Move dnd and character-composition related functions from Fl_System_Driver to Fl_Screen_Driver

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11489 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 15 insertions, 1 deletions

diff --git a/src/drivers/WinAPI/Fl_WinAPI_Screen_Driver.cxx b/src/drivers/WinAPI/Fl_WinAPI_Screen_Driver.cxx
index 3c386223a..7cca121db 100644
--- a/src/drivers/WinAPI/Fl_WinAPI_Screen_Driver.cxx
+++ b/src/drivers/WinAPI/Fl_WinAPI_Screen_Driver.cxx
@@ -510,7 +510,21 @@ void Fl_WinAPI_Screen_Driver::remove_timeout(Fl_Timeout_Handler cb, void* data)
   }
 }
 
-
+int Fl_WinAPI_Screen_Driver::compose(int &del) {
+  unsigned char ascii = (unsigned char)Fl::e_text[0];
+  int condition = (Fl::e_state & (FL_ALT | FL_META)) && !(ascii & 128) ;
+  if (condition) { // this stuff is to be treated as a function key
+    del = 0;
+    return 0;
+  }
+  del = Fl::compose_state;
+  Fl::compose_state = 0;
+  // Only insert non-control characters:
+  if ( (!Fl::compose_state) && ! (ascii & ~31 && ascii!=127)) {
+    return 0;
+  }
+  return 1;
+}
 
 //
 // End of "$Id$".