X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=registryd%2Fucs2keysym.c;h=b4967befcd83a9980555f2348e69294bfbfb5478;hb=bb8118284fa248b74f59426f73497fc012469198;hp=58e418cf17aef50f2b8ffcac87754e51982ccee1;hpb=24416de21f3051282db9b5138976bea8d9d22272;p=platform%2Fupstream%2Fat-spi2-core.git

diff --git a/registryd/ucs2keysym.c b/registryd/ucs2keysym.c
index 58e418c..b4967be 100644
--- a/registryd/ucs2keysym.c
+++ b/registryd/ucs2keysym.c
@@ -32,6 +32,7 @@
  */
 
 #include <X11/X.h>
+#include "deviceeventcontroller.h"	/* for prototype */
 
 struct codepair {
   unsigned short keysym;
@@ -793,7 +794,7 @@ struct codepair {
   { 0x0ef7, 0x318e }, /*               Hangul_AraeAE ㆎ HANGUL LETTER ARAEAE */
  };
 
-KeySym ucs2keysym (long ucs)
+long ucs2keysym (long ucs)
 {
     int min = 0;
     int max = sizeof(keysymtab) / sizeof(struct codepair) - 1;
@@ -821,3 +822,34 @@ KeySym ucs2keysym (long ucs)
     return ucs | 0x01000000;
 }
 
+long keysym2ucs(long keysym)
+{
+    int min = 0;
+    int max = sizeof(keysymtab) / sizeof(struct codepair) - 1;
+    int mid;
+
+    /* first check for Latin-1 characters (1:1 mapping) */
+    if ((keysym >= 0x0020 && keysym <= 0x007e) ||
+        (keysym >= 0x00a0 && keysym <= 0x00ff))
+        return (long) keysym;
+
+    /* also check for directly encoded 24-bit UCS characters */
+    if ((keysym & 0xff000000) == 0x01000000)
+	return keysym & 0x00ffffff;
+
+    /* binary search in table */
+    while (max >= min) {
+	mid = (min + max) / 2;
+	if (keysymtab[mid].keysym < keysym)
+	    min = mid + 1;
+	else if (keysymtab[mid].keysym > keysym)
+	    max = mid - 1;
+	else {
+	    /* found it */
+	    return keysymtab[mid].ucs;
+	}
+    }
+
+    /* no matching Unicode value found */
+    return -1;
+}