRadioButton::SetValue(bool value)
     // buttons in the same group: Windows doesn't do it automatically
     if ( m_isChecked )
     {
+        // If another radiobutton in the group currently has the focus, we have to
+        // set it to this radiobutton, else the old readiobutton will be reselected
+        // automatically, if a parent window loses the focus and regains it.
+        bool shouldSetFocus = false;
+        wxWindow* pFocusWnd = FindFocus();
+
         const wxWindowList& siblings = GetParent()->GetChildren();
         wxWindowList::compatibility_iterator nodeThis = siblings.Find(this);
         wxCHECK_RET( nodeThis, _T("radio button not a child of its parent?") );
@@ -180,20 +185,25 @@ void wxRadioButton::SetValue(bool value)
             {
                 wxRadioButton *btn = wxDynamicCast(nodeBefore->GetData(),
                                                    wxRadioButton);
-                if ( !btn )
+                if ( btn && btn->HasFlag(wxRB_SINGLE) )
                 {
-                    // the radio buttons in a group must be consecutive, so
-                    // there are no more of them
+                    // A wxRB_SINGLE button isn't part of this group
                     break;
                 }
 
-                btn->SetValue(false);
-
-                if ( btn->HasFlag(wxRB_GROUP) )
+                if (btn)
                 {
-                    // even if there are other radio buttons before this one,
-                    // they're not in the same group with us
-                    break;
+                    if (btn == pFocusWnd)
+                        shouldSetFocus = true;
+
+                    btn->SetValue(false);
+
+                    if ( btn->HasFlag(wxRB_GROUP) )
+                    {
+                        // even if there are other radio buttons before this one,
+                        // they're not in the same group with us
+                        break;
+                    }
                 }
             }
         }
@@ -206,14 +216,22 @@ void wxRadioButton::SetValue(bool value)
             wxRadioButton *btn = wxDynamicCast(nodeAfter->GetData(),
                                                wxRadioButton);
 
-            if ( !btn || btn->HasFlag(wxRB_GROUP) )
+            if ( btn && (btn->HasFlag(wxRB_GROUP) || btn->HasFlag(wxRB_SINGLE) ) )
             {
                 // no more buttons or the first button of the next group
                 break;
             }
 
-            btn->SetValue(false);
+            if (btn)
+            {
+                if (btn == pFocusWnd)
+                        shouldSetFocus = true;
+
+                btn->SetValue(false);
+            }
         }
+        if (shouldSetFocus)
+            SetFocus();
     }
 }
 
@@ -232,7 +250,7 @@ bool wxRadioButton::GetValue() const
 
 void wxRadioButton::Command (wxCommandEvent& event)
 {
-    SetValue(event.m_commandInt != 0);
+    SetValue(event.GetInt() != 0);
     ProcessCommand(event);
 }
 
@@ -279,7 +297,7 @@ wxSize wxRadioButton::DoGetBestSize() const
     int wRadio, hRadio;
     if ( !str.empty() )
     {
-        GetTextExtent(str, &wRadio, &hRadio);
+        GetTextExtent(GetLabelText(str), &wRadio, &hRadio);
         wRadio += s_radioSize + GetCharWidth();
 
         if ( hRadio < s_radioSize )
@@ -291,8 +309,19 @@ wxSize wxRadioButton::DoGetBestSize() const
         hRadio = s_radioSize;
     }
 
-    return wxSize(wRadio, hRadio);
+    wxSize best(wRadio, hRadio);
+    CacheBestSize(best);
+    return best;
 }
 
-#endif // wxUSE_RADIOBTN
+WXDWORD wxRadioButton::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+    WXDWORD styleMSW = wxControl::MSWGetStyle(style, exstyle);
+
+    if ( style & wxRB_GROUP )
+        styleMSW |= WS_GROUP;
 
+    return styleMSW;
+}
+
+#endif // wxUSE_RADIOBTN