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https://github.com/swaywm/sway.git
synced 2024-11-14 14:34:07 +01:00
1a16262903
This adds a libinput_config change type to the input event for when the libinput config for a device changes In order for this to be possible to track, the libinput config code had to be refactored. It is now extracted into a separate file to isolate it from the rest of the input management code.
495 lines
14 KiB
C
495 lines
14 KiB
C
#define _POSIX_C_SOURCE 200809L
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#include <ctype.h>
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include <wlr/backend/libinput.h>
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#include <wlr/types/wlr_input_inhibitor.h>
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#include <wlr/types/wlr_virtual_keyboard_v1.h>
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#include "sway/config.h"
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#include "sway/input/input-manager.h"
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#include "sway/input/libinput.h"
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#include "sway/input/seat.h"
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#include "sway/ipc-server.h"
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#include "sway/server.h"
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#include "stringop.h"
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#include "list.h"
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#include "log.h"
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#define DEFAULT_SEAT "seat0"
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struct input_config *current_input_config = NULL;
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struct seat_config *current_seat_config = NULL;
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struct sway_seat *input_manager_current_seat(void) {
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struct sway_seat *seat = config->handler_context.seat;
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if (!seat) {
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seat = input_manager_get_default_seat();
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}
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return seat;
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}
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struct sway_seat *input_manager_get_default_seat(void) {
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return input_manager_get_seat(DEFAULT_SEAT, true);
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}
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struct sway_seat *input_manager_get_seat(const char *seat_name, bool create) {
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struct sway_seat *seat = NULL;
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wl_list_for_each(seat, &server.input->seats, link) {
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if (strcmp(seat->wlr_seat->name, seat_name) == 0) {
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return seat;
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}
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}
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return create ? seat_create(seat_name) : NULL;
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}
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char *input_device_get_identifier(struct wlr_input_device *device) {
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int vendor = device->vendor;
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int product = device->product;
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char *name = strdup(device->name);
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strip_whitespace(name);
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char *p = name;
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for (; *p; ++p) {
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if (*p == ' ') {
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*p = '_';
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}
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}
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const char *fmt = "%d:%d:%s";
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int len = snprintf(NULL, 0, fmt, vendor, product, name) + 1;
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char *identifier = malloc(len);
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if (!identifier) {
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sway_log(SWAY_ERROR, "Unable to allocate unique input device name");
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return NULL;
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}
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snprintf(identifier, len, fmt, vendor, product, name);
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free(name);
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return identifier;
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}
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static bool device_is_touchpad(struct sway_input_device *device) {
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if (device->wlr_device->type != WLR_INPUT_DEVICE_POINTER ||
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!wlr_input_device_is_libinput(device->wlr_device)) {
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return false;
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}
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struct libinput_device *libinput_device =
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wlr_libinput_get_device_handle(device->wlr_device);
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return libinput_device_config_tap_get_finger_count(libinput_device) > 0;
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}
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const char *input_device_get_type(struct sway_input_device *device) {
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switch (device->wlr_device->type) {
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case WLR_INPUT_DEVICE_POINTER:
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if (device_is_touchpad(device)) {
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return "touchpad";
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} else {
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return "pointer";
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}
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case WLR_INPUT_DEVICE_KEYBOARD:
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return "keyboard";
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case WLR_INPUT_DEVICE_TOUCH:
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return "touch";
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case WLR_INPUT_DEVICE_TABLET_TOOL:
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return "tablet_tool";
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case WLR_INPUT_DEVICE_TABLET_PAD:
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return "tablet_pad";
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case WLR_INPUT_DEVICE_SWITCH:
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return "switch";
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}
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return "unknown";
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}
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static void apply_input_type_config(struct sway_input_device *input_device) {
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const char *device_type = input_device_get_type(input_device);
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struct input_config *type_config = NULL;
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for (int i = 0; i < config->input_type_configs->length; i++) {
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struct input_config *ic = config->input_type_configs->items[i];
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if (strcmp(ic->identifier + 5, device_type) == 0) {
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type_config = ic;
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break;
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}
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}
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if (type_config == NULL) {
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return;
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}
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for (int i = 0; i < config->input_configs->length; i++) {
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struct input_config *ic = config->input_configs->items[i];
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if (strcmp(input_device->identifier, ic->identifier) == 0) {
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struct input_config *current = new_input_config(ic->identifier);
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merge_input_config(current, type_config);
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merge_input_config(current, ic);
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current->input_type = device_type;
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config->input_configs->items[i] = current;
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free_input_config(ic);
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ic = NULL;
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break;
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}
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}
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}
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static struct sway_input_device *input_sway_device_from_wlr(
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struct wlr_input_device *device) {
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struct sway_input_device *input_device = NULL;
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wl_list_for_each(input_device, &server.input->devices, link) {
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if (input_device->wlr_device == device) {
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return input_device;
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}
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}
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return NULL;
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}
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static bool input_has_seat_fallback_configuration(void) {
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struct sway_seat *seat = NULL;
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wl_list_for_each(seat, &server.input->seats, link) {
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struct seat_config *seat_config = seat_get_config(seat);
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if (seat_config && strcmp(seat_config->name, "*") != 0
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&& seat_config->fallback != -1) {
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return true;
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}
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}
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return false;
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}
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void input_manager_verify_fallback_seat(void) {
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struct sway_seat *seat = NULL;
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if (!input_has_seat_fallback_configuration()) {
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sway_log(SWAY_DEBUG, "no fallback seat config - creating default");
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seat = input_manager_get_default_seat();
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struct seat_config *sc = new_seat_config(seat->wlr_seat->name);
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sc->fallback = true;
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sc = store_seat_config(sc);
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input_manager_apply_seat_config(sc);
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}
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}
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static void handle_device_destroy(struct wl_listener *listener, void *data) {
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struct wlr_input_device *device = data;
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struct sway_input_device *input_device = input_sway_device_from_wlr(device);
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if (!sway_assert(input_device, "could not find sway device")) {
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return;
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}
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sway_log(SWAY_DEBUG, "removing device: '%s'",
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input_device->identifier);
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struct sway_seat *seat = NULL;
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wl_list_for_each(seat, &server.input->seats, link) {
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seat_remove_device(seat, input_device);
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}
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ipc_event_input("removed", input_device);
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wl_list_remove(&input_device->link);
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wl_list_remove(&input_device->device_destroy.link);
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free(input_device->identifier);
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free(input_device);
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}
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static void handle_new_input(struct wl_listener *listener, void *data) {
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struct sway_input_manager *input =
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wl_container_of(listener, input, new_input);
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struct wlr_input_device *device = data;
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struct sway_input_device *input_device =
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calloc(1, sizeof(struct sway_input_device));
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if (!sway_assert(input_device, "could not allocate input device")) {
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return;
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}
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device->data = input_device;
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input_device->wlr_device = device;
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input_device->identifier = input_device_get_identifier(device);
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wl_list_insert(&input->devices, &input_device->link);
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sway_log(SWAY_DEBUG, "adding device: '%s'",
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input_device->identifier);
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apply_input_type_config(input_device);
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sway_input_configure_libinput_device(input_device);
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wl_signal_add(&device->events.destroy, &input_device->device_destroy);
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input_device->device_destroy.notify = handle_device_destroy;
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input_manager_verify_fallback_seat();
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bool added = false;
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struct sway_seat *seat = NULL;
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wl_list_for_each(seat, &input->seats, link) {
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struct seat_config *seat_config = seat_get_config(seat);
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bool has_attachment = seat_config &&
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(seat_config_get_attachment(seat_config, input_device->identifier) ||
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seat_config_get_attachment(seat_config, "*"));
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if (has_attachment) {
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seat_add_device(seat, input_device);
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added = true;
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}
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}
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if (!added) {
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wl_list_for_each(seat, &input->seats, link) {
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struct seat_config *seat_config = seat_get_config(seat);
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if (seat_config && seat_config->fallback == 1) {
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seat_add_device(seat, input_device);
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added = true;
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}
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}
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}
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if (!added) {
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sway_log(SWAY_DEBUG,
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"device '%s' is not configured on any seats",
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input_device->identifier);
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}
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ipc_event_input("added", input_device);
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}
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static void handle_inhibit_activate(struct wl_listener *listener, void *data) {
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struct sway_input_manager *input_manager = wl_container_of(
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listener, input_manager, inhibit_activate);
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struct sway_seat *seat;
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wl_list_for_each(seat, &input_manager->seats, link) {
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seat_set_exclusive_client(seat, input_manager->inhibit->active_client);
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}
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}
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static void handle_inhibit_deactivate(struct wl_listener *listener, void *data) {
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struct sway_input_manager *input_manager = wl_container_of(
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listener, input_manager, inhibit_deactivate);
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struct sway_seat *seat;
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wl_list_for_each(seat, &input_manager->seats, link) {
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seat_set_exclusive_client(seat, NULL);
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struct sway_node *previous = seat_get_focus(seat);
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if (previous) {
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// Hack to get seat to re-focus the return value of get_focus
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seat_set_focus(seat, NULL);
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seat_set_focus(seat, previous);
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}
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}
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}
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void handle_virtual_keyboard(struct wl_listener *listener, void *data) {
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struct sway_input_manager *input_manager =
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wl_container_of(listener, input_manager, virtual_keyboard_new);
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struct wlr_virtual_keyboard_v1 *keyboard = data;
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struct wlr_input_device *device = &keyboard->input_device;
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struct sway_seat *seat = input_manager_get_default_seat();
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// TODO: The user might want this on a different seat
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struct sway_input_device *input_device =
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calloc(1, sizeof(struct sway_input_device));
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if (!sway_assert(input_device, "could not allocate input device")) {
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return;
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}
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device->data = input_device;
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input_device->wlr_device = device;
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input_device->identifier = input_device_get_identifier(device);
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wl_list_insert(&input_manager->devices, &input_device->link);
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sway_log(SWAY_DEBUG, "adding virtual keyboard: '%s'",
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input_device->identifier);
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wl_signal_add(&device->events.destroy, &input_device->device_destroy);
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input_device->device_destroy.notify = handle_device_destroy;
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seat_add_device(seat, input_device);
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}
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struct sway_input_manager *input_manager_create(struct sway_server *server) {
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struct sway_input_manager *input =
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calloc(1, sizeof(struct sway_input_manager));
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if (!input) {
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return NULL;
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}
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wl_list_init(&input->devices);
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wl_list_init(&input->seats);
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input->new_input.notify = handle_new_input;
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wl_signal_add(&server->backend->events.new_input, &input->new_input);
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input->virtual_keyboard = wlr_virtual_keyboard_manager_v1_create(
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server->wl_display);
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wl_signal_add(&input->virtual_keyboard->events.new_virtual_keyboard,
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&input->virtual_keyboard_new);
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input->virtual_keyboard_new.notify = handle_virtual_keyboard;
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input->inhibit = wlr_input_inhibit_manager_create(server->wl_display);
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input->inhibit_activate.notify = handle_inhibit_activate;
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wl_signal_add(&input->inhibit->events.activate,
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&input->inhibit_activate);
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input->inhibit_deactivate.notify = handle_inhibit_deactivate;
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wl_signal_add(&input->inhibit->events.deactivate,
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&input->inhibit_deactivate);
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return input;
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}
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bool input_manager_has_focus(struct sway_node *node) {
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struct sway_seat *seat = NULL;
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wl_list_for_each(seat, &server.input->seats, link) {
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if (seat_get_focus(seat) == node) {
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return true;
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}
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}
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return false;
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}
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void input_manager_set_focus(struct sway_node *node) {
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struct sway_seat *seat;
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wl_list_for_each(seat, &server.input->seats, link) {
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seat_set_focus(seat, node);
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seat_consider_warp_to_focus(seat);
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}
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}
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void input_manager_apply_input_config(struct input_config *input_config) {
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struct sway_input_device *input_device = NULL;
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bool wildcard = strcmp(input_config->identifier, "*") == 0;
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bool type_wildcard = strncmp(input_config->identifier, "type:", 5) == 0;
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wl_list_for_each(input_device, &server.input->devices, link) {
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bool type_matches = type_wildcard &&
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strcmp(input_device_get_type(input_device), input_config->identifier + 5) == 0;
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if (strcmp(input_device->identifier, input_config->identifier) == 0
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|| wildcard
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|| type_matches) {
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sway_input_configure_libinput_device(input_device);
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struct sway_seat *seat = NULL;
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wl_list_for_each(seat, &server.input->seats, link) {
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seat_configure_device(seat, input_device);
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}
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}
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}
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}
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void input_manager_reset_input(struct sway_input_device *input_device) {
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sway_input_reset_libinput_device(input_device);
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struct sway_seat *seat = NULL;
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wl_list_for_each(seat, &server.input->seats, link) {
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seat_reset_device(seat, input_device);
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}
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}
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void input_manager_reset_all_inputs() {
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struct sway_input_device *input_device = NULL;
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wl_list_for_each(input_device, &server.input->devices, link) {
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input_manager_reset_input(input_device);
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}
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}
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void input_manager_apply_seat_config(struct seat_config *seat_config) {
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sway_log(SWAY_DEBUG, "applying seat config for seat %s", seat_config->name);
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if (strcmp(seat_config->name, "*") == 0) {
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struct sway_seat *seat = NULL;
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wl_list_for_each(seat, &server.input->seats, link) {
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// Only apply the wildcard config directly if there is no seat
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// specific config
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struct seat_config *sc = seat_get_config(seat);
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if (!sc) {
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sc = seat_config;
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}
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seat_apply_config(seat, sc);
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}
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} else {
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struct sway_seat *seat =
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input_manager_get_seat(seat_config->name, true);
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if (!seat) {
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return;
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}
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seat_apply_config(seat, seat_config);
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}
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// for every device, try to add it to a seat and if no seat has it
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// attached, add it to the fallback seats.
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struct sway_input_device *input_device = NULL;
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wl_list_for_each(input_device, &server.input->devices, link) {
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list_t *seat_list = create_list();
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struct sway_seat *seat = NULL;
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wl_list_for_each(seat, &server.input->seats, link) {
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struct seat_config *seat_config = seat_get_config(seat);
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if (!seat_config) {
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continue;
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}
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if (seat_config_get_attachment(seat_config, "*") ||
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seat_config_get_attachment(seat_config,
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input_device->identifier)) {
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list_add(seat_list, seat);
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}
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}
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if (seat_list->length) {
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wl_list_for_each(seat, &server.input->seats, link) {
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bool attached = false;
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for (int i = 0; i < seat_list->length; ++i) {
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if (seat == seat_list->items[i]) {
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attached = true;
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break;
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}
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}
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if (attached) {
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seat_add_device(seat, input_device);
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} else {
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seat_remove_device(seat, input_device);
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}
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}
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} else {
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wl_list_for_each(seat, &server.input->seats, link) {
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struct seat_config *seat_config = seat_get_config(seat);
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if (seat_config && seat_config->fallback == 1) {
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seat_add_device(seat, input_device);
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} else {
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seat_remove_device(seat, input_device);
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}
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}
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}
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list_free(seat_list);
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}
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}
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void input_manager_configure_xcursor(void) {
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struct sway_seat *seat = NULL;
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wl_list_for_each(seat, &server.input->seats, link) {
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seat_configure_xcursor(seat);
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}
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}
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struct input_config *input_device_get_config(struct sway_input_device *device) {
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struct input_config *wildcard_config = NULL;
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struct input_config *input_config = NULL;
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for (int i = 0; i < config->input_configs->length; ++i) {
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input_config = config->input_configs->items[i];
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if (strcmp(input_config->identifier, device->identifier) == 0) {
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return input_config;
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} else if (strcmp(input_config->identifier, "*") == 0) {
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wildcard_config = input_config;
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}
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}
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const char *device_type = input_device_get_type(device);
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for (int i = 0; i < config->input_type_configs->length; ++i) {
|
|
input_config = config->input_type_configs->items[i];
|
|
if (strcmp(input_config->identifier + 5, device_type) == 0) {
|
|
return input_config;
|
|
}
|
|
}
|
|
|
|
return wildcard_config;
|
|
}
|