/**
* _gtk_css_lookup_resolve:
* @lookup: the lookup
* @context: the context the values are resolved for
* @values: a new #GtkCssStyle to be filled with the new properties
*
* Resolves the current lookup into a styleproperties object. This is done
* by converting from the “winning declaration” to the “computed value”.
*
* XXX: This bypasses the notion of “specified value”. If this ever becomes
* an issue, go fix it.
**/
void
_gtk_css_lookup_resolve (GtkCssLookup *lookup,
GtkStyleProviderPrivate *provider,
GtkCssStaticStyle *style,
GtkCssStyle *parent_style)
{
guint i, n;
gtk_internal_return_if_fail (lookup != NULL);
gtk_internal_return_if_fail (GTK_IS_STYLE_PROVIDER_PRIVATE (provider));
gtk_internal_return_if_fail (GTK_IS_CSS_STATIC_STYLE (style));
gtk_internal_return_if_fail (parent_style == NULL || GTK_IS_CSS_STYLE (parent_style));
n = _gtk_css_style_property_get_n_properties ();
for (i = 0; i < n; i++)
{
if (lookup->values[i].value ||
_gtk_bitmask_get (lookup->missing, i))
gtk_css_static_style_compute_value (GTK_CSS_STATIC_STYLE (style),
provider,
parent_style,
i,
lookup->values[i].value,
lookup->values[i].section);
/* else not a relevant property */
}
}
static gboolean
gtk_css_style_needs_recreation (GtkCssStyle *style,
GtkCssChange change)
{
/* Try to avoid invalidating if we can */
if (change & GTK_CSS_RADICAL_CHANGE)
return TRUE;
if (GTK_IS_CSS_ANIMATED_STYLE (style))
style = GTK_CSS_ANIMATED_STYLE (style)->style;
if (gtk_css_static_style_get_change (GTK_CSS_STATIC_STYLE (style)) & change)
return TRUE;
else
return FALSE;
}
static gboolean
may_be_stored_in_parent_cache (GtkCssStyle *style)
{
GtkCssChange change;
change = gtk_css_static_style_get_change (GTK_CSS_STATIC_STYLE (style));
/* The cache is shared between all children of the parent, so if a
* style depends on a sibling it is not independant of the child.
*/
if (change & GTK_CSS_CHANGE_ANY_SIBLING)
return FALSE;
/* Again, the cache is shared between all children of the parent.
* If the position is relevant, no child has the same style.
*/
if (change & (GTK_CSS_CHANGE_NTH_CHILD | GTK_CSS_CHANGE_NTH_LAST_CHILD))
return FALSE;
return TRUE;
}
