wlroots/backend/libinput/pointer.c

130 lines
4.6 KiB
C

#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);
}
}