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-rw-r--r--backend/backend.c42
-rw-r--r--backend/drm/backend.c5
-rw-r--r--backend/multi/backend.c19
-rw-r--r--backend/session/logind.c143
-rw-r--r--include/backend/multi.h1
-rw-r--r--include/wlr/backend.h5
-rw-r--r--include/wlr/backend/drm.h2
-rw-r--r--include/wlr/backend/interface.h1
-rw-r--r--rootston/keyboard.c14
9 files changed, 189 insertions, 43 deletions
diff --git a/backend/backend.c b/backend/backend.c
index 78b90007..2d6464b7 100644
--- a/backend/backend.c
+++ b/backend/backend.c
@@ -15,6 +15,7 @@
#include <wlr/backend/wayland.h>
#include <wlr/config.h>
#include <wlr/util/log.h>
+#include "backend/multi.h"
/* WLR_HAS_X11_BACKEND needs to be after wlr/config.h */
#ifdef WLR_HAS_X11_BACKEND
@@ -56,6 +57,13 @@ struct wlr_renderer *wlr_backend_get_renderer(struct wlr_backend *backend) {
return NULL;
}
+struct wlr_session *wlr_backend_get_session(struct wlr_backend *backend) {
+ if (backend->impl->get_session) {
+ return backend->impl->get_session(backend);
+ }
+ return NULL;
+}
+
static size_t parse_outputs_env(const char *name) {
const char *outputs_str = getenv(name);
if (outputs_str == NULL) {
@@ -158,10 +166,12 @@ static struct wlr_backend *attempt_backend_by_name(struct wl_display *display,
return attempt_headless_backend(display, create_renderer_func);
} else if (strcmp(name, "drm") == 0 || strcmp(name, "libinput") == 0) {
// DRM and libinput need a session
- *session = wlr_session_create(display);
if (!*session) {
- wlr_log(WLR_ERROR, "failed to start a session");
- return NULL;
+ *session = wlr_session_create(display);
+ if (!*session) {
+ wlr_log(WLR_ERROR, "failed to start a session");
+ return NULL;
+ }
}
if (strcmp(name, "libinput") == 0) {
@@ -178,13 +188,12 @@ static struct wlr_backend *attempt_backend_by_name(struct wl_display *display,
struct wlr_backend *wlr_backend_autocreate(struct wl_display *display,
wlr_renderer_create_func_t create_renderer_func) {
struct wlr_backend *backend = wlr_multi_backend_create(display);
+ struct wlr_multi_backend *multi = (struct wlr_multi_backend *)backend;
if (!backend) {
wlr_log(WLR_ERROR, "could not allocate multibackend");
return NULL;
}
- struct wlr_session *session = NULL;
-
char *names = getenv("WLR_BACKENDS");
if (names) {
names = strdup(names);
@@ -197,12 +206,12 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display,
char *saveptr;
char *name = strtok_r(names, ",", &saveptr);
while (name != NULL) {
- struct wlr_backend *subbackend =
- attempt_backend_by_name(display, backend, &session, name, create_renderer_func);
+ struct wlr_backend *subbackend = attempt_backend_by_name(display,
+ backend, &multi->session, name, create_renderer_func);
if (subbackend == NULL) {
wlr_log(WLR_ERROR, "failed to start backend '%s'", name);
wlr_backend_destroy(backend);
- wlr_session_destroy(session);
+ wlr_session_destroy(multi->session);
free(names);
return NULL;
}
@@ -210,7 +219,7 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display,
if (!wlr_multi_backend_add(backend, subbackend)) {
wlr_log(WLR_ERROR, "failed to add backend '%s'", name);
wlr_backend_destroy(backend);
- wlr_session_destroy(session);
+ wlr_session_destroy(multi->session);
free(names);
return NULL;
}
@@ -245,29 +254,30 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display,
#endif
// Attempt DRM+libinput
- session = wlr_session_create(display);
- if (!session) {
+ multi->session = wlr_session_create(display);
+ if (!multi->session) {
wlr_log(WLR_ERROR, "Failed to start a DRM session");
wlr_backend_destroy(backend);
return NULL;
}
- struct wlr_backend *libinput = wlr_libinput_backend_create(display, session);
+ struct wlr_backend *libinput = wlr_libinput_backend_create(display,
+ multi->session);
if (!libinput) {
wlr_log(WLR_ERROR, "Failed to start libinput backend");
wlr_backend_destroy(backend);
- wlr_session_destroy(session);
+ wlr_session_destroy(multi->session);
return NULL;
}
wlr_multi_backend_add(backend, libinput);
- struct wlr_backend *primary_drm =
- attempt_drm_backend(display, backend, session, create_renderer_func);
+ struct wlr_backend *primary_drm = attempt_drm_backend(display, backend,
+ multi->session, create_renderer_func);
if (!primary_drm) {
wlr_log(WLR_ERROR, "Failed to open any DRM device");
wlr_backend_destroy(libinput);
wlr_backend_destroy(backend);
- wlr_session_destroy(session);
+ wlr_session_destroy(multi->session);
return NULL;
}
diff --git a/backend/drm/backend.c b/backend/drm/backend.c
index bba79bda..40f17bb7 100644
--- a/backend/drm/backend.c
+++ b/backend/drm/backend.c
@@ -193,8 +193,3 @@ error_fd:
free(drm);
return NULL;
}
-
-struct wlr_session *wlr_drm_backend_get_session(struct wlr_backend *backend) {
- struct wlr_drm_backend *drm = get_drm_backend_from_backend(backend);
- return drm->session;
-}
diff --git a/backend/multi/backend.c b/backend/multi/backend.c
index 3707fe34..2f4b929f 100644
--- a/backend/multi/backend.c
+++ b/backend/multi/backend.c
@@ -1,7 +1,6 @@
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
-#include <wlr/backend/drm.h>
#include <wlr/backend/interface.h>
#include <wlr/backend/session.h>
#include <wlr/util/log.h>
@@ -72,10 +71,17 @@ static struct wlr_renderer *multi_backend_get_renderer(
return NULL;
}
+static struct wlr_session *multi_backend_get_session(
+ struct wlr_backend *_backend) {
+ struct wlr_multi_backend *backend = multi_backend_from_backend(_backend);
+ return backend->session;
+}
+
struct wlr_backend_impl backend_impl = {
.start = multi_backend_start,
.destroy = multi_backend_destroy,
.get_renderer = multi_backend_get_renderer,
+ .get_session = multi_backend_get_session,
};
static void handle_display_destroy(struct wl_listener *listener, void *data) {
@@ -191,17 +197,6 @@ void wlr_multi_backend_remove(struct wlr_backend *_multi,
}
}
-struct wlr_session *wlr_multi_get_session(struct wlr_backend *_backend) {
- struct wlr_multi_backend *backend = multi_backend_from_backend(_backend);
- struct subbackend_state *sub;
- wl_list_for_each(sub, &backend->backends, link) {
- if (wlr_backend_is_drm(sub->backend)) {
- return wlr_drm_backend_get_session(sub->backend);
- }
- }
- return NULL;
-}
-
bool wlr_multi_is_empty(struct wlr_backend *_backend) {
assert(wlr_backend_is_multi(_backend));
struct wlr_multi_backend *backend = (struct wlr_multi_backend *)_backend;
diff --git a/backend/session/logind.c b/backend/session/logind.c
index 39143a2f..b86cf3dc 100644
--- a/backend/session/logind.c
+++ b/backend/session/logind.c
@@ -35,6 +35,11 @@ struct logind_session {
char *id;
char *path;
+
+ // specifies whether a drm device was taken
+ // if so, the session will be (de)activated with the drm fd,
+ // otherwise with the dbus PropertiesChanged on "active" signal
+ bool has_drm;
};
static struct logind_session *logind_session_from_session(
@@ -43,6 +48,30 @@ static struct logind_session *logind_session_from_session(
return (struct logind_session *)base;
}
+static void parse_active(struct logind_session *session,
+ struct sd_bus_message *msg) {
+ int ret;
+ ret = sd_bus_message_enter_container(msg, 'v', "b");
+ if (ret < 0) {
+ wlr_log(WLR_ERROR, "Failed to parse D-Bus active property (1): %s",
+ strerror(-ret));
+ return;
+ }
+
+ bool active;
+ ret = sd_bus_message_read_basic(msg, 'b', &active);
+ if (ret < 0) {
+ wlr_log(WLR_ERROR, "Failed to parse D-Bus active property (2): %s",
+ strerror(-ret));
+ return;
+ }
+
+ if (!session->has_drm) {
+ session->base.active = active;
+ wlr_signal_emit_safe(&session->base.session_signal, session);
+ }
+}
+
static int logind_take_device(struct wlr_session *base, const char *path) {
struct logind_session *session = logind_session_from_session(base);
@@ -57,6 +86,10 @@ static int logind_take_device(struct wlr_session *base, const char *path) {
return -1;
}
+ if (major(st.st_rdev) == DRM_MAJOR) {
+ session->has_drm = true;
+ }
+
ret = sd_bus_call_method(session->bus, "org.freedesktop.login1",
session->path, "org.freedesktop.login1.Session", "TakeDevice",
&error, &msg, "uu", major(st.st_rdev), minor(st.st_rdev));
@@ -262,6 +295,7 @@ static int pause_device(sd_bus_message *msg, void *userdata, sd_bus_error *ret_e
}
if (major == DRM_MAJOR) {
+ assert(session->has_drm);
session->base.active = false;
wlr_signal_emit_safe(&session->base.session_signal, session);
}
@@ -307,6 +341,107 @@ error:
return 0;
}
+static int properties_changed(sd_bus_message *msg, void *userdata,
+ sd_bus_error *ret_error) {
+ struct logind_session *session = userdata;
+ int ret = 0;
+
+ // if we have drm fd we don't depend on this
+ if (session->has_drm) {
+ return 0;
+ }
+
+ // PropertiesChanged 1: interface
+ const char *interface;
+ ret = sd_bus_message_read_basic(msg, 's', &interface); // skip path
+ if (ret < 0) {
+ wlr_log(WLR_ERROR, "Failed to parse D-Bus PropertiesChanged (1) %s",
+ strerror(-ret));
+ goto error;
+ }
+
+ if (strcmp(interface, "org.freedesktop.login1.Session") != 0) {
+ // not interesting for us; ignore
+ wlr_log(WLR_DEBUG, "ignoring PropertiesChanged from %s", interface);
+ return 0;
+ }
+
+ // PropertiesChanged 2: changed properties with values
+ ret = sd_bus_message_enter_container(msg, 'a', "{sv}");
+ if (ret < 0) {
+ wlr_log(WLR_ERROR, "Failed to parse D-Bus PropertiesChanged (2) %s",
+ strerror(-ret));
+ goto error;
+ }
+
+ const char *s;
+ while ((ret = sd_bus_message_enter_container(msg, 'e', "sv")) > 0) {
+ ret = sd_bus_message_read_basic(msg, 's', &s);
+ if (ret < 0) {
+ wlr_log(WLR_ERROR, "Failed to parse D-Bus PropertiesChanged (3) %s",
+ strerror(-ret));
+ goto error;
+ }
+
+ if (strcmp(s, "Active") == 0) {
+ parse_active(session, msg);
+ return 0;
+ } else {
+ sd_bus_message_skip(msg, "{sv}");
+ }
+
+ ret = sd_bus_message_exit_container(msg);
+ if (ret < 0) {
+ wlr_log(WLR_ERROR, "Failed to parse D-Bus PropertiesChanged (4) %s",
+ strerror(-ret));
+ goto error;
+ }
+ }
+
+ if (ret < 0) {
+ wlr_log(WLR_ERROR, "Failed to parse D-Bus PropertiesChanged (5) %s",
+ strerror(-ret));
+ goto error;
+ }
+
+ ret = sd_bus_message_exit_container(msg);
+ if (ret < 0) {
+ wlr_log(WLR_ERROR, "Failed to parse D-Bus PropertiesChanged (6) %s",
+ strerror(-ret));
+ goto error;
+ }
+
+ // PropertiesChanged 3: changed properties without values
+ sd_bus_message_enter_container(msg, 'a', "s");
+ while ((ret = sd_bus_message_read_basic(msg, 's', &s)) > 0) {
+ if (strcmp(s, "Active") == 0) {
+ sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus_message *answer = NULL;
+ ret = sd_bus_call_method(session->bus, "org.freedesktop.login1",
+ session->path, "org.freedesktop.DBus.Properties", "Get",
+ &error, &answer, "ss", "org.freedesktop.login1.Session",
+ "Active");
+ if (ret < 0) {
+ wlr_log(WLR_ERROR, "Failed to get active property: '%s' (%s)",
+ error.message, strerror(ret));
+ goto error;
+ }
+
+ parse_active(session, answer);
+ return 0;
+ }
+ }
+
+ if (ret < 0) {
+ wlr_log(WLR_ERROR, "Failed to parse D-Bus PropertiesChanged (7) %s",
+ strerror(-ret));
+ goto error;
+ }
+
+error:
+ return 0;
+}
+
static bool add_signal_matches(struct logind_session *session) {
int ret;
@@ -338,6 +473,14 @@ static bool add_signal_matches(struct logind_session *session) {
return false;
}
+ ret = sd_bus_match_signal(session->bus, NULL, "org.freedesktop.login1",
+ session->path, "org.freedesktop.DBus.Properties", "PropertiesChanged",
+ properties_changed, session);
+ if (ret < 0) {
+ wlr_log(WLR_ERROR, "Failed to add D-Bus match: %s", strerror(-ret));
+ return false;
+ }
+
return true;
}
diff --git a/include/backend/multi.h b/include/backend/multi.h
index c57c48f3..2f5f1bd4 100644
--- a/include/backend/multi.h
+++ b/include/backend/multi.h
@@ -8,6 +8,7 @@
struct wlr_multi_backend {
struct wlr_backend backend;
+ struct wlr_session *session;
struct wl_list backends;
diff --git a/include/wlr/backend.h b/include/wlr/backend.h
index 39d072e2..dfb8d2a8 100644
--- a/include/wlr/backend.h
+++ b/include/wlr/backend.h
@@ -57,5 +57,10 @@ void wlr_backend_destroy(struct wlr_backend *backend);
* Obtains the wlr_renderer reference this backend is using.
*/
struct wlr_renderer *wlr_backend_get_renderer(struct wlr_backend *backend);
+/**
+ * Obtains the wlr_session reference from this backend if there is any.
+ * Might return NULL for backends that don't use a session.
+ */
+struct wlr_session *wlr_backend_get_session(struct wlr_backend *backend);
#endif
diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h
index 5d47647d..3724adfb 100644
--- a/include/wlr/backend/drm.h
+++ b/include/wlr/backend/drm.h
@@ -34,6 +34,4 @@ bool wlr_output_is_drm(struct wlr_output *output);
typedef struct _drmModeModeInfo drmModeModeInfo;
bool wlr_drm_connector_add_mode(struct wlr_output *output, const drmModeModeInfo *mode);
-struct wlr_session *wlr_drm_backend_get_session(struct wlr_backend *backend);
-
#endif
diff --git a/include/wlr/backend/interface.h b/include/wlr/backend/interface.h
index f3dee69b..2c300709 100644
--- a/include/wlr/backend/interface.h
+++ b/include/wlr/backend/interface.h
@@ -17,6 +17,7 @@ struct wlr_backend_impl {
bool (*start)(struct wlr_backend *backend);
void (*destroy)(struct wlr_backend *backend);
struct wlr_renderer *(*get_renderer)(struct wlr_backend *backend);
+ struct wlr_session *(*get_session)(struct wlr_backend *backend);
};
/**
diff --git a/rootston/keyboard.c b/rootston/keyboard.c
index b5a8093b..b28bd773 100644
--- a/rootston/keyboard.c
+++ b/rootston/keyboard.c
@@ -5,7 +5,6 @@
#include <sys/wait.h>
#include <unistd.h>
#include <wayland-server.h>
-#include <wlr/backend/multi.h>
#include <wlr/backend/session.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/types/wlr_pointer.h>
@@ -193,14 +192,13 @@ static bool keyboard_execute_compositor_binding(struct roots_keyboard *keyboard,
if (keysym >= XKB_KEY_XF86Switch_VT_1 &&
keysym <= XKB_KEY_XF86Switch_VT_12) {
struct roots_server *server = keyboard->input->server;
- if (wlr_backend_is_multi(server->backend)) {
- struct wlr_session *session =
- wlr_multi_get_session(server->backend);
- if (session) {
- unsigned vt = keysym - XKB_KEY_XF86Switch_VT_1 + 1;
- wlr_session_change_vt(session, vt);
- }
+
+ struct wlr_session *session = wlr_backend_get_session(server->backend);
+ if (session) {
+ unsigned vt = keysym - XKB_KEY_XF86Switch_VT_1 + 1;
+ wlr_session_change_vt(session, vt);
}
+
return true;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 06:05:22 +0000