blob: 6579592baf69433507b260566480bb92a69372a2 [file] [log] [blame]
/*
* Copyright © 2013 Intel Corporation
* Copyright 2017-2018 Collabora, Ltd.
* Copyright 2017-2018 General Electric Company
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "config.h"
#include <stdbool.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <sys/mman.h>
#include <assert.h>
#include <unistd.h>
#include <values.h>
#include <fcntl.h>
#include <limits.h>
#include "shared/helpers.h"
#include "shared/os-compatibility.h"
#include "shared/timespec-util.h"
#include "compositor.h"
#include "relative-pointer-unstable-v1-server-protocol.h"
#include "pointer-constraints-unstable-v1-server-protocol.h"
#include "input-timestamps-unstable-v1-server-protocol.h"
enum pointer_constraint_type {
POINTER_CONSTRAINT_TYPE_LOCK,
POINTER_CONSTRAINT_TYPE_CONFINE,
};
enum motion_direction {
MOTION_DIRECTION_POSITIVE_X = 1 << 0,
MOTION_DIRECTION_NEGATIVE_X = 1 << 1,
MOTION_DIRECTION_POSITIVE_Y = 1 << 2,
MOTION_DIRECTION_NEGATIVE_Y = 1 << 3,
};
struct vec2d {
double x, y;
};
struct line {
struct vec2d a;
struct vec2d b;
};
struct border {
struct line line;
enum motion_direction blocking_dir;
};
static void
maybe_warp_confined_pointer(struct weston_pointer_constraint *constraint);
static void
empty_region(pixman_region32_t *region)
{
pixman_region32_fini(region);
pixman_region32_init(region);
}
static void
region_init_infinite(pixman_region32_t *region)
{
pixman_region32_init_rect(region, INT32_MIN, INT32_MIN,
UINT32_MAX, UINT32_MAX);
}
static void
send_timestamp(struct wl_resource *resource,
const struct timespec *time)
{
uint32_t tv_sec_hi, tv_sec_lo, tv_nsec;
timespec_to_proto(time, &tv_sec_hi, &tv_sec_lo, &tv_nsec);
zwp_input_timestamps_v1_send_timestamp(resource, tv_sec_hi, tv_sec_lo,
tv_nsec);
}
static void
send_timestamps_for_input_resource(struct wl_resource *input_resource,
struct wl_list *list,
const struct timespec *time)
{
struct wl_resource *resource;
wl_resource_for_each(resource, list) {
if (wl_resource_get_user_data(resource) == input_resource)
send_timestamp(resource, time);
}
}
static void
remove_input_resource_from_timestamps(struct wl_resource *input_resource,
struct wl_list *list)
{
struct wl_resource *resource;
wl_resource_for_each(resource, list) {
if (wl_resource_get_user_data(resource) == input_resource)
wl_resource_set_user_data(resource, NULL);
}
}
/** Register a touchscreen input device
*
* \param touch The parent weston_touch that identifies the seat.
* \param syspath Unique device name.
* \param backend_data Backend private data if necessary.
* \param ops Calibration operations, or NULL for not able to run calibration.
* \return New touch device, or NULL on failure.
*/
WL_EXPORT struct weston_touch_device *
weston_touch_create_touch_device(struct weston_touch *touch,
const char *syspath,
void *backend_data,
const struct weston_touch_device_ops *ops)
{
struct weston_touch_device *device;
assert(syspath);
if (ops) {
assert(ops->get_output);
assert(ops->get_calibration_head_name);
assert(ops->get_calibration);
assert(ops->set_calibration);
}
device = zalloc(sizeof *device);
if (!device)
return NULL;
wl_signal_init(&device->destroy_signal);
device->syspath = strdup(syspath);
if (!device->syspath) {
free(device);
return NULL;
}
device->backend_data = backend_data;
device->ops = ops;
device->aggregate = touch;
wl_list_insert(touch->device_list.prev, &device->link);
return device;
}
/** Destroy the touch device. */
WL_EXPORT void
weston_touch_device_destroy(struct weston_touch_device *device)
{
wl_list_remove(&device->link);
wl_signal_emit(&device->destroy_signal, device);
free(device->syspath);
free(device);
}
/** Is it possible to run calibration on this touch device? */
WL_EXPORT bool
weston_touch_device_can_calibrate(struct weston_touch_device *device)
{
return !!device->ops;
}
static enum weston_touch_mode
weston_touch_device_get_mode(struct weston_touch_device *device)
{
return device->aggregate->seat->compositor->touch_mode;
}
static struct weston_pointer_client *
weston_pointer_client_create(struct wl_client *client)
{
struct weston_pointer_client *pointer_client;
pointer_client = zalloc(sizeof *pointer_client);
if (!pointer_client)
return NULL;
pointer_client->client = client;
wl_list_init(&pointer_client->pointer_resources);
wl_list_init(&pointer_client->relative_pointer_resources);
return pointer_client;
}
static void
weston_pointer_client_destroy(struct weston_pointer_client *pointer_client)
{
struct wl_resource *resource;
wl_resource_for_each(resource, &pointer_client->pointer_resources) {
wl_resource_set_user_data(resource, NULL);
}
wl_resource_for_each(resource,
&pointer_client->relative_pointer_resources) {
wl_resource_set_user_data(resource, NULL);
}
wl_list_remove(&pointer_client->pointer_resources);
wl_list_remove(&pointer_client->relative_pointer_resources);
free(pointer_client);
}
static bool
weston_pointer_client_is_empty(struct weston_pointer_client *pointer_client)
{
return (wl_list_empty(&pointer_client->pointer_resources) &&
wl_list_empty(&pointer_client->relative_pointer_resources));
}
static struct weston_pointer_client *
weston_pointer_get_pointer_client(struct weston_pointer *pointer,
struct wl_client *client)
{
struct weston_pointer_client *pointer_client;
wl_list_for_each(pointer_client, &pointer->pointer_clients, link) {
if (pointer_client->client == client)
return pointer_client;
}
return NULL;
}
static struct weston_pointer_client *
weston_pointer_ensure_pointer_client(struct weston_pointer *pointer,
struct wl_client *client)
{
struct weston_pointer_client *pointer_client;
pointer_client = weston_pointer_get_pointer_client(pointer, client);
if (pointer_client)
return pointer_client;
pointer_client = weston_pointer_client_create(client);
wl_list_insert(&pointer->pointer_clients, &pointer_client->link);
if (pointer->focus &&
pointer->focus->surface->resource &&
wl_resource_get_client(pointer->focus->surface->resource) == client) {
pointer->focus_client = pointer_client;
}
return pointer_client;
}
static void
weston_pointer_cleanup_pointer_client(struct weston_pointer *pointer,
struct weston_pointer_client *pointer_client)
{
if (weston_pointer_client_is_empty(pointer_client)) {
if (pointer->focus_client == pointer_client)
pointer->focus_client = NULL;
wl_list_remove(&pointer_client->link);
weston_pointer_client_destroy(pointer_client);
}
}
static void
unbind_pointer_client_resource(struct wl_resource *resource)
{
struct weston_pointer *pointer = wl_resource_get_user_data(resource);
struct wl_client *client = wl_resource_get_client(resource);
struct weston_pointer_client *pointer_client;
wl_list_remove(wl_resource_get_link(resource));
if (pointer) {
pointer_client = weston_pointer_get_pointer_client(pointer,
client);
assert(pointer_client);
remove_input_resource_from_timestamps(resource,
&pointer->timestamps_list);
weston_pointer_cleanup_pointer_client(pointer, pointer_client);
}
}
static void unbind_resource(struct wl_resource *resource)
{
wl_list_remove(wl_resource_get_link(resource));
}
WL_EXPORT void
weston_pointer_motion_to_abs(struct weston_pointer *pointer,
struct weston_pointer_motion_event *event,
wl_fixed_t *x, wl_fixed_t *y)
{
if (event->mask & WESTON_POINTER_MOTION_ABS) {
*x = wl_fixed_from_double(event->x);
*y = wl_fixed_from_double(event->y);
} else if (event->mask & WESTON_POINTER_MOTION_REL) {
*x = pointer->x + wl_fixed_from_double(event->dx);
*y = pointer->y + wl_fixed_from_double(event->dy);
} else {
assert(!"invalid motion event");
*x = *y = 0;
}
}
static bool
weston_pointer_motion_to_rel(struct weston_pointer *pointer,
struct weston_pointer_motion_event *event,
double *dx, double *dy,
double *dx_unaccel, double *dy_unaccel)
{
if (event->mask & WESTON_POINTER_MOTION_REL &&
event->mask & WESTON_POINTER_MOTION_REL_UNACCEL) {
*dx = event->dx;
*dy = event->dy;
*dx_unaccel = event->dx_unaccel;
*dy_unaccel = event->dy_unaccel;
return true;
} else if (event->mask & WESTON_POINTER_MOTION_REL) {
*dx_unaccel = *dx = event->dx;
*dy_unaccel = *dy = event->dy;
return true;
} else if (event->mask & WESTON_POINTER_MOTION_REL_UNACCEL) {
*dx_unaccel = *dx = event->dx_unaccel;
*dy_unaccel = *dy = event->dy_unaccel;
return true;
} else {
return false;
}
}
WL_EXPORT void
weston_seat_repick(struct weston_seat *seat)
{
const struct weston_pointer *pointer = weston_seat_get_pointer(seat);
if (!pointer)
return;
pointer->grab->interface->focus(pointer->grab);
}
static void
weston_compositor_idle_inhibit(struct weston_compositor *compositor)
{
weston_compositor_wake(compositor);
compositor->idle_inhibit++;
}
static void
weston_compositor_idle_release(struct weston_compositor *compositor)
{
compositor->idle_inhibit--;
weston_compositor_wake(compositor);
}
static void
pointer_focus_view_destroyed(struct wl_listener *listener, void *data)
{
struct weston_pointer *pointer =
container_of(listener, struct weston_pointer,
focus_view_listener);
weston_pointer_clear_focus(pointer);
}
static void
pointer_focus_resource_destroyed(struct wl_listener *listener, void *data)
{
struct weston_pointer *pointer =
container_of(listener, struct weston_pointer,
focus_resource_listener);
weston_pointer_clear_focus(pointer);
}
static void
keyboard_focus_resource_destroyed(struct wl_listener *listener, void *data)
{
struct weston_keyboard *keyboard =
container_of(listener, struct weston_keyboard,
focus_resource_listener);
weston_keyboard_set_focus(keyboard, NULL);
}
static void
touch_focus_view_destroyed(struct wl_listener *listener, void *data)
{
struct weston_touch *touch =
container_of(listener, struct weston_touch,
focus_view_listener);
weston_touch_set_focus(touch, NULL);
}
static void
touch_focus_resource_destroyed(struct wl_listener *listener, void *data)
{
struct weston_touch *touch =
container_of(listener, struct weston_touch,
focus_resource_listener);
weston_touch_set_focus(touch, NULL);
}
static void
move_resources(struct wl_list *destination, struct wl_list *source)
{
wl_list_insert_list(destination, source);
wl_list_init(source);
}
static void
move_resources_for_client(struct wl_list *destination,
struct wl_list *source,
struct wl_client *client)
{
struct wl_resource *resource, *tmp;
wl_resource_for_each_safe(resource, tmp, source) {
if (wl_resource_get_client(resource) == client) {
wl_list_remove(wl_resource_get_link(resource));
wl_list_insert(destination,
wl_resource_get_link(resource));
}
}
}
static void
default_grab_pointer_focus(struct weston_pointer_grab *grab)
{
struct weston_pointer *pointer = grab->pointer;
struct weston_view *view;
wl_fixed_t sx, sy;
if (pointer->button_count > 0)
return;
view = weston_compositor_pick_view(pointer->seat->compositor,
pointer->x, pointer->y,
&sx, &sy);
if (pointer->focus != view || pointer->sx != sx || pointer->sy != sy)
weston_pointer_set_focus(pointer, view, sx, sy);
}
static void
pointer_send_relative_motion(struct weston_pointer *pointer,
const struct timespec *time,
struct weston_pointer_motion_event *event)
{
uint64_t time_usec;
double dx, dy, dx_unaccel, dy_unaccel;
wl_fixed_t dxf, dyf, dxf_unaccel, dyf_unaccel;
struct wl_list *resource_list;
struct wl_resource *resource;
if (!pointer->focus_client)
return;
if (!weston_pointer_motion_to_rel(pointer, event,
&dx, &dy,
&dx_unaccel, &dy_unaccel))
return;
resource_list = &pointer->focus_client->relative_pointer_resources;
time_usec = timespec_to_usec(&event->time);
if (time_usec == 0)
time_usec = timespec_to_usec(time);
dxf = wl_fixed_from_double(dx);
dyf = wl_fixed_from_double(dy);
dxf_unaccel = wl_fixed_from_double(dx_unaccel);
dyf_unaccel = wl_fixed_from_double(dy_unaccel);
wl_resource_for_each(resource, resource_list) {
zwp_relative_pointer_v1_send_relative_motion(
resource,
(uint32_t) (time_usec >> 32),
(uint32_t) time_usec,
dxf, dyf,
dxf_unaccel, dyf_unaccel);
}
}
static void
pointer_send_motion(struct weston_pointer *pointer,
const struct timespec *time,
wl_fixed_t sx, wl_fixed_t sy)
{
struct wl_list *resource_list;
struct wl_resource *resource;
uint32_t msecs;
if (!pointer->focus_client)
return;
resource_list = &pointer->focus_client->pointer_resources;
msecs = timespec_to_msec(time);
wl_resource_for_each(resource, resource_list) {
send_timestamps_for_input_resource(resource,
&pointer->timestamps_list,
time);
wl_pointer_send_motion(resource, msecs, sx, sy);
}
}
WL_EXPORT void
weston_pointer_send_motion(struct weston_pointer *pointer,
const struct timespec *time,
struct weston_pointer_motion_event *event)
{
wl_fixed_t x, y;
wl_fixed_t old_sx = pointer->sx;
wl_fixed_t old_sy = pointer->sy;
if (pointer->focus) {
weston_pointer_motion_to_abs(pointer, event, &x, &y);
weston_view_from_global_fixed(pointer->focus, x, y,
&pointer->sx, &pointer->sy);
}
weston_pointer_move(pointer, event);
if (old_sx != pointer->sx || old_sy != pointer->sy) {
pointer_send_motion(pointer, time,
pointer->sx, pointer->sy);
}
pointer_send_relative_motion(pointer, time, event);
}
static void
default_grab_pointer_motion(struct weston_pointer_grab *grab,
const struct timespec *time,
struct weston_pointer_motion_event *event)
{
weston_pointer_send_motion(grab->pointer, time, event);
}
/** Check if the pointer has focused resources.
*
* \param pointer The pointer to check for focused resources.
* \return Whether or not this pointer has focused resources
*/
WL_EXPORT bool
weston_pointer_has_focus_resource(struct weston_pointer *pointer)
{
if (!pointer->focus_client)
return false;
if (wl_list_empty(&pointer->focus_client->pointer_resources))
return false;
return true;
}
/** Send wl_pointer.button events to focused resources.
*
* \param pointer The pointer where the button events originates from.
* \param time The timestamp of the event
* \param button The button value of the event
* \param value The state enum value of the event
*
* For every resource that is currently in focus, send a wl_pointer.button event
* with the passed parameters. The focused resources are the wl_pointer
* resources of the client which currently has the surface with pointer focus.
*/
WL_EXPORT void
weston_pointer_send_button(struct weston_pointer *pointer,
const struct timespec *time, uint32_t button,
enum wl_pointer_button_state state)
{
struct wl_display *display = pointer->seat->compositor->wl_display;
struct wl_list *resource_list;
struct wl_resource *resource;
uint32_t serial;
uint32_t msecs;
if (!weston_pointer_has_focus_resource(pointer))
return;
resource_list = &pointer->focus_client->pointer_resources;
serial = wl_display_next_serial(display);
msecs = timespec_to_msec(time);
wl_resource_for_each(resource, resource_list) {
send_timestamps_for_input_resource(resource,
&pointer->timestamps_list,
time);
wl_pointer_send_button(resource, serial, msecs, button, state);
}
}
static void
default_grab_pointer_button(struct weston_pointer_grab *grab,
const struct timespec *time, uint32_t button,
enum wl_pointer_button_state state)
{
struct weston_pointer *pointer = grab->pointer;
struct weston_compositor *compositor = pointer->seat->compositor;
struct weston_view *view;
wl_fixed_t sx, sy;
weston_pointer_send_button(pointer, time, button, state);
if (pointer->button_count == 0 &&
state == WL_POINTER_BUTTON_STATE_RELEASED) {
view = weston_compositor_pick_view(compositor,
pointer->x, pointer->y,
&sx, &sy);
weston_pointer_set_focus(pointer, view, sx, sy);
}
}
/** Send wl_pointer.axis events to focused resources.
*
* \param pointer The pointer where the axis events originates from.
* \param time The timestamp of the event
* \param axis The axis enum value of the event
* \param value The axis value of the event
*
* For every resource that is currently in focus, send a wl_pointer.axis event
* with the passed parameters. The focused resources are the wl_pointer
* resources of the client which currently has the surface with pointer focus.
*/
WL_EXPORT void
weston_pointer_send_axis(struct weston_pointer *pointer,
const struct timespec *time,
struct weston_pointer_axis_event *event)
{
struct wl_resource *resource;
struct wl_list *resource_list;
uint32_t msecs;
if (!weston_pointer_has_focus_resource(pointer))
return;
resource_list = &pointer->focus_client->pointer_resources;
msecs = timespec_to_msec(time);
wl_resource_for_each(resource, resource_list) {
if (event->has_discrete &&
wl_resource_get_version(resource) >=
WL_POINTER_AXIS_DISCRETE_SINCE_VERSION)
wl_pointer_send_axis_discrete(resource, event->axis,
event->discrete);
if (event->value) {
send_timestamps_for_input_resource(resource,
&pointer->timestamps_list,
time);
wl_pointer_send_axis(resource, msecs,
event->axis,
wl_fixed_from_double(event->value));
} else if (wl_resource_get_version(resource) >=
WL_POINTER_AXIS_STOP_SINCE_VERSION) {
send_timestamps_for_input_resource(resource,
&pointer->timestamps_list,
time);
wl_pointer_send_axis_stop(resource, msecs,
event->axis);
}
}
}
/** Send wl_pointer.axis_source events to focused resources.
*
* \param pointer The pointer where the axis_source events originates from.
* \param source The axis_source enum value of the event
*
* For every resource that is currently in focus, send a wl_pointer.axis_source
* event with the passed parameter. The focused resources are the wl_pointer
* resources of the client which currently has the surface with pointer focus.
*/
WL_EXPORT void
weston_pointer_send_axis_source(struct weston_pointer *pointer,
enum wl_pointer_axis_source source)
{
struct wl_resource *resource;
struct wl_list *resource_list;
if (!weston_pointer_has_focus_resource(pointer))
return;
resource_list = &pointer->focus_client->pointer_resources;
wl_resource_for_each(resource, resource_list) {
if (wl_resource_get_version(resource) >=
WL_POINTER_AXIS_SOURCE_SINCE_VERSION) {
wl_pointer_send_axis_source(resource, source);
}
}
}
static void
pointer_send_frame(struct wl_resource *resource)
{
if (wl_resource_get_version(resource) >=
WL_POINTER_FRAME_SINCE_VERSION) {
wl_pointer_send_frame(resource);
}
}
/** Send wl_pointer.frame events to focused resources.
*
* \param pointer The pointer where the frame events originates from.
*
* For every resource that is currently in focus, send a wl_pointer.frame event.
* The focused resources are the wl_pointer resources of the client which
* currently has the surface with pointer focus.
*/
WL_EXPORT void
weston_pointer_send_frame(struct weston_pointer *pointer)
{
struct wl_resource *resource;
struct wl_list *resource_list;
if (!weston_pointer_has_focus_resource(pointer))
return;
resource_list = &pointer->focus_client->pointer_resources;
wl_resource_for_each(resource, resource_list)
pointer_send_frame(resource);
}
static void
default_grab_pointer_axis(struct weston_pointer_grab *grab,
const struct timespec *time,
struct weston_pointer_axis_event *event)
{
weston_pointer_send_axis(grab->pointer, time, event);
}
static void
default_grab_pointer_axis_source(struct weston_pointer_grab *grab,
enum wl_pointer_axis_source source)
{
weston_pointer_send_axis_source(grab->pointer, source);
}
static void
default_grab_pointer_frame(struct weston_pointer_grab *grab)
{
weston_pointer_send_frame(grab->pointer);
}
static void
default_grab_pointer_cancel(struct weston_pointer_grab *grab)
{
}
static const struct weston_pointer_grab_interface
default_pointer_grab_interface = {
default_grab_pointer_focus,
default_grab_pointer_motion,
default_grab_pointer_button,
default_grab_pointer_axis,
default_grab_pointer_axis_source,
default_grab_pointer_frame,
default_grab_pointer_cancel,
};
/** Check if the touch has focused resources.
*
* \param touch The touch to check for focused resources.
* \return Whether or not this touch has focused resources
*/
WL_EXPORT bool
weston_touch_has_focus_resource(struct weston_touch *touch)
{
if (!touch->focus)
return false;
if (wl_list_empty(&touch->focus_resource_list))
return false;
return true;
}
/** Send wl_touch.down events to focused resources.
*
* \param touch The touch where the down events originates from.
* \param time The timestamp of the event
* \param touch_id The touch_id value of the event
* \param x The x value of the event
* \param y The y value of the event
*
* For every resource that is currently in focus, send a wl_touch.down event
* with the passed parameters. The focused resources are the wl_touch
* resources of the client which currently has the surface with touch focus.
*/
WL_EXPORT void
weston_touch_send_down(struct weston_touch *touch, const struct timespec *time,
int touch_id, wl_fixed_t x, wl_fixed_t y)
{
struct wl_display *display = touch->seat->compositor->wl_display;
uint32_t serial;
struct wl_resource *resource;
struct wl_list *resource_list;
wl_fixed_t sx, sy;
uint32_t msecs;
if (!weston_touch_has_focus_resource(touch))
return;
weston_view_from_global_fixed(touch->focus, x, y, &sx, &sy);
resource_list = &touch->focus_resource_list;
serial = wl_display_next_serial(display);
msecs = timespec_to_msec(time);
wl_resource_for_each(resource, resource_list) {
send_timestamps_for_input_resource(resource,
&touch->timestamps_list,
time);
wl_touch_send_down(resource, serial, msecs,
touch->focus->surface->resource,
touch_id, sx, sy);
}
}
static void
default_grab_touch_down(struct weston_touch_grab *grab,
const struct timespec *time, int touch_id,
wl_fixed_t x, wl_fixed_t y)
{
weston_touch_send_down(grab->touch, time, touch_id, x, y);
}
/** Send wl_touch.up events to focused resources.
*
* \param touch The touch where the up events originates from.
* \param time The timestamp of the event
* \param touch_id The touch_id value of the event
*
* For every resource that is currently in focus, send a wl_touch.up event
* with the passed parameters. The focused resources are the wl_touch
* resources of the client which currently has the surface with touch focus.
*/
WL_EXPORT void
weston_touch_send_up(struct weston_touch *touch, const struct timespec *time,
int touch_id)
{
struct wl_display *display = touch->seat->compositor->wl_display;
uint32_t serial;
struct wl_resource *resource;
struct wl_list *resource_list;
uint32_t msecs;
if (!weston_touch_has_focus_resource(touch))
return;
resource_list = &touch->focus_resource_list;
serial = wl_display_next_serial(display);
msecs = timespec_to_msec(time);
wl_resource_for_each(resource, resource_list) {
send_timestamps_for_input_resource(resource,
&touch->timestamps_list,
time);
wl_touch_send_up(resource, serial, msecs, touch_id);
}
}
static void
default_grab_touch_up(struct weston_touch_grab *grab,
const struct timespec *time, int touch_id)
{
weston_touch_send_up(grab->touch, time, touch_id);
}
/** Send wl_touch.motion events to focused resources.
*
* \param touch The touch where the motion events originates from.
* \param time The timestamp of the event
* \param touch_id The touch_id value of the event
* \param x The x value of the event
* \param y The y value of the event
*
* For every resource that is currently in focus, send a wl_touch.motion event
* with the passed parameters. The focused resources are the wl_touch
* resources of the client which currently has the surface with touch focus.
*/
WL_EXPORT void
weston_touch_send_motion(struct weston_touch *touch,
const struct timespec *time, int touch_id,
wl_fixed_t x, wl_fixed_t y)
{
struct wl_resource *resource;
struct wl_list *resource_list;
wl_fixed_t sx, sy;
uint32_t msecs;
if (!weston_touch_has_focus_resource(touch))
return;
weston_view_from_global_fixed(touch->focus, x, y, &sx, &sy);
resource_list = &touch->focus_resource_list;
msecs = timespec_to_msec(time);
wl_resource_for_each(resource, resource_list) {
send_timestamps_for_input_resource(resource,
&touch->timestamps_list,
time);
wl_touch_send_motion(resource, msecs,
touch_id, sx, sy);
}
}
static void
default_grab_touch_motion(struct weston_touch_grab *grab,
const struct timespec *time, int touch_id,
wl_fixed_t x, wl_fixed_t y)
{
weston_touch_send_motion(grab->touch, time, touch_id, x, y);
}
/** Send wl_touch.frame events to focused resources.
*
* \param touch The touch where the frame events originates from.
*
* For every resource that is currently in focus, send a wl_touch.frame event.
* The focused resources are the wl_touch resources of the client which
* currently has the surface with touch focus.
*/
WL_EXPORT void
weston_touch_send_frame(struct weston_touch *touch)
{
struct wl_resource *resource;
if (!weston_touch_has_focus_resource(touch))
return;
wl_resource_for_each(resource, &touch->focus_resource_list)
wl_touch_send_frame(resource);
}
static void
default_grab_touch_frame(struct weston_touch_grab *grab)
{
weston_touch_send_frame(grab->touch);
}
static void
default_grab_touch_cancel(struct weston_touch_grab *grab)
{
}
static const struct weston_touch_grab_interface default_touch_grab_interface = {
default_grab_touch_down,
default_grab_touch_up,
default_grab_touch_motion,
default_grab_touch_frame,
default_grab_touch_cancel,
};
/** Check if the keyboard has focused resources.
*
* \param keyboard The keyboard to check for focused resources.
* \return Whether or not this keyboard has focused resources
*/
WL_EXPORT bool
weston_keyboard_has_focus_resource(struct weston_keyboard *keyboard)
{
if (!keyboard->focus)
return false;
if (wl_list_empty(&keyboard->focus_resource_list))
return false;
return true;
}
/** Send wl_keyboard.key events to focused resources.
*
* \param keyboard The keyboard where the key events originates from.
* \param time The timestamp of the event
* \param key The key value of the event
* \param state The state enum value of the event
*
* For every resource that is currently in focus, send a wl_keyboard.key event
* with the passed parameters. The focused resources are the wl_keyboard
* resources of the client which currently has the surface with keyboard focus.
*/
WL_EXPORT void
weston_keyboard_send_key(struct weston_keyboard *keyboard,
const struct timespec *time, uint32_t key,
enum wl_keyboard_key_state state)
{
struct wl_resource *resource;
struct wl_display *display = keyboard->seat->compositor->wl_display;
uint32_t serial;
struct wl_list *resource_list;
uint32_t msecs;
if (!weston_keyboard_has_focus_resource(keyboard))
return;
resource_list = &keyboard->focus_resource_list;
serial = wl_display_next_serial(display);
msecs = timespec_to_msec(time);
wl_resource_for_each(resource, resource_list) {
send_timestamps_for_input_resource(resource,
&keyboard->timestamps_list,
time);
wl_keyboard_send_key(resource, serial, msecs, key, state);
}
};
static void
default_grab_keyboard_key(struct weston_keyboard_grab *grab,
const struct timespec *time, uint32_t key,
uint32_t state)
{
weston_keyboard_send_key(grab->keyboard, time, key, state);
}
static void
send_modifiers_to_resource(struct weston_keyboard *keyboard,
struct wl_resource *resource,
uint32_t serial)
{
wl_keyboard_send_modifiers(resource,
serial,
keyboard->modifiers.mods_depressed,
keyboard->modifiers.mods_latched,
keyboard->modifiers.mods_locked,
keyboard->modifiers.group);
}
static void
send_modifiers_to_client_in_list(struct wl_client *client,
struct wl_list *list,
uint32_t serial,
struct weston_keyboard *keyboard)
{
struct wl_resource *resource;
wl_resource_for_each(resource, list) {
if (wl_resource_get_client(resource) == client)
send_modifiers_to_resource(keyboard,
resource,
serial);
}
}
static struct weston_pointer_client *
find_pointer_client_for_surface(struct weston_pointer *pointer,
struct weston_surface *surface)
{
struct wl_client *client;
if (!surface)
return NULL;
if (!surface->resource)
return NULL;
client = wl_resource_get_client(surface->resource);
return weston_pointer_get_pointer_client(pointer, client);
}
static struct weston_pointer_client *
find_pointer_client_for_view(struct weston_pointer *pointer, struct weston_view *view)
{
if (!view)
return NULL;
return find_pointer_client_for_surface(pointer, view->surface);
}
static struct wl_resource *
find_resource_for_surface(struct wl_list *list, struct weston_surface *surface)
{
if (!surface)
return NULL;
if (!surface->resource)
return NULL;
return wl_resource_find_for_client(list, wl_resource_get_client(surface->resource));
}
/** Send wl_keyboard.modifiers events to focused resources and pointer
* focused resources.
*
* \param keyboard The keyboard where the modifiers events originates from.
* \param serial The serial of the event
* \param mods_depressed The mods_depressed value of the event
* \param mods_latched The mods_latched value of the event
* \param mods_locked The mods_locked value of the event
* \param group The group value of the event
*
* For every resource that is currently in focus, send a wl_keyboard.modifiers
* event with the passed parameters. The focused resources are the wl_keyboard
* resources of the client which currently has the surface with keyboard focus.
* This also sends wl_keyboard.modifiers events to the wl_keyboard resources of
* the client having pointer focus (if different from the keyboard focus client).
*/
WL_EXPORT void
weston_keyboard_send_modifiers(struct weston_keyboard *keyboard,
uint32_t serial, uint32_t mods_depressed,
uint32_t mods_latched,
uint32_t mods_locked, uint32_t group)
{
struct weston_pointer *pointer =
weston_seat_get_pointer(keyboard->seat);
if (weston_keyboard_has_focus_resource(keyboard)) {
struct wl_list *resource_list;
struct wl_resource *resource;
resource_list = &keyboard->focus_resource_list;
wl_resource_for_each(resource, resource_list) {
wl_keyboard_send_modifiers(resource, serial,
mods_depressed, mods_latched,
mods_locked, group);
}
}
if (pointer && pointer->focus && pointer->focus->surface->resource &&
pointer->focus->surface != keyboard->focus) {
struct wl_client *pointer_client =
wl_resource_get_client(pointer->focus->surface->resource);
send_modifiers_to_client_in_list(pointer_client,
&keyboard->resource_list,
serial,
keyboard);
}
}
static void
default_grab_keyboard_modifiers(struct weston_keyboard_grab *grab,
uint32_t serial, uint32_t mods_depressed,
uint32_t mods_latched,
uint32_t mods_locked, uint32_t group)
{
weston_keyboard_send_modifiers(grab->keyboard, serial, mods_depressed,
mods_latched, mods_locked, group);
}
static void
default_grab_keyboard_cancel(struct weston_keyboard_grab *grab)
{
}
static const struct weston_keyboard_grab_interface
default_keyboard_grab_interface = {
default_grab_keyboard_key,
default_grab_keyboard_modifiers,
default_grab_keyboard_cancel,
};
static void
pointer_unmap_sprite(struct weston_pointer *pointer)
{
struct weston_surface *surface = pointer->sprite->surface;
if (weston_surface_is_mapped(surface))
weston_surface_unmap(surface);
wl_list_remove(&pointer->sprite_destroy_listener.link);
surface->committed = NULL;
surface->committed_private = NULL;
weston_surface_set_label_func(surface, NULL);
weston_view_destroy(pointer->sprite);
pointer->sprite = NULL;
}
static void
pointer_handle_sprite_destroy(struct wl_listener *listener, void *data)
{
struct weston_pointer *pointer =
container_of(listener, struct weston_pointer,
sprite_destroy_listener);
pointer->sprite = NULL;
}
static void
weston_pointer_reset_state(struct weston_pointer *pointer)
{
pointer->button_count = 0;
}
static void
weston_pointer_handle_output_destroy(struct wl_listener *listener, void *data);
static struct weston_pointer *
weston_pointer_create(struct weston_seat *seat)
{
struct weston_pointer *pointer;
pointer = zalloc(sizeof *pointer);
if (pointer == NULL)
return NULL;
wl_list_init(&pointer->pointer_clients);
weston_pointer_set_default_grab(pointer,
seat->compositor->default_pointer_grab);
wl_list_init(&pointer->focus_resource_listener.link);
pointer->focus_resource_listener.notify = pointer_focus_resource_destroyed;
pointer->default_grab.pointer = pointer;
pointer->grab = &pointer->default_grab;
wl_signal_init(&pointer->motion_signal);
wl_signal_init(&pointer->focus_signal);
wl_list_init(&pointer->focus_view_listener.link);
wl_signal_init(&pointer->destroy_signal);
wl_list_init(&pointer->timestamps_list);
pointer->sprite_destroy_listener.notify = pointer_handle_sprite_destroy;
/* FIXME: Pick better co-ords. */
pointer->x = wl_fixed_from_int(100);
pointer->y = wl_fixed_from_int(100);
pointer->output_destroy_listener.notify =
weston_pointer_handle_output_destroy;
wl_signal_add(&seat->compositor->output_destroyed_signal,
&pointer->output_destroy_listener);
pointer->sx = wl_fixed_from_int(-1000000);
pointer->sy = wl_fixed_from_int(-1000000);
return pointer;
}
static void
weston_pointer_destroy(struct weston_pointer *pointer)
{
struct weston_pointer_client *pointer_client, *tmp;
wl_signal_emit(&pointer->destroy_signal, pointer);
if (pointer->sprite)
pointer_unmap_sprite(pointer);
wl_list_for_each_safe(pointer_client, tmp, &pointer->pointer_clients,
link) {
wl_list_remove(&pointer_client->link);
weston_pointer_client_destroy(pointer_client);
}
wl_list_remove(&pointer->focus_resource_listener.link);
wl_list_remove(&pointer->focus_view_listener.link);
wl_list_remove(&pointer->output_destroy_listener.link);
wl_list_remove(&pointer->timestamps_list);
free(pointer);
}
void
weston_pointer_set_default_grab(struct weston_pointer *pointer,
const struct weston_pointer_grab_interface *interface)
{
if (interface)
pointer->default_grab.interface = interface;
else
pointer->default_grab.interface =
&default_pointer_grab_interface;
}
static struct weston_keyboard *
weston_keyboard_create(void)
{
struct weston_keyboard *keyboard;
keyboard = zalloc(sizeof *keyboard);
if (keyboard == NULL)
return NULL;
wl_list_init(&keyboard->resource_list);
wl_list_init(&keyboard->focus_resource_list);
wl_list_init(&keyboard->focus_resource_listener.link);
keyboard->focus_resource_listener.notify = keyboard_focus_resource_destroyed;
wl_array_init(&keyboard->keys);
keyboard->default_grab.interface = &default_keyboard_grab_interface;
keyboard->default_grab.keyboard = keyboard;
keyboard->grab = &keyboard->default_grab;
wl_signal_init(&keyboard->focus_signal);
wl_list_init(&keyboard->timestamps_list);
return keyboard;
}
static void
weston_xkb_info_destroy(struct weston_xkb_info *xkb_info);
static void
weston_keyboard_destroy(struct weston_keyboard *keyboard)
{
struct wl_resource *resource;
wl_resource_for_each(resource, &keyboard->resource_list) {
wl_resource_set_user_data(resource, NULL);
}
wl_resource_for_each(resource, &keyboard->focus_resource_list) {
wl_resource_set_user_data(resource, NULL);
}
wl_list_remove(&keyboard->resource_list);
wl_list_remove(&keyboard->focus_resource_list);
xkb_state_unref(keyboard->xkb_state.state);
if (keyboard->xkb_info)
weston_xkb_info_destroy(keyboard->xkb_info);
xkb_keymap_unref(keyboard->pending_keymap);
wl_array_release(&keyboard->keys);
wl_list_remove(&keyboard->focus_resource_listener.link);
wl_list_remove(&keyboard->timestamps_list);
free(keyboard);
}
static void
weston_touch_reset_state(struct weston_touch *touch)
{
touch->num_tp = 0;
}
static struct weston_touch *
weston_touch_create(void)
{
struct weston_touch *touch;
touch = zalloc(sizeof *touch);
if (touch == NULL)
return NULL;
wl_list_init(&touch->device_list);
wl_list_init(&touch->resource_list);
wl_list_init(&touch->focus_resource_list);
wl_list_init(&touch->focus_view_listener.link);
touch->focus_view_listener.notify = touch_focus_view_destroyed;
wl_list_init(&touch->focus_resource_listener.link);
touch->focus_resource_listener.notify = touch_focus_resource_destroyed;
touch->default_grab.interface = &default_touch_grab_interface;
touch->default_grab.touch = touch;
touch->grab = &touch->default_grab;
wl_signal_init(&touch->focus_signal);
wl_list_init(&touch->timestamps_list);
return touch;
}
static void
weston_touch_destroy(struct weston_touch *touch)
{
struct wl_resource *resource;
assert(wl_list_empty(&touch->device_list));
wl_resource_for_each(resource, &touch->resource_list) {
wl_resource_set_user_data(resource, NULL);
}
wl_resource_for_each(resource, &touch->focus_resource_list) {
wl_resource_set_user_data(resource, NULL);
}
wl_list_remove(&touch->resource_list);
wl_list_remove(&touch->focus_resource_list);
wl_list_remove(&touch->focus_view_listener.link);
wl_list_remove(&touch->focus_resource_listener.link);
wl_list_remove(&touch->timestamps_list);
free(touch);
}
static void
seat_send_updated_caps(struct weston_seat *seat)
{
enum wl_seat_capability caps = 0;
struct wl_resource *resource;
if (seat->pointer_device_count > 0)
caps |= WL_SEAT_CAPABILITY_POINTER;
if (seat->keyboard_device_count > 0)
caps |= WL_SEAT_CAPABILITY_KEYBOARD;
if (seat->touch_device_count > 0)
caps |= WL_SEAT_CAPABILITY_TOUCH;
wl_resource_for_each(resource, &seat->base_resource_list) {
wl_seat_send_capabilities(resource, caps);
}
wl_signal_emit(&seat->updated_caps_signal, seat);
}
/** Clear the pointer focus
*
* \param pointer the pointer to clear focus for.
*
* This can be used to unset pointer focus and set the co-ordinates to the
* arbitrary values we use for the no focus case.
*
* There's no requirement to use this function. For example, passing the
* results of a weston_compositor_pick_view() directly to
* weston_pointer_set_focus() will do the right thing when no view is found.
*/
WL_EXPORT void
weston_pointer_clear_focus(struct weston_pointer *pointer)
{
weston_pointer_set_focus(pointer, NULL,
wl_fixed_from_int(-1000000),
wl_fixed_from_int(-1000000));
}
WL_EXPORT void
weston_pointer_set_focus(struct weston_pointer *pointer,
struct weston_view *view,
wl_fixed_t sx, wl_fixed_t sy)
{
struct weston_pointer_client *pointer_client;
struct weston_keyboard *kbd = weston_seat_get_keyboard(pointer->seat);
struct wl_resource *resource;
struct wl_resource *surface_resource;
struct wl_display *display = pointer->seat->compositor->wl_display;
uint32_t serial;
struct wl_list *focus_resource_list;
int refocus = 0;
if ((!pointer->focus && view) ||
(pointer->focus && !view) ||
(pointer->focus && pointer->focus->surface != view->surface) ||
pointer->sx != sx || pointer->sy != sy)
refocus = 1;
if (pointer->focus_client && refocus) {
focus_resource_list = &pointer->focus_client->pointer_resources;
if (!wl_list_empty(focus_resource_list)) {
serial = wl_display_next_serial(display);
surface_resource = pointer->focus->surface->resource;
wl_resource_for_each(resource, focus_resource_list) {
wl_pointer_send_leave(resource, serial,
surface_resource);
pointer_send_frame(resource);
}
}
pointer->focus_client = NULL;
}
pointer_client = find_pointer_client_for_view(pointer, view);
if (pointer_client && refocus) {
struct wl_client *surface_client = pointer_client->client;
serial = wl_display_next_serial(display);
if (kbd && kbd->focus != view->surface)
send_modifiers_to_client_in_list(surface_client,
&kbd->resource_list,
serial,
kbd);
pointer->focus_client = pointer_client;
focus_resource_list = &pointer->focus_client->pointer_resources;
wl_resource_for_each(resource, focus_resource_list) {
wl_pointer_send_enter(resource,
serial,
view->surface->resource,
sx, sy);
pointer_send_frame(resource);
}
pointer->focus_serial = serial;
}
wl_list_remove(&pointer->focus_view_listener.link);
wl_list_init(&pointer->focus_view_listener.link);
wl_list_remove(&pointer->focus_resource_listener.link);
wl_list_init(&pointer->focus_resource_listener.link);
if (view)
wl_signal_add(&view->destroy_signal, &pointer->focus_view_listener);
if (view && view->surface->resource)
wl_resource_add_destroy_listener(view->surface->resource,
&pointer->focus_resource_listener);
pointer->focus = view;
pointer->focus_view_listener.notify = pointer_focus_view_destroyed;
pointer->sx = sx;
pointer->sy = sy;
assert(view || sx == wl_fixed_from_int(-1000000));
assert(view || sy == wl_fixed_from_int(-1000000));
wl_signal_emit(&pointer->focus_signal, pointer);
}
static void
send_enter_to_resource_list(struct wl_list *list,
struct weston_keyboard *keyboard,
struct weston_surface *surface,
uint32_t serial)
{
struct wl_resource *resource;
wl_resource_for_each(resource, list) {
send_modifiers_to_resource(keyboard, resource, serial);
wl_keyboard_send_enter(resource, serial,
surface->resource,
&keyboard->keys);
}
}
WL_EXPORT void
weston_keyboard_set_focus(struct weston_keyboard *keyboard,
struct weston_surface *surface)
{
struct weston_seat *seat = keyboard->seat;
struct wl_resource *resource;
struct wl_display *display = keyboard->seat->compositor->wl_display;
uint32_t serial;
struct wl_list *focus_resource_list;
/* Keyboard focus on a surface without a client is equivalent to NULL
* focus as nothing would react to the keyboard events anyway.
* Just set focus to NULL instead - the destroy listener hangs on the
* wl_resource anyway.
*/
if (surface && !surface->resource)
surface = NULL;
focus_resource_list = &keyboard->focus_resource_list;
if (!wl_list_empty(focus_resource_list) && keyboard->focus != surface) {
serial = wl_display_next_serial(display);
wl_resource_for_each(resource, focus_resource_list) {
wl_keyboard_send_leave(resource, serial,
keyboard->focus->resource);
}
move_resources(&keyboard->resource_list, focus_resource_list);
}
if (find_resource_for_surface(&keyboard->resource_list, surface) &&
keyboard->focus != surface) {
struct wl_client *surface_client =
wl_resource_get_client(surface->resource);
serial = wl_display_next_serial(display);
move_resources_for_client(focus_resource_list,
&keyboard->resource_list,
surface_client);
send_enter_to_resource_list(focus_resource_list,
keyboard,
surface,
serial);
keyboard->focus_serial = serial;
}
if (seat->saved_kbd_focus) {
wl_list_remove(&seat->saved_kbd_focus_listener.link);
seat->saved_kbd_focus = NULL;
}
wl_list_remove(&keyboard->focus_resource_listener.link);
wl_list_init(&keyboard->focus_resource_listener.link);
if (surface)
wl_resource_add_destroy_listener(surface->resource,
&keyboard->focus_resource_listener);
keyboard->focus = surface;
wl_signal_emit(&keyboard->focus_signal, keyboard);
}
/* Users of this function must manually manage the keyboard focus */
WL_EXPORT void
weston_keyboard_start_grab(struct weston_keyboard *keyboard,
struct weston_keyboard_grab *grab)
{
keyboard->grab = grab;
grab->keyboard = keyboard;
}
WL_EXPORT void
weston_keyboard_end_grab(struct weston_keyboard *keyboard)
{
keyboard->grab = &keyboard->default_grab;
}
static void
weston_keyboard_cancel_grab(struct weston_keyboard *keyboard)
{
keyboard->grab->interface->cancel(keyboard->grab);
}
WL_EXPORT void
weston_pointer_start_grab(struct weston_pointer *pointer,
struct weston_pointer_grab *grab)
{
pointer->grab = grab;
grab->pointer = pointer;
pointer->grab->interface->focus(pointer->grab);
}
WL_EXPORT void
weston_pointer_end_grab(struct weston_pointer *pointer)
{
pointer->grab = &pointer->default_grab;
pointer->grab->interface->focus(pointer->grab);
}
static void
weston_pointer_cancel_grab(struct weston_pointer *pointer)
{
pointer->grab->interface->cancel(pointer->grab);
}
WL_EXPORT void
weston_touch_start_grab(struct weston_touch *touch, struct weston_touch_grab *grab)
{
touch->grab = grab;
grab->touch = touch;
}
WL_EXPORT void
weston_touch_end_grab(struct weston_touch *touch)
{
touch->grab = &touch->default_grab;
}
static void
weston_touch_cancel_grab(struct weston_touch *touch)
{
touch->grab->interface->cancel(touch->grab);
}
static void
weston_pointer_clamp_for_output(struct weston_pointer *pointer,
struct weston_output *output,
wl_fixed_t *fx, wl_fixed_t *fy)
{
int x, y;
x = wl_fixed_to_int(*fx);
y = wl_fixed_to_int(*fy);
if (x < output->x)
*fx = wl_fixed_from_int(output->x);
else if (x >= output->x + output->width)
*fx = wl_fixed_from_int(output->x +
output->width - 1);
if (y < output->y)
*fy = wl_fixed_from_int(output->y);
else if (y >= output->y + output->height)
*fy = wl_fixed_from_int(output->y +
output->height - 1);
}
WL_EXPORT void
weston_pointer_clamp(struct weston_pointer *pointer, wl_fixed_t *fx, wl_fixed_t *fy)
{
struct weston_compositor *ec = pointer->seat->compositor;
struct weston_output *output, *prev = NULL;
int x, y, old_x, old_y, valid = 0;
x = wl_fixed_to_int(*fx);
y = wl_fixed_to_int(*fy);
old_x = wl_fixed_to_int(pointer->x);
old_y = wl_fixed_to_int(pointer->y);
wl_list_for_each(output, &ec->output_list, link) {
if (pointer->seat->output && pointer->seat->output != output)
continue;
if (pixman_region32_contains_point(&output->region,
x, y, NULL))
valid = 1;
if (pixman_region32_contains_point(&output->region,
old_x, old_y, NULL))
prev = output;
}
if (!prev)
prev = pointer->seat->output;
if (prev && !valid)
weston_pointer_clamp_for_output(pointer, prev, fx, fy);
}
static void
weston_pointer_move_to(struct weston_pointer *pointer,
wl_fixed_t x, wl_fixed_t y)
{
int32_t ix, iy;
weston_pointer_clamp (pointer, &x, &y);
pointer->x = x;
pointer->y = y;
ix = wl_fixed_to_int(x);
iy = wl_fixed_to_int(y);
if (pointer->sprite) {
weston_view_set_position(pointer->sprite,
ix - pointer->hotspot_x,
iy - pointer->hotspot_y);
weston_view_schedule_repaint(pointer->sprite);
}
pointer->grab->interface->focus(pointer->grab);
wl_signal_emit(&pointer->motion_signal, pointer);
}
WL_EXPORT void
weston_pointer_move(struct weston_pointer *pointer,
struct weston_pointer_motion_event *event)
{
wl_fixed_t x, y;
weston_pointer_motion_to_abs(pointer, event, &x, &y);
weston_pointer_move_to(pointer, x, y);
}
/** Verify if the pointer is in a valid position and move it if it isn't.
*/
static void
weston_pointer_handle_output_destroy(struct wl_listener *listener, void *data)
{
struct weston_pointer *pointer;
struct weston_compositor *ec;
struct weston_output *output, *closest = NULL;
int x, y, distance, min = INT_MAX;
wl_fixed_t fx, fy;
pointer = container_of(listener, struct weston_pointer,
output_destroy_listener);
ec = pointer->seat->compositor;
x = wl_fixed_to_int(pointer->x);
y = wl_fixed_to_int(pointer->y);
wl_list_for_each(output, &ec->output_list, link) {
if (pixman_region32_contains_point(&output->region,
x, y, NULL))
return;
/* Aproximante the distance from the pointer to the center of
* the output. */
distance = abs(output->x + output->width / 2 - x) +
abs(output->y + output->height / 2 - y);
if (distance < min) {
min = distance;
closest = output;
}
}
/* Nothing to do if there's no output left. */
if (!closest)
return;
fx = pointer->x;
fy = pointer->y;
weston_pointer_clamp_for_output(pointer, closest, &fx, &fy);
weston_pointer_move_to(pointer, fx, fy);
}
WL_EXPORT void
notify_motion(struct weston_seat *seat,
const struct timespec *time,
struct weston_pointer_motion_event *event)
{
struct weston_compositor *ec = seat->compositor;
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
weston_compositor_wake(ec);
pointer->grab->interface->motion(pointer->grab, time, event);
}
static void
run_modifier_bindings(struct weston_seat *seat, uint32_t old, uint32_t new)
{
struct weston_compositor *compositor = seat->compositor;
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
uint32_t diff;
unsigned int i;
struct {
uint32_t xkb;
enum weston_keyboard_modifier weston;
} mods[] = {
{ keyboard->xkb_info->ctrl_mod, MODIFIER_CTRL },
{ keyboard->xkb_info->alt_mod, MODIFIER_ALT },
{ keyboard->xkb_info->super_mod, MODIFIER_SUPER },
{ keyboard->xkb_info->shift_mod, MODIFIER_SHIFT },
};
diff = new & ~old;
for (i = 0; i < ARRAY_LENGTH(mods); i++) {
if (diff & (1 << mods[i].xkb))
weston_compositor_run_modifier_binding(compositor,
keyboard,
mods[i].weston,
WL_KEYBOARD_KEY_STATE_PRESSED);
}
diff = old & ~new;
for (i = 0; i < ARRAY_LENGTH(mods); i++) {
if (diff & (1 << mods[i].xkb))
weston_compositor_run_modifier_binding(compositor,
keyboard,
mods[i].weston,
WL_KEYBOARD_KEY_STATE_RELEASED);
}
}
WL_EXPORT void
notify_motion_absolute(struct weston_seat *seat, const struct timespec *time,
double x, double y)
{
struct weston_compositor *ec = seat->compositor;
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
struct weston_pointer_motion_event event = { 0 };
weston_compositor_wake(ec);
event = (struct weston_pointer_motion_event) {
.mask = WESTON_POINTER_MOTION_ABS,
.x = x,
.y = y,
};
pointer->grab->interface->motion(pointer->grab, time, &event);
}
static unsigned int
peek_next_activate_serial(struct weston_compositor *c)
{
unsigned serial = c->activate_serial + 1;
return serial == 0 ? 1 : serial;
}
static void
inc_activate_serial(struct weston_compositor *c)
{
c->activate_serial = peek_next_activate_serial (c);
}
WL_EXPORT void
weston_view_activate(struct weston_view *view,
struct weston_seat *seat,
uint32_t flags)
{
struct weston_compositor *compositor = seat->compositor;
if (flags & WESTON_ACTIVATE_FLAG_CLICKED) {
view->click_to_activate_serial =
peek_next_activate_serial(compositor);
}
weston_seat_set_keyboard_focus(seat, view->surface);
}
WL_EXPORT void
notify_button(struct weston_seat *seat, const struct timespec *time,
int32_t button, enum wl_pointer_button_state state)
{
struct weston_compositor *compositor = seat->compositor;
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
weston_compositor_idle_inhibit(compositor);
if (pointer->button_count == 0) {
pointer->grab_button = button;
pointer->grab_time = *time;
pointer->grab_x = pointer->x;
pointer->grab_y = pointer->y;
}
pointer->button_count++;
} else {
weston_compositor_idle_release(compositor);
pointer->button_count--;
}
weston_compositor_run_button_binding(compositor, pointer, time, button,
state);
pointer->grab->interface->button(pointer->grab, time, button, state);
if (pointer->button_count == 1)
pointer->grab_serial =
wl_display_get_serial(compositor->wl_display);
}
WL_EXPORT void
notify_axis(struct weston_seat *seat, const struct timespec *time,
struct weston_pointer_axis_event *event)
{
struct weston_compositor *compositor = seat->compositor;
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
weston_compositor_wake(compositor);
if (weston_compositor_run_axis_binding(compositor, pointer,
time, event))
return;
pointer->grab->interface->axis(pointer->grab, time, event);
}
WL_EXPORT void
notify_axis_source(struct weston_seat *seat, uint32_t source)
{
struct weston_compositor *compositor = seat->compositor;
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
weston_compositor_wake(compositor);
pointer->grab->interface->axis_source(pointer->grab, source);
}
WL_EXPORT void
notify_pointer_frame(struct weston_seat *seat)
{
struct weston_compositor *compositor = seat->compositor;
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
weston_compositor_wake(compositor);
pointer->grab->interface->frame(pointer->grab);
}
WL_EXPORT int
weston_keyboard_set_locks(struct weston_keyboard *keyboard,
uint32_t mask, uint32_t value)
{
uint32_t serial;
xkb_mod_mask_t mods_depressed, mods_latched, mods_locked, group;
xkb_mod_mask_t num, caps;
/* We don't want the leds to go out of sync with the actual state
* so if the backend has no way to change the leds don't try to
* change the state */
if (!keyboard->seat->led_update)
return -1;
mods_depressed = xkb_state_serialize_mods(keyboard->xkb_state.state,
XKB_STATE_DEPRESSED);
mods_latched = xkb_state_serialize_mods(keyboard->xkb_state.state,
XKB_STATE_LATCHED);
mods_locked = xkb_state_serialize_mods(keyboard->xkb_state.state,
XKB_STATE_LOCKED);
group = xkb_state_serialize_group(keyboard->xkb_state.state,
XKB_STATE_EFFECTIVE);
num = (1 << keyboard->xkb_info->mod2_mod);
caps = (1 << keyboard->xkb_info->caps_mod);
if (mask & WESTON_NUM_LOCK) {
if (value & WESTON_NUM_LOCK)
mods_locked |= num;
else
mods_locked &= ~num;
}
if (mask & WESTON_CAPS_LOCK) {
if (value & WESTON_CAPS_LOCK)
mods_locked |= caps;
else
mods_locked &= ~caps;
}
xkb_state_update_mask(keyboard->xkb_state.state, mods_depressed,
mods_latched, mods_locked, 0, 0, group);
serial = wl_display_next_serial(
keyboard->seat->compositor->wl_display);
notify_modifiers(keyboard->seat, serial);
return 0;
}
WL_EXPORT void
notify_modifiers(struct weston_seat *seat, uint32_t serial)
{
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
struct weston_keyboard_grab *grab = keyboard->grab;
uint32_t mods_depressed, mods_latched, mods_locked, group;
uint32_t mods_lookup;
enum weston_led leds = 0;
int changed = 0;
/* Serialize and update our internal state, checking to see if it's
* different to the previous state. */
mods_depressed = xkb_state_serialize_mods(keyboard->xkb_state.state,
XKB_STATE_MODS_DEPRESSED);
mods_latched = xkb_state_serialize_mods(keyboard->xkb_state.state,
XKB_STATE_MODS_LATCHED);
mods_locked = xkb_state_serialize_mods(keyboard->xkb_state.state,
XKB_STATE_MODS_LOCKED);
group = xkb_state_serialize_layout(keyboard->xkb_state.state,
XKB_STATE_LAYOUT_EFFECTIVE);
if (mods_depressed != keyboard->modifiers.mods_depressed ||
mods_latched != keyboard->modifiers.mods_latched ||
mods_locked != keyboard->modifiers.mods_locked ||
group != keyboard->modifiers.group)
changed = 1;
run_modifier_bindings(seat, keyboard->modifiers.mods_depressed,
mods_depressed);
keyboard->modifiers.mods_depressed = mods_depressed;
keyboard->modifiers.mods_latched = mods_latched;
keyboard->modifiers.mods_locked = mods_locked;
keyboard->modifiers.group = group;
/* And update the modifier_state for bindings. */
mods_lookup = mods_depressed | mods_latched;
seat->modifier_state = 0;
if (mods_lookup & (1 << keyboard->xkb_info->ctrl_mod))
seat->modifier_state |= MODIFIER_CTRL;
if (mods_lookup & (1 << keyboard->xkb_info->alt_mod))
seat->modifier_state |= MODIFIER_ALT;
if (mods_lookup & (1 << keyboard->xkb_info->super_mod))
seat->modifier_state |= MODIFIER_SUPER;
if (mods_lookup & (1 << keyboard->xkb_info->shift_mod))
seat->modifier_state |= MODIFIER_SHIFT;
/* Finally, notify the compositor that LEDs have changed. */
if (xkb_state_led_index_is_active(keyboard->xkb_state.state,
keyboard->xkb_info->num_led))
leds |= LED_NUM_LOCK;
if (xkb_state_led_index_is_active(keyboard->xkb_state.state,
keyboard->xkb_info->caps_led))
leds |= LED_CAPS_LOCK;
if (xkb_state_led_index_is_active(keyboard->xkb_state.state,
keyboard->xkb_info->scroll_led))
leds |= LED_SCROLL_LOCK;
if (leds != keyboard->xkb_state.leds && seat->led_update)
seat->led_update(seat, leds);
keyboard->xkb_state.leds = leds;
if (changed) {
grab->interface->modifiers(grab,
serial,
keyboard->modifiers.mods_depressed,
keyboard->modifiers.mods_latched,
keyboard->modifiers.mods_locked,
keyboard->modifiers.group);
}
}
static void
update_modifier_state(struct weston_seat *seat, uint32_t serial, uint32_t key,
enum wl_keyboard_key_state state)
{
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
enum xkb_key_direction direction;
if (state == WL_KEYBOARD_KEY_STATE_PRESSED)
direction = XKB_KEY_DOWN;
else
direction = XKB_KEY_UP;
/* Offset the keycode by 8, as the evdev XKB rules reflect X's
* broken keycode system, which starts at 8. */
xkb_state_update_key(keyboard->xkb_state.state, key + 8, direction);
notify_modifiers(seat, serial);
}
WL_EXPORT void
weston_keyboard_send_keymap(struct weston_keyboard *kbd, struct wl_resource *resource)
{
struct weston_xkb_info *xkb_info = kbd->xkb_info;
void *area;
int fd;
fd = os_create_anonymous_file(xkb_info->keymap_size);
if (fd < 0) {
weston_log("creating a keymap file for %lu bytes failed: %m\n",
(unsigned long) xkb_info->keymap_size);
return;
}
area = mmap(NULL, xkb_info->keymap_size, PROT_READ | PROT_WRITE,
MAP_SHARED, fd, 0);
if (area == MAP_FAILED) {
weston_log("failed to mmap() %lu bytes\n",
(unsigned long) xkb_info->keymap_size);
goto err_mmap;
}
strcpy(area, xkb_info->keymap_string);
munmap(area, xkb_info->keymap_size);
wl_keyboard_send_keymap(resource,
WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
fd,
xkb_info->keymap_size);
err_mmap:
close(fd);
}
static void
send_modifiers(struct wl_resource *resource, uint32_t serial, struct weston_keyboard *keyboard)
{
wl_keyboard_send_modifiers(resource, serial,
keyboard->modifiers.mods_depressed,
keyboard->modifiers.mods_latched,
keyboard->modifiers.mods_locked,
keyboard->modifiers.group);
}
static struct weston_xkb_info *
weston_xkb_info_create(struct xkb_keymap *keymap);
static void
update_keymap(struct weston_seat *seat)
{
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
struct wl_resource *resource;
struct weston_xkb_info *xkb_info;
struct xkb_state *state;
xkb_mod_mask_t latched_mods;
xkb_mod_mask_t locked_mods;
xkb_info = weston_xkb_info_create(keyboard->pending_keymap);
xkb_keymap_unref(keyboard->pending_keymap);
keyboard->pending_keymap = NULL;
if (!xkb_info) {
weston_log("failed to create XKB info\n");
return;
}
state = xkb_state_new(xkb_info->keymap);
if (!state) {
weston_log("failed to initialise XKB state\n");
weston_xkb_info_destroy(xkb_info);
return;
}
latched_mods = xkb_state_serialize_mods(keyboard->xkb_state.state,
XKB_STATE_MODS_LATCHED);
locked_mods = xkb_state_serialize_mods(keyboard->xkb_state.state,
XKB_STATE_MODS_LOCKED);
xkb_state_update_mask(state,
0, /* depressed */
latched_mods,
locked_mods,
0, 0, 0);
weston_xkb_info_destroy(keyboard->xkb_info);
keyboard->xkb_info = xkb_info;
xkb_state_unref(keyboard->xkb_state.state);
keyboard->xkb_state.state = state;
wl_resource_for_each(resource, &keyboard->resource_list)
weston_keyboard_send_keymap(keyboard, resource);
wl_resource_for_each(resource, &keyboard->focus_resource_list)
weston_keyboard_send_keymap(keyboard, resource);
notify_modifiers(seat, wl_display_next_serial(seat->compositor->wl_display));
if (!latched_mods && !locked_mods)
return;
wl_resource_for_each(resource, &keyboard->resource_list)
send_modifiers(resource, wl_display_get_serial(seat->compositor->wl_display), keyboard);
wl_resource_for_each(resource, &keyboard->focus_resource_list)
send_modifiers(resource, wl_display_get_serial(seat->compositor->wl_display), keyboard);
}
WL_EXPORT void
notify_key(struct weston_seat *seat, const struct timespec *time, uint32_t key,
enum wl_keyboard_key_state state,
enum weston_key_state_update update_state)
{
struct weston_compositor *compositor = seat->compositor;
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
struct weston_keyboard_grab *grab = keyboard->grab;
uint32_t *k, *end;
if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
weston_compositor_idle_inhibit(compositor);
} else {
weston_compositor_idle_release(compositor);
}
end = keyboard->keys.data + keyboard->keys.size;
for (k = keyboard->keys.data; k < end; k++) {
if (*k == key) {
/* Ignore server-generated repeats. */
if (state == WL_KEYBOARD_KEY_STATE_PRESSED)
return;
*k = *--end;
}
}
keyboard->keys.size = (void *) end - keyboard->keys.data;
if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
k = wl_array_add(&keyboard->keys, sizeof *k);
*k = key;
}
if (grab == &keyboard->default_grab ||
grab == &keyboard->input_method_grab) {
weston_compositor_run_key_binding(compositor, keyboard, time,
key, state);
grab = keyboard->grab;
}
grab->interface->key(grab, time, key, state);
if (keyboard->pending_keymap &&
keyboard->keys.size == 0)
update_keymap(seat);
if (update_state == STATE_UPDATE_AUTOMATIC) {
update_modifier_state(seat,
wl_display_get_serial(compositor->wl_display),
key,
state);
}
keyboard->grab_serial = wl_display_get_serial(compositor->wl_display);
if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
keyboard->grab_time = *time;
keyboard->grab_key = key;
}
}
WL_EXPORT void
notify_pointer_focus(struct weston_seat *seat, struct weston_output *output,
double x, double y)
{
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
if (output) {
weston_pointer_move_to(pointer,
wl_fixed_from_double(x),
wl_fixed_from_double(y));
} else {
/* FIXME: We should call weston_pointer_set_focus(seat,
* NULL) here, but somehow that breaks re-entry... */
}
}
static void
destroy_device_saved_kbd_focus(struct wl_listener *listener, void *data)
{
struct weston_seat *ws;
ws = container_of(listener, struct weston_seat,
saved_kbd_focus_listener);
ws->saved_kbd_focus = NULL;
}
WL_EXPORT void
notify_keyboard_focus_in(struct weston_seat *seat, struct wl_array *keys,
enum weston_key_state_update update_state)
{
struct weston_compositor *compositor = seat->compositor;
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
struct weston_surface *surface;
uint32_t *k, serial;
serial = wl_display_next_serial(compositor->wl_display);
wl_array_copy(&keyboard->keys, keys);
wl_array_for_each(k, &keyboard->keys) {
weston_compositor_idle_inhibit(compositor);
if (update_state == STATE_UPDATE_AUTOMATIC)
update_modifier_state(seat, serial, *k,
WL_KEYBOARD_KEY_STATE_PRESSED);
}
surface = seat->saved_kbd_focus;
if (surface) {
weston_keyboard_set_focus(keyboard, surface);
}
}
WL_EXPORT void
notify_keyboard_focus_out(struct weston_seat *seat)
{
struct weston_compositor *compositor = seat->compositor;
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
struct weston_surface *focus = keyboard->focus;
uint32_t *k, serial;
serial = wl_display_next_serial(compositor->wl_display);
wl_array_for_each(k, &keyboard->keys) {
weston_compositor_idle_release(compositor);
update_modifier_state(seat, serial, *k,
WL_KEYBOARD_KEY_STATE_RELEASED);
}
seat->modifier_state = 0;
weston_keyboard_set_focus(keyboard, NULL);
weston_keyboard_cancel_grab(keyboard);
if (pointer)
weston_pointer_cancel_grab(pointer);
if (focus) {
seat->saved_kbd_focus = focus;
seat->saved_kbd_focus_listener.notify =
destroy_device_saved_kbd_focus;
wl_signal_add(&focus->destroy_signal,
&seat->saved_kbd_focus_listener);
}
}
WL_EXPORT void
weston_touch_set_focus(struct weston_touch *touch, struct weston_view *view)
{
struct wl_list *focus_resource_list;
focus_resource_list = &touch->focus_resource_list;
if (view && touch->focus &&
touch->focus->surface == view->surface) {
touch->focus = view;
return;
}
wl_list_remove(&touch->focus_resource_listener.link);
wl_list_init(&touch->focus_resource_listener.link);
wl_list_remove(&touch->focus_view_listener.link);
wl_list_init(&touch->focus_view_listener.link);
if (!wl_list_empty(focus_resource_list)) {
move_resources(&touch->resource_list,
focus_resource_list);
}
if (view) {
struct wl_client *surface_client;
if (!view->surface->resource) {
touch->focus = NULL;
return;
}
surface_client = wl_resource_get_client(view->surface->resource);
move_resources_for_client(focus_resource_list,
&touch->resource_list,
surface_client);
wl_resource_add_destroy_listener(view->surface->resource,
&touch->focus_resource_listener);
wl_signal_add(&view->destroy_signal, &touch->focus_view_listener);
}
touch->focus = view;
}
static void
process_touch_normal(struct weston_touch_device *device,
const struct timespec *time, int touch_id,
double double_x, double double_y, int touch_type)
{
struct weston_touch *touch = device->aggregate;
struct weston_touch_grab *grab = device->aggregate->grab;
struct weston_compositor *ec = device->aggregate->seat->compositor;
struct weston_view *ev;
wl_fixed_t sx, sy;
wl_fixed_t x = wl_fixed_from_double(double_x);
wl_fixed_t y = wl_fixed_from_double(double_y);
/* Update grab's global coordinates. */
if (touch_id == touch->grab_touch_id && touch_type != WL_TOUCH_UP) {
touch->grab_x = x;
touch->grab_y = y;
}
switch (touch_type) {
case WL_TOUCH_DOWN:
/* the first finger down picks the view, and all further go
* to that view for the remainder of the touch session i.e.
* until all touch points are up again. */
if (touch->num_tp == 1) {
ev = weston_compositor_pick_view(ec, x, y, &sx, &sy);
weston_touch_set_focus(touch, ev);
} else if (!touch->focus) {
/* Unexpected condition: We have non-initial touch but
* there is no focused surface.
*/
weston_log("touch event received with %d points down "
"but no surface focused\n", touch->num_tp);
return;
}
weston_compositor_run_touch_binding(ec, touch,
time, touch_type);
grab->interface->down(grab, time, touch_id, x, y);
if (touch->num_tp == 1) {
touch->grab_serial =
wl_display_get_serial(ec->wl_display);
touch->grab_touch_id = touch_id;
touch->grab_time = *time;
touch->grab_x = x;
touch->grab_y = y;
}
break;
case WL_TOUCH_MOTION:
ev = touch->focus;
if (!ev)
break;
grab->interface->motion(grab, time, touch_id, x, y);
break;
case WL_TOUCH_UP:
grab->interface->up(grab, time, touch_id);
if (touch->num_tp == 0)
weston_touch_set_focus(touch, NULL);
break;
}
}
static enum weston_touch_mode
get_next_touch_mode(enum weston_touch_mode from)
{
switch (from) {
case WESTON_TOUCH_MODE_PREP_NORMAL:
return WESTON_TOUCH_MODE_NORMAL;
case WESTON_TOUCH_MODE_PREP_CALIB:
return WESTON_TOUCH_MODE_CALIB;
case WESTON_TOUCH_MODE_NORMAL:
case WESTON_TOUCH_MODE_CALIB:
return from;
}
return WESTON_TOUCH_MODE_NORMAL;
}
/** Global touch mode update
*
* If no seat has a touch down and the compositor is in a PREP touch mode,
* set the compositor to the goal touch mode.
*
* Calls calibrator if touch mode changed.
*/
static void
weston_compositor_update_touch_mode(struct weston_compositor *compositor)
{
struct weston_seat *seat;
struct weston_touch *touch;
enum weston_touch_mode goal;
wl_list_for_each(seat, &compositor->seat_list, link) {
touch = weston_seat_get_touch(seat);
if (!touch)
continue;
if (touch->num_tp > 0)
return;
}
goal = get_next_touch_mode(compositor->touch_mode);
if (compositor->touch_mode != goal) {
compositor->touch_mode = goal;
touch_calibrator_mode_changed(compositor);
}
}
/** Start transition to normal touch event handling
*
* The touch event mode changes when all touches on all touch devices have
* been lifted. If no touches are currently down, the transition is immediate.
*
* \sa weston_touch_mode
*/
void
weston_compositor_set_touch_mode_normal(struct weston_compositor *compositor)
{
switch (compositor->touch_mode) {
case WESTON_TOUCH_MODE_PREP_NORMAL:
case WESTON_TOUCH_MODE_NORMAL:
return;
case WESTON_TOUCH_MODE_PREP_CALIB:
compositor->touch_mode = WESTON_TOUCH_MODE_NORMAL;
touch_calibrator_mode_changed(compositor);
return;
case WESTON_TOUCH_MODE_CALIB:
compositor->touch_mode = WESTON_TOUCH_MODE_PREP_NORMAL;
}
weston_compositor_update_touch_mode(compositor);
}
/** Start transition to calibrator touch event handling
*
* The touch event mode changes when all touches on all touch devices have
* been lifted. If no touches are currently down, the transition is immediate.
*
* \sa weston_touch_mode
*/
void
weston_compositor_set_touch_mode_calib(struct weston_compositor *compositor)
{
switch (compositor->touch_mode) {
case WESTON_TOUCH_MODE_PREP_CALIB:
case WESTON_TOUCH_MODE_CALIB:
assert(0);
return;
case WESTON_TOUCH_MODE_PREP_NORMAL:
compositor->touch_mode = WESTON_TOUCH_MODE_CALIB;
touch_calibrator_mode_changed(compositor);
return;
case WESTON_TOUCH_MODE_NORMAL:
compositor->touch_mode = WESTON_TOUCH_MODE_PREP_CALIB;
}
weston_compositor_update_touch_mode(compositor);
}
/** Feed in touch down, motion, and up events, calibratable device.
*
* It assumes always the correct cycle sequence until it gets here: touch_down
* → touch_update → ... → touch_update → touch_end. The driver is responsible
* for sending along such order.
*
* \param device The physical device that generated the event.
* \param time The event timestamp.
* \param touch_id ID for the touch point of this event (multi-touch).
* \param double_x X coordinate in compositor global space.
* \param double_y Y coordinate in compositor global space.
* \param norm Normalized device X, Y coordinates in calibration space, or NULL.
* \param touch_type Either WL_TOUCH_DOWN, WL_TOUCH_UP, or WL_TOUCH_MOTION.
*
* Coordinates double_x and double_y are used for normal operation.
*
* Coordinates norm are only used for touch device calibration. If and only if
* the weston_touch_device does not support calibrating, norm must be NULL.
*
* The calibration space is the normalized coordinate space
* [0.0, 1.0]×[0.0, 1.0] of the weston_touch_device. This is assumed to
* map to the similar normalized coordinate space of the associated
* weston_output.
*/
WL_EXPORT void
notify_touch_normalized(struct weston_touch_device *device,
const struct timespec *time,
int touch_id,
double x, double y,
const struct weston_point2d_device_normalized *norm,
int touch_type)
{
struct weston_seat *seat = device->aggregate->seat;
struct weston_touch *touch = device->aggregate;
if (touch_type != WL_TOUCH_UP) {
if (weston_touch_device_can_calibrate(device))
assert(norm != NULL);
else
assert(norm == NULL);
}
/* Update touchpoints count regardless of the current mode. */
switch (touch_type) {
case WL_TOUCH_DOWN:
weston_compositor_idle_inhibit(seat->compositor);
touch->num_tp++;
break;
case WL_TOUCH_UP:
if (touch->num_tp == 0) {
/* This can happen if we start out with one or
* more fingers on the touch screen, in which
* case we didn't get the corresponding down
* event. */
weston_log("Unmatched touch up event on seat %s, device %s\n",
seat->seat_name, device->syspath);
return;
}
weston_compositor_idle_release(seat->compositor);
touch->num_tp--;
break;
default:
break;
}
/* Properly forward the touch event */
switch (weston_touch_device_get_mode(device)) {
case WESTON_TOUCH_MODE_NORMAL:
case WESTON_TOUCH_MODE_PREP_CALIB:
process_touch_normal(device, time, touch_id, x, y, touch_type);
break;
case WESTON_TOUCH_MODE_CALIB:
case WESTON_TOUCH_MODE_PREP_NORMAL:
notify_touch_calibrator(device, time, touch_id,
norm, touch_type);
break;
}
}
WL_EXPORT void
notify_touch_frame(struct weston_touch_device *device)
{
struct weston_touch_grab *grab;
switch (weston_touch_device_get_mode(device)) {
case WESTON_TOUCH_MODE_NORMAL:
case WESTON_TOUCH_MODE_PREP_CALIB:
grab = device->aggregate->grab;
grab->interface->frame(grab);
break;
case WESTON_TOUCH_MODE_CALIB:
case WESTON_TOUCH_MODE_PREP_NORMAL:
notify_touch_calibrator_frame(device);
break;
}
weston_compositor_update_touch_mode(device->aggregate->seat->compositor);
}
WL_EXPORT void
notify_touch_cancel(struct weston_touch_device *device)
{
struct weston_touch_grab *grab;
switch (weston_touch_device_get_mode(device)) {
case WESTON_TOUCH_MODE_NORMAL:
case WESTON_TOUCH_MODE_PREP_CALIB:
grab = device->aggregate->grab;
grab->interface->cancel(grab);
break;
case WESTON_TOUCH_MODE_CALIB:
case WESTON_TOUCH_MODE_PREP_NORMAL:
notify_touch_calibrator_cancel(device);
break;
}
weston_compositor_update_touch_mode(device->aggregate->seat->compositor);
}
static int
pointer_cursor_surface_get_label(struct weston_surface *surface,
char *buf, size_t len)
{
return snprintf(buf, len, "cursor");
}
static void
pointer_cursor_surface_committed(struct weston_surface *es,
int32_t dx, int32_t dy)
{
struct weston_pointer *pointer = es->committed_private;
int x, y;
if (es->width == 0)
return;
assert(es == pointer->sprite->surface);
pointer->hotspot_x -= dx;
pointer->hotspot_y -= dy;
x = wl_fixed_to_int(pointer->x) - pointer->hotspot_x;
y = wl_fixed_to_int(pointer->y) - pointer->hotspot_y;
weston_view_set_position(pointer->sprite, x, y);
empty_region(&es->pending.input);
empty_region(&es->input);
if (!weston_surface_is_mapped(es)) {
weston_layer_entry_insert(&es->compositor->cursor_layer.view_list,
&pointer->sprite->layer_link);
weston_view_update_transform(pointer->sprite);
es->is_mapped = true;
pointer->sprite->is_mapped = true;
}
}
static void
pointer_set_cursor(struct wl_client *client, struct wl_resource *resource,
uint32_t serial, struct wl_resource *surface_resource,
int32_t x, int32_t y)
{
struct weston_pointer *pointer = wl_resource_get_user_data(resource);
struct weston_surface *surface = NULL;
if (!pointer)
return;
if (surface_resource)
surface = wl_resource_get_user_data(surface_resource);
if (pointer->focus == NULL)
return;
/* pointer->focus->surface->resource can be NULL. Surfaces like the
black_surface used in shell.c for fullscreen don't have
a resource, but can still have focus */
if (pointer->focus->surface->resource == NULL)
return;
if (wl_resource_get_client(pointer->focus->surface->resource) != client)
return;
if (pointer->focus_serial - serial > UINT32_MAX / 2)
return;
if (!surface) {
if (pointer->sprite)
pointer_unmap_sprite(pointer);
return;
}
if (pointer->sprite && pointer->sprite->surface == surface &&
pointer->hotspot_x == x && pointer->hotspot_y == y)
return;
if (!pointer->sprite || pointer->sprite->surface != surface) {
if (weston_surface_set_role(surface, "wl_pointer-cursor",
resource,
WL_POINTER_ERROR_ROLE) < 0)
return;
if (pointer->sprite)
pointer_unmap_sprite(pointer);
wl_signal_add(&surface->destroy_signal,
&pointer->sprite_destroy_listener);
surface->committed = pointer_cursor_surface_committed;
surface->committed_private = pointer;
weston_surface_set_label_func(surface,
pointer_cursor_surface_get_label);
pointer->sprite = weston_view_create(surface);
}
pointer->hotspot_x = x;
pointer->hotspot_y = y;
if (surface->buffer_ref.buffer) {
pointer_cursor_surface_committed(surface, 0, 0);
weston_view_schedule_repaint(pointer->sprite);
}
}
static void
pointer_release(struct wl_client *client, struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static const struct wl_pointer_interface pointer_interface = {
pointer_set_cursor,
pointer_release
};
static void
seat_get_pointer(struct wl_client *client, struct wl_resource *resource,
uint32_t id)
{
struct weston_seat *seat = wl_resource_get_user_data(resource);
/* We use the pointer_state directly, which means we'll
* give a wl_pointer if the seat has ever had one - even though
* the spec explicitly states that this request only takes effect
* if the seat has the pointer capability.
*
* This prevents a race between the compositor sending new
* capabilities and the client trying to use the old ones.
*/
struct weston_pointer *pointer = seat ? seat->pointer_state : NULL;
struct wl_resource *cr;
struct weston_pointer_client *pointer_client;
cr = wl_resource_create(client, &wl_pointer_interface,
wl_resource_get_version(resource), id);
if (cr == NULL) {
wl_client_post_no_memory(client);
return;
}
wl_list_init(wl_resource_get_link(cr));
wl_resource_set_implementation(cr, &pointer_interface, pointer,
unbind_pointer_client_resource);
/* If we don't have a pointer_state, the resource is inert, so there
* is nothing more to set up */
if (!pointer)
return;
pointer_client = weston_pointer_ensure_pointer_client(pointer, client);
if (!pointer_client) {
wl_client_post_no_memory(client);
return;
}
wl_list_insert(&pointer_client->pointer_resources,
wl_resource_get_link(cr));
if (pointer->focus && pointer->focus->surface->resource &&
wl_resource_get_client(pointer->focus->surface->resource) == client) {
wl_fixed_t sx, sy;
weston_view_from_global_fixed(pointer->focus,
pointer->x,
pointer->y,
&sx, &sy);
wl_pointer_send_enter(cr,
pointer->focus_serial,
pointer->focus->surface->resource,
sx, sy);
pointer_send_frame(cr);
}
}
static void
destroy_keyboard_resource(struct wl_resource *resource)
{
struct weston_keyboard *keyboard = wl_resource_get_user_data(resource);
wl_list_remove(wl_resource_get_link(resource));
if (keyboard) {
remove_input_resource_from_timestamps(resource,
&keyboard->timestamps_list);
}
}
static void
keyboard_release(struct wl_client *client, struct wl_resource *resource)
{