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#include <stdlib.h>
#include <assert.h>
#include <libinput.h>
#include <wlr/backend/session.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/interfaces/wlr_tablet_tool.h>
#include <wlr/util/log.h>
#include "backend/libinput.h"
struct wlr_tablet_tool *wlr_libinput_tablet_tool_create(
struct libinput_device *libinput_dev) {
assert(libinput_dev);
struct wlr_tablet_tool *wlr_tablet_tool = calloc(1, sizeof(struct wlr_tablet_tool));
if (!wlr_tablet_tool) {
wlr_log(L_ERROR, "Unable to allocate wlr_tablet_tool");
return NULL;
}
wlr_tablet_tool_init(wlr_tablet_tool, NULL);
return wlr_tablet_tool;
}
void handle_tablet_tool_axis(struct libinput_event *event,
struct libinput_device *libinput_dev) {
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, libinput_dev);
if (!wlr_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_event_tablet_tool_axis wlr_event = { 0 };
wlr_event.device = wlr_dev;
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(libinput_dev, &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(&wlr_dev->tablet_tool->events.axis, &wlr_event);
}
void handle_tablet_tool_proximity(struct libinput_event *event,
struct libinput_device *libinput_dev) {
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, libinput_dev);
if (!wlr_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_event_tablet_tool_proximity wlr_event = { 0 };
wlr_event.device = wlr_dev;
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, libinput_dev);
break;
}
wl_signal_emit(&wlr_dev->tablet_tool->events.proximity, &wlr_event);
}
void handle_tablet_tool_tip(struct libinput_event *event,
struct libinput_device *libinput_dev) {
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, libinput_dev);
if (!wlr_dev) {
wlr_log(L_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
return;
}
handle_tablet_tool_axis(event, libinput_dev);
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_event_tablet_tool_tip wlr_event = { 0 };
wlr_event.device = wlr_dev;
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(&wlr_dev->tablet_tool->events.tip, &wlr_event);
}
void handle_tablet_tool_button(struct libinput_event *event,
struct libinput_device *libinput_dev) {
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, libinput_dev);
if (!wlr_dev) {
wlr_log(L_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
return;
}
handle_tablet_tool_axis(event, libinput_dev);
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_event_tablet_tool_button wlr_event = { 0 };
wlr_event.device = wlr_dev;
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(&wlr_dev->tablet_tool->events.button, &wlr_event);
}
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