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modtweak is now the default for x11vnc; check X11/XKBlib.h in configure.ac

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pull/1/head
runge 20 years ago
parent 03376f710a
commit 57234c523d
4 changed files with 157 additions and 115 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2004-07-15 Karl Runge <runge@karlrunge.com>
* x11vnc: modtweak is now the default
* check X11/XKBlib.h in configure.ac to work around Solaris 7 bug.
2004-07-10 Karl Runge <runge@karlrunge.com>
* x11vnc: norepeat to turn off X server autorepeat when clients exist,
let the client side do the autorepeating.

10
configure.ac
Unescape View File

@ -42,9 +42,13 @@ AC_PATH_XTRA
AH_TEMPLATE(HAVE_XKEYBOARD, [XKEYBOARD extension build environment present])
AH_TEMPLATE(HAVE_LIBXINERAMA, [XINERAMA extension build environment present])
if test "$X_CFLAGS" != "-DX_DISPLAY_MISSING"; then
AC_CHECK_LIB(X11, XkbSelectEvents,
[AC_DEFINE(HAVE_XKEYBOARD)], ,
$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
AC_CHECK_HEADER(X11/XKBlib.h, HAVE_XKBLIB_H="true",
HAVE_XKBLIB_H="false", [#include <X11/Xlib.h>])
if test $HAVE_XKBLIB_H = "true"; then
AC_CHECK_LIB(X11, XkbSelectEvents,
[AC_DEFINE(HAVE_XKEYBOARD)], ,
$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
fi
AC_CHECK_LIB(Xinerama, XineramaQueryScreens,
X_PRELIBS="$X_PRELIBS -lXinerama"
[AC_DEFINE(HAVE_LIBXINERAMA)], ,

5
x11vnc/ChangeLog
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@ -1,3 +1,8 @@
2004-07-15 Karl Runge <runge@karlrunge.com>
* make "modtweak" the default, disable with -nomodtweak. this
corrects ghost "< >" key on pc104 us in XFree86.
* fix bug wrt no got_keyboard_input under modtweak
2004-07-10 Karl Runge <runge@karlrunge.com>
* -norepeat to turn off X server autorepeat when clients exist,
(this is workaround for the repeating keystroke bug. Note that

253
x11vnc/x11vnc.c
Unescape View File

@ -156,7 +156,7 @@
#endif
/* date +'"lastmod: %Y-%m-%d";' */
char lastmod[] = "lastmod: 2004-07-10";
char lastmod[] = "lastmod: 2004-07-15";
/* X display info */
Display *dpy = 0;
@ -321,7 +321,7 @@ int connect_once = 1; /* disconnect after first connection session. */
int flash_cmap = 0; /* follow installed colormaps */
int force_indexed_color = 0; /* whether to force indexed color for 8bpp */
int use_modifier_tweak = 0; /* use the altgr_keyboard modifier tweak */
int use_modifier_tweak = 1; /* use the shift/altgr modifier tweak */
int clear_mods = 0; /* -clear_mods (1) and -clear_keys (2) */
int nofb = 0; /* do not send any fb updates */
@ -1690,66 +1690,6 @@ enum rfbNewClientAction new_client(rfbClientPtr client) {
}
/* -- keyboard.c -- */
/*
* For tweaking modifiers wrt the Alt-Graph key, etc.
*/
#define LEFTSHIFT 1
#define RIGHTSHIFT 2
#define ALTGR 4
static char mod_state = 0;
static char modifiers[0x100];
static KeyCode keycodes[0x100];
static KeyCode left_shift_code, right_shift_code, altgr_code;
void initialize_modtweak(void) {
KeySym keysym, *keymap;
int i, j, minkey, maxkey, syms_per_keycode;
memset(modifiers, -1, sizeof(modifiers));
XDisplayKeycodes(dpy, &minkey, &maxkey);
keymap = XGetKeyboardMapping(dpy, minkey, (maxkey - minkey + 1),
&syms_per_keycode);
/* handle alphabetic char with only one keysym (no upper + lower) */
for (i = minkey; i <= maxkey; i++) {
KeySym lower, upper;
/* 2nd one */
keysym = keymap[(i - minkey) * syms_per_keycode + 1];
if (keysym != NoSymbol) {
continue;
}
/* 1st one */
keysym = keymap[(i - minkey) * syms_per_keycode + 0];
if (keysym == NoSymbol) {
continue;
}
XConvertCase(keysym, &lower, &upper);
if (lower != upper) {
keymap[(i - minkey) * syms_per_keycode + 0] = lower;
keymap[(i - minkey) * syms_per_keycode + 1] = upper;
}
}
for (i = minkey; i <= maxkey; i++) {
for (j = 0; j < syms_per_keycode; j++) {
keysym = keymap[ (i - minkey) * syms_per_keycode + j ];
if ( keysym >= ' ' && keysym < 0x100
&& i == XKeysymToKeycode(dpy, keysym) ) {
keycodes[keysym] = i;
modifiers[keysym] = j;
}
}
}
left_shift_code = XKeysymToKeycode(dpy, XK_Shift_L);
right_shift_code = XKeysymToKeycode(dpy, XK_Shift_R);
altgr_code = XKeysymToKeycode(dpy, XK_Mode_switch);
XFree ((void *) keymap);
}
/*
* Routine to retreive current state keyboard. 1 means down, 0 up.
*/
@ -1962,7 +1902,6 @@ void initialize_remap(char *infile) {
keyremaps = remap;
} else {
current->next = remap;
}
current = remap;
}
@ -1987,6 +1926,66 @@ void myXTestFakeKeyEvent(Display* dpy, KeyCode key, Bool down,
XTestFakeKeyEvent(dpy, key, down, cur_time);
}
/*
* For tweaking modifiers wrt the Alt-Graph key, etc.
*/
#define LEFTSHIFT 1
#define RIGHTSHIFT 2
#define ALTGR 4
static char mod_state = 0;
static char modifiers[0x100];
static KeyCode keycodes[0x100];
static KeyCode left_shift_code, right_shift_code, altgr_code;
void initialize_modtweak(void) {
KeySym keysym, *keymap;
int i, j, minkey, maxkey, syms_per_keycode;
memset(modifiers, -1, sizeof(modifiers));
XDisplayKeycodes(dpy, &minkey, &maxkey);
keymap = XGetKeyboardMapping(dpy, minkey, (maxkey - minkey + 1),
&syms_per_keycode);
/* handle alphabetic char with only one keysym (no upper + lower) */
for (i = minkey; i <= maxkey; i++) {
KeySym lower, upper;
/* 2nd one */
keysym = keymap[(i - minkey) * syms_per_keycode + 1];
if (keysym != NoSymbol) {
continue;
}
/* 1st one */
keysym = keymap[(i - minkey) * syms_per_keycode + 0];
if (keysym == NoSymbol) {
continue;
}
XConvertCase(keysym, &lower, &upper);
if (lower != upper) {
keymap[(i - minkey) * syms_per_keycode + 0] = lower;
keymap[(i - minkey) * syms_per_keycode + 1] = upper;
}
}
for (i = minkey; i <= maxkey; i++) {
for (j = 0; j < syms_per_keycode; j++) {
keysym = keymap[ (i - minkey) * syms_per_keycode + j ];
if ( keysym >= ' ' && keysym < 0x100
&& i == XKeysymToKeycode(dpy, keysym) ) {
keycodes[keysym] = i;
modifiers[keysym] = j;
}
}
}
left_shift_code = XKeysymToKeycode(dpy, XK_Shift_L);
right_shift_code = XKeysymToKeycode(dpy, XK_Shift_R);
altgr_code = XKeysymToKeycode(dpy, XK_Mode_switch);
XFree ((void *) keymap);
}
/*
* does the actual tweak:
*/
@ -2113,7 +2112,11 @@ void keyboard(rfbBool down, rfbKeySym keysym, rfbClientPtr client) {
if (client->viewOnly) {
return;
}
last_keyboard_client = client;
last_event = last_input = time(0);
got_user_input++;
got_keyboard_input++;
if (keyremaps) {
keyremap_t *remap = keyremaps;
@ -2181,10 +2184,6 @@ void keyboard(rfbBool down, rfbKeySym keysym, rfbClientPtr client) {
if ( k != NoSymbol ) {
myXTestFakeKeyEvent(dpy, k, (Bool) down, CurrentTime);
XFlush(dpy);
last_event = last_input = time(0);
got_user_input++;
got_keyboard_input++;
}
X_UNLOCK;
@ -6790,16 +6789,17 @@ static void print_help(void) {
"Rudimentary config file support: if the file $HOME/.x11vncrc exists then each\n"
"line in it is treated as a single command line option. Disable with -norc.\n"
"For each option name, the leading character \"-\" is not required. E.g. a\n"
"line that is either \"nap\" or \"-nap\" may be used. Likewise \"wait 100\"\n"
"or \"-wait 100\" are acceptable lines. The \"#\" character comments out to\n"
"the end of the line in the usual way. Leading and trailing whitespace is\n"
"trimmed off.\n"
"line that is either \"nap\" or \"-nap\" may be used and are equivalent.\n"
"Likewise \"wait 100\" or \"-wait 100\" are acceptable lines. The \"#\"\n"
"character comments out to the end of the line in the usual way. Leading and\n"
"trailing whitespace is trimmed off.\n"
"\n"
"Options:\n"
"\n"
"-display disp X11 server display to connect to, the X server process\n"
" must be running on same machine and support MIT-SHM.\n"
" Equivalent to setting the DISPLAY env. variable.\n"
"-display disp X11 server display to connect to, usually :0. The X\n"
" server process must be running on same machine and\n"
" support MIT-SHM. Equivalent to setting the DISPLAY\n"
" environment variable to disp.\n"
"-id windowid Show the window corresponding to <windowid> not the\n"
" entire display. Warning: bugs! new toplevels missed!...\n"
"-flashcmap In 8bpp indexed color, let the installed colormap flash\n"
@ -6850,8 +6850,8 @@ static void print_help(void) {
" to host or host:port establish a reverse connection.\n"
" Using xprop(1) instead of vncconnect may work, see FAQ.\n"
"-auth file Set the X authority file to be \"file\", equivalent\n"
" to setting the XAUTHORITY env. var to \"file\" before\n"
" startup.\n"
" to setting the XAUTHORITY environment var to \"file\"\n"
" before startup. See Xsecurity(7), xauth(1) man pages.\n"
"-allow addr1[,addr2..] Only allow client connections from IP addresses matching\n"
" the comma separated list of numerical addresses.\n"
" Can be a prefix, e.g. \"192.168.100.\" to match a\n"
@ -6931,7 +6931,8 @@ static void print_help(void) {
"\n"
"-inetd Launched by inetd(1): stdio instead of listening socket.\n"
" Note: if you are not redirecting stderr to a log file\n"
" you must also specify the -q option.\n"
" (via shell 2> or -o option) you must also specify the\n"
" -q option.\n"
"\n"
"-noshm Do not use the MIT-SHM extension for the polling.\n"
" Remote displays can be polled this way: be careful this\n"
@ -6950,7 +6951,7 @@ static void print_help(void) {
"-o logfile Write stderr messages to file \"logfile\" instead of\n"
" to the terminal. Same as -logfile.\n"
"-rc filename Use \"filename\" instead of $HOME/.x11vncrc for rc file.\n"
"-norc Do not process the $HOME/.x11vncrc file for options.\n"
"-norc Do not process any .x11vncrc file for options.\n"
"\n"
"-q Be quiet by printing less informational output to\n"
" stderr. Same as -quiet.\n"
@ -6963,15 +6964,19 @@ static void print_help(void) {
" vncviewer $host:$port\n"
"\n"
"-modtweak Handle AltGr/Shift modifiers for differing languages\n"
" between client and host (default %s).\n"
"-nomodtweak Send the keysym directly to the X server.\n"
" between client and host (Default %s). Also helps\n"
" resolve cases with a keysym bound to multiple keys.\n"
"-nomodtweak Try to send the keysym directly to the X server.\n"
" This may cause problems if a keysym is bound to multiple\n"
" keys, e.g. when typing \"<\" if the Xserver defines a\n"
" \"< and >\" key in addition to a \"< and comma\" key.\n"
"-clear_mods At startup and exit clear the modifier keys by sending\n"
" KeyRelease for each one. The Lock modifiers are skipped.\n"
" Used to clear the state if the display was accidentally\n"
" left with any pressed down. That should be rare.\n"
" left with any pressed down.\n"
"-clear_keys As -clear_mods, except try to release any pressed key.\n"
" Intended for debugging. This option and -clear_mods\n"
" can interfere with typing at the physical keyboard.\n"
" Mostly for testing. This option and -clear_mods can\n"
" interfere with typing at the physical keyboard.\n"
"-remap string Read keysym remappings from file named \"string\".\n"
" Format is one pair of keysyms per line (can be name\n"
" or hex value) separated by a space. If no file named\n"
@ -6981,17 +6986,18 @@ static void print_help(void) {
" etc. E.g. -remap Super_R-Button2\n"
"\n"
"-nofb Ignore framebuffer: only process keyboard and pointer.\n"
"-nobell Do not watch for XBell events.\n"
" Intended for use with Win2VNC and x2vnc dual displays.\n"
"-nobell Do not watch for XBell events. (no beeps will be heard)\n"
"-nosel Do not manage exchange of X selection/cutbuffer.\n"
"-noprimary Do not poll the PRIMARY selection for changes and send\n"
" back to clients. PRIMARY is still set on received\n"
" changes, however.\n"
"-noprimary Do not poll the PRIMARY selection for changes to send\n"
" back to clients. (PRIMARY is still set on received\n"
" changes, however).\n"
"\n"
"-nocursor Do not have the viewer show a local cursor.\n"
"-mouse Draw a 2nd cursor at the current X pointer position.\n"
"-mouseX As -mouse, but also draw an X on root background.\n"
"-X Shorthand for -mouseX -nocursor.\n"
"-xwarppointer Move the pointer with XWarpPointer instead of XTEST\n"
"-xwarppointer Move the pointer with XWarpPointer() instead of XTEST\n"
" (try as a workaround if pointer behaves poorly, e.g.\n"
" on touchscreens or other non-standard setups).\n"
"-cursorpos Send the X cursor position back to all vnc clients that\n"
@ -7025,7 +7031,7 @@ static void print_help(void) {
" read n user input events before scanning display. n < 0\n"
" means to act as though there is always user input.\n"
"-norepeat Disable X server key auto repeat when clients are\n"
" connected. This works around the repeating keystrokes\n"
" connected. This works around a repeating keystrokes\n"
" bug (triggered by long processing delays between key\n"
" down and key up client events: either from large screen\n"
" changes or high latency). Note: your VNC viewer side\n"
@ -7310,6 +7316,11 @@ int main(int argc, char* argv[]) {
# define argc argc2
# define argv argv2
# define CHECK_ARGC if (i >= argc-1) { \
fprintf(stderr, "not enough arguments for: %s\n", arg); \
exit(1); \
}
for (i=1; i < argc; i++) {
/* quick-n-dirty --option handling. */
arg = argv[i];
@ -7318,8 +7329,10 @@ int main(int argc, char* argv[]) {
}
if (!strcmp(arg, "-display")) {
CHECK_ARGC
use_dpy = argv[++i];
} else if (!strcmp(arg, "-id")) {
CHECK_ARGC
if (sscanf(argv[++i], "0x%x", &subwin) != 1) {
if (sscanf(argv[i], "%d", &subwin) != 1) {
fprintf(stderr, "bad -id arg: %s\n",
@ -7331,8 +7344,8 @@ int main(int argc, char* argv[]) {
int m, n;
char *p;
double f;
i++;
if ( (p = strchr(argv[i], ':')) != NULL) {
CHECK_ARGC
if ( (p = strchr(argv[++i], ':')) != NULL) {
/* options */
if (strstr(p+1, "nb") != NULL) {
scaling_noblend = 1;
@ -7389,6 +7402,7 @@ int main(int argc, char* argv[]) {
scaling = 1;
}
} else if (!strcmp(arg, "-visual")) {
CHECK_ARGC
visual_str = argv[++i];
} else if (!strcmp(arg, "-flashcmap")) {
flash_cmap = 1;
@ -7398,8 +7412,10 @@ int main(int argc, char* argv[]) {
view_only = 1;
} else if (!strcmp(arg, "-viewpasswd")) {
vpw_loc = i;
CHECK_ARGC
viewonly_passwd = strdup(argv[++i]);
} else if (!strcmp(arg, "-passwdfile")) {
CHECK_ARGC
passwdfile = argv[++i];
} else if (!strcmp(arg, "-storepasswd")) {
if (i+2 >= argc || vncEncryptAndStorePasswd(argv[i+1],
@ -7414,14 +7430,18 @@ int main(int argc, char* argv[]) {
} else if (!strcmp(arg, "-shared")) {
shared = 1;
} else if (!strcmp(arg, "-auth")) {
CHECK_ARGC
auth_file = argv[++i];
} else if (!strcmp(arg, "-allow")) {
CHECK_ARGC
allow_list = argv[++i];
} else if (!strcmp(arg, "-localhost")) {
allow_list = "127.0.0.1";
} else if (!strcmp(arg, "-accept")) {
CHECK_ARGC
accept_cmd = argv[++i];
} else if (!strcmp(arg, "-gone")) {
CHECK_ARGC
gone_cmd = argv[++i];
} else if (!strcmp(arg, "-once")) {
connect_once = 1;
@ -7429,8 +7449,8 @@ int main(int argc, char* argv[]) {
|| !strcmp(arg, "-forever")) {
connect_once = 0;
} else if (!strcmp(arg, "-connect")) {
i++;
if (strchr(arg, '/')) {
CHECK_ARGC
if (strchr(argv[++i], '/')) {
client_connect_file = argv[i];
} else {
client_connect = strdup(argv[i]);
@ -7452,15 +7472,17 @@ int main(int argc, char* argv[]) {
} else if (!strcmp(arg, "-clear_keys")) {
clear_mods = 2;
} else if (!strcmp(arg, "-remap")) {
CHECK_ARGC
remap_file = argv[++i];
} else if (!strcmp(arg, "-blackout")) {
CHECK_ARGC
blackout_string = argv[++i];
} else if (!strcmp(arg, "-xinerama")) {
xinerama = 1;
} else if (!strcmp(arg, "-norc")) {
;
; /* done above */
} else if (!strcmp(arg, "-rc")) {
i++;
i++; /* done above */
} else if (!strcmp(arg, "-nobell")) {
watch_bell = 0;
} else if (!strcmp(arg, "-nofb")) {
@ -7485,10 +7507,12 @@ int main(int argc, char* argv[]) {
} else if (!strcmp(arg, "-cursorpos")) {
cursor_pos = 1;
} else if (!strcmp(arg, "-buttonmap")) {
CHECK_ARGC
pointer_remap = argv[++i];
} else if (!strcmp(arg, "-nodragging")) {
show_dragging = 0;
} else if (!strcmp(arg, "-input_skip")) {
CHECK_ARGC
ui_skip = atoi(argv[++i]);
if (! ui_skip) ui_skip = 1;
} else if (!strcmp(arg, "-old_pointer")) {
@ -7503,9 +7527,11 @@ int main(int argc, char* argv[]) {
} else if (!strcmp(arg, "-debug_keyboard")) {
debug_keyboard++;
} else if (!strcmp(arg, "-defer")) {
CHECK_ARGC
defer_update = atoi(argv[++i]);
got_defer = 1;
} else if (!strcmp(arg, "-wait")) {
CHECK_ARGC
waitms = atoi(argv[++i]);
} else if (!strcmp(arg, "-nap")) {
take_naps = 1;
@ -7516,6 +7542,7 @@ int main(int argc, char* argv[]) {
use_threads = 0;
#endif
} else if (!strcmp(arg, "-sigpipe")) {
CHECK_ARGC
if (!strcmp(argv[++i], "ignore")) {
sigpipe = 1;
} else if (!strcmp(argv[i], "exit")) {
@ -7528,12 +7555,16 @@ int main(int argc, char* argv[]) {
exit(1);
}
} else if (!strcmp(arg, "-fs")) {
CHECK_ARGC
fs_frac = atof(argv[++i]);
} else if (!strcmp(arg, "-gaps")) {
CHECK_ARGC
gaps_fill = atoi(argv[++i]);
} else if (!strcmp(arg, "-grow")) {
CHECK_ARGC
grow_fill = atoi(argv[++i]);
} else if (!strcmp(arg, "-fuzz")) {
CHECK_ARGC
tile_fuzz = atoi(argv[++i]);
} else if (!strcmp(arg, "-hints") || !strcmp(arg, "-nohints")) {
fprintf(stderr, "warning: -hints/-nohints option "
@ -7542,6 +7573,7 @@ int main(int argc, char* argv[]) {
|| !strcmp(arg, "-?")) {
print_help();
} else if (!strcmp(arg, "-o") || !strcmp(arg, "-logfile")) {
CHECK_ARGC
logfile = argv[++i];
} else if (!strcmp(arg, "-q") || !strcmp(arg, "-quiet")) {
quiet = 1;
@ -7842,18 +7874,31 @@ int main(int argc, char* argv[]) {
} else {
if (! quiet) fprintf(stderr, "Using default X display.\n");
}
if (! dt) {
static char str[] = "-desktop";
argv_vnc[argc_vnc++] = str;
argv_vnc[argc_vnc++] = choose_title(use_dpy);
}
scr = DefaultScreen(dpy);
rootwin = RootWindow(dpy, scr);
/* check for XTEST */
if (! XTestQueryExtension(dpy, &ev, &er, &maj, &min)) {
fprintf(stderr, "Display does not support XTest extension.\n");
exit(1);
}
/*
* Window managers will often grab the display during resize, etc.
* To avoid deadlock (our user resize input is not processed)
* we tell the server to process our requests during all grabs:
*/
XTestGrabControl(dpy, True);
/* check for MIT-SHM */
if (! nofb && ! XShmQueryExtension(dpy)) {
if (! using_shm) {
if (! quiet) {
fprintf(stderr, "warning: display does not "
fprintf(stderr, "info: display does not "
"support XShm.\n");
}
} else {
@ -7880,16 +7925,6 @@ int main(int argc, char* argv[]) {
}
#endif
/*
* Window managers will often grab the display during resize, etc.
* To avoid deadlock (our user resize input is not processed)
* we tell the server to process our requests during all grabs:
*/
XTestGrabControl(dpy, True);
scr = DefaultScreen(dpy);
rootwin = RootWindow(dpy, scr);
/* set up parameters for subwin or non-subwin cases: */
if (! subwin) {
window = rootwin;
@ -7919,7 +7954,6 @@ int main(int argc, char* argv[]) {
" for subwindow\n");
}
}
set_offset();
}
@ -7986,11 +8020,6 @@ int main(int argc, char* argv[]) {
fprintf(stderr, "warning: 24 bpp may have poor"
" performance.\n");
}
if (! dt) {
static char str[] = "-desktop";
argv_vnc[argc_vnc++] = str;
argv_vnc[argc_vnc++] = choose_title(use_dpy);
}
/*
* n.b. we do not have to X_LOCK any X11 calls until watch_loop()

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