+/* these functions are copied verbatim from GTK 1.2 */
+static void
+gdkx_XConvertCase (KeySym symbol,
+ KeySym *lower,
+ KeySym *upper)
+{
+ register KeySym sym = symbol;
+
+ g_return_if_fail (lower != NULL);
+ g_return_if_fail (upper != NULL);
+
+ *lower = sym;
+ *upper = sym;
+
+ switch (sym >> 8)
+ {
+#if defined (GDK_A) && defined (GDK_Ooblique)
+ case 0: /* Latin 1 */
+ if ((sym >= GDK_A) && (sym <= GDK_Z))
+ *lower += (GDK_a - GDK_A);
+ else if ((sym >= GDK_a) && (sym <= GDK_z))
+ *upper -= (GDK_a - GDK_A);
+ else if ((sym >= GDK_Agrave) && (sym <= GDK_Odiaeresis))
+ *lower += (GDK_agrave - GDK_Agrave);
+ else if ((sym >= GDK_agrave) && (sym <= GDK_odiaeresis))
+ *upper -= (GDK_agrave - GDK_Agrave);
+ else if ((sym >= GDK_Ooblique) && (sym <= GDK_Thorn))
+ *lower += (GDK_oslash - GDK_Ooblique);
+ else if ((sym >= GDK_oslash) && (sym <= GDK_thorn))
+ *upper -= (GDK_oslash - GDK_Ooblique);
+ break;
+#endif /* LATIN1 */
+
+#if defined (GDK_Aogonek) && defined (GDK_tcedilla)
+ case 1: /* Latin 2 */
+ /* Assume the KeySym is a legal value (ignore discontinuities) */
+ if (sym == GDK_Aogonek)
+ *lower = GDK_aogonek;
+ else if (sym >= GDK_Lstroke && sym <= GDK_Sacute)
+ *lower += (GDK_lstroke - GDK_Lstroke);
+ else if (sym >= GDK_Scaron && sym <= GDK_Zacute)
+ *lower += (GDK_scaron - GDK_Scaron);
+ else if (sym >= GDK_Zcaron && sym <= GDK_Zabovedot)
+ *lower += (GDK_zcaron - GDK_Zcaron);
+ else if (sym == GDK_aogonek)
+ *upper = GDK_Aogonek;
+ else if (sym >= GDK_lstroke && sym <= GDK_sacute)
+ *upper -= (GDK_lstroke - GDK_Lstroke);
+ else if (sym >= GDK_scaron && sym <= GDK_zacute)
+ *upper -= (GDK_scaron - GDK_Scaron);
+ else if (sym >= GDK_zcaron && sym <= GDK_zabovedot)
+ *upper -= (GDK_zcaron - GDK_Zcaron);
+ else if (sym >= GDK_Racute && sym <= GDK_Tcedilla)
+ *lower += (GDK_racute - GDK_Racute);
+ else if (sym >= GDK_racute && sym <= GDK_tcedilla)
+ *upper -= (GDK_racute - GDK_Racute);
+ break;
+#endif /* LATIN2 */
+
+#if defined (GDK_Hstroke) && defined (GDK_Cabovedot)
+ case 2: /* Latin 3 */
+ /* Assume the KeySym is a legal value (ignore discontinuities) */
+ if (sym >= GDK_Hstroke && sym <= GDK_Hcircumflex)
+ *lower += (GDK_hstroke - GDK_Hstroke);
+ else if (sym >= GDK_Gbreve && sym <= GDK_Jcircumflex)
+ *lower += (GDK_gbreve - GDK_Gbreve);
+ else if (sym >= GDK_hstroke && sym <= GDK_hcircumflex)
+ *upper -= (GDK_hstroke - GDK_Hstroke);
+ else if (sym >= GDK_gbreve && sym <= GDK_jcircumflex)
+ *upper -= (GDK_gbreve - GDK_Gbreve);
+ else if (sym >= GDK_Cabovedot && sym <= GDK_Scircumflex)
+ *lower += (GDK_cabovedot - GDK_Cabovedot);
+ else if (sym >= GDK_cabovedot && sym <= GDK_scircumflex)
+ *upper -= (GDK_cabovedot - GDK_Cabovedot);
+ break;
+#endif /* LATIN3 */
+
+#if defined (GDK_Rcedilla) && defined (GDK_Amacron)
+ case 3: /* Latin 4 */
+ /* Assume the KeySym is a legal value (ignore discontinuities) */
+ if (sym >= GDK_Rcedilla && sym <= GDK_Tslash)
+ *lower += (GDK_rcedilla - GDK_Rcedilla);
+ else if (sym >= GDK_rcedilla && sym <= GDK_tslash)
+ *upper -= (GDK_rcedilla - GDK_Rcedilla);
+ else if (sym == GDK_ENG)
+ *lower = GDK_eng;
+ else if (sym == GDK_eng)
+ *upper = GDK_ENG;
+ else if (sym >= GDK_Amacron && sym <= GDK_Umacron)
+ *lower += (GDK_amacron - GDK_Amacron);
+ else if (sym >= GDK_amacron && sym <= GDK_umacron)
+ *upper -= (GDK_amacron - GDK_Amacron);
+ break;
+#endif /* LATIN4 */
+
+#if defined (GDK_Serbian_DJE) && defined (GDK_Cyrillic_yu)
+ case 6: /* Cyrillic */
+ /* Assume the KeySym is a legal value (ignore discontinuities) */
+ if (sym >= GDK_Serbian_DJE && sym <= GDK_Serbian_DZE)
+ *lower -= (GDK_Serbian_DJE - GDK_Serbian_dje);
+ else if (sym >= GDK_Serbian_dje && sym <= GDK_Serbian_dze)
+ *upper += (GDK_Serbian_DJE - GDK_Serbian_dje);
+ else if (sym >= GDK_Cyrillic_YU && sym <= GDK_Cyrillic_HARDSIGN)
+ *lower -= (GDK_Cyrillic_YU - GDK_Cyrillic_yu);
+ else if (sym >= GDK_Cyrillic_yu && sym <= GDK_Cyrillic_hardsign)
+ *upper += (GDK_Cyrillic_YU - GDK_Cyrillic_yu);
+ break;
+#endif /* CYRILLIC */
+
+#if defined (GDK_Greek_ALPHAaccent) && defined (GDK_Greek_finalsmallsigma)
+ case 7: /* Greek */
+ /* Assume the KeySym is a legal value (ignore discontinuities) */
+ if (sym >= GDK_Greek_ALPHAaccent && sym <= GDK_Greek_OMEGAaccent)
+ *lower += (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent);
+ else if (sym >= GDK_Greek_alphaaccent && sym <= GDK_Greek_omegaaccent &&
+ sym != GDK_Greek_iotaaccentdieresis &&
+ sym != GDK_Greek_upsilonaccentdieresis)
+ *upper -= (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent);
+ else if (sym >= GDK_Greek_ALPHA && sym <= GDK_Greek_OMEGA)
+ *lower += (GDK_Greek_alpha - GDK_Greek_ALPHA);
+ else if (sym >= GDK_Greek_alpha && sym <= GDK_Greek_omega &&
+ sym != GDK_Greek_finalsmallsigma)
+ *upper -= (GDK_Greek_alpha - GDK_Greek_ALPHA);
+ break;
+#endif /* GREEK */
+ }
+}
+