Fixed regression in callback handling (STR #1918). Checking for more issues in that commit back then

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@6103 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

CHANGES

@@ -1,5 +1,6 @@
 CHANGES IN FLTK 1.1.9
 
+	- Fixed regression in callback handling (STR #1918)
 	- Fixed wrong relative path when absolute path has a 
 	  trailing slash in fl_filename_relative (STR #1920)
 	- Fixed multiple selction of files and directories in

src/Fl_Input.cxx

@@ -410,9 +410,10 @@ int Fl_Input::handle(int event) {
       copy(0);
     }
 
-    // perform the RELEASE callback
-    if (when() & FL_WHEN_RELEASE)
-      maybe_do_callback();
+    // For output widgets, do the callback so the app knows the user
+    // did something with the mouse...
+    if (readonly()) do_callback();
+
     return 1;
 
   case FL_DND_ENTER: