Commit cde8dcbc authored by Gerd Hoffmann's avatar Gerd Hoffmann

msmouse: add MouseState, unregister handler on close

Add struct to track serial mouse state.  Store mouse event handler
there.  Unregister properly on chardev close.
Signed-off-by: 's avatarGerd Hoffmann <>
Acked-by: 's avatarPaolo Bonzini <>
parent f1ef5578
......@@ -29,6 +29,11 @@
#define MSMOUSE_LO6(n) ((n) & 0x3f)
#define MSMOUSE_HI2(n) (((n) & 0xc0) >> 6)
typedef struct {
CharDriverState *chr;
QEMUPutMouseEntry *entry;
} MouseState;
static void msmouse_event(void *opaque,
int dx, int dy, int dz, int buttons_state)
......@@ -60,7 +65,11 @@ static int msmouse_chr_write (struct CharDriverState *s, const uint8_t *buf, int
static void msmouse_chr_close (struct CharDriverState *chr)
g_free (chr);
MouseState *mouse = chr->opaque;
static CharDriverState *qemu_chr_open_msmouse(const char *id,
......@@ -69,17 +78,20 @@ static CharDriverState *qemu_chr_open_msmouse(const char *id,
Error **errp)
ChardevCommon *common = backend->;
MouseState *mouse;
CharDriverState *chr;
chr = qemu_chr_alloc(common, errp);
if (!chr) {
return NULL;
chr->chr_write = msmouse_chr_write;
chr->chr_close = msmouse_chr_close;
chr->explicit_be_open = true;
qemu_add_mouse_event_handler(msmouse_event, chr, 0, "QEMU Microsoft Mouse");
mouse = g_new0(MouseState, 1);
mouse->entry = qemu_add_mouse_event_handler(msmouse_event, chr, 0,
"QEMU Microsoft Mouse");
mouse->chr = chr;
chr->opaque = mouse;
return chr;
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