diff options
Diffstat (limited to 'sway/input/tablet.c')
| -rw-r--r-- | sway/input/tablet.c | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/sway/input/tablet.c b/sway/input/tablet.c new file mode 100644 index 00000000..b0d4d0c6 --- /dev/null +++ b/sway/input/tablet.c @@ -0,0 +1,345 @@ +#define _POSIX_C_SOURCE 200809L +#include <stdlib.h> +#include <wlr/backend/libinput.h> +#include <wlr/types/wlr_tablet_v2.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); + } + + 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 = + cursor->seat->wlr_seat->pointer_state.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; + } + + 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; + + 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); +} |