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backend/libinput: add assertions

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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
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23
backend/libinput/backend.c
View file

@ -7,6 +7,12 @@
#include "backend/libinput.h"
#include "util/signal.h"
static struct wlr_libinput_backend *get_libinput_backend_from_backend(
struct wlr_backend *wlr_backend) {
assert(wlr_backend_is_libinput(wlr_backend));
return (struct wlr_libinput_backend *)wlr_backend;
}
static int libinput_open_restricted(const char *path,
int flags, void *_backend) {
struct wlr_libinput_backend *backend = _backend;
@ -43,9 +49,9 @@ static void log_libinput(struct libinput *libinput_context,
_wlr_vlog(WLR_ERROR, fmt, args);
}
static bool backend_start(struct wlr_backend *_backend) {
static bool backend_start(struct wlr_backend *wlr_backend) {
struct wlr_libinput_backend *backend =
(struct wlr_libinput_backend *)_backend;
get_libinput_backend_from_backend(wlr_backend);
wlr_log(WLR_DEBUG, "Initializing libinput");
backend->libinput_context = libinput_udev_create_context(&libinput_impl,
@ -101,7 +107,7 @@ static void backend_destroy(struct wlr_backend *wlr_backend) {
return;
}
struct wlr_libinput_backend *backend =
(struct wlr_libinput_backend *)wlr_backend;
get_libinput_backend_from_backend(wlr_backend);
for (size_t i = 0; i < backend->wlr_device_lists.length; i++) {
struct wl_list *wlr_devices = backend->wlr_device_lists.items[i];
@ -158,9 +164,8 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
struct wlr_session *session) {
assert(display && session);
struct wlr_libinput_backend *backend = calloc(1, sizeof(struct wlr_libinput_backend));
struct wlr_libinput_backend *backend =
calloc(1, sizeof(struct wlr_libinput_backend));
if (!backend) {
wlr_log(WLR_ERROR, "Allocation failed: %s", strerror(errno));
return NULL;
@ -187,8 +192,10 @@ error_backend:
return NULL;
}
struct libinput_device *wlr_libinput_get_device_handle(struct wlr_input_device *_dev) {
struct wlr_libinput_input_device *dev = (struct wlr_libinput_input_device *)_dev;
struct libinput_device *wlr_libinput_get_device_handle(
struct wlr_input_device *wlr_dev) {
struct wlr_libinput_input_device *dev =
(struct wlr_libinput_input_device *)wlr_dev;
return dev->handle;
}

52
backend/libinput/events.c
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) {

37
backend/libinput/keyboard.c
View file

@ -12,35 +12,43 @@ struct wlr_libinput_keyboard {
struct libinput_device *libinput_dev;
};
static const struct wlr_keyboard_impl impl;
static struct wlr_libinput_keyboard *get_libinput_keyboard_from_keyboard(
struct wlr_keyboard *wlr_kb) {
assert(wlr_kb->impl == &impl);
return (struct wlr_libinput_keyboard *)wlr_kb;
}
static void keyboard_set_leds(struct wlr_keyboard *wlr_kb, uint32_t leds) {
struct wlr_libinput_keyboard *wlr_libinput_kb =
(struct wlr_libinput_keyboard *)wlr_kb;
libinput_device_led_update(wlr_libinput_kb->libinput_dev, leds);
struct wlr_libinput_keyboard *kb =
get_libinput_keyboard_from_keyboard(wlr_kb);
libinput_device_led_update(kb->libinput_dev, leds);
}
static void keyboard_destroy(struct wlr_keyboard *wlr_kb) {
struct wlr_libinput_keyboard *wlr_libinput_kb =
(struct wlr_libinput_keyboard *)wlr_kb;
libinput_device_unref(wlr_libinput_kb->libinput_dev);
free(wlr_libinput_kb);
struct wlr_libinput_keyboard *kb =
get_libinput_keyboard_from_keyboard(wlr_kb);
libinput_device_unref(kb->libinput_dev);
free(kb);
}
struct wlr_keyboard_impl impl = {
static const struct wlr_keyboard_impl impl = {
.destroy = keyboard_destroy,
.led_update = keyboard_set_leds
};
struct wlr_keyboard *create_libinput_keyboard(
struct libinput_device *libinput_dev) {
assert(libinput_dev);
struct wlr_libinput_keyboard *wlr_libinput_kb;
if (!(wlr_libinput_kb= calloc(1, sizeof(struct wlr_libinput_keyboard)))) {
struct wlr_libinput_keyboard *kb =
calloc(1, sizeof(struct wlr_libinput_keyboard));
if (kb == NULL) {
return NULL;
}
wlr_libinput_kb->libinput_dev = libinput_dev;
kb->libinput_dev = libinput_dev;
libinput_device_ref(libinput_dev);
libinput_device_led_update(libinput_dev, 0);
struct wlr_keyboard *wlr_kb = &wlr_libinput_kb->wlr_keyboard;
struct wlr_keyboard *wlr_kb = &kb->wlr_keyboard;
wlr_keyboard_init(wlr_kb, &impl);
return wlr_kb;
}
@ -50,7 +58,8 @@ void handle_keyboard_key(struct libinput_event *event,
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_KEYBOARD, libinput_dev);
if (!wlr_dev) {
wlr_log(WLR_DEBUG, "Got a keyboard event for a device with no keyboards?");
wlr_log(WLR_DEBUG,
"Got a keyboard event for a device with no keyboards?");
return;
}
struct libinput_event_keyboard *kbevent =

12
backend/libinput/tablet_pad.c
View file

@ -69,7 +69,8 @@ static void add_pad_group_from_libinput(struct wlr_tablet_pad *pad,
struct wlr_tablet_pad *create_libinput_tablet_pad(
struct libinput_device *libinput_dev) {
assert(libinput_dev);
struct wlr_tablet_pad *wlr_tablet_pad = calloc(1, sizeof(struct wlr_tablet_pad));
struct wlr_tablet_pad *wlr_tablet_pad =
calloc(1, sizeof(struct wlr_tablet_pad));
if (!wlr_tablet_pad) {
wlr_log(WLR_ERROR, "Unable to allocate wlr_tablet_pad");
return NULL;
@ -101,7 +102,8 @@ void handle_tablet_pad_button(struct libinput_event *event,
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_PAD, libinput_dev);
if (!wlr_dev) {
wlr_log(WLR_DEBUG, "Got a tablet pad event for a device with no tablet pad?");
wlr_log(WLR_DEBUG,
"Got a tablet pad event for a device with no tablet pad?");
return;
}
struct libinput_event_tablet_pad *pevent =
@ -129,7 +131,8 @@ void handle_tablet_pad_ring(struct libinput_event *event,
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_PAD, libinput_dev);
if (!wlr_dev) {
wlr_log(WLR_DEBUG, "Got a tablet pad event for a device with no tablet pad?");
wlr_log(WLR_DEBUG,
"Got a tablet pad event for a device with no tablet pad?");
return;
}
struct libinput_event_tablet_pad *pevent =
@ -156,7 +159,8 @@ void handle_tablet_pad_strip(struct libinput_event *event,
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_PAD, libinput_dev);
if (!wlr_dev) {
wlr_log(WLR_DEBUG, "Got a tablet pad event for a device with no tablet pad?");
wlr_log(WLR_DEBUG,
"Got a tablet pad event for a device with no tablet pad?");
return;
}
struct libinput_event_tablet_pad *pevent =

21
backend/libinput/tablet_tool.c
View file

@ -156,7 +156,8 @@ static struct wlr_libinput_tablet_tool *get_wlr_tablet_tool(
static void ensure_tool_reference(struct wlr_libinput_tablet_tool *tool,
struct wlr_tablet *wlr_dev) {
assert(tablet_is_libinput(wlr_dev));
struct wlr_libinput_tablet *tablet = wl_container_of(wlr_dev, tablet, wlr_tablet);
struct wlr_libinput_tablet *tablet =
wl_container_of(wlr_dev, tablet, wlr_tablet);
struct tablet_tool_list_elem *pos;
wl_list_for_each(pos, &tablet->tools, link) {
@ -188,7 +189,8 @@ void handle_tablet_tool_axis(struct libinput_event *event,
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, libinput_dev);
if (!wlr_dev) {
wlr_log(WLR_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
wlr_log(WLR_DEBUG,
"Got a tablet tool event for a device with no tablet tools?");
return;
}
struct libinput_event_tablet_tool *tevent =
@ -248,7 +250,8 @@ void handle_tablet_tool_proximity(struct libinput_event *event,
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, libinput_dev);
if (!wlr_dev) {
wlr_log(WLR_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
wlr_log(WLR_DEBUG,
"Got a tablet tool event for a device with no tablet tools?");
return;
}
struct libinput_event_tablet_tool *tevent =
@ -272,14 +275,16 @@ void handle_tablet_tool_proximity(struct libinput_event *event,
}
wlr_signal_emit_safe(&wlr_dev->tablet->events.proximity, &wlr_event);
if (libinput_event_tablet_tool_get_proximity_state(tevent) == LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_IN) {
if (libinput_event_tablet_tool_get_proximity_state(tevent) ==
LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_IN) {
handle_tablet_tool_axis(event, libinput_dev);
}
// If the tool is not unique, libinput will not find it again after the
// proximity out, so we should destroy it
if (!tool->unique &&
libinput_event_tablet_tool_get_proximity_state(tevent) == LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_OUT) {
libinput_event_tablet_tool_get_proximity_state(tevent) ==
LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_OUT) {
// The tool isn't unique, it can't be on multiple tablets
assert(tool->pad_refs == 1);
assert(tablet_is_libinput(wlr_dev->tablet));
@ -305,7 +310,8 @@ void handle_tablet_tool_tip(struct libinput_event *event,
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, libinput_dev);
if (!wlr_dev) {
wlr_log(WLR_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
wlr_log(WLR_DEBUG,
"Got a tablet tool event for a device with no tablet tools?");
return;
}
handle_tablet_tool_axis(event, libinput_dev);
@ -336,7 +342,8 @@ void handle_tablet_tool_button(struct libinput_event *event,
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TABLET_TOOL, libinput_dev);
if (!wlr_dev) {
wlr_log(WLR_DEBUG, "Got a tablet tool event for a device with no tablet tools?");
wlr_log(WLR_DEBUG,
"Got a tablet tool event for a device with no tablet tools?");
return;
}
handle_tablet_tool_axis(event, libinput_dev);

1
include/backend/libinput.h
View file

@ -4,6 +4,7 @@
#include <libinput.h>
#include <wayland-server-core.h>
#include <wlr/backend/interface.h>
#include <wlr/backend/libinput.h>
#include <wlr/interfaces/wlr_input_device.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/types/wlr_list.h>