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@ -55,19 +55,37 @@ static int udev_event(int fd, uint32_t mask, void *data) {
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}
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const char *sysname = udev_device_get_sysname(udev_dev);
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const char *devnode = udev_device_get_devnode(udev_dev);
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const char *action = udev_device_get_action(udev_dev);
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wlr_log(WLR_DEBUG, "udev event for %s (%s)", sysname, action);
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if (!is_drm_card(sysname) || !action || strcmp(action, "change") != 0) {
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if (!is_drm_card(sysname) || !action || !devnode) {
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goto out;
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}
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dev_t devnum = udev_device_get_devnum(udev_dev);
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struct wlr_device *dev;
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wl_list_for_each(dev, &session->devices, link) {
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if (dev->dev == devnum) {
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wlr_signal_emit_safe(&dev->events.change, NULL);
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break;
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const char *seat = udev_device_get_property_value(udev_dev, "ID_SEAT");
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if (!seat) {
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seat = "seat0";
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}
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if (session->seat[0] != '\0' && strcmp(session->seat, seat) != 0) {
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goto out;
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}
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if (strcmp(action, "add") == 0) {
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wlr_log(WLR_DEBUG, "DRM device %s added", sysname);
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struct wlr_session_add_event event = {
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.path = devnode,
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};
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wlr_signal_emit_safe(&session->events.add_drm_card, &event);
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} else if (strcmp(action, "change") == 0) {
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dev_t devnum = udev_device_get_devnum(udev_dev);
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struct wlr_device *dev;
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wl_list_for_each(dev, &session->devices, link) {
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if (dev->dev == devnum) {
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wlr_log(WLR_DEBUG, "DRM device %s changed", sysname);
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wlr_signal_emit_safe(&dev->events.change, NULL);
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break;
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}
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}
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}
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@ -84,6 +102,7 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
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void session_init(struct wlr_session *session) {
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wl_signal_init(&session->session_signal);
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wl_signal_init(&session->events.add_drm_card);
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wl_signal_init(&session->events.destroy);
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wl_list_init(&session->devices);
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}
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