1116914ea0
This way, we can remove it as a separate argument from gtk_css_value_compute() and allow computation to only depend on one thing: the style provider.
133 lines
4.3 KiB
C
133 lines
4.3 KiB
C
/* GTK - The GIMP Toolkit
|
|
* Copyright (C) 2011 Benjamin Otte <otte@gnome.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "gtkcsslookupprivate.h"
|
|
|
|
#include "gtkcssstylepropertyprivate.h"
|
|
#include "gtkcsstypesprivate.h"
|
|
#include "gtkprivatetypebuiltins.h"
|
|
|
|
GtkCssLookup *
|
|
_gtk_css_lookup_new (const GtkBitmask *relevant)
|
|
{
|
|
GtkCssLookup *lookup;
|
|
guint n = _gtk_css_style_property_get_n_properties ();
|
|
|
|
lookup = g_malloc0 (sizeof (GtkCssLookup) + sizeof (GtkCssLookupValue) * n);
|
|
|
|
if (relevant)
|
|
{
|
|
lookup->missing = _gtk_bitmask_copy (relevant);
|
|
}
|
|
else
|
|
{
|
|
lookup->missing = _gtk_bitmask_new ();
|
|
lookup->missing = _gtk_bitmask_invert_range (lookup->missing, 0, n);
|
|
}
|
|
|
|
return lookup;
|
|
}
|
|
|
|
void
|
|
_gtk_css_lookup_free (GtkCssLookup *lookup)
|
|
{
|
|
g_return_if_fail (lookup != NULL);
|
|
|
|
_gtk_bitmask_free (lookup->missing);
|
|
g_free (lookup);
|
|
}
|
|
|
|
gboolean
|
|
_gtk_css_lookup_is_missing (const GtkCssLookup *lookup,
|
|
guint id)
|
|
{
|
|
g_return_val_if_fail (lookup != NULL, FALSE);
|
|
|
|
return _gtk_bitmask_get (lookup->missing, id);
|
|
}
|
|
|
|
/**
|
|
* _gtk_css_lookup_set:
|
|
* @lookup: the lookup
|
|
* @id: id of the property to set, see _gtk_style_property_get_id()
|
|
* @section: (allow-none): The @section the value was defined in or %NULL
|
|
* @value: the “cascading value” to use
|
|
*
|
|
* Sets the @value for a given @id. No value may have been set for @id
|
|
* before. See _gtk_css_lookup_is_missing(). This function is used to
|
|
* set the “winning declaration” of a lookup. Note that for performance
|
|
* reasons @value and @section are not copied. It is your responsibility
|
|
* to ensure they are kept alive until _gtk_css_lookup_free() is called.
|
|
**/
|
|
void
|
|
_gtk_css_lookup_set (GtkCssLookup *lookup,
|
|
guint id,
|
|
GtkCssSection *section,
|
|
GtkCssValue *value)
|
|
{
|
|
g_return_if_fail (lookup != NULL);
|
|
g_return_if_fail (_gtk_bitmask_get (lookup->missing, id));
|
|
g_return_if_fail (value != NULL);
|
|
|
|
lookup->missing = _gtk_bitmask_set (lookup->missing, id, FALSE);
|
|
lookup->values[id].value = value;
|
|
lookup->values[id].section = section;
|
|
}
|
|
|
|
/**
|
|
* _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;
|
|
|
|
g_return_if_fail (lookup != NULL);
|
|
g_return_if_fail (GTK_IS_STYLE_PROVIDER_PRIVATE (provider));
|
|
g_return_if_fail (GTK_IS_CSS_STATIC_STYLE (style));
|
|
g_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 */
|
|
}
|
|
}
|