mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-12-23 10:29:49 +01:00
250 lines
8 KiB
C
250 lines
8 KiB
C
#include <stdlib.h>
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#include <assert.h>
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#include <libinput.h>
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#include <wlr/backend/session.h>
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#include <wlr/interfaces/wlr_input_device.h>
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#include <wlr/util/list.h>
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#include <wlr/util/log.h>
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#include "backend/libinput.h"
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struct wlr_input_device *get_appropriate_device(
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enum wlr_input_device_type desired_type,
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struct libinput_device *libinput_dev) {
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list_t *wlr_devices = libinput_device_get_user_data(libinput_dev);
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if (!wlr_devices) {
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return NULL;
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}
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for (size_t i = 0; i < wlr_devices->length; ++i) {
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struct wlr_input_device *dev = wlr_devices->items[i];
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if (dev->type == desired_type) {
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return dev;
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}
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}
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return NULL;
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}
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static void wlr_libinput_device_destroy(struct wlr_input_device *_dev) {
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struct wlr_libinput_input_device *dev = (struct wlr_libinput_input_device *)_dev;
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libinput_device_unref(dev->handle);
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free(dev);
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}
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static struct wlr_input_device_impl input_device_impl = {
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.destroy = wlr_libinput_device_destroy
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};
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static struct wlr_input_device *allocate_device(
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struct wlr_libinput_backend *backend, struct libinput_device *libinput_dev,
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list_t *wlr_devices, enum wlr_input_device_type type) {
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int vendor = libinput_device_get_id_vendor(libinput_dev);
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int product = libinput_device_get_id_product(libinput_dev);
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const char *name = libinput_device_get_name(libinput_dev);
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struct wlr_libinput_input_device *wlr_libinput_dev;
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if (!(wlr_libinput_dev = calloc(1, sizeof(struct wlr_libinput_input_device)))) {
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return NULL;
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}
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struct wlr_input_device *wlr_dev = &wlr_libinput_dev->wlr_input_device;
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wlr_libinput_dev->handle = libinput_dev;
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libinput_device_ref(libinput_dev);
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wlr_input_device_init(wlr_dev, type, &input_device_impl,
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name, vendor, product);
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list_add(wlr_devices, wlr_dev);
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return wlr_dev;
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}
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static void handle_device_added(struct wlr_libinput_backend *backend,
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struct libinput_device *libinput_dev) {
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assert(backend && libinput_dev);
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/*
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* Note: the wlr API exposes only devices with a single capability, because
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* that meshes better with how Wayland does things and is a bit simpler.
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* However, libinput devices often have multiple capabilities - in such
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* cases we have to create several devices.
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*/
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int vendor = libinput_device_get_id_vendor(libinput_dev);
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int product = libinput_device_get_id_product(libinput_dev);
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const char *name = libinput_device_get_name(libinput_dev);
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list_t *wlr_devices = list_create();
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if (!wlr_devices) {
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goto fail;
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}
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wlr_log(L_DEBUG, "Added %s [%d:%d]", name, vendor, product);
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if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_KEYBOARD)) {
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struct wlr_input_device *wlr_dev = allocate_device(backend,
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libinput_dev, wlr_devices, WLR_INPUT_DEVICE_KEYBOARD);
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if (!wlr_dev) {
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goto fail;
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}
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wlr_dev->keyboard = wlr_libinput_keyboard_create(libinput_dev);
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if (!wlr_dev->keyboard) {
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free(wlr_dev);
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goto fail;
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}
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wl_signal_emit(&backend->backend.events.input_add, wlr_dev);
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}
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if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_POINTER)) {
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struct wlr_input_device *wlr_dev = allocate_device(backend,
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libinput_dev, wlr_devices, WLR_INPUT_DEVICE_POINTER);
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if (!wlr_dev) {
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goto fail;
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}
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wlr_dev->pointer = wlr_libinput_pointer_create(libinput_dev);
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if (!wlr_dev->pointer) {
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free(wlr_dev);
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goto fail;
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}
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wl_signal_emit(&backend->backend.events.input_add, wlr_dev);
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}
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if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_TOUCH)) {
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struct wlr_input_device *wlr_dev = allocate_device(backend,
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libinput_dev, wlr_devices, WLR_INPUT_DEVICE_TOUCH);
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if (!wlr_dev) {
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goto fail;
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}
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wlr_dev->touch = wlr_libinput_touch_create(libinput_dev);
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if (!wlr_dev->touch) {
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free(wlr_dev);
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goto fail;
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}
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wl_signal_emit(&backend->backend.events.input_add, wlr_dev);
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}
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if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_TABLET_TOOL)) {
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struct wlr_input_device *wlr_dev = allocate_device(backend,
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libinput_dev, wlr_devices, WLR_INPUT_DEVICE_TABLET_TOOL);
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if (!wlr_dev) {
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goto fail;
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}
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wlr_dev->tablet_tool = wlr_libinput_tablet_tool_create(libinput_dev);
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if (!wlr_dev->tablet_tool) {
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free(wlr_dev);
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goto fail;
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}
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wl_signal_emit(&backend->backend.events.input_add, wlr_dev);
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}
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if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_TABLET_PAD)) {
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struct wlr_input_device *wlr_dev = allocate_device(backend,
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libinput_dev, wlr_devices, WLR_INPUT_DEVICE_TABLET_PAD);
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if (!wlr_dev) {
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goto fail;
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}
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wlr_dev->tablet_pad = wlr_libinput_tablet_pad_create(libinput_dev);
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if (!wlr_dev->tablet_pad) {
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free(wlr_dev);
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goto fail;
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}
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wl_signal_emit(&backend->backend.events.input_add, wlr_dev);
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}
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if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_GESTURE)) {
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// TODO
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}
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if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_SWITCH)) {
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// TODO
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}
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if (wlr_devices->length > 0) {
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libinput_device_set_user_data(libinput_dev, wlr_devices);
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list_add(backend->wlr_device_lists, wlr_devices);
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} else {
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list_free(wlr_devices);
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}
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return;
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fail:
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wlr_log(L_ERROR, "Could not allocate new device");
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list_foreach(wlr_devices, free);
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list_free(wlr_devices);
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}
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static void handle_device_removed(struct wlr_libinput_backend *backend,
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struct libinput_device *libinput_dev) {
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list_t *wlr_devices = libinput_device_get_user_data(libinput_dev);
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int vendor = libinput_device_get_id_vendor(libinput_dev);
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int product = libinput_device_get_id_product(libinput_dev);
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const char *name = libinput_device_get_name(libinput_dev);
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wlr_log(L_DEBUG, "Removing %s [%d:%d]", name, vendor, product);
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if (!wlr_devices) {
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return;
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}
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for (size_t i = 0; i < wlr_devices->length; i++) {
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struct wlr_input_device *wlr_dev = wlr_devices->items[i];
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wl_signal_emit(&backend->backend.events.input_remove, wlr_dev);
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wlr_input_device_destroy(wlr_dev);
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}
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for (size_t i = 0; i < backend->wlr_device_lists->length; i++) {
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if (backend->wlr_device_lists->items[i] == wlr_devices) {
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list_del(backend->wlr_device_lists, i);
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break;
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}
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}
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list_free(wlr_devices);
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}
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void wlr_libinput_event(struct wlr_libinput_backend *backend,
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struct libinput_event *event) {
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assert(backend && event);
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struct libinput_device *libinput_dev = libinput_event_get_device(event);
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enum libinput_event_type event_type = libinput_event_get_type(event);
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switch (event_type) {
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case LIBINPUT_EVENT_DEVICE_ADDED:
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handle_device_added(backend, libinput_dev);
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break;
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case LIBINPUT_EVENT_DEVICE_REMOVED:
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handle_device_removed(backend, libinput_dev);
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break;
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case LIBINPUT_EVENT_KEYBOARD_KEY:
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handle_keyboard_key(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_POINTER_MOTION:
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handle_pointer_motion(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE:
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handle_pointer_motion_abs(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_POINTER_BUTTON:
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handle_pointer_button(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_POINTER_AXIS:
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handle_pointer_axis(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TOUCH_DOWN:
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handle_touch_down(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TOUCH_UP:
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handle_touch_up(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TOUCH_MOTION:
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handle_touch_motion(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TOUCH_CANCEL:
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handle_touch_cancel(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TOUCH_FRAME:
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// no-op (at least for now)
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break;
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case LIBINPUT_EVENT_TABLET_TOOL_AXIS:
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handle_tablet_tool_axis(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TABLET_TOOL_PROXIMITY:
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handle_tablet_tool_proximity(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TABLET_TOOL_TIP:
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handle_tablet_tool_tip(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TABLET_TOOL_BUTTON:
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handle_tablet_tool_button(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TABLET_PAD_BUTTON:
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handle_tablet_pad_button(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TABLET_PAD_RING:
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handle_tablet_pad_ring(event, libinput_dev);
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break;
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case LIBINPUT_EVENT_TABLET_PAD_STRIP:
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handle_tablet_pad_strip(event, libinput_dev);
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break;
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default:
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wlr_log(L_DEBUG, "Unknown libinput event %d", event_type);
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break;
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}
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}
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