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msmouse: switch to new input interface

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1467625375-31774-4-git-send-email-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2016-07-04 11:42:54 +02:00
parent 57a4e3b92b
commit 96d7c0720e
1 changed files with 56 additions and 12 deletions
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68
backends/msmouse.c
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@ -25,13 +25,16 @@
#include "qemu-common.h"
#include "sysemu/char.h"
#include "ui/console.h"
#include "ui/input.h"
#define MSMOUSE_LO6(n) ((n) & 0x3f)
#define MSMOUSE_HI2(n) (((n) & 0xc0) >> 6)
typedef struct {
CharDriverState *chr;
QEMUPutMouseEntry *entry;
QemuInputHandlerState *hs;
int axis[INPUT_AXIS__MAX];
bool btns[INPUT_BUTTON__MAX];
uint8_t outbuf[32];
int outlen;
} MouseState;
@ -56,12 +59,16 @@ static void msmouse_chr_accept_input(CharDriverState *chr)
}
}
static void msmouse_event(void *opaque,
int dx, int dy, int dz, int buttons_state)
static void msmouse_queue_event(MouseState *mouse)
{
CharDriverState *chr = (CharDriverState *)opaque;
MouseState *mouse = chr->opaque;
unsigned char bytes[4] = { 0x40, 0x00, 0x00, 0x00 };
int dx, dy;
dx = mouse->axis[INPUT_AXIS_X];
mouse->axis[INPUT_AXIS_X] = 0;
dy = mouse->axis[INPUT_AXIS_Y];
mouse->axis[INPUT_AXIS_Y] = 0;
/* Movement deltas */
bytes[0] |= (MSMOUSE_HI2(dy) << 2) | MSMOUSE_HI2(dx);
@ -69,9 +76,9 @@ static void msmouse_event(void *opaque,
bytes[2] |= MSMOUSE_LO6(dy);
/* Buttons */
bytes[0] |= (buttons_state & 0x01 ? 0x20 : 0x00);
bytes[0] |= (buttons_state & 0x02 ? 0x10 : 0x00);
bytes[3] |= (buttons_state & 0x04 ? 0x20 : 0x00);
bytes[0] |= (mouse->btns[INPUT_BUTTON_LEFT] ? 0x20 : 0x00);
bytes[0] |= (mouse->btns[INPUT_BUTTON_RIGHT] ? 0x10 : 0x00);
bytes[3] |= (mouse->btns[INPUT_BUTTON_MIDDLE] ? 0x20 : 0x00);
if (mouse->outlen <= sizeof(mouse->outbuf) - 4) {
/* We always send the packet of, so that we do not have to keep track
@ -82,8 +89,38 @@ static void msmouse_event(void *opaque,
} else {
/* queue full -> drop event */
}
}
msmouse_chr_accept_input(chr);
static void msmouse_input_event(DeviceState *dev, QemuConsole *src,
InputEvent *evt)
{
MouseState *mouse = (MouseState *)dev;
InputMoveEvent *move;
InputBtnEvent *btn;
switch (evt->type) {
case INPUT_EVENT_KIND_REL:
move = evt->u.rel.data;
mouse->axis[move->axis] += move->value;
break;
case INPUT_EVENT_KIND_BTN:
btn = evt->u.btn.data;
mouse->btns[btn->button] = btn->down;
break;
default:
/* keep gcc happy */
break;
}
}
static void msmouse_input_sync(DeviceState *dev)
{
MouseState *mouse = (MouseState *)dev;
msmouse_queue_event(mouse);
msmouse_chr_accept_input(mouse->chr);
}
static int msmouse_chr_write (struct CharDriverState *s, const uint8_t *buf, int len)
@ -96,11 +133,18 @@ static void msmouse_chr_close (struct CharDriverState *chr)
{
MouseState *mouse = chr->opaque;
qemu_remove_mouse_event_handler(mouse->entry);
qemu_input_handler_unregister(mouse->hs);
g_free(mouse);
g_free(chr);
}
static QemuInputHandler msmouse_handler = {
.name = "QEMU Microsoft Mouse",
.mask = INPUT_EVENT_MASK_BTN | INPUT_EVENT_MASK_REL,
.event = msmouse_input_event,
.sync = msmouse_input_sync,
};
static CharDriverState *qemu_chr_open_msmouse(const char *id,
ChardevBackend *backend,
ChardevReturn *ret,
@ -117,8 +161,8 @@ static CharDriverState *qemu_chr_open_msmouse(const char *id,
chr->explicit_be_open = true;
mouse = g_new0(MouseState, 1);
mouse->entry = qemu_add_mouse_event_handler(msmouse_event, chr, 0,
"QEMU Microsoft Mouse");
mouse->hs = qemu_input_handler_register((DeviceState *)mouse,
&msmouse_handler);
mouse->chr = chr;
chr->opaque = mouse;