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libsysprof-gtk: return NULL unless subtracks are non-empty

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These don't really change at runtime, so we can employ this to bridge
things to GtkTreeListModel well.
This commit is contained in:
Christian Hergert
2023-06-29 15:11:02 -07:00
parent b340371055
commit 2f25fd31fe
1 changed files with 3 additions and 0 deletions
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3
src/libsysprof-gtk/sysprof-track.c
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@ -192,6 +192,9 @@ sysprof_track_list_subtracks (SysprofTrack *self)
g_return_val_if_fail (SYSPROF_IS_TRACK (self), NULL); g_return_val_if_fail (SYSPROF_IS_TRACK (self), NULL);
if (g_list_model_get_n_items (G_LIST_MODEL (priv->subtracks)) == 0)
return NULL;
return g_object_ref (G_LIST_MODEL (priv->subtracks)); return g_object_ref (G_LIST_MODEL (priv->subtracks));
} }