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styleproperty: Use a custom resolve function for colors

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We want to make sure to fall back to the initial value of the property
if resolving fails.

This is kinda tricky, because the initial value itself might need
resolving, too.
This commit is contained in:
Benjamin Otte 2012-01-03 17:59:31 +01:00
parent d10f851201
commit af8dd87867
1 changed files with 23 additions and 6 deletions
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29
gtk/gtkcssstylepropertyimpl.c
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@ -53,6 +53,9 @@ color_compute (GtkCssStyleProperty *property,
{
g_value_init (computed, GDK_TYPE_RGBA);
/* for when resolvage fails */
restart:
if (G_VALUE_HOLDS (specified, GTK_TYPE_CSS_SPECIAL_VALUE))
{
GtkStyleContext *parent = gtk_style_context_get_parent (context);
@ -65,8 +68,22 @@ color_compute (GtkCssStyleProperty *property,
context,
_gtk_css_style_property_get_initial_value (property));
}
else if (G_VALUE_HOLDS (specified, GTK_TYPE_SYMBOLIC_COLOR))
{
GdkRGBA rgba;
if (!_gtk_style_context_resolve_color (context,
g_value_get_boxed (specified),
&rgba))
{
specified = _gtk_css_style_property_get_initial_value (property);
goto restart;
}
g_value_set_boxed (computed, &rgba);
}
else
_gtk_css_style_compute_value (computed, context, specified);
g_value_copy (specified, computed);
}
static void
@ -462,7 +479,7 @@ _gtk_css_style_property_init_properties (void)
0,
NULL,
NULL,
NULL,
color_compute,
&rgba);
gtk_style_property_register ("font-family",
@ -663,28 +680,28 @@ _gtk_css_style_property_init_properties (void)
0,
NULL,
NULL,
NULL,
color_compute,
&value);
_gtk_style_property_register ("border-right-color",
GDK_TYPE_RGBA,
0,
NULL,
NULL,
NULL,
color_compute,
&value);
_gtk_style_property_register ("border-bottom-color",
GDK_TYPE_RGBA,
0,
NULL,
NULL,
NULL,
color_compute,
&value);
_gtk_style_property_register ("border-left-color",
GDK_TYPE_RGBA,
0,
NULL,
NULL,
NULL,
color_compute,
&value);
g_value_unset (&value);