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/* 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 "gtkcssbordervalueprivate.h"
#include "gtkcssnumbervalueprivate.h"
struct _GtkCssValue {
GTK_CSS_VALUE_BASE
guint fill :1;
GtkCssValue *values[4];
};
static void
gtk_css_value_border_free (GtkCssValue *value)
{
guint i;
for (i = 0; i < 4; i++)
{
if (value->values[i])
_gtk_css_value_unref (value->values[i]);
}
g_slice_free (GtkCssValue, value);
}
static GtkCssValue *
gtk_css_value_border_compute (GtkCssValue *value,
guint property_id,
GtkStyleProviderPrivate *provider,
GtkCssStyle *style,
GtkCssStyle *parent_style)
{
GtkCssValue *computed;
gboolean changed = FALSE;
guint i;
computed = _gtk_css_border_value_new (NULL, NULL, NULL, NULL);
computed->fill = value->fill;
for (i = 0; i < 4; i++)
{
if (value->values[i])
{
computed->values[i] = _gtk_css_value_compute (value->values[i], property_id, provider, style, parent_style);
changed |= (computed->values[i] != value->values[i]);
}
}
if (!changed)
{
_gtk_css_value_unref (computed);
return _gtk_css_value_ref (value);
}
return computed;
}
static gboolean
gtk_css_value_border_equal (const GtkCssValue *value1,
const GtkCssValue *value2)
{
guint i;
if (value1->fill != value2->fill)
return FALSE;
for (i = 0; i < 4; i++)
{
if (!_gtk_css_value_equal0 (value1->values[i], value2->values[i]))
return FALSE;
}
return TRUE;
}
static GtkCssValue *
gtk_css_value_border_transition (GtkCssValue *start,
GtkCssValue *end,
guint property_id,
double progress)
{
return NULL;
}
static void
gtk_css_value_border_print (const GtkCssValue *value,
GString *string)
{
guint i, n;
if (!_gtk_css_value_equal0 (value->values[GTK_CSS_RIGHT], value->values[GTK_CSS_LEFT]))
n = 4;
else if (!_gtk_css_value_equal0 (value->values[GTK_CSS_TOP], value->values[GTK_CSS_BOTTOM]))
n = 3;
else if (!_gtk_css_value_equal0 (value->values[GTK_CSS_TOP], value->values[GTK_CSS_RIGHT]))
n = 2;
else
n = 1;
for (i = 0; i < n; i++)
{
if (i > 0)
g_string_append_c (string, ' ');
if (value->values[i] == NULL)
g_string_append (string, "auto");
else
_gtk_css_value_print (value->values[i], string);
}
if (value->fill)
g_string_append (string, " fill");
}
static const GtkCssValueClass GTK_CSS_VALUE_BORDER = {
gtk_css_value_border_free,
gtk_css_value_border_compute,
gtk_css_value_border_equal,
gtk_css_value_border_transition,
gtk_css_value_border_print
};
GtkCssValue *
_gtk_css_border_value_new (GtkCssValue *top,
GtkCssValue *right,
GtkCssValue *bottom,
GtkCssValue *left)
{
GtkCssValue *result;
result = _gtk_css_value_new (GtkCssValue, >K_CSS_VALUE_BORDER);
result->values[GTK_CSS_TOP] = top;
result->values[GTK_CSS_RIGHT] = right;
result->values[GTK_CSS_BOTTOM] = bottom;
result->values[GTK_CSS_LEFT] = left;
return result;
}
GtkCssValue *
_gtk_css_border_value_parse (GtkCssParser *parser,
GtkCssNumberParseFlags flags,
gboolean allow_auto,
gboolean allow_fill)
{
GtkCssValue *result;
guint i;
result = _gtk_css_border_value_new (NULL, NULL, NULL, NULL);
if (allow_fill)
result->fill = _gtk_css_parser_try (parser, "fill", TRUE);
for (i = 0; i < 4; i++)
{
if (allow_auto && _gtk_css_parser_try (parser, "auto", TRUE))
continue;
if (!_gtk_css_parser_has_number (parser))
break;
result->values[i] = _gtk_css_number_value_parse (parser, flags);
if (result->values[i] == NULL)
{
_gtk_css_value_unref (result);
return NULL;
}
}
if (i == 0)
{
_gtk_css_parser_error (parser, "Expected a number");
_gtk_css_value_unref (result);
return NULL;
}
if (allow_fill && !result->fill)
result->fill = _gtk_css_parser_try (parser, "fill", TRUE);
for (; i < 4; i++)
{
if (result->values[(i - 1) >> 1])
result->values[i] = _gtk_css_value_ref (result->values[(i - 1) >> 1]);
}
return result;
}
GtkCssValue *
_gtk_css_border_value_get_top (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == >K_CSS_VALUE_BORDER, NULL);
return value->values[GTK_CSS_TOP];
}
GtkCssValue *
_gtk_css_border_value_get_right (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == >K_CSS_VALUE_BORDER, NULL);
return value->values[GTK_CSS_RIGHT];
}
GtkCssValue *
_gtk_css_border_value_get_bottom (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == >K_CSS_VALUE_BORDER, NULL);
return value->values[GTK_CSS_BOTTOM];
}
GtkCssValue *
_gtk_css_border_value_get_left (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == >K_CSS_VALUE_BORDER, NULL);
return value->values[GTK_CSS_LEFT];
}
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