Include a stripped-down version of FLTK in tree and add a USE_INCLUDED_FLTK option to build against it.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4603 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/fltk/src/xutf8/utf8Input.c b/common/fltk/src/xutf8/utf8Input.c
new file mode 100644
index 0000000..2fb415b
--- /dev/null
+++ b/common/fltk/src/xutf8/utf8Input.c
@@ -0,0 +1,459 @@
+/* "$Id: $"
+ *
+ * Author: Jean-Marc Lienher ( http://oksid.ch )
+ * Copyright 2000-2003 by O'ksi'D.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA.
+ *
+ * Please report all bugs and problems on the following page:
+ *
+ * http://www.fltk.org/str.php
+ */
+
+#if !defined(WIN32) && !defined(__APPLE__)
+
+#include <config.h>
+#include "../../FL/Xutf8.h"
+#include <X11/X.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <string.h>
+#include <stdlib.h>
+
+#if HAVE_LIBC_ICONV
+#include <iconv.h>
+#endif
+/*
+ I haven't found much doc on the web about EUC encodings, so I've used
+ GNU libiconv source code as a reference.
+ http://clisp.cons.org/~haible/packages-libiconv.html
+*/
+
+#define RET_ILSEQ -1
+#define RET_TOOFEW(x) (-10 - x)
+#define RET_TOOSMALL -2
+#define conv_t void*
+#define ucs4_t unsigned int
+typedef struct {
+ unsigned short indx;
+ unsigned short used;
+} Summary16;
+
+#define NEED_TOWC /* indicates what part of these include files is needed here (avoid compilation warnings) */
+#include "lcUniConv/big5.h"
+#include "lcUniConv/gb2312.h"
+#include "lcUniConv/cp936ext.h"
+#include "lcUniConv/jisx0201.h"
+#include "lcUniConv/jisx0208.h"
+#include "lcUniConv/jisx0212.h"
+#include "lcUniConv/ksc5601.h"
+
+int
+XConvertEucTwToUtf8(char* buffer_return, int len) {
+ /* FIXME */
+#if HAVE_LIBC_ICONV
+ iconv_t cd;
+ int cdl;
+#else
+ int i = 0;
+#endif
+ int l = 0;
+ char *buf, *b;
+
+ if (len < 1) return 0;
+ b = buf = (char*) malloc((unsigned)len);
+ memcpy(buf, buffer_return, (unsigned) len);
+
+#if HAVE_LIBC_ICONV
+ l = cdl = len;
+ cd = iconv_open("EUC-TW", "UTF-8");
+ iconv(cd, &b, &len, &buffer_return, &cdl);
+ iconv_close(cd);
+ l -= cdl;
+#else
+ while (i < len) {
+ unsigned int ucs;
+ unsigned char c;
+ c = (unsigned char) buf[i];
+ if (c < 0x80) {
+ ucs = c;
+ i++;
+ } else if (c >= 0xa1 && c < 0xff && len - i > 1 ) {
+ unsigned char b[2];
+ b[0] = (unsigned char) c - 0x80;
+ b[1] = (unsigned char) buf[i + 1] - 0x80;
+ ucs = ' '; i += 2;
+ } else if (c == 0x8e && len - i > 3) {
+ unsigned char b[2];
+ unsigned char c1 = buf[i + 1];
+ unsigned char c2 = buf[i + 2];
+ unsigned char c3 = buf[i + 3];
+ b[0] = (unsigned char) buf[i + 2] - 0x80;
+ b[1] = (unsigned char) buf[i + 3] - 0x80;
+ if (c1 >= 0xa1 && c1 <= 0xb0) {
+ if (c2 >= 0xa1 && c2 < 0xff && c3 >= 0xa1 && c3 < 0xff) {
+ ucs = ' '; i += 4;
+ } else {
+ ucs = '?'; i++;
+ }
+ } else {
+ ucs = '?'; i++;
+ }
+ } else {
+ ucs = '?';
+ i++;
+ }
+ l += XConvertUcsToUtf8(ucs, buffer_return + l);
+ }
+#endif
+ free(buf);
+ return l;
+}
+
+int
+XConvertEucKrToUtf8(char* buffer_return, int len) {
+ int i = 0, l = 0;
+ char *buf;
+
+ if (len < 1) return 0;
+
+ buf = (char*) malloc((unsigned)len);
+ memcpy(buf, buffer_return, (unsigned)len);
+
+ while (i < len) {
+ unsigned int ucs;
+ unsigned char c, c1;
+ c = (unsigned char) buf[i];
+ if (c < 0x80) {
+ ucs = c;
+ i++;
+ } else if (c >= 0xA1 && c < 0xFF && len - i > 1) {
+ c1 = (unsigned char) buf[i + 1];
+ if (c1 >= 0xa1 && c1 < 0xff) {
+ unsigned char b[2];
+ b[0] = c - 0x80;
+ b[1] = c1 - 0x80;
+ if (ksc5601_mbtowc(NULL, &ucs, b, 2) < 1) {
+ ucs = '?';
+ }
+ } else {
+ ucs = '?';
+ }
+ i += 2;
+ } else {
+ ucs = '?';
+ i++;
+ }
+ l += XConvertUcsToUtf8(ucs, buffer_return + l);
+ }
+ free(buf);
+ return l;
+}
+
+int
+XConvertBig5ToUtf8(char* buffer_return, int len) {
+ int i = 0, l = 0;
+ char *buf;
+
+ if (len < 1) return 0;
+ buf = (char*) malloc((unsigned)len);
+ memcpy(buf, buffer_return, (unsigned)len);
+
+ if (len == 1) {
+ l += XConvertUcsToUtf8((unsigned int)buf[i], buffer_return + l);
+ }
+ while (i + 1 < len) {
+ unsigned int ucs;
+ unsigned char b[2];
+ b[0] = (unsigned char) buf[i];
+ b[1] = (unsigned char) buf[i + 1];
+ if (big5_mbtowc(NULL, &ucs, b, 2) == 2) {
+ i += 2;
+ } else {
+ ucs = '?';
+ i++;
+ }
+ l += XConvertUcsToUtf8(ucs, buffer_return + l);
+ }
+ free(buf);
+ return l;
+}
+
+int
+XConvertCp936extToUtf8(char* buffer_return, int len)
+{
+ int i = 0, l = 0;
+ char *buf;
+
+ if (len < 1) return 0;
+ buf = (char*) malloc((unsigned)len);
+ memcpy(buf, buffer_return, (unsigned)len);
+
+ if (len == 1) {
+ l += XConvertUcsToUtf8((unsigned int)buf[i], buffer_return + l);
+ }
+ while (i + 1 < len) {
+ unsigned int ucs;
+ unsigned char b[2];
+ b[0] = (unsigned char) buf[i];
+ b[1] = (unsigned char) buf[i + 1];
+ if (cp936ext_mbtowc(NULL, &ucs, b, 2) == 2) {
+ i += 2;
+ } else {
+ if ( b[0] < 0x80) {
+ ucs = b[0];
+ }else{
+ ucs = '?';
+ }
+ i++;
+ }
+ l += XConvertUcsToUtf8(ucs, buffer_return + l);
+ }
+ if(i + 1 == len) {
+ l += XConvertUcsToUtf8((unsigned int)buf[i], buffer_return + l);
+ }
+ free(buf);
+ return l;
+}
+
+int
+XConvertGb2312ToUtf8(char* buffer_return, int len) {
+ int i = 0, l = 0;
+ char *buf;
+
+ if (len < 1) return 0;
+ buf = (char*) malloc((unsigned)len);
+ memcpy(buf, buffer_return, (unsigned)len);
+
+ if (len == 1) {
+ l += XConvertUcsToUtf8((unsigned int)buf[i], buffer_return + l);
+ }
+ while (i + 1 < len) {
+ unsigned int ucs;
+ unsigned char b[2];
+ b[0] = (unsigned char) buf[i];
+ b[1] = (unsigned char) buf[i + 1];
+ if ( b[0] < 0x80 ) {
+ ucs = b[0];
+ i++;
+ } else if (gb2312_mbtowc(NULL, &ucs, b, 2) == 2) {
+ i += 2;
+ } else {
+ ucs = '?';
+ i++;
+ }
+ l += XConvertUcsToUtf8(ucs, buffer_return + l);
+ }
+ if (i + 1 == len) {
+ l += XConvertUcsToUtf8((unsigned int)buf[i], buffer_return + l);
+ }
+ free(buf);
+ return l;
+}
+
+int
+XConvertEucCnToUtf8(char* buffer_return, int len) {
+ int i = 0, l = 0;
+ char *buf;
+
+ if (len < 1) return 0;
+ buf = (char*) malloc((unsigned)len);
+ memcpy(buf, buffer_return, (unsigned)len);
+
+ while (i < len) {
+ unsigned int ucs;
+ unsigned char c, c1;
+ c = (unsigned char) buf[i];
+ if (c < 0x80) {
+ ucs = c;
+ i++;
+ } else if (c >= 0xA1 && c < 0xFF && len - i > 1) {
+ c1 = (unsigned char) buf[i + 1];
+ if (c1 >= 0xa1 && c1 < 0xff) {
+ unsigned char b[2];
+ b[0] = (unsigned char) c;
+ b[1] = (unsigned char) c1;
+ if (gb2312_mbtowc(NULL, &ucs, b, 2) < 1) {
+ ucs = '?';
+ }
+ } else {
+ ucs = '?';
+ }
+ i += 2;
+ } else {
+ ucs = '?';
+ i++;
+ }
+ l += XConvertUcsToUtf8(ucs, buffer_return + l);
+ }
+ free(buf);
+ return l;
+}
+
+int
+XConvertEucJpToUtf8(char* buffer_return, int len) {
+ int i = 0, l = 0;
+ char *buf;
+
+ if (len < 1) return 0;
+ buf = (char*) malloc((unsigned)len);
+ memcpy(buf, buffer_return, (unsigned)len);
+
+ while (i < len) {
+ unsigned int ucs;
+ unsigned char c, c1;
+ c = (unsigned char) buf[i];
+ if (c < 0x80) {
+ ucs = c;
+ i++;
+ } else if (c >= 0xA1 && c < 0xFF && len - i > 1) {
+ c1 = (unsigned char) buf[i + 1];
+ if (c < 0xF5 && c1 >= 0xa1) {
+ unsigned char b[2];
+ b[0] = c - 0x80;
+ b[1] = c1 - 0x80;
+ if (jisx0208_mbtowc(NULL, &ucs, b, 2) < 1) {
+ ucs = '?';
+ }
+ } else if (c1 >= 0xA1 && c1 < 0xFF) {
+ ucs = 0xE000 + 94 * (c - 0xF5) + (c1 - 0xA1);
+ } else {
+ ucs = '?';
+ }
+ i += 2;
+ } else if (c == 0x8E && len - i > 1) {
+ c1 = (unsigned char) buf[i + 1];
+ if (c1 >= 0xa1 && c1 <= 0xe0) {
+ if (jisx0201_mbtowc(NULL, &ucs, &c1, 1) != 1) {
+ ucs = '?';
+ }
+ } else {
+ ucs = '?';
+ }
+ i += 2;
+ } else if (c == 0x8F && len - i > 2) {
+ c = (unsigned char) buf[i + 1];
+ c1 = (unsigned char) buf[i + 2];
+ if (c >= 0xa1 && c < 0xff) {
+ if (c < 0xf5 && c1 >= 0xa1 && c1 < 0xff) {
+ unsigned char b[2];
+ b[0] = c - 0x80;
+ b[1] = c1 - 0x80;
+ if (jisx0212_mbtowc(NULL, &ucs, b, 2) < 1) {
+ ucs = '?';
+ }
+ } else {
+ ucs = '?';
+ }
+ } else {
+ if (c1 >= 0xa1 && c1 < 0xff) {
+ ucs = 0xe3ac + 94 * (c - 0xF5) + (c1 - 0xA1);
+ } else {
+ ucs = '?';
+ }
+ }
+ i += 3;
+ } else {
+ ucs = '?';
+ i++;
+ }
+ l += XConvertUcsToUtf8(ucs, buffer_return + l);
+ }
+ free(buf);
+ return l;
+}
+
+int
+XConvertEucToUtf8(const char* locale,
+ char* buffer_return,
+ int len,
+ int bytes_buffer) {
+
+ /* if (!locale) { */
+ /* if (!locale || strstr(locale, "UTF") || strstr(locale, "utf")) { */
+ if (!locale || strstr(locale, "UTF") || strstr(locale, "utf")) {
+ return len;
+ }
+
+ if (strstr(locale, "ja")) {
+ return XConvertEucJpToUtf8(buffer_return, len);
+ } else if (strstr(locale, "Big5") || strstr(locale, "big5")) { /* BIG5 */
+ return XConvertBig5ToUtf8(buffer_return, len);
+ } else if (strstr(locale, "GBK") || strstr(locale, "gbk")) {
+ return XConvertCp936extToUtf8(buffer_return, len);
+ } else if (strstr(locale, "zh") || strstr(locale, "chinese-")) {
+ if (strstr(locale, "TW") || strstr(locale, "chinese-t")) {
+ if (strstr(locale, "EUC") || strstr(locale, "euc") || strstr(locale, "chinese-t")) {
+ return XConvertEucTwToUtf8(buffer_return, len);
+ }
+ return XConvertBig5ToUtf8(buffer_return, len);
+ }
+ if (strstr(locale, "EUC") || strstr(locale, "euc")) {
+ return XConvertEucCnToUtf8(buffer_return, len);
+ }
+ return XConvertGb2312ToUtf8(buffer_return, len);
+ } else if (strstr(locale, "ko")) {
+ return XConvertEucKrToUtf8(buffer_return, len);
+ }
+ return len;
+}
+
+int
+XUtf8LookupString(XIC ic,
+ XKeyPressedEvent* event,
+ char* buffer_return,
+ int bytes_buffer,
+ KeySym* keysym,
+ Status* status_return) {
+
+ long ucs = -1;
+ int len;
+ len = XmbLookupString(ic, event, buffer_return, bytes_buffer / 5,
+ keysym, status_return);
+ if (*status_return == XBufferOverflow) {
+ return len * 5;
+ }
+ if (*keysym > 0 && *keysym < 0x100 && len == 1) {
+ if (*keysym < 0x80) {
+ ucs = (unsigned char)buffer_return[0];
+ } else {
+ ucs = *keysym;
+ }
+ } else if (((*keysym >= 0x100 && *keysym <= 0xf000) ||
+ (*keysym & 0xff000000U) == 0x01000000))
+ {
+ ucs = XKeysymToUcs(*keysym);
+ } else {
+ ucs = -2;
+ }
+
+ if (ucs > 0) {
+ len = XConvertUcsToUtf8((unsigned)ucs, (char *)buffer_return);
+ } else if (len > 0) {
+ XIM im;
+ if (!ic) return 0;
+ im = XIMOfIC(ic);
+ if (!im) return 0;
+ len = XConvertEucToUtf8(XLocaleOfIM(im), buffer_return, len, bytes_buffer);
+ }
+ return len;
+}
+
+#endif /* X11 only */
+
+/*
+ * End of "$Id$".
+ */