#define _POSIX_C_SOURCE 200809L #include #include #include #include #include #include #include #include "backend/libinput.h" #include "util/array.h" #include "util/signal.h" static struct wlr_libinput_input_device *get_libinput_device_from_device( struct wlr_input_device *wlr_dev) { assert(wlr_input_device_is_libinput(wlr_dev)); return (struct wlr_libinput_input_device *)wlr_dev; } struct wlr_input_device *get_appropriate_device( enum wlr_input_device_type desired_type, struct libinput_device *libinput_dev) { struct wl_list *wlr_devices = libinput_device_get_user_data(libinput_dev); if (!wlr_devices) { return NULL; } struct wlr_libinput_input_device *dev; wl_list_for_each(dev, wlr_devices, link) { if (dev->wlr_input_device.type == desired_type) { return &dev->wlr_input_device; } } return NULL; } static void input_device_destroy(struct wlr_input_device *wlr_dev) { struct wlr_libinput_input_device *dev = get_libinput_device_from_device(wlr_dev); libinput_device_unref(dev->handle); wl_list_remove(&dev->link); free(dev); } static const struct wlr_input_device_impl input_device_impl = { .destroy = input_device_destroy, }; static struct wlr_input_device *allocate_device( struct wlr_libinput_backend *backend, struct libinput_device *libinput_dev, struct wl_list *wlr_devices, enum wlr_input_device_type type) { const char *name = libinput_device_get_name(libinput_dev); struct wlr_libinput_input_device *dev = calloc(1, sizeof(struct wlr_libinput_input_device)); if (dev == NULL) { return NULL; } struct wlr_input_device *wlr_dev = &dev->wlr_input_device; libinput_device_get_size(libinput_dev, &wlr_dev->width_mm, &wlr_dev->height_mm); const char *output_name = libinput_device_get_output_name(libinput_dev); if (output_name != NULL) { wlr_dev->output_name = strdup(output_name); } wl_list_insert(wlr_devices, &dev->link); dev->handle = libinput_dev; libinput_device_ref(libinput_dev); wlr_input_device_init(wlr_dev, type, &input_device_impl, name); wlr_dev->vendor = libinput_device_get_id_vendor(libinput_dev); wlr_dev->product = libinput_device_get_id_product(libinput_dev); return wlr_dev; } bool wlr_input_device_is_libinput(struct wlr_input_device *wlr_dev) { return wlr_dev->impl == &input_device_impl; } static void handle_device_added(struct wlr_libinput_backend *backend, struct libinput_device *libinput_dev) { /* * Note: the wlr API exposes only devices with a single capability, because * that meshes better with how Wayland does things and is a bit simpler. * However, libinput devices often have multiple capabilities - in such * cases we have to create several devices. */ int vendor = libinput_device_get_id_vendor(libinput_dev); int product = libinput_device_get_id_product(libinput_dev); const char *name = libinput_device_get_name(libinput_dev); struct wl_list *wlr_devices = calloc(1, sizeof(struct wl_list)); if (!wlr_devices) { wlr_log(WLR_ERROR, "Allocation failed"); return; } wl_list_init(wlr_devices); wlr_log(WLR_DEBUG, "Added %s [%d:%d]", name, vendor, product); if (libinput_device_has_capability( libinput_dev, LIBINPUT_DEVICE_CAP_KEYBOARD)) { struct wlr_input_device *wlr_dev = allocate_device(backend, libinput_dev, wlr_devices, WLR_INPUT_DEVICE_KEYBOARD); if (!wlr_dev) { goto fail; } wlr_dev->keyboard = create_libinput_keyboard(libinput_dev); if (!wlr_dev->keyboard) { free(wlr_dev); goto fail; } wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev); } if (libinput_device_has_capability( libinput_dev, LIBINPUT_DEVICE_CAP_POINTER)) { struct wlr_input_device *wlr_dev = allocate_device(backend, libinput_dev, wlr_devices, WLR_INPUT_DEVICE_POINTER); if (!wlr_dev) { goto fail; } wlr_dev->pointer = create_libinput_pointer(libinput_dev); if (!wlr_dev->pointer) { free(wlr_dev); goto fail; } wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev); } if (libinput_device_has_capability( libinput_dev, LIBINPUT_DEVICE_CAP_TOUCH)) { struct wlr_input_device *wlr_dev = allocate_device(backend, libinput_dev, wlr_devices, WLR_INPUT_DEVICE_TOUCH); if (!wlr_dev) { goto fail; } wlr_dev->touch = create_libinput_touch(libinput_dev); if (!wlr_dev->touch) { free(wlr_dev); goto fail; } wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev); } if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_TABLET_TOOL)) { struct wlr_input_device *wlr_dev = allocate_device(backend, libinput_dev, wlr_devices, WLR_INPUT_DEVICE_TABLET_TOOL); if (!wlr_dev) { goto fail; } wlr_dev->tablet = create_libinput_tablet(libinput_dev); if (!wlr_dev->tablet) { free(wlr_dev); goto fail; } wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev); } if (libinput_device_has_capability( libinput_dev, LIBINPUT_DEVICE_CAP_TABLET_PAD)) { struct wlr_input_device *wlr_dev = allocate_device(backend, libinput_dev, wlr_devices, WLR_INPUT_DEVICE_TABLET_PAD); if (!wlr_dev) { goto fail; } wlr_dev->tablet_pad = create_libinput_tablet_pad(libinput_dev); if (!wlr_dev->tablet_pad) { free(wlr_dev); goto fail; } wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev); } if (libinput_device_has_capability( libinput_dev, LIBINPUT_DEVICE_CAP_GESTURE)) { // TODO } if (libinput_device_has_capability( libinput_dev, LIBINPUT_DEVICE_CAP_SWITCH)) { struct wlr_input_device *wlr_dev = allocate_device(backend, libinput_dev, wlr_devices, WLR_INPUT_DEVICE_SWITCH); if (!wlr_dev) { goto fail; } wlr_dev->switch_device = create_libinput_switch(libinput_dev); if (!wlr_dev->switch_device) { free(wlr_dev); goto fail; } wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev); } if (!wl_list_empty(wlr_devices)) { struct wl_list **dst = wl_array_add(&backend->wlr_device_lists, sizeof(wlr_devices)); if (!dst) { goto fail; } *dst = wlr_devices; libinput_device_set_user_data(libinput_dev, wlr_devices); } else { free(wlr_devices); } return; fail: wlr_log(WLR_ERROR, "Could not allocate new device"); struct wlr_libinput_input_device *dev, *tmp_dev; wl_list_for_each_safe(dev, tmp_dev, wlr_devices, link) { free(dev); } free(wlr_devices); } static void handle_device_removed(struct wlr_libinput_backend *backend, struct libinput_device *libinput_dev) { struct wl_list *wlr_devices = libinput_device_get_user_data(libinput_dev); int vendor = libinput_device_get_id_vendor(libinput_dev); int product = libinput_device_get_id_product(libinput_dev); const char *name = libinput_device_get_name(libinput_dev); wlr_log(WLR_DEBUG, "Removing %s [%d:%d]", name, vendor, product); if (!wlr_devices) { return; } struct wlr_libinput_input_device *dev, *tmp_dev; wl_list_for_each_safe(dev, tmp_dev, wlr_devices, link) { wlr_input_device_destroy(&dev->wlr_input_device); } size_t i = 0; struct wl_list **ptr; wl_array_for_each(ptr, &backend->wlr_device_lists) { struct wl_list *iter = *ptr; if (iter == wlr_devices) { array_remove_at(&backend->wlr_device_lists, i * sizeof(struct wl_list *), sizeof(struct wl_list *)); break; } i++; } free(wlr_devices); } void handle_libinput_event(struct wlr_libinput_backend *backend, struct libinput_event *event) { struct libinput_device *libinput_dev = libinput_event_get_device(event); enum libinput_event_type event_type = libinput_event_get_type(event); switch (event_type) { case LIBINPUT_EVENT_DEVICE_ADDED: handle_device_added(backend, libinput_dev); break; case LIBINPUT_EVENT_DEVICE_REMOVED: handle_device_removed(backend, libinput_dev); break; case LIBINPUT_EVENT_KEYBOARD_KEY: handle_keyboard_key(event, libinput_dev); break; case LIBINPUT_EVENT_POINTER_MOTION: handle_pointer_motion(event, libinput_dev); break; case LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE: handle_pointer_motion_abs(event, libinput_dev); break; case LIBINPUT_EVENT_POINTER_BUTTON: handle_pointer_button(event, libinput_dev); break; case LIBINPUT_EVENT_POINTER_AXIS: handle_pointer_axis(event, libinput_dev); break; case LIBINPUT_EVENT_TOUCH_DOWN: handle_touch_down(event, libinput_dev); break; case LIBINPUT_EVENT_TOUCH_UP: handle_touch_up(event, libinput_dev); break; case LIBINPUT_EVENT_TOUCH_MOTION: handle_touch_motion(event, libinput_dev); break; case LIBINPUT_EVENT_TOUCH_CANCEL: handle_touch_cancel(event, libinput_dev); break; case LIBINPUT_EVENT_TOUCH_FRAME: handle_touch_frame(event, libinput_dev); break; case LIBINPUT_EVENT_TABLET_TOOL_AXIS: handle_tablet_tool_axis(event, libinput_dev); break; case LIBINPUT_EVENT_TABLET_TOOL_PROXIMITY: handle_tablet_tool_proximity(event, libinput_dev); break; case LIBINPUT_EVENT_TABLET_TOOL_TIP: handle_tablet_tool_tip(event, libinput_dev); break; case LIBINPUT_EVENT_TABLET_TOOL_BUTTON: handle_tablet_tool_button(event, libinput_dev); break; case LIBINPUT_EVENT_TABLET_PAD_BUTTON: handle_tablet_pad_button(event, libinput_dev); break; case LIBINPUT_EVENT_TABLET_PAD_RING: handle_tablet_pad_ring(event, libinput_dev); break; case LIBINPUT_EVENT_TABLET_PAD_STRIP: handle_tablet_pad_strip(event, libinput_dev); break; case LIBINPUT_EVENT_SWITCH_TOGGLE: handle_switch_toggle(event, libinput_dev); break; case LIBINPUT_EVENT_GESTURE_SWIPE_BEGIN: handle_pointer_swipe_begin(event, libinput_dev); break; case LIBINPUT_EVENT_GESTURE_SWIPE_UPDATE: handle_pointer_swipe_update(event, libinput_dev); break; case LIBINPUT_EVENT_GESTURE_SWIPE_END: handle_pointer_swipe_end(event, libinput_dev); break; case LIBINPUT_EVENT_GESTURE_PINCH_BEGIN: handle_pointer_pinch_begin(event, libinput_dev); break; case LIBINPUT_EVENT_GESTURE_PINCH_UPDATE: handle_pointer_pinch_update(event, libinput_dev); break; case LIBINPUT_EVENT_GESTURE_PINCH_END: handle_pointer_pinch_end(event, libinput_dev); break; #if LIBINPUT_HAS_HOLD_GESTURES case LIBINPUT_EVENT_GESTURE_HOLD_BEGIN: handle_pointer_hold_begin(event, libinput_dev); break; case LIBINPUT_EVENT_GESTURE_HOLD_END: handle_pointer_hold_end(event, libinput_dev); break; #endif default: wlr_log(WLR_DEBUG, "Unknown libinput event %d", event_type); break; } }