diff options
Diffstat (limited to 'backend/libinput/events.c')
| -rw-r--r-- | backend/libinput/events.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/backend/libinput/events.c b/backend/libinput/events.c new file mode 100644 index 00000000..2e7cc541 --- /dev/null +++ b/backend/libinput/events.c @@ -0,0 +1,188 @@ +#include <stdlib.h> +#include <assert.h> +#include <libinput.h> +#include <wlr/session.h> +#include <wlr/types.h> +#include <wlr/common/list.h> +#include "backend/libinput.h" +#include "common/log.h" +#include "types.h" + +struct wlr_input_device *get_appropriate_device( + enum wlr_input_device_type desired_type, + struct libinput_device *device) { + list_t *devices = libinput_device_get_user_data(device); + if (!devices) { + return NULL; + } + for (size_t i = 0; i < devices->length; ++i) { + struct wlr_input_device *dev = devices->items[i]; + if (dev->type == desired_type) { + return dev; + } + } + return NULL; +} + +static void wlr_libinput_device_destroy(struct wlr_input_device_state *state) { + libinput_device_unref(state->handle); + free(state); +} + +static struct wlr_input_device_impl input_device_impl = { + .destroy = wlr_libinput_device_destroy +}; + +static struct wlr_input_device *allocate_device( + struct wlr_backend_state *state, struct libinput_device *device, + list_t *devices, enum wlr_input_device_type type) { + int vendor = libinput_device_get_id_vendor(device); + int product = libinput_device_get_id_product(device); + const char *name = libinput_device_get_name(device); + struct wlr_input_device_state *devstate = + calloc(1, sizeof(struct wlr_input_device_state)); + devstate->handle = device; + libinput_device_ref(device); + struct wlr_input_device *wlr_device = wlr_input_device_create( + type, &input_device_impl, devstate, + name, vendor, product); + list_add(devices, wlr_device); + list_add(state->devices, wlr_device); + return wlr_device; +} + +static void handle_device_added(struct wlr_backend_state *state, + struct libinput_device *device) { + assert(state && device); + /* + * 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(device); + int product = libinput_device_get_id_product(device); + const char *name = libinput_device_get_name(device); + list_t *devices = list_create(); + wlr_log(L_DEBUG, "Added %s [%d:%d]", name, vendor, product); + + if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_KEYBOARD)) { + struct wlr_input_device *wlr_device = allocate_device(state, + device, devices, WLR_INPUT_DEVICE_KEYBOARD); + wlr_device->keyboard = wlr_libinput_keyboard_create(device); + wl_signal_emit(&state->backend->events.input_add, wlr_device); + } + if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_POINTER)) { + struct wlr_input_device *wlr_device = allocate_device(state, + device, devices, WLR_INPUT_DEVICE_POINTER); + wlr_device->pointer = wlr_libinput_pointer_create(device); + wl_signal_emit(&state->backend->events.input_add, wlr_device); + } + if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_TOUCH)) { + struct wlr_input_device *wlr_device = allocate_device(state, + device, devices, WLR_INPUT_DEVICE_TOUCH); + wlr_device->touch = wlr_libinput_touch_create(device); + wl_signal_emit(&state->backend->events.input_add, wlr_device); + } + if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_TABLET_TOOL)) { + struct wlr_input_device *wlr_device = allocate_device(state, + device, devices, WLR_INPUT_DEVICE_TABLET_TOOL); + wlr_device->tablet_tool = wlr_libinput_tablet_tool_create(device); + wl_signal_emit(&state->backend->events.input_add, wlr_device); + } + if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_TABLET_PAD)) { + struct wlr_input_device *wlr_device = allocate_device(state, + device, devices, WLR_INPUT_DEVICE_TABLET_PAD); + wlr_device->tablet_pad = wlr_libinput_tablet_pad_create(device); + wl_signal_emit(&state->backend->events.input_add, wlr_device); + } + if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_GESTURE)) { + // TODO + } + if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_SWITCH)) { + // TODO + } + + if (devices->length > 0) { + libinput_device_set_user_data(device, devices); + } else { + list_free(devices); + } +} + +static void handle_device_removed(struct wlr_backend_state *state, + struct libinput_device *device) { + wlr_log(L_DEBUG, "libinput device removed"); + // TODO +} + +void wlr_libinput_event(struct wlr_backend_state *state, + struct libinput_event *event) { + assert(state && event); + struct libinput *context = libinput_event_get_context(event); + struct libinput_device *device = libinput_event_get_device(event); + enum libinput_event_type event_type = libinput_event_get_type(event); + (void)context; + switch (event_type) { + case LIBINPUT_EVENT_DEVICE_ADDED: + handle_device_added(state, device); + break; + case LIBINPUT_EVENT_DEVICE_REMOVED: + handle_device_removed(state, device); + break; + case LIBINPUT_EVENT_KEYBOARD_KEY: + handle_keyboard_key(event, device); + break; + case LIBINPUT_EVENT_POINTER_MOTION: + handle_pointer_motion(event, device); + break; + case LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE: + handle_pointer_motion_abs(event, device); + break; + case LIBINPUT_EVENT_POINTER_BUTTON: + handle_pointer_button(event, device); + break; + case LIBINPUT_EVENT_POINTER_AXIS: + handle_pointer_axis(event, device); + break; + case LIBINPUT_EVENT_TOUCH_DOWN: + handle_touch_down(event, device); + break; + case LIBINPUT_EVENT_TOUCH_UP: + handle_touch_up(event, device); + break; + case LIBINPUT_EVENT_TOUCH_MOTION: + handle_touch_motion(event, device); + break; + case LIBINPUT_EVENT_TOUCH_CANCEL: + handle_touch_cancel(event, device); + break; + case LIBINPUT_EVENT_TOUCH_FRAME: + // no-op (at least for now) + break; + case LIBINPUT_EVENT_TABLET_TOOL_AXIS: + handle_tablet_tool_axis(event, device); + break; + case LIBINPUT_EVENT_TABLET_TOOL_PROXIMITY: + handle_tablet_tool_proximity(event, device); + break; + case LIBINPUT_EVENT_TABLET_TOOL_TIP: + handle_tablet_tool_tip(event, device); + break; + case LIBINPUT_EVENT_TABLET_TOOL_BUTTON: + handle_tablet_tool_button(event, device); + break; + case LIBINPUT_EVENT_TABLET_PAD_BUTTON: + handle_tablet_pad_button(event, device); + break; + case LIBINPUT_EVENT_TABLET_PAD_RING: + handle_tablet_pad_ring(event, device); + break; + case LIBINPUT_EVENT_TABLET_PAD_STRIP: + handle_tablet_pad_strip(event, device); + break; + default: + wlr_log(L_DEBUG, "Unknown libinput event %d", event_type); + break; + } +} |