2 files changed, 93 insertions, 2 deletions

diff --git a/backend/libinput/tablet_pad.c b/backend/libinput/tablet_pad.c
index 626c2219..ed5374c6 100644
--- a/backend/libinput/tablet_pad.c
+++ b/backend/libinput/tablet_pad.c
@@ -8,7 +8,60 @@
 #include "backend/libinput.h"
 #include "util/signal.h"
 
-struct wlr_tablet_pad *create_libinput_tablet_pad(
+static void add_pad_group_from_libinput(struct wlr_tablet_pad *pad,
+		struct libinput_device *device, unsigned int index) {
+	struct libinput_tablet_pad_mode_group *li_group =
+		libinput_device_tablet_pad_get_mode_group(device, index);
+	struct wlr_tablet_pad_group_v2 *group =
+		calloc(1, sizeof(struct wlr_tablet_pad_group_v2));
+	if (!group) {
+		return;
+	}
+
+	for (size_t i = 0; i < pad->ring_count; ++i) {
+		if (libinput_tablet_pad_mode_group_has_ring(li_group, i)) {
+			++group->ring_count;
+		}
+	}
+	group->rings = calloc(sizeof(int), group->ring_count);
+	size_t ring = 0;
+	for (size_t i = 0; i < pad->ring_count; ++i) {
+		if (libinput_tablet_pad_mode_group_has_ring(li_group, i)) {
+			group->rings[ring++] = i;
+		}
+	}
+
+	for (size_t i = 0; i < pad->strip_count; ++i) {
+		if (libinput_tablet_pad_mode_group_has_strip(li_group, i)) {
+			++group->strip_count;
+		}
+	}
+	group->strips = calloc(sizeof(int), group->strip_count);
+	size_t strip = 0;
+	for (size_t i = 0; i < pad->strip_count; ++i) {
+		if (libinput_tablet_pad_mode_group_has_strip(li_group, i)) {
+			group->strips[strip++] = i;
+		}
+	}
+
+	for (size_t i = 0; i < pad->button_count; ++i) {
+		if (libinput_tablet_pad_mode_group_has_button(li_group, i)) {
+			++group->button_count;
+		}
+	}
+	group->buttons = calloc(sizeof(int), group->button_count);
+	size_t button = 0;
+	for (size_t i = 0; i < pad->button_count; ++i) {
+		if (libinput_tablet_pad_mode_group_has_button(li_group, i)) {
+			group->buttons[button++] = i;
+		}
+	}
+
+	group->mode_count = libinput_tablet_pad_mode_group_get_num_modes(li_group);
+	wl_list_insert(&pad->groups, &group->link);
+}
+
+struct wlr_tablet_pad *libinput_tablet_pad_create(
 		struct libinput_device *libinput_dev) {
 	assert(libinput_dev);
 	struct wlr_tablet_pad *wlr_tablet_pad = calloc(1, sizeof(struct wlr_tablet_pad));
@@ -16,6 +69,22 @@ struct wlr_tablet_pad *create_libinput_tablet_pad(
 		wlr_log(WLR_ERROR, "Unable to allocate wlr_tablet_pad");
 		return NULL;
 	}
+
+	wlr_tablet_pad->button_count =
+		libinput_device_tablet_pad_get_num_buttons(libinput_dev);
+	wlr_tablet_pad->ring_count =
+		libinput_device_tablet_pad_get_num_rings(libinput_dev);
+	wlr_tablet_pad->strip_count =
+		libinput_device_tablet_pad_get_num_strips(libinput_dev);
+
+	//struct udev_device *udev = libinput_device_get_udev_device(libinput_dev);
+	//add_tablet_path(&pad->paths, udev_device_get_syspath(udev));
+
+	int groups = libinput_device_tablet_pad_get_num_mode_groups(libinput_dev);
+	for (int i = 0; i < groups; ++i) {
+		add_pad_group_from_libinput(wlr_tablet_pad, libinput_dev, i);
+	}
+
 	wlr_tablet_pad_init(wlr_tablet_pad, NULL);
 	return wlr_tablet_pad;
 }
diff --git a/backend/libinput/tablet_tool.c b/backend/libinput/tablet_tool.c
index bae7780f..6c48dcf0 100644
--- a/backend/libinput/tablet_tool.c
+++ b/backend/libinput/tablet_tool.c
@@ -1,3 +1,7 @@
+#ifndef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 200809L
+#endif
+#include <string.h>
 #include <assert.h>
 #include <libinput.h>
 #include <stdlib.h>
@@ -9,6 +13,18 @@
 #include "backend/libinput.h"
 #include "util/signal.h"
 
+//TODO: Move out
+static void add_tablet_path(struct wl_list *list, const char *path) {
+	struct wlr_tablet_path *tablet_path = calloc(1, sizeof(struct wlr_tablet_path));
+
+	if (!tablet_path) {
+		return;
+	}
+
+	tablet_path->path = strdup(path);
+	wl_list_insert(list, &tablet_path->link);
+}
+
 struct wlr_libinput_tablet_tool {
 	struct wlr_tablet_tool_tool wlr_tool;
 
@@ -59,7 +75,7 @@ void wlr_libinput_tablet_tool_destroy(struct wlr_input_device *wlr_dev) {
 	}
 }
 
-struct wlr_tablet_tool *wlr_libinput_tablet_tool_create(
+struct wlr_tablet_tool *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));
@@ -67,6 +83,12 @@ struct wlr_tablet_tool *wlr_libinput_tablet_tool_create(
 		wlr_log(WLR_ERROR, "Unable to allocate wlr_tablet_tool");
 		return NULL;
 	}
+
+	struct udev_device *udev = libinput_device_get_udev_device(libinput_dev);
+	add_tablet_path(&wlr_tablet_tool->paths, udev_device_get_syspath(udev));
+	wlr_tablet_tool->name = strdup(libinput_device_get_name(libinput_dev));
+
+
 	wlr_tablet_tool_init(wlr_tablet_tool, NULL);
 	return wlr_tablet_tool;
 }