vnc: add no-lock-key-sync option

Add an option to disable the heuristics which try to keep
capslock and numlock state for guest and host in sync.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2010-03-10 17:12:02 +01:00 committed by Anthony Liguori
parent af821177a7
commit 3a0558b519
2 changed files with 13 additions and 4 deletions

16
vnc.c
View File

@ -1110,7 +1110,8 @@ static void vnc_disconnect_finish(VncState *vs)
}
vnc_remove_timer(vs->vd);
qemu_remove_led_event_handler(vs->led);
if (vs->vd->lock_key_sync)
qemu_remove_led_event_handler(vs->led);
qemu_free(vs);
}
@ -1549,7 +1550,8 @@ static void do_key_event(VncState *vs, int down, int keycode, int sym)
break;
}
if (keycode_is_keypad(vs->vd->kbd_layout, keycode)) {
if (vs->vd->lock_key_sync &&
keycode_is_keypad(vs->vd->kbd_layout, keycode)) {
/* If the numlock state needs to change then simulate an additional
keypress before sending this one. This will happen if the user
toggles numlock away from the VNC window.
@ -1567,7 +1569,8 @@ static void do_key_event(VncState *vs, int down, int keycode, int sym)
}
}
if ((sym >= 'A' && sym <= 'Z') || (sym >= 'a' && sym <= 'z')) {
if (vs->vd->lock_key_sync &&
((sym >= 'A' && sym <= 'Z') || (sym >= 'a' && sym <= 'z'))) {
/* If the capslock state needs to change then simulate an additional
keypress before sending this one. This will happen if the user
toggles capslock away from the VNC window.
@ -2430,7 +2433,8 @@ static void vnc_connect(VncDisplay *vd, int csock)
vnc_flush(vs);
vnc_read_when(vs, protocol_version, 12);
reset_keys(vs);
vs->led = qemu_add_led_event_handler(kbd_leds, vs);
if (vs->vd->lock_key_sync)
vs->led = qemu_add_led_event_handler(kbd_leds, vs);
vnc_init_timer(vd);
@ -2551,6 +2555,7 @@ int vnc_display_open(DisplayState *ds, const char *display)
int saslErr;
#endif
int acl = 0;
int lock_key_sync = 1;
if (!vnc_display)
return -1;
@ -2568,6 +2573,8 @@ int vnc_display_open(DisplayState *ds, const char *display)
password = 1; /* Require password auth */
} else if (strncmp(options, "reverse", 7) == 0) {
reverse = 1;
} else if (strncmp(options, "no-lock-key-sync", 9) == 0) {
lock_key_sync = 0;
#ifdef CONFIG_VNC_SASL
} else if (strncmp(options, "sasl", 4) == 0) {
sasl = 1; /* Require SASL auth */
@ -2713,6 +2720,7 @@ int vnc_display_open(DisplayState *ds, const char *display)
return -1;
}
#endif
vs->lock_key_sync = lock_key_sync;
if (reverse) {
/* connect to viewer */

1
vnc.h
View File

@ -99,6 +99,7 @@ struct VncDisplay
int lsock;
DisplayState *ds;
kbd_layout_t *kbd_layout;
int lock_key_sync;
struct VncSurface guest; /* guest visible surface (aka ds->surface) */
DisplaySurface *server; /* vnc server surface */