diff options
Diffstat (limited to 'ui/vnc.c')
| -rw-r--r-- | ui/vnc.c | 45 |
1 files changed, 45 insertions, 0 deletions
@@ -1522,6 +1522,42 @@ static void press_key(VncState *vs, int keysym) kbd_put_keycode(keycode | SCANCODE_UP); } +static int current_led_state(VncState *vs) +{ + int ledstate = 0; + + if (vs->modifiers_state[0x46]) { + ledstate |= QEMU_SCROLL_LOCK_LED; + } + if (vs->modifiers_state[0x45]) { + ledstate |= QEMU_NUM_LOCK_LED; + } + if (vs->modifiers_state[0x3a]) { + ledstate |= QEMU_CAPS_LOCK_LED; + } + + return ledstate; +} + +static void vnc_led_state_change(VncState *vs) +{ + int ledstate = 0; + + if (!vnc_has_feature(vs, VNC_FEATURE_LED_STATE)) { + return; + } + + ledstate = current_led_state(vs); + vnc_lock_output(vs); + vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); + vnc_write_u8(vs, 0); + vnc_write_u16(vs, 1); + vnc_framebuffer_update(vs, 0, 0, 1, 1, VNC_ENCODING_LED_STATE); + vnc_write_u8(vs, ledstate); + vnc_unlock_output(vs); + vnc_flush(vs); +} + static void kbd_leds(void *opaque, int ledstate) { VncState *vs = opaque; @@ -1540,6 +1576,11 @@ static void kbd_leds(void *opaque, int ledstate) if (vs->modifiers_state[0x46] != scr) { vs->modifiers_state[0x46] = scr; } + + /* Sending the current led state message to the client */ + if (ledstate != current_led_state(vs)) { + vnc_led_state_change(vs); + } } static void do_key_event(VncState *vs, int down, int keycode, int sym) @@ -1893,6 +1934,9 @@ static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) case VNC_ENCODING_WMVi: vs->features |= VNC_FEATURE_WMVI_MASK; break; + case VNC_ENCODING_LED_STATE: + vs->features |= VNC_FEATURE_LED_STATE_MASK; + break; case VNC_ENCODING_COMPRESSLEVEL0 ... VNC_ENCODING_COMPRESSLEVEL0 + 9: vs->tight.compression = (enc & 0x0F); break; @@ -1908,6 +1952,7 @@ static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) } vnc_desktop_resize(vs); check_pointer_type_change(&vs->mouse_mode_notifier, NULL); + vnc_led_state_change(vs); } static void set_pixel_conversion(VncState *vs) |