147 lines
4.7 KiB
C
147 lines
4.7 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/session.h>
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#include <wlr/types.h>
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#include <wlr/common/list.h>
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#include "backend/libinput.h"
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#include "common/log.h"
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#include "types.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 *device) {
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list_t *devices = libinput_device_get_user_data(device);
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if (!devices) {
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return NULL;
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}
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for (size_t i = 0; i < devices->length; ++i) {
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struct wlr_input_device *dev = 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_state *state) {
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libinput_device_unref(state->handle);
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free(state);
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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_backend_state *state, struct libinput_device *device,
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list_t *devices, enum wlr_input_device_type type) {
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int vendor = libinput_device_get_id_vendor(device);
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int product = libinput_device_get_id_product(device);
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const char *name = libinput_device_get_name(device);
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struct wlr_input_device_state *devstate =
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calloc(1, sizeof(struct wlr_input_device_state));
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devstate->handle = device;
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libinput_device_ref(device);
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struct wlr_input_device *wlr_device = wlr_input_device_create(
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type, &input_device_impl, devstate,
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name, vendor, product);
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list_add(devices, wlr_device);
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list_add(state->devices, wlr_device);
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return wlr_device;
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}
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static void handle_device_added(struct wlr_backend_state *state,
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struct libinput_device *device) {
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assert(state && device);
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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(device);
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int product = libinput_device_get_id_product(device);
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const char *name = libinput_device_get_name(device);
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list_t *devices = list_create();
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wlr_log(L_DEBUG, "Added %s [%d:%d]", name, vendor, product);
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if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_KEYBOARD)) {
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struct wlr_input_device *wlr_device = allocate_device(state,
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device, devices, WLR_INPUT_DEVICE_KEYBOARD);
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wlr_device->keyboard = wlr_libinput_keyboard_create(device);
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wl_signal_emit(&state->backend->events.input_add, wlr_device);
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}
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if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_POINTER)) {
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struct wlr_input_device *wlr_device = allocate_device(state,
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device, devices, WLR_INPUT_DEVICE_POINTER);
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wlr_device->pointer = wlr_libinput_pointer_create(device);
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wl_signal_emit(&state->backend->events.input_add, wlr_device);
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}
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if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_TOUCH)) {
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struct wlr_input_device *wlr_device = allocate_device(state,
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device, devices, WLR_INPUT_DEVICE_TOUCH);
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wlr_device->touch = wlr_libinput_touch_create(device);
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wl_signal_emit(&state->backend->events.input_add, wlr_device);
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}
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if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_TABLET_TOOL)) {
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// TODO
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}
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if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_TABLET_PAD)) {
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// TODO
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}
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if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_GESTURE)) {
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// TODO
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}
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if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_SWITCH)) {
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// TODO
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}
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if (devices->length > 0) {
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libinput_device_set_user_data(device, devices);
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} else {
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list_free(devices);
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}
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}
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static void handle_device_removed(struct wlr_backend_state *state,
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struct libinput_device *device) {
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wlr_log(L_DEBUG, "libinput device removed");
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// TODO
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}
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void wlr_libinput_event(struct wlr_backend_state *state,
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struct libinput_event *event) {
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assert(state && event);
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struct libinput *context = libinput_event_get_context(event);
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struct libinput_device *device = libinput_event_get_device(event);
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enum libinput_event_type event_type = libinput_event_get_type(event);
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(void)context;
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switch (event_type) {
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case LIBINPUT_EVENT_DEVICE_ADDED:
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handle_device_added(state, device);
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break;
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case LIBINPUT_EVENT_DEVICE_REMOVED:
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handle_device_removed(state, device);
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break;
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case LIBINPUT_EVENT_KEYBOARD_KEY:
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handle_keyboard_key(event, device);
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break;
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case LIBINPUT_EVENT_POINTER_MOTION:
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handle_pointer_motion(event, device);
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break;
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case LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE:
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handle_pointer_motion_abs(event, device);
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break;
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case LIBINPUT_EVENT_POINTER_BUTTON:
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handle_pointer_button(event, device);
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break;
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case LIBINPUT_EVENT_POINTER_AXIS:
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handle_pointer_axis(event, device);
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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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