void slavio_serial_ms_kbd_init(target_phys_addr_t base, qemu_irq irq,
int disabled)
{
int slavio_serial_io_memory, i;
SerialState *s;
s = qemu_mallocz(sizeof(SerialState));
if (!s)
return;
for (i = 0; i < 2; i++) {
s->chn[i].irq = irq;
s->chn[i].chn = 1 - i;
s->chn[i].chr = NULL;
}
s->chn[0].otherchn = &s->chn[1];
s->chn[1].otherchn = &s->chn[0];
s->chn[0].type = mouse;
s->chn[1].type = kbd;
s->chn[0].disabled = disabled;
s->chn[1].disabled = disabled;
slavio_serial_io_memory = cpu_register_io_memory(0, slavio_serial_mem_read,
slavio_serial_mem_write,
s);
cpu_register_physical_memory(base, SERIAL_SIZE, slavio_serial_io_memory);
qemu_add_mouse_event_handler(sunmouse_event, &s->chn[0], 0,
"QEMU Sun Mouse");
qemu_add_kbd_event_handler(sunkbd_event, &s->chn[1]);
register_savevm("slavio_serial_mouse", base, 2, slavio_serial_save,
slavio_serial_load, s);
qemu_register_reset(slavio_serial_reset, s);
slavio_serial_reset(s);
}
static int usb_wacom_poll(USBWacomState *s, uint8_t *buf, int len)
{
int b;
if (!s->mouse_grabbed) {
s->eh_entry = qemu_add_mouse_event_handler(usb_wacom_event, s, 1,
//"QEMU PenPartner tablet");
"DELL PenPartner tablet");
s->mouse_grabbed = 1;
}
b = 0;
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
b |= 0x01;
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
b |= 0x02;
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
b |= 0x04;
if (len < 7)
return 0;
buf[0] = s->mode;
buf[5] = 0x00;
if (b) {
buf[1] = s->x & 0xff;
buf[2] = s->x >> 8;
buf[3] = s->y & 0xff;
buf[4] = s->y >> 8;
buf[6] = 0;
} else {
static int usb_tablet_poll(USBHIDState *hs, uint8_t *buf, int len)
{
int dz, b, l;
USBMouseState *s = &hs->ptr;
if (!s->mouse_grabbed) {
s->eh_entry = qemu_add_mouse_event_handler(usb_tablet_event, hs,
1, "QEMU USB Tablet");
s->mouse_grabbed = 1;
}
dz = int_clamp(s->dz, -128, 127);
s->dz -= dz;
/* Appears we have to invert the wheel direction */
dz = 0 - dz;
b = 0;
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
b |= 0x01;
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
b |= 0x02;
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
b |= 0x04;
buf[0] = b;
buf[1] = s->x & 0xff;
buf[2] = s->x >> 8;
buf[3] = s->y & 0xff;
buf[4] = s->y >> 8;
buf[5] = dz;
l = 6;
return l;
}
static void usb_mouse_handle_destroy(USBDevice *dev)
{
USBMouseState *s = (USBMouseState *)dev;
qemu_add_mouse_event_handler(NULL, NULL, 0);
free(s);
}
/* Register a QEMU graphical console, and key/mouse handler,
* connecting up their events to the frontend */
static int xenfb_register_console(struct xenfb *xenfb) {
/* Register our keyboard & mouse handlers */
qemu_add_kbd_event_handler(xenfb_key_event, xenfb);
qemu_add_mouse_event_handler(xenfb_mouse_event, xenfb,
xenfb->abs_pointer_wanted,
"Xen PVFB Mouse");
/* Tell QEMU to allocate a graphical console */
graphic_console_init(xenfb->ds,
xenfb_update,
xenfb_invalidate,
xenfb_screen_dump,
xenfb);
if (xenfb->ds->dpy_resize_shared)
dpy_resize_shared(xenfb->ds, xenfb->width, xenfb->height, xenfb->depth, xenfb->row_stride, xenfb->pixels + xenfb->offset);
else
dpy_resize(xenfb->ds, xenfb->width, xenfb->height);
if (qemu_set_fd_handler2(xc_evtchn_fd(xenfb->evt_xch), NULL, xenfb_dispatch_channel, NULL, xenfb) < 0)
return -1;
if (qemu_set_fd_handler2(xs_fileno(xenfb->xsh), NULL, xenfb_dispatch_store, NULL, xenfb) < 0)
return -1;
fprintf(stderr, "Xen Framebuffer registered\n");
return 0;
}
void slavio_serial_ms_kbd_init(int base, int irq)
{
int slavio_serial_io_memory, i;
SerialState *s;
s = qemu_mallocz(sizeof(SerialState));
if (!s)
return;
for (i = 0; i < 2; i++) {
s->chn[i].irq = irq;
s->chn[i].chn = 1 - i;
s->chn[i].chr = NULL;
}
s->chn[0].otherchn = &s->chn[1];
s->chn[1].otherchn = &s->chn[0];
s->chn[0].type = mouse;
s->chn[1].type = kbd;
slavio_serial_io_memory = cpu_register_io_memory(0, slavio_serial_mem_read, slavio_serial_mem_write, s);
cpu_register_physical_memory(base, SERIAL_MAXADDR, slavio_serial_io_memory);
qemu_add_mouse_event_handler(sunmouse_event, &s->chn[0], 0, "QEMU Sun Mouse");
qemu_add_kbd_event_handler(sunkbd_event, &s->chn[1]);
qemu_register_reset(slavio_serial_reset, s);
slavio_serial_reset(s);
}
static int input_connect(struct XenDevice *xendev)
{
struct XenInput *in = container_of(xendev, struct XenInput, c.xendev);
int rc;
if (xenstore_read_fe_int(xendev, "request-abs-pointer",
&in->abs_pointer_wanted) == -1)
in->abs_pointer_wanted = 0;
if (!in->c.ds) {
char *vfb = xenstore_read_str(NULL, "device/vfb");
if (vfb == NULL) {
/* there is no vfb, run vkbd on its own */
in->c.ds = get_displaystate();
} else {
qemu_free(vfb);
xen_be_printf(xendev, 1, "ds not set (yet)\n");
return -1;
}
}
rc = common_bind(&in->c);
if (rc != 0)
return rc;
qemu_add_kbd_event_handler(xenfb_key_event, in);
in->qmouse = qemu_add_mouse_event_handler(xenfb_mouse_event, in,
in->abs_pointer_wanted,
"Xen PVFB Mouse");
return 0;
}
static int usb_mouse_poll(USBMouseState *s, uint8_t *buf, int len)
{
int dx, dy, dz, b, l;
if (!s->mouse_grabbed) {
qemu_add_mouse_event_handler(usb_mouse_event, s, 0);
s->mouse_grabbed = 1;
}
dx = int_clamp(s->dx, -128, 127);
dy = int_clamp(s->dy, -128, 127);
dz = int_clamp(s->dz, -128, 127);
s->dx -= dx;
s->dy -= dy;
s->dz -= dz;
b = 0;
if (s->buttons_state & MOUSE_EVENT_LBUTTON)
b |= 0x01;
if (s->buttons_state & MOUSE_EVENT_RBUTTON)
b |= 0x02;
if (s->buttons_state & MOUSE_EVENT_MBUTTON)
b |= 0x04;
buf[0] = b;
buf[1] = dx;
buf[2] = dy;
l = 3;
if (len >= 4) {
buf[3] = dz;
l = 4;
}
return l;
}
static void adb_mouse_realizefn(DeviceState *dev, Error **errp)
{
MouseState *s = ADB_MOUSE(dev);
ADBMouseClass *amc = ADB_MOUSE_GET_CLASS(dev);
amc->parent_realize(dev, errp);
qemu_add_mouse_event_handler(adb_mouse_event, s, 0, "QEMU ADB Mouse");
}
static void vmmouse_update_handler(VMMouseState *s)
{
if (s->entry) {
qemu_remove_mouse_event_handler(s->entry);
s->entry = NULL;
}
if (s->status == 0)
s->entry = qemu_add_mouse_event_handler(vmmouse_mouse_event,
s, s->absolute,
"vmmouse");
}
void adb_mouse_init(ADBBusState *bus)
{
ADBDevice *d;
MouseState *s;
s = g_malloc0(sizeof(MouseState));
d = adb_register_device(bus, ADB_MOUSE, adb_mouse_request,
adb_mouse_reset, s);
qemu_add_mouse_event_handler(adb_mouse_event, d, 0, "QEMU ADB Mouse");
vmstate_register(NULL, -1, &vmstate_adb_mouse, s);
}
void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg)
{
PS2MouseState *s = (PS2MouseState *)qemu_mallocz(sizeof(PS2MouseState));
s->common.update_irq = update_irq;
s->common.update_arg = update_arg;
vmstate_register(NULL, 0, &vmstate_ps2_mouse, s);
qemu_add_mouse_event_handler(ps2_mouse_event, s, 0, "QEMU PS/2 Mouse");
qemu_register_reset(ps2_mouse_reset, s);
return s;
}
void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg)
{
PS2MouseState *s = (PS2MouseState *)qemu_mallocz(sizeof(PS2MouseState));
s->common.update_irq = update_irq;
s->common.update_arg = update_arg;
ps2_reset(&s->common);
register_savevm("ps2mouse", 0, 2, ps2_mouse_save, ps2_mouse_load, s);
qemu_add_mouse_event_handler(ps2_mouse_event, s, 0, "QEMU PS/2 Mouse");
qemu_register_reset(ps2_reset, &s->common);
return s;
}
int qemu_chr_open_msmouse(QemuOpts *opts, CharDriverState **_chr)
{
CharDriverState *chr;
chr = g_malloc0(sizeof(CharDriverState));
chr->chr_write = msmouse_chr_write;
chr->chr_close = msmouse_chr_close;
qemu_add_mouse_event_handler(msmouse_event, chr, 0, "QEMU Microsoft Mouse");
*_chr = chr;
return 0;
}
static CharDriverState *qemu_chr_open_msmouse(const char *id,
ChardevBackend *backend,
ChardevReturn *ret,
Error **errp)
{
CharDriverState *chr;
chr = qemu_chr_alloc();
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");
return chr;
}
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 input_connected(struct XenDevice *xendev)
{
struct XenInput *in = container_of(xendev, struct XenInput, c.xendev);
if (xenstore_read_fe_int(xendev, "request-abs-pointer",
&in->abs_pointer_wanted) == -1) {
in->abs_pointer_wanted = 0;
}
if (in->qmouse) {
qemu_remove_mouse_event_handler(in->qmouse);
}
in->qmouse = qemu_add_mouse_event_handler(xenfb_mouse_event, in,
in->abs_pointer_wanted,
"Xen PVFB Mouse");
}
static int input_connect(struct XenDevice *xendev)
{
struct XenInput *in = container_of(xendev, struct XenInput, c.xendev);
int rc;
if (xenstore_read_fe_int(xendev, "request-abs-pointer",
&in->abs_pointer_wanted) == -1)
in->abs_pointer_wanted = 0;
rc = common_bind(&in->c);
if (rc != 0)
return rc;
qemu_add_kbd_event_handler(xenfb_key_event, in);
in->qmouse = qemu_add_mouse_event_handler(xenfb_mouse_event, in,
in->abs_pointer_wanted,
"Xen PVFB Mouse");
return 0;
}
void events_dev_init(uint32_t base, qemu_irq irq)
{
events_state *s;
int iomemtype;
AndroidHwConfig* config = android_hw;
s = (events_state *) qemu_mallocz(sizeof(events_state));
/* now set the events capability bits depending on hardware configuration */
/* apparently, the EV_SYN array is used to indicate which other
* event classes to consider.
*/
/* configure EV_KEY array
*
* All Android devices must have the following keys:
* KEY_HOME, KEY_BACK, KEY_SEND (Call), KEY_END (EndCall),
* KEY_SOFT1 (Menu), VOLUME_UP, VOLUME_DOWN
*
* Note that previous models also had a KEY_SOFT2,
* and a KEY_POWER which we still support here.
*
* Newer models have a KEY_SEARCH key, which we always
* enable here.
*
* A Dpad will send: KEY_DOWN / UP / LEFT / RIGHT / CENTER
*
* The KEY_CAMERA button isn't very useful if there is no camera.
*
* BTN_MOUSE is sent when the trackball is pressed
* BTN_TOUCH is sent when the touchscreen is pressed
*/
events_set_bit (s, EV_SYN, EV_KEY );
events_set_bit(s, EV_KEY, KEY_HOME);
events_set_bit(s, EV_KEY, KEY_BACK);
events_set_bit(s, EV_KEY, KEY_SEND);
events_set_bit(s, EV_KEY, KEY_END);
events_set_bit(s, EV_KEY, KEY_SOFT1);
events_set_bit(s, EV_KEY, KEY_VOLUMEUP);
events_set_bit(s, EV_KEY, KEY_VOLUMEDOWN);
events_set_bit(s, EV_KEY, KEY_SOFT2);
events_set_bit(s, EV_KEY, KEY_POWER);
events_set_bit(s, EV_KEY, KEY_SEARCH);
if (config->hw_dPad) {
events_set_bit(s, EV_KEY, KEY_DOWN);
events_set_bit(s, EV_KEY, KEY_UP);
events_set_bit(s, EV_KEY, KEY_LEFT);
events_set_bit(s, EV_KEY, KEY_RIGHT);
events_set_bit(s, EV_KEY, KEY_CENTER);
}
if (config->hw_trackBall) {
events_set_bit(s, EV_KEY, BTN_MOUSE);
}
if (androidHwConfig_isScreenTouch(config)) {
events_set_bit(s, EV_KEY, BTN_TOUCH);
}
if (strcmp(config->hw_camera_back, "none") ||
strcmp(config->hw_camera_front, "none")) {
/* Camera emulation is enabled. */
events_set_bit(s, EV_KEY, KEY_CAMERA);
}
if (config->hw_keyboard) {
/* since we want to implement Unicode reverse-mapping
* allow any kind of key, even those not available on
* the skin.
*
* the previous code did set the [1..0x1ff] range, but
* we don't want to enable certain bits in the middle
* of the range that are registered for mouse/trackball/joystick
* events.
*
* see "linux_keycodes.h" for the list of events codes.
*/
events_set_bits(s, EV_KEY, 1, 0xff);
events_set_bits(s, EV_KEY, 0x160, 0x1ff);
/* If there is a keyboard, but no DPad, we need to clear the
* corresponding bits. Doing this is simpler than trying to exclude
* the DPad values from the ranges above.
*/
if (!config->hw_dPad) {
events_clr_bit(s, EV_KEY, KEY_DOWN);
events_clr_bit(s, EV_KEY, KEY_UP);
events_clr_bit(s, EV_KEY, KEY_LEFT);
events_clr_bit(s, EV_KEY, KEY_RIGHT);
events_clr_bit(s, EV_KEY, KEY_CENTER);
}
}
/* configure EV_REL array
*
* EV_REL events are sent when the trackball is moved
*/
if (config->hw_trackBall) {
events_set_bit (s, EV_SYN, EV_REL );
events_set_bits(s, EV_REL, REL_X, REL_Y);
}
/* configure EV_ABS array.
*
* EV_ABS events are sent when the touchscreen is pressed
*/
if (!androidHwConfig_isScreenNoTouch(config)) {
ABSEntry* abs_values;
events_set_bit (s, EV_SYN, EV_ABS );
events_set_bits(s, EV_ABS, ABS_X, ABS_Z);
/* Allocate the absinfo to report the min/max bounds for each
* absolute dimension. The array must contain 3, or ABS_MAX tuples
* of (min,max,fuzz,flat) 32-bit values.
*
* min and max are the bounds
* fuzz corresponds to the device's fuziness, we set it to 0
* flat corresponds to the flat position for JOEYDEV devices,
* we also set it to 0.
*
* There is no need to save/restore this array in a snapshot
* since the values only depend on the hardware configuration.
*/
s->abs_info_count = androidHwConfig_isScreenMultiTouch(config) ? ABS_MAX * 4 : 3 * 4;
const int abs_size = sizeof(uint32_t) * s->abs_info_count;
s->abs_info = malloc(abs_size);
memset(s->abs_info, 0, abs_size);
abs_values = (ABSEntry*)s->abs_info;
abs_values[ABS_X].max = config->hw_lcd_width-1;
abs_values[ABS_Y].max = config->hw_lcd_height-1;
abs_values[ABS_Z].max = 1;
if (androidHwConfig_isScreenMultiTouch(config)) {
/*
* Setup multitouch.
*/
events_set_bit(s, EV_ABS, ABS_MT_SLOT);
events_set_bit(s, EV_ABS, ABS_MT_POSITION_X);
events_set_bit(s, EV_ABS, ABS_MT_POSITION_Y);
events_set_bit(s, EV_ABS, ABS_MT_TRACKING_ID);
events_set_bit(s, EV_ABS, ABS_MT_TOUCH_MAJOR);
events_set_bit(s, EV_ABS, ABS_MT_PRESSURE);
abs_values[ABS_MT_SLOT].max = multitouch_get_max_slot();
abs_values[ABS_MT_TRACKING_ID].max = abs_values[ABS_MT_SLOT].max + 1;
abs_values[ABS_MT_POSITION_X].max = abs_values[ABS_X].max;
abs_values[ABS_MT_POSITION_Y].max = abs_values[ABS_Y].max;
abs_values[ABS_MT_TOUCH_MAJOR].max = 0x7fffffff; // TODO: Make it less random
abs_values[ABS_MT_PRESSURE].max = 0x100; // TODO: Make it less random
}
}
/* configure EV_SW array
*
* EV_SW events are sent to indicate that the keyboard lid
* was closed or opened (done when we switch layouts through
* KP-7 or KP-9).
*
* We only support this when hw.keyboard.lid is true.
*/
if (config->hw_keyboard && config->hw_keyboard_lid) {
events_set_bit(s, EV_SYN, EV_SW);
events_set_bit(s, EV_SW, 0);
}
iomemtype = cpu_register_io_memory(events_readfn, events_writefn, s);
cpu_register_physical_memory(base, 0xfff, iomemtype);
qemu_add_kbd_event_handler(events_put_keycode, s);
qemu_add_mouse_event_handler(events_put_mouse, s, 1, "goldfish-events");
s->base = base;
s->irq = irq;
s->first = 0;
s->last = 0;
s->state = STATE_INIT;
s->name = qemu_strdup(config->hw_keyboard_charmap);
/* This function migh fire buffered events to the device, so
* ensure that it is called after initialization is complete
*/
user_event_register_generic(s, events_put_generic);
register_savevm( "events_state", 0, EVENTS_STATE_SAVE_VERSION,
events_state_save, events_state_load, s );
}
void events_dev_init(uint32_t base, qemu_irq irq)
{
events_state *s;
int iomemtype;
AndroidHwConfig* config = android_hw;
s = (events_state *) qemu_mallocz(sizeof(events_state));
s->name = android_skin_keycharmap;
/* now set the events capability bits depending on hardware configuration */
/* apparently, the EV_SYN array is used to indicate which other
* event classes to consider.
*/
/* configure EV_KEY array
*
* All Android devices must have the following keys:
* KEY_HOME, KEY_BACK, KEY_SEND (Call), KEY_END (EndCall),
* KEY_SOFT1 (Menu), VOLUME_UP, VOLUME_DOWN
*
* Note that previous models also had a KEY_SOFT2,
* and a KEY_POWER which we still support here.
*
* Newer models have a KEY_SEARCH key, which we always
* enable here.
*
* A Dpad will send: KEY_DOWN / UP / LEFT / RIGHT / CENTER
*
* The KEY_CAMERA button isn't very useful if there is no camera.
*
* BTN_MOUSE is sent when the trackball is pressed
* BTN_TOUCH is sent when the touchscreen is pressed
*/
events_set_bit (s, EV_SYN, EV_KEY );
events_set_bit(s, EV_KEY, KEY_HOME);
events_set_bit(s, EV_KEY, KEY_BACK);
events_set_bit(s, EV_KEY, KEY_SEND);
events_set_bit(s, EV_KEY, KEY_END);
events_set_bit(s, EV_KEY, KEY_SOFT1);
events_set_bit(s, EV_KEY, KEY_VOLUMEUP);
events_set_bit(s, EV_KEY, KEY_VOLUMEDOWN);
events_set_bit(s, EV_KEY, KEY_SOFT2);
events_set_bit(s, EV_KEY, KEY_POWER);
events_set_bit(s, EV_KEY, KEY_SEARCH);
if (config->hw_dPad) {
events_set_bit(s, EV_KEY, KEY_DOWN);
events_set_bit(s, EV_KEY, KEY_UP);
events_set_bit(s, EV_KEY, KEY_LEFT);
events_set_bit(s, EV_KEY, KEY_RIGHT);
events_set_bit(s, EV_KEY, KEY_CENTER);
}
if (config->hw_trackBall) {
events_set_bit(s, EV_KEY, BTN_MOUSE);
}
if (config->hw_touchScreen) {
events_set_bit(s, EV_KEY, BTN_TOUCH);
}
if (config->hw_camera) {
events_set_bit(s, EV_KEY, KEY_CAMERA);
}
if (config->hw_keyboard) {
/* since we want to implement Unicode reverse-mapping
* allow any kind of key, even those not available on
* the skin.
*
* the previous code did set the [1..0x1ff] range, but
* we don't want to enable certain bits in the middle
* of the range that are registered for mouse/trackball/joystick
* events.
*
* see "linux_keycodes.h" for the list of events codes.
*/
events_set_bits(s, EV_KEY, 1, 0xff);
events_set_bits(s, EV_KEY, 0x160, 0x1ff);
}
/* configure EV_REL array
*
* EV_REL events are sent when the trackball is moved
*/
if (config->hw_trackBall) {
events_set_bit (s, EV_SYN, EV_REL );
events_set_bits(s, EV_REL, REL_X, REL_Y);
}
/* configure EV_ABS array.
*
* EV_ABS events are sent when the touchscreen is pressed
*/
if (config->hw_touchScreen) {
events_set_bit (s, EV_SYN, EV_ABS );
events_set_bits(s, EV_ABS, ABS_X, ABS_Z);
}
/* configure EV_SW array
*
* EW_SW events are sent to indicate that the keyboard lid
* was closed or opened (done when we switch layouts through
* KP-7 or KP-9).
*
* We only support this when there is a real keyboard, which
* we assume can be hidden/revealed.
*/
if (config->hw_keyboard) {
events_set_bit(s, EV_SYN, EV_SW);
events_set_bit(s, EV_SW, 0);
}
iomemtype = cpu_register_io_memory(events_readfn, events_writefn, s);
cpu_register_physical_memory(base, 0xfff, iomemtype);
qemu_add_kbd_event_handler(events_put_keycode, s);
qemu_add_mouse_event_handler(events_put_mouse, s, 1, "goldfish-events");
user_event_register_generic(s, events_put_generic);
s->base = base;
s->irq = irq;
s->first = 0;
s->last = 0;
register_savevm( "events_state", 0, EVENTS_STATE_SAVE_VERSION,
events_state_save, events_state_load, s );
}
static int usb_pointer_poll(USBHIDState *hs, uint8_t *buf, int len)
{
int dx, dy, dz, b, l;
USBPointerState *s = &hs->ptr;
USBPointerEvent *e;
if (usb_suppress_report(hs, s->head == s->tail))
return USB_RET_NAK;
if (!s->mouse_grabbed) {
s->eh_entry = qemu_add_mouse_event_handler(usb_pointer_event, hs,
!s->xyrel, "QEMU USB Pointer");
s->mouse_grabbed = 1;
}
if (s->head == s->tail)
/* use the last report */
s->head = (s->head - 1) & QUEUEINDEXMASK;
e = &s->queue[s->head];
dz = int_clamp(e->dz, -127, 127);
if (s->xyrel) {
dx = int_clamp(e->xdx, -127, 127);
dy = int_clamp(e->ydy, -127, 127);
e->xdx -= dx;
e->ydy -= dy;
} else {
dx = e->xdx;
dy = e->ydy;
}
/* Appears we have to invert the wheel direction */
dz = 0 - dz;
if (!(e->dz ||
(s->xyrel && (e->xdx || e->ydy)))) {
/* that deals with this event */
QUEUE_INCR(s->head);
}
b = 0;
if (e->buttons_state & MOUSE_EVENT_LBUTTON)
b |= 0x01;
if (e->buttons_state & MOUSE_EVENT_RBUTTON)
b |= 0x02;
if (e->buttons_state & MOUSE_EVENT_MBUTTON)
b |= 0x04;
switch (hs->kind) {
case USB_MOUSE:
l = 0;
if (len > l)
buf[l ++] = b;
if (len > l)
buf[l ++] = dx;
if (len > l)
buf[l ++] = dy;
if (len > l)
buf[l ++] = dz;
break;
case USB_TABLET:
/* Appears we have to invert the wheel direction */
dz = 0 - dz;
buf[0] = b;
buf[1] = dx & 0xff;
buf[2] = dx >> 8;
buf[3] = dy & 0xff;
buf[4] = dy >> 8;
buf[5] = dz;
l = 6;
break;
default:
abort();
}
return l;
}