fix some possible crashes due to uninitialized variables - thanks to Steve Hartwell...

[wxWidgets.git] / src / mac / carbon / bmpbuttn.cpp

diff --git a/src/mac/carbon/bmpbuttn.cpp b/src/mac/carbon/bmpbuttn.cpp
index 9c16d3672ec1447711660173aed72f9a713e4fec..727df6679cab0aa67e1d8b9782adbbb0ae0bd0bf 100644 (file)
--- a/src/mac/carbon/bmpbuttn.cpp
+++ b/src/mac/carbon/bmpbuttn.cpp
@@ -9,10 +9,14 @@
 // Licence:       wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "bmpbuttn.h"
 #endif
 
+#include "wx/wxprec.h"
+
+#if wxUSE_BMPBUTTON
+
 #include "wx/window.h"
 #include "wx/bmpbuttn.h"
 
@@ -29,7 +33,11 @@ bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bit
            const wxValidator& validator,
            const wxString& name)
 {
-    if ( !wxBitmapButtonBase::Create(parent, id, _T(""), pos, size,
+    m_macIsUserPane = FALSE ;
+    
+    // since bitmapbuttonbase is subclass of button calling wxBitmapButtonBase::Create
+    // essentially creates an additional button
+    if ( !wxControl::Create(parent, id, pos, size,
                                      style, validator, name) )
         return false;
 
@@ -49,36 +57,30 @@ bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bit
     int width = size.x;
     int height = size.y;
 
-    if ( width == -1 && bitmap.Ok())
-        width = bitmap.GetWidth() + 2*m_marginX;
-
-    if ( height == -1 && bitmap.Ok())
-        height = bitmap.GetHeight() + 2*m_marginY;
+    if ( bitmap.Ok() )
+    {
+        wxSize newSize = DoGetBestSize();
+        if ( width == -1 )
+            width = newSize.x;
+        if ( height == -1 )
+            height = newSize.y;
+    }
 
-    Rect bounds ;
-    Str255 title ;
     m_bmpNormal = bitmap;
-    wxBitmapRefData * bmap = NULL ;
-    
-    if ( m_bmpNormal.Ok() )
-        bmap = (wxBitmapRefData*) ( m_bmpNormal.GetRefData()) ;
-    
-    MacPreControlCreate( parent , id ,  wxEmptyString , pos , wxSize( width , height ) ,style, validator , name , &bounds , title ) ;
-
-    m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 
-        kControlBehaviorOffsetContents + 
-            ( bmap && bmap->m_bitmapType == kMacBitmapTypeIcon ? 
-            kControlContentCIconHandle : kControlContentPictHandle ) , 0, 
-          (( style & wxBU_AUTODRAW ) ? kControlBevelButtonSmallBevelProc : kControlBevelButtonNormalBevelProc ), (long) this ) ;
-    wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
-    
+        
     ControlButtonContentInfo info ;
     wxMacCreateBitmapButton( &info , m_bmpNormal ) ;
-    if ( info.contentType != kControlNoContent )
-    {
-        ::SetControlData( (ControlHandle) m_macControl , kControlButtonPart , kControlBevelButtonContentTag , sizeof(info) , (char*) &info ) ;
-    }
-    MacPostControlCreate() ;
+
+    Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
+    m_peer = new wxMacControl( this ) ;
+    verify_noerr ( CreateBevelButtonControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , CFSTR("") , 
+        (( style & wxBU_AUTODRAW ) ? kControlBevelButtonSmallBevel : kControlBevelButtonNormalBevel )  , 
+        kControlBehaviorOffsetContents , &info , 0 , 0 , 0 , m_peer->GetControlRefAddr() ) );
+    
+    wxMacReleaseBitmapButton( &info ) ;
+    wxASSERT_MSG( m_peer != NULL && m_peer->Ok() , wxT("No valid mac control") ) ;
+    
+    MacPostControlCreate(pos,size) ;
 
     return TRUE;
 }
@@ -86,12 +88,27 @@ bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bit
 void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
 {
     m_bmpNormal = bitmap;
+    InvalidateBestSize();
 
     ControlButtonContentInfo info ;
     wxMacCreateBitmapButton( &info , m_bmpNormal ) ;
     if ( info.contentType != kControlNoContent )
     {
-        ::SetControlData( (ControlHandle) m_macControl , kControlButtonPart , kControlBevelButtonContentTag , sizeof(info) , (char*) &info ) ;
+        m_peer->SetData( kControlButtonPart , kControlBevelButtonContentTag , info ) ;
     }
+    wxMacReleaseBitmapButton( &info ) ;
 }
 
+
+wxSize wxBitmapButton::DoGetBestSize() const
+{
+    wxSize best;
+    if (m_bmpNormal.Ok())
+    {
+        best.x = m_bmpNormal.GetWidth() + 2*m_marginX;
+        best.y = m_bmpNormal.GetHeight() + 2*m_marginY;
+    }
+    return best;
+}
+
+#endif