Fix STR #2587: under Xlib, the X input method must be reset by the Fl::compose_reset() function.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@8522 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 18 insertions, 0 deletions

diff --git a/src/Fl_compose.cxx b/src/Fl_compose.cxx
index 7069c1f27..1ea06bfde 100644
--- a/src/Fl_compose.cxx
+++ b/src/Fl_compose.cxx
@@ -33,6 +33,10 @@
 int Fl::compose_state = 0;
 #endif
 
+#if !defined(WIN32) && !defined(__APPLE__)
+extern XIC fl_xim_ic;
+#endif
+
 /** Any text editing widget should call this for each FL_KEYBOARD event.
  Use of this function is very simple.
  
@@ -76,6 +80,20 @@ int Fl::compose(int& del) {
   return 1;
 }
 
+/**
+ If the user moves the cursor, be sure to call Fl::compose_reset().
+ The next call to Fl::compose() will start out in an initial state. In
+ particular it will not set "del" to non-zero. This call is very fast
+ so it is ok to call it many times and in many places.
+ */
+void Fl::compose_reset()
+{
+  Fl::compose_state = 0;
+#if !defined(WIN32) && !defined(__APPLE__)
+  if (fl_xim_ic) XmbResetIC(fl_xim_ic);
+#endif
+}
+
 //
 // End of "$Id$"
 //