2018-04-23 08:55:49 +02:00
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#ifndef _POSIX_C_SOURCE
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#define _POSIX_C_SOURCE 200809L
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#endif
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#include <string.h>
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2017-06-15 20:32:28 +02:00
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#include <assert.h>
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#include <libinput.h>
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2018-02-12 21:29:23 +01:00
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#include <stdlib.h>
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2018-04-17 19:09:42 +02:00
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#include <wayland-util.h>
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2017-07-11 09:18:34 +02:00
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#include <wlr/backend/session.h>
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2017-06-21 16:27:45 +02:00
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#include <wlr/interfaces/wlr_tablet_tool.h>
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2018-02-12 21:29:23 +01:00
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#include <wlr/types/wlr_input_device.h>
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2017-06-21 18:10:07 +02:00
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#include <wlr/util/log.h>
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2017-06-15 20:32:28 +02:00
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#include "backend/libinput.h"
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2018-02-12 21:29:23 +01:00
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#include "util/signal.h"
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2017-06-15 20:32:28 +02:00
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2018-06-16 11:19:48 +02:00
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static struct wlr_tablet_impl tablet_impl;
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2018-05-19 14:35:02 +02:00
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2018-06-16 11:19:48 +02:00
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static bool tablet_is_libinput(struct wlr_tablet *tablet) {
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return tablet->impl == &tablet_impl;
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2018-05-19 14:35:02 +02:00
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}
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2018-04-17 19:09:42 +02:00
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struct wlr_libinput_tablet_tool {
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2018-06-16 11:19:48 +02:00
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struct wlr_tablet_tool wlr_tool;
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2018-04-17 19:09:42 +02:00
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struct libinput_tablet_tool *libinput_tool;
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bool unique;
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// Refcount for destroy + release
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size_t pad_refs;
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};
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// TODO: Maybe this should be a wlr_list? Do we keep it, or want to get rid of
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// it?
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struct tablet_tool_list_elem {
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struct wl_list link;
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struct wlr_libinput_tablet_tool *tool;
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};
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struct wlr_libinput_tablet {
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2018-06-16 11:19:48 +02:00
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struct wlr_tablet wlr_tablet;
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2018-04-17 19:09:42 +02:00
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struct wl_list tools; // tablet_tool_list_elem::link
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};
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static void destroy_tool_tool(struct wlr_libinput_tablet_tool *tool) {
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wlr_signal_emit_safe(&tool->wlr_tool.events.destroy, &tool->wlr_tool);
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libinput_tablet_tool_ref(tool->libinput_tool);
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libinput_tablet_tool_set_user_data(tool->libinput_tool, NULL);
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free(tool);
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}
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2018-06-16 11:19:48 +02:00
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static void destroy_tablet(struct wlr_tablet *wlr_tablet) {
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assert(tablet_is_libinput(wlr_tablet));
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2018-04-17 19:09:42 +02:00
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struct wlr_libinput_tablet *tablet =
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2018-06-16 11:19:48 +02:00
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wl_container_of(wlr_tablet, tablet, wlr_tablet);
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2018-04-17 19:09:42 +02:00
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struct tablet_tool_list_elem *pos;
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struct tablet_tool_list_elem *tmp;
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wl_list_for_each_safe(pos, tmp, &tablet->tools, link) {
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struct wlr_libinput_tablet_tool *tool = pos->tool;
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2018-04-24 08:10:45 +02:00
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wl_list_remove(&pos->link);
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free(pos);
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2018-04-17 19:09:42 +02:00
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if (--tool->pad_refs == 0) {
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destroy_tool_tool(tool);
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}
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}
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2018-05-15 15:49:55 +02:00
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free(tablet);
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2018-04-17 19:09:42 +02:00
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}
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2018-06-16 11:19:48 +02:00
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static struct wlr_tablet_impl tablet_impl = {
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.destroy = destroy_tablet,
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2018-05-15 15:49:55 +02:00
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};
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2018-06-16 11:19:48 +02:00
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struct wlr_tablet *create_libinput_tablet(
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2017-08-13 00:50:09 +02:00
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struct libinput_device *libinput_dev) {
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assert(libinput_dev);
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2018-06-16 11:19:48 +02:00
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struct wlr_libinput_tablet *libinput_tablet =
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2018-04-24 08:10:45 +02:00
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calloc(1, sizeof(struct wlr_libinput_tablet));
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2018-06-16 11:19:48 +02:00
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if (!libinput_tablet) {
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2018-07-09 23:49:54 +02:00
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wlr_log(WLR_ERROR, "Unable to allocate wlr_tablet_tool");
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2017-08-14 16:03:05 +02:00
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return NULL;
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}
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2018-06-16 11:19:48 +02:00
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struct wlr_tablet *wlr_tablet = &libinput_tablet->wlr_tablet;
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2018-04-23 08:55:49 +02:00
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2018-06-16 11:19:48 +02:00
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wlr_list_init(&wlr_tablet->paths);
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2018-04-23 08:55:49 +02:00
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struct udev_device *udev = libinput_device_get_udev_device(libinput_dev);
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2018-06-16 11:19:48 +02:00
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wlr_list_push(&wlr_tablet->paths, strdup(udev_device_get_syspath(udev)));
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wlr_tablet->name = strdup(libinput_device_get_name(libinput_dev));
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wl_list_init(&libinput_tablet->tools);
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2018-04-23 08:55:49 +02:00
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2018-06-16 11:19:48 +02:00
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wlr_tablet_init(wlr_tablet, &tablet_impl);
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return wlr_tablet;
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2017-06-15 20:32:28 +02:00
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}
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2018-04-17 19:09:42 +02:00
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static enum wlr_tablet_tool_type wlr_type_from_libinput_type(
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enum libinput_tablet_tool_type value) {
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switch (value) {
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case LIBINPUT_TABLET_TOOL_TYPE_PEN:
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return WLR_TABLET_TOOL_TYPE_PEN;
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case LIBINPUT_TABLET_TOOL_TYPE_ERASER:
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return WLR_TABLET_TOOL_TYPE_ERASER;
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case LIBINPUT_TABLET_TOOL_TYPE_BRUSH:
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return WLR_TABLET_TOOL_TYPE_BRUSH;
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case LIBINPUT_TABLET_TOOL_TYPE_PENCIL:
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return WLR_TABLET_TOOL_TYPE_PENCIL;
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case LIBINPUT_TABLET_TOOL_TYPE_AIRBRUSH:
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return WLR_TABLET_TOOL_TYPE_AIRBRUSH;
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case LIBINPUT_TABLET_TOOL_TYPE_MOUSE:
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return WLR_TABLET_TOOL_TYPE_MOUSE;
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case LIBINPUT_TABLET_TOOL_TYPE_LENS:
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return WLR_TABLET_TOOL_TYPE_LENS;
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}
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assert(false && "UNREACHABLE");
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}
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static struct wlr_libinput_tablet_tool *get_wlr_tablet_tool(
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struct libinput_tablet_tool *tool) {
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struct wlr_libinput_tablet_tool *ret =
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libinput_tablet_tool_get_user_data(tool);
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if (ret) {
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return ret;
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}
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ret = calloc(1, sizeof(struct wlr_libinput_tablet_tool));
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if (!ret) {
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return NULL;
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}
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ret->libinput_tool = libinput_tablet_tool_ref(tool);
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ret->wlr_tool.pressure = libinput_tablet_tool_has_pressure(tool);
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ret->wlr_tool.distance = libinput_tablet_tool_has_distance(tool);
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ret->wlr_tool.tilt = libinput_tablet_tool_has_tilt(tool);
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ret->wlr_tool.rotation = libinput_tablet_tool_has_rotation(tool);
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ret->wlr_tool.slider = libinput_tablet_tool_has_slider(tool);
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ret->wlr_tool.wheel = libinput_tablet_tool_has_wheel(tool);
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ret->wlr_tool.hardware_serial = libinput_tablet_tool_get_serial(tool);
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ret->wlr_tool.hardware_wacom = libinput_tablet_tool_get_tool_id(tool);
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ret->wlr_tool.type = wlr_type_from_libinput_type(
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libinput_tablet_tool_get_type(tool));
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ret->unique = libinput_tablet_tool_is_unique(tool);
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wl_signal_init(&ret->wlr_tool.events.destroy);
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libinput_tablet_tool_set_user_data(tool, ret);
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return ret;
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}
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static void ensure_tool_reference(struct wlr_libinput_tablet_tool *tool,
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2018-06-16 11:19:48 +02:00
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struct wlr_tablet *wlr_dev) {
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assert(tablet_is_libinput(wlr_dev));
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struct wlr_libinput_tablet *tablet = wl_container_of(wlr_dev, tablet, wlr_tablet);
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2018-04-17 19:09:42 +02:00
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2018-06-16 11:19:48 +02:00
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struct tablet_tool_list_elem *pos;
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2018-04-17 19:09:42 +02:00
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wl_list_for_each(pos, &tablet->tools, link) {
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if (pos->tool == tool) { // We already have a ref
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// XXX: We *could* optimize the tool to the front of
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// the list here, since we will probably get the next
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// couple of events from the same tool.
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// BUT the list should always be rather short (probably
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// single digit amount of tools) so it might be more
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// work than it saves
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return;
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}
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}
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struct tablet_tool_list_elem *new =
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calloc(1, sizeof(struct tablet_tool_list_elem));
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2018-06-16 11:19:48 +02:00
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if (!new) {
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wlr_log(WLR_ERROR, "Failed to allocate memory for tracking tablet tool");
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2018-04-17 19:09:42 +02:00
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return;
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}
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new->tool = tool;
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wl_list_insert(&tablet->tools, &new->link);
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++tool->pad_refs;
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}
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2017-06-15 20:32:28 +02:00
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void handle_tablet_tool_axis(struct libinput_event *event,
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2017-08-13 00:50:09 +02:00
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struct libinput_device *libinput_dev) {
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struct wlr_input_device *wlr_dev =
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get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, libinput_dev);
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if (!wlr_dev) {
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2018-07-09 23:49:54 +02:00
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wlr_log(WLR_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
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2017-06-15 20:32:28 +02:00
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return;
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}
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struct libinput_event_tablet_tool *tevent =
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libinput_event_get_tablet_tool_event(event);
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2017-08-11 18:38:27 +02:00
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struct wlr_event_tablet_tool_axis wlr_event = { 0 };
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2018-04-17 19:09:42 +02:00
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struct wlr_libinput_tablet_tool *tool = get_wlr_tablet_tool(
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libinput_event_tablet_tool_get_tool(tevent));
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2018-06-16 11:19:48 +02:00
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ensure_tool_reference(tool, wlr_dev->tablet);
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2018-04-17 19:09:42 +02:00
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2017-08-28 14:42:39 +02:00
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wlr_event.device = wlr_dev;
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2018-04-17 19:09:42 +02:00
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wlr_event.tool = &tool->wlr_tool;
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2017-10-30 20:43:06 +01:00
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wlr_event.time_msec =
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usec_to_msec(libinput_event_tablet_tool_get_time_usec(tevent));
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2017-06-15 20:32:28 +02:00
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if (libinput_event_tablet_tool_x_has_changed(tevent)) {
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2017-08-11 18:38:27 +02:00
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wlr_event.updated_axes |= WLR_TABLET_TOOL_AXIS_X;
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2018-03-28 17:40:35 +02:00
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wlr_event.x = libinput_event_tablet_tool_get_x_transformed(tevent, 1);
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2018-05-25 10:04:25 +02:00
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wlr_event.dx = libinput_event_tablet_tool_get_dx(tevent);
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2017-06-15 20:32:28 +02:00
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}
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if (libinput_event_tablet_tool_y_has_changed(tevent)) {
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2017-08-11 18:38:27 +02:00
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wlr_event.updated_axes |= WLR_TABLET_TOOL_AXIS_Y;
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2018-03-28 17:40:35 +02:00
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wlr_event.y = libinput_event_tablet_tool_get_y_transformed(tevent, 1);
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2018-05-25 10:04:25 +02:00
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wlr_event.dy = libinput_event_tablet_tool_get_dy(tevent);
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2017-06-15 20:32:28 +02:00
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}
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if (libinput_event_tablet_tool_pressure_has_changed(tevent)) {
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2017-08-11 18:38:27 +02:00
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wlr_event.updated_axes |= WLR_TABLET_TOOL_AXIS_PRESSURE;
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wlr_event.pressure = libinput_event_tablet_tool_get_pressure(tevent);
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2017-06-15 20:32:28 +02:00
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}
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if (libinput_event_tablet_tool_distance_has_changed(tevent)) {
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2017-08-11 18:38:27 +02:00
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wlr_event.updated_axes |= WLR_TABLET_TOOL_AXIS_DISTANCE;
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wlr_event.distance = libinput_event_tablet_tool_get_distance(tevent);
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2017-06-15 20:32:28 +02:00
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}
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if (libinput_event_tablet_tool_tilt_x_has_changed(tevent)) {
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2017-08-11 18:38:27 +02:00
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wlr_event.updated_axes |= WLR_TABLET_TOOL_AXIS_TILT_X;
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wlr_event.tilt_x = libinput_event_tablet_tool_get_tilt_x(tevent);
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2017-06-15 20:32:28 +02:00
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}
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if (libinput_event_tablet_tool_tilt_y_has_changed(tevent)) {
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2017-08-11 18:38:27 +02:00
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wlr_event.updated_axes |= WLR_TABLET_TOOL_AXIS_TILT_Y;
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wlr_event.tilt_y = libinput_event_tablet_tool_get_tilt_y(tevent);
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2017-06-15 20:32:28 +02:00
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}
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if (libinput_event_tablet_tool_rotation_has_changed(tevent)) {
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2017-08-11 18:38:27 +02:00
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wlr_event.updated_axes |= WLR_TABLET_TOOL_AXIS_ROTATION;
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wlr_event.rotation = libinput_event_tablet_tool_get_rotation(tevent);
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2017-06-15 20:32:28 +02:00
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}
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if (libinput_event_tablet_tool_slider_has_changed(tevent)) {
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2017-08-11 18:38:27 +02:00
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wlr_event.updated_axes |= WLR_TABLET_TOOL_AXIS_SLIDER;
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wlr_event.slider = libinput_event_tablet_tool_get_slider_position(tevent);
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2017-06-15 20:32:28 +02:00
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}
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if (libinput_event_tablet_tool_wheel_has_changed(tevent)) {
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2017-08-11 18:38:27 +02:00
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wlr_event.updated_axes |= WLR_TABLET_TOOL_AXIS_WHEEL;
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wlr_event.wheel_delta = libinput_event_tablet_tool_get_wheel_delta(tevent);
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2017-06-15 20:32:28 +02:00
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}
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2018-06-16 11:19:48 +02:00
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wlr_signal_emit_safe(&wlr_dev->tablet->events.axis, &wlr_event);
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2017-06-15 20:32:28 +02:00
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}
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void handle_tablet_tool_proximity(struct libinput_event *event,
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2017-08-13 00:50:09 +02:00
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struct libinput_device *libinput_dev) {
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struct wlr_input_device *wlr_dev =
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get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, libinput_dev);
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if (!wlr_dev) {
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2018-07-09 23:49:54 +02:00
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wlr_log(WLR_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
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2017-06-15 20:32:28 +02:00
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return;
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}
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struct libinput_event_tablet_tool *tevent =
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libinput_event_get_tablet_tool_event(event);
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2017-08-11 18:38:27 +02:00
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struct wlr_event_tablet_tool_proximity wlr_event = { 0 };
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2018-04-17 19:09:42 +02:00
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struct wlr_libinput_tablet_tool *tool = get_wlr_tablet_tool(
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libinput_event_tablet_tool_get_tool(tevent));
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2018-06-16 11:19:48 +02:00
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ensure_tool_reference(tool, wlr_dev->tablet);
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2018-04-17 19:09:42 +02:00
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wlr_event.tool = &tool->wlr_tool;
|
2017-08-28 14:42:39 +02:00
|
|
|
wlr_event.device = wlr_dev;
|
2017-10-30 20:43:06 +01:00
|
|
|
wlr_event.time_msec =
|
|
|
|
usec_to_msec(libinput_event_tablet_tool_get_time_usec(tevent));
|
2017-06-15 20:32:28 +02:00
|
|
|
switch (libinput_event_tablet_tool_get_proximity_state(tevent)) {
|
|
|
|
case LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_OUT:
|
2017-08-11 18:38:27 +02:00
|
|
|
wlr_event.state = WLR_TABLET_TOOL_PROXIMITY_OUT;
|
2017-06-15 20:32:28 +02:00
|
|
|
break;
|
|
|
|
case LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_IN:
|
2017-08-11 18:38:27 +02:00
|
|
|
wlr_event.state = WLR_TABLET_TOOL_PROXIMITY_IN;
|
2017-06-15 20:32:28 +02:00
|
|
|
break;
|
|
|
|
}
|
2018-06-16 11:19:48 +02:00
|
|
|
wlr_signal_emit_safe(&wlr_dev->tablet->events.proximity, &wlr_event);
|
2018-04-17 19:09:42 +02:00
|
|
|
|
2018-05-04 11:46:32 +02:00
|
|
|
if (libinput_event_tablet_tool_get_proximity_state(tevent) == LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_IN) {
|
|
|
|
handle_tablet_tool_axis(event, libinput_dev);
|
|
|
|
}
|
|
|
|
|
2018-04-17 19:09:42 +02:00
|
|
|
// If the tool is not unique, libinput will not find it again after the
|
|
|
|
// proximity out, so we should destroy it
|
2018-05-02 09:26:34 +02:00
|
|
|
if (!tool->unique &&
|
|
|
|
libinput_event_tablet_tool_get_proximity_state(tevent) == LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_OUT) {
|
2018-04-17 19:09:42 +02:00
|
|
|
// The tool isn't unique, it can't be on multiple tablets
|
|
|
|
assert(tool->pad_refs == 1);
|
2018-06-16 11:19:48 +02:00
|
|
|
assert(tablet_is_libinput(wlr_dev->tablet));
|
2018-04-17 19:09:42 +02:00
|
|
|
struct wlr_libinput_tablet *tablet =
|
2018-06-16 11:19:48 +02:00
|
|
|
wl_container_of(wlr_dev->tablet, tablet, wlr_tablet);
|
2018-04-17 19:09:42 +02:00
|
|
|
struct tablet_tool_list_elem *pos;
|
|
|
|
struct tablet_tool_list_elem *tmp;
|
|
|
|
|
|
|
|
wl_list_for_each_safe(pos, tmp, &tablet->tools, link) {
|
|
|
|
if (pos->tool == tool) {
|
|
|
|
wl_list_remove(&pos->link);
|
|
|
|
free(pos);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
destroy_tool_tool(tool);
|
|
|
|
}
|
2017-06-15 20:32:28 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
void handle_tablet_tool_tip(struct libinput_event *event,
|
2017-08-13 00:50:09 +02:00
|
|
|
struct libinput_device *libinput_dev) {
|
|
|
|
struct wlr_input_device *wlr_dev =
|
|
|
|
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, libinput_dev);
|
|
|
|
if (!wlr_dev) {
|
2018-07-09 23:49:54 +02:00
|
|
|
wlr_log(WLR_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
|
2017-06-15 20:32:28 +02:00
|
|
|
return;
|
|
|
|
}
|
2017-08-13 00:50:09 +02:00
|
|
|
handle_tablet_tool_axis(event, libinput_dev);
|
2017-06-15 20:32:28 +02:00
|
|
|
struct libinput_event_tablet_tool *tevent =
|
|
|
|
libinput_event_get_tablet_tool_event(event);
|
2017-08-11 18:38:27 +02:00
|
|
|
struct wlr_event_tablet_tool_tip wlr_event = { 0 };
|
2018-04-17 19:09:42 +02:00
|
|
|
struct wlr_libinput_tablet_tool *tool = get_wlr_tablet_tool(
|
|
|
|
libinput_event_tablet_tool_get_tool(tevent));
|
2018-06-16 11:19:48 +02:00
|
|
|
ensure_tool_reference(tool, wlr_dev->tablet);
|
2018-04-17 19:09:42 +02:00
|
|
|
|
2017-08-28 14:42:39 +02:00
|
|
|
wlr_event.device = wlr_dev;
|
2018-04-17 19:09:42 +02:00
|
|
|
wlr_event.tool = &tool->wlr_tool;
|
2017-10-30 20:43:06 +01:00
|
|
|
wlr_event.time_msec =
|
|
|
|
usec_to_msec(libinput_event_tablet_tool_get_time_usec(tevent));
|
2017-06-15 20:32:28 +02:00
|
|
|
switch (libinput_event_tablet_tool_get_tip_state(tevent)) {
|
|
|
|
case LIBINPUT_TABLET_TOOL_TIP_UP:
|
2017-08-11 18:38:27 +02:00
|
|
|
wlr_event.state = WLR_TABLET_TOOL_TIP_UP;
|
2017-06-15 20:32:28 +02:00
|
|
|
break;
|
|
|
|
case LIBINPUT_TABLET_TOOL_TIP_DOWN:
|
2017-08-11 18:38:27 +02:00
|
|
|
wlr_event.state = WLR_TABLET_TOOL_TIP_DOWN;
|
2017-06-15 20:32:28 +02:00
|
|
|
break;
|
|
|
|
}
|
2018-06-16 11:19:48 +02:00
|
|
|
wlr_signal_emit_safe(&wlr_dev->tablet->events.tip, &wlr_event);
|
2017-06-15 20:32:28 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
void handle_tablet_tool_button(struct libinput_event *event,
|
2017-08-13 00:50:09 +02:00
|
|
|
struct libinput_device *libinput_dev) {
|
|
|
|
struct wlr_input_device *wlr_dev =
|
|
|
|
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, libinput_dev);
|
|
|
|
if (!wlr_dev) {
|
2018-07-09 23:49:54 +02:00
|
|
|
wlr_log(WLR_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
|
2017-06-15 20:32:28 +02:00
|
|
|
return;
|
|
|
|
}
|
2017-08-13 00:50:09 +02:00
|
|
|
handle_tablet_tool_axis(event, libinput_dev);
|
2017-06-15 20:32:28 +02:00
|
|
|
struct libinput_event_tablet_tool *tevent =
|
|
|
|
libinput_event_get_tablet_tool_event(event);
|
2017-08-11 18:38:27 +02:00
|
|
|
struct wlr_event_tablet_tool_button wlr_event = { 0 };
|
2018-04-17 19:09:42 +02:00
|
|
|
struct wlr_libinput_tablet_tool *tool = get_wlr_tablet_tool(
|
|
|
|
libinput_event_tablet_tool_get_tool(tevent));
|
2018-06-16 11:19:48 +02:00
|
|
|
ensure_tool_reference(tool, wlr_dev->tablet);
|
2018-04-17 19:09:42 +02:00
|
|
|
|
2017-08-28 14:42:39 +02:00
|
|
|
wlr_event.device = wlr_dev;
|
2018-04-17 19:09:42 +02:00
|
|
|
wlr_event.tool = &tool->wlr_tool;
|
2017-10-30 20:43:06 +01:00
|
|
|
wlr_event.time_msec =
|
|
|
|
usec_to_msec(libinput_event_tablet_tool_get_time_usec(tevent));
|
2017-08-11 18:38:27 +02:00
|
|
|
wlr_event.button = libinput_event_tablet_tool_get_button(tevent);
|
2017-06-15 20:32:28 +02:00
|
|
|
switch (libinput_event_tablet_tool_get_button_state(tevent)) {
|
|
|
|
case LIBINPUT_BUTTON_STATE_RELEASED:
|
2017-08-11 18:38:27 +02:00
|
|
|
wlr_event.state = WLR_BUTTON_RELEASED;
|
2017-06-15 20:32:28 +02:00
|
|
|
break;
|
|
|
|
case LIBINPUT_BUTTON_STATE_PRESSED:
|
2017-08-11 18:38:27 +02:00
|
|
|
wlr_event.state = WLR_BUTTON_PRESSED;
|
2017-06-15 20:32:28 +02:00
|
|
|
break;
|
|
|
|
}
|
2018-06-16 11:19:48 +02:00
|
|
|
wlr_signal_emit_safe(&wlr_dev->tablet->events.button, &wlr_event);
|
2017-06-15 20:32:28 +02:00
|
|
|
}
|