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-rw-r--r--backend/libinput/events.c3
-rw-r--r--backend/libinput/tablet_tool.c179
2 files changed, 181 insertions, 1 deletions
diff --git a/backend/libinput/events.c b/backend/libinput/events.c
index 93664af2..d15de6bb 100644
--- a/backend/libinput/events.c
+++ b/backend/libinput/events.c
@@ -186,6 +186,9 @@ static void handle_device_removed(struct wlr_libinput_backend *backend,
}
struct wlr_input_device *dev, *tmp_dev;
wl_list_for_each_safe(dev, tmp_dev, wlr_devices, link) {
+ if (dev->type == WLR_INPUT_DEVICE_TABLET_TOOL) {
+ wlr_libinput_tablet_tool_destroy(dev);
+ }
wlr_input_device_destroy(dev);
}
for (size_t i = 0; i < backend->wlr_device_lists.length; i++) {
diff --git a/backend/libinput/tablet_tool.c b/backend/libinput/tablet_tool.c
index e9308b65..bae7780f 100644
--- a/backend/libinput/tablet_tool.c
+++ b/backend/libinput/tablet_tool.c
@@ -1,6 +1,7 @@
#include <assert.h>
#include <libinput.h>
#include <stdlib.h>
+#include <wayland-util.h>
#include <wlr/backend/session.h>
#include <wlr/interfaces/wlr_tablet_tool.h>
#include <wlr/types/wlr_input_device.h>
@@ -8,7 +9,57 @@
#include "backend/libinput.h"
#include "util/signal.h"
-struct wlr_tablet_tool *create_libinput_tablet_tool(
+struct wlr_libinput_tablet_tool {
+ struct wlr_tablet_tool_tool wlr_tool;
+
+ struct libinput_tablet_tool *libinput_tool;
+
+ bool unique;
+ // Refcount for destroy + release
+ size_t pad_refs;
+};
+
+// TODO: Maybe this should be a wlr_list? Do we keep it, or want to get rid of
+// it?
+struct tablet_tool_list_elem {
+ struct wl_list link;
+
+ struct wlr_libinput_tablet_tool *tool;
+};
+
+struct wlr_libinput_tablet {
+ struct wlr_tablet_tool wlr_tool;
+
+ struct wl_list tools; // tablet_tool_list_elem::link
+};
+
+static void destroy_tool_tool(struct wlr_libinput_tablet_tool *tool) {
+ wlr_signal_emit_safe(&tool->wlr_tool.events.destroy, &tool->wlr_tool);
+ libinput_tablet_tool_ref(tool->libinput_tool);
+ libinput_tablet_tool_set_user_data(tool->libinput_tool, NULL);
+ free(tool);
+}
+
+
+void wlr_libinput_tablet_tool_destroy(struct wlr_input_device *wlr_dev) {
+ struct wlr_libinput_tablet *tablet =
+ wl_container_of(wlr_dev->tablet_tool, tablet, wlr_tool);
+
+ struct tablet_tool_list_elem *pos;
+ struct tablet_tool_list_elem *tmp;
+ wl_list_for_each_safe(pos, tmp, &tablet->tools, link) {
+ wl_list_remove(&pos->link);
+ struct wlr_libinput_tablet_tool *tool = pos->tool;
+
+ if (--tool->pad_refs == 0) {
+ destroy_tool_tool(tool);
+ }
+
+ free(pos);
+ }
+}
+
+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));
@@ -20,6 +71,91 @@ struct wlr_tablet_tool *create_libinput_tablet_tool(
return wlr_tablet_tool;
}
+static enum wlr_tablet_tool_type wlr_type_from_libinput_type(
+ enum libinput_tablet_tool_type value) {
+ switch (value) {
+ case LIBINPUT_TABLET_TOOL_TYPE_PEN:
+ return WLR_TABLET_TOOL_TYPE_PEN;
+ case LIBINPUT_TABLET_TOOL_TYPE_ERASER:
+ return WLR_TABLET_TOOL_TYPE_ERASER;
+ case LIBINPUT_TABLET_TOOL_TYPE_BRUSH:
+ return WLR_TABLET_TOOL_TYPE_BRUSH;
+ case LIBINPUT_TABLET_TOOL_TYPE_PENCIL:
+ return WLR_TABLET_TOOL_TYPE_PENCIL;
+ case LIBINPUT_TABLET_TOOL_TYPE_AIRBRUSH:
+ return WLR_TABLET_TOOL_TYPE_AIRBRUSH;
+ case LIBINPUT_TABLET_TOOL_TYPE_MOUSE:
+ return WLR_TABLET_TOOL_TYPE_MOUSE;
+ case LIBINPUT_TABLET_TOOL_TYPE_LENS:
+ return WLR_TABLET_TOOL_TYPE_LENS;
+ }
+
+ assert(false && "UNREACHABLE");
+}
+
+static struct wlr_libinput_tablet_tool *get_wlr_tablet_tool(
+ struct libinput_tablet_tool *tool) {
+ struct wlr_libinput_tablet_tool *ret =
+ libinput_tablet_tool_get_user_data(tool);
+
+ if (ret) {
+ return ret;
+ }
+
+ ret = calloc(1, sizeof(struct wlr_libinput_tablet_tool));
+ if (!ret) {
+ return NULL;
+ }
+
+ ret->libinput_tool = libinput_tablet_tool_ref(tool);
+ ret->wlr_tool.pressure = libinput_tablet_tool_has_pressure(tool);
+ ret->wlr_tool.distance = libinput_tablet_tool_has_distance(tool);
+ ret->wlr_tool.tilt = libinput_tablet_tool_has_tilt(tool);
+ ret->wlr_tool.rotation = libinput_tablet_tool_has_rotation(tool);
+ ret->wlr_tool.slider = libinput_tablet_tool_has_slider(tool);
+ ret->wlr_tool.wheel = libinput_tablet_tool_has_wheel(tool);
+
+ ret->wlr_tool.hardware_serial = libinput_tablet_tool_get_serial(tool);
+ ret->wlr_tool.hardware_wacom = libinput_tablet_tool_get_tool_id(tool);
+ ret->wlr_tool.type = wlr_type_from_libinput_type(
+ libinput_tablet_tool_get_type(tool));
+
+ ret->unique = libinput_tablet_tool_is_unique(tool);
+
+ wl_signal_init(&ret->wlr_tool.events.destroy);
+
+ libinput_tablet_tool_set_user_data(tool, ret);
+ return ret;
+}
+
+static void ensure_tool_reference(struct wlr_libinput_tablet_tool *tool,
+ struct wlr_tablet_tool *wlr_dev) {
+ struct tablet_tool_list_elem *pos;
+ struct wlr_libinput_tablet *tablet = wl_container_of(wlr_dev, tablet, wlr_tool);
+
+ wl_list_for_each(pos, &tablet->tools, link) {
+ if (pos->tool == tool) { // We already have a ref
+ // XXX: We *could* optimize the tool to the front of
+ // the list here, since we will probably get the next
+ // couple of events from the same tool.
+ // BUT the list should always be rather short (probably
+ // single digit amount of tools) so it might be more
+ // work than it saves
+ return;
+ }
+ }
+
+ struct tablet_tool_list_elem *new =
+ calloc(1, sizeof(struct tablet_tool_list_elem));
+ if (!new) {// TODO: Should we at least log?
+ return;
+ }
+
+ new->tool = tool;
+ wl_list_insert(&tablet->tools, &new->link);
+ ++tool->pad_refs;
+}
+
void handle_tablet_tool_axis(struct libinput_event *event,
struct libinput_device *libinput_dev) {
struct wlr_input_device *wlr_dev =
@@ -31,7 +167,12 @@ void handle_tablet_tool_axis(struct libinput_event *event,
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_event_tablet_tool_axis wlr_event = { 0 };
+ struct wlr_libinput_tablet_tool *tool = get_wlr_tablet_tool(
+ libinput_event_tablet_tool_get_tool(tevent));
+ ensure_tool_reference(tool, wlr_dev->tablet_tool);
+
wlr_event.device = wlr_dev;
+ wlr_event.tool = &tool->wlr_tool;
wlr_event.time_msec =
usec_to_msec(libinput_event_tablet_tool_get_time_usec(tevent));
if (libinput_event_tablet_tool_x_has_changed(tevent)) {
@@ -84,6 +225,11 @@ void handle_tablet_tool_proximity(struct libinput_event *event,
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_event_tablet_tool_proximity wlr_event = { 0 };
+ struct wlr_libinput_tablet_tool *tool = get_wlr_tablet_tool(
+ libinput_event_tablet_tool_get_tool(tevent));
+ ensure_tool_reference(tool, wlr_dev->tablet_tool);
+
+ wlr_event.tool = &tool->wlr_tool;
wlr_event.device = wlr_dev;
wlr_event.time_msec =
usec_to_msec(libinput_event_tablet_tool_get_time_usec(tevent));
@@ -97,6 +243,27 @@ void handle_tablet_tool_proximity(struct libinput_event *event,
break;
}
wlr_signal_emit_safe(&wlr_dev->tablet_tool->events.proximity, &wlr_event);
+
+ // If the tool is not unique, libinput will not find it again after the
+ // proximity out, so we should destroy it
+ if (!tool->unique) {
+ // The tool isn't unique, it can't be on multiple tablets
+ assert(tool->pad_refs == 1);
+ struct wlr_libinput_tablet *tablet =
+ wl_container_of(wlr_dev->tablet_tool, tablet, wlr_tool);
+ 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);
+ }
}
void handle_tablet_tool_tip(struct libinput_event *event,
@@ -111,7 +278,12 @@ void handle_tablet_tool_tip(struct libinput_event *event,
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_event_tablet_tool_tip wlr_event = { 0 };
+ struct wlr_libinput_tablet_tool *tool = get_wlr_tablet_tool(
+ libinput_event_tablet_tool_get_tool(tevent));
+ ensure_tool_reference(tool, wlr_dev->tablet_tool);
+
wlr_event.device = wlr_dev;
+ wlr_event.tool = &tool->wlr_tool;
wlr_event.time_msec =
usec_to_msec(libinput_event_tablet_tool_get_time_usec(tevent));
switch (libinput_event_tablet_tool_get_tip_state(tevent)) {
@@ -137,7 +309,12 @@ void handle_tablet_tool_button(struct libinput_event *event,
struct libinput_event_tablet_tool *tevent =
libinput_event_get_tablet_tool_event(event);
struct wlr_event_tablet_tool_button wlr_event = { 0 };
+ struct wlr_libinput_tablet_tool *tool = get_wlr_tablet_tool(
+ libinput_event_tablet_tool_get_tool(tevent));
+ ensure_tool_reference(tool, wlr_dev->tablet_tool);
+
wlr_event.device = wlr_dev;
+ wlr_event.tool = &tool->wlr_tool;
wlr_event.time_msec =
usec_to_msec(libinput_event_tablet_tool_get_time_usec(tevent));
wlr_event.button = libinput_event_tablet_tool_get_button(tevent);