gtk2/gtk/gtkcsscornervalue.c
Benjamin Otte 83fb7a649f css: Merge GtkStyleProviderPrivate into GtkStyleProvider
This is just lots of renaming.

The interface remains private, so the public API does not change, apart
from removing the definition of the Interface object to avoid
subclassing.
2017-10-31 04:33:54 +01:00

172 lines
4.8 KiB
C

/* GTK - The GIMP Toolkit
* Copyright (C) 2011 Red Hat, Inc.
*
* 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 "gtkcsscornervalueprivate.h"
#include "gtkcssnumbervalueprivate.h"
struct _GtkCssValue {
GTK_CSS_VALUE_BASE
GtkCssValue *x;
GtkCssValue *y;
};
static void
gtk_css_value_corner_free (GtkCssValue *value)
{
_gtk_css_value_unref (value->x);
_gtk_css_value_unref (value->y);
g_slice_free (GtkCssValue, value);
}
static GtkCssValue *
gtk_css_value_corner_compute (GtkCssValue *corner,
guint property_id,
GtkStyleProvider *provider,
GtkCssStyle *style,
GtkCssStyle *parent_style)
{
GtkCssValue *x, *y;
x = _gtk_css_value_compute (corner->x, property_id, provider, style, parent_style);
y = _gtk_css_value_compute (corner->y, property_id, provider, style, parent_style);
if (x == corner->x && y == corner->y)
{
_gtk_css_value_unref (x);
_gtk_css_value_unref (y);
return _gtk_css_value_ref (corner);
}
return _gtk_css_corner_value_new (x, y);
}
static gboolean
gtk_css_value_corner_equal (const GtkCssValue *corner1,
const GtkCssValue *corner2)
{
return _gtk_css_value_equal (corner1->x, corner2->x)
&& _gtk_css_value_equal (corner1->y, corner2->y);
}
static GtkCssValue *
gtk_css_value_corner_transition (GtkCssValue *start,
GtkCssValue *end,
guint property_id,
double progress)
{
GtkCssValue *x, *y;
x = _gtk_css_value_transition (start->x, end->x, property_id, progress);
if (x == NULL)
return NULL;
y = _gtk_css_value_transition (start->y, end->y, property_id, progress);
if (y == NULL)
{
_gtk_css_value_unref (x);
return NULL;
}
return _gtk_css_corner_value_new (x, y);
}
static void
gtk_css_value_corner_print (const GtkCssValue *corner,
GString *string)
{
_gtk_css_value_print (corner->x, string);
if (!_gtk_css_value_equal (corner->x, corner->y))
{
g_string_append_c (string, ' ');
_gtk_css_value_print (corner->y, string);
}
}
static const GtkCssValueClass GTK_CSS_VALUE_CORNER = {
gtk_css_value_corner_free,
gtk_css_value_corner_compute,
gtk_css_value_corner_equal,
gtk_css_value_corner_transition,
gtk_css_value_corner_print
};
GtkCssValue *
_gtk_css_corner_value_new (GtkCssValue *x,
GtkCssValue *y)
{
GtkCssValue *result;
result = _gtk_css_value_new (GtkCssValue, &GTK_CSS_VALUE_CORNER);
result->x = x;
result->y = y;
return result;
}
GtkCssValue *
_gtk_css_corner_value_parse (GtkCssParser *parser)
{
GtkCssValue *x, *y;
x = _gtk_css_number_value_parse (parser,
GTK_CSS_POSITIVE_ONLY
| GTK_CSS_PARSE_PERCENT
| GTK_CSS_PARSE_LENGTH);
if (x == NULL)
return NULL;
if (!gtk_css_number_value_can_parse (parser))
y = _gtk_css_value_ref (x);
else
{
y = _gtk_css_number_value_parse (parser,
GTK_CSS_POSITIVE_ONLY
| GTK_CSS_PARSE_PERCENT
| GTK_CSS_PARSE_LENGTH);
if (y == NULL)
{
_gtk_css_value_unref (x);
return NULL;
}
}
return _gtk_css_corner_value_new (x, y);
}
double
_gtk_css_corner_value_get_x (const GtkCssValue *corner,
double one_hundred_percent)
{
g_return_val_if_fail (corner != NULL, 0.0);
g_return_val_if_fail (corner->class == &GTK_CSS_VALUE_CORNER, 0.0);
return _gtk_css_number_value_get (corner->x, one_hundred_percent);
}
double
_gtk_css_corner_value_get_y (const GtkCssValue *corner,
double one_hundred_percent)
{
g_return_val_if_fail (corner != NULL, 0.0);
g_return_val_if_fail (corner->class == &GTK_CSS_VALUE_CORNER, 0.0);
return _gtk_css_number_value_get (corner->y, one_hundred_percent);
}