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hw/i386/vmmouse:add relative packet flag for button status 

The buttons value use macros instead of direct numbers.

If request relative mode, have to add this for
guest vmmouse driver to judge this is a relative packet.
otherwise,vmmouse driver will not match
the condition 'status & VMMOUSE_RELATIVE_PACKET',
and can't report events on the correct(relative) input device,
result to relative mode unuseful.

Signed-off-by: Zongmin Zhou<zhouzongmin@kylinos.cn>
Message-ID: <20230413081526.2229916-1-zhouzongmin@kylinos.cn>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
master
Zongmin Zhou 2023-04-13 16:15:26 +08:00 committed by Marc-André Lureau
parent 8a64609eea
commit fdd649538e
1 changed files with 12 additions and 3 deletions
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15
hw/i386/vmmouse.c
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@ -44,6 +44,12 @@
#define VMMOUSE_VERSION 0x3442554a
#define VMMOUSE_RELATIVE_PACKET 0x00010000
#define VMMOUSE_LEFT_BUTTON 0x20
#define VMMOUSE_RIGHT_BUTTON 0x10
#define VMMOUSE_MIDDLE_BUTTON 0x08
#ifdef DEBUG_VMMOUSE
#define DPRINTF(fmt, ...) printf(fmt, ## __VA_ARGS__)
#else
@ -103,15 +109,18 @@ static void vmmouse_mouse_event(void *opaque, int x, int y, int dz, int buttons_
x, y, dz, buttons_state);
if ((buttons_state & MOUSE_EVENT_LBUTTON))
buttons |= 0x20;
buttons |= VMMOUSE_LEFT_BUTTON;
if ((buttons_state & MOUSE_EVENT_RBUTTON))
buttons |= 0x10;
buttons |= VMMOUSE_RIGHT_BUTTON;
if ((buttons_state & MOUSE_EVENT_MBUTTON))
buttons |= 0x08;
buttons |= VMMOUSE_MIDDLE_BUTTON;
if (s->absolute) {
x <<= 1;
y <<= 1;
} else{
/* add for guest vmmouse driver to judge this is a relative packet. */
buttons |= VMMOUSE_RELATIVE_PACKET;
}
s->queue[s->nb_queue++] = buttons;