* 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 <errno.h>
#include <linux/input.h>
#include "shared/helpers.h"
#include "shared/os-compatibility.h"
#include "shared/timespec-util.h"
#include <libweston/libweston.h>
#include "backend.h"
#include "libweston-internal.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"
#include "tablet-unstable-v2-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 line {
struct weston_coord a;
struct weston_coord 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);
}
}
*
* \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;
}
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);
}
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 struct weston_coord_global
weston_pointer_motion_to_abs(struct weston_pointer *pointer,
struct weston_pointer_motion_event *event)
{
struct weston_coord_global pos;
if (event->mask & WESTON_POINTER_MOTION_ABS) {
return event->abs;
} else if (event->mask & WESTON_POINTER_MOTION_REL) {
pos.c = weston_coord_add(pointer->pos.c, event->rel);
return pos;
}
assert(!"invalid motion event");
pos.c = weston_coord(0, 0);
return pos;
}
static bool
weston_pointer_motion_to_rel(struct weston_pointer *pointer,
struct weston_pointer_motion_event *event,
struct weston_coord *rel,
struct weston_coord *rel_unaccel)
{
if (event->mask & WESTON_POINTER_MOTION_REL &&
event->mask & WESTON_POINTER_MOTION_REL_UNACCEL) {
*rel = event->rel;
*rel_unaccel = event->rel_unaccel;
return true;
} else if (event->mask & WESTON_POINTER_MOTION_REL) {
*rel = event->rel;
*rel_unaccel = event->rel;
return true;
} else if (event->mask & WESTON_POINTER_MOTION_REL_UNACCEL) {
*rel = event->rel_unaccel;
*rel_unaccel = event->rel_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
tablet_tool_focus_view_destroyed(struct wl_listener *listener, void *data)
{
struct weston_tablet_tool *tool =
container_of(listener, struct weston_tablet_tool,
focus_view_listener);
weston_tablet_tool_set_focus(tool, NULL, 0);
}
static void
tablet_tool_focus_resource_destroyed(struct wl_listener *listener, void *data)
{
struct weston_tablet_tool *tool =
container_of(listener, struct weston_tablet_tool,
focus_resource_listener);
weston_tablet_tool_set_focus(tool, NULL, 0);
}
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;
bool surface_jump = false;
if (pointer->button_count > 0)
return;
view = weston_compositor_pick_view(pointer->seat->compositor,
pointer->pos);
if (view && view == pointer->focus) {
struct weston_coord_surface surf_pos;
weston_view_update_transform(view);
surf_pos = weston_coord_global_to_surface(view, pointer->pos);
if (pointer->sx != wl_fixed_from_double(surf_pos.c.x) ||
pointer->sy != wl_fixed_from_double(surf_pos.c.y))
surface_jump = true;
}
if (pointer->focus != view || surface_jump)
weston_pointer_set_focus(pointer, view);
}
static void
pointer_send_relative_motion(struct weston_pointer *pointer,
const struct timespec *time,
struct weston_pointer_motion_event *event)
{
uint64_t time_usec;
struct weston_coord rel, rel_unaccel;
struct wl_list *resource_list;
struct wl_resource *resource;
if (!pointer->focus_client)
return;
if (!weston_pointer_motion_to_rel(pointer, event,
&rel,
&rel_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);
wl_resource_for_each(resource, resource_list) {
zwp_relative_pointer_v1_send_relative_motion(
resource,
(uint32_t) (time_usec >> 32),
(uint32_t) time_usec,
wl_fixed_from_double(rel.x),
wl_fixed_from_double(rel.y),
wl_fixed_from_double(rel_unaccel.x),
wl_fixed_from_double(rel_unaccel.y));
}
}
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 old_sx;
wl_fixed_t old_sy;
struct weston_view *old_focus = pointer->focus;
if (pointer->focus) {
struct weston_coord_global pos;
struct weston_coord_surface surf_pos;
pos = weston_pointer_motion_to_abs(pointer, event);
old_sx = pointer->sx;
old_sy = pointer->sy;
weston_view_update_transform(pointer->focus);
surf_pos = weston_coord_global_to_surface(pointer->focus, pos);
pointer->sx = wl_fixed_from_double(surf_pos.c.x);
pointer->sy = wl_fixed_from_double(surf_pos.c.y);
}
weston_pointer_move(pointer, event);
if (pointer->focus && old_focus == pointer->focus &&
(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);
}
*
* \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;
}
*
* \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 state 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;
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->pos);
weston_pointer_set_focus(pointer, view);
}
}
*
* \param pointer The pointer where the axis events originates from.
* \param time The timestamp of the event
* \param event 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);
}
}
}
*
* \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);
}
}
*
* \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,
};
*
* \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;
}
*
* \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 pos The global coordinate 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, struct weston_coord_global pos)
{
struct wl_display *display = touch->seat->compositor->wl_display;
uint32_t serial;
struct wl_resource *resource;
struct wl_list *resource_list;
struct weston_coord_surface surf_pos;
uint32_t msecs;
if (!weston_touch_has_focus_resource(touch))
return;
weston_view_update_transform(touch->focus);
surf_pos = weston_coord_global_to_surface(touch->focus, pos);
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,
wl_fixed_from_double(surf_pos.c.x),
wl_fixed_from_double(surf_pos.c.y));
}
}
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)
{
struct weston_coord_global pos;
pos.c = weston_coord_from_fixed(x, y);
weston_touch_send_down(grab->touch, time, touch_id, pos);
}
*
* \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);
}
*
* \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 pos The global coordinate 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,
struct weston_coord_global pos)
{
struct wl_resource *resource;
struct wl_list *resource_list;
uint32_t msecs;
struct weston_coord_surface surf_pos;
if (!weston_touch_has_focus_resource(touch))
return;
weston_view_update_transform(touch->focus);
surf_pos = weston_coord_global_to_surface(touch->focus, pos);
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,
wl_fixed_from_double(surf_pos.c.x),
wl_fixed_from_double(surf_pos.c.y));
}
}
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)
{
struct weston_coord_global pos;
pos.c = weston_coord_from_fixed(x, y);
weston_touch_send_motion(grab->touch, time, touch_id, pos);
}
*
* \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,
};
*
* \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;
}
*
* \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));
}
static struct wl_resource *
find_resource_for_view(struct wl_list *list, struct weston_view *view)
{
if (!view)
return NULL;
return find_resource_for_surface(list,
view->surface);
}
* 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;
pointer->pos.c = weston_coord(100, 100);
pointer->output_destroy_listener.notify =
weston_pointer_handle_output_destroy;
wl_signal_add(&seat->compositor->output_destroyed_signal,
&pointer->output_destroy_listener);
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);
}
WL_EXPORT struct weston_tablet *
weston_tablet_create(void)
{
struct weston_tablet *tablet;
tablet = zalloc(sizeof *tablet);
if (tablet == NULL)
return NULL;
wl_list_init(&tablet->resource_list);
wl_list_init(&tablet->tool_list);
return tablet;
}
WL_EXPORT void
weston_tablet_destroy(struct weston_tablet *tablet)
{
struct wl_resource *resource;
struct weston_tablet_tool *tool, *tmptool;
wl_resource_for_each(resource, &tablet->resource_list) {
zwp_tablet_v2_send_removed(resource);
wl_resource_set_user_data(resource, NULL);
}
wl_list_remove(&tablet->link);
wl_list_for_each_safe(tool, tmptool, &tablet->tool_list, link)
weston_seat_release_tablet_tool(tool);
if (wl_list_empty(&tablet->resource_list)) {
free(tablet->name);
free(tablet);
}
}
WL_EXPORT void
weston_tablet_tool_set_focus(struct weston_tablet_tool *tool,
struct weston_view *view,
const struct timespec *time)
{
struct wl_list *focus_resource_list;
struct wl_resource *resource;
struct weston_seat *seat = tool->seat;
uint32_t msecs;
focus_resource_list = &tool->focus_resource_list;
msecs = time ? timespec_to_msec(time) : 0;
if (tool->focus && !wl_list_empty(focus_resource_list)) {
wl_resource_for_each(resource, focus_resource_list) {
if (tool->tip_is_down)
zwp_tablet_tool_v2_send_up(resource);
zwp_tablet_tool_v2_send_proximity_out(resource);
zwp_tablet_tool_v2_send_frame(resource, msecs);
}
move_resources(&tool->resource_list, focus_resource_list);
}
if (find_resource_for_view(&tool->resource_list, view)) {
struct wl_client *surface_client =
wl_resource_get_client(view->surface->resource);
move_resources_for_client(focus_resource_list,
&tool->resource_list,
surface_client);
tool->focus_serial = wl_display_next_serial(seat->compositor->wl_display);
wl_resource_for_each(resource, focus_resource_list) {
struct wl_resource *tr;
tr = wl_resource_find_for_client(&tool->current_tablet->resource_list,
surface_client);
zwp_tablet_tool_v2_send_proximity_in(resource, tool->focus_serial,
tr, view->surface->resource);
if (tool->tip_is_down)
zwp_tablet_tool_v2_send_down(resource,
tool->focus_serial);
zwp_tablet_tool_v2_send_frame(resource, msecs);
}
}
wl_list_remove(&tool->focus_view_listener.link);
wl_list_init(&tool->focus_view_listener.link);
wl_list_remove(&tool->focus_resource_listener.link);
wl_list_init(&tool->focus_resource_listener.link);
if (view)
wl_signal_add(&view->destroy_signal,
&tool->focus_view_listener);
if (view && view->surface->resource)
wl_resource_add_destroy_listener(view->surface->resource,
&tool->focus_resource_listener);
tool->focus = view;
tool->focus_view_listener.notify = tablet_tool_focus_view_destroyed;
wl_signal_emit(&tool->focus_signal, tool);
}
WL_EXPORT void
weston_tablet_tool_start_grab(struct weston_tablet_tool *tool,
struct weston_tablet_tool_grab *grab)
{
tool->grab = grab;
grab->tool = tool;
}
WL_EXPORT void
weston_tablet_tool_end_grab(struct weston_tablet_tool *tool)
{
tool->grab = &tool->default_grab;
}
static void
default_grab_tablet_tool_proximity_in(struct weston_tablet_tool_grab *grab,
const struct timespec *time,
struct weston_tablet *tablet)
{
}
WL_EXPORT void
weston_tablet_tool_send_proximity_out(struct weston_tablet_tool *tool,
const struct timespec *time)
{
weston_tablet_tool_set_focus(tool, NULL, time);
if (tool->sprite && weston_surface_is_mapped(tool->sprite->surface))
weston_surface_unmap(tool->sprite->surface);
}
static void
default_grab_tablet_tool_proximity_out(struct weston_tablet_tool_grab *grab,
const struct timespec *time)
{
weston_tablet_tool_send_proximity_out(grab->tool, time);
}
WL_EXPORT void
weston_tablet_tool_send_motion(struct weston_tablet_tool *tool,
const struct timespec *time,
struct weston_coord_global pos)
{
struct weston_view *current_view;
struct wl_resource *resource;
struct weston_coord_surface surf_pos;
current_view = weston_compositor_pick_view(tool->seat->compositor, pos);
if (current_view != tool->focus)
weston_tablet_tool_set_focus(tool, current_view, time);
weston_tablet_tool_cursor_move(tool, pos);
surf_pos = weston_coord_global_to_surface(tool->focus, pos);
wl_resource_for_each(resource, &tool->focus_resource_list) {
zwp_tablet_tool_v2_send_motion(resource,
wl_fixed_from_double(surf_pos.c.x),
wl_fixed_from_double(surf_pos.c.y));
}
}
static void
default_grab_tablet_tool_motion(struct weston_tablet_tool_grab *grab,
const struct timespec *time,
struct weston_coord_global pos)
{
weston_tablet_tool_send_motion(grab->tool, time, pos);
}
WL_EXPORT void
weston_tablet_tool_send_down(struct weston_tablet_tool *tool,
const struct timespec *time)
{
struct wl_resource *resource;
struct wl_list *resource_list = &tool->focus_resource_list;
if (!wl_list_empty(resource_list)) {
wl_resource_for_each(resource, resource_list)
zwp_tablet_tool_v2_send_down(resource, tool->grab_serial);
}
}
static void
default_grab_tablet_tool_down(struct weston_tablet_tool_grab *grab,
const struct timespec *time)
{
weston_tablet_tool_send_down(grab->tool, time);
}
WL_EXPORT void
weston_tablet_tool_send_up(struct weston_tablet_tool *tool,
const struct timespec *time)
{
struct wl_resource *resource;
struct wl_list *resource_list = &tool->focus_resource_list;
if (!wl_list_empty(resource_list)) {
wl_resource_for_each(resource, resource_list)
zwp_tablet_tool_v2_send_up(resource);
}
}
static void
default_grab_tablet_tool_up(struct weston_tablet_tool_grab *grab,
const struct timespec *time)
{
weston_tablet_tool_send_up(grab->tool, time);
}
WL_EXPORT void
weston_tablet_tool_send_pressure(struct weston_tablet_tool *tool,
const struct timespec *time,
uint32_t pressure)
{
struct wl_resource *resource;
struct wl_list *resource_list = &tool->focus_resource_list;
if (!wl_list_empty(resource_list)) {
wl_resource_for_each(resource, resource_list)
zwp_tablet_tool_v2_send_pressure(resource, pressure);
}
}
static void
default_grab_tablet_tool_pressure(struct weston_tablet_tool_grab *grab,
const struct timespec *time,
uint32_t pressure)
{
weston_tablet_tool_send_pressure(grab->tool, time, pressure);
}
WL_EXPORT void
weston_tablet_tool_send_distance(struct weston_tablet_tool *tool,
const struct timespec *time,
uint32_t distance)
{
struct wl_resource *resource;
struct wl_list *resource_list = &tool->focus_resource_list;
if (!wl_list_empty(resource_list)) {
wl_resource_for_each(resource, resource_list)
zwp_tablet_tool_v2_send_distance(resource, distance);
}
}
static void
default_grab_tablet_tool_distance(struct weston_tablet_tool_grab *grab,
const struct timespec *time,
uint32_t distance)
{
weston_tablet_tool_send_distance(grab->tool, time, distance);
}
WL_EXPORT void
weston_tablet_tool_send_tilt(struct weston_tablet_tool *tool,
const struct timespec *time,
wl_fixed_t tilt_x, wl_fixed_t tilt_y)
{
struct wl_resource *resource;
struct wl_list *resource_list = &tool->focus_resource_list;
if (!wl_list_empty(resource_list)) {
wl_resource_for_each(resource, resource_list)
zwp_tablet_tool_v2_send_tilt(resource, tilt_x, tilt_y);
}
}
static void
default_grab_tablet_tool_tilt(struct weston_tablet_tool_grab *grab,
const struct timespec *time,
wl_fixed_t tilt_x, wl_fixed_t tilt_y)
{
weston_tablet_tool_send_tilt(grab->tool, time, tilt_x, tilt_y);
}
WL_EXPORT void
weston_tablet_tool_send_button(struct weston_tablet_tool *tool,
const struct timespec *time,
uint32_t button, uint32_t state)
{
struct wl_resource *resource;
wl_resource_for_each(resource, &tool->focus_resource_list) {
zwp_tablet_tool_v2_send_button(resource, tool->grab_serial,
button, state);
}
}
static void
default_grab_tablet_tool_button(struct weston_tablet_tool_grab *grab,
const struct timespec *time,
uint32_t button,
enum zwp_tablet_tool_v2_button_state state)
{
weston_tablet_tool_send_button(grab->tool, time, button, state);
}
WL_EXPORT void
weston_tablet_tool_send_frame(struct weston_tablet_tool *tool,
const struct timespec *time)
{
struct wl_resource *resource;
struct wl_list *resource_list = &tool->focus_resource_list;
uint32_t msecs;
msecs = timespec_to_msec(time);
if (!wl_list_empty(resource_list)) {
wl_resource_for_each(resource, resource_list)
zwp_tablet_tool_v2_send_frame(resource, msecs);
}
}
static void
default_grab_tablet_tool_frame(struct weston_tablet_tool_grab *grab,
const struct timespec *time)
{
weston_tablet_tool_send_frame(grab->tool, time);
}
static void
default_grab_tablet_tool_cancel(struct weston_tablet_tool_grab *grab)
{
}
static struct weston_tablet_tool_grab_interface default_tablet_tool_grab_interface = {
default_grab_tablet_tool_proximity_in,
default_grab_tablet_tool_proximity_out,
default_grab_tablet_tool_motion,
default_grab_tablet_tool_down,
default_grab_tablet_tool_up,
default_grab_tablet_tool_pressure,
default_grab_tablet_tool_distance,
default_grab_tablet_tool_tilt,
default_grab_tablet_tool_button,
default_grab_tablet_tool_frame,
default_grab_tablet_tool_cancel,
};
static void
tablet_tool_unmap_sprite(struct weston_tablet_tool *tool)
{
if (weston_surface_is_mapped(tool->sprite->surface))
weston_surface_unmap(tool->sprite->surface);
wl_list_remove(&tool->sprite_destroy_listener.link);
tool->sprite->surface->committed = NULL;
tool->sprite->surface->committed_private = NULL;
weston_view_destroy(tool->sprite);
tool->sprite = NULL;
}
static void
tablet_tool_handle_sprite_destroy(struct wl_listener *listener, void *data)
{
struct weston_tablet_tool *tool =
container_of(listener, struct weston_tablet_tool,
sprite_destroy_listener);
tool->sprite = NULL;
}
WL_EXPORT struct weston_tablet_tool *
weston_tablet_tool_create(void)
{
struct weston_tablet_tool *tool;
tool = zalloc(sizeof *tool);
if (tool == NULL)
return NULL;
wl_list_init(&tool->resource_list);
wl_list_init(&tool->focus_resource_list);
wl_list_init(&tool->sprite_destroy_listener.link);
tool->sprite_destroy_listener.notify = tablet_tool_handle_sprite_destroy;
wl_list_init(&tool->focus_view_listener.link);
tool->focus_view_listener.notify = tablet_tool_focus_view_destroyed;
wl_list_init(&tool->focus_resource_listener.link);
tool->focus_resource_listener.notify = tablet_tool_focus_resource_destroyed;
tool->default_grab.interface = &default_tablet_tool_grab_interface;
tool->default_grab.tool = tool;
tool->grab = &tool->default_grab;
wl_signal_init(&tool->focus_signal);
wl_signal_init(&tool->removed_signal);
return tool;
}
WL_EXPORT void
weston_tablet_tool_destroy(struct weston_tablet_tool *tool)
{
struct wl_resource *resource, *tmp;
if (tool->sprite)
tablet_tool_unmap_sprite(tool);
wl_resource_for_each_safe(resource, tmp, &tool->resource_list) {
zwp_tablet_tool_v2_send_removed(resource);
wl_resource_set_user_data(resource, NULL);
}
wl_resource_for_each(resource, &tool->focus_resource_list) {
wl_resource_set_user_data(resource, NULL);
}
wl_list_remove(&tool->link);
wl_list_remove(&tool->resource_list);
wl_list_remove(&tool->focus_resource_list);
wl_list_remove(&tool->focus_view_listener.link);
wl_list_remove(&tool->focus_resource_listener.link);
free(tool);
}
WL_EXPORT void
weston_tablet_tool_cursor_move(struct weston_tablet_tool *tool,
struct weston_coord_global pos)
{
tool->pos = pos;
if (tool->sprite) {
weston_view_set_position(tool->sprite,
pos.c.x - tool->hotspot.c.x,
pos.c.y - tool->hotspot.c.y);
weston_view_schedule_repaint(tool->sprite);
}
}
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);
}
*
* \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. Passing NULL directly to
* weston_pointer_set_focus() will do the right thing.
*/
WL_EXPORT void
weston_pointer_clear_focus(struct weston_pointer *pointer)
{
weston_pointer_set_focus(pointer, NULL);
}
WL_EXPORT void
weston_pointer_set_focus(struct weston_pointer *pointer,
struct weston_view *view)
{
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;
wl_fixed_t sx, sy;
if (view) {
struct weston_coord_surface surf_pos;
surf_pos = weston_coord_global_to_surface(view, pointer->pos);
sx = wl_fixed_from_double(surf_pos.c.x);
sy = wl_fixed_from_double(surf_pos.c.y);
if (!weston_view_takes_input_at_point(view, surf_pos))
weston_log("View focused with external coordinate %d, %d\n",
(int)surf_pos.c.x, (int)surf_pos.c.y);
}
if ((!pointer->focus && view) ||
(pointer->focus && !view) ||
(pointer->focus && pointer->focus->surface != view->surface) ||
(view && (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;
if (view) {
pointer->sx = sx;
pointer->sy = sy;
}
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) {
wl_keyboard_send_enter(resource, serial,
surface->resource,
&keyboard->keys);
send_modifiers_to_resource(keyboard, resource, serial);
}
}
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;
* 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;
}
* we can't just remove the kbd focus listener, or we might corrupt
* the list it's in.
* Instead, we'll just set a flag to ignore the focus when the
* compositor regains kbd focus.
*/
seat->use_saved_kbd_focus = false;
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);
}
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 struct weston_coord_global
weston_pointer_clamp_for_output(struct weston_pointer *pointer,
struct weston_output *output,
struct weston_coord_global pos)
{
struct weston_coord_global out = pos;
int x = pos.c.x;
int y = pos.c.y;
if (x < output->x)
out.c.x = output->x;
else if (x >= output->x + output->width)
out.c.x = output->x + output->width - 1;
if (y < output->y)
out.c.y = output->y;
else if (y >= output->y + output->height)
out.c.y = output->y + output->height - 1;
return out;
}
WL_EXPORT struct weston_coord_global
weston_pointer_clamp(struct weston_pointer *pointer, struct weston_coord_global pos)
{
struct weston_compositor *ec = pointer->seat->compositor;
struct weston_output *output, *prev = NULL;
int valid = 0;
wl_list_for_each(output, &ec->output_list, link) {
if (pointer->seat->output && pointer->seat->output != output)
continue;
if (weston_output_contains_point(output, pos.c.x, pos.c.y))
valid = 1;
if (weston_output_contains_point(output, pointer->pos.c.x,
pointer->pos.c.y))
prev = output;
}
if (!prev)
prev = pointer->seat->output;
if (prev && !valid)
pos = weston_pointer_clamp_for_output(pointer, prev, pos);
return pos;
}
static void
weston_pointer_move_to(struct weston_pointer *pointer,
struct weston_coord_global pos)
{
pos = weston_pointer_clamp(pointer, pos);
pointer->pos = pos;
if (pointer->sprite) {
weston_view_set_position(pointer->sprite,
pos.c.x - pointer->hotspot.c.x,
pos.c.y - pointer->hotspot.c.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)
{
struct weston_coord_global pos;
pos = weston_pointer_motion_to_abs(pointer, event);
weston_pointer_move_to(pointer, pos);
}
*/
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;
struct weston_coord_global pos;
pointer = container_of(listener, struct weston_pointer,
output_destroy_listener);
ec = pointer->seat->compositor;
x = pointer->pos.c.x;
y = pointer->pos.c.y;
wl_list_for_each(output, &ec->output_list, link) {
if (weston_output_contains_point(output, x, y))
return;
* the output. */
distance = abs(output->x + output->width / 2 - x) +
abs(output->y + output->height / 2 - y);
if (distance < min) {
min = distance;
closest = output;
}
}
if (!closest)
return;
pos = weston_pointer_clamp_for_output(pointer, closest, pointer->pos);
weston_pointer_move_to(pointer, pos);
}
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,
struct weston_coord_global pos)
{
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,
.abs = pos,
};
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_input(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_pos = pointer->pos;
}
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;
* 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;
* 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;
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;
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;
* 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;
int fd;
size_t size;
enum ro_anonymous_file_mapmode mapmode;
if (wl_resource_get_version(resource) < 7)
mapmode = RO_ANONYMOUS_FILE_MAPMODE_SHARED;
else
mapmode = RO_ANONYMOUS_FILE_MAPMODE_PRIVATE;
fd = os_ro_anonymous_file_get_fd(xkb_info->keymap_rofile, mapmode);
size = os_ro_anonymous_file_size(xkb_info->keymap_rofile);
if (fd == -1) {
weston_log("creating a keymap file failed: %s\n",
strerror(errno));
return;
}
wl_keyboard_send_keymap(resource,
WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
fd,
size);
os_ro_anonymous_file_put_fd(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,
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;
end = keyboard->keys.data + keyboard->keys.size;
for (k = keyboard->keys.data; k < end; k++) {
if (*k == key) {
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 (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
weston_compositor_idle_inhibit(compositor);
} else {
weston_compositor_idle_release(compositor);
}
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
clear_pointer_focus(struct weston_seat *seat)
{
* but somehow that breaks re-entry... */
}
WL_EXPORT void
notify_pointer_focus(struct weston_seat *seat, struct weston_output *output,
struct weston_coord_global pos)
{
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
assert(output);
weston_pointer_move_to(pointer, pos);
}
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_list_remove(&ws->saved_kbd_focus_listener.link);
ws->saved_kbd_focus_listener.notify = 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) {
wl_list_remove(&seat->saved_kbd_focus_listener.link);
seat->saved_kbd_focus_listener.notify = NULL;
seat->saved_kbd_focus = NULL;
if (seat->use_saved_kbd_focus)
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->use_saved_kbd_focus = true;
seat->saved_kbd_focus = focus;
assert(seat->saved_kbd_focus_listener.notify == NULL);
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,
const struct weston_coord_global *pos, 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 x, y;
if (pos) {
assert(touch_type != WL_TOUCH_UP);
x = wl_fixed_from_double(pos->c.x);
y = wl_fixed_from_double(pos->c.y);
} else {
assert(touch_type == WL_TOUCH_UP);
}
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:
* 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, *pos);
weston_touch_set_focus(touch, ev);
} else if (!touch->focus) {
* 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);
touch->pending_focus_reset = true;
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;
}
*
* 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);
}
}
*
* 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);
}
*
* 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);
}
*
* 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 pos X,Y coordinate in compositor global space, or NULL for WL_TOUCH_UP.
* \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,
const struct weston_coord_global *pos,
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) {
assert(pos);
if (weston_touch_device_can_calibrate(device))
assert(norm != NULL);
else
assert(norm == NULL);
} else {
assert(!pos);
}
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) {
* 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;
}
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, pos, 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);
if (grab->touch->pending_focus_reset) {
if (grab->touch->num_tp == 0)
weston_touch_set_focus(grab->touch, NULL);
grab->touch->pending_focus_reset = false;
}
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
tablet_destroy(struct wl_client *client, struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static const struct zwp_tablet_v2_interface tablet_interface = {
tablet_destroy,
};
static void
send_tablet_added(struct weston_tablet *tablet,
struct wl_resource *tablet_seat_resource,
struct wl_resource *tablet_resource)
{
zwp_tablet_seat_v2_send_tablet_added(tablet_seat_resource, tablet_resource);
zwp_tablet_v2_send_name(tablet_resource, tablet->name);
zwp_tablet_v2_send_id(tablet_resource, tablet->vid, tablet->pid);
zwp_tablet_v2_send_path(tablet_resource, tablet->path);
zwp_tablet_v2_send_done(tablet_resource);
}
static void
tablet_add_resource(struct weston_tablet *tablet,
struct wl_client *client,
struct wl_resource *tablet_seat_resource)
{
struct wl_resource *tablet_resource;
tablet_resource = wl_resource_create(client,
&zwp_tablet_v2_interface,
1, 0);
wl_list_insert(&tablet->resource_list,
wl_resource_get_link(tablet_resource));
wl_resource_set_implementation(tablet_resource,
&tablet_interface,
tablet,
unbind_resource);
wl_resource_set_user_data(tablet_resource, tablet);
send_tablet_added(tablet, tablet_seat_resource, tablet_resource);
}
WL_EXPORT void
notify_tablet_added(struct weston_tablet *tablet)
{
struct wl_resource *tablet_seat_resource;
struct weston_seat *seat = tablet->seat;
wl_resource_for_each(tablet_seat_resource,
&seat->tablet_seat_resource_list) {
tablet_add_resource(tablet,
wl_resource_get_client(tablet_seat_resource),
tablet_seat_resource);
}
}
static void
tablet_tool_cursor_surface_committed(struct weston_surface *es,
struct weston_coord_surface new_origin)
{
struct weston_tablet_tool *tool = es->committed_private;
struct weston_coord_global pos;
if (es->width == 0)
return;
assert(es == tool->sprite->surface);
tool->hotspot.c = weston_coord_sub(tool->hotspot.c, new_origin.c);
pos.c = weston_coord_sub(tool->pos.c, tool->hotspot.c);
weston_view_set_position(tool->sprite, pos.c.x, pos.c.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,
&tool->sprite->layer_link);
weston_view_update_transform(tool->sprite);
es->is_mapped = true;
tool->sprite->is_mapped = true;
}
}
static void
tablet_tool_set_cursor(struct wl_client *client, struct wl_resource *resource,
uint32_t serial, struct wl_resource *surface_resource,
int32_t hotspot_x, int32_t hotspot_y)
{
struct weston_tablet_tool *tool = wl_resource_get_user_data(resource);
struct weston_surface *surface = NULL;
if (!tool)
return;
if (surface_resource)
surface = wl_resource_get_user_data(surface_resource);
if (tool->focus == NULL)
return;
* black_surface used in shell.c for fullscreen don't have
* a resource, but can still have focus */
if (tool->focus->surface->resource == NULL)
return;
if (wl_resource_get_client(tool->focus->surface->resource) != client)
return;
if (tool->focus_serial - serial > UINT32_MAX / 2)
return;
if (surface && tool->sprite && surface != tool->sprite->surface &&
surface->committed) {
wl_resource_post_error(surface->resource,
WL_DISPLAY_ERROR_INVALID_OBJECT,
"surface->configure already set");
return;
}
if (tool->sprite)
tablet_tool_unmap_sprite(tool);
if (!surface)
return;
wl_signal_add(&surface->destroy_signal,
&tool->sprite_destroy_listener);
surface->committed = tablet_tool_cursor_surface_committed;
surface->committed_private = tool;
tool->sprite = weston_view_create(surface);
tool->hotspot = weston_coord_surface(hotspot_x, hotspot_y, surface);
if (surface->buffer_ref.buffer) {
struct weston_coord_surface delta =
weston_coord_surface(0, 0, surface);
tablet_tool_cursor_surface_committed(surface, delta);
}
}
static void
tablet_tool_destroy(struct wl_client *client, struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static const struct zwp_tablet_tool_v2_interface tablet_tool_interface = {
tablet_tool_set_cursor,
tablet_tool_destroy,
};
static void
send_tool_added(struct weston_tablet_tool *tool,
struct wl_resource *tool_seat_resource,
struct wl_resource *tool_resource)
{
uint32_t caps, cap;
zwp_tablet_seat_v2_send_tool_added(tool_seat_resource, tool_resource);
zwp_tablet_tool_v2_send_type(tool_resource, tool->type);
zwp_tablet_tool_v2_send_hardware_serial(tool_resource,
tool->serial >> 32,
tool->serial & 0xFFFFFFFF);
zwp_tablet_tool_v2_send_hardware_id_wacom(tool_resource,
tool->hwid >> 32,
tool->hwid & 0xFFFFFFFF);
caps = tool->capabilities;
while (caps != 0) {
cap = ffs(caps) - 1;
zwp_tablet_tool_v2_send_capability(tool_resource, cap);
caps &= ~(1 << cap);
}
zwp_tablet_tool_v2_send_done(tool_resource);
}
static void
tablet_tool_add_resource(struct weston_tablet_tool *tool,
struct wl_client *client,
struct wl_resource *tablet_seat_resource)
{
struct wl_resource *tool_resource;
tool_resource = wl_resource_create(client,
&zwp_tablet_tool_v2_interface,
1, 0);
wl_list_insert(&tool->resource_list,
wl_resource_get_link(tool_resource));
wl_resource_set_implementation(tool_resource,
&tablet_tool_interface,
tool, unbind_resource);
wl_resource_set_user_data(tool_resource, tool);
send_tool_added(tool, tablet_seat_resource, tool_resource);
}
WL_EXPORT void
notify_tablet_tool_added(struct weston_tablet_tool *tool)
{
struct wl_resource *tablet_seat_resource;
struct weston_seat *seat = tool->seat;
struct wl_client *client;
wl_signal_emit(&seat->tablet_tool_added_signal, tool);
wl_resource_for_each(tablet_seat_resource,
&seat->tablet_seat_resource_list) {
client = wl_resource_get_client(tablet_seat_resource);
tablet_tool_add_resource(tool, client,
tablet_seat_resource);
}
}
WL_EXPORT void
notify_tablet_tool_proximity_in(struct weston_tablet_tool *tool,
const struct timespec *time,
struct weston_tablet *tablet)
{
struct weston_tablet_tool_grab *grab = tool->grab;
grab->tool->current_tablet = tablet;
grab->interface->proximity_in(grab, time, tablet);
}
WL_EXPORT void
notify_tablet_tool_proximity_out(struct weston_tablet_tool *tool,
const struct timespec *time)
{
struct weston_tablet_tool_grab *grab = tool->grab;
grab->interface->proximity_out(grab, time);
}
WL_EXPORT void
notify_tablet_tool_motion(struct weston_tablet_tool *tool,
const struct timespec *time,
struct weston_coord_global pos)
{
struct weston_tablet_tool_grab *grab = tool->grab;
weston_compositor_wake(tool->seat->compositor);
grab->interface->motion(grab, time, pos);
}
WL_EXPORT void
notify_tablet_tool_pressure(struct weston_tablet_tool *tool,
const struct timespec *time, uint32_t pressure)
{
struct weston_tablet_tool_grab *grab = tool->grab;
weston_compositor_wake(tool->seat->compositor);
grab->interface->pressure(grab, time, pressure);
}
WL_EXPORT void
notify_tablet_tool_distance(struct weston_tablet_tool *tool,
const struct timespec *time, uint32_t distance)
{
struct weston_tablet_tool_grab *grab = tool->grab;
weston_compositor_wake(tool->seat->compositor);
grab->interface->distance(grab, time, distance);
}
WL_EXPORT void
notify_tablet_tool_tilt(struct weston_tablet_tool *tool,
const struct timespec *time,
wl_fixed_t tilt_x, wl_fixed_t tilt_y)
{
struct weston_tablet_tool_grab *grab = tool->grab;
weston_compositor_wake(tool->seat->compositor);
grab->interface->tilt(grab, time, tilt_x, tilt_y);
}
WL_EXPORT void
notify_tablet_tool_button(struct weston_tablet_tool *tool,
const struct timespec *time,
uint32_t button, uint32_t state)
{
struct weston_tablet_tool_grab *grab = tool->grab;
struct weston_compositor *compositor = tool->seat->compositor;
if (state == ZWP_TABLET_TOOL_V2_BUTTON_STATE_PRESSED) {
tool->button_count++;
if (tool->button_count == 1)
weston_compositor_idle_inhibit(compositor);
} else {
tool->button_count--;
if (tool->button_count == 1)
weston_compositor_idle_release(compositor);
}
tool->grab_serial = wl_display_next_serial(compositor->wl_display);
weston_compositor_run_tablet_tool_binding(compositor, tool, button, state);
grab->interface->button(grab, time, button, state);
}
WL_EXPORT void
notify_tablet_tool_down(struct weston_tablet_tool *tool,
const struct timespec *time)
{
struct weston_tablet_tool_grab *grab = tool->grab;
struct weston_compositor *compositor = tool->seat->compositor;
weston_compositor_idle_inhibit(compositor);
tool->tip_is_down = true;
tool->grab_serial = wl_display_get_serial(compositor->wl_display);
tool->grab_pos = tool->pos;
weston_compositor_run_tablet_tool_binding(compositor, tool, BTN_TOUCH,
ZWP_TABLET_TOOL_V2_BUTTON_STATE_PRESSED);
grab->interface->down(grab, time);
}
WL_EXPORT void
notify_tablet_tool_up(struct weston_tablet_tool *tool,
const struct timespec *time)
{
struct weston_tablet_tool_grab *grab = tool->grab;
struct weston_compositor *compositor = tool->seat->compositor;
weston_compositor_idle_release(compositor);
tool->tip_is_down = false;
grab->interface->up(grab, time);
}
WL_EXPORT void
notify_tablet_tool_frame(struct weston_tablet_tool *tool,
const struct timespec *time)
{
struct weston_tablet_tool_grab *grab = tool->grab;
grab->interface->frame(grab, time);
}
static void
pointer_cursor_surface_committed(struct weston_surface *es,
struct weston_coord_surface new_origin)
{
struct weston_pointer *pointer = es->committed_private;
struct weston_coord_global pos;
if (es->width == 0)
return;
assert(es == pointer->sprite->surface);
pointer->hotspot.c = weston_coord_sub(pointer->hotspot.c,
new_origin.c);
pos.c = weston_coord_sub(pointer->pos.c, pointer->hotspot.c);
weston_view_set_position(pointer->sprite, pos.c.x, pos.c.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);
weston_surface_map(es);
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;
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.c.x == x && pointer->hotspot.c.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.c = weston_coord(x, y);
if (surface->width != 0) {
struct weston_coord_surface zero;
zero = weston_coord_surface(0, 0, surface);
pointer_cursor_surface_committed(surface, zero);
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);
* 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);
* 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) {
struct weston_coord_surface surf_pos;
weston_view_update_transform(pointer->focus);
surf_pos = weston_coord_global_to_surface(pointer->focus,
pointer->pos);
wl_pointer_send_enter(cr,
pointer->focus_serial,
pointer->focus->surface->resource,
wl_fixed_from_double(surf_pos.c.x),
wl_fixed_from_double(surf_pos.c.y));
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)
{
wl_resource_destroy(resource);
}
static const struct wl_keyboard_interface keyboard_interface = {
keyboard_release
};
static void
seat_get_keyboard(struct wl_client *client, struct wl_resource *resource,
uint32_t id)
{
struct weston_seat *seat = wl_resource_get_user_data(resource);
* give a wl_keyboard if the seat has ever had one - even though
* the spec explicitly states that this request only takes effect
* if the seat has the keyboard capability.
*
* This prevents a race between the compositor sending new
* capabilities and the client trying to use the old ones.
*/
struct weston_keyboard *keyboard = seat ? seat->keyboard_state : NULL;
struct wl_resource *cr;
cr = wl_resource_create(client, &wl_keyboard_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, &keyboard_interface,
keyboard, destroy_keyboard_resource);
* is nothing more to set up */
if (!keyboard)
return;
* weston_keyboard_set_focus or directly if this client is already
* focused */
wl_list_insert(&keyboard->resource_list, wl_resource_get_link(cr));
if (wl_resource_get_version(cr) >= WL_KEYBOARD_REPEAT_INFO_SINCE_VERSION) {
wl_keyboard_send_repeat_info(cr,
seat->compositor->kb_repeat_rate,
seat->compositor->kb_repeat_delay);
}
weston_keyboard_send_keymap(keyboard, cr);
if (keyboard->focus && keyboard->focus->resource &&
wl_resource_get_client(keyboard->focus->resource) == client) {
struct weston_surface *surface =
(struct weston_surface *)keyboard->focus;
wl_list_remove(wl_resource_get_link(cr));
wl_list_insert(&keyboard->focus_resource_list,
wl_resource_get_link(cr));
wl_keyboard_send_enter(cr,
keyboard->focus_serial,
surface->resource,
&keyboard->keys);
send_modifiers_to_resource(keyboard,
cr,
keyboard->focus_serial);
* client... */
if (keyboard->focus_resource_list.prev ==
wl_resource_get_link(cr))
wl_data_device_set_keyboard_focus(seat);
}
}
static void
destroy_touch_resource(struct wl_resource *resource)
{
struct weston_touch *touch = wl_resource_get_user_data(resource);
wl_list_remove(wl_resource_get_link(resource));
if (touch) {
remove_input_resource_from_timestamps(resource,
&touch->timestamps_list);
}
}
static void
touch_release(struct wl_client *client, struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static const struct wl_touch_interface touch_interface = {
touch_release
};
static void
seat_get_touch(struct wl_client *client, struct wl_resource *resource,
uint32_t id)
{
struct weston_seat *seat = wl_resource_get_user_data(resource);
* give a wl_touch if the seat has ever had one - even though
* the spec explicitly states that this request only takes effect
* if the seat has the touch capability.
*
* This prevents a race between the compositor sending new
* capabilities and the client trying to use the old ones.
*/
struct weston_touch *touch = seat ? seat->touch_state : NULL;
struct wl_resource *cr;
cr = wl_resource_create(client, &wl_touch_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, &touch_interface,
touch, destroy_touch_resource);
* is nothing more to set up */
if (!touch)
return;
if (touch->focus &&
wl_resource_get_client(touch->focus->surface->resource) == client) {
wl_list_insert(&touch->focus_resource_list,
wl_resource_get_link(cr));
} else {
wl_list_insert(&touch->resource_list,
wl_resource_get_link(cr));
}
}
static void
seat_release(struct wl_client *client, struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static const struct wl_seat_interface seat_interface = {
seat_get_pointer,
seat_get_keyboard,
seat_get_touch,
seat_release,
};
static void
bind_seat(struct wl_client *client, void *data, uint32_t version, uint32_t id)
{
struct weston_seat *seat = data;
struct wl_resource *resource;
enum wl_seat_capability caps = 0;
resource = wl_resource_create(client,
&wl_seat_interface, version, id);
wl_list_insert(&seat->base_resource_list, wl_resource_get_link(resource));
wl_resource_set_implementation(resource, &seat_interface, data,
unbind_resource);
if (weston_seat_get_pointer(seat))
caps |= WL_SEAT_CAPABILITY_POINTER;
if (weston_seat_get_keyboard(seat))
caps |= WL_SEAT_CAPABILITY_KEYBOARD;
if (weston_seat_get_touch(seat))
caps |= WL_SEAT_CAPABILITY_TOUCH;
wl_seat_send_capabilities(resource, caps);
if (version >= WL_SEAT_NAME_SINCE_VERSION)
wl_seat_send_name(resource, seat->seat_name);
}
static void
relative_pointer_destroy(struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static const struct zwp_relative_pointer_v1_interface relative_pointer_interface = {
relative_pointer_destroy
};
static void
relative_pointer_manager_destroy(struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static void
relative_pointer_manager_get_relative_pointer(struct wl_client *client,
struct wl_resource *resource,
uint32_t id,
struct wl_resource *pointer_resource)
{
struct weston_pointer *pointer =
wl_resource_get_user_data(pointer_resource);
struct weston_pointer_client *pointer_client;
struct wl_resource *cr;
cr = wl_resource_create(client, &zwp_relative_pointer_v1_interface,
wl_resource_get_version(resource), id);
if (cr == NULL) {
wl_client_post_no_memory(client);
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->relative_pointer_resources,
wl_resource_get_link(cr));
wl_resource_set_implementation(cr, &relative_pointer_interface,
pointer,
unbind_pointer_client_resource);
}
static const struct zwp_relative_pointer_manager_v1_interface relative_pointer_manager = {
relative_pointer_manager_destroy,
relative_pointer_manager_get_relative_pointer,
};
static void
bind_relative_pointer_manager(struct wl_client *client, void *data,
uint32_t version, uint32_t id)
{
struct weston_compositor *compositor = data;
struct wl_resource *resource;
resource = wl_resource_create(client,
&zwp_relative_pointer_manager_v1_interface,
1, id);
wl_resource_set_implementation(resource, &relative_pointer_manager,
compositor,
NULL);
}
WL_EXPORT int
weston_compositor_set_xkb_rule_names(struct weston_compositor *ec,
struct xkb_rule_names *names)
{
if (ec->xkb_context == NULL) {
ec->xkb_context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if (ec->xkb_context == NULL) {
weston_log("failed to create XKB context\n");
return -1;
}
}
if (names)
ec->xkb_names = *names;
if (!ec->xkb_names.rules)
ec->xkb_names.rules = strdup("evdev");
if (!ec->xkb_names.model)
ec->xkb_names.model = strdup("pc105");
if (!ec->xkb_names.layout)
ec->xkb_names.layout = strdup("us");
return 0;
}
static void
weston_xkb_info_destroy(struct weston_xkb_info *xkb_info)
{
if (--xkb_info->ref_count > 0)
return;
xkb_keymap_unref(xkb_info->keymap);
os_ro_anonymous_file_destroy(xkb_info->keymap_rofile);
free(xkb_info);
}
void
weston_compositor_xkb_destroy(struct weston_compositor *ec)
{
free((char *) ec->xkb_names.rules);
free((char *) ec->xkb_names.model);
free((char *) ec->xkb_names.layout);
free((char *) ec->xkb_names.variant);
free((char *) ec->xkb_names.options);
if (ec->xkb_info)
weston_xkb_info_destroy(ec->xkb_info);
xkb_context_unref(ec->xkb_context);
}
static struct weston_xkb_info *
weston_xkb_info_create(struct xkb_keymap *keymap)
{
char *keymap_string;
size_t keymap_size;
struct weston_xkb_info *xkb_info = zalloc(sizeof *xkb_info);
if (xkb_info == NULL)
return NULL;
xkb_info->keymap = xkb_keymap_ref(keymap);
xkb_info->ref_count = 1;
xkb_info->shift_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
XKB_MOD_NAME_SHIFT);
xkb_info->caps_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
XKB_MOD_NAME_CAPS);
xkb_info->ctrl_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
XKB_MOD_NAME_CTRL);
xkb_info->alt_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
XKB_MOD_NAME_ALT);
xkb_info->mod2_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
"Mod2");
xkb_info->mod3_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
"Mod3");
xkb_info->super_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
XKB_MOD_NAME_LOGO);
xkb_info->mod5_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
"Mod5");
xkb_info->num_led = xkb_keymap_led_get_index(xkb_info->keymap,
XKB_LED_NAME_NUM);
xkb_info->caps_led = xkb_keymap_led_get_index(xkb_info->keymap,
XKB_LED_NAME_CAPS);
xkb_info->scroll_led = xkb_keymap_led_get_index(xkb_info->keymap,
XKB_LED_NAME_SCROLL);
keymap_string = xkb_keymap_get_as_string(xkb_info->keymap,
XKB_KEYMAP_FORMAT_TEXT_V1);
if (keymap_string == NULL) {
weston_log("failed to get string version of keymap\n");
goto err_keymap;
}
keymap_size = strlen(keymap_string) + 1;
xkb_info->keymap_rofile = os_ro_anonymous_file_create(keymap_size,
keymap_string);
free(keymap_string);
if (!xkb_info->keymap_rofile) {
weston_log("failed to create anonymous file for keymap\n");
goto err_keymap;
}
return xkb_info;
err_keymap:
xkb_keymap_unref(xkb_info->keymap);
free(xkb_info);
return NULL;
}
static int
weston_compositor_build_global_keymap(struct weston_compositor *ec)
{
struct xkb_keymap *keymap;
if (ec->xkb_info != NULL)
return 0;
keymap = xkb_keymap_new_from_names(ec->xkb_context,
&ec->xkb_names,
0);
if (keymap == NULL) {
weston_log("failed to compile global XKB keymap\n");
weston_log(" tried rules %s, model %s, layout %s, variant %s, "
"options %s\n",
ec->xkb_names.rules, ec->xkb_names.model,
ec->xkb_names.layout, ec->xkb_names.variant,
ec->xkb_names.options);
return -1;
}
ec->xkb_info = weston_xkb_info_create(keymap);
xkb_keymap_unref(keymap);
if (ec->xkb_info == NULL)
return -1;
return 0;
}
WL_EXPORT void
weston_seat_update_keymap(struct weston_seat *seat, struct xkb_keymap *keymap)
{
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
if (!keyboard || !keymap)
return;
xkb_keymap_unref(keyboard->pending_keymap);
keyboard->pending_keymap = xkb_keymap_ref(keymap);
if (keyboard->keys.size == 0)
update_keymap(seat);
}
WL_EXPORT int
weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap)
{
struct weston_keyboard *keyboard;
if (seat->keyboard_state) {
seat->keyboard_device_count += 1;
if (seat->keyboard_device_count == 1)
seat_send_updated_caps(seat);
return 0;
}
keyboard = weston_keyboard_create();
if (keyboard == NULL) {
weston_log("failed to allocate weston keyboard struct\n");
return -1;
}
if (keymap != NULL) {
keyboard->xkb_info = weston_xkb_info_create(keymap);
if (keyboard->xkb_info == NULL)
goto err;
} else {
if (weston_compositor_build_global_keymap(seat->compositor) < 0)
goto err;
keyboard->xkb_info = seat->compositor->xkb_info;
keyboard->xkb_info->ref_count++;
}
keyboard->xkb_state.state = xkb_state_new(keyboard->xkb_info->keymap);
if (keyboard->xkb_state.state == NULL) {
weston_log("failed to initialise XKB state\n");
goto err;
}
keyboard->xkb_state.leds = 0;
seat->keyboard_state = keyboard;
seat->keyboard_device_count = 1;
keyboard->seat = seat;
seat_send_updated_caps(seat);
return 0;
err:
if (keyboard->xkb_info)
weston_xkb_info_destroy(keyboard->xkb_info);
free(keyboard);
return -1;
}
static void
weston_keyboard_reset_state(struct weston_keyboard *keyboard)
{
struct weston_seat *seat = keyboard->seat;
struct xkb_state *state;
state = xkb_state_new(keyboard->xkb_info->keymap);
if (!state) {
weston_log("failed to reset XKB state\n");
return;
}
xkb_state_unref(keyboard->xkb_state.state);
keyboard->xkb_state.state = state;
keyboard->xkb_state.leds = 0;
seat->modifier_state = 0;
}
WL_EXPORT void
weston_seat_release_keyboard(struct weston_seat *seat)
{
seat->keyboard_device_count--;
assert(seat->keyboard_device_count >= 0);
if (seat->keyboard_device_count == 0) {
weston_keyboard_set_focus(seat->keyboard_state, NULL);
weston_keyboard_cancel_grab(seat->keyboard_state);
weston_keyboard_reset_state(seat->keyboard_state);
seat_send_updated_caps(seat);
}
}
WL_EXPORT int
weston_seat_init_pointer(struct weston_seat *seat)
{
struct weston_pointer *pointer;
if (seat->pointer_state) {
seat->pointer_device_count += 1;
if (seat->pointer_device_count == 1)
seat_send_updated_caps(seat);
return 0;
}
pointer = weston_pointer_create(seat);
if (pointer == NULL)
return -1;
seat->pointer_state = pointer;
seat->pointer_device_count = 1;
pointer->seat = seat;
seat_send_updated_caps(seat);
return 0;
}
WL_EXPORT void
weston_seat_release_pointer(struct weston_seat *seat)
{
struct weston_pointer *pointer = seat->pointer_state;
seat->pointer_device_count--;
if (seat->pointer_device_count == 0) {
weston_pointer_clear_focus(pointer);
weston_pointer_cancel_grab(pointer);
if (pointer->sprite)
pointer_unmap_sprite(pointer);
weston_pointer_reset_state(pointer);
seat_send_updated_caps(seat);
* a newly attached pointer on this seat will retain
* the previous cursor co-ordinates.
*/
}
}
WL_EXPORT void
weston_seat_release_tablet_tool(struct weston_tablet_tool *tool)
{
wl_signal_emit(&tool->removed_signal, tool);
weston_tablet_tool_destroy(tool);
}
WL_EXPORT void
weston_seat_release_tablet(struct weston_tablet *tablet)
{
weston_tablet_destroy(tablet);
}
WL_EXPORT int
weston_seat_init_touch(struct weston_seat *seat)
{
struct weston_touch *touch;
if (seat->touch_state) {
seat->touch_device_count += 1;
if (seat->touch_device_count == 1)
seat_send_updated_caps(seat);
return 0;
}
touch = weston_touch_create();
if (touch == NULL)
return -1;
seat->touch_state = touch;
seat->touch_device_count = 1;
touch->seat = seat;
seat_send_updated_caps(seat);
return 0;
}
WL_EXPORT struct weston_tablet *
weston_seat_add_tablet(struct weston_seat *seat)
{
struct weston_tablet *tablet;
weston_tablet_manager_init(seat->compositor);
tablet = weston_tablet_create();
if (tablet == NULL)
return NULL;
tablet->seat = seat;
return tablet;
}
WL_EXPORT struct weston_tablet_tool *
weston_seat_add_tablet_tool(struct weston_seat *seat)
{
struct weston_tablet_tool *tool;
weston_tablet_manager_init(seat->compositor);
tool = weston_tablet_tool_create();
if (tool == NULL)
return NULL;
wl_list_init(&tool->resource_list);
tool->seat = seat;
return tool;
}
WL_EXPORT void
weston_seat_release_touch(struct weston_seat *seat)
{
seat->touch_device_count--;
if (seat->touch_device_count == 0) {
weston_touch_set_focus(seat->touch_state, NULL);
weston_touch_cancel_grab(seat->touch_state);
weston_touch_reset_state(seat->touch_state);
seat_send_updated_caps(seat);
}
}
WL_EXPORT void
weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec,
const char *seat_name)
{
memset(seat, 0, sizeof *seat);
seat->selection_data_source = NULL;
wl_list_init(&seat->base_resource_list);
wl_signal_init(&seat->selection_signal);
wl_list_init(&seat->drag_resource_list);
wl_signal_init(&seat->destroy_signal);
wl_signal_init(&seat->updated_caps_signal);
wl_list_init(&seat->tablet_seat_resource_list);
wl_list_init(&seat->tablet_list);
wl_list_init(&seat->tablet_tool_list);
wl_signal_init(&seat->tablet_tool_added_signal);
seat->global = wl_global_create(ec->wl_display, &wl_seat_interface,
MIN(wl_seat_interface.version, 7),
seat, bind_seat);
seat->compositor = ec;
seat->modifier_state = 0;
seat->seat_name = strdup(seat_name);
wl_list_insert(ec->seat_list.prev, &seat->link);
clipboard_create(seat);
wl_signal_emit(&ec->seat_created_signal, seat);
}
WL_EXPORT void
weston_seat_release(struct weston_seat *seat)
{
struct wl_resource *resource;
struct weston_tablet *tablet, *tmp;
struct weston_tablet_tool *tool, *tmp_tool;
wl_resource_for_each(resource, &seat->base_resource_list) {
wl_resource_set_user_data(resource, NULL);
}
wl_resource_for_each(resource, &seat->drag_resource_list) {
wl_resource_set_user_data(resource, NULL);
}
wl_list_remove(&seat->base_resource_list);
wl_list_remove(&seat->drag_resource_list);
wl_list_remove(&seat->link);
if (seat->saved_kbd_focus)
wl_list_remove(&seat->saved_kbd_focus_listener.link);
if (seat->pointer_state)
weston_pointer_destroy(seat->pointer_state);
if (seat->keyboard_state)
weston_keyboard_destroy(seat->keyboard_state);
if (seat->touch_state)
weston_touch_destroy(seat->touch_state);
wl_list_for_each_safe(tablet, tmp, &seat->tablet_list, link)
weston_tablet_destroy(tablet);
wl_list_for_each_safe(tool, tmp_tool, &seat->tablet_tool_list, link)
weston_tablet_tool_destroy(tool);
free (seat->seat_name);
wl_global_destroy(seat->global);
wl_signal_emit(&seat->destroy_signal, seat);
}
*
* \param seat The seat to query
* \return The seat's keyboard pointer, or NULL if no keyboard is present
*
* The keyboard pointer for a seat isn't freed when all keyboards are removed,
* so it should only be used when the seat's keyboard_device_count is greater
* than zero. This function does that test and only returns a pointer
* when a keyboard is present.
*/
WL_EXPORT struct weston_keyboard *
weston_seat_get_keyboard(struct weston_seat *seat)
{
if (!seat)
return NULL;
if (seat->keyboard_device_count)
return seat->keyboard_state;
return NULL;
}
*
* \param seat The seat to query
* \return The seat's pointer pointer, or NULL if no pointer device is present
*
* The pointer pointer for a seat isn't freed when all mice are removed,
* so it should only be used when the seat's pointer_device_count is greater
* than zero. This function does that test and only returns a pointer
* when a pointing device is present.
*/
WL_EXPORT struct weston_pointer *
weston_seat_get_pointer(struct weston_seat *seat)
{
if (!seat)
return NULL;
if (seat->pointer_device_count)
return seat->pointer_state;
return NULL;
}
static const struct zwp_locked_pointer_v1_interface locked_pointer_interface;
static const struct zwp_confined_pointer_v1_interface confined_pointer_interface;
static enum pointer_constraint_type
pointer_constraint_get_type(struct weston_pointer_constraint *constraint)
{
if (wl_resource_instance_of(constraint->resource,
&zwp_locked_pointer_v1_interface,
&locked_pointer_interface)) {
return POINTER_CONSTRAINT_TYPE_LOCK;
} else if (wl_resource_instance_of(constraint->resource,
&zwp_confined_pointer_v1_interface,
&confined_pointer_interface)) {
return POINTER_CONSTRAINT_TYPE_CONFINE;
}
abort();
return 0;
}
static void
pointer_constraint_notify_activated(struct weston_pointer_constraint *constraint)
{
struct wl_resource *resource = constraint->resource;
switch (pointer_constraint_get_type(constraint)) {
case POINTER_CONSTRAINT_TYPE_LOCK:
zwp_locked_pointer_v1_send_locked(resource);
break;
case POINTER_CONSTRAINT_TYPE_CONFINE:
zwp_confined_pointer_v1_send_confined(resource);
break;
}
}
static void
pointer_constraint_notify_deactivated(struct weston_pointer_constraint *constraint)
{
struct wl_resource *resource = constraint->resource;
switch (pointer_constraint_get_type(constraint)) {
case POINTER_CONSTRAINT_TYPE_LOCK:
zwp_locked_pointer_v1_send_unlocked(resource);
break;
case POINTER_CONSTRAINT_TYPE_CONFINE:
zwp_confined_pointer_v1_send_unconfined(resource);
break;
}
}
static struct weston_pointer_constraint *
get_pointer_constraint_for_pointer(struct weston_surface *surface,
struct weston_pointer *pointer)
{
struct weston_pointer_constraint *constraint;
wl_list_for_each(constraint, &surface->pointer_constraints, link) {
if (constraint->pointer == pointer)
return constraint;
}
return NULL;
}
*
* \param seat The seat to query
* \return The seat's touch pointer, or NULL if no touch device is present
*
* The touch pointer for a seat isn't freed when all touch devices are removed,
* so it should only be used when the seat's touch_device_count is greater
* than zero. This function does that test and only returns a pointer
* when a touch device is present.
*/
WL_EXPORT struct weston_touch *
weston_seat_get_touch(struct weston_seat *seat)
{
if (!seat)
return NULL;
if (seat->touch_device_count)
return seat->touch_state;
return NULL;
}
static void
tablet_seat_destroy(struct wl_client *client, struct wl_resource *resource)
{
}
static const struct zwp_tablet_seat_v2_interface tablet_seat_interface = {
tablet_seat_destroy,
};
static void
tablet_manager_get_tablet_seat(struct wl_client *client, struct wl_resource *resource,
uint32_t id, struct wl_resource *seat_resource)
{
struct weston_seat *seat = wl_resource_get_user_data(seat_resource);
struct wl_resource *cr;
struct weston_tablet *tablet;
struct weston_tablet_tool *tool;
cr = wl_resource_create(client, &zwp_tablet_seat_v2_interface,
wl_resource_get_version(resource), id);
if (cr == NULL) {
wl_client_post_no_memory(client);
return;
}
wl_list_insert(&seat->tablet_seat_resource_list, wl_resource_get_link(cr));
wl_resource_set_implementation(cr, &tablet_seat_interface, seat,
unbind_resource);
wl_list_for_each(tablet, &seat->tablet_list, link) {
tablet_add_resource(tablet, client, cr);
wl_list_for_each(tool, &tablet->tool_list, link)
tablet_tool_add_resource(tool, client, cr);
}
wl_list_for_each(tool, &seat->tablet_tool_list, link)
tablet_tool_add_resource(tool, client, cr);
}
static void
tablet_manager_destroy(struct wl_client *client, struct wl_resource *resource)
{
}
static const struct zwp_tablet_manager_v2_interface tablet_manager_interface = {
tablet_manager_get_tablet_seat,
tablet_manager_destroy,
};
static void
bind_tablet_manager(struct wl_client *client, void *data, uint32_t version,
uint32_t id)
{
struct weston_compositor *compositor = data;
struct wl_resource *resource;
resource = wl_resource_create(client, &zwp_tablet_manager_v2_interface,
MIN(version, 1), id);
wl_resource_set_implementation(resource, &tablet_manager_interface,
data, unbind_resource);
wl_list_insert(&compositor->tablet_manager_resource_list,
wl_resource_get_link(resource));
}
WL_EXPORT void
weston_tablet_manager_init(struct weston_compositor *compositor)
{
if (compositor->tablet_manager)
return;
compositor->tablet_manager = wl_global_create(compositor->wl_display,
&zwp_tablet_manager_v2_interface,
1, compositor,
bind_tablet_manager);
}
*
* \param surface the surface to focus on
* \param seat The seat to query
*/
WL_EXPORT void
weston_seat_set_keyboard_focus(struct weston_seat *seat,
struct weston_surface *surface)
{
struct weston_compositor *compositor = seat->compositor;
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
struct weston_surface_activation_data activation_data;
if (keyboard && keyboard->focus != surface) {
weston_keyboard_set_focus(keyboard, surface);
wl_data_device_set_keyboard_focus(seat);
}
inc_activate_serial(compositor);
activation_data = (struct weston_surface_activation_data) {
.surface = surface,
.seat = seat,
};
wl_signal_emit(&compositor->activate_signal, &activation_data);
}
static void
enable_pointer_constraint(struct weston_pointer_constraint *constraint,
struct weston_view *view)
{
assert(constraint->view == NULL);
constraint->view = view;
pointer_constraint_notify_activated(constraint);
weston_pointer_start_grab(constraint->pointer, &constraint->grab);
wl_signal_add(&constraint->view->unmap_signal,
&constraint->view_unmap_listener);
}
static bool
is_pointer_constraint_enabled(struct weston_pointer_constraint *constraint)
{
return constraint->view != NULL;
}
static void
weston_pointer_constraint_disable(struct weston_pointer_constraint *constraint)
{
constraint->view = NULL;
pointer_constraint_notify_deactivated(constraint);
weston_pointer_end_grab(constraint->grab.pointer);
wl_list_remove(&constraint->view_unmap_listener.link);
wl_list_init(&constraint->view_unmap_listener.link);
}
void
weston_pointer_constraint_destroy(struct weston_pointer_constraint *constraint)
{
if (is_pointer_constraint_enabled(constraint))
weston_pointer_constraint_disable(constraint);
wl_list_remove(&constraint->pointer_destroy_listener.link);
wl_list_remove(&constraint->surface_commit_listener.link);
wl_list_remove(&constraint->surface_activate_listener.link);
wl_resource_set_user_data(constraint->resource, NULL);
pixman_region32_fini(&constraint->region);
wl_list_remove(&constraint->link);
free(constraint);
}
static void
disable_pointer_constraint(struct weston_pointer_constraint *constraint)
{
switch (constraint->lifetime) {
case ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ONESHOT:
weston_pointer_constraint_destroy(constraint);
break;
case ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT:
weston_pointer_constraint_disable(constraint);
break;
}
}
static bool
is_within_constraint_region(struct weston_pointer_constraint *constraint,
wl_fixed_t sx, wl_fixed_t sy)
{
struct weston_surface *surface = constraint->surface;
pixman_region32_t constraint_region;
bool result;
pixman_region32_init(&constraint_region);
pixman_region32_intersect(&constraint_region,
&surface->input,
&constraint->region);
result = pixman_region32_contains_point(&constraint_region,
wl_fixed_to_int(sx),
wl_fixed_to_int(sy),
NULL);
pixman_region32_fini(&constraint_region);
return result;
}
static void
maybe_enable_pointer_constraint(struct weston_pointer_constraint *constraint)
{
struct weston_surface *surface = constraint->surface;
struct weston_view *vit;
struct weston_view *view = NULL;
struct weston_pointer *pointer = constraint->pointer;
struct weston_keyboard *keyboard;
struct weston_seat *seat = pointer->seat;
struct weston_coord_surface c;
wl_list_for_each(vit, &surface->views, surface_link) {
if (vit->click_to_activate_serial ==
surface->compositor->activate_serial) {
view = vit;
}
}
if (view == NULL)
return;
keyboard = weston_seat_get_keyboard(seat);
if (!keyboard || keyboard->focus != surface)
return;
weston_view_update_transform(view);
* constraint region.
*/
c = weston_coord_global_to_surface(view, pointer->pos);
if (!is_within_constraint_region(constraint,
wl_fixed_from_double(c.c.x),
wl_fixed_from_double(c.c.y)))
return;
enable_pointer_constraint(constraint, view);
}
static void
locked_pointer_grab_pointer_focus(struct weston_pointer_grab *grab)
{
}
static void
locked_pointer_grab_pointer_motion(struct weston_pointer_grab *grab,
const struct timespec *time,
struct weston_pointer_motion_event *event)
{
pointer_send_relative_motion(grab->pointer, time, event);
}
static void
locked_pointer_grab_pointer_button(struct weston_pointer_grab *grab,
const struct timespec *time,
uint32_t button,
uint32_t state_w)
{
weston_pointer_send_button(grab->pointer, time, button, state_w);
}
static void
locked_pointer_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
locked_pointer_grab_pointer_axis_source(struct weston_pointer_grab *grab,
uint32_t source)
{
weston_pointer_send_axis_source(grab->pointer, source);
}
static void
locked_pointer_grab_pointer_frame(struct weston_pointer_grab *grab)
{
weston_pointer_send_frame(grab->pointer);
}
static void
locked_pointer_grab_pointer_cancel(struct weston_pointer_grab *grab)
{
struct weston_pointer_constraint *constraint =
container_of(grab, struct weston_pointer_constraint, grab);
disable_pointer_constraint(constraint);
}
static const struct weston_pointer_grab_interface
locked_pointer_grab_interface = {
locked_pointer_grab_pointer_focus,
locked_pointer_grab_pointer_motion,
locked_pointer_grab_pointer_button,
locked_pointer_grab_pointer_axis,
locked_pointer_grab_pointer_axis_source,
locked_pointer_grab_pointer_frame,
locked_pointer_grab_pointer_cancel,
};
static void
pointer_constraint_constrain_resource_destroyed(struct wl_resource *resource)
{
struct weston_pointer_constraint *constraint =
wl_resource_get_user_data(resource);
if (!constraint)
return;
weston_pointer_constraint_destroy(constraint);
}
static void
pointer_constraint_surface_activate(struct wl_listener *listener, void *data)
{
struct weston_surface_activation_data *activation = data;
struct weston_pointer *pointer;
struct weston_surface *focus = activation->surface;
struct weston_pointer_constraint *constraint =
container_of(listener, struct weston_pointer_constraint,
surface_activate_listener);
bool is_constraint_surface;
pointer = weston_seat_get_pointer(activation->seat);
if (!pointer)
return;
is_constraint_surface =
get_pointer_constraint_for_pointer(focus, pointer) == constraint;
if (is_constraint_surface &&
!is_pointer_constraint_enabled(constraint))
maybe_enable_pointer_constraint(constraint);
else if (!is_constraint_surface &&
is_pointer_constraint_enabled(constraint))
disable_pointer_constraint(constraint);
}
static void
pointer_constraint_pointer_destroyed(struct wl_listener *listener, void *data)
{
struct weston_pointer_constraint *constraint =
container_of(listener, struct weston_pointer_constraint,
pointer_destroy_listener);
weston_pointer_constraint_destroy(constraint);
}
static void
pointer_constraint_view_unmapped(struct wl_listener *listener, void *data)
{
struct weston_pointer_constraint *constraint =
container_of(listener, struct weston_pointer_constraint,
view_unmap_listener);
disable_pointer_constraint(constraint);
}
static void
pointer_constraint_surface_committed(struct wl_listener *listener, void *data)
{
struct weston_pointer_constraint *constraint =
container_of(listener, struct weston_pointer_constraint,
surface_commit_listener);
if (is_pointer_constraint_enabled(constraint))
weston_view_update_transform(constraint->view);
if (constraint->region_is_pending) {
constraint->region_is_pending = false;
pixman_region32_copy(&constraint->region,
&constraint->region_pending);
pixman_region32_fini(&constraint->region_pending);
pixman_region32_init(&constraint->region_pending);
}
if (constraint->hint_is_pending) {
constraint->hint_is_pending = false;
constraint->hint_is_pending = true;
constraint->hint_x = constraint->hint_x_pending;
constraint->hint_y = constraint->hint_y_pending;
}
if (pointer_constraint_get_type(constraint) ==
POINTER_CONSTRAINT_TYPE_CONFINE &&
is_pointer_constraint_enabled(constraint))
maybe_warp_confined_pointer(constraint);
}
static struct weston_pointer_constraint *
weston_pointer_constraint_create(struct weston_surface *surface,
struct weston_pointer *pointer,
struct weston_region *region,
enum zwp_pointer_constraints_v1_lifetime lifetime,
struct wl_resource *cr,
const struct weston_pointer_grab_interface *grab_interface)
{
struct weston_pointer_constraint *constraint;
constraint = zalloc(sizeof *constraint);
if (!constraint)
return NULL;
constraint->lifetime = lifetime;
pixman_region32_init(&constraint->region);
pixman_region32_init(&constraint->region_pending);
wl_list_insert(&surface->pointer_constraints, &constraint->link);
constraint->surface = surface;
constraint->pointer = pointer;
constraint->resource = cr;
constraint->grab.interface = grab_interface;
if (region) {
pixman_region32_copy(&constraint->region,
®ion->region);
} else {
pixman_region32_fini(&constraint->region);
region_init_infinite(&constraint->region);
}
constraint->surface_activate_listener.notify =
pointer_constraint_surface_activate;
constraint->view_unmap_listener.notify =
pointer_constraint_view_unmapped;
constraint->surface_commit_listener.notify =
pointer_constraint_surface_committed;
constraint->pointer_destroy_listener.notify =
pointer_constraint_pointer_destroyed;
wl_signal_add(&surface->compositor->activate_signal,
&constraint->surface_activate_listener);
wl_signal_add(&pointer->destroy_signal,
&constraint->pointer_destroy_listener);
wl_signal_add(&surface->commit_signal,
&constraint->surface_commit_listener);
return constraint;
}
static void
init_pointer_constraint(struct wl_resource *pointer_constraints_resource,
uint32_t id,
struct weston_surface *surface,
struct weston_pointer *pointer,
struct weston_region *region,
enum zwp_pointer_constraints_v1_lifetime lifetime,
const struct wl_interface *interface,
const void *implementation,
const struct weston_pointer_grab_interface *grab_interface)
{
struct wl_client *client =
wl_resource_get_client(pointer_constraints_resource);
struct wl_resource *cr;
struct weston_pointer_constraint *constraint;
if (pointer && get_pointer_constraint_for_pointer(surface, pointer)) {
wl_resource_post_error(pointer_constraints_resource,
ZWP_POINTER_CONSTRAINTS_V1_ERROR_ALREADY_CONSTRAINED,
"the pointer has a lock/confine request on this surface");
return;
}
cr = wl_resource_create(client, interface,
wl_resource_get_version(pointer_constraints_resource),
id);
if (cr == NULL) {
wl_client_post_no_memory(client);
return;
}
if (pointer) {
constraint = weston_pointer_constraint_create(surface, pointer,
region, lifetime,
cr, grab_interface);
if (constraint == NULL) {
wl_client_post_no_memory(client);
return;
}
} else {
constraint = NULL;
}
wl_resource_set_implementation(cr, implementation, constraint,
pointer_constraint_constrain_resource_destroyed);
if (constraint)
maybe_enable_pointer_constraint(constraint);
}
static void
pointer_constraints_destroy(struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static void
locked_pointer_destroy(struct wl_client *client,
struct wl_resource *resource)
{
struct weston_pointer_constraint *constraint =
wl_resource_get_user_data(resource);
if (constraint && constraint->view && constraint->hint_is_pending &&
is_within_constraint_region(constraint,
constraint->hint_x,
constraint->hint_y)) {
struct weston_coord_global pos;
struct weston_coord_surface surf_pos;
surf_pos = weston_coord_surface_from_fixed(constraint->hint_x,
constraint->hint_y,
constraint->view->surface);
pos = weston_coord_surface_to_global(constraint->view,
surf_pos);
weston_pointer_move_to(constraint->pointer, pos);
}
wl_resource_destroy(resource);
}
static void
locked_pointer_set_cursor_position_hint(struct wl_client *client,
struct wl_resource *resource,
wl_fixed_t surface_x,
wl_fixed_t surface_y)
{
struct weston_pointer_constraint *constraint =
wl_resource_get_user_data(resource);
*/
if (!constraint ||
!constraint->resource ||
constraint->resource != resource)
return;
constraint->hint_is_pending = true;
constraint->hint_x_pending = surface_x;
constraint->hint_y_pending = surface_y;
}
static void
locked_pointer_set_region(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *region_resource)
{
struct weston_pointer_constraint *constraint =
wl_resource_get_user_data(resource);
struct weston_region *region = region_resource ?
wl_resource_get_user_data(region_resource) : NULL;
if (!constraint)
return;
if (region) {
pixman_region32_copy(&constraint->region_pending,
®ion->region);
} else {
pixman_region32_fini(&constraint->region_pending);
region_init_infinite(&constraint->region_pending);
}
constraint->region_is_pending = true;
}
static const struct zwp_locked_pointer_v1_interface locked_pointer_interface = {
locked_pointer_destroy,
locked_pointer_set_cursor_position_hint,
locked_pointer_set_region,
};
static void
pointer_constraints_lock_pointer(struct wl_client *client,
struct wl_resource *resource,
uint32_t id,
struct wl_resource *surface_resource,
struct wl_resource *pointer_resource,
struct wl_resource *region_resource,
uint32_t lifetime)
{
struct weston_surface *surface =
wl_resource_get_user_data(surface_resource);
struct weston_pointer *pointer = wl_resource_get_user_data(pointer_resource);
struct weston_region *region = region_resource ?
wl_resource_get_user_data(region_resource) : NULL;
init_pointer_constraint(resource, id, surface, pointer, region, lifetime,
&zwp_locked_pointer_v1_interface,
&locked_pointer_interface,
&locked_pointer_grab_interface);
}
static void
confined_pointer_grab_pointer_focus(struct weston_pointer_grab *grab)
{
}
static double
weston_coord_cross_product(struct weston_coord a, struct weston_coord b)
{
return a.x * b.y - a.y * b.x;
}
static struct weston_coord
weston_coord_multiply_constant(double c, struct weston_coord a)
{
return (struct weston_coord) {
.x = c * a.x,
.y = c * a.y,
};
}
static bool
lines_intersect(struct line *line1, struct line *line2,
struct weston_coord *intersection)
{
struct weston_coord p = line1->a;
struct weston_coord r = weston_coord_sub(line1->b, line1->a);
struct weston_coord q = line2->a;
struct weston_coord s = weston_coord_sub(line2->b, line2->a);
struct weston_coord tmp;
double rxs;
double sxr;
double t;
double u;
* The line (p, r) and (q, s) intersects where
*
* p + t r = q + u s
*
* Calculate t:
*
* (p + t r) × s = (q + u s) × s
* p × s + t (r × s) = q × s + u (s × s)
* p × s + t (r × s) = q × s
* t (r × s) = q × s - p × s
* t (r × s) = (q - p) × s
* t = ((q - p) × s) / (r × s)
*
* Using the same method, for u we get:
*
* u = ((p - q) × r) / (s × r)
*/
rxs = weston_coord_cross_product(r, s);
sxr = weston_coord_cross_product(s, r);
if (fabs(rxs) < DBL_MIN)
return false;
tmp = weston_coord_sub(q, p);
t = weston_coord_cross_product(tmp, s) / rxs;
tmp = weston_coord_sub(p, q);
u = weston_coord_cross_product(tmp, r) / sxr;
if (t < 0.0 || t > 1.0 || u < 0.0 || u > 1.0)
return false;
*intersection = weston_coord_add(p, weston_coord_multiply_constant(t, r));
return true;
}
static struct border *
add_border(struct wl_array *array,
struct weston_coord pos1,
struct weston_coord pos2,
enum motion_direction blocking_dir)
{
struct border *border = wl_array_add(array, sizeof *border);
*border = (struct border) {
.line = (struct line) {
.a = pos1,
.b = pos2
},
.blocking_dir = blocking_dir,
};
return border;
}
static int
compare_lines_x(const void *a, const void *b)
{
const struct border *border_a = a;
const struct border *border_b = b;
if (border_a->line.a.x == border_b->line.a.x)
return border_a->line.b.x < border_b->line.b.x;
else
return border_a->line.a.x > border_b->line.a.x;
}
static void
add_non_overlapping_edges(pixman_box32_t *boxes,
int band_above_start,
int band_below_start,
int band_below_end,
struct wl_array *borders)
{
int i;
struct wl_array band_merge;
struct border *border;
struct border *prev_border;
struct border *new_border;
wl_array_init(&band_merge);
* sort them so lower left x coordinate comes first. If there are two
* borders with the same left x coordinate, the wider one comes first.
*/
for (i = band_above_start; i < band_below_start; i++) {
struct weston_coord pos1, pos2;
pixman_box32_t *box = &boxes[i];
pos1 = weston_coord(box->x1, box->y2);
pos2 = weston_coord(box->x2, box->y2);
add_border(&band_merge, pos1, pos2, MOTION_DIRECTION_POSITIVE_Y);
}
for (i = band_below_start; i < band_below_end; i++) {
struct weston_coord pos1, pos2;
pixman_box32_t *box= &boxes[i];
pos1 = weston_coord(box->x1, box->y1);
pos2 = weston_coord(box->x2, box->y1);
add_border(&band_merge, pos1, pos2, MOTION_DIRECTION_NEGATIVE_Y);
}
qsort(band_merge.data,
band_merge.size / sizeof *border,
sizeof *border,
compare_lines_x);
* eliminated. */
prev_border = NULL;
wl_array_for_each(border, &band_merge) {
assert(border->line.a.y == border->line.b.y);
assert(!prev_border ||
prev_border->line.a.y == border->line.a.y);
assert(!prev_border ||
(prev_border->line.a.x != border->line.a.x ||
prev_border->line.b.x != border->line.b.x));
assert(!prev_border ||
prev_border->line.a.x <= border->line.a.x);
if (prev_border &&
prev_border->line.a.x == border->line.a.x) {
* ------------ +
* ------- =
* [ ]-----
*/
prev_border->line.a.x = border->line.b.x;
} else if (prev_border &&
prev_border->line.b.x == border->line.b.x) {
* ------------ +
* ------ =
* ------[ ]
*/
prev_border->line.b.x = border->line.a.x;
} else if (prev_border &&
prev_border->line.b.x == border->line.a.x) {
* -------- +
* ------ =
* --------------
*/
prev_border->line.b.x = border->line.b.x;
} else if (prev_border &&
prev_border->line.b.x >= border->line.a.x) {
* --------------- +
* ------ =
* -----[ ]----
*/
new_border = add_border(borders,
border->line.b,
prev_border->line.b,
prev_border->blocking_dir);
prev_border->line.b.x = border->line.a.x;
prev_border = new_border;
} else {
assert(!prev_border ||
prev_border->line.b.x < border->line.a.x);
* First border or non-overlapping.
*
* ----- +
* ----- =
* ----- -----
*/
new_border = wl_array_add(borders, sizeof *border);
*new_border = *border;
prev_border = new_border;
}
}
wl_array_release(&band_merge);
}
static void
add_band_bottom_edges(pixman_box32_t *boxes,
int band_start,
int band_end,
struct wl_array *borders)
{
int i;
struct weston_coord pos1, pos2;
for (i = band_start; i < band_end; i++) {
pos1 = weston_coord(boxes[i].x1, boxes[i].y2);
pos2 = weston_coord(boxes[i].x2, boxes[i].y2);
add_border(borders, pos1, pos2, MOTION_DIRECTION_POSITIVE_Y);
}
}
static void
region_to_outline(pixman_region32_t *region, struct wl_array *borders)
{
struct weston_coord pos1, pos2;
pixman_box32_t *boxes;
int num_boxes;
int i;
int top_most, bottom_most;
int current_roof;
int prev_top;
int band_start, prev_band_start;
* Remove any overlapping lines from the set of rectangles. Note that
* pixman regions are grouped as rows of rectangles, where rectangles
* in one row never touch or overlap and are all of the same height.
*
* -------- --- -------- ---
* | | | | | | | |
* ----------====---- --- ----------- ----- ---
* | | => | |
* ----==========--------- ----- ----------
* | | | |
* ------------------- -------------------
*
*/
boxes = pixman_region32_rectangles(region, &num_boxes);
prev_top = 0;
top_most = boxes[0].y1;
current_roof = top_most;
bottom_most = boxes[num_boxes - 1].y2;
band_start = 0;
prev_band_start = 0;
for (i = 0; i < num_boxes; i++) {
* level of the previous band if so was the case. */
if (i > 0 &&
boxes[i].y1 != prev_top &&
boxes[i].y1 != boxes[i - 1].y2) {
current_roof = boxes[i].y1;
add_band_bottom_edges(boxes,
band_start,
i,
borders);
}
* by the band change detection below. */
if (boxes[i].y1 != current_roof && i == num_boxes - 1) {
if (boxes[i].y1 != prev_top) {
* have a prev_band_start to tell us when the
* previous band started. */
add_non_overlapping_edges(boxes,
band_start,
i,
i + 1,
borders);
} else {
add_non_overlapping_edges(boxes,
prev_band_start,
band_start,
i + 1,
borders);
}
}
* just passed band with the bottom band of the previous band.
*/
if (boxes[i].y1 != top_most && boxes[i].y1 != prev_top) {
if (prev_top != current_roof) {
add_non_overlapping_edges(boxes,
prev_band_start,
band_start,
i,
borders);
}
prev_band_start = band_start;
band_start = i;
}
if (boxes[i].y1 == current_roof) {
pos1 = weston_coord(boxes[i].x1, boxes[i].y1);
pos2 = weston_coord(boxes[i].x2, boxes[i].y1);
add_border(borders, pos1, pos2, MOTION_DIRECTION_NEGATIVE_Y);
}
if (boxes[i].y2 == bottom_most) {
pos1 = weston_coord(boxes[i].x1, boxes[i].y2);
pos2 = weston_coord(boxes[i].x2, boxes[i].y2);
add_border(borders, pos1, pos2, MOTION_DIRECTION_POSITIVE_Y);
}
pos1 = weston_coord(boxes[i].x1, boxes[i].y1);
pos2 = weston_coord(boxes[i].x1, boxes[i].y2);
add_border(borders, pos1, pos2, MOTION_DIRECTION_NEGATIVE_X);
pos1 = weston_coord(boxes[i].x2, boxes[i].y1);
pos2 = weston_coord(boxes[i].x2, boxes[i].y2);
add_border(borders, pos1, pos2, MOTION_DIRECTION_POSITIVE_X);
prev_top = boxes[i].y1;
}
}
static bool
is_border_horizontal (struct border *border)
{
return border->line.a.y == border->line.b.y;
}
static bool
is_border_blocking_directions(struct border *border,
uint32_t directions)
{
if (is_border_horizontal(border)) {
if ((directions & (MOTION_DIRECTION_POSITIVE_Y |
MOTION_DIRECTION_NEGATIVE_Y)) == 0)
return false;
} else {
if ((directions & (MOTION_DIRECTION_POSITIVE_X |
MOTION_DIRECTION_NEGATIVE_X)) == 0)
return false;
}
return (~border->blocking_dir & directions) != directions;
}
static struct border *
get_closest_border(struct wl_array *borders,
struct line *motion,
uint32_t directions)
{
struct border *border;
struct weston_coord intersection;
struct weston_coord delta;
double distance_2;
struct border *closest_border = NULL;
double closest_distance_2 = DBL_MAX;
wl_array_for_each(border, borders) {
if (!is_border_blocking_directions(border, directions))
continue;
if (!lines_intersect(&border->line, motion, &intersection))
continue;
delta = weston_coord_sub(intersection, motion->a);
distance_2 = delta.x*delta.x + delta.y*delta.y;
if (distance_2 < closest_distance_2) {
closest_border = border;
closest_distance_2 = distance_2;
}
}
return closest_border;
}
static void
clamp_to_border(struct border *border,
struct line *motion,
uint32_t *motion_dir)
{
* When clamping either rightward or downward motions, the motion needs
* to be clamped so that the destination coordinate does not end up on
* the border (see weston_pointer_clamp_event_to_region). Do this by
* clamping such motions to the border minus the smallest possible
* wl_fixed_t value.
*/
if (is_border_horizontal(border)) {
if (*motion_dir & MOTION_DIRECTION_POSITIVE_Y)
motion->b.y = border->line.a.y - wl_fixed_to_double(1);
else
motion->b.y = border->line.a.y;
*motion_dir &= ~(MOTION_DIRECTION_POSITIVE_Y |
MOTION_DIRECTION_NEGATIVE_Y);
} else {
if (*motion_dir & MOTION_DIRECTION_POSITIVE_X)
motion->b.x = border->line.a.x - wl_fixed_to_double(1);
else
motion->b.x = border->line.a.x;
*motion_dir &= ~(MOTION_DIRECTION_POSITIVE_X |
MOTION_DIRECTION_NEGATIVE_X);
}
}
static uint32_t
get_motion_directions(struct line *motion)
{
uint32_t directions = 0;
if (motion->a.x < motion->b.x)
directions |= MOTION_DIRECTION_POSITIVE_X;
else if (motion->a.x > motion->b.x)
directions |= MOTION_DIRECTION_NEGATIVE_X;
if (motion->a.y < motion->b.y)
directions |= MOTION_DIRECTION_POSITIVE_Y;
else if (motion->a.y > motion->b.y)
directions |= MOTION_DIRECTION_NEGATIVE_Y;
return directions;
}
static struct weston_coord_global
weston_pointer_clamp_event_to_region(struct weston_pointer *pointer,
struct weston_pointer_motion_event *event,
pixman_region32_t *region)
{
wl_fixed_t old_sx = pointer->sx;
wl_fixed_t old_sy = pointer->sy;
struct wl_array borders;
struct line motion;
struct border *closest_border;
uint32_t directions;
struct weston_coord_global pos;
struct weston_coord_global clamped_pos;
struct weston_coord_surface clamped_surf_pos;
struct weston_coord_surface surf_pos;
assert(pointer->focus);
pos = weston_pointer_motion_to_abs(pointer, event);
surf_pos = weston_coord_global_to_surface(pointer->focus, pos);
wl_array_init(&borders);
* Generate borders given the confine region we are to use. The borders
* are defined to be the outer region of the allowed area. This means
* top/left borders are "within" the allowed area, while bottom/right
* borders are outside. This needs to be considered when clamping
* confined motion vectors.
*/
region_to_outline(region, &borders);
motion = (struct line) {
.a = (struct weston_coord) {
.x = wl_fixed_to_double(old_sx),
.y = wl_fixed_to_double(old_sy),
},
.b = surf_pos.c,
};
directions = get_motion_directions(&motion);
while (directions) {
closest_border = get_closest_border(&borders,
&motion,
directions);
if (closest_border)
clamp_to_border(closest_border, &motion, &directions);
else
break;
}
clamped_surf_pos = weston_coord_surface(motion.b.x, motion.b.y,
pointer->focus->surface);
clamped_pos = weston_coord_surface_to_global(pointer->focus,
clamped_surf_pos);
wl_array_release(&borders);
return clamped_pos;
}
static double
point_to_border_distance_2(struct border *border, double x, double y)
{
double orig_x, orig_y;
double dx, dy;
if (is_border_horizontal(border)) {
if (x < border->line.a.x)
orig_x = border->line.a.x;
else if (x > border->line.b.x)
orig_x = border->line.b.x;
else
orig_x = x;
orig_y = border->line.a.y;
} else {
if (y < border->line.a.y)
orig_y = border->line.a.y;
else if (y > border->line.b.y)
orig_y = border->line.b.y;
else
orig_y = y;
orig_x = border->line.a.x;
}
dx = fabs(orig_x - x);
dy = fabs(orig_y - y);
return dx*dx + dy*dy;
}
static void
warp_to_behind_border(struct border *border, wl_fixed_t *sx, wl_fixed_t *sy)
{
switch (border->blocking_dir) {
case MOTION_DIRECTION_POSITIVE_X:
case MOTION_DIRECTION_NEGATIVE_X:
if (border->blocking_dir == MOTION_DIRECTION_POSITIVE_X)
*sx = wl_fixed_from_double(border->line.a.x) - 1;
else
*sx = wl_fixed_from_double(border->line.a.x) + 1;
if (*sy < wl_fixed_from_double(border->line.a.y))
*sy = wl_fixed_from_double(border->line.a.y) + 1;
else if (*sy > wl_fixed_from_double(border->line.b.y))
*sy = wl_fixed_from_double(border->line.b.y) - 1;
break;
case MOTION_DIRECTION_POSITIVE_Y:
case MOTION_DIRECTION_NEGATIVE_Y:
if (border->blocking_dir == MOTION_DIRECTION_POSITIVE_Y)
*sy = wl_fixed_from_double(border->line.a.y) - 1;
else
*sy = wl_fixed_from_double(border->line.a.y) + 1;
if (*sx < wl_fixed_from_double(border->line.a.x))
*sx = wl_fixed_from_double(border->line.a.x) + 1;
else if (*sx > wl_fixed_from_double(border->line.b.x))
*sx = wl_fixed_from_double(border->line.b.x) - 1;
break;
}
}
static void
maybe_warp_confined_pointer(struct weston_pointer_constraint *constraint)
{
wl_fixed_t sx;
wl_fixed_t sy;
struct weston_coord_surface c;
c = weston_coord_global_to_surface(constraint->view,
constraint->pointer->pos);
sx = wl_fixed_from_double(c.c.x);
sy = wl_fixed_from_double(c.c.y);
if (!is_within_constraint_region(constraint, sx, sy)) {
double xf = wl_fixed_to_double(sx);
double yf = wl_fixed_to_double(sy);
pixman_region32_t confine_region;
struct wl_array borders;
struct border *border;
double closest_distance_2 = DBL_MAX;
struct border *closest_border = NULL;
struct weston_coord_global cg;
struct weston_coord_surface cs;
wl_array_init(&borders);
pixman_region32_init(&confine_region);
pixman_region32_intersect(&confine_region,
&constraint->view->surface->input,
&constraint->region);
assert(pixman_region32_not_empty(&confine_region));
region_to_outline(&confine_region, &borders);
pixman_region32_fini(&confine_region);
wl_array_for_each(border, &borders) {
double distance_2;
distance_2 = point_to_border_distance_2(border, xf, yf);
if (distance_2 < closest_distance_2) {
closest_border = border;
closest_distance_2 = distance_2;
}
}
assert(closest_border);
warp_to_behind_border(closest_border, &sx, &sy);
wl_array_release(&borders);
cs = weston_coord_surface_from_fixed(sx, sy,
constraint->view->surface);
cg = weston_coord_surface_to_global(constraint->view, cs);
weston_pointer_move_to(constraint->pointer, cg);
}
}
static void
confined_pointer_grab_pointer_motion(struct weston_pointer_grab *grab,
const struct timespec *time,
struct weston_pointer_motion_event *event)
{
struct weston_pointer_constraint *constraint =
container_of(grab, struct weston_pointer_constraint, grab);
struct weston_pointer *pointer = grab->pointer;
struct weston_surface *surface;
wl_fixed_t old_sx = pointer->sx;
wl_fixed_t old_sy = pointer->sy;
pixman_region32_t confine_region;
struct weston_coord_global pos;
struct weston_coord_surface surf_pos;
assert(pointer->focus);
assert(pointer->focus->surface == constraint->surface);
surface = pointer->focus->surface;
weston_view_update_transform(pointer->focus);
pixman_region32_init(&confine_region);
pixman_region32_intersect(&confine_region,
&surface->input,
&constraint->region);
pos = weston_pointer_clamp_event_to_region(pointer, event,
&confine_region);
weston_pointer_move_to(pointer, pos);
pixman_region32_fini(&confine_region);
surf_pos = weston_coord_global_to_surface(pointer->focus, pos);
pointer->sx = wl_fixed_from_double(surf_pos.c.x);
pointer->sy = wl_fixed_from_double(surf_pos.c.y);
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
confined_pointer_grab_pointer_button(struct weston_pointer_grab *grab,
const struct timespec *time,
uint32_t button,
uint32_t state_w)
{
weston_pointer_send_button(grab->pointer, time, button, state_w);
}
static void
confined_pointer_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
confined_pointer_grab_pointer_axis_source(struct weston_pointer_grab *grab,
uint32_t source)
{
weston_pointer_send_axis_source(grab->pointer, source);
}
static void
confined_pointer_grab_pointer_frame(struct weston_pointer_grab *grab)
{
weston_pointer_send_frame(grab->pointer);
}
static void
confined_pointer_grab_pointer_cancel(struct weston_pointer_grab *grab)
{
struct weston_pointer_constraint *constraint =
container_of(grab, struct weston_pointer_constraint, grab);
disable_pointer_constraint(constraint);
}
static const struct weston_pointer_grab_interface
confined_pointer_grab_interface = {
confined_pointer_grab_pointer_focus,
confined_pointer_grab_pointer_motion,
confined_pointer_grab_pointer_button,
confined_pointer_grab_pointer_axis,
confined_pointer_grab_pointer_axis_source,
confined_pointer_grab_pointer_frame,
confined_pointer_grab_pointer_cancel,
};
static void
confined_pointer_destroy(struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static void
confined_pointer_set_region(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *region_resource)
{
struct weston_pointer_constraint *constraint =
wl_resource_get_user_data(resource);
struct weston_region *region = region_resource ?
wl_resource_get_user_data(region_resource) : NULL;
if (!constraint)
return;
if (region) {
pixman_region32_copy(&constraint->region_pending,
®ion->region);
} else {
pixman_region32_fini(&constraint->region_pending);
region_init_infinite(&constraint->region_pending);
}
constraint->region_is_pending = true;
}
static const struct zwp_confined_pointer_v1_interface confined_pointer_interface = {
confined_pointer_destroy,
confined_pointer_set_region,
};
static void
pointer_constraints_confine_pointer(struct wl_client *client,
struct wl_resource *resource,
uint32_t id,
struct wl_resource *surface_resource,
struct wl_resource *pointer_resource,
struct wl_resource *region_resource,
uint32_t lifetime)
{
struct weston_surface *surface =
wl_resource_get_user_data(surface_resource);
struct weston_pointer *pointer = wl_resource_get_user_data(pointer_resource);
struct weston_region *region = region_resource ?
wl_resource_get_user_data(region_resource) : NULL;
init_pointer_constraint(resource, id, surface, pointer, region, lifetime,
&zwp_confined_pointer_v1_interface,
&confined_pointer_interface,
&confined_pointer_grab_interface);
}
static const struct zwp_pointer_constraints_v1_interface pointer_constraints_interface = {
pointer_constraints_destroy,
pointer_constraints_lock_pointer,
pointer_constraints_confine_pointer,
};
static void
bind_pointer_constraints(struct wl_client *client, void *data,
uint32_t version, uint32_t id)
{
struct wl_resource *resource;
resource = wl_resource_create(client,
&zwp_pointer_constraints_v1_interface,
1, id);
wl_resource_set_implementation(resource, &pointer_constraints_interface,
NULL, NULL);
}
static void
input_timestamps_destroy(struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static const struct zwp_input_timestamps_v1_interface
input_timestamps_interface = {
input_timestamps_destroy,
};
static void
input_timestamps_manager_destroy(struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static void
input_timestamps_manager_get_keyboard_timestamps(struct wl_client *client,
struct wl_resource *resource,
uint32_t id,
struct wl_resource *keyboard_resource)
{
struct weston_keyboard *keyboard =
wl_resource_get_user_data(keyboard_resource);
struct wl_resource *input_ts;
input_ts = wl_resource_create(client,
&zwp_input_timestamps_v1_interface,
1, id);
if (!input_ts) {
wl_client_post_no_memory(client);
return;
}
if (keyboard) {
wl_list_insert(&keyboard->timestamps_list,
wl_resource_get_link(input_ts));
} else {
wl_list_init(wl_resource_get_link(input_ts));
}
wl_resource_set_implementation(input_ts,
&input_timestamps_interface,
keyboard_resource,
unbind_resource);
}
static void
input_timestamps_manager_get_pointer_timestamps(struct wl_client *client,
struct wl_resource *resource,
uint32_t id,
struct wl_resource *pointer_resource)
{
struct weston_pointer *pointer =
wl_resource_get_user_data(pointer_resource);
struct wl_resource *input_ts;
input_ts = wl_resource_create(client,
&zwp_input_timestamps_v1_interface,
1, id);
if (!input_ts) {
wl_client_post_no_memory(client);
return;
}
if (pointer) {
wl_list_insert(&pointer->timestamps_list,
wl_resource_get_link(input_ts));
} else {
wl_list_init(wl_resource_get_link(input_ts));
}
wl_resource_set_implementation(input_ts,
&input_timestamps_interface,
pointer_resource,
unbind_resource);
}
static void
input_timestamps_manager_get_touch_timestamps(struct wl_client *client,
struct wl_resource *resource,
uint32_t id,
struct wl_resource *touch_resource)
{
struct weston_touch *touch = wl_resource_get_user_data(touch_resource);
struct wl_resource *input_ts;
input_ts = wl_resource_create(client,
&zwp_input_timestamps_v1_interface,
1, id);
if (!input_ts) {
wl_client_post_no_memory(client);
return;
}
if (touch) {
wl_list_insert(&touch->timestamps_list,
wl_resource_get_link(input_ts));
} else {
wl_list_init(wl_resource_get_link(input_ts));
}
wl_resource_set_implementation(input_ts,
&input_timestamps_interface,
touch_resource,
unbind_resource);
}
static const struct zwp_input_timestamps_manager_v1_interface
input_timestamps_manager_interface = {
input_timestamps_manager_destroy,
input_timestamps_manager_get_keyboard_timestamps,
input_timestamps_manager_get_pointer_timestamps,
input_timestamps_manager_get_touch_timestamps,
};
static void
bind_input_timestamps_manager(struct wl_client *client, void *data,
uint32_t version, uint32_t id)
{
struct wl_resource *resource =
wl_resource_create(client,
&zwp_input_timestamps_manager_v1_interface,
1, id);
if (resource == NULL) {
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(resource,
&input_timestamps_manager_interface,
NULL, NULL);
}
int
weston_input_init(struct weston_compositor *compositor)
{
if (!wl_global_create(compositor->wl_display,
&zwp_relative_pointer_manager_v1_interface, 1,
compositor, bind_relative_pointer_manager))
return -1;
if (!wl_global_create(compositor->wl_display,
&zwp_pointer_constraints_v1_interface, 1,
NULL, bind_pointer_constraints))
return -1;
if (!wl_global_create(compositor->wl_display,
&zwp_input_timestamps_manager_v1_interface, 1,
NULL, bind_input_timestamps_manager))
return -1;
return 0;
}