X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2039dd917c2aaaed6ddd4bd904b31a648c96fb10..b02dd12239c8a59b9a545d9fcb04974f8ad02c6b:/include/wx/window.h

diff --git a/include/wx/window.h b/include/wx/window.h
index 8deb4004c5..c4442b2141 100644
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -1029,8 +1029,7 @@ public:
     wxColour GetForegroundColour() const;
 
         // Set/get the background style.
-    virtual bool SetBackgroundStyle(wxBackgroundStyle style)
-        { m_backgroundStyle = style; return true; }
+    virtual bool SetBackgroundStyle(wxBackgroundStyle style);
     wxBackgroundStyle GetBackgroundStyle() const
         { return m_backgroundStyle; }
 
@@ -1039,6 +1038,13 @@ public:
         // from a parent window
     virtual bool HasTransparentBackground() { return false; }
 
+        // Returns true if background transparency is supported for this
+        // window, i.e. if calling SetBackgroundStyle(wxBG_STYLE_TRANSPARENT)
+        // has a chance of succeeding. If reason argument is non-NULL, returns a
+        // user-readable explanation of why it isn't supported if the return
+        // value is false.
+    virtual bool IsTransparentBackgroundSupported(wxString* reason = NULL) const;
+
         // set/retrieve the font for the window (SetFont() returns true if the
         // font really changed)
     virtual bool SetFont(const wxFont& font) = 0;
@@ -1812,14 +1818,7 @@ inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
 // ----------------------------------------------------------------------------
 
 // include the declaration of the platform-specific class
-#if defined(__WXPALMOS__)
-    #ifdef __WXUNIVERSAL__
-        #define wxWindowNative wxWindowPalm
-    #else // !wxUniv
-        #define wxWindowPalm wxWindow
-    #endif // wxUniv/!wxUniv
-    #include "wx/palmos/window.h"
-#elif defined(__WXMSW__)
+#if defined(__WXMSW__)
     #ifdef __WXUNIVERSAL__
         #define wxWindowNative wxWindowMSW
     #else // !wxUniv
@@ -1849,9 +1848,6 @@ inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
         #define wxWindowX11 wxWindow
     #endif // wxUniv
     #include "wx/x11/window.h"
-#elif defined(__WXMGL__)
-    #define wxWindowNative wxWindowMGL
-    #include "wx/mgl/window.h"
 #elif defined(__WXDFB__)
     #define wxWindowNative wxWindowDFB
     #include "wx/dfb/window.h"