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backend/libinput: public API cleanup

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; no_devs = NULL;
} }
} }
if (!no_devs && (backend->wlr_device_lists.size == 0 if (!no_devs && wl_list_empty(&backend->devices)) {
|| wl_list_empty(&backend->devices))) {
handle_libinput_readable(libinput_fd, WL_EVENT_READABLE, backend); handle_libinput_readable(libinput_fd, WL_EVENT_READABLE, backend);
if (backend->wlr_device_lists.size == 0 if (wl_list_empty(&backend->devices)) {
&& wl_list_empty(&backend->devices)) {
wlr_log(WLR_ERROR, "libinput initialization failed, no input 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"); wlr_log(WLR_ERROR, "Set WLR_LIBINPUT_NO_DEVICES=1 to suppress this check");
return false; return false;
@ -143,15 +141,6 @@ static void backend_destroy(struct wlr_backend *wlr_backend) {
struct wlr_libinput_backend *backend = struct wlr_libinput_backend *backend =
get_libinput_backend_from_backend(wlr_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; struct wlr_libinput_input_device *dev, *tmp;
wl_list_for_each_safe(dev, tmp, &backend->devices, link) { wl_list_for_each_safe(dev, tmp, &backend->devices, link) {
destroy_libinput_input_device(dev); 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_destroy.link);
wl_list_remove(&backend->session_signal.link); wl_list_remove(&backend->session_signal.link);
wl_array_release(&backend->wlr_device_lists);
if (backend->input_event) { if (backend->input_event) {
wl_event_source_remove(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); wlr_backend_init(&backend->backend, &backend_impl);
wl_array_init(&backend->wlr_device_lists);
wl_list_init(&backend->devices); wl_list_init(&backend->devices);
backend->session = session; backend->session = session;

159
backend/libinput/events.c
View File

@ -1,60 +1,36 @@
#define _POSIX_C_SOURCE 200809L #define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <libinput.h> #include <libinput.h>
#include <stdlib.h> #include <stdlib.h>
#include <wayland-util.h>
#include <wlr/backend/session.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 <wlr/util/log.h>
#include "backend/libinput.h" #include "backend/libinput.h"
#include "util/array.h"
#include "util/signal.h" #include "util/signal.h"
struct wlr_input_device *get_appropriate_device( void destroy_libinput_input_device(struct wlr_libinput_input_device *dev) {
enum wlr_input_device_type desired_type, if (dev->keyboard.impl) {
struct libinput_device *libinput_dev) { wlr_keyboard_destroy(&dev->keyboard);
struct wl_list *wlr_devices = libinput_device_get_user_data(libinput_dev);
if (!wlr_devices) {
return NULL;
} }
struct wlr_libinput_input_device *dev; if (dev->pointer.impl) {
wl_list_for_each(dev, wlr_devices, link) { wlr_pointer_destroy(&dev->pointer);
if (dev->wlr_input_device.type == desired_type) {
return &dev->wlr_input_device;
}
} }
return NULL; if (dev->switch_device.impl) {
} wlr_switch_destroy(&dev->switch_device);
}
if (dev->touch.impl) {
void destroy_libinput_input_device(struct wlr_libinput_input_device *dev) wlr_touch_destroy(&dev->touch);
{ }
/** if (dev->tablet.impl) {
* TODO remove the redundant wlr_input_device from wlr_libinput_input_device wlr_tablet_destroy(&dev->tablet);
* 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->tablet_pad.impl) {
*/ wlr_tablet_pad_destroy(&dev->tablet_pad);
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);
}
} }
libinput_device_unref(dev->handle); 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, static void handle_device_added(struct wlr_libinput_backend *backend,
struct libinput_device *libinput_dev) { 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 vendor = libinput_device_get_id_vendor(libinput_dev);
int product = libinput_device_get_id_product(libinput_dev); int product = libinput_device_get_id_product(libinput_dev);
const char *name = libinput_device_get_name(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 = struct wlr_libinput_input_device *dev =
calloc(1, sizeof(struct wlr_libinput_input_device)); 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_ref(libinput_dev);
libinput_device_set_user_data(libinput_dev, 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( if (libinput_device_has_capability(
libinput_dev, LIBINPUT_DEVICE_CAP_KEYBOARD)) { 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, wlr_signal_emit_safe(&backend->backend.events.new_input,
&dev->keyboard.base); &dev->keyboard.base);
dev_used = true;
} }
if (libinput_device_has_capability( 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, wlr_signal_emit_safe(&backend->backend.events.new_input,
&dev->pointer.base); &dev->pointer.base);
dev_used = true;
} }
if (libinput_device_has_capability( if (libinput_device_has_capability(
@ -131,7 +98,6 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
init_device_switch(dev); init_device_switch(dev);
wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_signal_emit_safe(&backend->backend.events.new_input,
&dev->switch_device.base); &dev->switch_device.base);
dev_used = true;
} }
if (libinput_device_has_capability( if (libinput_device_has_capability(
@ -139,7 +105,6 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
init_device_touch(dev); init_device_touch(dev);
wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_signal_emit_safe(&backend->backend.events.new_input,
&dev->touch.base); &dev->touch.base);
dev_used = true;
} }
if (libinput_device_has_capability(libinput_dev, 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); init_device_tablet(dev);
wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_signal_emit_safe(&backend->backend.events.new_input,
&dev->tablet.base); &dev->tablet.base);
dev_used = true;
} }
if (libinput_device_has_capability( if (libinput_device_has_capability(
@ -155,48 +119,12 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
init_device_tablet_pad(dev); init_device_tablet_pad(dev);
wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_signal_emit_safe(&backend->backend.events.new_input,
&dev->tablet_pad.base); &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( if (libinput_device_has_capability(
libinput_dev, LIBINPUT_DEVICE_CAP_GESTURE)) { 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, 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); const char *name = libinput_device_get_name(libinput_dev);
wlr_log(WLR_DEBUG, "Removing %s [%d:%d]", name, vendor, product); wlr_log(WLR_DEBUG, "Removing %s [%d:%d]", name, vendor, product);
// TODO: use libinput_device_get_user_data(libinput_dev); struct wlr_libinput_input_device *dev =
if (!wl_list_empty(&backend->devices)) { libinput_device_get_user_data(libinput_dev);
struct wlr_libinput_input_device *dev, *tmp_dev; if (dev == NULL) {
wl_list_for_each_safe(dev, tmp_dev, &backend->devices, link) { wlr_log(WLR_ERROR, "libinput_device has no wlr_libinput_input_device");
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) {
return; 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);
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);
} }
void handle_libinput_event(struct wlr_libinput_backend *backend, 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 <wayland-server-core.h>
#include <wlr/backend/interface.h> #include <wlr/backend/interface.h>
#include <wlr/backend/libinput.h> #include <wlr/backend/libinput.h>
#include <wlr/interfaces/wlr_keyboard.h> #include <wlr/types/wlr_keyboard.h>
#include <wlr/interfaces/wlr_pointer.h> #include <wlr/types/wlr_pointer.h>
#include <wlr/interfaces/wlr_switch.h> #include <wlr/types/wlr_switch.h>
#include <wlr/interfaces/wlr_tablet_pad.h> #include <wlr/types/wlr_tablet_pad.h>
#include <wlr/interfaces/wlr_tablet_tool.h> #include <wlr/types/wlr_tablet_tool.h>
#include <wlr/interfaces/wlr_touch.h> #include <wlr/types/wlr_touch.h>
#include <wlr/types/wlr_input_device.h>
struct wlr_libinput_backend { struct wlr_libinput_backend {
struct wlr_backend backend; struct wlr_backend backend;
@ -26,12 +25,10 @@ struct wlr_libinput_backend {
struct wl_listener session_destroy; struct wl_listener session_destroy;
struct wl_listener session_signal; struct wl_listener session_signal;
struct wl_array wlr_device_lists; // struct wl_list *
struct wl_list devices; // wlr_libinput_device::link struct wl_list devices; // wlr_libinput_device::link
}; };
struct wlr_libinput_input_device { struct wlr_libinput_input_device {
struct wlr_input_device wlr_input_device;
struct libinput_device *handle; struct libinput_device *handle;
struct wlr_keyboard keyboard; 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, void handle_libinput_event(struct wlr_libinput_backend *state,
struct libinput_event *event); 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); void destroy_libinput_input_device(struct wlr_libinput_input_device *dev);
extern const struct wlr_keyboard_impl libinput_keyboard_impl; extern const struct wlr_keyboard_impl libinput_keyboard_impl;