X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7520f3da332d64a676b6f7d27a56004fabf2db36..68f146206ff65cfafdf88c154aece854a0ba4864:/src/msw/msgdlg.cpp

diff --git a/src/msw/msgdlg.cpp b/src/msw/msgdlg.cpp
index d641c6a3d5..5312a8ec06 100644
--- a/src/msw/msgdlg.cpp
+++ b/src/msw/msgdlg.cpp
@@ -16,11 +16,12 @@
     #pragma hdrstop
 #endif
 
+#include "wx/msgdlg.h"
+
 #ifndef WX_PRECOMP
     #include "wx/app.h"
     #include "wx/utils.h"
     #include "wx/dialog.h"
-    #include "wx/msgdlg.h"
 #endif
 
 #include "wx/msw/private.h"
@@ -96,13 +97,31 @@ int wxMessageDialog::ShowModal()
     if ( wxStyle & wxSTAY_ON_TOP )
         msStyle |= MB_TOPMOST;
 
+#ifndef __WXWINCE__
+    if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
+        msStyle |= MB_RTLREADING | MB_RIGHT;
+#endif
+
     if (hWnd)
         msStyle |= MB_APPLMODAL;
     else
         msStyle |= MB_TASKMODAL;
 
+    // per MSDN documentation for MessageBox() we can prefix the message with 2
+    // right-to-left mark characters to tell the function to use RTL layout
+    // (unfortunately this only works in Unicode builds)
+    wxString message = m_message;
+#if wxUSE_UNICODE
+    if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
+    {
+        // NB: not all compilers support \u escapes
+        static const wchar_t wchRLM = 0x200f;
+        message.Prepend(wxString(wchRLM, 2));
+    }
+#endif // wxUSE_UNICODE
+
     // do show the dialog
-    int msAns = MessageBox(hWnd, m_message.c_str(), m_caption.c_str(), msStyle);
+    int msAns = MessageBox(hWnd, message, m_caption, msStyle);
     int ans;
     switch (msAns)
     {