Implement tablet pads

1 files changed, 95 insertions, 0 deletions

diff --git a/backend/libinput/tablet_pad.c b/backend/libinput/tablet_pad.c
new file mode 100644
index 00000000..ee7c82f8
--- /dev/null
+++ b/backend/libinput/tablet_pad.c
@@ -0,0 +1,95 @@
+#include <stdlib.h>
+#include <assert.h>
+#include <libinput.h>
+#include <wlr/session.h>
+#include <wlr/types.h>
+#include <wlr/common/list.h>
+#include "backend/libinput.h"
+#include "common/log.h"
+#include "types.h"
+
+struct wlr_tablet_pad *wlr_libinput_tablet_pad_create(
+		struct libinput_device *device) {
+	assert(device);
+	return wlr_tablet_pad_create(NULL, NULL);
+}
+
+void handle_tablet_pad_button(struct libinput_event *event,
+		struct libinput_device *device) {
+	struct wlr_input_device *dev =
+		get_appropriate_device(WLR_INPUT_DEVICE_TABLET_PAD, device);
+	if (!dev) {
+		wlr_log(L_DEBUG, "Got a tablet pad event for a device with no tablet pad?");
+		return;
+	}
+	struct libinput_event_tablet_pad *pevent =
+		libinput_event_get_tablet_pad_event(event);
+	struct wlr_tablet_pad_button *wlr_event =
+		calloc(1, sizeof(struct wlr_tablet_pad_button));
+	wlr_event->time_sec = libinput_event_tablet_pad_get_time(pevent);
+	wlr_event->time_usec = libinput_event_tablet_pad_get_time_usec(pevent);
+	wlr_event->button = libinput_event_tablet_pad_get_button_number(pevent);
+	switch (libinput_event_tablet_pad_get_button_state(pevent)) {
+	case LIBINPUT_BUTTON_STATE_PRESSED:
+		wlr_event->state = WLR_BUTTON_PRESSED;
+		break;
+	case LIBINPUT_BUTTON_STATE_RELEASED:
+		wlr_event->state = WLR_BUTTON_RELEASED;
+		break;
+	}
+	wl_signal_emit(&dev->tablet_pad->events.button, wlr_event);
+}
+
+void handle_tablet_pad_ring(struct libinput_event *event,
+		struct libinput_device *device) {
+	struct wlr_input_device *dev =
+		get_appropriate_device(WLR_INPUT_DEVICE_TABLET_PAD, device);
+	if (!dev) {
+		wlr_log(L_DEBUG, "Got a tablet pad event for a device with no tablet pad?");
+		return;
+	}
+	struct libinput_event_tablet_pad *pevent =
+		libinput_event_get_tablet_pad_event(event);
+	struct wlr_tablet_pad_ring *wlr_event =
+		calloc(1, sizeof(struct wlr_tablet_pad_ring));
+	wlr_event->time_sec = libinput_event_tablet_pad_get_time(pevent);
+	wlr_event->time_usec = libinput_event_tablet_pad_get_time_usec(pevent);
+	wlr_event->ring = libinput_event_tablet_pad_get_ring_number(pevent);
+	wlr_event->position = libinput_event_tablet_pad_get_ring_position(pevent);
+	switch (libinput_event_tablet_pad_get_ring_source(pevent)) {
+	case LIBINPUT_TABLET_PAD_RING_SOURCE_UNKNOWN:
+		wlr_event->source = WLR_TABLET_PAD_RING_SOURCE_UNKNOWN;
+		break;
+	case LIBINPUT_TABLET_PAD_RING_SOURCE_FINGER:
+		wlr_event->source = WLR_TABLET_PAD_RING_SOURCE_FINGER;
+		break;
+	}
+	wl_signal_emit(&dev->tablet_pad->events.ring, wlr_event);
+}
+
+void handle_tablet_pad_strip(struct libinput_event *event,
+		struct libinput_device *device) {
+	struct wlr_input_device *dev =
+		get_appropriate_device(WLR_INPUT_DEVICE_TABLET_PAD, device);
+	if (!dev) {
+		wlr_log(L_DEBUG, "Got a tablet pad event for a device with no tablet pad?");
+		return;
+	}
+	struct libinput_event_tablet_pad *pevent =
+		libinput_event_get_tablet_pad_event(event);
+	struct wlr_tablet_pad_strip *wlr_event =
+		calloc(1, sizeof(struct wlr_tablet_pad_strip));
+	wlr_event->time_sec = libinput_event_tablet_pad_get_time(pevent);
+	wlr_event->time_usec = libinput_event_tablet_pad_get_time_usec(pevent);
+	wlr_event->strip = libinput_event_tablet_pad_get_strip_number(pevent);
+	wlr_event->position = libinput_event_tablet_pad_get_strip_position(pevent);
+	switch (libinput_event_tablet_pad_get_strip_source(pevent)) {
+	case LIBINPUT_TABLET_PAD_STRIP_SOURCE_UNKNOWN:
+		wlr_event->source = WLR_TABLET_PAD_STRIP_SOURCE_UNKNOWN;
+		break;
+	case LIBINPUT_TABLET_PAD_STRIP_SOURCE_FINGER:
+		wlr_event->source = WLR_TABLET_PAD_STRIP_SOURCE_FINGER;
+		break;
+	}
+	wl_signal_emit(&dev->tablet_pad->events.strip, wlr_event);
+}