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Merge branch 'libinput' into wayland-backend

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This commit is contained in:
nyorain 2017-06-19 17:49:26 +02:00
commit 41a477375c
45 changed files with 5386 additions and 2033 deletions
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13
backend/CMakeLists.txt
View file

@ -2,6 +2,7 @@ include_directories(
${PROTOCOLS_INCLUDE_DIRS}
${WAYLAND_INCLUDE_DIR}
${DRM_INCLUDE_DIRS}
${LIBINPUT_INCLUDE_DIRS}
)
add_library(wlr-backend
@ -11,9 +12,18 @@ add_library(wlr-backend
wayland/wl_output.c
drm/backend.c
drm/drm.c
udev.c
libinput/backend.c
libinput/events.c
libinput/keyboard.c
libinput/pointer.c
libinput/touch.c
libinput/tablet_tool.c
multi/backend.c
backend.c
egl.c
udev.c
)
target_link_libraries(wlr-backend
@ -26,5 +36,6 @@ target_link_libraries(wlr-backend
${EGL_LIBRARIES}
${SYSTEMD_LIBRARIES}
${UDEV_LIBRARIES}
${LIBINPUT_LIBRARIES}
${GBM_LIBRARIES}
)

42
backend/backend.c
View file

@ -3,10 +3,15 @@
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <libinput.h>
#include <wlr/session.h>
#include <wlr/backend/interface.h>
#include <wlr/backend/drm.h>
#include <wlr/backend/libinput.h>
#include <wlr/backend/multi.h>
#include "backend/libinput.h"
#include "backend/udev.h"
#include "common/log.h"
#include "backend/drm.h"
struct wlr_backend *wlr_backend_create(const struct wlr_backend_impl *impl,
struct wlr_backend_state *state) {
@ -17,14 +22,10 @@ struct wlr_backend *wlr_backend_create(const struct wlr_backend_impl *impl,
}
backend->state = state;
backend->impl = impl;
wl_signal_init(&backend->events.input_add);
wl_signal_init(&backend->events.input_remove);
wl_signal_init(&backend->events.output_add);
wl_signal_init(&backend->events.output_remove);
wl_signal_init(&backend->events.keyboard_add);
wl_signal_init(&backend->events.keyboard_remove);
wl_signal_init(&backend->events.pointer_add);
wl_signal_init(&backend->events.pointer_remove);
wl_signal_init(&backend->events.touch_add);
wl_signal_init(&backend->events.touch_remove);
return backend;
}
@ -51,12 +52,27 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display,
wlr_log(L_ERROR, "Failed to open DRM device");
goto error_udev;
}
struct wlr_backend *wlr;
wlr = wlr_drm_backend_create(display, session, udev, gpu);
if (!wlr) {
struct wlr_backend *multi = wlr_multi_backend_create();
if (!multi) {
goto error_gpu;
}
return wlr;
struct wlr_backend *libinput =
wlr_libinput_backend_create(display, session, udev);
if (!libinput) {
goto error_multi;
}
struct wlr_backend *drm =
wlr_drm_backend_create(display, session, udev, gpu);
if (!drm) {
goto error_libinput;
}
wlr_multi_backend_add(multi, libinput);
wlr_multi_backend_add(multi, drm);
return multi;
error_libinput:
wlr_backend_destroy(libinput);
error_multi:
wlr_backend_destroy(multi);
error_gpu:
close(gpu);
error_udev:
@ -64,3 +80,7 @@ error_udev:
error:
return NULL;
}
struct libinput_device *wlr_libinput_get_device_handle(struct wlr_input_device *dev) {
return dev->state->handle;
}

92
backend/drm/drm.c
View file

@ -112,8 +112,8 @@ static void wlr_drm_output_end(struct wlr_output_state *output) {
drmModePageFlip(renderer->fd, output->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output);
output->pageflip_pending = true;
output->bo_last = output->bo_current;
output->bo_current = bo;
output->bo[1] = output->bo[0];
output->bo[0] = bo;
}
void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
@ -141,8 +141,8 @@ void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
drmModePageFlip(renderer->fd, output->crtc, fb_id,
DRM_MODE_PAGE_FLIP_EVENT, output);
output->bo_last = NULL;
output->bo_current = bo;
output->bo[1] = NULL;
output->bo[0] = bo;
}
static bool display_init_renderer(struct wlr_drm_renderer *renderer,
@ -280,6 +280,59 @@ static void wlr_drm_output_transform(struct wlr_output_state *output,
output->wlr_output->transform = transform;
}
static void wlr_drm_cursor_bo_update(struct wlr_output_state *output,
uint32_t width, uint32_t height) {
if (output->cursor_width == width && output->cursor_height == height) {
return;
}
wlr_log(L_DEBUG, "Allocating new cursor bos");
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
for (size_t i = 0; i < 2; ++i) {
output->cursor_bo[i] = gbm_bo_create(state->renderer.gbm,
width, height, GBM_FORMAT_ARGB8888,
GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE);
if (!output->cursor_bo[i]) {
wlr_log(L_ERROR, "Failed to create cursor bo");
return;
}
}
}
static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height) {
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
if (!buf) {
drmModeSetCursor(state->fd, output->crtc, 0, 0, 0);
return true;
}
wlr_drm_cursor_bo_update(output, width, height);
struct gbm_bo *bo;
output->current_cursor ^= 1;
bo = output->cursor_bo[output->current_cursor];
uint32_t _buf[width * height];
memset(_buf, 0, sizeof(_buf));
for (size_t i = 0; i < height; ++i) {
memcpy(_buf + i * width,
buf + i * stride,
width * 4);
}
if (gbm_bo_write(bo, _buf, sizeof(_buf)) < 0) {
wlr_log(L_ERROR, "Failed to write cursor to bo");
return false;
}
return !drmModeSetCursor(state->fd, output->crtc,
gbm_bo_get_handle(bo).s32, width, height);
}
static bool wlr_drm_output_move_cursor(struct wlr_output_state *output,
int x, int y) {
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
return !drmModeMoveCursor(state->fd, output->crtc, x, y);
}
static void wlr_drm_output_destroy(struct wlr_output_state *output) {
wlr_drm_output_cleanup(output, true);
free(output);
@ -289,6 +342,8 @@ static struct wlr_output_impl output_impl = {
.enable = wlr_drm_output_enable,
.set_mode = wlr_drm_output_set_mode,
.transform = wlr_drm_output_transform,
.set_cursor = wlr_drm_output_set_cursor,
.move_cursor = wlr_drm_output_move_cursor,
.destroy = wlr_drm_output_destroy,
};
@ -457,6 +512,29 @@ void wlr_drm_scan_connectors(struct wlr_backend_state *state) {
snprintf(wlr_output->name, sizeof(wlr_output->name), "%s-%"PRIu32,
conn_name[conn->connector_type],
conn->connector_type_id);
wlr_output->phys_width = conn->mmWidth;
wlr_output->phys_height = conn->mmHeight;
switch (conn->subpixel) {
case DRM_MODE_SUBPIXEL_UNKNOWN:
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_UNKNOWN;
break;
case DRM_MODE_SUBPIXEL_HORIZONTAL_RGB:
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB;
break;
case DRM_MODE_SUBPIXEL_HORIZONTAL_BGR:
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR;
break;
case DRM_MODE_SUBPIXEL_VERTICAL_RGB:
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_VERTICAL_RGB;
break;
case DRM_MODE_SUBPIXEL_VERTICAL_BGR:
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_VERTICAL_BGR;
break;
case DRM_MODE_SUBPIXEL_NONE:
default:
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_NONE;
break;
}
drmModeEncoder *curr_enc = drmModeGetEncoder(state->fd, conn->encoder_id);
if (curr_enc) {
@ -519,9 +597,9 @@ static void page_flip_handler(int fd, unsigned seq,
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
if (output->bo_last) {
gbm_surface_release_buffer(output->gbm, output->bo_last);
output->bo_last = NULL;
if (output->bo[1]) {
gbm_surface_release_buffer(output->gbm, output->bo[1]);
output->bo[1] = NULL;
}
output->pageflip_pending = false;

121
backend/libinput/backend.c Normal file
View file

@ -0,0 +1,121 @@
#include <stdlib.h>
#include <assert.h>
#include <libinput.h>
#include <wlr/session.h>
#include <wlr/backend/interface.h>
#include "backend/udev.h"
#include "backend/libinput.h"
#include "common/log.h"
static int wlr_libinput_open_restricted(const char *path,
int flags, void *_state) {
struct wlr_backend_state *state = _state;
return wlr_session_open_file(state->session, path);
}
static void wlr_libinput_close_restricted(int fd, void *_state) {
struct wlr_backend_state *state = _state;
wlr_session_close_file(state->session, fd);
}
static const struct libinput_interface libinput_impl = {
.open_restricted = wlr_libinput_open_restricted,
.close_restricted = wlr_libinput_close_restricted
};
static int wlr_libinput_readable(int fd, uint32_t mask, void *_state) {
struct wlr_backend_state *state = _state;
if (libinput_dispatch(state->libinput) != 0) {
wlr_log(L_ERROR, "Failed to dispatch libinput");
// TODO: some kind of abort?
return 0;
}
struct libinput_event *event;
while ((event = libinput_get_event(state->libinput))) {
wlr_libinput_event(state, event);
}
return 0;
}
static void wlr_libinput_log(struct libinput *libinput,
enum libinput_log_priority priority, const char *fmt, va_list args) {
_wlr_vlog(L_ERROR, fmt, args);
}
static bool wlr_libinput_backend_init(struct wlr_backend_state *state) {
wlr_log(L_DEBUG, "Initializing libinput");
state->libinput = libinput_udev_create_context(&libinput_impl, state,
state->udev->udev);
if (!state->libinput) {
wlr_log(L_ERROR, "Failed to create libinput context");
return false;
}
// TODO: Let user customize seat used
if (libinput_udev_assign_seat(state->libinput, "seat0") != 0) {
wlr_log(L_ERROR, "Failed to assign libinput seat");
return false;
}
// TODO: More sophisticated logging
libinput_log_set_handler(state->libinput, wlr_libinput_log);
libinput_log_set_priority(state->libinput, LIBINPUT_LOG_PRIORITY_ERROR);
struct wl_event_loop *event_loop =
wl_display_get_event_loop(state->display);
if (state->input_event) {
wl_event_source_remove(state->input_event);
}
state->input_event = wl_event_loop_add_fd(event_loop,
libinput_get_fd(state->libinput), WL_EVENT_READABLE,
wlr_libinput_readable, state);
if (!state->input_event) {
wlr_log(L_ERROR, "Failed to create input event on event loop");
return false;
}
wlr_log(L_DEBUG, "libinput sucessfully initialized");
return true;
}
static void wlr_libinput_backend_destroy(struct wlr_backend_state *state) {
// TODO
}
static struct wlr_backend_impl backend_impl = {
.init = wlr_libinput_backend_init,
.destroy = wlr_libinput_backend_destroy
};
struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
struct wlr_session *session, struct wlr_udev *udev) {
assert(display && session && udev);
struct wlr_backend_state *state = calloc(1, sizeof(struct wlr_backend_state));
if (!state) {
wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
return NULL;
}
struct wlr_backend *backend = wlr_backend_create(&backend_impl, state);
if (!backend) {
wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
goto error_state;
}
if (!(state->devices = list_create())) {
wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
goto error_backend;
}
state->backend = backend;
state->session = session;
state->udev = udev;
state->display = display;
return backend;
error_state:
free(state);
error_backend:
wlr_backend_destroy(backend);
return NULL;
}

176
backend/libinput/events.c Normal file
View file

@ -0,0 +1,176 @@
#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)) {
// TODO
}
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;
default:
wlr_log(L_DEBUG, "Unknown libinput event %d", event_type);
break;
}
}

44
backend/libinput/keyboard.c Normal file
View file

@ -0,0 +1,44 @@
#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_keyboard *wlr_libinput_keyboard_create(
struct libinput_device *device) {
assert(device);
libinput_device_led_update(device, 0);
return wlr_keyboard_create(NULL, NULL);
}
void handle_keyboard_key(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_KEYBOARD, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a keyboard event for a device with no keyboards?");
return;
}
struct libinput_event_keyboard *kbevent =
libinput_event_get_keyboard_event(event);
struct wlr_keyboard_key *wlr_event =
calloc(1, sizeof(struct wlr_keyboard_key));
wlr_event->time_sec = libinput_event_keyboard_get_time(kbevent);
wlr_event->time_usec = libinput_event_keyboard_get_time_usec(kbevent);
wlr_event->keycode = libinput_event_keyboard_get_key(kbevent);
enum libinput_key_state state =
libinput_event_keyboard_get_key_state(kbevent);
switch (state) {
case LIBINPUT_KEY_STATE_RELEASED:
wlr_event->state = WLR_KEY_RELEASED;
break;
case LIBINPUT_KEY_STATE_PRESSED:
wlr_event->state = WLR_KEY_PRESSED;
break;
}
wl_signal_emit(&dev->keyboard->events.key, wlr_event);
}

129
backend/libinput/pointer.c Normal file
View file

@ -0,0 +1,129 @@
#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_pointer *wlr_libinput_pointer_create(
struct libinput_device *device) {
assert(device);
return wlr_pointer_create(NULL, NULL);
}
void handle_pointer_motion(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_POINTER, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a pointer event for a device with no pointers?");
return;
}
struct libinput_event_pointer *pevent =
libinput_event_get_pointer_event(event);
struct wlr_pointer_motion *wlr_event =
calloc(1, sizeof(struct wlr_pointer_motion));
wlr_event->time_sec = libinput_event_pointer_get_time(pevent);
wlr_event->time_usec = libinput_event_pointer_get_time_usec(pevent);
wlr_event->delta_x = libinput_event_pointer_get_dx(pevent);
wlr_event->delta_y = libinput_event_pointer_get_dy(pevent);
wl_signal_emit(&dev->pointer->events.motion, wlr_event);
}
void handle_pointer_motion_abs(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_POINTER, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a pointer event for a device with no pointers?");
return;
}
struct libinput_event_pointer *pevent =
libinput_event_get_pointer_event(event);
struct wlr_pointer_motion_absolute *wlr_event =
calloc(1, sizeof(struct wlr_pointer_motion_absolute));
wlr_event->time_sec = libinput_event_pointer_get_time(pevent);
wlr_event->time_usec = libinput_event_pointer_get_time_usec(pevent);
wlr_event->x_mm = libinput_event_pointer_get_absolute_x(pevent);
wlr_event->y_mm = libinput_event_pointer_get_absolute_y(pevent);
libinput_device_get_size(device, &wlr_event->width_mm, &wlr_event->height_mm);
wl_signal_emit(&dev->pointer->events.motion_absolute, wlr_event);
}
void handle_pointer_button(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_POINTER, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a pointer event for a device with no pointers?");
return;
}
struct libinput_event_pointer *pevent =
libinput_event_get_pointer_event(event);
struct wlr_pointer_button *wlr_event =
calloc(1, sizeof(struct wlr_pointer_button));
wlr_event->time_sec = libinput_event_pointer_get_time(pevent);
wlr_event->time_usec = libinput_event_pointer_get_time_usec(pevent);
wlr_event->button = libinput_event_pointer_get_button(pevent);
switch (libinput_event_pointer_get_button_state(pevent)) {
case LIBINPUT_BUTTON_STATE_PRESSED:
wlr_event->state = WLR_BUTTON_PRESSED;
break;
case LIBINPUT_BUTTON_STATE_RELEASED:
wlr_event->state = WLR_BUTTON_RELEASED;
break;
}
wl_signal_emit(&dev->pointer->events.button, wlr_event);
}
void handle_pointer_axis(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_POINTER, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a pointer event for a device with no pointers?");
return;
}
struct libinput_event_pointer *pevent =
libinput_event_get_pointer_event(event);
struct wlr_pointer_axis *wlr_event =
calloc(1, sizeof(struct wlr_pointer_axis));
wlr_event->time_sec = libinput_event_pointer_get_time(pevent);
wlr_event->time_usec = libinput_event_pointer_get_time_usec(pevent);
switch (libinput_event_pointer_get_axis_source(pevent)) {
case LIBINPUT_POINTER_AXIS_SOURCE_WHEEL:
wlr_event->source = WLR_AXIS_SOURCE_WHEEL;
break;
case LIBINPUT_POINTER_AXIS_SOURCE_FINGER:
wlr_event->source = WLR_AXIS_SOURCE_FINGER;
break;
case LIBINPUT_POINTER_AXIS_SOURCE_CONTINUOUS:
wlr_event->source = WLR_AXIS_SOURCE_CONTINUOUS;
break;
case LIBINPUT_POINTER_AXIS_SOURCE_WHEEL_TILT:
wlr_event->source = WLR_AXIS_SOURCE_WHEEL_TILT;
break;
}
enum libinput_pointer_axis axies[] = {
LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL,
LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL,
};
for (size_t i = 0; i < sizeof(axies) / sizeof(axies[0]); ++i) {
if (libinput_event_pointer_has_axis(pevent, axies[i])) {
switch (axies[i]) {
case LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL:
wlr_event->orientation = WLR_AXIS_ORIENTATION_VERTICAL;
break;
case LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL:
wlr_event->orientation = WLR_AXIS_ORIENTATION_HORIZONTAL;
break;
}
wlr_event->delta = libinput_event_pointer_get_axis_value(
pevent, axies[i]);
}
wl_signal_emit(&dev->pointer->events.axis, wlr_event);
}
}

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#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_tablet_tool *wlr_libinput_tablet_tool_create(
struct libinput_device *device) {
assert(device);
return wlr_tablet_tool_create(NULL, NULL);
}
void handle_tablet_tool_axis(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
return;
}
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_tablet_tool_axis *wlr_event =
calloc(1, sizeof(struct wlr_tablet_tool_axis));
wlr_event->time_sec = libinput_event_tablet_tool_get_time(tevent);
wlr_event->time_usec = libinput_event_tablet_tool_get_time_usec(tevent);
libinput_device_get_size(device, &wlr_event->width_mm, &wlr_event->height_mm);
if (libinput_event_tablet_tool_x_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_X;
wlr_event->x_mm = libinput_event_tablet_tool_get_x(tevent);
}
if (libinput_event_tablet_tool_y_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_Y;
wlr_event->y_mm = libinput_event_tablet_tool_get_y(tevent);
}
if (libinput_event_tablet_tool_pressure_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_PRESSURE;
wlr_event->pressure = libinput_event_tablet_tool_get_pressure(tevent);
}
if (libinput_event_tablet_tool_distance_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_DISTANCE;
wlr_event->distance = libinput_event_tablet_tool_get_distance(tevent);
}
if (libinput_event_tablet_tool_tilt_x_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_TILT_X;
wlr_event->tilt_x = libinput_event_tablet_tool_get_tilt_x(tevent);
}
if (libinput_event_tablet_tool_tilt_y_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_TILT_Y;
wlr_event->tilt_y = libinput_event_tablet_tool_get_tilt_y(tevent);
}
if (libinput_event_tablet_tool_rotation_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_ROTATION;
wlr_event->rotation = libinput_event_tablet_tool_get_rotation(tevent);
}
if (libinput_event_tablet_tool_slider_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_SLIDER;
wlr_event->slider = libinput_event_tablet_tool_get_slider_position(tevent);
}
if (libinput_event_tablet_tool_wheel_has_changed(tevent)) {
wlr_event->updated_axes |= WLR_TABLET_TOOL_AXIS_WHEEL;
wlr_event->wheel_delta = libinput_event_tablet_tool_get_wheel_delta(tevent);
}
wl_signal_emit(&dev->tablet_tool->events.axis, wlr_event);
}
void handle_tablet_tool_proximity(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
return;
}
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_tablet_tool_proximity *wlr_event =
calloc(1, sizeof(struct wlr_tablet_tool_proximity));
wlr_event->time_sec = libinput_event_tablet_tool_get_time(tevent);
wlr_event->time_usec = libinput_event_tablet_tool_get_time_usec(tevent);
switch (libinput_event_tablet_tool_get_proximity_state(tevent)) {
case LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_OUT:
wlr_event->state = WLR_TABLET_TOOL_PROXIMITY_OUT;
break;
case LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_IN:
wlr_event->state = WLR_TABLET_TOOL_PROXIMITY_IN;
handle_tablet_tool_axis(event, device);
break;
}
wl_signal_emit(&dev->tablet_tool->events.proximity, wlr_event);
}
void handle_tablet_tool_tip(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
return;
}
handle_tablet_tool_axis(event, device);
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_tablet_tool_tip *wlr_event =
calloc(1, sizeof(struct wlr_tablet_tool_tip));
wlr_event->time_sec = libinput_event_tablet_tool_get_time(tevent);
wlr_event->time_usec = libinput_event_tablet_tool_get_time_usec(tevent);
switch (libinput_event_tablet_tool_get_tip_state(tevent)) {
case LIBINPUT_TABLET_TOOL_TIP_UP:
wlr_event->state = WLR_TABLET_TOOL_TIP_UP;
break;
case LIBINPUT_TABLET_TOOL_TIP_DOWN:
wlr_event->state = WLR_TABLET_TOOL_TIP_DOWN;
break;
}
wl_signal_emit(&dev->tablet_tool->events.tip, wlr_event);
}
void handle_tablet_tool_button(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
return;
}
// Tip events contain axis information. We update this information
// before we send the proximity event
handle_tablet_tool_axis(event, device);
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_tablet_tool_button *wlr_event =
calloc(1, sizeof(struct wlr_tablet_tool_button));
wlr_event->time_sec = libinput_event_tablet_tool_get_time(tevent);
wlr_event->time_usec = libinput_event_tablet_tool_get_time_usec(tevent);
wlr_event->button = libinput_event_tablet_tool_get_button(tevent);
switch (libinput_event_tablet_tool_get_button_state(tevent)) {
case LIBINPUT_BUTTON_STATE_RELEASED:
wlr_event->state = WLR_BUTTON_RELEASED;
break;
case LIBINPUT_BUTTON_STATE_PRESSED:
wlr_event->state = WLR_BUTTON_PRESSED;
break;
}
wl_signal_emit(&dev->tablet_tool->events.button, wlr_event);
}

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#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_touch *wlr_libinput_touch_create(
struct libinput_device *device) {
assert(device);
return wlr_touch_create(NULL, NULL);
}
void handle_touch_down(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_down *wlr_event =
calloc(1, sizeof(struct wlr_touch_down));
wlr_event->time_sec = libinput_event_touch_get_time(tevent);
wlr_event->time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event->slot = libinput_event_touch_get_slot(tevent);
wlr_event->x_mm = libinput_event_touch_get_x(tevent);
wlr_event->y_mm = libinput_event_touch_get_y(tevent);
libinput_device_get_size(device, &wlr_event->width_mm, &wlr_event->height_mm);
wl_signal_emit(&dev->touch->events.down, wlr_event);
}
void handle_touch_up(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_up *wlr_event =
calloc(1, sizeof(struct wlr_touch_up));
wlr_event->time_sec = libinput_event_touch_get_time(tevent);
wlr_event->time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event->slot = libinput_event_touch_get_slot(tevent);
wl_signal_emit(&dev->touch->events.up, wlr_event);
}
void handle_touch_motion(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_motion *wlr_event =
calloc(1, sizeof(struct wlr_touch_motion));
wlr_event->time_sec = libinput_event_touch_get_time(tevent);
wlr_event->time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event->slot = libinput_event_touch_get_slot(tevent);
wlr_event->x_mm = libinput_event_touch_get_x(tevent);
wlr_event->y_mm = libinput_event_touch_get_y(tevent);
libinput_device_get_size(device, &wlr_event->width_mm, &wlr_event->height_mm);
wl_signal_emit(&dev->touch->events.motion, wlr_event);
}
void handle_touch_cancel(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_cancel *wlr_event =
calloc(1, sizeof(struct wlr_touch_cancel));
wlr_event->time_sec = libinput_event_touch_get_time(tevent);
wlr_event->time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event->slot = libinput_event_touch_get_slot(tevent);
wl_signal_emit(&dev->touch->events.cancel, wlr_event);
}

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#include <stdbool.h>
#include <stdlib.h>
#include <wlr/backend/interface.h>
#include <wlr/common/log.h>
#include "backend/multi.h"
#include "common/log.h"
struct subbackend_state {
struct wlr_backend *backend;
struct wlr_backend *container;
struct wl_listener input_add;
struct wl_listener input_remove;
struct wl_listener output_add;
struct wl_listener output_remove;
};
static bool multi_backend_init(struct wlr_backend_state *state) {
for (size_t i = 0; i < state->backends->length; ++i) {
struct subbackend_state *sub = state->backends->items[i];
if (!wlr_backend_init(sub->backend)) {
wlr_log(L_ERROR, "Failed to initialize backend %zd", i);
return false;
}
}
return true;
}
static void multi_backend_destroy(struct wlr_backend_state *state) {
for (size_t i = 0; i < state->backends->length; ++i) {
struct subbackend_state *sub = state->backends->items[i];
wlr_backend_destroy(sub->backend);
free(sub);
}
list_free(state->backends);
free(state);
}
struct wlr_backend_impl backend_impl = {
.init = multi_backend_init,
.destroy = multi_backend_destroy
};
struct wlr_backend *wlr_multi_backend_create() {
struct wlr_backend_state *state =
calloc(1, sizeof(struct wlr_backend_state));
if (!state) {
wlr_log(L_ERROR, "Backend allocation failed");
return NULL;
}
state->backends = list_create();
if (!state->backends) {
free(state);
wlr_log(L_ERROR, "Backend allocation failed");
return NULL;
}
struct wlr_backend *backend = wlr_backend_create(&backend_impl, state);
state->backend = backend;
return backend;
}
static void input_add_reemit(struct wl_listener *listener, void *data) {
struct subbackend_state *state = wl_container_of(listener,
state, input_add);
wl_signal_emit(&state->container->events.input_add, data);
}
static void input_remove_reemit(struct wl_listener *listener, void *data) {
struct subbackend_state *state = wl_container_of(listener,
state, input_remove);
wl_signal_emit(&state->container->events.input_remove, data);
}
static void output_add_reemit(struct wl_listener *listener, void *data) {
struct subbackend_state *state = wl_container_of(listener,
state, output_add);
wl_signal_emit(&state->container->events.output_add, data);
}
static void output_remove_reemit(struct wl_listener *listener, void *data) {
struct subbackend_state *state = wl_container_of(listener,
state, output_remove);
wl_signal_emit(&state->container->events.output_remove, data);
}
void wlr_multi_backend_add(struct wlr_backend *multi,
struct wlr_backend *backend) {
struct subbackend_state *sub = calloc(1, sizeof(struct subbackend_state));
sub->backend = backend;
sub->container = multi;
sub->input_add.notify = input_add_reemit;
sub->input_remove.notify = input_remove_reemit;
sub->output_add.notify = output_add_reemit;
sub->output_remove.notify = output_remove_reemit;
wl_list_init(&sub->input_add.link);
wl_list_init(&sub->input_remove.link);
wl_list_init(&sub->output_add.link);
wl_list_init(&sub->output_remove.link);
wl_signal_add(&backend->events.input_add, &sub->input_add);
wl_signal_add(&backend->events.input_remove, &sub->input_remove);
wl_signal_add(&backend->events.output_add, &sub->output_add);
wl_signal_add(&backend->events.output_remove, &sub->output_remove);
list_add(multi->state->backends, sub);
}