X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f254e2424a5220e559e48205ace1114ea3e87f3f..e9e8b38179b147dd04f5c19af7e56a94342e93a7:/include/wx/checkbox.h

diff --git a/include/wx/checkbox.h b/include/wx/checkbox.h
index 342db830cf..6177aeb5d4 100644
--- a/include/wx/checkbox.h
+++ b/include/wx/checkbox.h
@@ -140,14 +140,18 @@ protected:
     {
         long& style = *stylePtr;
 
-        if ( style == 0 )
+        if ( !(style & (wxCHK_2STATE | wxCHK_3STATE)) )
         {
             // For compatibility we use absence of style flags as wxCHK_2STATE
             // because wxCHK_2STATE used to have the value of 0 and some
-            // existing code may use 0 instead of it.
-            style = wxCHK_2STATE;
+            // existing code uses 0 instead of it. Moreover, some code even
+            // uses some non-0 style, e.g. wxBORDER_XXX, but doesn't specify
+            // neither wxCHK_2STATE nor wxCHK_3STATE -- to avoid breaking it,
+            // assume (much more common) 2 state checkbox by default.
+            style |= wxCHK_2STATE;
         }
-        else if ( style & wxCHK_3STATE )
+
+        if ( style & wxCHK_3STATE )
         {
             if ( style & wxCHK_2STATE )
             {
@@ -158,13 +162,6 @@ protected:
         }
         else // No wxCHK_3STATE
         {
-            if ( !(style & wxCHK_2STATE) )
-            {
-                wxFAIL_MSG( "Either wxCHK_2STATE or wxCHK_3STATE must be "
-                            "specified" );
-                style |= wxCHK_2STATE;
-            }
-
             if ( style & wxCHK_ALLOW_3RD_STATE_FOR_USER )
             {
                 wxFAIL_MSG( "wxCHK_ALLOW_3RD_STATE_FOR_USER doesn't make sense "
@@ -178,6 +175,9 @@ private:
     wxDECLARE_NO_COPY_CLASS(wxCheckBoxBase);
 };
 
+// Most ports support 3 state checkboxes so define this by default.
+#define wxHAS_3STATE_CHECKBOX
+
 #if defined(__WXUNIVERSAL__)
     #include "wx/univ/checkbox.h"
 #elif defined(__WXMSW__)
@@ -187,12 +187,14 @@ private:
 #elif defined(__WXGTK20__)
     #include "wx/gtk/checkbox.h"
 #elif defined(__WXGTK__)
+    #undef wxHAS_3STATE_CHECKBOX
     #include "wx/gtk1/checkbox.h"
 #elif defined(__WXMAC__)
     #include "wx/osx/checkbox.h"
 #elif defined(__WXCOCOA__)
     #include "wx/cocoa/checkbox.h"
 #elif defined(__WXPM__)
+    #undef wxHAS_3STATE_CHECKBOX
     #include "wx/os2/checkbox.h"
 #elif defined(__WXPALMOS__)
     #include "wx/palmos/checkbox.h"
@@ -200,5 +202,4 @@ private:
 
 #endif // wxUSE_CHECKBOX
 
-#endif
-    // _WX_CHECKBOX_H_BASE_
+#endif // _WX_CHECKBOX_H_BASE_