X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9f8130d6b3012265895fd69ce394c443c045b709..dbe44db1e2edbf282db4c1557c2d52beca22abd6:/src/msw/radiobut.cpp

diff --git a/src/msw/radiobut.cpp b/src/msw/radiobut.cpp
index 42bbdc43e5..f3d6507c8c 100644
--- 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:
@@ -26,10 +26,12 @@
 
 #if wxUSE_RADIOBTN
 
+#include "wx/radiobut.h"
+
 #ifndef WX_PRECOMP
-    #include "wx/radiobut.h"
     #include "wx/settings.h"
     #include "wx/dcscreen.h"
+    #include "wx/toplevel.h"
 #endif
 
 #include "wx/msw/private.h"
@@ -156,82 +158,108 @@ bool wxRadioButton::Create(wxWindow *parent,
 
 void wxRadioButton::SetValue(bool value)
 {
-    (void)::SendMessage(GetHwnd(), BM_SETCHECK, (value?BST_CHECKED:BST_UNCHECKED), 0L);
+    ::SendMessage(GetHwnd(), BM_SETCHECK,
+                  value ? BST_CHECKED : BST_UNCHECKED, 0);
 
     m_isChecked = value;
 
+    if ( !value )
+        return;
+
     // if we set the value of one radio button we also must clear all the other
     // buttons in the same group: Windows doesn't do it automatically
-    if ( m_isChecked )
+    //
+    // moreover, 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.
+    wxWindow * const focus = FindFocus();
+    wxTopLevelWindow * const
+        tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
+    wxCHECK_RET( tlw, _T("radio button outside of TLW?") );
+    wxWindow * const focusInTLW = tlw->GetLastFocus();
+
+    const wxWindowList& siblings = GetParent()->GetChildren();
+    wxWindowList::compatibility_iterator nodeThis = siblings.Find(this);
+    wxCHECK_RET( nodeThis, _T("radio button not a child of its parent?") );
+
+    // this will be set to true in the code below if the focus is in our TLW
+    // and belongs to one of the other buttons in the same group
+    bool shouldSetFocus = false;
+
+    // this will be set to true if the focus is outside of our TLW currently
+    // but the remembered focus of this TLW is one of the other buttons in the
+    // same group
+    bool shouldSetTLWFocus = false;
+
+    // if it's not the first item of the group ...
+    if ( !HasFlag(wxRB_GROUP) )
     {
-        // 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?") );
-
-        // if it's not the first item of the group ...
-        if ( !HasFlag(wxRB_GROUP) )
+        // ... turn off all radio buttons before it
+        for ( wxWindowList::compatibility_iterator nodeBefore = nodeThis->GetPrevious();
+              nodeBefore;
+              nodeBefore = nodeBefore->GetPrevious() )
         {
-            // ... turn off all radio buttons before it
-            for ( wxWindowList::compatibility_iterator nodeBefore = nodeThis->GetPrevious();
-                  nodeBefore;
-                  nodeBefore = nodeBefore->GetPrevious() )
+            wxRadioButton *btn = wxDynamicCast(nodeBefore->GetData(),
+                                               wxRadioButton);
+            if ( !btn )
             {
-                wxRadioButton *btn = wxDynamicCast(nodeBefore->GetData(),
-                                                   wxRadioButton);
-                if ( btn && btn->HasFlag(wxRB_SINGLE) )
+                // don't stop on non radio buttons, we could have intermixed
+                // buttons and e.g. static labels
+                continue;
+            }
+
+            if ( btn->HasFlag(wxRB_SINGLE) )
                 {
                     // A wxRB_SINGLE button isn't part of this group
                     break;
                 }
-                
-                if (btn)
-                {
-                    if (btn == pFocusWnd)
-                        shouldSetFocus = true;
 
-                    btn->SetValue(false);
+            if ( btn == focus )
+                shouldSetFocus = true;
+            else if ( btn == focusInTLW )
+                shouldSetTLWFocus = true;
 
-                    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;
-                    }
-                }
-            }
-        }
-
-        // ... and also turn off all buttons after this one
-        for ( wxWindowList::compatibility_iterator nodeAfter = nodeThis->GetNext();
-              nodeAfter;
-              nodeAfter = nodeAfter->GetNext() )
-        {
-            wxRadioButton *btn = wxDynamicCast(nodeAfter->GetData(),
-                                               wxRadioButton);
+            btn->SetValue(false);
 
-            if ( btn && (btn->HasFlag(wxRB_GROUP) || btn->HasFlag(wxRB_SINGLE) ) )
+            if ( btn->HasFlag(wxRB_GROUP) )
             {
-                // no more buttons or the first button of the next group
+                // even if there are other radio buttons before this one,
+                // they're not in the same group with us
                 break;
             }
+        }
+    }
 
-            if (btn)
-            {
-                if (btn == pFocusWnd)
-                        shouldSetFocus = true;
+    // ... and also turn off all buttons after this one
+    for ( wxWindowList::compatibility_iterator nodeAfter = nodeThis->GetNext();
+          nodeAfter;
+          nodeAfter = nodeAfter->GetNext() )
+    {
+        wxRadioButton *btn = wxDynamicCast(nodeAfter->GetData(),
+                                           wxRadioButton);
 
-                btn->SetValue(false);
-            }
+        if ( !btn )
+            continue;
+
+        if ( btn->HasFlag(wxRB_GROUP | wxRB_SINGLE) )
+        {
+            // no more buttons or the first button of the next group
+            break;
         }
-        if (shouldSetFocus)
-            SetFocus();
+
+        if ( btn == focus )
+            shouldSetFocus = true;
+        else if ( btn == focusInTLW )
+            shouldSetTLWFocus = true;
+
+        btn->SetValue(false);
     }
+
+    if ( shouldSetFocus )
+        SetFocus();
+    else if ( shouldSetTLWFocus )
+        tlw->SetLastFocus(this);
 }
 
 bool wxRadioButton::GetValue() const
@@ -289,6 +317,13 @@ wxSize wxRadioButton::DoGetBestSize() const
         dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 
         s_radioSize = dc.GetCharHeight();
+
+        // radio button bitmap size under CE is bigger than the font height,
+        // adding just one pixel seems to work fine for the default font but it
+        // would be nice to find some better way to find the correct height
+#ifdef __WXWINCE__
+        s_radioSize++;
+#endif // __WXWINCE__
     }
 
     wxString str = GetLabel();
@@ -296,7 +331,7 @@ wxSize wxRadioButton::DoGetBestSize() const
     int wRadio, hRadio;
     if ( !str.empty() )
     {
-        GetTextExtent(wxStripMenuCodes(str), &wRadio, &hRadio);
+        GetTextExtent(GetLabelText(str), &wRadio, &hRadio);
         wRadio += s_radioSize + GetCharWidth();
 
         if ( hRadio < s_radioSize )
@@ -313,5 +348,14 @@ wxSize wxRadioButton::DoGetBestSize() const
     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