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xenocara/xserver/hw/xwayland/xwayland-input.c
matthieu 1a66cad3fb Update to xserver 1.19.5. 
Tested by bru@, jsg@ and others
2017-12-08 15:01:59 +00:00

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/*
* Copyright © 2014 Intel Corporation
* Copyright © 2008 Kristian Høgsberg
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of the
* copyright holders not be used in advertising or publicity
* pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#include "xwayland.h"
#include <linux/input.h>
#include <sys/mman.h>
#include <xkbsrv.h>
#include <xserver-properties.h>
#include <inpututils.h>
#include <mipointer.h>
#include <mipointrst.h>
/* Copied from mipointer.c */
#define MIPOINTER(dev) \
(IsFloating(dev) ? \
(miPointerPtr)dixLookupPrivate(&(dev)->devPrivates, miPointerPrivKey): \
(miPointerPtr)dixLookupPrivate(&(GetMaster(dev, MASTER_POINTER))->devPrivates, miPointerPrivKey))
struct sync_pending {
struct xorg_list l;
DeviceIntPtr pending_dev;
};
static void
xwl_pointer_warp_emulator_handle_motion(struct xwl_pointer_warp_emulator *warp_emulator,
double dx,
double dy,
double dx_unaccel,
double dy_unaccel);
static void
xwl_pointer_warp_emulator_maybe_lock(struct xwl_pointer_warp_emulator *warp_emulator,
struct xwl_window *xwl_window,
SpritePtr sprite,
int x, int y);
static void
xwl_seat_destroy_confined_pointer(struct xwl_seat *xwl_seat);
static void
xwl_pointer_control(DeviceIntPtr device, PtrCtrl *ctrl)
{
/* Nothing to do, dix handles all settings */
}
static Bool
init_pointer_buttons(DeviceIntPtr device)
{
#define NBUTTONS 10
BYTE map[NBUTTONS + 1];
int i = 0;
Atom btn_labels[NBUTTONS] = { 0 };
for (i = 1; i <= NBUTTONS; i++)
map[i] = i;
btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);
btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);
btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);
btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP);
btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN);
btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT);
btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT);
/* don't know about the rest */
if (!InitButtonClassDeviceStruct(device, NBUTTONS, btn_labels, map))
return FALSE;
return TRUE;
}
static int
xwl_pointer_proc(DeviceIntPtr device, int what)
{
#define NAXES 4
Atom axes_labels[NAXES] = { 0 };
switch (what) {
case DEVICE_INIT:
device->public.on = FALSE;
if (!init_pointer_buttons(device))
return BadValue;
axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_ABS_X);
axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_ABS_Y);
axes_labels[2] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_HWHEEL);
axes_labels[3] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_WHEEL);
if (!InitValuatorClassDeviceStruct(device, NAXES, axes_labels,
GetMotionHistorySize(), Absolute))
return BadValue;
/* Valuators */
InitValuatorAxisStruct(device, 0, axes_labels[0],
0, 0xFFFF, 10000, 0, 10000, Absolute);
InitValuatorAxisStruct(device, 1, axes_labels[1],
0, 0xFFFF, 10000, 0, 10000, Absolute);
InitValuatorAxisStruct(device, 2, axes_labels[2],
NO_AXIS_LIMITS, NO_AXIS_LIMITS, 0, 0, 0, Relative);
InitValuatorAxisStruct(device, 3, axes_labels[3],
NO_AXIS_LIMITS, NO_AXIS_LIMITS, 0, 0, 0, Relative);
SetScrollValuator(device, 2, SCROLL_TYPE_HORIZONTAL, 1.0, SCROLL_FLAG_NONE);
SetScrollValuator(device, 3, SCROLL_TYPE_VERTICAL, 1.0, SCROLL_FLAG_PREFERRED);
if (!InitPtrFeedbackClassDeviceStruct(device, xwl_pointer_control))
return BadValue;
return Success;
case DEVICE_ON:
device->public.on = TRUE;
return Success;
case DEVICE_OFF:
case DEVICE_CLOSE:
device->public.on = FALSE;
return Success;
}
return BadMatch;
#undef NBUTTONS
#undef NAXES
}
static int
xwl_pointer_proc_relative(DeviceIntPtr device, int what)
{
#define NAXES 2
Atom axes_labels[NAXES] = { 0 };
switch (what) {
case DEVICE_INIT:
device->public.on = FALSE;
axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X);
axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y);
/*
* We'll never send buttons, but XGetPointerMapping might in certain
* situations make the client think we have no buttons.
*/
if (!init_pointer_buttons(device))
return BadValue;
if (!InitValuatorClassDeviceStruct(device, NAXES, axes_labels,
GetMotionHistorySize(), Relative))
return BadValue;
/* Valuators */
InitValuatorAxisStruct(device, 0, axes_labels[0],
NO_AXIS_LIMITS, NO_AXIS_LIMITS, 1, 0, 1, Relative);
InitValuatorAxisStruct(device, 1, axes_labels[1],
NO_AXIS_LIMITS, NO_AXIS_LIMITS, 1, 0, 1, Relative);
if (!InitPtrFeedbackClassDeviceStruct(device, xwl_pointer_control))
return BadValue;
return Success;
case DEVICE_ON:
device->public.on = TRUE;
return Success;
case DEVICE_OFF:
case DEVICE_CLOSE:
device->public.on = FALSE;
return Success;
}
return BadMatch;
#undef NAXES
}
static void
xwl_keyboard_control(DeviceIntPtr device, KeybdCtrl *ctrl)
{
}
static int
xwl_keyboard_proc(DeviceIntPtr device, int what)
{
struct xwl_seat *xwl_seat = device->public.devicePrivate;
int len;
switch (what) {
case DEVICE_INIT:
device->public.on = FALSE;
if (xwl_seat->keymap)
len = strnlen(xwl_seat->keymap, xwl_seat->keymap_size);
else
len = 0;
if (!InitKeyboardDeviceStructFromString(device, xwl_seat->keymap,
len,
NULL, xwl_keyboard_control))
return BadValue;
return Success;
case DEVICE_ON:
device->public.on = TRUE;
return Success;
case DEVICE_OFF:
case DEVICE_CLOSE:
device->public.on = FALSE;
return Success;
}
return BadMatch;
}
static int
xwl_touch_proc(DeviceIntPtr device, int what)
{
#define NTOUCHPOINTS 20
#define NBUTTONS 1
#define NAXES 2
Atom btn_labels[NBUTTONS] = { 0 };
Atom axes_labels[NAXES] = { 0 };
BYTE map[NBUTTONS + 1] = { 0 };
switch (what) {
case DEVICE_INIT:
device->public.on = FALSE;
axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_ABS_MT_POSITION_X);
axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_ABS_MT_POSITION_Y);
if (!InitValuatorClassDeviceStruct(device, NAXES, axes_labels,
GetMotionHistorySize(), Absolute))
return BadValue;
if (!InitButtonClassDeviceStruct(device, NBUTTONS, btn_labels, map))
return BadValue;
if (!InitTouchClassDeviceStruct(device, NTOUCHPOINTS,
XIDirectTouch, NAXES))
return BadValue;
/* Valuators */
InitValuatorAxisStruct(device, 0, axes_labels[0],
0, 0xFFFF, 10000, 0, 10000, Absolute);
InitValuatorAxisStruct(device, 1, axes_labels[1],
0, 0xFFFF, 10000, 0, 10000, Absolute);
return Success;
case DEVICE_ON:
device->public.on = TRUE;
return Success;
case DEVICE_OFF:
case DEVICE_CLOSE:
device->public.on = FALSE;
return Success;
}
return BadMatch;
#undef NAXES
#undef NBUTTONS
#undef NTOUCHPOINTS
}
static void
pointer_handle_enter(void *data, struct wl_pointer *pointer,
uint32_t serial, struct wl_surface *surface,
wl_fixed_t sx_w, wl_fixed_t sy_w)
{
struct xwl_seat *xwl_seat = data;
DeviceIntPtr dev = xwl_seat->pointer;
DeviceIntPtr master;
int i;
int sx = wl_fixed_to_int(sx_w);
int sy = wl_fixed_to_int(sy_w);
int dx, dy;
ScreenPtr pScreen = xwl_seat->xwl_screen->screen;
ValuatorMask mask;
/* There's a race here where if we create and then immediately
* destroy a surface, we might end up in a state where the Wayland
* compositor sends us an event for a surface that doesn't exist.
*
* Don't process enter events in this case.
*/
if (surface == NULL)
return;
xwl_seat->xwl_screen->serial = serial;
xwl_seat->pointer_enter_serial = serial;
xwl_seat->focus_window = wl_surface_get_user_data(surface);
dx = xwl_seat->focus_window->window->drawable.x;
dy = xwl_seat->focus_window->window->drawable.y;
/* We just entered a new xwindow, forget about the old last xwindow */
xwl_seat->last_xwindow = NullWindow;
master = GetMaster(dev, POINTER_OR_FLOAT);
(*pScreen->SetCursorPosition) (dev, pScreen, dx + sx, dy + sy, TRUE);
miPointerInvalidateSprite(master);
CheckMotion(NULL, master);
/* Ideally, X clients shouldn't see these button releases. When
* the pointer leaves a window with buttons down, it means that
* the wayland compositor has grabbed the pointer. The button
* release event is consumed by whatever grab in the compositor
* and won't be sent to clients (the X server is a client).
* However, we need to reset X's idea of which buttons are up and
* down, and they're all up (by definition) when the pointer
* enters a window. We should figure out a way to swallow these
* events, perhaps using an X grab whenever the pointer is not in
* any X window, but for now just send the events. */
valuator_mask_zero(&mask);
for (i = 0; i < dev->button->numButtons; i++)
if (BitIsOn(dev->button->down, i))
QueuePointerEvents(dev, ButtonRelease, i, 0, &mask);
/* The last cursor frame we commited before the pointer left one
* of our surfaces might not have been shown. In that case we'll
* have a cursor surface frame callback pending which we need to
* clear so that we can continue submitting new cursor frames. */
if (xwl_seat->cursor_frame_cb) {
wl_callback_destroy(xwl_seat->cursor_frame_cb);
xwl_seat->cursor_frame_cb = NULL;
xwl_seat_set_cursor(xwl_seat);
}
if (xwl_seat->pointer_warp_emulator) {
xwl_pointer_warp_emulator_maybe_lock(xwl_seat->pointer_warp_emulator,
xwl_seat->focus_window,
NULL, 0, 0);
}
}
static void
pointer_handle_leave(void *data, struct wl_pointer *pointer,
uint32_t serial, struct wl_surface *surface)
{
struct xwl_seat *xwl_seat = data;
DeviceIntPtr dev = xwl_seat->pointer;
xwl_seat->xwl_screen->serial = serial;
/* The pointer has left a known xwindow, save it for a possible match
* in sprite_check_lost_focus()
*/
if (xwl_seat->focus_window) {
xwl_seat->last_xwindow = xwl_seat->focus_window->window;
xwl_seat->focus_window = NULL;
CheckMotion(NULL, GetMaster(dev, POINTER_OR_FLOAT));
}
}
static void
dispatch_pointer_motion_event(struct xwl_seat *xwl_seat)
{
ValuatorMask mask;
if (xwl_seat->pointer_warp_emulator &&
xwl_seat->pending_pointer_event.has_relative) {
double dx;
double dy;
double dx_unaccel;
double dy_unaccel;
dx = xwl_seat->pending_pointer_event.dx;
dy = xwl_seat->pending_pointer_event.dy;
dx_unaccel = xwl_seat->pending_pointer_event.dx_unaccel;
dy_unaccel = xwl_seat->pending_pointer_event.dy_unaccel;
xwl_pointer_warp_emulator_handle_motion(xwl_seat->pointer_warp_emulator,
dx, dy,
dx_unaccel, dy_unaccel);
} else if (xwl_seat->pending_pointer_event.has_absolute ||
xwl_seat->pending_pointer_event.has_relative) {
int x;
int y;
if (xwl_seat->pending_pointer_event.has_absolute) {
int sx = wl_fixed_to_int(xwl_seat->pending_pointer_event.x);
int sy = wl_fixed_to_int(xwl_seat->pending_pointer_event.y);
int dx = xwl_seat->focus_window->window->drawable.x;
int dy = xwl_seat->focus_window->window->drawable.y;
x = dx + sx;
y = dy + sy;
} else {
miPointerGetPosition(xwl_seat->pointer, &x, &y);
}
valuator_mask_zero(&mask);
if (xwl_seat->pending_pointer_event.has_relative) {
double dx_unaccel;
double dy_unaccel;
dx_unaccel = xwl_seat->pending_pointer_event.dx_unaccel;
dy_unaccel = xwl_seat->pending_pointer_event.dy_unaccel;
valuator_mask_set_absolute_unaccelerated(&mask, 0, x, dx_unaccel);
valuator_mask_set_absolute_unaccelerated(&mask, 1, y, dy_unaccel);
} else {
valuator_mask_set(&mask, 0, x);
valuator_mask_set(&mask, 1, y);
}
QueuePointerEvents(xwl_seat->pointer, MotionNotify, 0,
POINTER_ABSOLUTE | POINTER_SCREEN, &mask);
}
xwl_seat->pending_pointer_event.has_absolute = FALSE;
xwl_seat->pending_pointer_event.has_relative = FALSE;
}
static void
pointer_handle_motion(void *data, struct wl_pointer *pointer,
uint32_t time, wl_fixed_t sx_w, wl_fixed_t sy_w)
{
struct xwl_seat *xwl_seat = data;
if (!xwl_seat->focus_window)
return;
xwl_seat->pending_pointer_event.has_absolute = TRUE;
xwl_seat->pending_pointer_event.x = sx_w;
xwl_seat->pending_pointer_event.y = sy_w;
if (wl_proxy_get_version((struct wl_proxy *) xwl_seat->wl_pointer) < 5)
dispatch_pointer_motion_event(xwl_seat);
}
static void
pointer_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial,
uint32_t time, uint32_t button, uint32_t state)
{
struct xwl_seat *xwl_seat = data;
int index;
ValuatorMask mask;
xwl_seat->xwl_screen->serial = serial;
switch (button) {
case BTN_LEFT:
index = 1;
break;
case BTN_MIDDLE:
index = 2;
break;
case BTN_RIGHT:
index = 3;
break;
default:
/* Skip indexes 4-7: they are used for vertical and horizontal scroll.
The rest of the buttons go in order: BTN_SIDE becomes 8, etc. */
index = 8 + button - BTN_SIDE;
break;
}
valuator_mask_zero(&mask);
QueuePointerEvents(xwl_seat->pointer,
state ? ButtonPress : ButtonRelease, index, 0, &mask);
}
static void
pointer_handle_axis(void *data, struct wl_pointer *pointer,
uint32_t time, uint32_t axis, wl_fixed_t value)
{
struct xwl_seat *xwl_seat = data;
int index;
const int divisor = 10;
ValuatorMask mask;
switch (axis) {
case WL_POINTER_AXIS_VERTICAL_SCROLL:
index = 3;
break;
case WL_POINTER_AXIS_HORIZONTAL_SCROLL:
index = 2;
break;
default:
return;
}
valuator_mask_zero(&mask);
valuator_mask_set_double(&mask, index, wl_fixed_to_double(value) / divisor);
QueuePointerEvents(xwl_seat->pointer, MotionNotify, 0, POINTER_RELATIVE, &mask);
}
static void
pointer_handle_frame(void *data, struct wl_pointer *wl_pointer)
{
struct xwl_seat *xwl_seat = data;
if (!xwl_seat->focus_window)
return;
dispatch_pointer_motion_event(xwl_seat);
}
static void
pointer_handle_axis_source(void *data, struct wl_pointer *wl_pointer, uint32_t axis_source)
{
}
static void
pointer_handle_axis_stop(void *data, struct wl_pointer *wl_pointer,
uint32_t time, uint32_t axis)
{
}
static void
pointer_handle_axis_discrete(void *data, struct wl_pointer *wl_pointer,
uint32_t axis, int32_t discrete)
{
}
static const struct wl_pointer_listener pointer_listener = {
pointer_handle_enter,
pointer_handle_leave,
pointer_handle_motion,
pointer_handle_button,
pointer_handle_axis,
pointer_handle_frame,
pointer_handle_axis_source,
pointer_handle_axis_stop,
pointer_handle_axis_discrete,
};
static void
relative_pointer_handle_relative_motion(void *data,
struct zwp_relative_pointer_v1 *zwp_relative_pointer_v1,
uint32_t utime_hi,
uint32_t utime_lo,
wl_fixed_t dxf,
wl_fixed_t dyf,
wl_fixed_t dx_unaccelf,
wl_fixed_t dy_unaccelf)
{
struct xwl_seat *xwl_seat = data;
xwl_seat->pending_pointer_event.has_relative = TRUE;
xwl_seat->pending_pointer_event.dx = wl_fixed_to_double(dxf);
xwl_seat->pending_pointer_event.dy = wl_fixed_to_double(dyf);
xwl_seat->pending_pointer_event.dx_unaccel = wl_fixed_to_double(dx_unaccelf);
xwl_seat->pending_pointer_event.dy_unaccel = wl_fixed_to_double(dy_unaccelf);
if (!xwl_seat->focus_window)
return;
if (wl_proxy_get_version((struct wl_proxy *) xwl_seat->wl_pointer) < 5)
dispatch_pointer_motion_event(xwl_seat);
}
static const struct zwp_relative_pointer_v1_listener relative_pointer_listener = {
relative_pointer_handle_relative_motion,
};
static void
keyboard_handle_key(void *data, struct wl_keyboard *keyboard, uint32_t serial,
uint32_t time, uint32_t key, uint32_t state)
{
struct xwl_seat *xwl_seat = data;
uint32_t *k, *end;
xwl_seat->xwl_screen->serial = serial;
end = (uint32_t *) ((char *) xwl_seat->keys.data + xwl_seat->keys.size);
for (k = xwl_seat->keys.data; k < end; k++) {
if (*k == key)
*k = *--end;
}
xwl_seat->keys.size = (char *) end - (char *) xwl_seat->keys.data;
if (state) {
k = wl_array_add(&xwl_seat->keys, sizeof *k);
*k = key;
}
QueueKeyboardEvents(xwl_seat->keyboard,
state ? KeyPress : KeyRelease, key + 8);
}
static void
keyboard_handle_keymap(void *data, struct wl_keyboard *keyboard,
uint32_t format, int fd, uint32_t size)
{
struct xwl_seat *xwl_seat = data;
DeviceIntPtr master;
XkbDescPtr xkb;
XkbChangesRec changes = { 0 };
if (xwl_seat->keymap)
munmap(xwl_seat->keymap, xwl_seat->keymap_size);
xwl_seat->keymap_size = size;
xwl_seat->keymap = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
if (xwl_seat->keymap == MAP_FAILED) {
xwl_seat->keymap_size = 0;
xwl_seat->keymap = NULL;
goto out;
}
xkb = XkbCompileKeymapFromString(xwl_seat->keyboard, xwl_seat->keymap,
strnlen(xwl_seat->keymap,
xwl_seat->keymap_size));
if (!xkb)
goto out;
XkbUpdateDescActions(xkb, xkb->min_key_code, XkbNumKeys(xkb), &changes);
if (xwl_seat->keyboard->key)
/* Keep the current controls */
XkbCopyControls(xkb, xwl_seat->keyboard->key->xkbInfo->desc);
XkbDeviceApplyKeymap(xwl_seat->keyboard, xkb);
master = GetMaster(xwl_seat->keyboard, MASTER_KEYBOARD);
if (master && master->lastSlave == xwl_seat->keyboard)
XkbDeviceApplyKeymap(master, xkb);
XkbFreeKeyboard(xkb, XkbAllComponentsMask, TRUE);
out:
close(fd);
}
static void
keyboard_handle_enter(void *data, struct wl_keyboard *keyboard,
uint32_t serial,
struct wl_surface *surface, struct wl_array *keys)
{
struct xwl_seat *xwl_seat = data;
uint32_t *k;
xwl_seat->xwl_screen->serial = serial;
xwl_seat->keyboard_focus = surface;
wl_array_copy(&xwl_seat->keys, keys);
wl_array_for_each(k, &xwl_seat->keys)
QueueKeyboardEvents(xwl_seat->keyboard, EnterNotify, *k + 8);
}
static void
keyboard_handle_leave(void *data, struct wl_keyboard *keyboard,
uint32_t serial, struct wl_surface *surface)
{
struct xwl_seat *xwl_seat = data;
uint32_t *k;
xwl_seat->xwl_screen->serial = serial;
wl_array_for_each(k, &xwl_seat->keys)
QueueKeyboardEvents(xwl_seat->keyboard, LeaveNotify, *k + 8);
xwl_seat->keyboard_focus = NULL;
}
static void
keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard,
uint32_t serial, uint32_t mods_depressed,
uint32_t mods_latched, uint32_t mods_locked,
uint32_t group)
{
struct xwl_seat *xwl_seat = data;
DeviceIntPtr dev;
XkbStateRec old_state, *new_state;
xkbStateNotify sn;
CARD16 changed;
mieqProcessInputEvents();
for (dev = inputInfo.devices; dev; dev = dev->next) {
if (dev != xwl_seat->keyboard &&
dev != GetMaster(xwl_seat->keyboard, MASTER_KEYBOARD))
continue;
old_state = dev->key->xkbInfo->state;
new_state = &dev->key->xkbInfo->state;
new_state->locked_group = group & XkbAllGroupsMask;
new_state->base_mods = mods_depressed & XkbAllModifiersMask;
new_state->locked_mods = mods_locked & XkbAllModifiersMask;
XkbLatchModifiers(dev, XkbAllModifiersMask,
mods_latched & XkbAllModifiersMask);
XkbComputeDerivedState(dev->key->xkbInfo);
changed = XkbStateChangedFlags(&old_state, new_state);
if (!changed)
continue;
sn.keycode = 0;
sn.eventType = 0;
sn.requestMajor = XkbReqCode;
sn.requestMinor = X_kbLatchLockState; /* close enough */
sn.changed = changed;
XkbSendStateNotify(dev, &sn);
}
}
static void
remove_sync_pending(DeviceIntPtr dev)
{
struct xwl_seat *xwl_seat = dev->public.devicePrivate;
struct sync_pending *p, *npd;
xorg_list_for_each_entry_safe(p, npd, &xwl_seat->sync_pending, l) {
if (p->pending_dev == dev) {
xorg_list_del(&xwl_seat->sync_pending);
free (p);
return;
}
}
}
static void
sync_callback(void *data, struct wl_callback *callback, uint32_t serial)
{
DeviceIntPtr dev = (DeviceIntPtr) data;
remove_sync_pending(dev);
wl_callback_destroy(callback);
}
static const struct wl_callback_listener sync_listener = {
sync_callback
};
static Bool
keyboard_check_repeat (DeviceIntPtr dev, XkbSrvInfoPtr xkbi, unsigned key)
{
struct xwl_seat *xwl_seat = dev->public.devicePrivate;
struct xwl_screen *xwl_screen = xwl_seat->xwl_screen;
struct wl_callback *callback;
struct sync_pending *p;
/* Make sure we didn't miss a possible reply from the compositor */
xwl_sync_events (xwl_screen);
xorg_list_for_each_entry(p, &xwl_seat->sync_pending, l) {
if (p->pending_dev == dev) {
ErrorF("Key repeat discarded, Wayland compositor doesn't "
"seem to be processing events fast enough!\n");
return FALSE;
}
}
p = xnfalloc(sizeof(struct sync_pending));
p->pending_dev = dev;
callback = wl_display_sync (xwl_screen->display);
xorg_list_add(&p->l, &xwl_seat->sync_pending);
wl_callback_add_listener(callback, &sync_listener, dev);
return TRUE;
}
static void
keyboard_handle_repeat_info (void *data, struct wl_keyboard *keyboard,
int32_t rate, int32_t delay)
{
struct xwl_seat *xwl_seat = data;
DeviceIntPtr dev;
XkbControlsPtr ctrl;
if (rate < 0 || delay < 0) {
ErrorF("Wrong rate/delay: %d, %d\n", rate, delay);
return;
}
for (dev = inputInfo.devices; dev; dev = dev->next) {
if (dev != xwl_seat->keyboard &&
dev != GetMaster(xwl_seat->keyboard, MASTER_KEYBOARD))
continue;
if (rate != 0) {
ctrl = dev->key->xkbInfo->desc->ctrls;
ctrl->repeat_delay = delay;
/* rate is number of keys per second */
ctrl->repeat_interval = 1000 / rate;
XkbSetRepeatKeys(dev, -1, AutoRepeatModeOn);
} else
XkbSetRepeatKeys(dev, -1, AutoRepeatModeOff);
}
}
static const struct wl_keyboard_listener keyboard_listener = {
keyboard_handle_keymap,
keyboard_handle_enter,
keyboard_handle_leave,
keyboard_handle_key,
keyboard_handle_modifiers,
keyboard_handle_repeat_info,
};
static struct xwl_touch *
xwl_seat_lookup_touch(struct xwl_seat *xwl_seat, int32_t id)
{
struct xwl_touch *xwl_touch, *next_xwl_touch;
xorg_list_for_each_entry_safe(xwl_touch, next_xwl_touch,
&xwl_seat->touches, link_touch) {
if (xwl_touch->id == id)
return xwl_touch;
}
return NULL;
}
static void
xwl_touch_send_event(struct xwl_touch *xwl_touch,
struct xwl_seat *xwl_seat, int type)
{
double dx, dy, x, y;
ValuatorMask mask;
dx = xwl_touch->window->window->drawable.x;
dy = xwl_touch->window->window->drawable.y;
x = (dx + xwl_touch->x) * 0xFFFF / xwl_seat->xwl_screen->width;
y = (dy + xwl_touch->y) * 0xFFFF / xwl_seat->xwl_screen->height;
valuator_mask_zero(&mask);
valuator_mask_set_double(&mask, 0, x);
valuator_mask_set_double(&mask, 1, y);
QueueTouchEvents(xwl_seat->touch, type, xwl_touch->id, 0, &mask);
}
static void
touch_handle_down(void *data, struct wl_touch *wl_touch,
uint32_t serial, uint32_t time,
struct wl_surface *surface,
int32_t id, wl_fixed_t sx_w, wl_fixed_t sy_w)
{
struct xwl_seat *xwl_seat = data;
struct xwl_touch *xwl_touch;
if (surface == NULL)
return;
xwl_touch = calloc(sizeof *xwl_touch, 1);
if (xwl_touch == NULL) {
ErrorF("touch_handle_down ENOMEM");
return;
}
xwl_touch->window = wl_surface_get_user_data(surface);
xwl_touch->id = id;
xwl_touch->x = wl_fixed_to_int(sx_w);
xwl_touch->y = wl_fixed_to_int(sy_w);
xorg_list_add(&xwl_touch->link_touch, &xwl_seat->touches);
xwl_touch_send_event(xwl_touch, xwl_seat, XI_TouchBegin);
}
static void
touch_handle_up(void *data, struct wl_touch *wl_touch,
uint32_t serial, uint32_t time, int32_t id)
{
struct xwl_touch *xwl_touch;
struct xwl_seat *xwl_seat = data;
xwl_touch = xwl_seat_lookup_touch(xwl_seat, id);
if (!xwl_touch)
return;
xwl_touch_send_event(xwl_touch, xwl_seat, XI_TouchEnd);
xorg_list_del(&xwl_touch->link_touch);
free(xwl_touch);
}
static void
touch_handle_motion(void *data, struct wl_touch *wl_touch,
uint32_t time, int32_t id,
wl_fixed_t sx_w, wl_fixed_t sy_w)
{
struct xwl_seat *xwl_seat = data;
struct xwl_touch *xwl_touch;
xwl_touch = xwl_seat_lookup_touch(xwl_seat, id);
if (!xwl_touch)
return;
xwl_touch->x = wl_fixed_to_int(sx_w);
xwl_touch->y = wl_fixed_to_int(sy_w);
xwl_touch_send_event(xwl_touch, xwl_seat, XI_TouchUpdate);
}
static void
touch_handle_frame(void *data, struct wl_touch *wl_touch)
{
}
static void
touch_handle_cancel(void *data, struct wl_touch *wl_touch)
{
struct xwl_seat *xwl_seat = data;
struct xwl_touch *xwl_touch, *next_xwl_touch;
xorg_list_for_each_entry_safe(xwl_touch, next_xwl_touch,
&xwl_seat->touches, link_touch) {
/* We can't properly notify of cancellation to the X client
* once it thinks it has the ownership, send at least a
* TouchEnd event.
*/
xwl_touch_send_event(xwl_touch, xwl_seat, XI_TouchEnd);
xorg_list_del(&xwl_touch->link_touch);
free(xwl_touch);
}
}
static const struct wl_touch_listener touch_listener = {
touch_handle_down,
touch_handle_up,
touch_handle_motion,
touch_handle_frame,
touch_handle_cancel
};
static DeviceIntPtr
add_device(struct xwl_seat *xwl_seat,
const char *driver, DeviceProc device_proc)
{
DeviceIntPtr dev = NULL;
static Atom type_atom;
char name[32];
dev = AddInputDevice(serverClient, device_proc, TRUE);
if (dev == NULL)
return NULL;
if (type_atom == None)
type_atom = MakeAtom(driver, strlen(driver), TRUE);
snprintf(name, sizeof name, "%s:%d", driver, xwl_seat->id);
AssignTypeAndName(dev, type_atom, name);
dev->public.devicePrivate = xwl_seat;
dev->type = SLAVE;
dev->spriteInfo->spriteOwner = FALSE;
return dev;
}
static void
init_pointer(struct xwl_seat *xwl_seat)
{
xwl_seat->wl_pointer = wl_seat_get_pointer(xwl_seat->seat);
wl_pointer_add_listener(xwl_seat->wl_pointer,
&pointer_listener, xwl_seat);
if (xwl_seat->pointer == NULL) {
xwl_seat_set_cursor(xwl_seat);
xwl_seat->pointer =
add_device(xwl_seat, "xwayland-pointer", xwl_pointer_proc);
ActivateDevice(xwl_seat->pointer, TRUE);
}
EnableDevice(xwl_seat->pointer, TRUE);
}
static void
release_pointer(struct xwl_seat *xwl_seat)
{
wl_pointer_release(xwl_seat->wl_pointer);
xwl_seat->wl_pointer = NULL;
if (xwl_seat->pointer)
DisableDevice(xwl_seat->pointer, TRUE);
}
static void
init_relative_pointer(struct xwl_seat *xwl_seat)
{
struct zwp_relative_pointer_manager_v1 *relative_pointer_manager =
xwl_seat->xwl_screen->relative_pointer_manager;
if (relative_pointer_manager) {
xwl_seat->wp_relative_pointer =
zwp_relative_pointer_manager_v1_get_relative_pointer(
relative_pointer_manager, xwl_seat->wl_pointer);
zwp_relative_pointer_v1_add_listener(xwl_seat->wp_relative_pointer,
&relative_pointer_listener,
xwl_seat);
}
if (xwl_seat->relative_pointer == NULL) {
xwl_seat->relative_pointer =
add_device(xwl_seat, "xwayland-relative-pointer",
xwl_pointer_proc_relative);
ActivateDevice(xwl_seat->relative_pointer, TRUE);
}
EnableDevice(xwl_seat->relative_pointer, TRUE);
}
static void
release_relative_pointer(struct xwl_seat *xwl_seat)
{
if (xwl_seat->wp_relative_pointer) {
zwp_relative_pointer_v1_destroy(xwl_seat->wp_relative_pointer);
xwl_seat->wp_relative_pointer = NULL;
}
if (xwl_seat->relative_pointer)
DisableDevice(xwl_seat->relative_pointer, TRUE);
}
static void
init_keyboard(struct xwl_seat *xwl_seat)
{
xwl_seat->wl_keyboard = wl_seat_get_keyboard(xwl_seat->seat);
wl_keyboard_add_listener(xwl_seat->wl_keyboard,
&keyboard_listener, xwl_seat);
if (xwl_seat->keyboard == NULL) {
xwl_seat->keyboard =
add_device(xwl_seat, "xwayland-keyboard", xwl_keyboard_proc);
ActivateDevice(xwl_seat->keyboard, TRUE);
}
EnableDevice(xwl_seat->keyboard, TRUE);
xwl_seat->keyboard->key->xkbInfo->checkRepeat = keyboard_check_repeat;
}
static void
release_keyboard(struct xwl_seat *xwl_seat)
{
wl_keyboard_release(xwl_seat->wl_keyboard);
xwl_seat->wl_keyboard = NULL;
if (xwl_seat->keyboard) {
remove_sync_pending(xwl_seat->keyboard);
DisableDevice(xwl_seat->keyboard, TRUE);
}
}
static void
init_touch(struct xwl_seat *xwl_seat)
{
xwl_seat->wl_touch = wl_seat_get_touch(xwl_seat->seat);
wl_touch_add_listener(xwl_seat->wl_touch,
&touch_listener, xwl_seat);
if (xwl_seat->touch == NULL) {
xwl_seat->touch =
add_device(xwl_seat, "xwayland-touch", xwl_touch_proc);
ActivateDevice(xwl_seat->touch, TRUE);
}
EnableDevice(xwl_seat->touch, TRUE);
}
static void
release_touch(struct xwl_seat *xwl_seat)
{
wl_touch_release(xwl_seat->wl_touch);
xwl_seat->wl_touch = NULL;
if (xwl_seat->touch)
DisableDevice(xwl_seat->touch, TRUE);
}
static void
seat_handle_capabilities(void *data, struct wl_seat *seat,
enum wl_seat_capability caps)
{
struct xwl_seat *xwl_seat = data;
if (caps & WL_SEAT_CAPABILITY_POINTER && xwl_seat->wl_pointer == NULL) {
init_pointer(xwl_seat);
init_relative_pointer(xwl_seat);
} else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && xwl_seat->wl_pointer) {
release_pointer(xwl_seat);
release_relative_pointer(xwl_seat);
}
if (caps & WL_SEAT_CAPABILITY_KEYBOARD && xwl_seat->wl_keyboard == NULL) {
init_keyboard(xwl_seat);
} else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && xwl_seat->wl_keyboard) {
release_keyboard(xwl_seat);
}
if (caps & WL_SEAT_CAPABILITY_TOUCH && xwl_seat->wl_touch == NULL) {
init_touch(xwl_seat);
} else if (!(caps & WL_SEAT_CAPABILITY_TOUCH) && xwl_seat->wl_touch) {
release_touch(xwl_seat);
}
xwl_seat->xwl_screen->expecting_event--;
}
static void
seat_handle_name(void *data, struct wl_seat *seat,
const char *name)
{
}
static const struct wl_seat_listener seat_listener = {
seat_handle_capabilities,
seat_handle_name
};
static void
create_input_device(struct xwl_screen *xwl_screen, uint32_t id, uint32_t version)
{
struct xwl_seat *xwl_seat;
xwl_seat = calloc(sizeof *xwl_seat, 1);
if (xwl_seat == NULL) {
ErrorF("create_input ENOMEM\n");
return;
}
xwl_seat->xwl_screen = xwl_screen;
xorg_list_add(&xwl_seat->link, &xwl_screen->seat_list);
xwl_seat->seat =
wl_registry_bind(xwl_screen->registry, id,
&wl_seat_interface, min(version, 5));
xwl_seat->id = id;
xwl_seat->cursor = wl_compositor_create_surface(xwl_screen->compositor);
wl_seat_add_listener(xwl_seat->seat, &seat_listener, xwl_seat);
wl_array_init(&xwl_seat->keys);
xorg_list_init(&xwl_seat->touches);
xorg_list_init(&xwl_seat->sync_pending);
}
void
xwl_seat_destroy(struct xwl_seat *xwl_seat)
{
struct xwl_touch *xwl_touch, *next_xwl_touch;
struct sync_pending *p, *npd;
xorg_list_for_each_entry_safe(xwl_touch, next_xwl_touch,
&xwl_seat->touches, link_touch) {
xorg_list_del(&xwl_touch->link_touch);
free(xwl_touch);
}
xorg_list_for_each_entry_safe(p, npd, &xwl_seat->sync_pending, l) {
xorg_list_del(&xwl_seat->sync_pending);
free (p);
}
wl_seat_destroy(xwl_seat->seat);
wl_surface_destroy(xwl_seat->cursor);
if (xwl_seat->cursor_frame_cb)
wl_callback_destroy(xwl_seat->cursor_frame_cb);
wl_array_release(&xwl_seat->keys);
free(xwl_seat);
}
static void
init_relative_pointer_manager(struct xwl_screen *xwl_screen,
uint32_t id, uint32_t version)
{
xwl_screen->relative_pointer_manager =
wl_registry_bind(xwl_screen->registry, id,
&zwp_relative_pointer_manager_v1_interface,
1);
}
static void
init_pointer_constraints(struct xwl_screen *xwl_screen,
uint32_t id, uint32_t version)
{
xwl_screen->pointer_constraints =
wl_registry_bind(xwl_screen->registry, id,
&zwp_pointer_constraints_v1_interface,
1);
}
static void
input_handler(void *data, struct wl_registry *registry, uint32_t id,
const char *interface, uint32_t version)
{
struct xwl_screen *xwl_screen = data;
if (strcmp(interface, "wl_seat") == 0 && version >= 3) {
create_input_device(xwl_screen, id, version);
xwl_screen->expecting_event++;
} else if (strcmp(interface, "zwp_relative_pointer_manager_v1") == 0) {
init_relative_pointer_manager(xwl_screen, id, version);
} else if (strcmp(interface, "zwp_pointer_constraints_v1") == 0) {
init_pointer_constraints(xwl_screen, id, version);
}
}
static void
global_remove(void *data, struct wl_registry *registry, uint32_t name)
{
}
static const struct wl_registry_listener input_listener = {
input_handler,
global_remove,
};
Bool
LegalModifier(unsigned int key, DeviceIntPtr pDev)
{
return TRUE;
}
void
ProcessInputEvents(void)
{
mieqProcessInputEvents();
}
void
DDXRingBell(int volume, int pitch, int duration)
{
}
static Bool
sprite_check_lost_focus(SpritePtr sprite, WindowPtr window)
{
DeviceIntPtr device, master;
struct xwl_seat *xwl_seat;
for (device = inputInfo.devices; device; device = device->next) {
/* Ignore non-wayland devices */
if (device->deviceProc == xwl_pointer_proc &&
device->spriteInfo->sprite == sprite)
break;
}
if (!device)
return FALSE;
xwl_seat = device->public.devicePrivate;
master = GetMaster(device, POINTER_OR_FLOAT);
if (!master || !master->lastSlave)
return FALSE;
/* We do want the last active slave, we only check on slave xwayland
* devices so we can find out the xwl_seat, but those don't actually own
* their sprite, so the match doesn't mean a lot.
*/
if (master->lastSlave == xwl_seat->pointer &&
xwl_seat->focus_window == NULL &&
xwl_seat->last_xwindow != NullWindow &&
IsParent(xwl_seat->last_xwindow, window))
return TRUE;
return FALSE;
}
static WindowPtr
xwl_xy_to_window(ScreenPtr screen, SpritePtr sprite, int x, int y)
{
struct xwl_screen *xwl_screen;
WindowPtr ret;
xwl_screen = xwl_screen_get(screen);
screen->XYToWindow = xwl_screen->XYToWindow;
ret = screen->XYToWindow(screen, sprite, x, y);
xwl_screen->XYToWindow = screen->XYToWindow;
screen->XYToWindow = xwl_xy_to_window;
/* If the device controlling the sprite has left the Wayland surface but
* the DIX still finds the pointer within the X11 window, it means that
* the pointer has crossed to another native Wayland window, in this
* case, pretend we entered the root window so that a LeaveNotify
* event is emitted.
*/
if (sprite_check_lost_focus(sprite, ret)) {
sprite->spriteTraceGood = 1;
return sprite->spriteTrace[0];
}
return ret;
}
void
xwl_seat_clear_touch(struct xwl_seat *xwl_seat, WindowPtr window)
{
struct xwl_touch *xwl_touch, *next_xwl_touch;
xorg_list_for_each_entry_safe(xwl_touch, next_xwl_touch,
&xwl_seat->touches, link_touch) {
if (xwl_touch->window->window == window) {
xorg_list_del(&xwl_touch->link_touch);
free(xwl_touch);
}
}
}
static void
xwl_pointer_warp_emulator_set_fake_pos(struct xwl_pointer_warp_emulator *warp_emulator,
int x,
int y)
{
struct zwp_locked_pointer_v1 *locked_pointer =
warp_emulator->locked_pointer;
WindowPtr window;
int sx, sy;
if (!warp_emulator->locked_pointer)
return;
if (!warp_emulator->xwl_seat->focus_window)
return;
window = warp_emulator->xwl_seat->focus_window->window;
if (x >= window->drawable.x ||
y >= window->drawable.y ||
x < (window->drawable.x + window->drawable.width) ||
y < (window->drawable.y + window->drawable.height)) {
sx = x - window->drawable.x;
sy = y - window->drawable.y;
zwp_locked_pointer_v1_set_cursor_position_hint(locked_pointer,
wl_fixed_from_int(sx),
wl_fixed_from_int(sy));
wl_surface_commit(warp_emulator->xwl_seat->focus_window->surface);
}
}
static Bool
xwl_pointer_warp_emulator_is_locked(struct xwl_pointer_warp_emulator *warp_emulator)
{
if (warp_emulator->locked_pointer)
return TRUE;
else
return FALSE;
}
static void
xwl_pointer_warp_emulator_lock(struct xwl_pointer_warp_emulator *warp_emulator)
{
struct xwl_seat *xwl_seat = warp_emulator->xwl_seat;
struct xwl_screen *xwl_screen = xwl_seat->xwl_screen;
struct zwp_pointer_constraints_v1 *pointer_constraints =
xwl_screen->pointer_constraints;
struct xwl_window *lock_window = xwl_seat->focus_window;
warp_emulator->locked_window = lock_window;
warp_emulator->locked_pointer =
zwp_pointer_constraints_v1_lock_pointer(pointer_constraints,
lock_window->surface,
xwl_seat->wl_pointer,
NULL,
ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT);
}
static void
xwl_pointer_warp_emulator_maybe_lock(struct xwl_pointer_warp_emulator *warp_emulator,
struct xwl_window *xwl_window,
SpritePtr sprite,
int x, int y)
{
struct xwl_seat *xwl_seat = warp_emulator->xwl_seat;
GrabPtr pointer_grab = xwl_seat->pointer->deviceGrab.grab;
if (warp_emulator->locked_pointer)
return;
/*
* If there is no grab, and the window doesn't have pointer focus, ignore
* the warp, as under Wayland it won't receive input anyway.
*/
if (!pointer_grab && xwl_seat->focus_window != xwl_window)
return;
/*
* If there is a grab, but it's not an ownerEvents grab and the destination
* is not the pointer focus, ignore it, as events wouldn't be delivered
* there anyway.
*/
if (pointer_grab &&
!pointer_grab->ownerEvents &&
XYToWindow(sprite, x, y) != xwl_seat->focus_window->window)
return;
xwl_pointer_warp_emulator_lock(warp_emulator);
}
static void
xwl_pointer_warp_emulator_warp(struct xwl_pointer_warp_emulator *warp_emulator,
struct xwl_window *xwl_window,
SpritePtr sprite,
int x, int y)
{
xwl_pointer_warp_emulator_maybe_lock(warp_emulator,
xwl_window,
sprite,
x, y);
xwl_pointer_warp_emulator_set_fake_pos(warp_emulator, x, y);
}
static void
xwl_pointer_warp_emulator_handle_motion(struct xwl_pointer_warp_emulator *warp_emulator,
double dx,
double dy,
double dx_unaccel,
double dy_unaccel)
{
struct xwl_seat *xwl_seat = warp_emulator->xwl_seat;
ValuatorMask mask;
WindowPtr window;
int x, y;
valuator_mask_zero(&mask);
valuator_mask_set_unaccelerated(&mask, 0, dx, dx_unaccel);
valuator_mask_set_unaccelerated(&mask, 1, dy, dy_unaccel);
QueuePointerEvents(xwl_seat->relative_pointer, MotionNotify, 0,
POINTER_RELATIVE, &mask);
window = xwl_seat->focus_window->window;
miPointerGetPosition(xwl_seat->pointer, &x, &y);
if (xwl_pointer_warp_emulator_is_locked(warp_emulator) &&
xwl_seat->cursor_confinement_window != warp_emulator->locked_window &&
(x < window->drawable.x ||
y < window->drawable.y ||
x >= (window->drawable.x + window->drawable.width) ||
y >= (window->drawable.y + window->drawable.height)))
xwl_seat_destroy_pointer_warp_emulator(xwl_seat);
else
xwl_pointer_warp_emulator_set_fake_pos(warp_emulator, x, y);
}
static struct xwl_pointer_warp_emulator *
xwl_pointer_warp_emulator_create(struct xwl_seat *xwl_seat)
{
struct xwl_pointer_warp_emulator *warp_emulator;
warp_emulator = calloc(sizeof *warp_emulator, 1);
if (!warp_emulator) {
ErrorF("%s: ENOMEM", __func__);
return NULL;
}
warp_emulator->xwl_seat = xwl_seat;
return warp_emulator;
}
static void
xwl_pointer_warp_emulator_destroy(struct xwl_pointer_warp_emulator *warp_emulator)
{
if (warp_emulator->locked_pointer)
zwp_locked_pointer_v1_destroy(warp_emulator->locked_pointer);
free(warp_emulator);
}
static void
xwl_seat_create_pointer_warp_emulator(struct xwl_seat *xwl_seat)
{
if (xwl_seat->confined_pointer)
xwl_seat_destroy_confined_pointer(xwl_seat);
xwl_seat->pointer_warp_emulator =
xwl_pointer_warp_emulator_create(xwl_seat);
}
static Bool
xwl_seat_can_emulate_pointer_warp(struct xwl_seat *xwl_seat)
{
struct xwl_screen *xwl_screen = xwl_seat->xwl_screen;
if (!xwl_screen->relative_pointer_manager)
return FALSE;
if (!xwl_screen->pointer_constraints)
return FALSE;
return TRUE;
}
void
xwl_seat_emulate_pointer_warp(struct xwl_seat *xwl_seat,
struct xwl_window *xwl_window,
SpritePtr sprite,
int x, int y)
{
if (!xwl_seat_can_emulate_pointer_warp(xwl_seat))
return;
if (xwl_seat->x_cursor != NULL)
return;
if (!xwl_seat->pointer_warp_emulator)
xwl_seat_create_pointer_warp_emulator(xwl_seat);
if (!xwl_seat->pointer_warp_emulator)
return;
xwl_pointer_warp_emulator_warp(xwl_seat->pointer_warp_emulator,
xwl_window,
sprite,
x, y);
}
static Bool
xwl_seat_maybe_lock_on_hidden_cursor(struct xwl_seat *xwl_seat)
{
/* Some clients use hidden cursor+confineTo+relative motion
* to implement infinite panning (eg. 3D views), lock the
* pointer for so the relative pointer is used.
*/
if (xwl_seat->x_cursor ||
!xwl_seat->cursor_confinement_window)
return FALSE;
if (!xwl_seat->focus_window)
return FALSE;
if (xwl_seat->confined_pointer)
xwl_seat_destroy_confined_pointer(xwl_seat);
xwl_seat_create_pointer_warp_emulator(xwl_seat);
xwl_pointer_warp_emulator_lock(xwl_seat->pointer_warp_emulator);
return TRUE;
}
void
xwl_seat_cursor_visibility_changed(struct xwl_seat *xwl_seat)
{
if (xwl_seat->pointer_warp_emulator && xwl_seat->x_cursor != NULL) {
xwl_seat_destroy_pointer_warp_emulator(xwl_seat);
} else if (!xwl_seat->x_cursor && xwl_seat->cursor_confinement_window) {
/* If the cursor goes hidden as is confined, lock it for
* relative motion to work. */
xwl_seat_maybe_lock_on_hidden_cursor(xwl_seat);
}
}
void
xwl_seat_destroy_pointer_warp_emulator(struct xwl_seat *xwl_seat)
{
if (!xwl_seat->pointer_warp_emulator)
return;
xwl_pointer_warp_emulator_destroy(xwl_seat->pointer_warp_emulator);
xwl_seat->pointer_warp_emulator = NULL;
if (xwl_seat->cursor_confinement_window) {
xwl_seat_confine_pointer(xwl_seat,
xwl_seat->cursor_confinement_window);
}
}
void
xwl_seat_confine_pointer(struct xwl_seat *xwl_seat,
struct xwl_window *xwl_window)
{
struct zwp_pointer_constraints_v1 *pointer_constraints =
xwl_seat->xwl_screen->pointer_constraints;
if (!pointer_constraints)
return;
if (xwl_seat->cursor_confinement_window == xwl_window &&
xwl_seat->confined_pointer)
return;
xwl_seat_unconfine_pointer(xwl_seat);
xwl_seat->cursor_confinement_window = xwl_window;
if (xwl_seat->pointer_warp_emulator)
return;
if (xwl_seat_maybe_lock_on_hidden_cursor(xwl_seat))
return;
xwl_seat->confined_pointer =
zwp_pointer_constraints_v1_confine_pointer(pointer_constraints,
xwl_window->surface,
xwl_seat->wl_pointer,
NULL,
ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT);
}
static void
xwl_seat_destroy_confined_pointer(struct xwl_seat *xwl_seat)
{
zwp_confined_pointer_v1_destroy(xwl_seat->confined_pointer);
xwl_seat->confined_pointer = NULL;
}
void
xwl_seat_unconfine_pointer(struct xwl_seat *xwl_seat)
{
xwl_seat->cursor_confinement_window = NULL;
if (xwl_seat->confined_pointer)
xwl_seat_destroy_confined_pointer(xwl_seat);
}
void
InitInput(int argc, char *argv[])
{
ScreenPtr pScreen = screenInfo.screens[0];
struct xwl_screen *xwl_screen = xwl_screen_get(pScreen);
mieqInit();
xwl_screen->input_registry = wl_display_get_registry(xwl_screen->display);
wl_registry_add_listener(xwl_screen->input_registry, &input_listener,
xwl_screen);
xwl_screen->XYToWindow = pScreen->XYToWindow;
pScreen->XYToWindow = xwl_xy_to_window;
wl_display_roundtrip(xwl_screen->display);
while (xwl_screen->expecting_event)
wl_display_roundtrip(xwl_screen->display);
}
void
CloseInput(void)
{
mieqFini();
}
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