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Implement libinput wlr_pointer

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This commit is contained in:
Drew DeVault 2017-06-13 10:27:15 -04:00
parent 0dbfe56c89
commit a63230e59c
7 changed files with 201 additions and 11 deletions
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1
backend/CMakeLists.txt
View file

@ -17,6 +17,7 @@ add_library(wlr-backend
libinput/backend.c
libinput/events.c
libinput/keyboard.c
libinput/pointer.c
multi/backend.c
backend.c

43
backend/libinput/events.c
View file

@ -33,6 +33,22 @@ static struct wlr_input_device_impl input_device_impl = {
.destroy = wlr_libinput_device_destroy
};
static struct wlr_input_device *allocate_device(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);
return wlr_device;
}
static void handle_device_added(struct wlr_backend_state *state,
struct libinput_device *device) {
assert(state && device);
@ -49,19 +65,16 @@ static void handle_device_added(struct wlr_backend_state *state,
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_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(
WLR_INPUT_DEVICE_KEYBOARD, &input_device_impl, devstate,
name, vendor, product);
struct wlr_input_device *wlr_device = allocate_device(device, devices,
WLR_INPUT_DEVICE_KEYBOARD);
wlr_device->keyboard = wlr_libinput_keyboard_create(device);
wl_signal_emit(&state->backend->events.input_add, wlr_device);
list_add(devices, wlr_device);
}
if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_POINTER)) {
// TODO
struct wlr_input_device *wlr_device = allocate_device(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)) {
// TODO
@ -109,6 +122,18 @@ void wlr_libinput_event(struct wlr_backend_state *state,
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;
default:
wlr_log(L_DEBUG, "Unknown libinput event %d", event_type);
break;

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);
}
}

1
example/rotation.c
View file

@ -21,7 +21,6 @@
struct sample_state {
struct wl_list config;
// TODO: Move renderer into shared
struct wlr_renderer *renderer;
struct wlr_surface *cat_texture;
};

13
include/backend/libinput.h
View file

@ -30,9 +30,20 @@ struct wlr_input_device *get_appropriate_device(
enum wlr_input_device_type desired_type,
struct libinput_device *device);
struct wlr_keyboard *wlr_libinput_keyboard_create(
struct libinput_device *device);
void handle_keyboard_key(struct libinput_event *event,
struct libinput_device *device);
struct wlr_keyboard *wlr_libinput_keyboard_create(
struct wlr_pointer *wlr_libinput_pointer_create(
struct libinput_device *device);
void handle_pointer_motion(struct libinput_event *event,
struct libinput_device *device);
void handle_pointer_motion_abs(struct libinput_event *event,
struct libinput_device *device);
void handle_pointer_button(struct libinput_event *event,
struct libinput_device *device);
void handle_pointer_axis(struct libinput_event *event,
struct libinput_device *device);
#endif

1
types/CMakeLists.txt
View file

@ -6,6 +6,7 @@ include_directories(
add_library(wlr-types
wlr_output.c
wlr_keyboard.c
wlr_pointer.c
wlr_input_device.c
)

24
types/wlr_pointer.c Normal file
View file

@ -0,0 +1,24 @@
#include <stdlib.h>
#include <string.h>
#include <wayland-server.h>
#include <wlr/types.h>
#include <wlr/common/list.h>
#include "types.h"
struct wlr_pointer *wlr_pointer_create(struct wlr_pointer_impl *impl,
struct wlr_pointer_state *state) {
struct wlr_pointer *pointer = calloc(1, sizeof(struct wlr_pointer));
pointer->impl = impl;
pointer->state = state;
wl_signal_init(&pointer->events.motion);
wl_signal_init(&pointer->events.motion_absolute);
wl_signal_init(&pointer->events.button);
wl_signal_init(&pointer->events.axis);
return pointer;
}
void wlr_pointer_destroy(struct wlr_pointer *kb) {
if (!kb) return;
kb->impl->destroy(kb->state);
free(kb);
}