mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-12-23 10:29:49 +01:00
39af3535c3
This commit doesn't fix any issue that I'm aware of, since sway incidentally does not use these fields. Still, they exist, so they should probably be filled in to prevent fun surprises in the future.
381 lines
13 KiB
C
381 lines
13 KiB
C
#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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#include <assert.h>
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#include <libinput.h>
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#include <stdlib.h>
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#include <wayland-util.h>
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#include <wlr/backend/session.h>
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#include <wlr/interfaces/wlr_tablet_tool.h>
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#include <wlr/types/wlr_input_device.h>
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#include <wlr/util/log.h>
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#include "backend/libinput.h"
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#include "util/signal.h"
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static struct wlr_tablet_impl tablet_impl;
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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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}
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struct wlr_libinput_tablet_tool {
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struct wlr_tablet_tool wlr_tool;
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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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struct wlr_tablet wlr_tablet;
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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(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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static void destroy_tablet(struct wlr_tablet *wlr_tablet) {
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assert(tablet_is_libinput(wlr_tablet));
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struct wlr_libinput_tablet *tablet =
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wl_container_of(wlr_tablet, tablet, wlr_tablet);
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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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wl_list_remove(&pos->link);
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free(pos);
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if (--tool->pad_refs == 0) {
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destroy_tool(tool);
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}
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}
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free(tablet);
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}
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static struct wlr_tablet_impl tablet_impl = {
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.destroy = destroy_tablet,
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};
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struct wlr_tablet *create_libinput_tablet(
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struct libinput_device *libinput_dev) {
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assert(libinput_dev);
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struct wlr_libinput_tablet *libinput_tablet =
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calloc(1, sizeof(struct wlr_libinput_tablet));
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if (!libinput_tablet) {
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wlr_log(WLR_ERROR, "Unable to allocate wlr_tablet_tool");
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return NULL;
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}
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struct wlr_tablet *wlr_tablet = &libinput_tablet->wlr_tablet;
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wlr_list_init(&wlr_tablet->paths);
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struct udev_device *udev = libinput_device_get_udev_device(libinput_dev);
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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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wlr_tablet_init(wlr_tablet, &tablet_impl);
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return wlr_tablet;
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}
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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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#if LIBINPUT_MINOR >= 14
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case LIBINPUT_TABLET_TOOL_TYPE_TOTEM:
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return WLR_TABLET_TOOL_TYPE_TOTEM;
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#endif
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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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struct wlr_tablet *wlr_dev) {
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assert(tablet_is_libinput(wlr_dev));
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struct wlr_libinput_tablet *tablet =
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wl_container_of(wlr_dev, tablet, wlr_tablet);
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struct tablet_tool_list_elem *pos;
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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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if (!new) {
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wlr_log(WLR_ERROR, "Failed to allocate memory for tracking tablet tool");
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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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void handle_tablet_tool_axis(struct libinput_event *event,
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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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wlr_log(WLR_DEBUG,
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"Got a tablet tool event for a device with no tablet tools?");
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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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struct wlr_event_tablet_tool_axis wlr_event = { 0 };
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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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ensure_tool_reference(tool, wlr_dev->tablet);
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wlr_event.device = wlr_dev;
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wlr_event.tool = &tool->wlr_tool;
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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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if (libinput_event_tablet_tool_x_has_changed(tevent)) {
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wlr_event.updated_axes |= WLR_TABLET_TOOL_AXIS_X;
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wlr_event.x = libinput_event_tablet_tool_get_x_transformed(tevent, 1);
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wlr_event.dx = libinput_event_tablet_tool_get_dx(tevent);
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}
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if (libinput_event_tablet_tool_y_has_changed(tevent)) {
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wlr_event.updated_axes |= WLR_TABLET_TOOL_AXIS_Y;
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wlr_event.y = libinput_event_tablet_tool_get_y_transformed(tevent, 1);
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wlr_event.dy = libinput_event_tablet_tool_get_dy(tevent);
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}
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if (libinput_event_tablet_tool_pressure_has_changed(tevent)) {
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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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}
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if (libinput_event_tablet_tool_distance_has_changed(tevent)) {
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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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}
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if (libinput_event_tablet_tool_tilt_x_has_changed(tevent)) {
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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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}
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if (libinput_event_tablet_tool_tilt_y_has_changed(tevent)) {
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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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}
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if (libinput_event_tablet_tool_rotation_has_changed(tevent)) {
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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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}
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if (libinput_event_tablet_tool_slider_has_changed(tevent)) {
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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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}
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if (libinput_event_tablet_tool_wheel_has_changed(tevent)) {
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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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}
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wlr_signal_emit_safe(&wlr_dev->tablet->events.axis, &wlr_event);
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}
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void handle_tablet_tool_proximity(struct libinput_event *event,
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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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wlr_log(WLR_DEBUG,
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"Got a tablet tool event for a device with no tablet tools?");
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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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struct wlr_event_tablet_tool_proximity wlr_event = { 0 };
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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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ensure_tool_reference(tool, wlr_dev->tablet);
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wlr_event.tool = &tool->wlr_tool;
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wlr_event.device = wlr_dev;
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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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wlr_event.x = libinput_event_tablet_tool_get_x_transformed(tevent, 1);
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wlr_event.y = libinput_event_tablet_tool_get_y_transformed(tevent, 1);
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switch (libinput_event_tablet_tool_get_proximity_state(tevent)) {
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case LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_OUT:
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wlr_event.state = WLR_TABLET_TOOL_PROXIMITY_OUT;
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break;
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case LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_IN:
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wlr_event.state = WLR_TABLET_TOOL_PROXIMITY_IN;
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break;
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}
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wlr_signal_emit_safe(&wlr_dev->tablet->events.proximity, &wlr_event);
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if (libinput_event_tablet_tool_get_proximity_state(tevent) ==
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LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_IN) {
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handle_tablet_tool_axis(event, libinput_dev);
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}
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// If the tool is not unique, libinput will not find it again after the
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// proximity out, so we should destroy it
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if (!tool->unique &&
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libinput_event_tablet_tool_get_proximity_state(tevent) ==
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LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_OUT) {
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// The tool isn't unique, it can't be on multiple tablets
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assert(tool->pad_refs == 1);
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assert(tablet_is_libinput(wlr_dev->tablet));
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struct wlr_libinput_tablet *tablet =
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wl_container_of(wlr_dev->tablet, tablet, wlr_tablet);
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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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if (pos->tool == tool) {
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wl_list_remove(&pos->link);
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free(pos);
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break;
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}
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}
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destroy_tool(tool);
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}
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}
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void handle_tablet_tool_tip(struct libinput_event *event,
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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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wlr_log(WLR_DEBUG,
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"Got a tablet tool event for a device with no tablet tools?");
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return;
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}
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handle_tablet_tool_axis(event, libinput_dev);
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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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struct wlr_event_tablet_tool_tip wlr_event = { 0 };
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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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ensure_tool_reference(tool, wlr_dev->tablet);
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wlr_event.device = wlr_dev;
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wlr_event.tool = &tool->wlr_tool;
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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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wlr_event.x = libinput_event_tablet_tool_get_x_transformed(tevent, 1);
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wlr_event.y = libinput_event_tablet_tool_get_y_transformed(tevent, 1);
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switch (libinput_event_tablet_tool_get_tip_state(tevent)) {
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case LIBINPUT_TABLET_TOOL_TIP_UP:
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wlr_event.state = WLR_TABLET_TOOL_TIP_UP;
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break;
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case LIBINPUT_TABLET_TOOL_TIP_DOWN:
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wlr_event.state = WLR_TABLET_TOOL_TIP_DOWN;
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break;
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}
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wlr_signal_emit_safe(&wlr_dev->tablet->events.tip, &wlr_event);
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}
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void handle_tablet_tool_button(struct libinput_event *event,
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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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wlr_log(WLR_DEBUG,
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"Got a tablet tool event for a device with no tablet tools?");
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return;
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}
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handle_tablet_tool_axis(event, libinput_dev);
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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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struct wlr_event_tablet_tool_button wlr_event = { 0 };
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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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ensure_tool_reference(tool, wlr_dev->tablet);
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wlr_event.device = wlr_dev;
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wlr_event.tool = &tool->wlr_tool;
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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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wlr_event.button = libinput_event_tablet_tool_get_button(tevent);
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switch (libinput_event_tablet_tool_get_button_state(tevent)) {
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case LIBINPUT_BUTTON_STATE_RELEASED:
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wlr_event.state = WLR_BUTTON_RELEASED;
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break;
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case LIBINPUT_BUTTON_STATE_PRESSED:
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wlr_event.state = WLR_BUTTON_PRESSED;
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break;
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}
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wlr_signal_emit_safe(&wlr_dev->tablet->events.button, &wlr_event);
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}
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