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shorthand: implement multiple backgrounds for the background shorthand

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This commit is contained in:
Cosimo Cecchi 2012-05-11 20:38:36 -04:00
parent 3cd6edeba8
commit 61c7014e3e
1 changed files with 83 additions and 25 deletions
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108
gtk/gtkcssshorthandpropertyimpl.c
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@ -457,11 +457,11 @@ parse_font (GtkCssShorthandProperty *shorthand,
}
static gboolean
parse_background (GtkCssShorthandProperty *shorthand,
GtkCssValue **values,
GtkCssParser *parser)
parse_one_background (GtkCssShorthandProperty *shorthand,
GtkCssValue **values,
GtkCssParser *parser)
{
GtkCssValue *value;
GtkCssValue *value = NULL;
do
{
@ -481,23 +481,36 @@ parse_background (GtkCssShorthandProperty *shorthand,
return FALSE;
}
values[0] = _gtk_css_array_value_new (_gtk_css_image_value_new (image));
values[0] = _gtk_css_image_value_new (image);
}
else if (values[1] == NULL &&
(value = _gtk_css_position_value_parse (parser)))
{
values[1] = value;
value = NULL;
if (_gtk_css_parser_try (parser, "/", TRUE) &&
(value = _gtk_css_bg_size_value_parse (parser)))
{
values[2] = value;
value = NULL;
}
}
else if (values[3] == NULL &&
(value = _gtk_css_background_repeat_value_try_parse (parser)))
{
values[3] = _gtk_css_array_value_new (value);
values[3] = value;
value = NULL;
}
else if ((values[4] == NULL || values[5] == NULL) &&
(value = _gtk_css_area_value_try_parse (parser)))
{
values[5] = _gtk_css_array_value_new (value);
values[4] = value;
if (values[4] == NULL)
if (values[5] == NULL)
{
values[4] = values[5];
values[5] = NULL;
values[5] = values[4];
values[4] = NULL;
}
value = NULL;
}
@ -505,24 +518,13 @@ parse_background (GtkCssShorthandProperty *shorthand,
{
value = _gtk_css_symbolic_value_new (parser);
if (value == NULL)
return FALSE;
values[6] = _gtk_css_value_ref (_gtk_css_style_property_get_initial_value
(_gtk_css_shorthand_property_get_subproperty (shorthand, 6)));
else
values[6] = value;
values[6] = _gtk_css_array_value_new (value);
value = NULL;
}
else if (values[1] == NULL &&
(value = _gtk_css_position_value_parse (parser)))
{
values[1] = _gtk_css_array_value_new (value);
value = NULL;
if (_gtk_css_parser_try (parser, "/", TRUE) &&
(value = _gtk_css_bg_size_value_parse (parser)))
{
values[2] = _gtk_css_array_value_new (value);
value = NULL;
}
}
else
{
/* We parsed everything and there's still stuff left?
@ -533,6 +535,62 @@ parse_background (GtkCssShorthandProperty *shorthand,
}
while (!value_is_done_parsing (parser));
if (values[5] != NULL && values[4] == NULL)
values[4] = _gtk_css_value_ref (values[5]);
return TRUE;
}
static gboolean
parse_background (GtkCssShorthandProperty *shorthand,
GtkCssValue **values,
GtkCssParser *parser)
{
GtkCssValue *step_values[7];
GPtrArray *arrays[6];
guint i;
for (i = 0; i < 6; i++)
{
arrays[i] = g_ptr_array_new ();
step_values[i] = NULL;
}
step_values[6] = NULL;
do {
if (!parse_one_background (shorthand, step_values, parser))
{
for (i = 0; i < 6; i++)
{
g_ptr_array_set_free_func (arrays[i], (GDestroyNotify) _gtk_css_value_unref);
g_ptr_array_unref (arrays[i]);
return FALSE;
}
}
for (i = 0; i < 6; i++)
{
if (step_values[i] == NULL)
{
GtkCssValue *initial = _gtk_css_style_property_get_initial_value (
_gtk_css_shorthand_property_get_subproperty (shorthand, i));
step_values[i] = _gtk_css_value_ref (_gtk_css_array_value_get_nth (initial, 0));
}
g_ptr_array_add (arrays[i], step_values[i]);
step_values[i] = NULL;
}
} while (_gtk_css_parser_try (parser, ",", TRUE));
for (i = 0; i < 6; i++)
{
values[i] = _gtk_css_array_value_new_from_array ((GtkCssValue **) arrays[i]->pdata, arrays[i]->len);
g_ptr_array_unref (arrays[i]);
}
values[6] = step_values[6];
return TRUE;
}