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backend/libinput: public API cleanup

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This commit is contained in:
Simon Zeni 2022-02-24 15:53:54 -05:00 committed by Kirill Primak
parent 0d21496e53
commit d0718a9b32
3 changed files with 40 additions and 155 deletions
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17
backend/libinput/backend.c
View file

@ -110,11 +110,9 @@ static bool backend_start(struct wlr_backend *wlr_backend) {
no_devs = NULL;
}
}
if (!no_devs && (backend->wlr_device_lists.size == 0
|| wl_list_empty(&backend->devices))) {
if (!no_devs && wl_list_empty(&backend->devices)) {
handle_libinput_readable(libinput_fd, WL_EVENT_READABLE, backend);
if (backend->wlr_device_lists.size == 0
&& wl_list_empty(&backend->devices)) {
if (wl_list_empty(&backend->devices)) {
wlr_log(WLR_ERROR, "libinput initialization failed, no input devices");
wlr_log(WLR_ERROR, "Set WLR_LIBINPUT_NO_DEVICES=1 to suppress this check");
return false;
@ -143,15 +141,6 @@ static void backend_destroy(struct wlr_backend *wlr_backend) {
struct wlr_libinput_backend *backend =
get_libinput_backend_from_backend(wlr_backend);
struct wl_list **wlr_devices_ptr;
wl_array_for_each(wlr_devices_ptr, &backend->wlr_device_lists) {
struct wlr_libinput_input_device *dev, *tmp;
wl_list_for_each_safe(dev, tmp, *wlr_devices_ptr, link) {
destroy_libinput_input_device(dev);
}
free(*wlr_devices_ptr);
}
struct wlr_libinput_input_device *dev, *tmp;
wl_list_for_each_safe(dev, tmp, &backend->devices, link) {
destroy_libinput_input_device(dev);
@ -163,7 +152,6 @@ static void backend_destroy(struct wlr_backend *wlr_backend) {
wl_list_remove(&backend->session_destroy.link);
wl_list_remove(&backend->session_signal.link);
wl_array_release(&backend->wlr_device_lists);
if (backend->input_event) {
wl_event_source_remove(backend->input_event);
}
@ -218,7 +206,6 @@ struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
}
wlr_backend_init(&backend->backend, &backend_impl);
wl_array_init(&backend->wlr_device_lists);
wl_list_init(&backend->devices);
backend->session = session;

159
backend/libinput/events.c
View file

@ -1,60 +1,36 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <libinput.h>
#include <stdlib.h>
#include <wayland-util.h>
#include <wlr/backend/session.h>
#include <wlr/interfaces/wlr_keyboard.h>
#include <wlr/interfaces/wlr_pointer.h>
#include <wlr/interfaces/wlr_touch.h>
#include <wlr/interfaces/wlr_tablet_tool.h>
#include <wlr/interfaces/wlr_tablet_pad.h>
#include <wlr/interfaces/wlr_switch.h>
#include <wlr/util/log.h>
#include "backend/libinput.h"
#include "util/array.h"
#include "util/signal.h"
struct wlr_input_device *get_appropriate_device(
enum wlr_input_device_type desired_type,
struct libinput_device *libinput_dev) {
struct wl_list *wlr_devices = libinput_device_get_user_data(libinput_dev);
if (!wlr_devices) {
return NULL;
void destroy_libinput_input_device(struct wlr_libinput_input_device *dev) {
if (dev->keyboard.impl) {
wlr_keyboard_destroy(&dev->keyboard);
}
struct wlr_libinput_input_device *dev;
wl_list_for_each(dev, wlr_devices, link) {
if (dev->wlr_input_device.type == desired_type) {
return &dev->wlr_input_device;
}
if (dev->pointer.impl) {
wlr_pointer_destroy(&dev->pointer);
}
return NULL;
}
void destroy_libinput_input_device(struct wlr_libinput_input_device *dev)
{
/**
* TODO remove the redundant wlr_input_device from wlr_libinput_input_device
* wlr_libinput_input_device::wlr_input_device is not owned by its input
* device type, which means we have 2 wlr_input_device to cleanup
*/
if (dev->wlr_input_device._device) {
wlr_input_device_destroy(&dev->wlr_input_device);
wlr_input_device_finish(&dev->wlr_input_device);
} else {
if (dev->keyboard.impl) {
wlr_keyboard_destroy(&dev->keyboard);
}
if (dev->pointer.impl) {
wlr_pointer_destroy(&dev->pointer);
}
if (dev->switch_device.impl) {
wlr_switch_destroy(&dev->switch_device);
}
if (dev->touch.impl) {
wlr_touch_destroy(&dev->touch);
}
if (dev->tablet.impl) {
wlr_tablet_destroy(&dev->tablet);
}
if (dev->tablet_pad.impl) {
wlr_tablet_pad_destroy(&dev->tablet_pad);
}
if (dev->switch_device.impl) {
wlr_switch_destroy(&dev->switch_device);
}
if (dev->touch.impl) {
wlr_touch_destroy(&dev->touch);
}
if (dev->tablet.impl) {
wlr_tablet_destroy(&dev->tablet);
}
if (dev->tablet_pad.impl) {
wlr_tablet_pad_destroy(&dev->tablet_pad);
}
libinput_device_unref(dev->handle);
@ -83,16 +59,10 @@ bool wlr_input_device_is_libinput(struct wlr_input_device *wlr_dev) {
static void handle_device_added(struct wlr_libinput_backend *backend,
struct libinput_device *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.
* However, libinput devices often have multiple capabilities - in such
* cases we have to create several devices.
*/
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);
wlr_log(WLR_DEBUG, "Added %s [%d:%d]", name, vendor, product);
wlr_log(WLR_DEBUG, "Adding %s [%d:%d]", name, vendor, product);
struct wlr_libinput_input_device *dev =
calloc(1, sizeof(struct wlr_libinput_input_device));
@ -105,7 +75,7 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
libinput_device_ref(libinput_dev);
libinput_device_set_user_data(libinput_dev, dev);
bool dev_used = false;
wl_list_insert(&backend->devices, &dev->link);
if (libinput_device_has_capability(
libinput_dev, LIBINPUT_DEVICE_CAP_KEYBOARD)) {
@ -113,7 +83,6 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
wlr_signal_emit_safe(&backend->backend.events.new_input,
&dev->keyboard.base);
dev_used = true;
}
if (libinput_device_has_capability(
@ -122,8 +91,6 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
wlr_signal_emit_safe(&backend->backend.events.new_input,
&dev->pointer.base);
dev_used = true;
}
if (libinput_device_has_capability(
@ -131,7 +98,6 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
init_device_switch(dev);
wlr_signal_emit_safe(&backend->backend.events.new_input,
&dev->switch_device.base);
dev_used = true;
}
if (libinput_device_has_capability(
@ -139,7 +105,6 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
init_device_touch(dev);
wlr_signal_emit_safe(&backend->backend.events.new_input,
&dev->touch.base);
dev_used = true;
}
if (libinput_device_has_capability(libinput_dev,
@ -147,7 +112,6 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
init_device_tablet(dev);
wlr_signal_emit_safe(&backend->backend.events.new_input,
&dev->tablet.base);
dev_used = true;
}
if (libinput_device_has_capability(
@ -155,48 +119,12 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
init_device_tablet_pad(dev);
wlr_signal_emit_safe(&backend->backend.events.new_input,
&dev->tablet_pad.base);
dev_used = true;
}
if (dev_used) {
wl_list_insert(&backend->devices, &dev->link);
return;
} else {
libinput_device_unref(libinput_dev);
free(dev);
}
struct wl_list *wlr_devices = calloc(1, sizeof(struct wl_list));
if (!wlr_devices) {
wlr_log(WLR_ERROR, "Allocation failed");
return;
}
wl_list_init(wlr_devices);
if (libinput_device_has_capability(
libinput_dev, LIBINPUT_DEVICE_CAP_GESTURE)) {
// TODO
wlr_log(WLR_DEBUG, "libinput gesture not handled");
}
if (!wl_list_empty(wlr_devices)) {
struct wl_list **dst = wl_array_add(&backend->wlr_device_lists, sizeof(wlr_devices));
if (!dst) {
goto fail;
}
*dst = wlr_devices;
libinput_device_set_user_data(libinput_dev, wlr_devices);
} else {
free(wlr_devices);
}
return;
fail:
wlr_log(WLR_ERROR, "Could not allocate new device");
struct wlr_libinput_input_device *device, *tmp;
wl_list_for_each_safe(device, tmp, wlr_devices, link) {
free(device);
}
free(wlr_devices);
}
static void handle_device_removed(struct wlr_libinput_backend *backend,
@ -206,37 +134,14 @@ static void handle_device_removed(struct wlr_libinput_backend *backend,
const char *name = libinput_device_get_name(libinput_dev);
wlr_log(WLR_DEBUG, "Removing %s [%d:%d]", name, vendor, product);
// TODO: use libinput_device_get_user_data(libinput_dev);
if (!wl_list_empty(&backend->devices)) {
struct wlr_libinput_input_device *dev, *tmp_dev;
wl_list_for_each_safe(dev, tmp_dev, &backend->devices, link) {
if (dev->handle == libinput_dev) {
destroy_libinput_input_device(dev);
return;
}
}
}
struct wl_list *wlr_devices = libinput_device_get_user_data(libinput_dev);
if (!wlr_devices) {
struct wlr_libinput_input_device *dev =
libinput_device_get_user_data(libinput_dev);
if (dev == NULL) {
wlr_log(WLR_ERROR, "libinput_device has no wlr_libinput_input_device");
return;
}
struct wlr_libinput_input_device *dev, *tmp_dev;
wl_list_for_each_safe(dev, tmp_dev, wlr_devices, link) {
destroy_libinput_input_device(dev);
}
size_t i = 0;
struct wl_list **ptr;
wl_array_for_each(ptr, &backend->wlr_device_lists) {
struct wl_list *iter = *ptr;
if (iter == wlr_devices) {
array_remove_at(&backend->wlr_device_lists,
i * sizeof(struct wl_list *), sizeof(struct wl_list *));
break;
}
i++;
}
free(wlr_devices);
destroy_libinput_input_device(dev);
}
void handle_libinput_event(struct wlr_libinput_backend *backend,

19
include/backend/libinput.h
View file

@ -5,13 +5,12 @@
#include <wayland-server-core.h>
#include <wlr/backend/interface.h>
#include <wlr/backend/libinput.h>
#include <wlr/interfaces/wlr_keyboard.h>
#include <wlr/interfaces/wlr_pointer.h>
#include <wlr/interfaces/wlr_switch.h>
#include <wlr/interfaces/wlr_tablet_pad.h>
#include <wlr/interfaces/wlr_tablet_tool.h>
#include <wlr/interfaces/wlr_touch.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/types/wlr_keyboard.h>
#include <wlr/types/wlr_pointer.h>
#include <wlr/types/wlr_switch.h>
#include <wlr/types/wlr_tablet_pad.h>
#include <wlr/types/wlr_tablet_tool.h>
#include <wlr/types/wlr_touch.h>
struct wlr_libinput_backend {
struct wlr_backend backend;
@ -26,12 +25,10 @@ struct wlr_libinput_backend {
struct wl_listener session_destroy;
struct wl_listener session_signal;
struct wl_array wlr_device_lists; // struct wl_list *
struct wl_list devices; // wlr_libinput_device::link
};
struct wlr_libinput_input_device {
struct wlr_input_device wlr_input_device;
struct libinput_device *handle;
struct wlr_keyboard keyboard;
@ -50,10 +47,6 @@ uint32_t usec_to_msec(uint64_t usec);
void handle_libinput_event(struct wlr_libinput_backend *state,
struct libinput_event *event);
struct wlr_input_device *get_appropriate_device(
enum wlr_input_device_type desired_type,
struct libinput_device *device);
void destroy_libinput_input_device(struct wlr_libinput_input_device *dev);
extern const struct wlr_keyboard_impl libinput_keyboard_impl;