diff options
| -rw-r--r-- | backend/session/session.c | 25 | ||||
| -rw-r--r-- | include/wlr/backend/session.h | 18 |
2 files changed, 41 insertions, 2 deletions
diff --git a/backend/session/session.c b/backend/session/session.c index b98f503d..382f3d60 100644 --- a/backend/session/session.c +++ b/backend/session/session.c @@ -139,6 +139,27 @@ static bool is_drm_card(const char *sysname) { return true; } +static void read_udev_change_event(struct wlr_device_change_event *event, + struct udev_device *udev_dev) { + const char *hotplug = udev_device_get_property_value(udev_dev, "HOTPLUG"); + if (hotplug != NULL && strcmp(hotplug, "1") == 0) { + event->type = WLR_DEVICE_HOTPLUG; + struct wlr_device_hotplug_event *hotplug = &event->hotplug; + + const char *connector = + udev_device_get_property_value(udev_dev, "CONNECTOR"); + if (connector != NULL) { + hotplug->connector_id = strtoul(connector, NULL, 10); + } + + const char *prop = + udev_device_get_property_value(udev_dev, "PROPERTY"); + if (prop != NULL) { + hotplug->prop_id = strtoul(prop, NULL, 10); + } + } +} + static int handle_udev_event(int fd, uint32_t mask, void *data) { struct wlr_session *session = data; @@ -180,7 +201,9 @@ static int handle_udev_event(int fd, uint32_t mask, void *data) { if (strcmp(action, "change") == 0) { wlr_log(WLR_DEBUG, "DRM device %s changed", sysname); - wlr_signal_emit_safe(&dev->events.change, NULL); + struct wlr_device_change_event event = {0}; + read_udev_change_event(&event, udev_dev); + wlr_signal_emit_safe(&dev->events.change, &event); } else if (strcmp(action, "remove") == 0) { wlr_log(WLR_DEBUG, "DRM device %s removed", sysname); wlr_signal_emit_safe(&dev->events.remove, NULL); diff --git a/include/wlr/backend/session.h b/include/wlr/backend/session.h index 0107ea36..7d34bfeb 100644 --- a/include/wlr/backend/session.h +++ b/include/wlr/backend/session.h @@ -15,7 +15,7 @@ struct wlr_device { struct wl_list link; struct { - struct wl_signal change; + struct wl_signal change; // struct wlr_device_change_event struct wl_signal remove; } events; }; @@ -57,6 +57,22 @@ struct wlr_session_add_event { const char *path; }; +enum wlr_device_change_type { + WLR_DEVICE_HOTPLUG = 1, +}; + +struct wlr_device_hotplug_event { + uint32_t connector_id; + uint32_t prop_id; +}; + +struct wlr_device_change_event { + enum wlr_device_change_type type; + union { + struct wlr_device_hotplug_event hotplug; + }; +}; + /* * Opens a session, taking control of the current virtual terminal. * This should not be called if another program is already in control |