swayfx/sway/input/tablet.c

374 lines
11 KiB
C

#define _POSIX_C_SOURCE 200809L
#include <stdlib.h>
#include <wlr/backend/libinput.h>
#include <wlr/types/wlr_tablet_v2.h>
#include <wlr/types/wlr_tablet_tool.h>
#include <wlr/types/wlr_tablet_pad.h>
#include "log.h"
#include "sway/input/cursor.h"
#include "sway/input/seat.h"
#include "sway/input/tablet.h"
static void handle_pad_tablet_destroy(struct wl_listener *listener, void *data) {
struct sway_tablet_pad *pad =
wl_container_of(listener, pad, tablet_destroy);
pad->tablet = NULL;
wl_list_remove(&pad->tablet_destroy.link);
wl_list_init(&pad->tablet_destroy.link);
}
static void attach_tablet_pad(struct sway_tablet_pad *tablet_pad,
struct sway_tablet *tablet) {
sway_log(SWAY_DEBUG, "Attaching tablet pad \"%s\" to tablet tool \"%s\"",
tablet_pad->seat_device->input_device->wlr_device->name,
tablet->seat_device->input_device->wlr_device->name);
tablet_pad->tablet = tablet;
wl_list_remove(&tablet_pad->tablet_destroy.link);
tablet_pad->tablet_destroy.notify = handle_pad_tablet_destroy;
wl_signal_add(&tablet->seat_device->input_device->wlr_device->events.destroy,
&tablet_pad->tablet_destroy);
}
struct sway_tablet *sway_tablet_create(struct sway_seat *seat,
struct sway_seat_device *device) {
struct sway_tablet *tablet =
calloc(1, sizeof(struct sway_tablet));
if (!sway_assert(tablet, "could not allocate sway tablet for seat")) {
return NULL;
}
wl_list_insert(&seat->cursor->tablets, &tablet->link);
device->tablet = tablet;
tablet->seat_device = device;
return tablet;
}
void sway_configure_tablet(struct sway_tablet *tablet) {
struct wlr_input_device *device =
tablet->seat_device->input_device->wlr_device;
struct sway_seat *seat = tablet->seat_device->sway_seat;
if ((seat->wlr_seat->capabilities & WL_SEAT_CAPABILITY_POINTER) == 0) {
seat_configure_xcursor(seat);
}
if (!tablet->tablet_v2) {
tablet->tablet_v2 =
wlr_tablet_create(server.tablet_v2, seat->wlr_seat, device);
}
/* Search for a sibling tablet pad */
if (!wlr_input_device_is_libinput(device)) {
/* We can only do this on libinput devices */
return;
}
struct libinput_device_group *group =
libinput_device_get_device_group(wlr_libinput_get_device_handle(device));
struct sway_tablet_pad *tablet_pad;
wl_list_for_each(tablet_pad, &seat->cursor->tablet_pads, link) {
struct wlr_input_device *pad_device =
tablet_pad->seat_device->input_device->wlr_device;
if (!wlr_input_device_is_libinput(pad_device)) {
continue;
}
struct libinput_device_group *pad_group =
libinput_device_get_device_group(wlr_libinput_get_device_handle(pad_device));
if (pad_group == group) {
attach_tablet_pad(tablet_pad, tablet);
break;
}
}
}
void sway_tablet_destroy(struct sway_tablet *tablet) {
if (!tablet) {
return;
}
wl_list_remove(&tablet->link);
free(tablet);
}
static void handle_tablet_tool_set_cursor(struct wl_listener *listener, void *data) {
struct sway_tablet_tool *tool =
wl_container_of(listener, tool, set_cursor);
struct wlr_tablet_v2_event_cursor *event = data;
struct sway_cursor *cursor = tool->seat->cursor;
if (!seatop_allows_set_cursor(cursor->seat)) {
return;
}
struct wl_client *focused_client = NULL;
struct wlr_surface *focused_surface = tool->tablet_v2_tool->focused_surface;
if (focused_surface != NULL) {
focused_client = wl_resource_get_client(focused_surface->resource);
}
// TODO: check cursor mode
if (focused_client == NULL ||
event->seat_client->client != focused_client) {
sway_log(SWAY_DEBUG, "denying request to set cursor from unfocused client");
return;
}
cursor_set_image_surface(cursor, event->surface, event->hotspot_x,
event->hotspot_y, focused_client);
}
static void handle_tablet_tool_destroy(struct wl_listener *listener, void *data) {
struct sway_tablet_tool *tool =
wl_container_of(listener, tool, tool_destroy);
wl_list_remove(&tool->tool_destroy.link);
wl_list_remove(&tool->set_cursor.link);
free(tool);
}
void sway_tablet_tool_configure(struct sway_tablet *tablet,
struct wlr_tablet_tool *wlr_tool) {
struct sway_tablet_tool *tool =
calloc(1, sizeof(struct sway_tablet_tool));
if (!sway_assert(tool, "could not allocate sway tablet tool for tablet")) {
return;
}
switch (wlr_tool->type) {
case WLR_TABLET_TOOL_TYPE_LENS:
case WLR_TABLET_TOOL_TYPE_MOUSE:
tool->mode = SWAY_TABLET_TOOL_MODE_RELATIVE;
break;
default:
tool->mode = SWAY_TABLET_TOOL_MODE_ABSOLUTE;
struct input_config *ic = input_device_get_config(
tablet->seat_device->input_device);
if (!ic) {
break;
}
for (int i = 0; i < ic->tools->length; i++) {
struct input_config_tool *tool_config = ic->tools->items[i];
if (tool_config->type == wlr_tool->type) {
tool->mode = tool_config->mode;
break;
}
}
}
tool->seat = tablet->seat_device->sway_seat;
tool->tablet = tablet;
tool->tablet_v2_tool =
wlr_tablet_tool_create(server.tablet_v2,
tablet->seat_device->sway_seat->wlr_seat, wlr_tool);
tool->tool_destroy.notify = handle_tablet_tool_destroy;
wl_signal_add(&wlr_tool->events.destroy, &tool->tool_destroy);
tool->set_cursor.notify = handle_tablet_tool_set_cursor;
wl_signal_add(&tool->tablet_v2_tool->events.set_cursor,
&tool->set_cursor);
wlr_tool->data = tool;
}
static void handle_tablet_pad_attach(struct wl_listener *listener,
void *data) {
struct sway_tablet_pad *pad = wl_container_of(listener, pad, attach);
struct wlr_tablet_tool *wlr_tool = data;
struct sway_tablet_tool *tool = wlr_tool->data;
if (!tool) {
return;
}
attach_tablet_pad(pad, tool->tablet);
}
static void handle_tablet_pad_ring(struct wl_listener *listener, void *data) {
struct sway_tablet_pad *pad = wl_container_of(listener, pad, ring);
struct wlr_event_tablet_pad_ring *event = data;
if (!pad->current_surface) {
return;
}
wlr_tablet_v2_tablet_pad_notify_ring(pad->tablet_v2_pad,
event->ring, event->position,
event->source == WLR_TABLET_PAD_RING_SOURCE_FINGER,
event->time_msec);
}
static void handle_tablet_pad_strip(struct wl_listener *listener, void *data) {
struct sway_tablet_pad *pad = wl_container_of(listener, pad, strip);
struct wlr_event_tablet_pad_strip *event = data;
if (!pad->current_surface) {
return;
}
wlr_tablet_v2_tablet_pad_notify_strip(pad->tablet_v2_pad,
event->strip, event->position,
event->source == WLR_TABLET_PAD_STRIP_SOURCE_FINGER,
event->time_msec);
}
static void handle_tablet_pad_button(struct wl_listener *listener, void *data) {
struct sway_tablet_pad *pad = wl_container_of(listener, pad, button);
struct wlr_event_tablet_pad_button *event = data;
if (!pad->current_surface) {
return;
}
wlr_tablet_v2_tablet_pad_notify_mode(pad->tablet_v2_pad,
event->group, event->mode, event->time_msec);
wlr_tablet_v2_tablet_pad_notify_button(pad->tablet_v2_pad,
event->button, event->time_msec,
(enum zwp_tablet_pad_v2_button_state)event->state);
}
struct sway_tablet_pad *sway_tablet_pad_create(struct sway_seat *seat,
struct sway_seat_device *device) {
struct sway_tablet_pad *tablet_pad =
calloc(1, sizeof(struct sway_tablet_pad));
if (!sway_assert(tablet_pad, "could not allocate sway tablet")) {
return NULL;
}
tablet_pad->seat_device = device;
wl_list_init(&tablet_pad->attach.link);
wl_list_init(&tablet_pad->button.link);
wl_list_init(&tablet_pad->strip.link);
wl_list_init(&tablet_pad->ring.link);
wl_list_init(&tablet_pad->surface_destroy.link);
wl_list_init(&tablet_pad->tablet_destroy.link);
wl_list_insert(&seat->cursor->tablet_pads, &tablet_pad->link);
return tablet_pad;
}
void sway_configure_tablet_pad(struct sway_tablet_pad *tablet_pad) {
struct wlr_input_device *device =
tablet_pad->seat_device->input_device->wlr_device;
struct sway_seat *seat = tablet_pad->seat_device->sway_seat;
if (!tablet_pad->tablet_v2_pad) {
tablet_pad->tablet_v2_pad =
wlr_tablet_pad_create(server.tablet_v2, seat->wlr_seat, device);
}
wl_list_remove(&tablet_pad->attach.link);
tablet_pad->attach.notify = handle_tablet_pad_attach;
wl_signal_add(&device->tablet_pad->events.attach_tablet,
&tablet_pad->attach);
wl_list_remove(&tablet_pad->button.link);
tablet_pad->button.notify = handle_tablet_pad_button;
wl_signal_add(&device->tablet_pad->events.button, &tablet_pad->button);
wl_list_remove(&tablet_pad->strip.link);
tablet_pad->strip.notify = handle_tablet_pad_strip;
wl_signal_add(&device->tablet_pad->events.strip, &tablet_pad->strip);
wl_list_remove(&tablet_pad->ring.link);
tablet_pad->ring.notify = handle_tablet_pad_ring;
wl_signal_add(&device->tablet_pad->events.ring, &tablet_pad->ring);
/* Search for a sibling tablet */
if (!wlr_input_device_is_libinput(device)) {
/* We can only do this on libinput devices */
return;
}
struct libinput_device_group *group =
libinput_device_get_device_group(wlr_libinput_get_device_handle(device));
struct sway_tablet *tool;
wl_list_for_each(tool, &seat->cursor->tablets, link) {
struct wlr_input_device *tablet =
tool->seat_device->input_device->wlr_device;
if (!wlr_input_device_is_libinput(tablet)) {
continue;
}
struct libinput_device_group *tablet_group =
libinput_device_get_device_group(wlr_libinput_get_device_handle(tablet));
if (tablet_group == group) {
attach_tablet_pad(tablet_pad, tool);
break;
}
}
}
void sway_tablet_pad_destroy(struct sway_tablet_pad *tablet_pad) {
if (!tablet_pad) {
return;
}
wl_list_remove(&tablet_pad->link);
wl_list_remove(&tablet_pad->attach.link);
wl_list_remove(&tablet_pad->button.link);
wl_list_remove(&tablet_pad->strip.link);
wl_list_remove(&tablet_pad->ring.link);
wl_list_remove(&tablet_pad->surface_destroy.link);
wl_list_remove(&tablet_pad->tablet_destroy.link);
free(tablet_pad);
}
static void handle_pad_tablet_surface_destroy(struct wl_listener *listener,
void *data) {
struct sway_tablet_pad *tablet_pad =
wl_container_of(listener, tablet_pad, surface_destroy);
wlr_tablet_v2_tablet_pad_notify_leave(tablet_pad->tablet_v2_pad,
tablet_pad->current_surface);
wl_list_remove(&tablet_pad->surface_destroy.link);
wl_list_init(&tablet_pad->surface_destroy.link);
tablet_pad->current_surface = NULL;
}
void sway_tablet_pad_notify_enter(struct sway_tablet_pad *tablet_pad,
struct wlr_surface *surface) {
if (!tablet_pad || !tablet_pad->tablet) {
return;
}
if (surface == tablet_pad->current_surface) {
return;
}
/* Leave current surface */
if (tablet_pad->current_surface) {
wlr_tablet_v2_tablet_pad_notify_leave(tablet_pad->tablet_v2_pad,
tablet_pad->current_surface);
wl_list_remove(&tablet_pad->surface_destroy.link);
wl_list_init(&tablet_pad->surface_destroy.link);
tablet_pad->current_surface = NULL;
}
if (!wlr_surface_accepts_tablet_v2(tablet_pad->tablet->tablet_v2, surface)) {
return;
}
wlr_tablet_v2_tablet_pad_notify_enter(tablet_pad->tablet_v2_pad,
tablet_pad->tablet->tablet_v2, surface);
tablet_pad->current_surface = surface;
wl_list_remove(&tablet_pad->surface_destroy.link);
tablet_pad->surface_destroy.notify = handle_pad_tablet_surface_destroy;
wl_signal_add(&surface->events.destroy, &tablet_pad->surface_destroy);
}