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-rw-r--r--ChangeLog10
-rw-r--r--unix/Makefile.in4
-rwxr-xr-xunix/configure282
-rw-r--r--unix/configure.in9
-rw-r--r--unix/tcl.m47
-rwxr-xr-xwin/configure35
-rw-r--r--win/tcl.m48
7 files changed, 204 insertions, 151 deletions
diff --git a/ChangeLog b/ChangeLog
index bee2033..95d9bfb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2001-07-10 Mo DeJong <mdejong@redhat.com>
+
+ * unix/Makefile.in: Add AR and STLIB_LD variables.
+ * unix/configure:
+ * unix/configure.in: Use STLIB_LD when defining MAKE_LIB
+ and MAKE_STUB_LIB. Subst STLIB_LD, RANLIB, and AR.
+ * unix/tcl.m4: Update from Tcl.
+ * win/configure: Regen.
+ * win/tcl.m4: Update from Tcl.
+
2001-07-06 Mo DeJong <mdejong@redhat.com>
* win/configure: Regen.
diff --git a/unix/Makefile.in b/unix/Makefile.in
index 0719826..33267f0 100644
--- a/unix/Makefile.in
+++ b/unix/Makefile.in
@@ -5,7 +5,7 @@
# "autoconf" program (constructs like "@foo@" will get replaced in the
# actual Makefile.
#
-# RCS: @(#) $Id: Makefile.in,v 1.52 2001/06/27 02:06:13 mdejong Exp $
+# RCS: @(#) $Id: Makefile.in,v 1.53 2001/07/11 01:36:41 mdejong Exp $
# Current Tk version; used in various names.
@@ -209,6 +209,7 @@ WISH_LIBS = $(TCL_LIB_SPEC) @LIBS@ $(X11_LIB_SWITCHES) @DL_LIBS@ @MATH_LIBS@ -lc
# libraries. See configure.in for a description of what it means.
# The values of the symbolis normally set by the configure script.
+STLIB_LD = @STLIB_LD@
SHLIB_LD = @SHLIB_LD@
SHLIB_LD_LIBS = @SHLIB_LD_LIBS@
@@ -225,6 +226,7 @@ TK_LD_SEARCH_FLAGS = @TK_LD_SEARCH_FLAGS@
#----------------------------------------------------------------
AC_FLAGS = @EXTRA_CFLAGS@ @DEFS@
+AR = @AR@
RANLIB = @RANLIB@
SRC_DIR = @srcdir@/..
TOP_DIR = @srcdir@/..
diff --git a/unix/configure b/unix/configure
index 20b4e08..baebcac 100755
--- a/unix/configure
+++ b/unix/configure
@@ -537,7 +537,7 @@ else
fi
-# RCS: @(#) $Id: configure.in,v 1.60 2001/06/26 20:17:22 mdejong Exp $
+# RCS: @(#) $Id: configure.in,v 1.61 2001/06/26 20:31:58 mdejong Exp $
TK_VERSION=8.4
TK_MAJOR_VERSION=8
@@ -1526,7 +1526,36 @@ fi
TCL_NEEDS_EXP_FILE=0
TCL_BUILD_EXP_FILE=""
TCL_EXP_FILE=""
- STLIB_LD="ar cr"
+ # Extract the first word of "ar", so it can be a program name with args.
+set dummy ar; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1533: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ if test -n "$AR"; then
+ ac_cv_prog_AR="$AR" # Let the user override the test.
+else
+ IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
+ ac_dummy="$PATH"
+ for ac_dir in $ac_dummy; do
+ test -z "$ac_dir" && ac_dir=.
+ if test -f $ac_dir/$ac_word; then
+ ac_cv_prog_AR="ar"
+ break
+ fi
+ done
+ IFS="$ac_save_ifs"
+fi
+fi
+AR="$ac_cv_prog_AR"
+if test -n "$AR"; then
+ echo "$ac_t""$AR" 1>&6
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+ STLIB_LD='${AR} cr'
case $system in
AIX-5.*)
if test "${TCL_THREADS}" = "1" -a "$using_gcc" = "no" ; then
@@ -1603,7 +1632,7 @@ fi
# known GMT value.
echo $ac_n "checking for gettimeofday in -lbsd""... $ac_c" 1>&6
-echo "configure:1607: checking for gettimeofday in -lbsd" >&5
+echo "configure:1636: checking for gettimeofday in -lbsd" >&5
ac_lib_var=`echo bsd'_'gettimeofday | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -1611,7 +1640,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lbsd $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 1615 "configure"
+#line 1644 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@@ -1622,7 +1651,7 @@ int main() {
gettimeofday()
; return 0; }
EOF
-if { (eval echo configure:1626: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1655: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -1684,7 +1713,7 @@ EOF
HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*|HP-UX-*.11.*)
SHLIB_SUFFIX=".sl"
echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
-echo "configure:1688: checking for shl_load in -ldld" >&5
+echo "configure:1717: checking for shl_load in -ldld" >&5
ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -1692,7 +1721,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-ldld $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 1696 "configure"
+#line 1725 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@@ -1703,7 +1732,7 @@ int main() {
shl_load()
; return 0; }
EOF
-if { (eval echo configure:1707: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1736: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -1810,17 +1839,17 @@ fi
else
ac_safe=`echo "dld.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for dld.h""... $ac_c" 1>&6
-echo "configure:1814: checking for dld.h" >&5
+echo "configure:1843: checking for dld.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1819 "configure"
+#line 1848 "configure"
#include "confdefs.h"
#include <dld.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1824: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1853: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@@ -1875,17 +1904,17 @@ fi
# Not available on all versions: check for include file.
ac_safe=`echo "dlfcn.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for dlfcn.h""... $ac_c" 1>&6
-echo "configure:1879: checking for dlfcn.h" >&5
+echo "configure:1908: checking for dlfcn.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1884 "configure"
+#line 1913 "configure"
#include "confdefs.h"
#include <dlfcn.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1889: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1918: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@@ -1912,9 +1941,9 @@ if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
LDFLAGS=""
LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
echo $ac_n "checking for ELF""... $ac_c" 1>&6
-echo "configure:1916: checking for ELF" >&5
+echo "configure:1945: checking for ELF" >&5
cat > conftest.$ac_ext <<EOF
-#line 1918 "configure"
+#line 1947 "configure"
#include "confdefs.h"
#ifdef __ELF__
@@ -2185,17 +2214,17 @@ EOF
# that don't grok the -Bexport option. Test that it does.
hold_ldflags=$LDFLAGS
echo $ac_n "checking for ld accepts -Bexport flag""... $ac_c" 1>&6
-echo "configure:2189: checking for ld accepts -Bexport flag" >&5
+echo "configure:2218: checking for ld accepts -Bexport flag" >&5
LDFLAGS="${LDFLAGS} -Wl,-Bexport"
cat > conftest.$ac_ext <<EOF
-#line 2192 "configure"
+#line 2221 "configure"
#include "confdefs.h"
int main() {
int i;
; return 0; }
EOF
-if { (eval echo configure:2199: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2228: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
found=yes
else
@@ -2241,9 +2270,9 @@ rm -f conftest*
if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
echo $ac_n "checking sys/exec.h""... $ac_c" 1>&6
-echo "configure:2245: checking sys/exec.h" >&5
+echo "configure:2274: checking sys/exec.h" >&5
cat > conftest.$ac_ext <<EOF
-#line 2247 "configure"
+#line 2276 "configure"
#include "confdefs.h"
#include <sys/exec.h>
int main() {
@@ -2261,7 +2290,7 @@ int main() {
; return 0; }
EOF
-if { (eval echo configure:2265: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2294: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
tcl_ok=usable
else
@@ -2279,9 +2308,9 @@ EOF
else
echo $ac_n "checking a.out.h""... $ac_c" 1>&6
-echo "configure:2283: checking a.out.h" >&5
+echo "configure:2312: checking a.out.h" >&5
cat > conftest.$ac_ext <<EOF
-#line 2285 "configure"
+#line 2314 "configure"
#include "confdefs.h"
#include <a.out.h>
int main() {
@@ -2299,7 +2328,7 @@ int main() {
; return 0; }
EOF
-if { (eval echo configure:2303: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2332: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
tcl_ok=usable
else
@@ -2317,9 +2346,9 @@ EOF
else
echo $ac_n "checking sys/exec_aout.h""... $ac_c" 1>&6
-echo "configure:2321: checking sys/exec_aout.h" >&5
+echo "configure:2350: checking sys/exec_aout.h" >&5
cat > conftest.$ac_ext <<EOF
-#line 2323 "configure"
+#line 2352 "configure"
#include "confdefs.h"
#include <sys/exec_aout.h>
int main() {
@@ -2337,7 +2366,7 @@ int main() {
; return 0; }
EOF
-if { (eval echo configure:2341: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2370: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
tcl_ok=usable
else
@@ -2432,7 +2461,7 @@ fi
echo $ac_n "checking for build with symbols""... $ac_c" 1>&6
-echo "configure:2436: checking for build with symbols" >&5
+echo "configure:2465: checking for build with symbols" >&5
# Check whether --enable-symbols or --disable-symbols was given.
if test "${enable_symbols+set}" = set; then
enableval="$enable_symbols"
@@ -2476,12 +2505,12 @@ fi
#--------------------------------------------------------------------
echo $ac_n "checking for sin""... $ac_c" 1>&6
-echo "configure:2480: checking for sin" >&5
+echo "configure:2509: checking for sin" >&5
if eval "test \"`echo '$''{'ac_cv_func_sin'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 2485 "configure"
+#line 2514 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char sin(); below. */
@@ -2504,7 +2533,7 @@ sin();
; return 0; }
EOF
-if { (eval echo configure:2508: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2537: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_sin=yes"
else
@@ -2525,7 +2554,7 @@ MATH_LIBS="-lm"
fi
echo $ac_n "checking for main in -lieee""... $ac_c" 1>&6
-echo "configure:2529: checking for main in -lieee" >&5
+echo "configure:2558: checking for main in -lieee" >&5
ac_lib_var=`echo ieee'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -2533,14 +2562,14 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lieee $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 2537 "configure"
+#line 2566 "configure"
#include "confdefs.h"
int main() {
main()
; return 0; }
EOF
-if { (eval echo configure:2544: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2573: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -2571,7 +2600,7 @@ fi
libbsd=no
if test "`uname -s`" = "AIX" ; then
echo $ac_n "checking for gettimeofday in -lbsd""... $ac_c" 1>&6
-echo "configure:2575: checking for gettimeofday in -lbsd" >&5
+echo "configure:2604: checking for gettimeofday in -lbsd" >&5
ac_lib_var=`echo bsd'_'gettimeofday | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -2579,7 +2608,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lbsd $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 2583 "configure"
+#line 2612 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@@ -2590,7 +2619,7 @@ int main() {
gettimeofday()
; return 0; }
EOF
-if { (eval echo configure:2594: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2623: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -2621,9 +2650,9 @@ fi
#--------------------------------------------------------------------
echo $ac_n "checking stdlib.h""... $ac_c" 1>&6
-echo "configure:2625: checking stdlib.h" >&5
+echo "configure:2654: checking stdlib.h" >&5
cat > conftest.$ac_ext <<EOF
-#line 2627 "configure"
+#line 2656 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
@@ -2638,7 +2667,7 @@ fi
rm -f conftest*
cat > conftest.$ac_ext <<EOF
-#line 2642 "configure"
+#line 2671 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
@@ -2652,7 +2681,7 @@ fi
rm -f conftest*
cat > conftest.$ac_ext <<EOF
-#line 2656 "configure"
+#line 2685 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
@@ -2684,16 +2713,16 @@ echo "$ac_t""$tk_ok" 1>&6
#--------------------------------------------------------------------
echo $ac_n "checking fd_set and sys/select""... $ac_c" 1>&6
-echo "configure:2688: checking fd_set and sys/select" >&5
+echo "configure:2717: checking fd_set and sys/select" >&5
cat > conftest.$ac_ext <<EOF
-#line 2690 "configure"
+#line 2719 "configure"
#include "confdefs.h"
#include <sys/types.h>
int main() {
fd_set readMask, writeMask;
; return 0; }
EOF
-if { (eval echo configure:2697: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2726: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
tk_ok=yes
else
@@ -2705,7 +2734,7 @@ fi
rm -f conftest*
if test $tk_ok = no; then
cat > conftest.$ac_ext <<EOF
-#line 2709 "configure"
+#line 2738 "configure"
#include "confdefs.h"
#include <sys/select.h>
EOF
@@ -2737,12 +2766,12 @@ fi
#--------------------------------------------------------------------
echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:2741: checking for ANSI C header files" >&5
+echo "configure:2770: checking for ANSI C header files" >&5
if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 2746 "configure"
+#line 2775 "configure"
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
@@ -2750,7 +2779,7 @@ else
#include <float.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2754: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2783: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@@ -2767,7 +2796,7 @@ rm -f conftest*
if test $ac_cv_header_stdc = yes; then
# SunOS 4.x string.h does not declare mem*, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
-#line 2771 "configure"
+#line 2800 "configure"
#include "confdefs.h"
#include <string.h>
EOF
@@ -2785,7 +2814,7 @@ fi
if test $ac_cv_header_stdc = yes; then
# ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
-#line 2789 "configure"
+#line 2818 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
@@ -2806,7 +2835,7 @@ if test "$cross_compiling" = yes; then
:
else
cat > conftest.$ac_ext <<EOF
-#line 2810 "configure"
+#line 2839 "configure"
#include "confdefs.h"
#include <ctype.h>
#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -2817,7 +2846,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
exit (0); }
EOF
-if { (eval echo configure:2821: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2850: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
:
else
@@ -2841,12 +2870,12 @@ EOF
fi
echo $ac_n "checking for mode_t""... $ac_c" 1>&6
-echo "configure:2845: checking for mode_t" >&5
+echo "configure:2874: checking for mode_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 2850 "configure"
+#line 2879 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
@@ -2874,12 +2903,12 @@ EOF
fi
echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:2878: checking for pid_t" >&5
+echo "configure:2907: checking for pid_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 2883 "configure"
+#line 2912 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
@@ -2907,12 +2936,12 @@ EOF
fi
echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:2911: checking for size_t" >&5
+echo "configure:2940: checking for size_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 2916 "configure"
+#line 2945 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
@@ -2940,12 +2969,12 @@ EOF
fi
echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:2944: checking for uid_t in sys/types.h" >&5
+echo "configure:2973: checking for uid_t in sys/types.h" >&5
if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 2949 "configure"
+#line 2978 "configure"
#include "confdefs.h"
#include <sys/types.h>
EOF
@@ -2982,17 +3011,17 @@ for ac_hdr in sys/time.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2986: checking for $ac_hdr" >&5
+echo "configure:3015: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 2991 "configure"
+#line 3020 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2996: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3025: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@@ -3019,12 +3048,12 @@ fi
done
echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:3023: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:3052: checking whether time.h and sys/time.h may both be included" >&5
if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3028 "configure"
+#line 3057 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/time.h>
@@ -3033,7 +3062,7 @@ int main() {
struct tm *tp;
; return 0; }
EOF
-if { (eval echo configure:3037: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3066: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_header_time=yes
else
@@ -3059,16 +3088,16 @@ fi
#-------------------------------------------
echo $ac_n "checking pw_gecos in struct pwd""... $ac_c" 1>&6
-echo "configure:3063: checking pw_gecos in struct pwd" >&5
+echo "configure:3092: checking pw_gecos in struct pwd" >&5
cat > conftest.$ac_ext <<EOF
-#line 3065 "configure"
+#line 3094 "configure"
#include "confdefs.h"
#include <pwd.h>
int main() {
struct passwd pwd; pwd.pw_gecos;
; return 0; }
EOF
-if { (eval echo configure:3072: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3101: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
tk_ok=yes
else
@@ -3101,7 +3130,7 @@ fi
# Uses ac_ vars as temps to allow command line to override cache and checks.
# --without-x overrides everything else, but does not touch the cache.
echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:3105: checking for X" >&5
+echo "configure:3134: checking for X" >&5
# Check whether --with-x or --without-x was given.
if test "${with_x+set}" = set; then
@@ -3163,12 +3192,12 @@ if test "$ac_x_includes" = NO; then
# First, try using that file with no special directory specified.
cat > conftest.$ac_ext <<EOF
-#line 3167 "configure"
+#line 3196 "configure"
#include "confdefs.h"
#include <$x_direct_test_include>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3172: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3201: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@@ -3237,14 +3266,14 @@ if test "$ac_x_libraries" = NO; then
ac_save_LIBS="$LIBS"
LIBS="-l$x_direct_test_library $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 3241 "configure"
+#line 3270 "configure"
#include "confdefs.h"
int main() {
${x_direct_test_function}()
; return 0; }
EOF
-if { (eval echo configure:3248: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3277: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
LIBS="$ac_save_LIBS"
# We can link X programs with no special library path.
@@ -3334,12 +3363,12 @@ fi
if test "$no_x" = ""; then
if test "$x_includes" = ""; then
cat > conftest.$ac_ext <<EOF
-#line 3338 "configure"
+#line 3367 "configure"
#include "confdefs.h"
#include <X11/XIntrinsic.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3343: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3372: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@@ -3359,15 +3388,15 @@ rm -f conftest*
fi
if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
echo $ac_n "checking for X11 header files""... $ac_c" 1>&6
-echo "configure:3363: checking for X11 header files" >&5
+echo "configure:3392: checking for X11 header files" >&5
XINCLUDES="# no special path needed"
cat > conftest.$ac_ext <<EOF
-#line 3366 "configure"
+#line 3395 "configure"
#include "confdefs.h"
#include <X11/Intrinsic.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3371: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3400: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@@ -3403,7 +3432,7 @@ rm -f conftest*
if test "$no_x" = yes; then
echo $ac_n "checking for X11 libraries""... $ac_c" 1>&6
-echo "configure:3407: checking for X11 libraries" >&5
+echo "configure:3436: checking for X11 libraries" >&5
XLIBSW=nope
dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/X11R6/lib /usr/X11R5/lib /usr/lib/X11R5 /usr/lib/X11R4 /usr/openwin/lib /usr/X11/lib /usr/sww/X11/lib"
for i in $dirs ; do
@@ -3423,7 +3452,7 @@ echo "configure:3407: checking for X11 libraries" >&5
fi
if test "$XLIBSW" = nope ; then
echo $ac_n "checking for XCreateWindow in -lXwindow""... $ac_c" 1>&6
-echo "configure:3427: checking for XCreateWindow in -lXwindow" >&5
+echo "configure:3456: checking for XCreateWindow in -lXwindow" >&5
ac_lib_var=`echo Xwindow'_'XCreateWindow | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -3431,7 +3460,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lXwindow $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 3435 "configure"
+#line 3464 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@@ -3442,7 +3471,7 @@ int main() {
XCreateWindow()
; return 0; }
EOF
-if { (eval echo configure:3446: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3475: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -3527,7 +3556,7 @@ esac
#--------------------------------------------------------------------
echo $ac_n "checking for main in -lXbsd""... $ac_c" 1>&6
-echo "configure:3531: checking for main in -lXbsd" >&5
+echo "configure:3560: checking for main in -lXbsd" >&5
ac_lib_var=`echo Xbsd'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -3535,14 +3564,14 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lXbsd $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 3539 "configure"
+#line 3568 "configure"
#include "confdefs.h"
int main() {
main()
; return 0; }
EOF
-if { (eval echo configure:3546: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3575: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -3565,12 +3594,12 @@ fi
tk_checkBoth=0
echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:3569: checking for connect" >&5
+echo "configure:3598: checking for connect" >&5
if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3574 "configure"
+#line 3603 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char connect(); below. */
@@ -3593,7 +3622,7 @@ connect();
; return 0; }
EOF
-if { (eval echo configure:3597: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3626: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_connect=yes"
else
@@ -3615,7 +3644,7 @@ fi
if test "$tk_checkSocket" = 1; then
echo $ac_n "checking for main in -lsocket""... $ac_c" 1>&6
-echo "configure:3619: checking for main in -lsocket" >&5
+echo "configure:3648: checking for main in -lsocket" >&5
ac_lib_var=`echo socket'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -3623,14 +3652,14 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lsocket $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 3627 "configure"
+#line 3656 "configure"
#include "confdefs.h"
int main() {
main()
; return 0; }
EOF
-if { (eval echo configure:3634: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3663: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -3656,12 +3685,12 @@ if test "$tk_checkBoth" = 1; then
tk_oldLibs=$LIBS
LIBS="$LIBS -lsocket -lnsl"
echo $ac_n "checking for accept""... $ac_c" 1>&6
-echo "configure:3660: checking for accept" >&5
+echo "configure:3689: checking for accept" >&5
if eval "test \"`echo '$''{'ac_cv_func_accept'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3665 "configure"
+#line 3694 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char accept(); below. */
@@ -3684,7 +3713,7 @@ accept();
; return 0; }
EOF
-if { (eval echo configure:3688: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3717: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_accept=yes"
else
@@ -3706,12 +3735,12 @@ fi
fi
echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:3710: checking for gethostbyname" >&5
+echo "configure:3739: checking for gethostbyname" >&5
if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3715 "configure"
+#line 3744 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char gethostbyname(); below. */
@@ -3734,7 +3763,7 @@ gethostbyname();
; return 0; }
EOF
-if { (eval echo configure:3738: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3767: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_gethostbyname=yes"
else
@@ -3752,7 +3781,7 @@ if eval "test \"`echo '$ac_cv_func_'gethostbyname`\" = yes"; then
else
echo "$ac_t""no" 1>&6
echo $ac_n "checking for main in -lnsl""... $ac_c" 1>&6
-echo "configure:3756: checking for main in -lnsl" >&5
+echo "configure:3785: checking for main in -lnsl" >&5
ac_lib_var=`echo nsl'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -3760,14 +3789,14 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lnsl $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 3764 "configure"
+#line 3793 "configure"
#include "confdefs.h"
int main() {
main()
; return 0; }
EOF
-if { (eval echo configure:3771: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3800: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -3807,13 +3836,13 @@ LIBS="$LIBS$THREADS_LIBS"
if test -d /usr/include/mit ; then
echo $ac_n "checking MIT X libraries""... $ac_c" 1>&6
-echo "configure:3811: checking MIT X libraries" >&5
+echo "configure:3840: checking MIT X libraries" >&5
tk_oldCFlags=$CFLAGS
CFLAGS="$CFLAGS -I/usr/include/mit"
tk_oldLibs=$LIBS
LIBS="$LIBS -lX11-mit"
cat > conftest.$ac_ext <<EOF
-#line 3817 "configure"
+#line 3846 "configure"
#include "confdefs.h"
#include <X11/Xlib.h>
@@ -3824,7 +3853,7 @@ int main() {
; return 0; }
EOF
-if { (eval echo configure:3828: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3857: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
echo "$ac_t""yes" 1>&6
@@ -3851,12 +3880,12 @@ fi
MATH_LIBS=""
echo $ac_n "checking for sin""... $ac_c" 1>&6
-echo "configure:3855: checking for sin" >&5
+echo "configure:3884: checking for sin" >&5
if eval "test \"`echo '$''{'ac_cv_func_sin'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3860 "configure"
+#line 3889 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char sin(); below. */
@@ -3879,7 +3908,7 @@ sin();
; return 0; }
EOF
-if { (eval echo configure:3883: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3912: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_sin=yes"
else
@@ -3900,7 +3929,7 @@ MATH_LIBS="-lm"
fi
echo $ac_n "checking for main in -lieee""... $ac_c" 1>&6
-echo "configure:3904: checking for main in -lieee" >&5
+echo "configure:3933: checking for main in -lieee" >&5
ac_lib_var=`echo ieee'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@@ -3908,14 +3937,14 @@ else
ac_save_LIBS="$LIBS"
LIBS="-lieee $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 3912 "configure"
+#line 3941 "configure"
#include "confdefs.h"
int main() {
main()
; return 0; }
EOF
-if { (eval echo configure:3919: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3948: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@@ -3942,14 +3971,14 @@ fi
#--------------------------------------------------------------------
echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
-echo "configure:3946: checking whether char is unsigned" >&5
+echo "configure:3975: checking whether char is unsigned" >&5
if eval "test \"`echo '$''{'ac_cv_c_char_unsigned'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
if test "$GCC" = yes; then
# GCC predefines this symbol on systems where it applies.
cat > conftest.$ac_ext <<EOF
-#line 3953 "configure"
+#line 3982 "configure"
#include "confdefs.h"
#ifdef __CHAR_UNSIGNED__
yes
@@ -3971,7 +4000,7 @@ if test "$cross_compiling" = yes; then
{ echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
cat > conftest.$ac_ext <<EOF
-#line 3975 "configure"
+#line 4004 "configure"
#include "confdefs.h"
/* volatile prevents gcc2 from optimizing the test away on sparcs. */
#if !defined(__STDC__) || __STDC__ != 1
@@ -3981,7 +4010,7 @@ main() {
volatile char c = 255; exit(c < 0);
}
EOF
-if { (eval echo configure:3985: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4014: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
ac_cv_c_char_unsigned=yes
else
@@ -4014,12 +4043,12 @@ fi
echo $ac_n "checking for strtod""... $ac_c" 1>&6
-echo "configure:4018: checking for strtod" >&5
+echo "configure:4047: checking for strtod" >&5
if eval "test \"`echo '$''{'ac_cv_func_strtod'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4023 "configure"
+#line 4052 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char strtod(); below. */
@@ -4042,7 +4071,7 @@ strtod();
; return 0; }
EOF
-if { (eval echo configure:4046: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4075: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_strtod=yes"
else
@@ -4064,12 +4093,12 @@ fi
if test "$tcl_strtod" = 1; then
echo $ac_n "checking for Solaris2.4/Tru64 strtod bugs""... $ac_c" 1>&6
-echo "configure:4068: checking for Solaris2.4/Tru64 strtod bugs" >&5
+echo "configure:4097: checking for Solaris2.4/Tru64 strtod bugs" >&5
if test "$cross_compiling" = yes; then
tcl_ok=0
else
cat > conftest.$ac_ext <<EOF
-#line 4073 "configure"
+#line 4102 "configure"
#include "confdefs.h"
extern double strtod();
@@ -4089,7 +4118,7 @@ else
exit(0);
}
EOF
-if { (eval echo configure:4093: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4122: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
tcl_ok=1
else
@@ -4121,7 +4150,7 @@ EOF
echo $ac_n "checking how to build libraries""... $ac_c" 1>&6
-echo "configure:4125: checking how to build libraries" >&5
+echo "configure:4154: checking how to build libraries" >&5
# Check whether --enable-shared or --disable-shared was given.
if test "${enable_shared+set}" = set; then
enableval="$enable_shared"
@@ -4168,7 +4197,7 @@ if test "${SHARED_BUILD}" = "1" -a "${SHLIB_SUFFIX}" != ""; then
else
TK_SHLIB_CFLAGS=""
TK_LIB_FILE=libtk${TK_UNSHARED_LIB_SUFFIX}
- MAKE_LIB="ar cr \$@ \${OBJS}"
+ MAKE_LIB="\${STLIB_LD} \$@ \${OBJS}"
TCL_STUB_FLAGS=""
fi
@@ -4212,7 +4241,7 @@ TK_SHARED_BUILD=${SHARED_BUILD}
eval "TK_STUB_LIB_FILE=libtkstub${TK_UNSHARED_LIB_SUFFIX}"
# FIXME: Should we add MAKE_STUB_LIB to tclConfig.sh ?
-MAKE_STUB_LIB="ar cr \$@ \${STUB_LIB_OBJS}"
+MAKE_STUB_LIB="\${STLIB_LD} \$@ \${STUB_LIB_OBJS}"
if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
eval TK_STUB_LIB_FLAG="-ltkstub${TK_VERSION}\${TK_DBGX}"
@@ -4262,6 +4291,9 @@ eval "TK_LIB_FILE=${TK_LIB_FILE}"
+
+
+
#AC_SUBST(TCL_BUILD_STUB_LIB_SPEC)
#AC_SUBST(TCL_BUILD_LIB_SPEC)
@@ -4435,6 +4467,7 @@ s%@TCL_THREADS@%$TCL_THREADS%g
s%@TCL_BIN_DIR@%$TCL_BIN_DIR%g
s%@TCL_SRC_DIR@%$TCL_SRC_DIR%g
s%@TCL_LIB_FILE@%$TCL_LIB_FILE%g
+s%@AR@%$AR%g
s%@DL_LIBS@%$DL_LIBS%g
s%@CFLAGS_DEBUG@%$CFLAGS_DEBUG%g
s%@CFLAGS_OPTIMIZE@%$CFLAGS_OPTIMIZE%g
@@ -4460,6 +4493,7 @@ s%@MATH_LIBS@%$MATH_LIBS%g
s%@MAKE_LIB@%$MAKE_LIB%g
s%@SHLIB_CFLAGS@%$SHLIB_CFLAGS%g
s%@TK_SHLIB_CFLAGS@%$TK_SHLIB_CFLAGS%g
+s%@STLIB_LD@%$STLIB_LD%g
s%@SHLIB_LD@%$SHLIB_LD%g
s%@SHLIB_LD_LIBS@%$SHLIB_LD_LIBS%g
s%@SHLIB_SUFFIX@%$SHLIB_SUFFIX%g
diff --git a/unix/configure.in b/unix/configure.in
index 9da83a1..cc325ae 100644
--- a/unix/configure.in
+++ b/unix/configure.in
@@ -3,7 +3,7 @@ dnl This file is an input file used by the GNU "autoconf" program to
dnl generate the file "configure", which is run during Tk installation
dnl to configure the system for the local environment.
AC_INIT(../generic/tk.h)
-# RCS: @(#) $Id: configure.in,v 1.61 2001/06/26 20:31:58 mdejong Exp $
+# RCS: @(#) $Id: configure.in,v 1.62 2001/07/11 01:36:41 mdejong Exp $
TK_VERSION=8.4
TK_MAJOR_VERSION=8
@@ -351,7 +351,7 @@ if test "${SHARED_BUILD}" = "1" -a "${SHLIB_SUFFIX}" != ""; then
else
TK_SHLIB_CFLAGS=""
TK_LIB_FILE=libtk${TK_UNSHARED_LIB_SUFFIX}
- MAKE_LIB="ar cr \[$]@ \${OBJS}"
+ MAKE_LIB="\${STLIB_LD} \[$]@ \${OBJS}"
TCL_STUB_FLAGS=""
fi
@@ -395,7 +395,7 @@ TK_SHARED_BUILD=${SHARED_BUILD}
eval "TK_STUB_LIB_FILE=libtkstub${TK_UNSHARED_LIB_SUFFIX}"
# FIXME: Should we add MAKE_STUB_LIB to tclConfig.sh ?
-MAKE_STUB_LIB="ar cr \[$]@ \${STUB_LIB_OBJS}"
+MAKE_STUB_LIB="\${STLIB_LD} \[$]@ \${STUB_LIB_OBJS}"
if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then
eval TK_STUB_LIB_FLAG="-ltkstub${TK_VERSION}\${TK_DBGX}"
@@ -435,9 +435,12 @@ AC_SUBST(TK_DBGX)
AC_SUBST(DL_LIBS)
AC_SUBST(EXTRA_CFLAGS)
AC_SUBST(MATH_LIBS)
+AC_SUBST(AR)
+AC_SUBST(RANLIB)
AC_SUBST(MAKE_LIB)
AC_SUBST(SHLIB_CFLAGS)
AC_SUBST(TK_SHLIB_CFLAGS)
+AC_SUBST(STLIB_LD)
AC_SUBST(SHLIB_LD)
AC_SUBST(SHLIB_LD_LIBS)
AC_SUBST(SHLIB_SUFFIX)
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index fab607f..2e2d6f8 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -450,6 +450,8 @@ AC_DEFUN(SC_ENABLE_SYMBOLS, [
# MAKE_LIB - Command to execute to build the Tcl library;
# differs depending on whether or not Tcl is being
# compiled as a shared library.
+# STLIB_LD - Base command to use for combining object files
+# into a static library.
# SHLIB_CFLAGS - Flags to pass to cc when compiling the components
# of a shared library (may request position-independent
# code, among other things).
@@ -592,7 +594,10 @@ AC_DEFUN(SC_CONFIG_CFLAGS, [
TCL_NEEDS_EXP_FILE=0
TCL_BUILD_EXP_FILE=""
TCL_EXP_FILE=""
- STLIB_LD="ar cr"
+dnl FIXME: Replace AC_CHECK_PROG with AC_CHECK_TOOL once cross compiling is fixed.
+dnl AC_CHECK_TOOL(AR, ar, :)
+ AC_CHECK_PROG(AR, ar, ar)
+ STLIB_LD='${AR} cr'
case $system in
AIX-5.*)
if test "${TCL_THREADS}" = "1" -a "$using_gcc" = "no" ; then
diff --git a/win/configure b/win/configure
index 70e7ead..d576386 100755
--- a/win/configure
+++ b/win/configure
@@ -1185,13 +1185,13 @@ echo "configure:1180: checking compiler flags" >&5
SHLIB_LD_LIBS=""
LIBS=""
LIBS_GUI="-lgdi32 -lcomdlg32 -limm32"
- STLIB_LD="${AR}"
+ STLIB_LD='${AR} cr'
RC_OUT=-o
RC_TYPE=
RC_INCLUDE=--include
RC_DEFINE=--define
RES=res.o
- MAKE_LIB="\${AR} cr \$@"
+ MAKE_LIB="\${STLIB_LD} \$@"
POST_MAKE_LIB="\${RANLIB} \$@"
MAKE_EXE="\${CC} -o \$@"
LIBPREFIX="lib"
@@ -1266,7 +1266,6 @@ echo "configure:1180: checking compiler flags" >&5
SHLIB_LD_LIBS="user32.lib advapi32.lib"
LIBS="user32.lib advapi32.lib"
LIBS_GUI="gdi32.lib comdlg32.lib imm32.lib"
- AR="lib -nologo"
STLIB_LD="lib -nologo"
RC="rc"
RC_OUT=-fo
@@ -1274,7 +1273,7 @@ echo "configure:1180: checking compiler flags" >&5
RC_INCLUDE=-i
RC_DEFINE=-d
RES=res
- MAKE_LIB="\${AR} -out:\$@"
+ MAKE_LIB="\${STLIB_LD} -out:\$@"
POST_MAKE_LIB=
MAKE_EXE="\${CC} -Fe\$@"
LIBPREFIX=""
@@ -1328,7 +1327,7 @@ echo "configure:1180: checking compiler flags" >&5
#--------------------------------------------------------------------
echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1332: checking how to run the C preprocessor" >&5
+echo "configure:1331: checking how to run the C preprocessor" >&5
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
CPP=
@@ -1343,13 +1342,13 @@ else
# On the NeXT, cc -E runs the code through the compiler's parser,
# not just through cpp.
cat > conftest.$ac_ext <<EOF
-#line 1347 "configure"
+#line 1346 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1353: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1352: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@@ -1360,13 +1359,13 @@ else
rm -rf conftest*
CPP="${CC-cc} -E -traditional-cpp"
cat > conftest.$ac_ext <<EOF
-#line 1364 "configure"
+#line 1363 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1370: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1369: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@@ -1377,13 +1376,13 @@ else
rm -rf conftest*
CPP="${CC-cc} -nologo -E"
cat > conftest.$ac_ext <<EOF
-#line 1381 "configure"
+#line 1380 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1387: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1386: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@@ -1409,17 +1408,17 @@ echo "$ac_t""$CPP" 1>&6
ac_safe=`echo "errno.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for errno.h""... $ac_c" 1>&6
-echo "configure:1413: checking for errno.h" >&5
+echo "configure:1412: checking for errno.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1418 "configure"
+#line 1417 "configure"
#include "confdefs.h"
#include <errno.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1423: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1422: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@@ -1451,7 +1450,7 @@ fi
echo $ac_n "checking for build with symbols""... $ac_c" 1>&6
-echo "configure:1455: checking for build with symbols" >&5
+echo "configure:1454: checking for build with symbols" >&5
# Check whether --enable-symbols or --disable-symbols was given.
if test "${enable_symbols+set}" = set; then
enableval="$enable_symbols"
@@ -1482,7 +1481,7 @@ TK_DBGX=${DBGX}
echo $ac_n "checking the location of tclConfig.sh""... $ac_c" 1>&6
-echo "configure:1486: checking the location of tclConfig.sh" >&5
+echo "configure:1485: checking the location of tclConfig.sh" >&5
if test -d ../../tcl8.4$TK_PATCH_LEVEL/win; then
TCL_BIN_DIR_DEFAULT=../../tcl8.4$TK_PATCH_LEVEL/win
@@ -1508,7 +1507,7 @@ fi
echo $ac_n "checking for existence of $TCL_BIN_DIR/tclConfig.sh""... $ac_c" 1>&6
-echo "configure:1512: checking for existence of $TCL_BIN_DIR/tclConfig.sh" >&5
+echo "configure:1511: checking for existence of $TCL_BIN_DIR/tclConfig.sh" >&5
if test -f "$TCL_BIN_DIR/tclConfig.sh" ; then
echo "$ac_t""loading" 1>&6
@@ -1530,7 +1529,7 @@ echo "configure:1512: checking for existence of $TCL_BIN_DIR/tclConfig.sh" >&5
echo $ac_n "checking for tclsh""... $ac_c" 1>&6
-echo "configure:1534: checking for tclsh" >&5
+echo "configure:1533: checking for tclsh" >&5
if eval "test \"`echo '$''{'ac_cv_path_tclsh'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
diff --git a/win/tcl.m4 b/win/tcl.m4
index add1a55..e6109a2 100644
--- a/win/tcl.m4
+++ b/win/tcl.m4
@@ -298,6 +298,7 @@ AC_DEFUN(SC_ENABLE_SYMBOLS, [
# CC_OBJNAME
# CC_EXENAME
# CYGPATH
+# STLIB_LD
# SHLIB_LD
# SHLIB_LD_LIBS
# LIBS
@@ -348,13 +349,13 @@ AC_DEFUN(SC_CONFIG_CFLAGS, [
SHLIB_LD_LIBS=""
LIBS=""
LIBS_GUI="-lgdi32 -lcomdlg32 -limm32"
- STLIB_LD="${AR}"
+ STLIB_LD='${AR} cr'
RC_OUT=-o
RC_TYPE=
RC_INCLUDE=--include
RC_DEFINE=--define
RES=res.o
- MAKE_LIB="\${AR} cr \[$]@"
+ MAKE_LIB="\${STLIB_LD} \[$]@"
POST_MAKE_LIB="\${RANLIB} \[$]@"
MAKE_EXE="\${CC} -o \[$]@"
LIBPREFIX="lib"
@@ -429,7 +430,6 @@ AC_DEFUN(SC_CONFIG_CFLAGS, [
SHLIB_LD_LIBS="user32.lib advapi32.lib"
LIBS="user32.lib advapi32.lib"
LIBS_GUI="gdi32.lib comdlg32.lib imm32.lib"
- AR="lib -nologo"
STLIB_LD="lib -nologo"
RC="rc"
RC_OUT=-fo
@@ -437,7 +437,7 @@ AC_DEFUN(SC_CONFIG_CFLAGS, [
RC_INCLUDE=-i
RC_DEFINE=-d
RES=res
- MAKE_LIB="\${AR} -out:\[$]@"
+ MAKE_LIB="\${STLIB_LD} -out:\[$]@"
POST_MAKE_LIB=
MAKE_EXE="\${CC} -Fe\[$]@"
LIBPREFIX=""
generated by cgit v0.12 at 2024-10-03 11:18:03 (GMT)
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/*
 * tkListbox.c --
 *
 *	This module implements listbox widgets for the Tk toolkit. A listbox
 *	displays a collection of strings, one per line, and provides scrolling
 *	and selection.
 *
 * Copyright (c) 1990-1994 The Regents of the University of California.
 * Copyright (c) 1994-1997 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 * RCS: @(#) $Id: tkListbox.c,v 1.44.2.4 2010/01/29 12:41:11 nijtmans Exp $
 */

#include "default.h"
#include "tkInt.h"

#ifdef WIN32
#include "tkWinInt.h"
#endif

typedef struct {
    Tk_OptionTable listboxOptionTable;
				/* Table defining configuration options
				 * available for the listbox. */
    Tk_OptionTable itemAttrOptionTable;
				/* Table definining configuration options
				 * available for listbox items. */
} ListboxOptionTables;

/*
 * A data structure of the following type is kept for each listbox widget
 * managed by this file:
 */

typedef struct {
    Tk_Window tkwin;		/* Window that embodies the listbox. NULL
				 * means that the window has been destroyed
				 * but the data structures haven't yet been
				 * cleaned up. */
    Display *display;		/* Display containing widget. Used, among
				 * other things, so that resources can be
				 * freed even after tkwin has gone away. */
    Tcl_Interp *interp;		/* Interpreter associated with listbox. */
    Tcl_Command widgetCmd;	/* Token for listbox's widget command. */
    Tk_OptionTable optionTable;	/* Table that defines configuration options
				 * available for this widget. */
    Tk_OptionTable itemAttrOptionTable;
				/* Table that defines configuration options
				 * available for listbox items. */
    char *listVarName;		/* List variable name */
    Tcl_Obj *listObj;		/* Pointer to the list object being used */
    int nElements;		/* Holds the current count of elements */
    Tcl_HashTable *selection;	/* Tracks selection */
    Tcl_HashTable *itemAttrTable;
				/* Tracks item attributes */

    /*
     * Information used when displaying widget:
     */

    Tk_3DBorder normalBorder;	/* Used for drawing border around whole
				 * window, plus used for background. */
    int borderWidth;		/* Width of 3-D border around window. */
    int relief;			/* 3-D effect: TK_RELIEF_RAISED, etc. */
    int highlightWidth;		/* Width in pixels of highlight to draw around
				 * widget when it has the focus. <= 0 means
				 * don't draw a highlight. */
    XColor *highlightBgColorPtr;
				/* Color for drawing traversal highlight area
				 * when highlight is off. */
    XColor *highlightColorPtr;	/* Color for drawing traversal highlight. */
    int inset;			/* Total width of all borders, including
				 * traversal highlight and 3-D border.
				 * Indicates how much interior stuff must be
				 * offset from outside edges to leave room for
				 * borders. */
    Tk_Font tkfont;		/* Information about text font, or NULL. */
    XColor *fgColorPtr;		/* Text color in normal mode. */
    XColor *dfgColorPtr;	/* Text color in disabled mode. */
    GC textGC;			/* For drawing normal text. */
    Tk_3DBorder selBorder;	/* Borders and backgrounds for selected
				 * elements. */
    int selBorderWidth;		/* Width of border around selection. */
    XColor *selFgColorPtr;	/* Foreground color for selected elements. */
    GC selTextGC;		/* For drawing selected text. */
    int width;			/* Desired width of window, in characters. */
    int height;			/* Desired height of window, in lines. */
    int lineHeight;		/* Number of pixels allocated for each line in
				 * display. */
    int topIndex;		/* Index of top-most element visible in
				 * window. */
    int fullLines;		/* Number of lines that fit are completely
				 * visible in window. There may be one
				 * additional line at the bottom that is
				 * partially visible. */
    int partialLine;		/* 0 means that the window holds exactly
				 * fullLines lines. 1 means that there is one
				 * additional line that is partially
				 * visble. */
    int setGrid;		/* Non-zero means pass gridding information to
				 * window manager. */

    /*
     * Information to support horizontal scrolling:
     */

    int maxWidth;		/* Width (in pixels) of widest string in
				 * listbox. */
    int xScrollUnit;		/* Number of pixels in one "unit" for
				 * horizontal scrolling (window scrolls
				 * horizontally in increments of this size).
				 * This is an average character size. */
    int xOffset;		/* The left edge of each string in the listbox
				 * is offset to the left by this many pixels
				 * (0 means no offset, positive means there is
				 * an offset). */

    /*
     * Information about what's selected or active, if any.
     */

    Tk_Uid selectMode;		/* Selection style: single, browse, multiple,
				 * or extended. This value isn't used in C
				 * code, but the Tcl bindings use it. */
    int numSelected;		/* Number of elements currently selected. */
    int selectAnchor;		/* Fixed end of selection (i.e. element at
				 * which selection was started.) */
    int exportSelection;	/* Non-zero means tie internal listbox to X
				 * selection. */
    int active;			/* Index of "active" element (the one that has
				 * been selected by keyboard traversal). -1
				 * means none. */
    int activeStyle;		/* style in which to draw the active element.
				 * One of: underline, none, dotbox */

    /*
     * Information for scanning:
     */

    int scanMarkX;		/* X-position at which scan started (e.g.
				 * button was pressed here). */
    int scanMarkY;		/* Y-position at which scan started (e.g.
				 * button was pressed here). */
    int scanMarkXOffset;	/* Value of "xOffset" field when scan
				 * started. */
    int scanMarkYIndex;		/* Index of line that was at top of window
				 * when scan started. */

    /*
     * Miscellaneous information:
     */

    Tk_Cursor cursor;		/* Current cursor for window, or None. */
    char *takeFocus;		/* Value of -takefocus option; not used in the
				 * C code, but used by keyboard traversal
				 * scripts. Malloc'ed, but may be NULL. */
    char *yScrollCmd;		/* Command prefix for communicating with
				 * vertical scrollbar. NULL means no command
				 * to issue. Malloc'ed. */
    char *xScrollCmd;		/* Command prefix for communicating with
				 * horizontal scrollbar. NULL means no command
				 * to issue. Malloc'ed. */
    int state;			/* Listbox state. */
    Pixmap gray;		/* Pixmap for displaying disabled text. */
    int flags;			/* Various flag bits: see below for
				 * definitions. */
} Listbox;

/*
 * ItemAttr structures are used to store item configuration information for
 * the items in a listbox
 */

typedef struct {
    Tk_3DBorder border;		/* Used for drawing background around text */
    Tk_3DBorder selBorder;	/* Used for selected text */
    XColor *fgColor;		/* Text color in normal mode. */
    XColor *selFgColor;		/* Text color in selected mode. */
} ItemAttr;

/*
 * Flag bits for listboxes:
 *
 * REDRAW_PENDING:		Non-zero means a DoWhenIdle handler has
 *				already been queued to redraw this window.
 * UPDATE_V_SCROLLBAR:		Non-zero means vertical scrollbar needs to be
 *				updated.
 * UPDATE_H_SCROLLBAR:		Non-zero means horizontal scrollbar needs to
 *				be updated.
 * GOT_FOCUS:			Non-zero means this widget currently has the
 *				input focus.
 * MAXWIDTH_IS_STALE:		Stored maxWidth may be out-of-date
 * LISTBOX_DELETED:		This listbox has been effectively destroyed.
 */

#define REDRAW_PENDING		1
#define UPDATE_V_SCROLLBAR	2
#define UPDATE_H_SCROLLBAR	4
#define GOT_FOCUS		8
#define MAXWIDTH_IS_STALE	16
#define LISTBOX_DELETED		32

/*
 * The following enum is used to define a type for the -state option of the
 * Listbox widget. These values are used as indices into the string table
 * below.
 */

enum state {
    STATE_DISABLED, STATE_NORMAL
};

static char *stateStrings[] = {
    "disabled", "normal", NULL
};

enum activeStyle {
    ACTIVE_STYLE_DOTBOX, ACTIVE_STYLE_NONE, ACTIVE_STYLE_UNDERLINE
};

static char *activeStyleStrings[] = {
    "dotbox", "none", "underline", NULL
};

/*
 * The optionSpecs table defines the valid configuration options for the
 * listbox widget.
 */

static const Tk_OptionSpec optionSpecs[] = {
    {TK_OPTION_STRING_TABLE, "-activestyle", "activeStyle", "ActiveStyle",
	DEF_LISTBOX_ACTIVE_STYLE, -1, Tk_Offset(Listbox, activeStyle),
	0, (ClientData) activeStyleStrings, 0},
    {TK_OPTION_BORDER, "-background", "background", "Background",
	 DEF_LISTBOX_BG_COLOR, -1, Tk_Offset(Listbox, normalBorder),
	 0, (ClientData) DEF_LISTBOX_BG_MONO, 0},
    {TK_OPTION_SYNONYM, "-bd", NULL, NULL,
	 NULL, 0, -1, 0, (ClientData) "-borderwidth", 0},
    {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
	 NULL, 0, -1, 0, (ClientData) "-background", 0},
    {TK_OPTION_PIXELS, "-borderwidth", "borderWidth", "BorderWidth",
	 DEF_LISTBOX_BORDER_WIDTH, -1, Tk_Offset(Listbox, borderWidth),
	 0, 0, 0},
    {TK_OPTION_CURSOR, "-cursor", "cursor", "Cursor",
	 DEF_LISTBOX_CURSOR, -1, Tk_Offset(Listbox, cursor),
	 TK_OPTION_NULL_OK, 0, 0},
    {TK_OPTION_COLOR, "-disabledforeground", "disabledForeground",
	 "DisabledForeground", DEF_LISTBOX_DISABLED_FG, -1,
	 Tk_Offset(Listbox, dfgColorPtr), TK_OPTION_NULL_OK, 0, 0},
    {TK_OPTION_BOOLEAN, "-exportselection", "exportSelection",
	 "ExportSelection", DEF_LISTBOX_EXPORT_SELECTION, -1,
	 Tk_Offset(Listbox, exportSelection), 0, 0, 0},
    {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
	 NULL, 0, -1, 0, (ClientData) "-foreground", 0},
    {TK_OPTION_FONT, "-font", "font", "Font",
	 DEF_LISTBOX_FONT, -1, Tk_Offset(Listbox, tkfont), 0, 0, 0},
    {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
	 DEF_LISTBOX_FG, -1, Tk_Offset(Listbox, fgColorPtr), 0, 0, 0},
    {TK_OPTION_INT, "-height", "height", "Height",
	 DEF_LISTBOX_HEIGHT, -1, Tk_Offset(Listbox, height), 0, 0, 0},
    {TK_OPTION_COLOR, "-highlightbackground", "highlightBackground",
	 "HighlightBackground", DEF_LISTBOX_HIGHLIGHT_BG, -1,
	 Tk_Offset(Listbox, highlightBgColorPtr), 0, 0, 0},
    {TK_OPTION_COLOR, "-highlightcolor", "highlightColor", "HighlightColor",
	 DEF_LISTBOX_HIGHLIGHT, -1, Tk_Offset(Listbox, highlightColorPtr),
	 0, 0, 0},
    {TK_OPTION_PIXELS, "-highlightthickness", "highlightThickness",
	 "HighlightThickness", DEF_LISTBOX_HIGHLIGHT_WIDTH, -1,
	 Tk_Offset(Listbox, highlightWidth), 0, 0, 0},
    {TK_OPTION_RELIEF, "-relief", "relief", "Relief",
	 DEF_LISTBOX_RELIEF, -1, Tk_Offset(Listbox, relief), 0, 0, 0},
    {TK_OPTION_BORDER, "-selectbackground", "selectBackground", "Foreground",
	 DEF_LISTBOX_SELECT_COLOR, -1, Tk_Offset(Listbox, selBorder),
	 0, (ClientData) DEF_LISTBOX_SELECT_MONO, 0},
    {TK_OPTION_PIXELS, "-selectborderwidth", "selectBorderWidth",
	 "BorderWidth", DEF_LISTBOX_SELECT_BD, -1,
	 Tk_Offset(Listbox, selBorderWidth), 0, 0, 0},
    {TK_OPTION_COLOR, "-selectforeground", "selectForeground", "Background",
	 DEF_LISTBOX_SELECT_FG_COLOR, -1, Tk_Offset(Listbox, selFgColorPtr),
	 TK_CONFIG_NULL_OK, (ClientData) DEF_LISTBOX_SELECT_FG_MONO, 0},
    {TK_OPTION_STRING, "-selectmode", "selectMode", "SelectMode",
	 DEF_LISTBOX_SELECT_MODE, -1, Tk_Offset(Listbox, selectMode),
	 TK_OPTION_NULL_OK, 0, 0},
    {TK_OPTION_BOOLEAN, "-setgrid", "setGrid", "SetGrid",
	 DEF_LISTBOX_SET_GRID, -1, Tk_Offset(Listbox, setGrid), 0, 0, 0},
    {TK_OPTION_STRING_TABLE, "-state", "state", "State",
	DEF_LISTBOX_STATE, -1, Tk_Offset(Listbox, state),
	0, (ClientData) stateStrings, 0},
    {TK_OPTION_STRING, "-takefocus", "takeFocus", "TakeFocus",
	 DEF_LISTBOX_TAKE_FOCUS, -1, Tk_Offset(Listbox, takeFocus),
	 TK_OPTION_NULL_OK, 0, 0},
    {TK_OPTION_INT, "-width", "width", "Width",
	 DEF_LISTBOX_WIDTH, -1, Tk_Offset(Listbox, width), 0, 0, 0},
    {TK_OPTION_STRING, "-xscrollcommand", "xScrollCommand", "ScrollCommand",
	 DEF_LISTBOX_SCROLL_COMMAND, -1, Tk_Offset(Listbox, xScrollCmd),
	 TK_OPTION_NULL_OK, 0, 0},
    {TK_OPTION_STRING, "-yscrollcommand", "yScrollCommand", "ScrollCommand",
	 DEF_LISTBOX_SCROLL_COMMAND, -1, Tk_Offset(Listbox, yScrollCmd),
	 TK_OPTION_NULL_OK, 0, 0},
    {TK_OPTION_STRING, "-listvariable", "listVariable", "Variable",
	 DEF_LISTBOX_LIST_VARIABLE, -1, Tk_Offset(Listbox, listVarName),
	 TK_OPTION_NULL_OK, 0, 0},
    {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0}
};

/*
 * The itemAttrOptionSpecs table defines the valid configuration options for
 * listbox items
 */

static const Tk_OptionSpec itemAttrOptionSpecs[] = {
    {TK_OPTION_BORDER, "-background", "background", "Background",
     NULL, -1, Tk_Offset(ItemAttr, border),
     TK_OPTION_NULL_OK|TK_OPTION_DONT_SET_DEFAULT,
     (ClientData) DEF_LISTBOX_BG_MONO, 0},
    {TK_OPTION_SYNONYM, "-bg", NULL, NULL,
     NULL, 0, -1, 0, (ClientData) "-background", 0},
    {TK_OPTION_SYNONYM, "-fg", "foreground", NULL,
     NULL, 0, -1, 0, (ClientData) "-foreground", 0},
    {TK_OPTION_COLOR, "-foreground", "foreground", "Foreground",
     NULL, -1, Tk_Offset(ItemAttr, fgColor),
     TK_OPTION_NULL_OK|TK_OPTION_DONT_SET_DEFAULT, 0, 0},
    {TK_OPTION_BORDER, "-selectbackground", "selectBackground", "Foreground",
     NULL, -1, Tk_Offset(ItemAttr, selBorder),
     TK_OPTION_NULL_OK|TK_OPTION_DONT_SET_DEFAULT,
     (ClientData) DEF_LISTBOX_SELECT_MONO, 0},
    {TK_OPTION_COLOR, "-selectforeground", "selectForeground", "Background",
     NULL, -1, Tk_Offset(ItemAttr, selFgColor),
     TK_OPTION_NULL_OK|TK_OPTION_DONT_SET_DEFAULT,
     (ClientData) DEF_LISTBOX_SELECT_FG_MONO, 0},
    {TK_OPTION_END, NULL, NULL, NULL, NULL, 0, -1, 0, 0, 0}
};

/*
 * The following tables define the listbox widget commands (and sub- commands)
 * and map the indexes into the string tables into enumerated types used to
 * dispatch the listbox widget command.
 */

static const char *commandNames[] = {
    "activate", "bbox", "cget", "configure", "curselection", "delete", "get",
    "index", "insert", "itemcget", "itemconfigure", "nearest", "scan",
    "see", "selection", "size", "xview", "yview", NULL
};
enum command {
    COMMAND_ACTIVATE, COMMAND_BBOX, COMMAND_CGET, COMMAND_CONFIGURE,
    COMMAND_CURSELECTION, COMMAND_DELETE, COMMAND_GET, COMMAND_INDEX,
    COMMAND_INSERT, COMMAND_ITEMCGET, COMMAND_ITEMCONFIGURE,
    COMMAND_NEAREST, COMMAND_SCAN, COMMAND_SEE, COMMAND_SELECTION,
    COMMAND_SIZE, COMMAND_XVIEW, COMMAND_YVIEW
};

static const char *selCommandNames[] = {
    "anchor", "clear", "includes", "set", NULL
};
enum selcommand {
    SELECTION_ANCHOR, SELECTION_CLEAR, SELECTION_INCLUDES, SELECTION_SET
};

static const char *scanCommandNames[] = {
    "mark", "dragto", NULL
};
enum scancommand {
    SCAN_MARK, SCAN_DRAGTO
};

static const char *indexNames[] = {
    "active", "anchor", "end", NULL
};
enum indices {
    INDEX_ACTIVE, INDEX_ANCHOR, INDEX_END
};

/*
 * Declarations for procedures defined later in this file.
 */

static void		ChangeListboxOffset(Listbox *listPtr, int offset);
static void		ChangeListboxView(Listbox *listPtr, int index);
static int		ConfigureListbox(Tcl_Interp *interp, Listbox *listPtr,
			    int objc, Tcl_Obj *const objv[], int flags);
static int		ConfigureListboxItem(Tcl_Interp *interp,
			    Listbox *listPtr, ItemAttr *attrs, int objc,
			    Tcl_Obj *const objv[], int index);
static int		ListboxDeleteSubCmd(Listbox *listPtr,
			    int first, int last);
static void		DestroyListbox(char *memPtr);
static void		DestroyListboxOptionTables(ClientData clientData,
			    Tcl_Interp *interp);
static void		DisplayListbox(ClientData clientData);
static int		GetListboxIndex(Tcl_Interp *interp, Listbox *listPtr,
			    Tcl_Obj *index, int endIsSize, int *indexPtr);
static int		ListboxInsertSubCmd(Listbox *listPtr,
			    int index, int objc, Tcl_Obj *const objv[]);
static void		ListboxCmdDeletedProc(ClientData clientData);
static void		ListboxComputeGeometry(Listbox *listPtr,
			    int fontChanged, int maxIsStale, int updateGrid);
static void		ListboxEventProc(ClientData clientData,
			    XEvent *eventPtr);
static int		ListboxFetchSelection(ClientData clientData,
			    int offset, char *buffer, int maxBytes);
static void		ListboxLostSelection(ClientData clientData);
static void		EventuallyRedrawRange(Listbox *listPtr,
			    int first, int last);
static void		ListboxScanTo(Listbox *listPtr, int x, int y);
static int		ListboxSelect(Listbox *listPtr,
			    int first, int last, int select);
static void		ListboxUpdateHScrollbar(Listbox *listPtr);
static void		ListboxUpdateVScrollbar(Listbox *listPtr);
static int		ListboxWidgetObjCmd(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const objv[]);
static int		ListboxBboxSubCmd(Tcl_Interp *interp,
			    Listbox *listPtr, int index);
static int		ListboxSelectionSubCmd(Tcl_Interp *interp,
			    Listbox *listPtr, int objc, Tcl_Obj *const objv[]);
static int		ListboxXviewSubCmd(Tcl_Interp *interp,
			    Listbox *listPtr, int objc, Tcl_Obj *const objv[]);
static int		ListboxYviewSubCmd(Tcl_Interp *interp,
			    Listbox *listPtr, int objc, Tcl_Obj *const objv[]);
static ItemAttr *	ListboxGetItemAttributes(Tcl_Interp *interp,
			    Listbox *listPtr, int index);
static void		ListboxWorldChanged(ClientData instanceData);
static int		NearestListboxElement(Listbox *listPtr, int y);
static char *		ListboxListVarProc(ClientData clientData,
			    Tcl_Interp *interp, const char *name1,
			    const char *name2, int flags);
static void		MigrateHashEntries(Tcl_HashTable *table,
			    int first, int last, int offset);

/*
 * The structure below defines button class behavior by means of procedures
 * that can be invoked from generic window code.
 */

static Tk_ClassProcs listboxClass = {
    sizeof(Tk_ClassProcs),	/* size */
    ListboxWorldChanged,	/* worldChangedProc */
    NULL,					/* createProc */
    NULL					/* modalProc */
};

/*
 *--------------------------------------------------------------
 *
 * Tk_ListboxObjCmd --
 *
 *	This procedure is invoked to process the "listbox" Tcl command. See
 *	the user documentation for details on what it does.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	See the user documentation.
 *
 *--------------------------------------------------------------
 */

int
Tk_ListboxObjCmd(
    ClientData clientData,	/* NULL. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    register Listbox *listPtr;
    Tk_Window tkwin;
    ListboxOptionTables *optionTables;

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "pathName ?options?");
	return TCL_ERROR;
    }

    tkwin = Tk_CreateWindowFromPath(interp, Tk_MainWindow(interp),
	    Tcl_GetString(objv[1]), NULL);
    if (tkwin == NULL) {
	return TCL_ERROR;
    }

    optionTables = (ListboxOptionTables *)
	Tcl_GetAssocData(interp, "ListboxOptionTables", NULL);
    if (optionTables == NULL) {
	/*
	 * We haven't created the option tables for this widget class yet. Do
	 * it now and save the a pointer to them as the ClientData for the
	 * command, so future invocations will have access to it.
	 */

	optionTables = (ListboxOptionTables *)
		ckalloc(sizeof(ListboxOptionTables));

	/*
	 * Set up an exit handler to free the optionTables struct.
	 */

	Tcl_SetAssocData(interp, "ListboxOptionTables",
		DestroyListboxOptionTables, (ClientData) optionTables);

	/*
	 * Create the listbox option table and the listbox item option table.
	 */

	optionTables->listboxOptionTable =
		Tk_CreateOptionTable(interp, optionSpecs);
	optionTables->itemAttrOptionTable =
		Tk_CreateOptionTable(interp, itemAttrOptionSpecs);
    }

    /*
     * Initialize the fields of the structure that won't be initialized by
     * ConfigureListbox, or that ConfigureListbox requires to be initialized
     * already (e.g. resource pointers).
     */

    listPtr			 = (Listbox *) ckalloc(sizeof(Listbox));
    memset(listPtr, 0, (sizeof(Listbox)));

    listPtr->tkwin		 = tkwin;
    listPtr->display		 = Tk_Display(tkwin);
    listPtr->interp		 = interp;
    listPtr->widgetCmd		 = Tcl_CreateObjCommand(interp,
	    Tk_PathName(listPtr->tkwin), ListboxWidgetObjCmd,
	    (ClientData) listPtr, ListboxCmdDeletedProc);
    listPtr->optionTable	 = optionTables->listboxOptionTable;
    listPtr->itemAttrOptionTable = optionTables->itemAttrOptionTable;
    listPtr->selection		 = (Tcl_HashTable *)
	    ckalloc(sizeof(Tcl_HashTable));
    Tcl_InitHashTable(listPtr->selection, TCL_ONE_WORD_KEYS);
    listPtr->itemAttrTable	 = (Tcl_HashTable *)
	    ckalloc(sizeof(Tcl_HashTable));
    Tcl_InitHashTable(listPtr->itemAttrTable, TCL_ONE_WORD_KEYS);
    listPtr->relief		 = TK_RELIEF_RAISED;
    listPtr->textGC		 = None;
    listPtr->selFgColorPtr	 = None;
    listPtr->selTextGC		 = None;
    listPtr->fullLines		 = 1;
    listPtr->xScrollUnit	 = 1;
    listPtr->exportSelection	 = 1;
    listPtr->cursor		 = None;
    listPtr->state		 = STATE_NORMAL;
    listPtr->gray		 = None;

    /*
     * Keep a hold of the associated tkwin until we destroy the listbox,
     * otherwise Tk might free it while we still need it.
     */

    Tcl_Preserve((ClientData) listPtr->tkwin);

    Tk_SetClass(listPtr->tkwin, "Listbox");
    Tk_SetClassProcs(listPtr->tkwin, &listboxClass, (ClientData) listPtr);
    Tk_CreateEventHandler(listPtr->tkwin,
	    ExposureMask|StructureNotifyMask|FocusChangeMask,
	    ListboxEventProc, (ClientData) listPtr);
    Tk_CreateSelHandler(listPtr->tkwin, XA_PRIMARY, XA_STRING,
	    ListboxFetchSelection, (ClientData) listPtr, XA_STRING);
    if (Tk_InitOptions(interp, (char *)listPtr,
	    optionTables->listboxOptionTable, tkwin) != TCL_OK) {
	Tk_DestroyWindow(listPtr->tkwin);
	return TCL_ERROR;
    }

    if (ConfigureListbox(interp, listPtr, objc-2, objv+2, 0) != TCL_OK) {
	Tk_DestroyWindow(listPtr->tkwin);
	return TCL_ERROR;
    }

    Tcl_SetResult(interp, Tk_PathName(listPtr->tkwin), TCL_STATIC);
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxWidgetObjCmd --
 *
 *	This Tcl_Obj based procedure is invoked to process the Tcl command
 *	that corresponds to a widget managed by this module. See the user
 *	documentation for details on what it does.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	See the user documentation.
 *
 *----------------------------------------------------------------------
 */

static int
ListboxWidgetObjCmd(
    ClientData clientData,	/* Information about listbox widget. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Arguments as Tcl_Obj's. */
{
    register Listbox *listPtr = (Listbox *) clientData;
    int cmdIndex, index;
    int result = TCL_OK;

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "option ?arg arg ...?");
	return TCL_ERROR;
    }

    /*
     * Parse the command by looking up the second argument in the list of
     * valid subcommand names
     */

    result = Tcl_GetIndexFromObj(interp, objv[1], commandNames,
	    "option", 0, &cmdIndex);
    if (result != TCL_OK) {
	return result;
    }

    Tcl_Preserve((ClientData)listPtr);

    /*
     * The subcommand was valid, so continue processing.
     */

    switch (cmdIndex) {
    case COMMAND_ACTIVATE:
	if (objc != 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "index");
	    result = TCL_ERROR;
	    break;
	}
	result = GetListboxIndex(interp, listPtr, objv[2], 0, &index);
	if (result != TCL_OK) {
	    break;
	}

	if (!(listPtr->state & STATE_NORMAL)) {
	    break;
	}

	if (index >= listPtr->nElements) {
	    index = listPtr->nElements-1;
	}
	if (index < 0) {
	    index = 0;
	}
	listPtr->active = index;
	EventuallyRedrawRange(listPtr, listPtr->active, listPtr->active);
	result = TCL_OK;
	break;

    case COMMAND_BBOX:
	if (objc != 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "index");
	    result = TCL_ERROR;
	    break;
	}
	result = GetListboxIndex(interp, listPtr, objv[2], 0, &index);
	if (result != TCL_OK) {
	    break;
	}

	result = ListboxBboxSubCmd(interp, listPtr, index);
	break;

    case COMMAND_CGET: {
	Tcl_Obj *objPtr;

	if (objc != 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "option");
	    result = TCL_ERROR;
	    break;
	}

	objPtr = Tk_GetOptionValue(interp, (char *) listPtr,
		listPtr->optionTable, objv[2], listPtr->tkwin);
	if (objPtr == NULL) {
	    result = TCL_ERROR;
	    break;
	}
	Tcl_SetObjResult(interp, objPtr);
	result = TCL_OK;
	break;
    }

    case COMMAND_CONFIGURE: {
	Tcl_Obj *objPtr;

	if (objc <= 3) {
	    objPtr = Tk_GetOptionInfo(interp, (char *) listPtr,
		    listPtr->optionTable,
		    (objc == 3) ? objv[2] : NULL, listPtr->tkwin);
	    if (objPtr == NULL) {
		result = TCL_ERROR;
		break;
	    } else {
		Tcl_SetObjResult(interp, objPtr);
		result = TCL_OK;
	    }
	} else {
	    result = ConfigureListbox(interp, listPtr, objc-2, objv+2, 0);
	}
	break;
    }

    case COMMAND_CURSELECTION: {
	char indexStringRep[TCL_INTEGER_SPACE];
	int i;

	if (objc != 2) {
	    Tcl_WrongNumArgs(interp, 2, objv, NULL);
	    result = TCL_ERROR;
	    break;
	}

	/*
	 * Of course, it would be more efficient to use the Tcl_HashTable
	 * search functions (Tcl_FirstHashEntry, Tcl_NextHashEntry), but then
	 * the result wouldn't be in sorted order. So instead we loop through
	 * the indices in order, adding them to the result if they are
	 * selected.
	 */

	for (i = 0; i < listPtr->nElements; i++) {
	    if (Tcl_FindHashEntry(listPtr->selection, (char *) INT2PTR(i))) {
		sprintf(indexStringRep, "%d", i);
		Tcl_AppendElement(interp, indexStringRep);
	    }
	}
	result = TCL_OK;
	break;
    }

    case COMMAND_DELETE: {
	int first, last;

	if ((objc < 3) || (objc > 4)) {
	    Tcl_WrongNumArgs(interp, 2, objv, "firstIndex ?lastIndex?");
	    result = TCL_ERROR;
	    break;
	}

	result = GetListboxIndex(interp, listPtr, objv[2], 0, &first);
	if (result != TCL_OK) {
	    break;
	}

	if (!(listPtr->state & STATE_NORMAL)) {
	    break;
	}

	if (first < listPtr->nElements) {
	    /*
	     * if a "last index" was given, get it now; otherwise, use the
	     * first index as the last index.
	     */

	    if (objc == 4) {
		result = GetListboxIndex(interp, listPtr, objv[3], 0, &last);
		if (result != TCL_OK) {
		    break;
		}
	    } else {
		last = first;
	    }
	    if (last >= listPtr->nElements) {
		last = listPtr->nElements - 1;
	    }
	    result = ListboxDeleteSubCmd(listPtr, first, last);
	} else {
	    result = TCL_OK;
	}
	break;
    }

    case COMMAND_GET: {
	int first, last, listLen;
	Tcl_Obj **elemPtrs;

	if (objc != 3 && objc != 4) {
	    Tcl_WrongNumArgs(interp, 2, objv, "firstIndex ?lastIndex?");
	    result = TCL_ERROR;
	    break;
	}
	result = GetListboxIndex(interp, listPtr, objv[2], 0, &first);
	if (result != TCL_OK) {
	    break;
	}
	last = first;
	if (objc == 4) {
	    result = GetListboxIndex(interp, listPtr, objv[3], 0, &last);
	    if (result != TCL_OK) {
		break;
	    }
	}
	if (first >= listPtr->nElements) {
	    result = TCL_OK;
	    break;
	}
	if (last >= listPtr->nElements) {
	    last = listPtr->nElements - 1;
	}
	if (first < 0) {
	    first = 0;
	}
	if (first > last) {
	    result = TCL_OK;
	    break;
	}
	result = Tcl_ListObjGetElements(interp, listPtr->listObj, &listLen,
		&elemPtrs);
	if (result != TCL_OK) {
	    break;
	}
	if (objc == 3) {
	    /*
	     * One element request - we return a string
	     */

	    Tcl_SetObjResult(interp, elemPtrs[first]);
	} else {
	    Tcl_SetListObj(Tcl_GetObjResult(interp), (last - first + 1),
		    &(elemPtrs[first]));
	}
	result = TCL_OK;
	break;
    }

    case COMMAND_INDEX:
	if (objc != 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "index");
	    result = TCL_ERROR;
	    break;
	}
	result = GetListboxIndex(interp, listPtr, objv[2], 1, &index);
	if (result != TCL_OK) {
	    break;
	}
	Tcl_SetObjResult(interp, Tcl_NewIntObj(index));
	result = TCL_OK;
	break;

    case COMMAND_INSERT:
	if (objc < 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "index ?element element ...?");
	    result = TCL_ERROR;
	    break;
	}

	result = GetListboxIndex(interp, listPtr, objv[2], 1, &index);
	if (result != TCL_OK) {
	    break;
	}

	if (!(listPtr->state & STATE_NORMAL)) {
	    break;
	}

	result = ListboxInsertSubCmd(listPtr, index, objc-3, objv+3);
	break;

    case COMMAND_ITEMCGET: {
	Tcl_Obj *objPtr;
	ItemAttr *attrPtr;

	if (objc != 4) {
	    Tcl_WrongNumArgs(interp, 2, objv, "index option");
	    result = TCL_ERROR;
	    break;
	}

	result = GetListboxIndex(interp, listPtr, objv[2], 0, &index);
	if (result != TCL_OK) {
	    break;
	}

	if (index < 0 || index >= listPtr->nElements) {
	    Tcl_AppendResult(interp, "item number \"",
		    Tcl_GetString(objv[2]), "\" out of range", NULL);
	    result = TCL_ERROR;
	    break;
	}

	attrPtr = ListboxGetItemAttributes(interp, listPtr, index);

	objPtr = Tk_GetOptionValue(interp, (char *) attrPtr,
		listPtr->itemAttrOptionTable, objv[3], listPtr->tkwin);
	if (objPtr == NULL) {
	    result = TCL_ERROR;
	    break;
	}
	Tcl_SetObjResult(interp, objPtr);
	result = TCL_OK;
	break;
    }

    case COMMAND_ITEMCONFIGURE: {
	Tcl_Obj *objPtr;
	ItemAttr *attrPtr;

	if (objc < 3) {
	    Tcl_WrongNumArgs(interp, 2, objv,
		    "index ?option? ?value? ?option value ...?");
	    result = TCL_ERROR;
	    break;
	}

	result = GetListboxIndex(interp, listPtr, objv[2], 0, &index);
	if (result != TCL_OK) {
	    break;
	}

	if (index < 0 || index >= listPtr->nElements) {
	    Tcl_AppendResult(interp, "item number \"", Tcl_GetString(objv[2]),
		    "\" out of range", NULL);
	    result = TCL_ERROR;
	    break;
	}

	attrPtr = ListboxGetItemAttributes(interp, listPtr, index);
	if (objc <= 4) {
	    objPtr = Tk_GetOptionInfo(interp, (char *) attrPtr,
		    listPtr->itemAttrOptionTable,
		    (objc == 4) ? objv[3] : NULL, listPtr->tkwin);
	    if (objPtr == NULL) {
		result = TCL_ERROR;
		break;
	    } else {
		Tcl_SetObjResult(interp, objPtr);
		result = TCL_OK;
	    }
	} else {
	    result = ConfigureListboxItem(interp, listPtr, attrPtr,
		    objc-3, objv+3, index);
	}
	break;
    }

    case COMMAND_NEAREST: {
	int y;

	if (objc != 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "y");
	    result = TCL_ERROR;
	    break;
	}

	result = Tcl_GetIntFromObj(interp, objv[2], &y);
	if (result != TCL_OK) {
	    break;
	}
	index = NearestListboxElement(listPtr, y);
	Tcl_SetObjResult(interp, Tcl_NewIntObj(index));
	result = TCL_OK;
	break;
    }

    case COMMAND_SCAN: {
	int x, y, scanCmdIndex;

	if (objc != 5) {
	    Tcl_WrongNumArgs(interp, 2, objv, "mark|dragto x y");
	    result = TCL_ERROR;
	    break;
	}

	if (Tcl_GetIntFromObj(interp, objv[3], &x) != TCL_OK
		|| Tcl_GetIntFromObj(interp, objv[4], &y) != TCL_OK) {
	    result = TCL_ERROR;
	    break;
	}

	result = Tcl_GetIndexFromObj(interp, objv[2], scanCommandNames,
		"option", 0, &scanCmdIndex);
	if (result != TCL_OK) {
	    break;
	}
	switch (scanCmdIndex) {
	case SCAN_MARK:
	    listPtr->scanMarkX = x;
	    listPtr->scanMarkY = y;
	    listPtr->scanMarkXOffset = listPtr->xOffset;
	    listPtr->scanMarkYIndex = listPtr->topIndex;
	    break;
	case SCAN_DRAGTO:
	    ListboxScanTo(listPtr, x, y);
	    break;
	}
	result = TCL_OK;
	break;
    }

    case COMMAND_SEE: {
	int diff;

	if (objc != 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "index");
	    result = TCL_ERROR;
	    break;
	}
	result = GetListboxIndex(interp, listPtr, objv[2], 0, &index);
	if (result != TCL_OK) {
	    break;
	}
	if (index >= listPtr->nElements) {
	    index = listPtr->nElements - 1;
	}
	if (index < 0) {
	    index = 0;
	}
	diff = listPtr->topIndex - index;
	if (diff > 0) {
	    if (diff <= (listPtr->fullLines/3)) {
		ChangeListboxView(listPtr, index);
	    } else {
		ChangeListboxView(listPtr, index - (listPtr->fullLines-1)/2);
	    }
	} else {
	    diff = index - (listPtr->topIndex + listPtr->fullLines - 1);
	    if (diff > 0) {
		if (diff <= (listPtr->fullLines/3)) {
		    ChangeListboxView(listPtr, listPtr->topIndex + diff);
		} else {
		    ChangeListboxView(listPtr, index-(listPtr->fullLines-1)/2);
		}
	    }
	}
	result = TCL_OK;
	break;
    }

    case COMMAND_SELECTION:
	result = ListboxSelectionSubCmd(interp, listPtr, objc, objv);
	break;
    case COMMAND_SIZE:
	if (objc != 2) {
	    Tcl_WrongNumArgs(interp, 2, objv, NULL);
	    result = TCL_ERROR;
	    break;
	}
	Tcl_SetObjResult(interp, Tcl_NewIntObj(listPtr->nElements));
	result = TCL_OK;
	break;
    case COMMAND_XVIEW:
	result = ListboxXviewSubCmd(interp, listPtr, objc, objv);
	break;
    case COMMAND_YVIEW:
	result = ListboxYviewSubCmd(interp, listPtr, objc, objv);
	break;
    }
    Tcl_Release((ClientData)listPtr);
    return result;
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxBboxSubCmd --
 *
 *	This procedure is invoked to process a listbox bbox request. See the
 *	user documentation for more information.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	For valid indices, places the bbox of the requested element in the
 *	interpreter's result.
 *
 *----------------------------------------------------------------------
 */

static int
ListboxBboxSubCmd(
    Tcl_Interp *interp,		/* Pointer to the calling Tcl interpreter */
    Listbox *listPtr,		/* Information about the listbox */
    int index)			/* Index of the element to get bbox info on */
{
    int lastVisibleIndex;

    /*
     * Determine the index of the last visible item in the listbox.
     */

    lastVisibleIndex = listPtr->topIndex + listPtr->fullLines
	    + listPtr->partialLine;
    if (listPtr->nElements < lastVisibleIndex) {
	lastVisibleIndex = listPtr->nElements;
    }

    /*
     * Only allow bbox requests for indices that are visible.
     */

    if ((listPtr->topIndex <= index) && (index < lastVisibleIndex)) {
	char buf[TCL_INTEGER_SPACE * 4];
	Tcl_Obj *el;
	char *stringRep;
	int pixelWidth, stringLen, x, y, result;
	Tk_FontMetrics fm;

	/*
	 * Compute the pixel width of the requested element.
	 */

	result = Tcl_ListObjIndex(interp, listPtr->listObj, index, &el);
	if (result != TCL_OK) {
	    return result;
	}

	stringRep = Tcl_GetStringFromObj(el, &stringLen);
	Tk_GetFontMetrics(listPtr->tkfont, &fm);
	pixelWidth = Tk_TextWidth(listPtr->tkfont, stringRep, stringLen);

	x = listPtr->inset + listPtr->selBorderWidth - listPtr->xOffset;
	y = ((index - listPtr->topIndex)*listPtr->lineHeight)
		+ listPtr->inset + listPtr->selBorderWidth;
	sprintf(buf, "%d %d %d %d", x, y, pixelWidth, fm.linespace);
	Tcl_SetResult(interp, buf, TCL_VOLATILE);
    }
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxSelectionSubCmd --
 *
 *	This procedure is invoked to process the selection sub command for
 *	listbox widgets.
 *
 * Results:
 *	Standard Tcl result.
 *
 * Side effects:
 *	May set the interpreter's result field.
 *
 *----------------------------------------------------------------------
 */

static int
ListboxSelectionSubCmd(
    Tcl_Interp *interp,		/* Pointer to the calling Tcl interpreter */
    Listbox *listPtr,		/* Information about the listbox */
    int objc,			/* Number of arguments in the objv array */
    Tcl_Obj *const objv[])	/* Array of arguments to the procedure */
{
    int selCmdIndex, first, last;
    int result = TCL_OK;

    if (objc != 4 && objc != 5) {
	Tcl_WrongNumArgs(interp, 2, objv, "option index ?index?");
	return TCL_ERROR;
    }
    result = GetListboxIndex(interp, listPtr, objv[3], 0, &first);
    if (result != TCL_OK) {
	return result;
    }
    last = first;
    if (objc == 5) {
	result = GetListboxIndex(interp, listPtr, objv[4], 0, &last);
	if (result != TCL_OK) {
	    return result;
	}
    }
    result = Tcl_GetIndexFromObj(interp, objv[2], selCommandNames,
	    "option", 0, &selCmdIndex);
    if (result != TCL_OK) {
	return result;
    }

    /*
     * Only allow 'selection includes' to respond if disabled. [Bug #632514]
     */

    if ((listPtr->state == STATE_DISABLED)
	    && (selCmdIndex != SELECTION_INCLUDES)) {
	return TCL_OK;
    }

    switch (selCmdIndex) {
    case SELECTION_ANCHOR:
	if (objc != 4) {
	    Tcl_WrongNumArgs(interp, 3, objv, "index");
	    return TCL_ERROR;
	}
	if (first >= listPtr->nElements) {
	    first = listPtr->nElements - 1;
	}
	if (first < 0) {
	    first = 0;
	}
	listPtr->selectAnchor = first;
	result = TCL_OK;
	break;
    case SELECTION_CLEAR:
	result = ListboxSelect(listPtr, first, last, 0);
	break;
    case SELECTION_INCLUDES:
	if (objc != 4) {
	    Tcl_WrongNumArgs(interp, 3, objv, "index");
	    return TCL_ERROR;
	}
	Tcl_SetObjResult(interp,
		Tcl_NewBooleanObj((Tcl_FindHashEntry(listPtr->selection,
			(char *) INT2PTR(first)) != NULL)));
	result = TCL_OK;
	break;
    case SELECTION_SET:
	result = ListboxSelect(listPtr, first, last, 1);
	break;
    }
    return result;
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxXviewSubCmd --
 *
 *	Process the listbox "xview" subcommand.
 *
 * Results:
 *	Standard Tcl result.
 *
 * Side effects:
 *	May change the listbox viewing area; may set the interpreter's result.
 *
 *----------------------------------------------------------------------
 */

static int
ListboxXviewSubCmd(
    Tcl_Interp *interp,		/* Pointer to the calling Tcl interpreter */
    Listbox *listPtr,		/* Information about the listbox */
    int objc,			/* Number of arguments in the objv array */
    Tcl_Obj *const objv[])	/* Array of arguments to the procedure */
{

    int index, count, type, windowWidth, windowUnits;
    int offset = 0;		/* Initialized to stop gcc warnings. */
    double fraction, fraction2;

    windowWidth = Tk_Width(listPtr->tkwin)
	    - 2*(listPtr->inset + listPtr->selBorderWidth);
    if (objc == 2) {
	if (listPtr->maxWidth == 0) {
	    Tcl_SetResult(interp, "0.0 1.0", TCL_STATIC);
	} else {
	    char buf[TCL_DOUBLE_SPACE];

	    fraction = listPtr->xOffset/((double) listPtr->maxWidth);
	    fraction2 = (listPtr->xOffset + windowWidth)
		    / ((double) listPtr->maxWidth);
	    if (fraction2 > 1.0) {
		fraction2 = 1.0;
	    }
	    Tcl_PrintDouble(NULL, fraction, buf);
	    Tcl_SetResult(interp, buf, TCL_VOLATILE);
	    Tcl_PrintDouble(NULL, fraction2, buf);
	    Tcl_AppendResult(interp, " ", buf, NULL);
	}
    } else if (objc == 3) {
	if (Tcl_GetIntFromObj(interp, objv[2], &index) != TCL_OK) {
	    return TCL_ERROR;
	}
	ChangeListboxOffset(listPtr, index*listPtr->xScrollUnit);
    } else {
	type = Tk_GetScrollInfoObj(interp, objc, objv, &fraction, &count);
	switch (type) {
	case TK_SCROLL_ERROR:
	    return TCL_ERROR;
	case TK_SCROLL_MOVETO:
	    offset = (int) (fraction*listPtr->maxWidth + 0.5);
	    break;
	case TK_SCROLL_PAGES:
	    windowUnits = windowWidth/listPtr->xScrollUnit;
	    if (windowUnits > 2) {
		offset = listPtr->xOffset
			+ count*listPtr->xScrollUnit*(windowUnits-2);
	    } else {
		offset = listPtr->xOffset + count*listPtr->xScrollUnit;
	    }
	    break;
	case TK_SCROLL_UNITS:
	    offset = listPtr->xOffset + count*listPtr->xScrollUnit;
	    break;
	}
	ChangeListboxOffset(listPtr, offset);
    }
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxYviewSubCmd --
 *
 *	Process the listbox "yview" subcommand.
 *
 * Results:
 *	Standard Tcl result.
 *
 * Side effects:
 *	May change the listbox viewing area; may set the interpreter's result.
 *
 *----------------------------------------------------------------------
 */

static int
ListboxYviewSubCmd(
    Tcl_Interp *interp,		/* Pointer to the calling Tcl interpreter */
    Listbox *listPtr,		/* Information about the listbox */
    int objc,			/* Number of arguments in the objv array */
    Tcl_Obj *const objv[])	/* Array of arguments to the procedure */
{
    int index, count, type;
    double fraction, fraction2;

    if (objc == 2) {
	if (listPtr->nElements == 0) {
	    Tcl_SetResult(interp, "0.0 1.0", TCL_STATIC);
	} else {
	    char buf[TCL_DOUBLE_SPACE];

	    fraction = listPtr->topIndex/((double) listPtr->nElements);
	    fraction2 = (listPtr->topIndex+listPtr->fullLines)
		    /((double) listPtr->nElements);
	    if (fraction2 > 1.0) {
		fraction2 = 1.0;
	    }
	    Tcl_PrintDouble(NULL, fraction, buf);
	    Tcl_SetResult(interp, buf, TCL_VOLATILE);
	    Tcl_PrintDouble(NULL, fraction2, buf);
	    Tcl_AppendResult(interp, " ", buf, NULL);
	}
    } else if (objc == 3) {
	if (GetListboxIndex(interp, listPtr, objv[2], 0, &index) != TCL_OK) {
	    return TCL_ERROR;
	}
	ChangeListboxView(listPtr, index);
    } else {
	type = Tk_GetScrollInfoObj(interp, objc, objv, &fraction, &count);
	switch (type) {
	case TK_SCROLL_MOVETO:
	    index = (int) (listPtr->nElements*fraction + 0.5);
	    break;
	case TK_SCROLL_PAGES:
	    if (listPtr->fullLines > 2) {
		index = listPtr->topIndex + count*(listPtr->fullLines-2);
	    } else {
		index = listPtr->topIndex + count;
	    }
	    break;
	case TK_SCROLL_UNITS:
	    index = listPtr->topIndex + count;
	    break;
	case TK_SCROLL_ERROR:
	default:
	    return TCL_ERROR;
	}
	ChangeListboxView(listPtr, index);
    }
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxGetItemAttributes --
 *
 *	Returns a pointer to the ItemAttr record for a given index, creating
 *	one if it does not already exist.
 *
 * Results:
 *	Pointer to an ItemAttr record.
 *
 * Side effects:
 *	Memory may be allocated for the ItemAttr record.
 *
 *----------------------------------------------------------------------
 */

static ItemAttr *
ListboxGetItemAttributes(
    Tcl_Interp *interp,		/* Pointer to the calling Tcl interpreter */
    Listbox *listPtr,		/* Information about the listbox */
    int index)			/* Index of the item to retrieve attributes
				 * for. */
{
    int isNew;
    Tcl_HashEntry *entry;
    ItemAttr *attrs;

    entry = Tcl_CreateHashEntry(listPtr->itemAttrTable,
	    (char *) INT2PTR(index), &isNew);
    if (isNew) {
	attrs = (ItemAttr *) ckalloc(sizeof(ItemAttr));
	attrs->border = NULL;
	attrs->selBorder = NULL;
	attrs->fgColor = NULL;
	attrs->selFgColor = NULL;
	Tk_InitOptions(interp, (char *)attrs, listPtr->itemAttrOptionTable,
		listPtr->tkwin);
	Tcl_SetHashValue(entry, (ClientData) attrs);
    }
    attrs = (ItemAttr *)Tcl_GetHashValue(entry);
    return attrs;
}

/*
 *----------------------------------------------------------------------
 *
 * DestroyListbox --
 *
 *	This procedure is invoked by Tcl_EventuallyFree or Tcl_Release to
 *	clean up the internal structure of a listbox at a safe time (when
 *	no-one is using it anymore).
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Everything associated with the listbox is freed up.
 *
 *----------------------------------------------------------------------
 */

static void
DestroyListbox(
    char *memPtr)		/* Info about listbox widget. */
{
    register Listbox *listPtr = (Listbox *) memPtr;
    Tcl_HashEntry *entry;
    Tcl_HashSearch search;

    /*
     * If we have an internal list object, free it.
     */

    if (listPtr->listObj != NULL) {
	Tcl_DecrRefCount(listPtr->listObj);
	listPtr->listObj = NULL;
    }

    if (listPtr->listVarName != NULL) {
	Tcl_UntraceVar(listPtr->interp, listPtr->listVarName,
		TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
		ListboxListVarProc, (ClientData) listPtr);
    }

    /*
     * Free the selection hash table.
     */

    Tcl_DeleteHashTable(listPtr->selection);
    ckfree((char *)listPtr->selection);

    /*
     * Free the item attribute hash table.
     */

    for (entry = Tcl_FirstHashEntry(listPtr->itemAttrTable, &search);
	    entry != NULL; entry = Tcl_NextHashEntry(&search)) {
	ckfree((char *)Tcl_GetHashValue(entry));
    }
    Tcl_DeleteHashTable(listPtr->itemAttrTable);
    ckfree((char *)listPtr->itemAttrTable);

    /*
     * Free up all the stuff that requires special handling, then let
     * Tk_FreeOptions handle all the standard option-related stuff.
     */

    if (listPtr->textGC != None) {
	Tk_FreeGC(listPtr->display, listPtr->textGC);
    }
    if (listPtr->selTextGC != None) {
	Tk_FreeGC(listPtr->display, listPtr->selTextGC);
    }
    if (listPtr->gray != None) {
	Tk_FreeBitmap(Tk_Display(listPtr->tkwin), listPtr->gray);
    }

    Tk_FreeConfigOptions((char *)listPtr, listPtr->optionTable,
	    listPtr->tkwin);
    Tcl_Release((ClientData) listPtr->tkwin);
    listPtr->tkwin = NULL;
    ckfree((char *) listPtr);
}

/*
 *----------------------------------------------------------------------
 *
 * DestroyListboxOptionTables --
 *
 *	This procedure is registered as an exit callback when the listbox
 *	command is first called. It cleans up the OptionTables structure
 *	allocated by that command.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Frees memory.
 *
 *----------------------------------------------------------------------
 */

static void
DestroyListboxOptionTables(
    ClientData clientData,	/* Pointer to the OptionTables struct */
    Tcl_Interp *interp)		/* Pointer to the calling interp */
{
    ckfree((char *) clientData);
    return;
}

/*
 *----------------------------------------------------------------------
 *
 * ConfigureListbox --
 *
 *	This procedure is called to process an objv/objc list, plus the Tk
 *	option database, in order to configure (or reconfigure) a listbox
 *	widget.
 *
 * Results:
 *	The return value is a standard Tcl result. If TCL_ERROR is returned,
 *	then the interp's result contains an error message.
 *
 * Side effects:
 *	Configuration information, such as colors, border width, etc. get set
 *	for listPtr; old resources get freed, if there were any.
 *
 *----------------------------------------------------------------------
 */

static int
ConfigureListbox(
    Tcl_Interp *interp,		/* Used for error reporting. */
    register Listbox *listPtr,	/* Information about widget; may or may not
				 * already have values for some fields. */
    int objc,			/* Number of valid entries in argv. */
    Tcl_Obj *const objv[],	/* Arguments. */
    int flags)			/* Flags to pass to Tk_ConfigureWidget. */
{
    Tk_SavedOptions savedOptions;
    Tcl_Obj *oldListObj = NULL;
    Tcl_Obj *errorResult = NULL;
    int oldExport, error;

    oldExport = listPtr->exportSelection;
    if (listPtr->listVarName != NULL) {
	Tcl_UntraceVar(interp, listPtr->listVarName,
		TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
		ListboxListVarProc, (ClientData) listPtr);
    }

    for (error = 0; error <= 1; error++) {
	if (!error) {
	    /*
	     * First pass: set options to new values.
	     */

	    if (Tk_SetOptions(interp, (char *) listPtr,
		    listPtr->optionTable, objc, objv,
		    listPtr->tkwin, &savedOptions, NULL) != TCL_OK) {
		continue;
	    }
	} else {
	    /*
	     * Second pass: restore options to old values.
	     */

	    errorResult = Tcl_GetObjResult(interp);
	    Tcl_IncrRefCount(errorResult);
	    Tk_RestoreSavedOptions(&savedOptions);
	}

	/*
	 * A few options need special processing, such as setting the
	 * background from a 3-D border.
	 */

	Tk_SetBackgroundFromBorder(listPtr->tkwin, listPtr->normalBorder);

	if (listPtr->highlightWidth < 0) {
	    listPtr->highlightWidth = 0;
	}
	listPtr->inset = listPtr->highlightWidth + listPtr->borderWidth;

	/*
	 * Claim the selection if we've suddenly started exporting it and
	 * there is a selection to export.
	 */

	if (listPtr->exportSelection && !oldExport
		&& (listPtr->numSelected != 0)) {
	    Tk_OwnSelection(listPtr->tkwin, XA_PRIMARY, ListboxLostSelection,
		    (ClientData) listPtr);
	}

	/*
	 * Verify the current status of the list var.
	 * PREVIOUS STATE | NEW STATE  | ACTION
	 * ---------------+------------+----------------------------------
	 * no listvar     | listvar    | If listvar does not exist, create it
	 *				 and copy the internal list obj's
	 *				 content to the new var. If it does
	 *				 exist, toss the internal list obj.
	 *
	 * listvar	  | no listvar | Copy old listvar content to the
	 *				 internal list obj
	 *
	 * listvar	  | listvar    | no special action
	 *
	 * no listvar     | no listvar | no special action
	 */

	oldListObj = listPtr->listObj;
	if (listPtr->listVarName != NULL) {
	    Tcl_Obj *listVarObj = Tcl_GetVar2Ex(interp, listPtr->listVarName,
		    NULL, TCL_GLOBAL_ONLY);
	    int dummy;

	    if (listVarObj == NULL) {
		listVarObj = (oldListObj ? oldListObj : Tcl_NewObj());
		if (Tcl_SetVar2Ex(interp, listPtr->listVarName, NULL,
			listVarObj, TCL_GLOBAL_ONLY|TCL_LEAVE_ERR_MSG)
			== NULL) {
		    if (oldListObj == NULL) {
			Tcl_DecrRefCount(listVarObj);
		    }
		    continue;
		}
	    }

	    /*
	     * Make sure the object is a good list object.
	     */

	    if (Tcl_ListObjLength(listPtr->interp, listVarObj, &dummy)
		    != TCL_OK) {
		Tcl_AppendResult(listPtr->interp,
			": invalid -listvariable value", NULL);
		continue;
	    }

	    listPtr->listObj = listVarObj;
	    Tcl_TraceVar(listPtr->interp, listPtr->listVarName,
		    TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
		    ListboxListVarProc, (ClientData) listPtr);
	} else if (listPtr->listObj == NULL) {
	    listPtr->listObj = Tcl_NewObj();
	}
	Tcl_IncrRefCount(listPtr->listObj);
	if (oldListObj != NULL) {
	    Tcl_DecrRefCount(oldListObj);
	}
	break;
    }
    if (!error) {
	Tk_FreeSavedOptions(&savedOptions);
    }

    /*
     * Make sure that the list length is correct.
     */

    Tcl_ListObjLength(listPtr->interp, listPtr->listObj, &listPtr->nElements);

    if (error) {
	Tcl_SetObjResult(interp, errorResult);
	Tcl_DecrRefCount(errorResult);
	return TCL_ERROR;
    } else {
	ListboxWorldChanged((ClientData) listPtr);
	return TCL_OK;
    }
}

/*
 *----------------------------------------------------------------------
 *
 * ConfigureListboxItem --
 *
 *	This procedure is called to process an objv/objc list, plus the Tk
 *	option database, in order to configure (or reconfigure) a listbox
 *	item.
 *
 * Results:
 *	The return value is a standard Tcl result. If TCL_ERROR is returned,
 *	then the interp's result contains an error message.
 *
 * Side effects:
 *	Configuration information, such as colors, border width, etc. get set
 *	for a listbox item; old resources get freed, if there were any.
 *
 *----------------------------------------------------------------------
 */

static int
ConfigureListboxItem(
    Tcl_Interp *interp,		/* Used for error reporting. */
    register Listbox *listPtr,	/* Information about widget; may or may not
				 * already have values for some fields. */
    ItemAttr *attrs,		/* Information about the item to configure */
    int objc,			/* Number of valid entries in argv. */
    Tcl_Obj *const objv[],	/* Arguments. */
    int index)			/* Index of the listbox item being configure */
{
    Tk_SavedOptions savedOptions;

    if (Tk_SetOptions(interp, (char *)attrs,
	    listPtr->itemAttrOptionTable, objc, objv, listPtr->tkwin,
	    &savedOptions, NULL) != TCL_OK) {
	Tk_RestoreSavedOptions(&savedOptions);
	return TCL_ERROR;
    }
    Tk_FreeSavedOptions(&savedOptions);

    /*
     * Redraw this index - ListboxWorldChanged would need to be called if item
     * attributes were checked in the "world".
     */

    EventuallyRedrawRange(listPtr, index, index);
    return TCL_OK;
}

/*
 *---------------------------------------------------------------------------
 *
 * ListboxWorldChanged --
 *
 *	This procedure is called when the world has changed in some way and
 *	the widget needs to recompute all its graphics contexts and determine
 *	its new geometry.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Listbox will be relayed out and redisplayed.
 *
 *---------------------------------------------------------------------------
 */

static void
ListboxWorldChanged(
    ClientData instanceData)	/* Information about widget. */
{
    XGCValues gcValues;
    GC gc;
    unsigned long mask;
    Listbox *listPtr = (Listbox *) instanceData;

    if (listPtr->state & STATE_NORMAL) {
	gcValues.foreground = listPtr->fgColorPtr->pixel;
	gcValues.graphics_exposures = False;
	mask = GCForeground | GCFont | GCGraphicsExposures;
    } else if (listPtr->dfgColorPtr != NULL) {
	gcValues.foreground = listPtr->dfgColorPtr->pixel;
	gcValues.graphics_exposures = False;
	mask = GCForeground | GCFont | GCGraphicsExposures;
    } else {
	gcValues.foreground = listPtr->fgColorPtr->pixel;
	mask = GCForeground | GCFont;
	if (listPtr->gray == None) {
	    listPtr->gray = Tk_GetBitmap(NULL, listPtr->tkwin, "gray50");
	}
	if (listPtr->gray != None) {
	    gcValues.fill_style = FillStippled;
	    gcValues.stipple = listPtr->gray;
	    mask |= GCFillStyle | GCStipple;
	}
    }

    gcValues.font = Tk_FontId(listPtr->tkfont);
    gc = Tk_GetGC(listPtr->tkwin, mask, &gcValues);
    if (listPtr->textGC != None) {
	Tk_FreeGC(listPtr->display, listPtr->textGC);
    }
    listPtr->textGC = gc;

    if (listPtr->selFgColorPtr != NULL) {
	gcValues.foreground = listPtr->selFgColorPtr->pixel;
    }
    gcValues.font = Tk_FontId(listPtr->tkfont);
    mask = GCForeground | GCFont;
    gc = Tk_GetGC(listPtr->tkwin, mask, &gcValues);
    if (listPtr->selTextGC != None) {
	Tk_FreeGC(listPtr->display, listPtr->selTextGC);
    }
    listPtr->selTextGC = gc;

    /*
     * Register the desired geometry for the window and arrange for the window
     * to be redisplayed.
     */

    ListboxComputeGeometry(listPtr, 1, 1, 1);
    listPtr->flags |= UPDATE_V_SCROLLBAR|UPDATE_H_SCROLLBAR;
    EventuallyRedrawRange(listPtr, 0, listPtr->nElements-1);
}

/*
 *--------------------------------------------------------------
 *
 * DisplayListbox --
 *
 *	This procedure redraws the contents of a listbox window.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Information appears on the screen.
 *
 *--------------------------------------------------------------
 */

static void
DisplayListbox(
    ClientData clientData)	/* Information about window. */
{
    register Listbox *listPtr = (Listbox *) clientData;
    register Tk_Window tkwin = listPtr->tkwin;
    GC gc;
    int i, limit, x, y, prevSelected, freeGC, stringLen;
    Tk_FontMetrics fm;
    Tcl_Obj *curElement;
    Tcl_HashEntry *entry;
    char *stringRep;
    ItemAttr *attrs;
    Tk_3DBorder selectedBg;
    XGCValues gcValues;
    unsigned long mask;
    int left, right;		/* Non-zero values here indicate that the left
				 * or right edge of the listbox is
				 * off-screen. */
    Pixmap pixmap;

    listPtr->flags &= ~REDRAW_PENDING;
    if (listPtr->flags & LISTBOX_DELETED) {
	return;
    }

    if (listPtr->flags & MAXWIDTH_IS_STALE) {
	ListboxComputeGeometry(listPtr, 0, 1, 0);
	listPtr->flags &= ~MAXWIDTH_IS_STALE;
	listPtr->flags |= UPDATE_H_SCROLLBAR;
    }

    Tcl_Preserve((ClientData) listPtr);
    if (listPtr->flags & UPDATE_V_SCROLLBAR) {
	ListboxUpdateVScrollbar(listPtr);
	if ((listPtr->flags & LISTBOX_DELETED) || !Tk_IsMapped(tkwin)) {
	    Tcl_Release((ClientData) listPtr);
	    return;
	}
    }
    if (listPtr->flags & UPDATE_H_SCROLLBAR) {
	ListboxUpdateHScrollbar(listPtr);
	if ((listPtr->flags & LISTBOX_DELETED) || !Tk_IsMapped(tkwin)) {
	    Tcl_Release((ClientData) listPtr);
	    return;
	}
    }
    listPtr->flags &= ~(REDRAW_PENDING|UPDATE_V_SCROLLBAR|UPDATE_H_SCROLLBAR);
    Tcl_Release((ClientData) listPtr);

#ifndef TK_NO_DOUBLE_BUFFERING
    /*
     * Redrawing is done in a temporary pixmap that is allocated here and
     * freed at the end of the procedure. All drawing is done to the pixmap,
     * and the pixmap is copied to the screen at the end of the procedure.
     * This provides the smoothest possible visual effects (no flashing on the
     * screen).
     */

    pixmap = Tk_GetPixmap(listPtr->display, Tk_WindowId(tkwin),
	    Tk_Width(tkwin), Tk_Height(tkwin), Tk_Depth(tkwin));
#else
    pixmap = Tk_WindowId(tkwin);
#endif /* TK_NO_DOUBLE_BUFFERING */
    Tk_Fill3DRectangle(tkwin, pixmap, listPtr->normalBorder, 0, 0,
	    Tk_Width(tkwin), Tk_Height(tkwin), 0, TK_RELIEF_FLAT);

    /*
     * Display each item in the listbox.
     */

    limit = listPtr->topIndex + listPtr->fullLines + listPtr->partialLine - 1;
    if (limit >= listPtr->nElements) {
	limit = listPtr->nElements-1;
    }
    left = right = 0;
    if (listPtr->xOffset > 0) {
	left = listPtr->selBorderWidth+1;
    }
    if ((listPtr->maxWidth - listPtr->xOffset) > (Tk_Width(listPtr->tkwin)
	    - 2*(listPtr->inset + listPtr->selBorderWidth))) {
	right = listPtr->selBorderWidth+1;
    }
    prevSelected = 0;

    for (i = listPtr->topIndex; i <= limit; i++) {
	int width = Tk_Width(tkwin);	/* zeroth approx to silence warning */

	x = listPtr->inset;
	y = ((i - listPtr->topIndex) * listPtr->lineHeight) + listPtr->inset;
	gc = listPtr->textGC;
	freeGC = 0;

	/*
	 * Lookup this item in the item attributes table, to see if it has
	 * special foreground/background colors.
	 */

	entry = Tcl_FindHashEntry(listPtr->itemAttrTable, (char *) INT2PTR(i));

	/*
	 * If the listbox is enabled, items may be drawn differently; they may
	 * be drawn selected, or they may have special foreground or
	 * background colors.
	 */

	if (listPtr->state & STATE_NORMAL) {
	    if (Tcl_FindHashEntry(listPtr->selection, (char *) INT2PTR(i))) {
		/*
		 * Selected items are drawn differently.
		 */

		gc = listPtr->selTextGC;
		width = Tk_Width(tkwin) - 2*listPtr->inset;
		selectedBg = listPtr->selBorder;

		/*
		 * If there is attribute information for this item, adjust the
		 * drawing accordingly.
		 */

		if (entry != NULL) {
		    attrs = (ItemAttr *)Tcl_GetHashValue(entry);

		    /*
		     * Default GC has the values from the widget at large.
		     */

		    if (listPtr->selFgColorPtr) {
			gcValues.foreground = listPtr->selFgColorPtr->pixel;
		    } else {
			gcValues.foreground = listPtr->fgColorPtr->pixel;
		    }
		    gcValues.font = Tk_FontId(listPtr->tkfont);
		    gcValues.graphics_exposures = False;
		    mask = GCForeground | GCFont | GCGraphicsExposures;

		    if (attrs->selBorder != NULL) {
			selectedBg = attrs->selBorder;
		    }

		    if (attrs->selFgColor != NULL) {
			gcValues.foreground = attrs->selFgColor->pixel;
			gc = Tk_GetGC(listPtr->tkwin, mask, &gcValues);
			freeGC = 1;
		    }
		}

		Tk_Fill3DRectangle(tkwin, pixmap, selectedBg, x, y,
			width, listPtr->lineHeight, 0, TK_RELIEF_FLAT);

		/*
		 * Draw beveled edges around the selection, if there are
		 * visible edges next to this element. Special considerations:
		 *
		 * 1. The left and right bevels may not be visible if
		 *	horizontal scrolling is enabled (the "left" & "right"
		 *	variables are zero to indicate that the corresponding
		 *	bevel is visible).
		 * 2. Top and bottom bevels are only drawn if this is the
		 *	first or last seleted item.
		 * 3. If the left or right bevel isn't visible, then the
		 *	"left" & "right" vars, computed above, have non-zero
		 *	values that extend the top and bottom bevels so that
		 *	the mitered corners are off-screen.
		 */

		/* Draw left bevel */
		if (left == 0) {
		    Tk_3DVerticalBevel(tkwin, pixmap, selectedBg,
			    x, y, listPtr->selBorderWidth, listPtr->lineHeight,
			    1, TK_RELIEF_RAISED);
		}
		/* Draw right bevel */
		if (right == 0) {
		    Tk_3DVerticalBevel(tkwin, pixmap, selectedBg,
			    x + width - listPtr->selBorderWidth, y,
			    listPtr->selBorderWidth, listPtr->lineHeight,
			    0, TK_RELIEF_RAISED);
		}
		/* Draw top bevel */
		if (!prevSelected) {
		    Tk_3DHorizontalBevel(tkwin, pixmap, selectedBg,
			    x-left, y, width+left+right,
			    listPtr->selBorderWidth,
			    1, 1, 1, TK_RELIEF_RAISED);
		}
		/* Draw bottom bevel */
		if (i + 1 == listPtr->nElements ||
			Tcl_FindHashEntry(listPtr->selection,
				(char *) INT2PTR(i + 1)) == NULL ) {
		    Tk_3DHorizontalBevel(tkwin, pixmap, selectedBg, x-left,
			    y + listPtr->lineHeight - listPtr->selBorderWidth,
			    width+left+right, listPtr->selBorderWidth, 0, 0, 0,
			    TK_RELIEF_RAISED);
		}
		prevSelected = 1;
	    } else {
		/*
		 * If there is an item attributes record for this item, draw
		 * the background box and set the foreground color accordingly
		 */

		if (entry != NULL) {
		    attrs = (ItemAttr *)Tcl_GetHashValue(entry);
		    gcValues.foreground = listPtr->fgColorPtr->pixel;
		    gcValues.font = Tk_FontId(listPtr->tkfont);
		    gcValues.graphics_exposures = False;
		    mask = GCForeground | GCFont | GCGraphicsExposures;

		    /*
		     * If the item has its own background color, draw it now.
		     */

		    if (attrs->border != NULL) {
			width = Tk_Width(tkwin) - 2*listPtr->inset;
			Tk_Fill3DRectangle(tkwin, pixmap, attrs->border, x, y,
				width, listPtr->lineHeight, 0, TK_RELIEF_FLAT);
		    }

		    /*
		     * If the item has its own foreground, use it to override
		     * the value in the gcValues structure.
		     */

		    if ((listPtr->state & STATE_NORMAL)
			    && attrs->fgColor != NULL) {
			gcValues.foreground = attrs->fgColor->pixel;
			gc = Tk_GetGC(listPtr->tkwin, mask, &gcValues);
			freeGC = 1;
		    }
		}
		prevSelected = 0;
	    }
	}

	/*
	 * Draw the actual text of this item.
	 */

	Tk_GetFontMetrics(listPtr->tkfont, &fm);
	y += fm.ascent + listPtr->selBorderWidth;
	x = listPtr->inset + listPtr->selBorderWidth - listPtr->xOffset;
	Tcl_ListObjIndex(listPtr->interp, listPtr->listObj, i, &curElement);
	stringRep = Tcl_GetStringFromObj(curElement, &stringLen);
	Tk_DrawChars(listPtr->display, pixmap, gc, listPtr->tkfont,
		stringRep, stringLen, x, y);

	/*
	 * If this is the active element, apply the activestyle to it.
	 */

	if ((i == listPtr->active) && (listPtr->flags & GOT_FOCUS)) {
	    if (listPtr->activeStyle == ACTIVE_STYLE_UNDERLINE) {
		/*
		 * Underline the text.
		 */

		Tk_UnderlineChars(listPtr->display, pixmap, gc,
			listPtr->tkfont, stringRep, x, y, 0, stringLen);
	    } else if (listPtr->activeStyle == ACTIVE_STYLE_DOTBOX) {
#ifdef WIN32
		/*
		 * This provides for exact default look and feel on Windows.
		 */

		TkWinDCState state;
		HDC dc;
		RECT rect;

		dc = TkWinGetDrawableDC(listPtr->display, pixmap, &state);
		rect.left = listPtr->inset;
		rect.top = ((i - listPtr->topIndex) * listPtr->lineHeight)
			+ listPtr->inset;
		rect.right = rect.left + width;
		rect.bottom = rect.top + listPtr->lineHeight;
		DrawFocusRect(dc, &rect);
		TkWinReleaseDrawableDC(pixmap, dc, &state);
#else /* !WIN32 */
		/*
		 * Draw a dotted box around the text.
		 */

		x = listPtr->inset;
		y = ((i - listPtr->topIndex) * listPtr->lineHeight)
			+ listPtr->inset;
		width = Tk_Width(tkwin) - 2*listPtr->inset - 1;

		gcValues.line_style = LineOnOffDash;
		gcValues.line_width = listPtr->selBorderWidth;
		if (gcValues.line_width <= 0) {
		    gcValues.line_width  = 1;
		}
		gcValues.dash_offset = 0;
		gcValues.dashes = 1;

		/*
		 * You would think the XSetDashes was necessary, but it
		 * appears that the default dotting for just saying we want
		 * dashes appears to work correctly.
		 static char dashList[] = { 1 };
		 static int dashLen = sizeof(dashList);
		 XSetDashes(listPtr->display, gc, 0, dashList, dashLen);
		 */

		mask = GCLineWidth | GCLineStyle | GCDashList | GCDashOffset;
		XChangeGC(listPtr->display, gc, mask, &gcValues);
		XDrawRectangle(listPtr->display, pixmap, gc, x, y,
			(unsigned) width, (unsigned) listPtr->lineHeight - 1);
		if (!freeGC) {
		    /*
		     * Don't bother changing if it is about to be freed.
		     */

		    gcValues.line_style = LineSolid;
		    XChangeGC(listPtr->display, gc, GCLineStyle, &gcValues);
		}
#endif /* WIN32 */
	    }
	}

	if (freeGC) {
	    Tk_FreeGC(listPtr->display, gc);
	}
    }

    /*
     * Redraw the border for the listbox to make sure that it's on top of any
     * of the text of the listbox entries.
     */

    Tk_Draw3DRectangle(tkwin, pixmap, listPtr->normalBorder,
	    listPtr->highlightWidth, listPtr->highlightWidth,
	    Tk_Width(tkwin) - 2*listPtr->highlightWidth,
	    Tk_Height(tkwin) - 2*listPtr->highlightWidth,
	    listPtr->borderWidth, listPtr->relief);
    if (listPtr->highlightWidth > 0) {
	GC fgGC, bgGC;

	bgGC = Tk_GCForColor(listPtr->highlightBgColorPtr, pixmap);
	if (listPtr->flags & GOT_FOCUS) {
	    fgGC = Tk_GCForColor(listPtr->highlightColorPtr, pixmap);
	    TkpDrawHighlightBorder(tkwin, fgGC, bgGC,
		    listPtr->highlightWidth, pixmap);
	} else {
	    TkpDrawHighlightBorder(tkwin, bgGC, bgGC,
		    listPtr->highlightWidth, pixmap);
	}
    }
#ifndef TK_NO_DOUBLE_BUFFERING
    XCopyArea(listPtr->display, pixmap, Tk_WindowId(tkwin),
	    listPtr->textGC, 0, 0, (unsigned) Tk_Width(tkwin),
	    (unsigned) Tk_Height(tkwin), 0, 0);
    Tk_FreePixmap(listPtr->display, pixmap);
#endif /* TK_NO_DOUBLE_BUFFERING */
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxComputeGeometry --
 *
 *	This procedure is invoked to recompute geometry information such as
 *	the sizes of the elements and the overall dimensions desired for the
 *	listbox.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Geometry information is updated and a new requested size is registered
 *	for the widget. Internal border and gridding information is also set.
 *
 *----------------------------------------------------------------------
 */

static void
ListboxComputeGeometry(
    Listbox *listPtr,		/* Listbox whose geometry is to be
				 * recomputed. */
    int fontChanged,		/* Non-zero means the font may have changed so
				 * per-element width information also has to
				 * be computed. */
    int maxIsStale,		/* Non-zero means the "maxWidth" field may no
				 * longer be up-to-date and must be
				 * recomputed. If fontChanged is 1 then this
				 * must be 1. */
    int updateGrid)		/* Non-zero means call Tk_SetGrid or
				 * Tk_UnsetGrid to update gridding for the
				 * window. */
{
    int width, height, pixelWidth, pixelHeight, textLength, i, result;
    Tk_FontMetrics fm;
    Tcl_Obj *element;
    char *text;

    if (fontChanged || maxIsStale) {
	listPtr->xScrollUnit = Tk_TextWidth(listPtr->tkfont, "0", 1);
	if (listPtr->xScrollUnit == 0) {
	    listPtr->xScrollUnit = 1;
	}
	listPtr->maxWidth = 0;
	for (i = 0; i < listPtr->nElements; i++) {
	    /*
	     * Compute the pixel width of the current element.
	     */

	    result = Tcl_ListObjIndex(listPtr->interp, listPtr->listObj, i,
		    &element);
	    if (result != TCL_OK) {
		continue;
	    }
	    text = Tcl_GetStringFromObj(element, &textLength);
	    Tk_GetFontMetrics(listPtr->tkfont, &fm);
	    pixelWidth = Tk_TextWidth(listPtr->tkfont, text, textLength);
	    if (pixelWidth > listPtr->maxWidth) {
		listPtr->maxWidth = pixelWidth;
	    }
	}
    }

    Tk_GetFontMetrics(listPtr->tkfont, &fm);
    listPtr->lineHeight = fm.linespace + 1 + 2*listPtr->selBorderWidth;
    width = listPtr->width;
    if (width <= 0) {
	width = (listPtr->maxWidth + listPtr->xScrollUnit - 1)
		/listPtr->xScrollUnit;
	if (width < 1) {
	    width = 1;
	}
    }
    pixelWidth = width*listPtr->xScrollUnit + 2*listPtr->inset
	    + 2*listPtr->selBorderWidth;
    height = listPtr->height;
    if (listPtr->height <= 0) {
	height = listPtr->nElements;
	if (height < 1) {
	    height = 1;
	}
    }
    pixelHeight = height*listPtr->lineHeight + 2*listPtr->inset;
    Tk_GeometryRequest(listPtr->tkwin, pixelWidth, pixelHeight);
    Tk_SetInternalBorder(listPtr->tkwin, listPtr->inset);
    if (updateGrid) {
	if (listPtr->setGrid) {
	    Tk_SetGrid(listPtr->tkwin, width, height, listPtr->xScrollUnit,
		    listPtr->lineHeight);
	} else {
	    Tk_UnsetGrid(listPtr->tkwin);
	}
    }
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxInsertSubCmd --
 *
 *	This procedure is invoked to handle the listbox "insert" subcommand.
 *
 * Results:
 *	Standard Tcl result.
 *
 * Side effects:
 *	New elements are added to the listbox pointed to by listPtr; a refresh
 *	callback is registered for the listbox.
 *
 *----------------------------------------------------------------------
 */

static int
ListboxInsertSubCmd(
    register Listbox *listPtr,	/* Listbox that is to get the new elements. */
    int index,			/* Add the new elements before this
				 * element. */
    int objc,			/* Number of new elements to add. */
    Tcl_Obj *const objv[])	/* New elements (one per entry). */
{
    int i, oldMaxWidth, pixelWidth, result, length;
    Tcl_Obj *newListObj;
    char *stringRep;

    oldMaxWidth = listPtr->maxWidth;
    for (i = 0; i < objc; i++) {
	/*
	 * Check if any of the new elements are wider than the current widest;
	 * if so, update our notion of "widest."
	 */

	stringRep = Tcl_GetStringFromObj(objv[i], &length);
	pixelWidth = Tk_TextWidth(listPtr->tkfont, stringRep, length);
	if (pixelWidth > listPtr->maxWidth) {
	    listPtr->maxWidth = pixelWidth;
	}
    }

    /*
     * Adjust selection and attribute information for every index after the
     * first index.
     */

    MigrateHashEntries(listPtr->selection, index, listPtr->nElements-1, objc);
    MigrateHashEntries(listPtr->itemAttrTable, index, listPtr->nElements-1,
	    objc);

    /*
     * If the object is shared, duplicate it before writing to it.
     */

    if (Tcl_IsShared(listPtr->listObj)) {
	newListObj = Tcl_DuplicateObj(listPtr->listObj);
    } else {
	newListObj = listPtr->listObj;
    }
    result = Tcl_ListObjReplace(listPtr->interp, newListObj, index, 0,
	    objc, objv);
    if (result != TCL_OK) {
	return result;
    }

    /*
     * Replace the current object and set attached listvar, if any. This may
     * error if listvar points to a var in a deleted namespace, but we ignore
     * those errors. If the namespace is recreated, it will auto-sync with the
     * current value. [Bug 1424513]
     */

    Tcl_IncrRefCount(newListObj);
    Tcl_DecrRefCount(listPtr->listObj);
    listPtr->listObj = newListObj;
    if (listPtr->listVarName != NULL) {
	Tcl_SetVar2Ex(listPtr->interp, listPtr->listVarName, NULL,
		listPtr->listObj, TCL_GLOBAL_ONLY);
    }

    /*
     * Get the new list length.
     */

    Tcl_ListObjLength(listPtr->interp, listPtr->listObj, &listPtr->nElements);

    /*
     * Update the "special" indices (anchor, topIndex, active) to account for
     * the renumbering that just occurred. Then arrange for the new
     * information to be displayed.
     */

    if (index <= listPtr->selectAnchor) {
	listPtr->selectAnchor += objc;
    }
    if (index < listPtr->topIndex) {
	listPtr->topIndex += objc;
    }
    if (index <= listPtr->active) {
	listPtr->active += objc;
	if ((listPtr->active >= listPtr->nElements) &&
		(listPtr->nElements > 0)) {
	    listPtr->active = listPtr->nElements-1;
	}
    }
    listPtr->flags |= UPDATE_V_SCROLLBAR;
    if (listPtr->maxWidth != oldMaxWidth) {
	listPtr->flags |= UPDATE_H_SCROLLBAR;
    }
    ListboxComputeGeometry(listPtr, 0, 0, 0);
    EventuallyRedrawRange(listPtr, index, listPtr->nElements-1);
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxDeleteSubCmd --
 *
 *	Process a listbox "delete" subcommand by removing one or more elements
 *	from a listbox widget.
 *
 * Results:
 *	Standard Tcl result.
 *
 * Side effects:
 *	The listbox will be modified and (eventually) redisplayed.
 *
 *----------------------------------------------------------------------
 */

static int
ListboxDeleteSubCmd(
    register Listbox *listPtr,	/* Listbox widget to modify. */
    int first,			/* Index of first element to delete. */
    int last)			/* Index of last element to delete. */
{
    int count, i, widthChanged, length, result, pixelWidth;
    Tcl_Obj *newListObj, *element;
    char *stringRep;
    Tcl_HashEntry *entry;

    /*
     * Adjust the range to fit within the existing elements of the listbox,
     * and make sure there's something to delete.
     */

    if (first < 0) {
	first = 0;
    }
    if (last >= listPtr->nElements) {
	last = listPtr->nElements-1;
    }
    count = last + 1 - first;
    if (count <= 0) {
	return TCL_OK;
    }

    /*
     * Foreach deleted index we must:
     * a) remove selection information,
     * b) check the width of the element; if it is equal to the max, set
     *    widthChanged to 1, because it may be the only element with that
     *    width.
     */

    widthChanged = 0;
    for (i = first; i <= last; i++) {
	/*
	 * Remove selection information.
	 */

	entry = Tcl_FindHashEntry(listPtr->selection, (char *) INT2PTR(i));
	if (entry != NULL) {
	    listPtr->numSelected--;
	    Tcl_DeleteHashEntry(entry);
	}

	entry = Tcl_FindHashEntry(listPtr->itemAttrTable, (char *) INT2PTR(i));
	if (entry != NULL) {
	    ckfree((char *)Tcl_GetHashValue(entry));
	    Tcl_DeleteHashEntry(entry);
	}

	/*
	 * Check width of the element. We only have to check if widthChanged
	 * has not already been set to 1, because we only need one maxWidth
	 * element to disappear for us to have to recompute the width
	 */

	if (widthChanged == 0) {
	    Tcl_ListObjIndex(listPtr->interp, listPtr->listObj, i, &element);
	    stringRep = Tcl_GetStringFromObj(element, &length);
	    pixelWidth = Tk_TextWidth(listPtr->tkfont, stringRep, length);
	    if (pixelWidth == listPtr->maxWidth) {
		widthChanged = 1;
	    }
	}
    }

    /*
     * Adjust selection and attribute info for indices after lastIndex.
     */

    MigrateHashEntries(listPtr->selection, last+1,
	    listPtr->nElements-1, count*-1);
    MigrateHashEntries(listPtr->itemAttrTable, last+1,
	    listPtr->nElements-1, count*-1);

    /*
     * Delete the requested elements.
     */

    if (Tcl_IsShared(listPtr->listObj)) {
	newListObj = Tcl_DuplicateObj(listPtr->listObj);
    } else {
	newListObj = listPtr->listObj;
    }
    result = Tcl_ListObjReplace(listPtr->interp,
	    newListObj, first, count, 0, NULL);
    if (result != TCL_OK) {
	return result;
    }

    /*
     * Replace the current object and set attached listvar, if any. This may
     * error if listvar points to a var in a deleted namespace, but we ignore
     * those errors. If the namespace is recreated, it will auto-sync with the
     * current value. [Bug 1424513]
     */

    Tcl_IncrRefCount(newListObj);
    Tcl_DecrRefCount(listPtr->listObj);
    listPtr->listObj = newListObj;
    if (listPtr->listVarName != NULL) {
	Tcl_SetVar2Ex(listPtr->interp, listPtr->listVarName, NULL,
		listPtr->listObj, TCL_GLOBAL_ONLY);
    }

    /*
     * Get the new list length.
     */

    Tcl_ListObjLength(listPtr->interp, listPtr->listObj, &listPtr->nElements);

    /*
     * Update the selection and viewing information to reflect the change in
     * the element numbering, and redisplay to slide information up over the
     * elements that were deleted.
     */

    if (first <= listPtr->selectAnchor) {
	listPtr->selectAnchor -= count;
	if (listPtr->selectAnchor < first) {
	    listPtr->selectAnchor = first;
	}
    }
    if (first <= listPtr->topIndex) {
	listPtr->topIndex -= count;
	if (listPtr->topIndex < first) {
	    listPtr->topIndex = first;
	}
    }
    if (listPtr->topIndex > (listPtr->nElements - listPtr->fullLines)) {
	listPtr->topIndex = listPtr->nElements - listPtr->fullLines;
	if (listPtr->topIndex < 0) {
	    listPtr->topIndex = 0;
	}
    }
    if (listPtr->active > last) {
	listPtr->active -= count;
    } else if (listPtr->active >= first) {
	listPtr->active = first;
	if ((listPtr->active >= listPtr->nElements) &&
		(listPtr->nElements > 0)) {
	    listPtr->active = listPtr->nElements-1;
	}
    }
    listPtr->flags |= UPDATE_V_SCROLLBAR;
    ListboxComputeGeometry(listPtr, 0, widthChanged, 0);
    if (widthChanged) {
	listPtr->flags |= UPDATE_H_SCROLLBAR;
    }
    EventuallyRedrawRange(listPtr, first, listPtr->nElements-1);
    return TCL_OK;
}

/*
 *--------------------------------------------------------------
 *
 * ListboxEventProc --
 *
 *	This procedure is invoked by the Tk dispatcher for various events on
 *	listboxes.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	When the window gets deleted, internal structures get cleaned up. When
 *	it gets exposed, it is redisplayed.
 *
 *--------------------------------------------------------------
 */

static void
ListboxEventProc(
    ClientData clientData,	/* Information about window. */
    XEvent *eventPtr)		/* Information about event. */
{
    Listbox *listPtr = (Listbox *) clientData;

    if (eventPtr->type == Expose) {
	EventuallyRedrawRange(listPtr,
		NearestListboxElement(listPtr, eventPtr->xexpose.y),
		NearestListboxElement(listPtr, eventPtr->xexpose.y
		+ eventPtr->xexpose.height));
    } else if (eventPtr->type == DestroyNotify) {
	if (!(listPtr->flags & LISTBOX_DELETED)) {
	    listPtr->flags |= LISTBOX_DELETED;
	    Tcl_DeleteCommandFromToken(listPtr->interp, listPtr->widgetCmd);
	    if (listPtr->setGrid) {
		Tk_UnsetGrid(listPtr->tkwin);
	    }
	    if (listPtr->flags & REDRAW_PENDING) {
		Tcl_CancelIdleCall(DisplayListbox, clientData);
	    }
	    Tcl_EventuallyFree(clientData, DestroyListbox);
	}
    } else if (eventPtr->type == ConfigureNotify) {
	int vertSpace;

	vertSpace = Tk_Height(listPtr->tkwin) - 2*listPtr->inset;
	listPtr->fullLines = vertSpace / listPtr->lineHeight;
	if ((listPtr->fullLines*listPtr->lineHeight) < vertSpace) {
	    listPtr->partialLine = 1;
	} else {
	    listPtr->partialLine = 0;
	}
	listPtr->flags |= UPDATE_V_SCROLLBAR|UPDATE_H_SCROLLBAR;
	ChangeListboxView(listPtr, listPtr->topIndex);
	ChangeListboxOffset(listPtr, listPtr->xOffset);

	/*
	 * Redraw the whole listbox. It's hard to tell what needs to be
	 * redrawn (e.g. if the listbox has shrunk then we may only need to
	 * redraw the borders), so just redraw everything for safety.
	 */

	EventuallyRedrawRange(listPtr, 0, listPtr->nElements-1);
    } else if (eventPtr->type == FocusIn) {
	if (eventPtr->xfocus.detail != NotifyInferior) {
	    listPtr->flags |= GOT_FOCUS;
	    EventuallyRedrawRange(listPtr, 0, listPtr->nElements-1);
	}
    } else if (eventPtr->type == FocusOut) {
	if (eventPtr->xfocus.detail != NotifyInferior) {
	    listPtr->flags &= ~GOT_FOCUS;
	    EventuallyRedrawRange(listPtr, 0, listPtr->nElements-1);
	}
    }
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxCmdDeletedProc --
 *
 *	This procedure is invoked when a widget command is deleted. If the
 *	widget isn't already in the process of being destroyed, this command
 *	destroys it.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	The widget is destroyed.
 *
 *----------------------------------------------------------------------
 */

static void
ListboxCmdDeletedProc(
    ClientData clientData)	/* Pointer to widget record for widget. */
{
    Listbox *listPtr = (Listbox *) clientData;

    /*
     * This procedure could be invoked either because the window was destroyed
     * and the command was then deleted (in which case tkwin is NULL) or
     * because the command was deleted, and then this procedure destroys the
     * widget.
     */

    if (!(listPtr->flags & LISTBOX_DELETED)) {
	Tk_DestroyWindow(listPtr->tkwin);
    }
}

/*
 *--------------------------------------------------------------
 *
 * GetListboxIndex --
 *
 *	Parse an index into a listbox and return either its value or an error.
 *
 * Results:
 *	A standard Tcl result. If all went well, then *indexPtr is filled in
 *	with the index (into listPtr) corresponding to string. Otherwise an
 *	error message is left in the interp's result.
 *
 * Side effects:
 *	None.
 *
 *--------------------------------------------------------------
 */

static int
GetListboxIndex(
    Tcl_Interp *interp,		/* For error messages. */
    Listbox *listPtr,		/* Listbox for which the index is being
				 * specified. */
    Tcl_Obj *indexObj,		/* Specifies an element in the listbox. */
    int endIsSize,		/* If 1, "end" refers to the number of entries
				 * in the listbox. If 0, "end" refers to 1
				 * less than the number of entries. */
    int *indexPtr)		/* Where to store converted index. */
{
    int result, index;
    char *stringRep;

    /*
     * First see if the index is one of the named indices.
     */

    result = Tcl_GetIndexFromObj(NULL, indexObj, indexNames, "", 0, &index);
    if (result == TCL_OK) {
	switch (index) {
	case INDEX_ACTIVE:
	    /* "active" index */
	    *indexPtr = listPtr->active;
	    break;
	case INDEX_ANCHOR:
	    /* "anchor" index */
	    *indexPtr = listPtr->selectAnchor;
	    break;
	case INDEX_END:
	    /* "end" index */
	    if (endIsSize) {
		*indexPtr = listPtr->nElements;
	    } else {
		*indexPtr = listPtr->nElements - 1;
	    }
	    break;
	}
	return TCL_OK;
    }

    /*
     * The index didn't match any of the named indices; maybe it's an @x,y
     */

    stringRep = Tcl_GetString(indexObj);
    if (stringRep[0] == '@') {
	/* @x,y index */
	int y;
	char *start, *end;

	start = stringRep + 1;
	y = strtol(start, &end, 0);
	if ((start == end) || (*end != ',')) {
	    Tcl_AppendResult(interp, "bad listbox index \"", stringRep,
		    "\": must be active, anchor, end, @x,y, or a number",
		    NULL);
	    return TCL_ERROR;
	}
	start = end+1;
	y = strtol(start, &end, 0);
	if ((start == end) || (*end != '\0')) {
	    Tcl_AppendResult(interp, "bad listbox index \"", stringRep,
		    "\": must be active, anchor, end, @x,y, or a number",
		    NULL);
	    return TCL_ERROR;
	}
	*indexPtr = NearestListboxElement(listPtr, y);
	return TCL_OK;
    }

    /*
     * Maybe the index is just an integer.
     */

    if (Tcl_GetIntFromObj(interp, indexObj, indexPtr) == TCL_OK) {
	return TCL_OK;
    }

    /*
     * Everything failed, nothing matched. Throw up an error message.
     */

    Tcl_ResetResult(interp);
    Tcl_AppendResult(interp, "bad listbox index \"",
	    Tcl_GetString(indexObj), "\": must be active, anchor, ",
	    "end, @x,y, or a number", NULL);
    return TCL_ERROR;
}

/*
 *----------------------------------------------------------------------
 *
 * ChangeListboxView --
 *
 *	Change the view on a listbox widget so that a given element is
 *	displayed at the top.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	What's displayed on the screen is changed. If there is a scrollbar
 *	associated with this widget, then the scrollbar is instructed to
 *	change its display too.
 *
 *----------------------------------------------------------------------
 */

static void
ChangeListboxView(
    register Listbox *listPtr,	/* Information about widget. */
    int index)			/* Index of element in listPtr that should now
				 * appear at the top of the listbox. */
{
    if (index >= (listPtr->nElements - listPtr->fullLines)) {
	index = listPtr->nElements - listPtr->fullLines;
    }
    if (index < 0) {
	index = 0;
    }
    if (listPtr->topIndex != index) {
	listPtr->topIndex = index;
	EventuallyRedrawRange(listPtr, 0, listPtr->nElements-1);
	listPtr->flags |= UPDATE_V_SCROLLBAR;
    }
}

/*
 *----------------------------------------------------------------------
 *
 * ChangListboxOffset --
 *
 *	Change the horizontal offset for a listbox.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	The listbox may be redrawn to reflect its new horizontal offset.
 *
 *----------------------------------------------------------------------
 */

static void
ChangeListboxOffset(
    register Listbox *listPtr,	/* Information about widget. */
    int offset)			/* Desired new "xOffset" for listbox. */
{
    int maxOffset;

    /*
     * Make sure that the new offset is within the allowable range, and round
     * it off to an even multiple of xScrollUnit.
     *
     * Add half a scroll unit to do entry/text-like synchronization. [Bug
     * #225025]
     */

    offset += listPtr->xScrollUnit / 2;
    maxOffset = listPtr->maxWidth - (Tk_Width(listPtr->tkwin) -
	    2*listPtr->inset - 2*listPtr->selBorderWidth)
	    + listPtr->xScrollUnit - 1;
    if (offset > maxOffset) {
	offset = maxOffset;
    }
    if (offset < 0) {
	offset = 0;
    }
    offset -= offset % listPtr->xScrollUnit;
    if (offset != listPtr->xOffset) {
	listPtr->xOffset = offset;
	listPtr->flags |= UPDATE_H_SCROLLBAR;
	EventuallyRedrawRange(listPtr, 0, listPtr->nElements-1);
    }
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxScanTo --
 *
 *	Given a point (presumably of the curent mouse location) drag the view
 *	in the window to implement the scan operation.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	The view in the window may change.
 *
 *----------------------------------------------------------------------
 */

static void
ListboxScanTo(
    register Listbox *listPtr,	/* Information about widget. */
    int x,			/* X-coordinate to use for scan operation. */
    int y)			/* Y-coordinate to use for scan operation. */
{
    int newTopIndex, newOffset, maxIndex, maxOffset;

    maxIndex = listPtr->nElements - listPtr->fullLines;
    maxOffset = listPtr->maxWidth + (listPtr->xScrollUnit - 1)
	    - (Tk_Width(listPtr->tkwin) - 2*listPtr->inset
	    - 2*listPtr->selBorderWidth - listPtr->xScrollUnit);

    /*
     * Compute new top line for screen by amplifying the difference between
     * the current position and the place where the scan started (the "mark"
     * position). If we run off the top or bottom of the list, then reset the
     * mark point so that the current position continues to correspond to the
     * edge of the window. This means that the picture will start dragging as
     * soon as the mouse reverses direction (without this reset, might have to
     * slide mouse a long ways back before the picture starts moving again).
     */

    newTopIndex = listPtr->scanMarkYIndex
	    - (10*(y - listPtr->scanMarkY))/listPtr->lineHeight;
    if (newTopIndex > maxIndex) {
	newTopIndex = listPtr->scanMarkYIndex = maxIndex;
	listPtr->scanMarkY = y;
    } else if (newTopIndex < 0) {
	newTopIndex = listPtr->scanMarkYIndex = 0;
	listPtr->scanMarkY = y;
    }
    ChangeListboxView(listPtr, newTopIndex);

    /*
     * Compute new left edge for display in a similar fashion by amplifying
     * the difference between the current position and the place where the
     * scan started.
     */

    newOffset = listPtr->scanMarkXOffset - 10*(x - listPtr->scanMarkX);
    if (newOffset > maxOffset) {
	newOffset = listPtr->scanMarkXOffset = maxOffset;
	listPtr->scanMarkX = x;
    } else if (newOffset < 0) {
	newOffset = listPtr->scanMarkXOffset = 0;
	listPtr->scanMarkX = x;
    }
    ChangeListboxOffset(listPtr, newOffset);
}

/*
 *----------------------------------------------------------------------
 *
 * NearestListboxElement --
 *
 *	Given a y-coordinate inside a listbox, compute the index of the
 *	element under that y-coordinate (or closest to that y-coordinate).
 *
 * Results:
 *	The return value is an index of an element of listPtr. If listPtr has
 *	no elements, then 0 is always returned.
 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

static int
NearestListboxElement(
    register Listbox *listPtr,	/* Information about widget. */
    int y)			/* Y-coordinate in listPtr's window. */
{
    int index;

    index = (y - listPtr->inset)/listPtr->lineHeight;
    if (index >= (listPtr->fullLines + listPtr->partialLine)) {
	index = listPtr->fullLines + listPtr->partialLine - 1;
    }
    if (index < 0) {
	index = 0;
    }
    index += listPtr->topIndex;
    if (index >= listPtr->nElements) {
	index = listPtr->nElements-1;
    }
    return index;
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxSelect --
 *
 *	Select or deselect one or more elements in a listbox..
 *
 * Results:
 *	Standard Tcl result.
 *
 * Side effects:
 *	All of the elements in the range between first and last are marked as
 *	either selected or deselected, depending on the "select" argument. Any
 *	items whose state changes are redisplayed. The selection is claimed
 *	from X when the number of selected elements changes from zero to
 *	non-zero.
 *
 *----------------------------------------------------------------------
 */

static int
ListboxSelect(
    register Listbox *listPtr,	/* Information about widget. */
    int first,			/* Index of first element to select or
				 * deselect. */
    int last,			/* Index of last element to select or
				 * deselect. */
    int select)			/* 1 means select items, 0 means deselect
				 * them. */
{
    int i, firstRedisplay, oldCount, isNew;
    Tcl_HashEntry *entry;

    if (last < first) {
	i = first;
	first = last;
	last = i;
    }
    if ((last < 0) || (first >= listPtr->nElements)) {
	return TCL_OK;
    }
    if (first < 0) {
	first = 0;
    }
    if (last >= listPtr->nElements) {
	last = listPtr->nElements - 1;
    }
    oldCount = listPtr->numSelected;
    firstRedisplay = -1;

    /*
     * For each index in the range, find it in our selection hash table. If
     * it's not there but should be, add it. If it's there but shouldn't be,
     * remove it.
     */

    for (i = first; i <= last; i++) {
	entry = Tcl_FindHashEntry(listPtr->selection, (char *) INT2PTR(i));
	if (entry != NULL) {
	    if (!select) {
		Tcl_DeleteHashEntry(entry);
		listPtr->numSelected--;
		if (firstRedisplay < 0) {
		    firstRedisplay = i;
		}
	    }
	} else {
	    if (select) {
		entry = Tcl_CreateHashEntry(listPtr->selection,
			(char *) INT2PTR(i), &isNew);
		Tcl_SetHashValue(entry, (ClientData) NULL);
		listPtr->numSelected++;
		if (firstRedisplay < 0) {
		    firstRedisplay = i;
		}
	    }
	}
    }

    if (firstRedisplay >= 0) {
	EventuallyRedrawRange(listPtr, first, last);
    }
    if ((oldCount == 0) && (listPtr->numSelected > 0)
	    && (listPtr->exportSelection)) {
	Tk_OwnSelection(listPtr->tkwin, XA_PRIMARY, ListboxLostSelection,
		(ClientData) listPtr);
    }
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxFetchSelection --
 *
 *	This procedure is called back by Tk when the selection is requested by
 *	someone. It returns part or all of the selection in a buffer provided
 *	by the caller.
 *
 * Results:
 *	The return value is the number of non-NULL bytes stored at buffer.
 *	Buffer is filled (or partially filled) with a NULL-terminated string
 *	containing part or all of the selection, as given by offset and
 *	maxBytes. The selection is returned as a Tcl list with one list
 *	element for each element in the listbox.
 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

static int
ListboxFetchSelection(
    ClientData clientData,	/* Information about listbox widget. */
    int offset,			/* Offset within selection of first byte to be
				 * returned. */
    char *buffer,		/* Location in which to place selection. */
    int maxBytes)		/* Maximum number of bytes to place at buffer,
				 * not including terminating NULL
				 * character. */
{
    register Listbox *listPtr = (Listbox *) clientData;
    Tcl_DString selection;
    int length, count, needNewline, stringLen, i;
    Tcl_Obj *curElement;
    char *stringRep;
    Tcl_HashEntry *entry;

    if (!listPtr->exportSelection) {
	return -1;
    }

    /*
     * Use a dynamic string to accumulate the contents of the selection.
     */

    needNewline = 0;
    Tcl_DStringInit(&selection);
    for (i = 0; i < listPtr->nElements; i++) {
	entry = Tcl_FindHashEntry(listPtr->selection, (char *) INT2PTR(i));
	if (entry != NULL) {
	    if (needNewline) {
		Tcl_DStringAppend(&selection, "\n", 1);
	    }
	    Tcl_ListObjIndex(listPtr->interp, listPtr->listObj, i,
		    &curElement);
	    stringRep = Tcl_GetStringFromObj(curElement, &stringLen);
	    Tcl_DStringAppend(&selection, stringRep, stringLen);
	    needNewline = 1;
	}
    }

    length = Tcl_DStringLength(&selection);
    if (length == 0) {
	return -1;
    }

    /*
     * Copy the requested portion of the selection to the buffer.
     */

    count = length - offset;
    if (count <= 0) {
	count = 0;
    } else {
	if (count > maxBytes) {
	    count = maxBytes;
	}
	memcpy(buffer, Tcl_DStringValue(&selection) + offset, (size_t) count);
    }
    buffer[count] = '\0';
    Tcl_DStringFree(&selection);
    return count;
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxLostSelection --
 *
 *	This procedure is called back by Tk when the selection is grabbed away
 *	from a listbox widget.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	The existing selection is unhighlighted, and the window is marked as
 *	not containing a selection.
 *
 *----------------------------------------------------------------------
 */

static void
ListboxLostSelection(
    ClientData clientData)	/* Information about listbox widget. */
{
    register Listbox *listPtr = (Listbox *) clientData;

    if ((listPtr->exportSelection) && (listPtr->nElements > 0)) {
	ListboxSelect(listPtr, 0, listPtr->nElements-1, 0);
    }
}

/*
 *----------------------------------------------------------------------
 *
 * EventuallyRedrawRange --
 *
 *	Ensure that a given range of elements is eventually redrawn on the
 *	display (if those elements in fact appear on the display).
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Information gets redisplayed.
 *
 *----------------------------------------------------------------------
 */

static void
EventuallyRedrawRange(
    register Listbox *listPtr,	/* Information about widget. */
    int first,			/* Index of first element in list that needs
				 * to be redrawn. */
    int last)			/* Index of last element in list that needs to
				 * be redrawn. May be less than first; these
				 * just bracket a range. */
{
    /*
     * We don't have to register a redraw callback if one is already pending,
     * or if the window doesn't exist, or if the window isn't mapped.
     */

    if ((listPtr->flags & REDRAW_PENDING)
	    || (listPtr->flags & LISTBOX_DELETED)
	    || !Tk_IsMapped(listPtr->tkwin)) {
	return;
    }
    listPtr->flags |= REDRAW_PENDING;
    Tcl_DoWhenIdle(DisplayListbox, (ClientData) listPtr);
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxUpdateVScrollbar --
 *
 *	This procedure is invoked whenever information has changed in a
 *	listbox in a way that would invalidate a vertical scrollbar display.
 *	If there is an associated scrollbar, then this command updates it by
 *	invoking a Tcl command.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	A Tcl command is invoked, and an additional command may be invoked to
 *	process errors in the command.
 *
 *----------------------------------------------------------------------
 */

static void
ListboxUpdateVScrollbar(
    register Listbox *listPtr)	/* Information about widget. */
{
    char firstStr[TCL_DOUBLE_SPACE+1], lastStr[TCL_DOUBLE_SPACE+1];
    double first, last;
    int result;
    Tcl_Interp *interp;

    if (listPtr->yScrollCmd == NULL) {
	return;
    }
    if (listPtr->nElements == 0) {
	first = 0.0;
	last = 1.0;
    } else {
	first = listPtr->topIndex / (double) listPtr->nElements;
	last = (listPtr->topIndex + listPtr->fullLines)
		/ (double) listPtr->nElements;
	if (last > 1.0) {
	    last = 1.0;
	}
    }
    firstStr[0] = lastStr[0] = ' ';
    Tcl_PrintDouble(NULL, first, firstStr+1);
    Tcl_PrintDouble(NULL, last, lastStr+1);

    /*
     * We must hold onto the interpreter from the listPtr because the data at
     * listPtr might be freed as a result of the Tcl_VarEval.
     */

    interp = listPtr->interp;
    Tcl_Preserve(interp);
    result = Tcl_VarEval(interp, listPtr->yScrollCmd, firstStr, lastStr,
	    NULL);
    if (result != TCL_OK) {
	Tcl_AddErrorInfo(interp,
		"\n    (vertical scrolling command executed by listbox)");
	Tcl_BackgroundError(interp);
    }
    Tcl_Release(interp);
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxUpdateHScrollbar --
 *
 *	This procedure is invoked whenever information has changed in a
 *	listbox in a way that would invalidate a horizontal scrollbar display.
 *	If there is an associated horizontal scrollbar, then this command
 *	updates it by invoking a Tcl command.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	A Tcl command is invoked, and an additional command may be invoked to
 *	process errors in the command.
 *
 *----------------------------------------------------------------------
 */

static void
ListboxUpdateHScrollbar(
    register Listbox *listPtr)	/* Information about widget. */
{
    char firstStr[TCL_DOUBLE_SPACE+1], lastStr[TCL_DOUBLE_SPACE+1];
    int result, windowWidth;
    double first, last;
    Tcl_Interp *interp;

    if (listPtr->xScrollCmd == NULL) {
	return;
    }
    windowWidth = Tk_Width(listPtr->tkwin) - 2*(listPtr->inset
	    + listPtr->selBorderWidth);
    if (listPtr->maxWidth == 0) {
	first = 0;
	last = 1.0;
    } else {
	register double maxWide = (double) listPtr->maxWidth;

	first = listPtr->xOffset / maxWide;
	last = (listPtr->xOffset + windowWidth) / maxWide;
	if (last > 1.0) {
	    last = 1.0;
	}
    }
    firstStr[0] = lastStr[0] = ' ';
    Tcl_PrintDouble(NULL, first, firstStr+1);
    Tcl_PrintDouble(NULL, last, lastStr+1);

    /*
     * We must hold onto the interpreter because the data referred to at
     * listPtr might be freed as a result of the call to Tcl_VarEval.
     */

    interp = listPtr->interp;
    Tcl_Preserve(interp);
    result = Tcl_VarEval(interp, listPtr->xScrollCmd, firstStr, lastStr,
	    NULL);
    if (result != TCL_OK) {
	Tcl_AddErrorInfo(interp,
		"\n    (horizontal scrolling command executed by listbox)");
	Tcl_BackgroundError(interp);
    }
    Tcl_Release(interp);
}

/*
 *----------------------------------------------------------------------
 *
 * ListboxListVarProc --
 *
 *	Called whenever the trace on the listbox list var fires.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

static char *
ListboxListVarProc(
    ClientData clientData,	/* Information about button. */
    Tcl_Interp *interp,		/* Interpreter containing variable. */
    const char *name1,		/* Not used. */
    const char *name2,		/* Not used. */
    int flags)			/* Information about what happened. */
{
    Listbox *listPtr = (Listbox *)clientData;
    Tcl_Obj *oldListObj, *varListObj;
    int oldLength, i;
    Tcl_HashEntry *entry;

    /*
     * Bwah hahahaha! Puny mortal, you can't unset a -listvar'd variable!
     */

    if (flags & TCL_TRACE_UNSETS) {
	if ((flags & TCL_TRACE_DESTROYED) && !(flags & TCL_INTERP_DESTROYED)) {
	    Tcl_SetVar2Ex(interp, listPtr->listVarName, NULL,
		    listPtr->listObj, TCL_GLOBAL_ONLY);
	    Tcl_TraceVar(interp, listPtr->listVarName,
		    TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
		    ListboxListVarProc, clientData);
	    return NULL;
	}
    } else {
	oldListObj = listPtr->listObj;
	varListObj = Tcl_GetVar2Ex(listPtr->interp, listPtr->listVarName,
		NULL, TCL_GLOBAL_ONLY);

	/*
	 * Make sure the new value is a good list; if it's not, disallow the
	 * change - the fact that it is a listvar means that it must always be
	 * a valid list - and return an error message.
	 */

	if (Tcl_ListObjLength(listPtr->interp, varListObj, &i) != TCL_OK) {
	    Tcl_SetVar2Ex(interp, listPtr->listVarName, NULL, oldListObj,
		    TCL_GLOBAL_ONLY);
	    return (char *) "invalid listvar value";
	}

	listPtr->listObj = varListObj;

	/*
	 * Incr the obj ref count so it doesn't vanish if the var is unset.
	 */

	Tcl_IncrRefCount(listPtr->listObj);

	/*
	 * Clean up the ref to our old list obj.
	 */

	Tcl_DecrRefCount(oldListObj);
    }

    /*
     * If the list length has decreased, then we should clean up selection and
     * attributes information for elements past the end of the new list
     */

    oldLength = listPtr->nElements;
    Tcl_ListObjLength(listPtr->interp, listPtr->listObj, &listPtr->nElements);
    if (listPtr->nElements < oldLength) {
	for (i = listPtr->nElements; i < oldLength; i++) {
	    /*
	     * Clean up selection.
	     */

	    entry = Tcl_FindHashEntry(listPtr->selection, (char *) INT2PTR(i));
	    if (entry != NULL) {
		listPtr->numSelected--;
		Tcl_DeleteHashEntry(entry);
	    }

	    /*
	     * Clean up attributes.
	     */

	    entry = Tcl_FindHashEntry(listPtr->itemAttrTable,
		    (char *) INT2PTR(i));
	    if (entry != NULL) {
		ckfree((char *) Tcl_GetHashValue(entry));
		Tcl_DeleteHashEntry(entry);
	    }
	}
    }

    if (oldLength != listPtr->nElements) {
	listPtr->flags |= UPDATE_V_SCROLLBAR;
	if (listPtr->topIndex > (listPtr->nElements - listPtr->fullLines)) {
	    listPtr->topIndex = listPtr->nElements - listPtr->fullLines;
	    if (listPtr->topIndex < 0) {
		listPtr->topIndex = 0;
	    }
	}
    }

    /*
     * The computed maxWidth may have changed as a result of this operation.
     * However, we don't want to recompute it every time this trace fires
     * (imagine the user doing 1000 lappends to the listvar). Therefore, set
     * the MAXWIDTH_IS_STALE flag, which will cause the width to be recomputed
     * next time the list is redrawn.
     */

    listPtr->flags |= MAXWIDTH_IS_STALE;

    EventuallyRedrawRange(listPtr, 0, listPtr->nElements-1);
    return NULL;
}

/*
 *----------------------------------------------------------------------
 *
 * MigrateHashEntries --
 *
 *	Given a hash table with entries keyed by a single integer value, move
 *	all entries in a given range by a fixed amount, so that if in the
 *	original table there was an entry with key n and the offset was i, in
 *	the new table that entry would have key n + i.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Rekeys some hash table entries.
 *
 *----------------------------------------------------------------------
 */

static void
MigrateHashEntries(
    Tcl_HashTable *table,
    int first,
    int last,
    int offset)
{
    int i, isNew;
    Tcl_HashEntry *entry;
    ClientData clientData;

    if (offset == 0) {
	return;
    }

    /*
     * It's more efficient to do one if/else and nest the for loops inside,
     * although we could avoid some code duplication if we nested the if/else
     * inside the for loops.
     */

    if (offset > 0) {
	for (i = last; i >= first; i--) {
	    entry = Tcl_FindHashEntry(table, (char *) INT2PTR(i));
	    if (entry != NULL) {
		clientData = Tcl_GetHashValue(entry);
		Tcl_DeleteHashEntry(entry);
		entry = Tcl_CreateHashEntry(table,
			(char *) INT2PTR(i + offset), &isNew);
		Tcl_SetHashValue(entry, clientData);
	    }
	}
    } else {
	for (i = first; i <= last; i++) {
	    entry = Tcl_FindHashEntry(table, (char *) INT2PTR(i));
	    if (entry != NULL) {
		clientData = Tcl_GetHashValue(entry);
		Tcl_DeleteHashEntry(entry);
		entry = Tcl_CreateHashEntry(table,
			(char *) INT2PTR(i + offset), &isNew);
		Tcl_SetHashValue(entry, clientData);
	    }
	}
    }
    return;
}

/*
 * Local Variables:
 * mode: c
 * c-basic-offset: 4
 * fill-column: 78
 * End:
 */
generated by cgit v0.12 at 2024-10-03 11:18:03 (GMT)