vnc: move initialization to framebuffer_update_request

qemu sends various state info like current cursor shape to newly connected
clients in response to a set_encoding message.  This is not correct according
to the rfb spec.  Send that information in response to a full (incremental=0)
framebuffer update request instead.  Also send the resize information
unconditionally, not only in case of an actual server-side change.

This makes the qemu vnc server conform to the spec and allows clients to
request the complete vnc server state without reconnect.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20210112134120.2031837-3-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2021-01-12 14:41:19 +01:00
parent b3c2de9cd5
commit 9e1632ad07

View file

@ -661,10 +661,6 @@ static void vnc_desktop_resize(VncState *vs)
if (vs->ioc == NULL || !vnc_has_feature(vs, VNC_FEATURE_RESIZE)) {
return;
}
if (vs->client_width == pixman_image_get_width(vs->vd->server) &&
vs->client_height == pixman_image_get_height(vs->vd->server)) {
return;
}
assert(pixman_image_get_width(vs->vd->server) < 65536 &&
pixman_image_get_width(vs->vd->server) >= 0);
@ -2014,6 +2010,10 @@ static void framebuffer_update_request(VncState *vs, int incremental,
} else {
vs->update = VNC_STATE_UPDATE_FORCE;
vnc_set_area_dirty(vs->dirty, vs->vd, x, y, w, h);
vnc_colordepth(vs);
vnc_desktop_resize(vs);
vnc_led_state_change(vs);
vnc_cursor_define(vs);
}
}
@ -2154,10 +2154,7 @@ static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings)
break;
}
}
vnc_desktop_resize(vs);
check_pointer_type_change(&vs->mouse_mode_notifier, NULL);
vnc_led_state_change(vs);
vnc_cursor_define(vs);
}
static void set_pixel_conversion(VncState *vs)