ncurses 5.7 - patch 20090411

[ncurses.git] / ncurses / tinfo / init_keytry.c

diff --git a/ncurses/tinfo/init_keytry.c b/ncurses/tinfo/init_keytry.c
index cf840e8e93b35dbe0c27bd09d3c02f8f5a94f8e6..2f6fe4f6fad791972a16f5f79669b6162b3ad085 100644 (file)
--- a/ncurses/tinfo/init_keytry.c
+++ b/ncurses/tinfo/init_keytry.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1999,2000 Free Software Foundation, Inc.                   *
+ * Copyright (c) 1999-2006,2008 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -28,11 +28,15 @@
 
 #include <curses.priv.h>
 
-#include <term.h>              /* keypad_xmit, keypad_local, meta_on, meta_off */
-                       /* cursor_visible,cursor_normal,cursor_invisible */
+#include <term.h>
+/* keypad_xmit, keypad_local, meta_on, meta_off */
+/* cursor_visible,cursor_normal,cursor_invisible */
+
 #include <tic.h>               /* struct tinfo_fkeys */
 
-MODULE_ID("$Id: init_keytry.c,v 1.5 2000/12/10 02:55:07 tom Exp $")
+#include <term_entry.h>
+
+MODULE_ID("$Id: init_keytry.c,v 1.12 2008/05/24 21:44:51 tom Exp $")
 
 /*
 **      _nc_init_keytry()
@@ -41,6 +45,13 @@ MODULE_ID("$Id: init_keytry.c,v 1.5 2000/12/10 02:55:07 tom Exp $")
 **
 */
 
+/*
+ * Internal entrypoints use SCREEN* parameter to obtain capabilities rather
+ * than cur_term.
+ */
+#undef CUR
+#define CUR (sp->_term)->type.
+
 #if    BROKEN_LINKER
 #undef _nc_tinfo_fkeys
 #endif
@@ -52,7 +63,7 @@ MODULE_ID("$Id: init_keytry.c,v 1.5 2000/12/10 02:55:07 tom Exp $")
 #endif*/
 
 #if    BROKEN_LINKER
-struct tinfo_fkeys *
+const struct tinfo_fkeys *
 _nc_tinfo_fkeysf(void)
 {
     return _nc_tinfo_fkeys;
@@ -60,21 +71,47 @@ _nc_tinfo_fkeysf(void)
 #endif
 
 NCURSES_EXPORT(void)
-_nc_init_keytry(void)
+_nc_init_keytry(SCREEN *sp)
 {
     size_t n;
 
-    /* The SP->_keytry value is initialized in newterm(), where the SP
+    /* The sp->_keytry value is initialized in newterm(), where the sp
      * structure is created, because we can not tell where keypad() or
      * mouse_activate() (which will call keyok()) are first called.
      */
 
-    for (n = 0; _nc_tinfo_fkeys[n].code; n++)
-       if (_nc_tinfo_fkeys[n].offset < STRCOUNT)
-           _nc_add_to_try(&(SP->_keytry),
-                          CUR Strings[_nc_tinfo_fkeys[n].offset],
-                          _nc_tinfo_fkeys[n].code);
+    if (sp != 0) {
+       for (n = 0; _nc_tinfo_fkeys[n].code; n++) {
+           if (_nc_tinfo_fkeys[n].offset < STRCOUNT) {
+               (void) _nc_add_to_try(&(sp->_keytry),
+                                     CUR Strings[_nc_tinfo_fkeys[n].offset],
+                                     _nc_tinfo_fkeys[n].code);
+           }
+       }
+#if NCURSES_XNAMES
+       /*
+        * Add any of the extended strings to the tries if their name begins
+        * with 'k', i.e., they follow the convention of other terminfo key
+        * names.
+        */
+       {
+           TERMTYPE *tp = &(sp->_term->type);
+           for (n = STRCOUNT; n < NUM_STRINGS(tp); ++n) {
+               const char *name = ExtStrname(tp, n, strnames);
+               char *value = tp->Strings[n];
+               if (name != 0
+                   && *name == 'k'
+                   && value != 0
+                   && key_defined(value) == 0) {
+                   (void) _nc_add_to_try(&(sp->_keytry),
+                                         value,
+                                         n - STRCOUNT + KEY_MAX);
+               }
+           }
+       }
+#endif
 #ifdef TRACE
-    _nc_trace_tries(SP->_keytry);
+       _nc_trace_tries(sp->_keytry);
 #endif
+    }
 }