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actor: Update the underallocations check

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Add a failsafe against a NULL parent, to avoid a segfault when calling
clutter_actor_allocate() on the Stage.

We also need to deal with floating point values: straight comparison is
not going to cut it.
This commit is contained in:
Emmanuele Bassi 2011-11-24 14:11:00 +00:00 committed by Emmanuele Bassi
parent 409c3ed8ff
commit b4d3b52b62
1 changed files with 6 additions and 2 deletions
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8
clutter/clutter-actor.c
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@ -6610,14 +6610,18 @@ clutter_actor_adjust_allocation (ClutterActor *self,
#ifdef CLUTTER_ENABLE_DEBUG
/* warn about underallocations */
if ((min_width > alloc_width) || (min_height > alloc_height))
if (floorf (min_width - alloc_width) > 0 ||
floorf (min_height - alloc_height) > 0)
{
ClutterActor *parent = clutter_actor_get_parent (self);
g_warning (G_STRLOC ": The actor '%s' is getting an allocation "
"of %.2f x %.2f from its parent actor '%s', but its "
"requested minimum size is of %.2f x %.2f",
_clutter_actor_get_debug_name (self),
alloc_width, alloc_height,
_clutter_actor_get_debug_name (priv->parent_actor),
parent != NULL ? _clutter_actor_get_debug_name (parent)
: "top-level",
min_width, min_height);
}
#endif