diff options
-rw-r--r-- | hw/vmmouse.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/hw/vmmouse.c b/hw/vmmouse.c index f3593047e7..209711942f 100644 --- a/hw/vmmouse.c +++ b/hw/vmmouse.c @@ -100,16 +100,29 @@ static void vmmouse_mouse_event(void *opaque, int x, int y, int dz, int buttons_ i8042_isa_mouse_fake_event(s->ps2_mouse); } -static void vmmouse_update_handler(VMMouseState *s) +static void vmmouse_remove_handler(VMMouseState *s) { if (s->entry) { qemu_remove_mouse_event_handler(s->entry); s->entry = NULL; } - if (s->status == 0) +} + +static void vmmouse_update_handler(VMMouseState *s, int absolute) +{ + if (s->status != 0) { + return; + } + if (s->absolute != absolute) { + s->absolute = absolute; + vmmouse_remove_handler(s); + } + if (s->entry == NULL) { s->entry = qemu_add_mouse_event_handler(vmmouse_mouse_event, s, s->absolute, "vmmouse"); + qemu_activate_mouse_event_handler(s->entry); + } } static void vmmouse_read_id(VMMouseState *s) @@ -121,28 +134,25 @@ static void vmmouse_read_id(VMMouseState *s) s->queue[s->nb_queue++] = VMMOUSE_VERSION; s->status = 0; - vmmouse_update_handler(s); } static void vmmouse_request_relative(VMMouseState *s) { DPRINTF("vmmouse_request_relative()\n"); - s->absolute = 0; - vmmouse_update_handler(s); + vmmouse_update_handler(s, 0); } static void vmmouse_request_absolute(VMMouseState *s) { DPRINTF("vmmouse_request_absolute()\n"); - s->absolute = 1; - vmmouse_update_handler(s); + vmmouse_update_handler(s, 1); } static void vmmouse_disable(VMMouseState *s) { DPRINTF("vmmouse_disable()\n"); s->status = 0xffff; - vmmouse_update_handler(s); + vmmouse_remove_handler(s); } static void vmmouse_data(VMMouseState *s, uint32_t *data, uint32_t size) @@ -154,7 +164,7 @@ static void vmmouse_data(VMMouseState *s, uint32_t *data, uint32_t size) if (size == 0 || size > 6 || size > s->nb_queue) { printf("vmmouse: driver requested too much data %d\n", size); s->status = 0xffff; - vmmouse_update_handler(s); + vmmouse_remove_handler(s); return; } @@ -239,7 +249,8 @@ static int vmmouse_post_load(void *opaque, int version_id) { VMMouseState *s = opaque; - vmmouse_update_handler(s); + vmmouse_remove_handler(s); + vmmouse_update_handler(s, s->absolute); return 0; } |