Add wxHAS_BITMAPTOGGLEBUTTON and test for it in the unit test.

Not all ports define wxBitmapToggleButton class currently, so add a special
symbol which is defined only if this class is indeed available and test for it
in the unit test for this class.

This fixes the tests compilation under wxX11.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65706 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/doxygen/mainpages/const_cpp.h

@@ -196,6 +196,8 @@ Currently the following symbols exist:
     have an efficient (CPU-specific) implementation. Notice that the functions
     themselves are always available but can be prohibitively slow to use when
     implemented in a generic way, using a critical section.}
+@itemdef{wxHAS_BITMAPTOGGLEBUTTON, Defined in @c wx/tglbtn.h if
+    wxBitmapToggleButton class is available in addition to wxToggleButton.}
 @itemdef{wxHAS_CONFIG_TEMPLATE_RW, Defined if the currently used compiler
     supports template Read() and Write() methods in wxConfig.}
 @itemdef{wxHAS_LARGE_FILES, Defined if wxFile supports files more than 4GB in

include/wx/tglbtn.h

@@ -76,14 +76,17 @@ protected:
     #include "wx/univ/tglbtn.h"
 #elif defined(__WXMSW__)
     #include "wx/msw/tglbtn.h"
+    #define wxHAS_BITMAPTOGGLEBUTTON
 #elif defined(__WXGTK20__)
     #include "wx/gtk/tglbtn.h"
+    #define wxHAS_BITMAPTOGGLEBUTTON
 #elif defined(__WXGTK__)
     #include "wx/gtk1/tglbtn.h"
 # elif defined(__WXMOTIF__)
     #include "wx/motif/tglbtn.h"
 #elif defined(__WXMAC__)
     #include "wx/osx/tglbtn.h"
+    #define wxHAS_BITMAPTOGGLEBUTTON
 #elif defined(__WXPALMOS__)
     #include "wx/palmos/tglbtn.h"
 #elif defined(__WXPM__)

interface/wx/tglbtn.h

@@ -106,8 +106,14 @@ public:
 /**
     @class wxBitmapToggleButton
 
-    wxBitmapToggleButton is a wxToggleButton
+    wxBitmapToggleButton is a wxToggleButton that contains a bitmap instead of
-    that contains a bitmap instead of text.
+    text.
+
+    This class is not available in all ports currently (although it is
+    available in the major ones), test for @c wxHAS_BITMAPTOGGLEBUTTON to
+    determine whether it can be used (in addition for possibly testing for
+    @c wxUSE_TOGGLEBTN which can be set to 0 to explicitly disable support for
+    this class and wxToggleButton).
 
     This control emits an update UI event.
 

tests/controls/bitmaptogglebuttontest.cpp

@@ -15,6 +15,10 @@
     #pragma hdrstop
 #endif
 
+#include "wx/tglbtn.h"
+
+#ifdef wxHAS_BITMAPTOGGLEBUTTON
+
 #ifndef WX_PRECOMP
     #include "wx/app.h"
 #endif // WX_PRECOMP
@@ -22,7 +26,6 @@
 #include "testableframe.h"
 #include "wx/uiaction.h"
 #include "wx/artprov.h"
-#include "wx/tglbtn.h"
 
 class BitmapToggleButtonTestCase : public CppUnit::TestCase
 {
@@ -116,4 +119,6 @@ void BitmapToggleButtonTestCase::Value()
     CPPUNIT_ASSERT_EQUAL( 0, frame->GetEventCount() );
 }
 
-#endif
+#endif // wxHAS_BITMAPTOGGLEBUTTON
+
+#endif // wxUSE_TOGGLEBTN