backend/libinput: add assertions

This commit is contained in:
emersion 2018-09-17 21:53:03 +02:00
parent bc34486c04
commit 7bcf0d9599
6 changed files with 94 additions and 52 deletions

View file

@ -9,6 +9,12 @@
#include "backend/libinput.h"
#include "util/signal.h"
struct wlr_libinput_input_device *get_libinput_device_from_device(
struct wlr_input_device *wlr_dev) {
assert(wlr_input_device_is_libinput(wlr_dev));
return (struct wlr_libinput_input_device *)wlr_dev;
}
struct wlr_input_device *get_appropriate_device(
enum wlr_input_device_type desired_type,
struct libinput_device *libinput_dev) {
@ -25,8 +31,9 @@ struct wlr_input_device *get_appropriate_device(
return NULL;
}
static void input_device_destroy(struct wlr_input_device *_dev) {
struct wlr_libinput_input_device *dev = (struct wlr_libinput_input_device *)_dev;
static void input_device_destroy(struct wlr_input_device *wlr_dev) {
struct wlr_libinput_input_device *dev =
get_libinput_device_from_device(wlr_dev);
libinput_device_unref(dev->handle);
wl_list_remove(&dev->wlr_input_device.link);
free(dev);
@ -37,16 +44,18 @@ static const struct wlr_input_device_impl input_device_impl = {
};
static struct wlr_input_device *allocate_device(
struct wlr_libinput_backend *backend, struct libinput_device *libinput_dev,
struct wl_list *wlr_devices, enum wlr_input_device_type type) {
struct wlr_libinput_backend *backend,
struct libinput_device *libinput_dev, struct wl_list *wlr_devices,
enum wlr_input_device_type type) {
int vendor = libinput_device_get_id_vendor(libinput_dev);
int product = libinput_device_get_id_product(libinput_dev);
const char *name = libinput_device_get_name(libinput_dev);
struct wlr_libinput_input_device *wlr_libinput_dev;
if (!(wlr_libinput_dev = calloc(1, sizeof(struct wlr_libinput_input_device)))) {
struct wlr_libinput_input_device *dev =
calloc(1, sizeof(struct wlr_libinput_input_device));
if (dev == NULL) {
return NULL;
}
struct wlr_input_device *wlr_dev = &wlr_libinput_dev->wlr_input_device;
struct wlr_input_device *wlr_dev = &dev->wlr_input_device;
libinput_device_get_size(libinput_dev,
&wlr_dev->width_mm, &wlr_dev->height_mm);
const char *output_name = libinput_device_get_output_name(libinput_dev);
@ -54,7 +63,7 @@ static struct wlr_input_device *allocate_device(
wlr_dev->output_name = strdup(output_name);
}
wl_list_insert(wlr_devices, &wlr_dev->link);
wlr_libinput_dev->handle = libinput_dev;
dev->handle = libinput_dev;
libinput_device_ref(libinput_dev);
wlr_input_device_init(wlr_dev, type, &input_device_impl,
name, vendor, product);
@ -62,12 +71,11 @@ static struct wlr_input_device *allocate_device(
}
bool wlr_input_device_is_libinput(struct wlr_input_device *wlr_dev) {
return wlr_dev->impl == &input_device_impl;
return wlr_dev->impl == &input_device_impl;
}
static void handle_device_added(struct wlr_libinput_backend *backend,
struct libinput_device *libinput_dev) {
assert(backend && libinput_dev);
/*
* Note: the wlr API exposes only devices with a single capability, because
* that meshes better with how Wayland does things and is a bit simpler.
@ -85,7 +93,8 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
wl_list_init(wlr_devices);
wlr_log(WLR_DEBUG, "Added %s [%d:%d]", name, vendor, product);
if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_KEYBOARD)) {
if (libinput_device_has_capability(
libinput_dev, LIBINPUT_DEVICE_CAP_KEYBOARD)) {
struct wlr_input_device *wlr_dev = allocate_device(backend,
libinput_dev, wlr_devices, WLR_INPUT_DEVICE_KEYBOARD);
if (!wlr_dev) {
@ -98,7 +107,8 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
}
wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev);
}
if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_POINTER)) {
if (libinput_device_has_capability(
libinput_dev, LIBINPUT_DEVICE_CAP_POINTER)) {
struct wlr_input_device *wlr_dev = allocate_device(backend,
libinput_dev, wlr_devices, WLR_INPUT_DEVICE_POINTER);
if (!wlr_dev) {
@ -111,7 +121,8 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
}
wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev);
}
if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_TOUCH)) {
if (libinput_device_has_capability(
libinput_dev, LIBINPUT_DEVICE_CAP_TOUCH)) {
struct wlr_input_device *wlr_dev = allocate_device(backend,
libinput_dev, wlr_devices, WLR_INPUT_DEVICE_TOUCH);
if (!wlr_dev) {
@ -124,7 +135,8 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
}
wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev);
}
if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_TABLET_TOOL)) {
if (libinput_device_has_capability(libinput_dev,
LIBINPUT_DEVICE_CAP_TABLET_TOOL)) {
struct wlr_input_device *wlr_dev = allocate_device(backend,
libinput_dev, wlr_devices, WLR_INPUT_DEVICE_TABLET_TOOL);
if (!wlr_dev) {
@ -137,7 +149,8 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
}
wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev);
}
if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_TABLET_PAD)) {
if (libinput_device_has_capability(
libinput_dev, LIBINPUT_DEVICE_CAP_TABLET_PAD)) {
struct wlr_input_device *wlr_dev = allocate_device(backend,
libinput_dev, wlr_devices, WLR_INPUT_DEVICE_TABLET_PAD);
if (!wlr_dev) {
@ -150,14 +163,16 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
}
wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev);
}
if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_GESTURE)) {
if (libinput_device_has_capability(
libinput_dev, LIBINPUT_DEVICE_CAP_GESTURE)) {
// TODO
}
if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_SWITCH)) {
if (libinput_device_has_capability(
libinput_dev, LIBINPUT_DEVICE_CAP_SWITCH)) {
// TODO
}
if (wl_list_length(wlr_devices) > 0) {
if (!wl_list_empty(wlr_devices)) {
libinput_device_set_user_data(libinput_dev, wlr_devices);
wlr_list_push(&backend->wlr_device_lists, wlr_devices);
} else {
@ -199,7 +214,6 @@ static void handle_device_removed(struct wlr_libinput_backend *backend,
void handle_libinput_event(struct wlr_libinput_backend *backend,
struct libinput_event *event) {
assert(backend && event);
struct libinput_device *libinput_dev = libinput_event_get_device(event);
enum libinput_event_type event_type = libinput_event_get_type(event);
switch (event_type) {