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gtk2/gtk/gtkcssenumvalue.c
Benjamin Otte 76fb80f46c cssparser: Introduce gtk_css_parser_try_ident() 
... and gtk_css_parser_has_function().
2019-04-12 19:34:28 +02:00

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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 "gtkcssenumvalueprivate.h"
#include "gtkcssstyleprivate.h"
#include "gtkcssnumbervalueprivate.h"
#include "gtkstyleproviderprivate.h"
#include "gtksettingsprivate.h"
#ifdef _MSC_VER
# include <intrin.h>
#endif
/* repeated API */
struct _GtkCssValue {
GTK_CSS_VALUE_BASE
int value;
const char *name;
};
static void
gtk_css_value_enum_free (GtkCssValue *value)
{
g_slice_free (GtkCssValue, value);
}
static GtkCssValue *
gtk_css_value_enum_compute (GtkCssValue *value,
guint property_id,
GtkStyleProvider *provider,
GtkCssStyle *style,
GtkCssStyle *parent_style)
{
return _gtk_css_value_ref (value);
}
static gboolean
gtk_css_value_enum_equal (const GtkCssValue *enum1,
const GtkCssValue *enum2)
{
return enum1 == enum2;
}
static GtkCssValue *
gtk_css_value_enum_transition (GtkCssValue *start,
GtkCssValue *end,
guint property_id,
double progress)
{
return NULL;
}
static void
gtk_css_value_enum_print (const GtkCssValue *value,
GString *string)
{
g_string_append (string, value->name);
}
/* GtkBorderStyle */
static const GtkCssValueClass GTK_CSS_VALUE_BORDER_STYLE = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue border_style_values[] = {
{ &GTK_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_NONE, "none" },
{ &GTK_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_SOLID, "solid" },
{ &GTK_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_INSET, "inset" },
{ &GTK_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_OUTSET, "outset" },
{ &GTK_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_HIDDEN, "hidden" },
{ &GTK_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_DOTTED, "dotted" },
{ &GTK_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_DASHED, "dashed" },
{ &GTK_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_DOUBLE, "double" },
{ &GTK_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_GROOVE, "groove" },
{ &GTK_CSS_VALUE_BORDER_STYLE, 1, GTK_BORDER_STYLE_RIDGE, "ridge" }
};
GtkCssValue *
_gtk_css_border_style_value_new (GtkBorderStyle border_style)
{
g_return_val_if_fail (border_style < G_N_ELEMENTS (border_style_values), NULL);
return _gtk_css_value_ref (&border_style_values[border_style]);
}
GtkCssValue *
_gtk_css_border_style_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (border_style_values); i++)
{
if (gtk_css_parser_try_ident (parser, border_style_values[i].name))
return _gtk_css_value_ref (&border_style_values[i]);
}
return NULL;
}
GtkBorderStyle
_gtk_css_border_style_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_BORDER_STYLE, GTK_BORDER_STYLE_NONE);
return value->value;
}
/* GtkCssBlendMode */
static const GtkCssValueClass GTK_CSS_VALUE_BLEND_MODE = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue blend_mode_values[] = {
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_DEFAULT, "normal" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_MULTIPLY, "multiply" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_SCREEN, "screen" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_OVERLAY, "overlay" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_DARKEN, "darken" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_LIGHTEN, "lighten" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_COLOR_DODGE, "color-dodge" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_COLOR_BURN, "color-burn" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_HARD_LIGHT, "hard-light" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_SOFT_LIGHT, "soft-light" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_DIFFERENCE, "difference" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_EXCLUSION, "exclusion" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_COLOR, "color" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_HUE, "hue" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_SATURATION, "saturation" },
{ &GTK_CSS_VALUE_BLEND_MODE, 1, GSK_BLEND_MODE_LUMINOSITY, "luminosity" }
};
GtkCssValue *
_gtk_css_blend_mode_value_new (GskBlendMode blend_mode)
{
g_return_val_if_fail (blend_mode < G_N_ELEMENTS (blend_mode_values), NULL);
return _gtk_css_value_ref (&blend_mode_values[blend_mode]);
}
GtkCssValue *
_gtk_css_blend_mode_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (blend_mode_values); i++)
{
if (gtk_css_parser_try_ident (parser, blend_mode_values[i].name))
return _gtk_css_value_ref (&blend_mode_values[i]);
}
return NULL;
}
GskBlendMode
_gtk_css_blend_mode_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_BLEND_MODE, GSK_BLEND_MODE_DEFAULT);
return value->value;
}
/* GtkCssFontSize */
static double
get_dpi (GtkCssStyle *style)
{
return _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_DPI), 96);
}
/* XXX: Kinda bad to have that machinery here, nobody expects vital font
* size code to appear in gtkcssvalueenum.c.
*/
#define DEFAULT_FONT_SIZE_PT 10
double
gtk_css_font_size_get_default_px (GtkStyleProvider *provider,
GtkCssStyle *style)
{
GtkSettings *settings;
int font_size;
settings = gtk_style_provider_get_settings (provider);
if (settings == NULL)
return DEFAULT_FONT_SIZE_PT * get_dpi (style) / 72.0;
font_size = gtk_settings_get_font_size (settings);
if (font_size == 0)
return DEFAULT_FONT_SIZE_PT * get_dpi (style) / 72.0;
else if (gtk_settings_get_font_size_is_absolute (settings))
return (double) font_size / PANGO_SCALE;
else
return ((double) font_size / PANGO_SCALE) * get_dpi (style) / 72.0;
}
static GtkCssValue *
gtk_css_value_font_size_compute (GtkCssValue *value,
guint property_id,
GtkStyleProvider *provider,
GtkCssStyle *style,
GtkCssStyle *parent_style)
{
double font_size;
switch (value->value)
{
case GTK_CSS_FONT_SIZE_XX_SMALL:
font_size = gtk_css_font_size_get_default_px (provider, style) * 3. / 5;
break;
case GTK_CSS_FONT_SIZE_X_SMALL:
font_size = gtk_css_font_size_get_default_px (provider, style) * 3. / 4;
break;
case GTK_CSS_FONT_SIZE_SMALL:
font_size = gtk_css_font_size_get_default_px (provider, style) * 8. / 9;
break;
default:
g_assert_not_reached ();
/* fall thru */
case GTK_CSS_FONT_SIZE_MEDIUM:
font_size = gtk_css_font_size_get_default_px (provider, style);
break;
case GTK_CSS_FONT_SIZE_LARGE:
font_size = gtk_css_font_size_get_default_px (provider, style) * 6. / 5;
break;
case GTK_CSS_FONT_SIZE_X_LARGE:
font_size = gtk_css_font_size_get_default_px (provider, style) * 3. / 2;
break;
case GTK_CSS_FONT_SIZE_XX_LARGE:
font_size = gtk_css_font_size_get_default_px (provider, style) * 2;
break;
case GTK_CSS_FONT_SIZE_SMALLER:
if (parent_style)
font_size = _gtk_css_number_value_get (gtk_css_style_get_value (parent_style, GTK_CSS_PROPERTY_FONT_SIZE), 100);
else
font_size = gtk_css_font_size_get_default_px (provider, style);
/* XXX: This is what WebKit does... */
font_size /= 1.2;
break;
case GTK_CSS_FONT_SIZE_LARGER:
if (parent_style)
font_size = _gtk_css_number_value_get (gtk_css_style_get_value (parent_style, GTK_CSS_PROPERTY_FONT_SIZE), 100);
else
font_size = gtk_css_font_size_get_default_px (provider, style);
/* XXX: This is what WebKit does... */
font_size *= 1.2;
break;
}
return _gtk_css_number_value_new (font_size, GTK_CSS_PX);
}
static const GtkCssValueClass GTK_CSS_VALUE_FONT_SIZE = {
gtk_css_value_enum_free,
gtk_css_value_font_size_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue font_size_values[] = {
{ &GTK_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_SMALLER, "smaller" },
{ &GTK_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_LARGER, "larger" },
{ &GTK_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_XX_SMALL, "xx-small" },
{ &GTK_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_X_SMALL, "x-small" },
{ &GTK_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_SMALL, "small" },
{ &GTK_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_MEDIUM, "medium" },
{ &GTK_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_LARGE, "large" },
{ &GTK_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_X_LARGE, "x-large" },
{ &GTK_CSS_VALUE_FONT_SIZE, 1, GTK_CSS_FONT_SIZE_XX_LARGE, "xx-large" }
};
GtkCssValue *
_gtk_css_font_size_value_new (GtkCssFontSize font_size)
{
g_return_val_if_fail (font_size < G_N_ELEMENTS (font_size_values), NULL);
return _gtk_css_value_ref (&font_size_values[font_size]);
}
GtkCssValue *
_gtk_css_font_size_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (font_size_values); i++)
{
if (gtk_css_parser_try_ident (parser, font_size_values[i].name))
return _gtk_css_value_ref (&font_size_values[i]);
}
return NULL;
}
GtkCssFontSize
_gtk_css_font_size_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_FONT_SIZE, GTK_CSS_FONT_SIZE_MEDIUM);
return value->value;
}
/* PangoStyle */
static const GtkCssValueClass GTK_CSS_VALUE_FONT_STYLE = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue font_style_values[] = {
{ &GTK_CSS_VALUE_FONT_STYLE, 1, PANGO_STYLE_NORMAL, "normal" },
{ &GTK_CSS_VALUE_FONT_STYLE, 1, PANGO_STYLE_OBLIQUE, "oblique" },
{ &GTK_CSS_VALUE_FONT_STYLE, 1, PANGO_STYLE_ITALIC, "italic" }
};
GtkCssValue *
_gtk_css_font_style_value_new (PangoStyle font_style)
{
g_return_val_if_fail (font_style < G_N_ELEMENTS (font_style_values), NULL);
return _gtk_css_value_ref (&font_style_values[font_style]);
}
GtkCssValue *
_gtk_css_font_style_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (font_style_values); i++)
{
if (gtk_css_parser_try_ident (parser, font_style_values[i].name))
return _gtk_css_value_ref (&font_style_values[i]);
}
return NULL;
}
PangoStyle
_gtk_css_font_style_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_FONT_STYLE, PANGO_STYLE_NORMAL);
return value->value;
}
/* PangoWeight */
#define BOLDER -1
#define LIGHTER -2
static GtkCssValue *
gtk_css_value_font_weight_compute (GtkCssValue *value,
guint property_id,
GtkStyleProvider *provider,
GtkCssStyle *style,
GtkCssStyle *parent_style)
{
PangoWeight new_weight;
int parent_value;
if (value->value >= 0)
return _gtk_css_value_ref (value);
if (parent_style)
parent_value = gtk_css_style_get_value (parent_style, property_id)->value;
else
parent_value = 400;
if (value->value == BOLDER)
{
if (parent_value < 400)
new_weight = PANGO_WEIGHT_NORMAL;
else if (parent_value < 600)
new_weight = PANGO_WEIGHT_BOLD;
else
new_weight = PANGO_WEIGHT_HEAVY;
}
else if (value->value == LIGHTER)
{
if (parent_value > 700)
new_weight = PANGO_WEIGHT_BOLD;
else if (parent_value > 500)
new_weight = PANGO_WEIGHT_NORMAL;
else
new_weight = PANGO_WEIGHT_THIN;
}
else
{
g_assert_not_reached ();
new_weight = PANGO_WEIGHT_NORMAL;
}
return _gtk_css_font_weight_value_new (new_weight);
}
static GtkCssValue *
gtk_css_value_font_weight_transition (GtkCssValue *start,
GtkCssValue *end,
guint property_id,
double progress)
{
PangoWeight new_weight;
if (start->value < 0 || end->value < 0)
return NULL;
new_weight = (start->value + end->value + 50) / 200 * 100;
return _gtk_css_font_weight_value_new (new_weight);
}
static const GtkCssValueClass GTK_CSS_VALUE_FONT_WEIGHT = {
gtk_css_value_enum_free,
gtk_css_value_font_weight_compute,
gtk_css_value_enum_equal,
gtk_css_value_font_weight_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue font_weight_values[] = {
{ &GTK_CSS_VALUE_FONT_WEIGHT, 1, BOLDER, "bolder" },
{ &GTK_CSS_VALUE_FONT_WEIGHT, 1, LIGHTER, "lighter" },
{ &GTK_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_THIN, "100" },
{ &GTK_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_ULTRALIGHT, "200" },
{ &GTK_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_LIGHT, "300" },
{ &GTK_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_NORMAL, "normal" },
{ &GTK_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_MEDIUM, "500" },
{ &GTK_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_SEMIBOLD, "600" },
{ &GTK_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_BOLD, "bold" },
{ &GTK_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_ULTRABOLD, "800" },
{ &GTK_CSS_VALUE_FONT_WEIGHT, 1, PANGO_WEIGHT_HEAVY, "900" }
};
GtkCssValue *
_gtk_css_font_weight_value_new (PangoWeight font_weight)
{
guint i;
gint w;
w = ((font_weight + 50) / 100) * 100;
for (i = 2; i < G_N_ELEMENTS (font_weight_values); i++)
{
if (font_weight_values[i].value == w)
return _gtk_css_value_ref (&font_weight_values[i]);
}
g_return_val_if_reached (NULL);
}
GtkCssValue *
_gtk_css_font_weight_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (font_weight_values); i++)
{
if (_gtk_css_parser_try (parser, font_weight_values[i].name, TRUE))
return _gtk_css_value_ref (&font_weight_values[i]);
}
/* special cases go here */
if (_gtk_css_parser_try (parser, "400", TRUE))
return _gtk_css_value_ref (&font_weight_values[5]);
if (_gtk_css_parser_try (parser, "700", TRUE))
return _gtk_css_value_ref (&font_weight_values[8]);
return NULL;
}
PangoWeight
_gtk_css_font_weight_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_FONT_WEIGHT, PANGO_WEIGHT_NORMAL);
return value->value;
}
#undef BOLDER
#undef LIGHTER
/* PangoStretch */
static const GtkCssValueClass GTK_CSS_VALUE_FONT_STRETCH = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue font_stretch_values[] = {
{ &GTK_CSS_VALUE_FONT_STRETCH, 1, PANGO_STRETCH_ULTRA_CONDENSED, "ultra-condensed" },
{ &GTK_CSS_VALUE_FONT_STRETCH, 1, PANGO_STRETCH_EXTRA_CONDENSED, "extra-condensed" },
{ &GTK_CSS_VALUE_FONT_STRETCH, 1, PANGO_STRETCH_CONDENSED, "condensed" },
{ &GTK_CSS_VALUE_FONT_STRETCH, 1, PANGO_STRETCH_SEMI_CONDENSED, "semi-condensed" },
{ &GTK_CSS_VALUE_FONT_STRETCH, 1, PANGO_STRETCH_NORMAL, "normal" },
{ &GTK_CSS_VALUE_FONT_STRETCH, 1, PANGO_STRETCH_SEMI_EXPANDED, "semi-expanded" },
{ &GTK_CSS_VALUE_FONT_STRETCH, 1, PANGO_STRETCH_EXPANDED, "expanded" },
{ &GTK_CSS_VALUE_FONT_STRETCH, 1, PANGO_STRETCH_EXTRA_EXPANDED, "extra-expanded" },
{ &GTK_CSS_VALUE_FONT_STRETCH, 1, PANGO_STRETCH_ULTRA_EXPANDED, "ultra-expanded" },
};
GtkCssValue *
_gtk_css_font_stretch_value_new (PangoStretch font_stretch)
{
g_return_val_if_fail (font_stretch < G_N_ELEMENTS (font_stretch_values), NULL);
return _gtk_css_value_ref (&font_stretch_values[font_stretch]);
}
GtkCssValue *
_gtk_css_font_stretch_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (font_stretch_values); i++)
{
if (gtk_css_parser_try_ident (parser, font_stretch_values[i].name))
return _gtk_css_value_ref (&font_stretch_values[i]);
}
return NULL;
}
PangoStretch
_gtk_css_font_stretch_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_FONT_STRETCH, PANGO_STRETCH_NORMAL);
return value->value;
}
/* GtkTextDecorationLine */
static const GtkCssValueClass GTK_CSS_VALUE_TEXT_DECORATION_LINE = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue text_decoration_line_values[] = {
{ &GTK_CSS_VALUE_TEXT_DECORATION_LINE, 1, GTK_CSS_TEXT_DECORATION_LINE_NONE, "none" },
{ &GTK_CSS_VALUE_TEXT_DECORATION_LINE, 1, GTK_CSS_TEXT_DECORATION_LINE_UNDERLINE, "underline" },
{ &GTK_CSS_VALUE_TEXT_DECORATION_LINE, 1, GTK_CSS_TEXT_DECORATION_LINE_LINE_THROUGH, "line-through" },
};
GtkCssValue *
_gtk_css_text_decoration_line_value_new (GtkTextDecorationLine line)
{
g_return_val_if_fail (line < G_N_ELEMENTS (text_decoration_line_values), NULL);
return _gtk_css_value_ref (&text_decoration_line_values[line]);
}
GtkCssValue *
_gtk_css_text_decoration_line_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (text_decoration_line_values); i++)
{
if (gtk_css_parser_try_ident (parser, text_decoration_line_values[i].name))
return _gtk_css_value_ref (&text_decoration_line_values[i]);
}
return NULL;
}
GtkTextDecorationLine
_gtk_css_text_decoration_line_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_TEXT_DECORATION_LINE, GTK_CSS_TEXT_DECORATION_LINE_NONE);
return value->value;
}
/* GtkTextDecorationStyle */
static const GtkCssValueClass GTK_CSS_VALUE_TEXT_DECORATION_STYLE = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue text_decoration_style_values[] = {
{ &GTK_CSS_VALUE_TEXT_DECORATION_STYLE, 1, GTK_CSS_TEXT_DECORATION_STYLE_SOLID, "solid" },
{ &GTK_CSS_VALUE_TEXT_DECORATION_STYLE, 1, GTK_CSS_TEXT_DECORATION_STYLE_DOUBLE, "double" },
{ &GTK_CSS_VALUE_TEXT_DECORATION_STYLE, 1, GTK_CSS_TEXT_DECORATION_STYLE_WAVY, "wavy" },
};
GtkCssValue *
_gtk_css_text_decoration_style_value_new (GtkTextDecorationStyle style)
{
g_return_val_if_fail (style < G_N_ELEMENTS (text_decoration_style_values), NULL);
return _gtk_css_value_ref (&text_decoration_style_values[style]);
}
GtkCssValue *
_gtk_css_text_decoration_style_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (text_decoration_style_values); i++)
{
if (gtk_css_parser_try_ident (parser, text_decoration_style_values[i].name))
return _gtk_css_value_ref (&text_decoration_style_values[i]);
}
return NULL;
}
GtkTextDecorationStyle
_gtk_css_text_decoration_style_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_TEXT_DECORATION_STYLE, GTK_CSS_TEXT_DECORATION_STYLE_SOLID);
return value->value;
}
/* GtkCssArea */
static const GtkCssValueClass GTK_CSS_VALUE_AREA = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue area_values[] = {
{ &GTK_CSS_VALUE_AREA, 1, GTK_CSS_AREA_BORDER_BOX, "border-box" },
{ &GTK_CSS_VALUE_AREA, 1, GTK_CSS_AREA_PADDING_BOX, "padding-box" },
{ &GTK_CSS_VALUE_AREA, 1, GTK_CSS_AREA_CONTENT_BOX, "content-box" }
};
GtkCssValue *
_gtk_css_area_value_new (GtkCssArea area)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (area_values); i++)
{
if (area_values[i].value == area)
return _gtk_css_value_ref (&area_values[i]);
}
g_return_val_if_reached (NULL);
}
GtkCssValue *
_gtk_css_area_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (area_values); i++)
{
if (gtk_css_parser_try_ident (parser, area_values[i].name))
return _gtk_css_value_ref (&area_values[i]);
}
return NULL;
}
GtkCssArea
_gtk_css_area_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_AREA, GTK_CSS_AREA_BORDER_BOX);
return value->value;
}
/* GtkCssDirection */
static const GtkCssValueClass GTK_CSS_VALUE_DIRECTION = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue direction_values[] = {
{ &GTK_CSS_VALUE_DIRECTION, 1, GTK_CSS_DIRECTION_NORMAL, "normal" },
{ &GTK_CSS_VALUE_DIRECTION, 1, GTK_CSS_DIRECTION_REVERSE, "reverse" },
{ &GTK_CSS_VALUE_DIRECTION, 1, GTK_CSS_DIRECTION_ALTERNATE, "alternate" },
{ &GTK_CSS_VALUE_DIRECTION, 1, GTK_CSS_DIRECTION_ALTERNATE_REVERSE, "alternate-reverse" }
};
GtkCssValue *
_gtk_css_direction_value_new (GtkCssDirection direction)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (direction_values); i++)
{
if (direction_values[i].value == direction)
return _gtk_css_value_ref (&direction_values[i]);
}
g_return_val_if_reached (NULL);
}
GtkCssValue *
_gtk_css_direction_value_try_parse (GtkCssParser *parser)
{
int i;
g_return_val_if_fail (parser != NULL, NULL);
/* need to parse backwards here, otherwise "alternate" will also match "alternate-reverse".
* Our parser rocks!
*/
for (i = G_N_ELEMENTS (direction_values) - 1; i >= 0; i--)
{
if (gtk_css_parser_try_ident (parser, direction_values[i].name))
return _gtk_css_value_ref (&direction_values[i]);
}
return NULL;
}
GtkCssDirection
_gtk_css_direction_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_DIRECTION, GTK_CSS_DIRECTION_NORMAL);
return value->value;
}
/* GtkCssPlayState */
static const GtkCssValueClass GTK_CSS_VALUE_PLAY_STATE = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue play_state_values[] = {
{ &GTK_CSS_VALUE_PLAY_STATE, 1, GTK_CSS_PLAY_STATE_RUNNING, "running" },
{ &GTK_CSS_VALUE_PLAY_STATE, 1, GTK_CSS_PLAY_STATE_PAUSED, "paused" }
};
GtkCssValue *
_gtk_css_play_state_value_new (GtkCssPlayState play_state)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (play_state_values); i++)
{
if (play_state_values[i].value == play_state)
return _gtk_css_value_ref (&play_state_values[i]);
}
g_return_val_if_reached (NULL);
}
GtkCssValue *
_gtk_css_play_state_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (play_state_values); i++)
{
if (gtk_css_parser_try_ident (parser, play_state_values[i].name))
return _gtk_css_value_ref (&play_state_values[i]);
}
return NULL;
}
GtkCssPlayState
_gtk_css_play_state_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_PLAY_STATE, GTK_CSS_PLAY_STATE_RUNNING);
return value->value;
}
/* GtkCssFillMode */
static const GtkCssValueClass GTK_CSS_VALUE_FILL_MODE = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue fill_mode_values[] = {
{ &GTK_CSS_VALUE_FILL_MODE, 1, GTK_CSS_FILL_NONE, "none" },
{ &GTK_CSS_VALUE_FILL_MODE, 1, GTK_CSS_FILL_FORWARDS, "forwards" },
{ &GTK_CSS_VALUE_FILL_MODE, 1, GTK_CSS_FILL_BACKWARDS, "backwards" },
{ &GTK_CSS_VALUE_FILL_MODE, 1, GTK_CSS_FILL_BOTH, "both" }
};
GtkCssValue *
_gtk_css_fill_mode_value_new (GtkCssFillMode fill_mode)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (fill_mode_values); i++)
{
if (fill_mode_values[i].value == fill_mode)
return _gtk_css_value_ref (&fill_mode_values[i]);
}
g_return_val_if_reached (NULL);
}
GtkCssValue *
_gtk_css_fill_mode_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (fill_mode_values); i++)
{
if (gtk_css_parser_try_ident (parser, fill_mode_values[i].name))
return _gtk_css_value_ref (&fill_mode_values[i]);
}
return NULL;
}
GtkCssFillMode
_gtk_css_fill_mode_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_FILL_MODE, GTK_CSS_FILL_NONE);
return value->value;
}
/* GtkCssIconStyle */
static const GtkCssValueClass GTK_CSS_VALUE_ICON_STYLE = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue icon_style_values[] = {
{ &GTK_CSS_VALUE_ICON_STYLE, 1, GTK_CSS_ICON_STYLE_REQUESTED, "requested" },
{ &GTK_CSS_VALUE_ICON_STYLE, 1, GTK_CSS_ICON_STYLE_REGULAR, "regular" },
{ &GTK_CSS_VALUE_ICON_STYLE, 1, GTK_CSS_ICON_STYLE_SYMBOLIC, "symbolic" }
};
GtkCssValue *
_gtk_css_icon_style_value_new (GtkCssIconStyle icon_style)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (icon_style_values); i++)
{
if (icon_style_values[i].value == icon_style)
return _gtk_css_value_ref (&icon_style_values[i]);
}
g_return_val_if_reached (NULL);
}
GtkCssValue *
_gtk_css_icon_style_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (icon_style_values); i++)
{
if (gtk_css_parser_try_ident (parser, icon_style_values[i].name))
return _gtk_css_value_ref (&icon_style_values[i]);
}
return NULL;
}
GtkCssIconStyle
_gtk_css_icon_style_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_ICON_STYLE, GTK_CSS_ICON_STYLE_REQUESTED);
return value->value;
}
/* GtkCssFontKerning */
static const GtkCssValueClass GTK_CSS_VALUE_FONT_KERNING = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue font_kerning_values[] = {
{ &GTK_CSS_VALUE_FONT_KERNING, 1, GTK_CSS_FONT_KERNING_AUTO, "auto" },
{ &GTK_CSS_VALUE_FONT_KERNING, 1, GTK_CSS_FONT_KERNING_NORMAL, "normal" },
{ &GTK_CSS_VALUE_FONT_KERNING, 1, GTK_CSS_FONT_KERNING_NONE, "none" }
};
GtkCssValue *
_gtk_css_font_kerning_value_new (GtkCssFontKerning kerning)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (font_kerning_values); i++)
{
if (font_kerning_values[i].value == kerning)
return _gtk_css_value_ref (&font_kerning_values[i]);
}
g_return_val_if_reached (NULL);
}
GtkCssValue *
_gtk_css_font_kerning_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (font_kerning_values); i++)
{
if (gtk_css_parser_try_ident (parser, font_kerning_values[i].name))
return _gtk_css_value_ref (&font_kerning_values[i]);
}
return NULL;
}
GtkCssFontKerning
_gtk_css_font_kerning_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_FONT_KERNING, GTK_CSS_FONT_KERNING_AUTO);
return value->value;
}
/* GtkCssFontVariantPos */
static const GtkCssValueClass GTK_CSS_VALUE_FONT_VARIANT_POSITION = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue font_variant_position_values[] = {
{ &GTK_CSS_VALUE_FONT_VARIANT_POSITION, 1, GTK_CSS_FONT_VARIANT_POSITION_NORMAL, "normal" },
{ &GTK_CSS_VALUE_FONT_VARIANT_POSITION, 1, GTK_CSS_FONT_VARIANT_POSITION_SUB, "sub" },
{ &GTK_CSS_VALUE_FONT_VARIANT_POSITION, 1, GTK_CSS_FONT_VARIANT_POSITION_SUPER, "super" }
};
GtkCssValue *
_gtk_css_font_variant_position_value_new (GtkCssFontVariantPosition position)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (font_variant_position_values); i++)
{
if (font_variant_position_values[i].value == position)
return _gtk_css_value_ref (&font_variant_position_values[i]);
}
g_return_val_if_reached (NULL);
}
GtkCssValue *
_gtk_css_font_variant_position_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (font_variant_position_values); i++)
{
if (gtk_css_parser_try_ident (parser, font_variant_position_values[i].name))
return _gtk_css_value_ref (&font_variant_position_values[i]);
}
return NULL;
}
GtkCssFontVariantPosition
_gtk_css_font_variant_position_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_FONT_VARIANT_POSITION, GTK_CSS_FONT_VARIANT_POSITION_NORMAL);
return value->value;
}
/* GtkCssFontVariantCaps */
static const GtkCssValueClass GTK_CSS_VALUE_FONT_VARIANT_CAPS = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue font_variant_caps_values[] = {
{ &GTK_CSS_VALUE_FONT_VARIANT_CAPS, 1, GTK_CSS_FONT_VARIANT_CAPS_NORMAL, "normal" },
{ &GTK_CSS_VALUE_FONT_VARIANT_CAPS, 1, GTK_CSS_FONT_VARIANT_CAPS_SMALL_CAPS, "small-caps" },
{ &GTK_CSS_VALUE_FONT_VARIANT_CAPS, 1, GTK_CSS_FONT_VARIANT_CAPS_ALL_SMALL_CAPS, "all-small-caps" },
{ &GTK_CSS_VALUE_FONT_VARIANT_CAPS, 1, GTK_CSS_FONT_VARIANT_CAPS_PETITE_CAPS, "petite-caps" },
{ &GTK_CSS_VALUE_FONT_VARIANT_CAPS, 1, GTK_CSS_FONT_VARIANT_CAPS_ALL_PETITE_CAPS, "all-petite-caps" },
{ &GTK_CSS_VALUE_FONT_VARIANT_CAPS, 1, GTK_CSS_FONT_VARIANT_CAPS_UNICASE, "unicase" },
{ &GTK_CSS_VALUE_FONT_VARIANT_CAPS, 1, GTK_CSS_FONT_VARIANT_CAPS_TITLING_CAPS, "titling-caps" }
};
GtkCssValue *
_gtk_css_font_variant_caps_value_new (GtkCssFontVariantCaps caps)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (font_variant_caps_values); i++)
{
if (font_variant_caps_values[i].value == caps)
return _gtk_css_value_ref (&font_variant_caps_values[i]);
}
g_return_val_if_reached (NULL);
}
GtkCssValue *
_gtk_css_font_variant_caps_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (font_variant_caps_values); i++)
{
if (gtk_css_parser_try_ident (parser, font_variant_caps_values[i].name))
return _gtk_css_value_ref (&font_variant_caps_values[i]);
}
return NULL;
}
GtkCssFontVariantCaps
_gtk_css_font_variant_caps_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_FONT_VARIANT_CAPS, GTK_CSS_FONT_VARIANT_CAPS_NORMAL);
return value->value;
}
/* GtkCssFontVariantAlternate */
static const GtkCssValueClass GTK_CSS_VALUE_FONT_VARIANT_ALTERNATE = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_enum_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_value_enum_print
};
static GtkCssValue font_variant_alternate_values[] = {
{ &GTK_CSS_VALUE_FONT_VARIANT_ALTERNATE, 1, GTK_CSS_FONT_VARIANT_ALTERNATE_NORMAL, "normal" },
{ &GTK_CSS_VALUE_FONT_VARIANT_ALTERNATE, 1, GTK_CSS_FONT_VARIANT_ALTERNATE_HISTORICAL_FORMS, "historical-forms" }
};
GtkCssValue *
_gtk_css_font_variant_alternate_value_new (GtkCssFontVariantAlternate alternate)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (font_variant_alternate_values); i++)
{
if (font_variant_alternate_values[i].value == alternate)
return _gtk_css_value_ref (&font_variant_alternate_values[i]);
}
g_return_val_if_reached (NULL);
}
GtkCssValue *
_gtk_css_font_variant_alternate_value_try_parse (GtkCssParser *parser)
{
guint i;
g_return_val_if_fail (parser != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (font_variant_alternate_values); i++)
{
if (gtk_css_parser_try_ident (parser, font_variant_alternate_values[i].name))
return _gtk_css_value_ref (&font_variant_alternate_values[i]);
}
return NULL;
}
GtkCssFontVariantAlternate
_gtk_css_font_variant_alternate_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_FONT_VARIANT_ALTERNATE, GTK_CSS_FONT_VARIANT_ALTERNATE_NORMAL);
return value->value;
}
/* below are flags, which are handle a bit differently. We allocate values dynamically,
* and we parse one bit at a time, while allowing for detection of invalid combinations.
*/
typedef struct {
int value;
const char *name;
} FlagsValue;
static gboolean
gtk_css_value_flags_equal (const GtkCssValue *enum1,
const GtkCssValue *enum2)
{
return enum1->value == enum2->value;
}
static void
gtk_css_value_flags_print (const FlagsValue *values,
guint n_values,
const GtkCssValue *value,
GString *string)
{
guint i;
const char *sep = "";
for (i = 0; i < n_values; i++)
{
if (value->value & values[i].value)
{
g_string_append (string, sep);
g_string_append (string, values[i].name);
sep = " ";
}
}
}
/* GtkCssFontVariantLigature */
static FlagsValue font_variant_ligature_values[] = {
{ GTK_CSS_FONT_VARIANT_LIGATURE_NORMAL, "normal" },
{ GTK_CSS_FONT_VARIANT_LIGATURE_NONE, "none" },
{ GTK_CSS_FONT_VARIANT_LIGATURE_COMMON_LIGATURES, "common-ligatures" },
{ GTK_CSS_FONT_VARIANT_LIGATURE_NO_COMMON_LIGATURES, "no-common-ligatures" },
{ GTK_CSS_FONT_VARIANT_LIGATURE_DISCRETIONARY_LIGATURES, "discretionary-ligatures" },
{ GTK_CSS_FONT_VARIANT_LIGATURE_NO_DISCRETIONARY_LIGATURES, "no-discretionary-ligatures" },
{ GTK_CSS_FONT_VARIANT_LIGATURE_HISTORICAL_LIGATURES, "historical-ligatures" },
{ GTK_CSS_FONT_VARIANT_LIGATURE_NO_HISTORICAL_LIGATURES, "no-historical-ligatures" },
{ GTK_CSS_FONT_VARIANT_LIGATURE_CONTEXTUAL, "contextual" },
{ GTK_CSS_FONT_VARIANT_LIGATURE_NO_CONTEXTUAL, "no-contextual" }
};
static void
gtk_css_font_variant_ligature_value_print (const GtkCssValue *value,
GString *string)
{
gtk_css_value_flags_print (font_variant_ligature_values,
G_N_ELEMENTS (font_variant_ligature_values),
value, string);
}
static const GtkCssValueClass GTK_CSS_VALUE_FONT_VARIANT_LIGATURE = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_flags_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_font_variant_ligature_value_print
};
static gboolean
ligature_value_is_valid (GtkCssFontVariantLigature ligatures)
{
if (((ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_NORMAL) &&
(ligatures != GTK_CSS_FONT_VARIANT_LIGATURE_NORMAL)) ||
((ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_NONE) &&
(ligatures != GTK_CSS_FONT_VARIANT_LIGATURE_NONE)) ||
((ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_COMMON_LIGATURES) &&
(ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_NO_COMMON_LIGATURES)) ||
((ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_DISCRETIONARY_LIGATURES) &&
(ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_NO_DISCRETIONARY_LIGATURES)) ||
((ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_HISTORICAL_LIGATURES) &&
(ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_NO_HISTORICAL_LIGATURES)) ||
((ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_CONTEXTUAL) &&
(ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_NO_CONTEXTUAL)))
return FALSE;
return TRUE;
}
GtkCssValue *
_gtk_css_font_variant_ligature_value_new (GtkCssFontVariantLigature ligatures)
{
GtkCssValue *value;
if (!ligature_value_is_valid (ligatures))
return NULL;
value = _gtk_css_value_new (GtkCssValue, &GTK_CSS_VALUE_FONT_VARIANT_LIGATURE);
value->value = ligatures;
value->name = NULL;
return value;
}
GtkCssFontVariantLigature
_gtk_css_font_variant_ligature_try_parse_one (GtkCssParser *parser,
GtkCssFontVariantLigature base)
{
guint i;
GtkCssFontVariantLigature value = 0;
g_return_val_if_fail (parser != NULL, 0);
for (i = 0; i < G_N_ELEMENTS (font_variant_ligature_values); i++)
{
if (gtk_css_parser_try_ident (parser, font_variant_ligature_values[i].name))
{
value = font_variant_ligature_values[i].value;
break;
}
}
if (value == 0)
return base; /* not parsing this value */
if ((base | value) == base)
return 0; /* repeated value */
if (!ligature_value_is_valid (base | value))
return 0; /* bad combination */
return base | value;
}
GtkCssFontVariantLigature
_gtk_css_font_variant_ligature_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_FONT_VARIANT_LIGATURE, GTK_CSS_FONT_VARIANT_LIGATURE_NORMAL);
return value->value;
}
/* GtkCssFontVariantNumeric */
static FlagsValue font_variant_numeric_values[] = {
{ GTK_CSS_FONT_VARIANT_NUMERIC_NORMAL, "normal" },
{ GTK_CSS_FONT_VARIANT_NUMERIC_LINING_NUMS, "lining-nums" },
{ GTK_CSS_FONT_VARIANT_NUMERIC_OLDSTYLE_NUMS, "oldstyle-nums" },
{ GTK_CSS_FONT_VARIANT_NUMERIC_PROPORTIONAL_NUMS, "proportional-nums" },
{ GTK_CSS_FONT_VARIANT_NUMERIC_TABULAR_NUMS, "tabular-nums" },
{ GTK_CSS_FONT_VARIANT_NUMERIC_DIAGONAL_FRACTIONS, "diagonal-fractions" },
{ GTK_CSS_FONT_VARIANT_NUMERIC_STACKED_FRACTIONS, "stacked-fractions" },
{ GTK_CSS_FONT_VARIANT_NUMERIC_ORDINAL, "ordinal" },
{ GTK_CSS_FONT_VARIANT_NUMERIC_SLASHED_ZERO, "slashed-zero" }
};
static void
gtk_css_font_variant_numeric_value_print (const GtkCssValue *value,
GString *string)
{
gtk_css_value_flags_print (font_variant_numeric_values,
G_N_ELEMENTS (font_variant_numeric_values),
value, string);
}
static const GtkCssValueClass GTK_CSS_VALUE_FONT_VARIANT_NUMERIC = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_flags_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_font_variant_numeric_value_print
};
static gboolean
numeric_value_is_valid (GtkCssFontVariantNumeric numeric)
{
if (((numeric & GTK_CSS_FONT_VARIANT_NUMERIC_NORMAL) &&
(numeric != GTK_CSS_FONT_VARIANT_NUMERIC_NORMAL)) ||
((numeric & GTK_CSS_FONT_VARIANT_NUMERIC_LINING_NUMS) &&
(numeric & GTK_CSS_FONT_VARIANT_NUMERIC_OLDSTYLE_NUMS)) ||
((numeric & GTK_CSS_FONT_VARIANT_NUMERIC_PROPORTIONAL_NUMS) &&
(numeric & GTK_CSS_FONT_VARIANT_NUMERIC_TABULAR_NUMS)) ||
((numeric & GTK_CSS_FONT_VARIANT_NUMERIC_DIAGONAL_FRACTIONS) &&
(numeric & GTK_CSS_FONT_VARIANT_NUMERIC_STACKED_FRACTIONS)))
return FALSE;
return TRUE;
}
GtkCssValue *
_gtk_css_font_variant_numeric_value_new (GtkCssFontVariantNumeric numeric)
{
GtkCssValue *value;
if (!numeric_value_is_valid (numeric))
return NULL;
value = _gtk_css_value_new (GtkCssValue, &GTK_CSS_VALUE_FONT_VARIANT_NUMERIC);
value->value = numeric;
value->name = NULL;
return value;
}
GtkCssFontVariantNumeric
_gtk_css_font_variant_numeric_try_parse_one (GtkCssParser *parser,
GtkCssFontVariantNumeric base)
{
guint i;
GtkCssFontVariantNumeric value = 0;
g_return_val_if_fail (parser != NULL, 0);
for (i = 0; i < G_N_ELEMENTS (font_variant_numeric_values); i++)
{
if (gtk_css_parser_try_ident (parser, font_variant_numeric_values[i].name))
{
value = font_variant_numeric_values[i].value;
break;
}
}
if (value == 0)
return base; /* not parsing this value */
if ((base | value) == base)
return 0; /* repeated value */
if (!numeric_value_is_valid (base | value))
return 0; /* bad combination */
return base | value;
}
GtkCssFontVariantNumeric
_gtk_css_font_variant_numeric_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_FONT_VARIANT_NUMERIC, GTK_CSS_FONT_VARIANT_NUMERIC_NORMAL);
return value->value;
}
/* GtkCssFontVariantEastAsian */
static FlagsValue font_variant_east_asian_values[] = {
{ GTK_CSS_FONT_VARIANT_EAST_ASIAN_NORMAL, "normal" },
{ GTK_CSS_FONT_VARIANT_EAST_ASIAN_JIS78, "jis78" },
{ GTK_CSS_FONT_VARIANT_EAST_ASIAN_JIS83, "jis83" },
{ GTK_CSS_FONT_VARIANT_EAST_ASIAN_JIS90, "jis90" },
{ GTK_CSS_FONT_VARIANT_EAST_ASIAN_JIS04, "jis04" },
{ GTK_CSS_FONT_VARIANT_EAST_ASIAN_SIMPLIFIED, "simplified" },
{ GTK_CSS_FONT_VARIANT_EAST_ASIAN_TRADITIONAL, "traditional" },
{ GTK_CSS_FONT_VARIANT_EAST_ASIAN_FULL_WIDTH, "full-width" },
{ GTK_CSS_FONT_VARIANT_EAST_ASIAN_PROPORTIONAL, "proportional-width" },
{ GTK_CSS_FONT_VARIANT_EAST_ASIAN_RUBY, "ruby" }
};
static void
gtk_css_font_variant_east_asian_value_print (const GtkCssValue *value,
GString *string)
{
gtk_css_value_flags_print (font_variant_east_asian_values,
G_N_ELEMENTS (font_variant_east_asian_values),
value, string);
}
static const GtkCssValueClass GTK_CSS_VALUE_FONT_VARIANT_EAST_ASIAN = {
gtk_css_value_enum_free,
gtk_css_value_enum_compute,
gtk_css_value_flags_equal,
gtk_css_value_enum_transition,
NULL,
NULL,
gtk_css_font_variant_east_asian_value_print
};
#ifdef _MSC_VER
/* __builtin_popcount is a GCC-only function
so we need to define it for ourselves somehow */
static inline guint
__msvc_compat_popcnt (guint32 value)
{
static gssize popcnt_checked = 0;
static gboolean have_popcnt = FALSE;
# if defined (_M_AMD64) || defined (_M_X64) || (_M_IX86)
if (g_once_init_enter (&popcnt_checked))
{
int cpuinfo[4] = {-1};
__cpuid (cpuinfo, 1);
have_popcnt = (cpuinfo[2] & 0x00800000) != 0;
g_once_init_leave (&popcnt_checked, 1);
}
# endif
if (have_popcnt)
return __popcnt (value);
else
/* http://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetParallel */
return (((value & 0xfff) * 0x1001001001001ULL & 0x84210842108421ULL) % 0x1f) +
((((value & 0xfff000) >> 12) * 0x1001001001001ULL & 0x84210842108421ULL) % 0x1f) +
(((value >> 24) * 0x1001001001001ULL & 0x84210842108421ULL) % 0x1f);
}
# define __builtin_popcount(v) __msvc_compat_popcnt(v)
#endif
static gboolean
east_asian_value_is_valid (GtkCssFontVariantEastAsian east_asian)
{
if ((east_asian & GTK_CSS_FONT_VARIANT_EAST_ASIAN_NORMAL) &&
(east_asian != GTK_CSS_FONT_VARIANT_EAST_ASIAN_NORMAL))
return FALSE;
if (__builtin_popcount (east_asian & (GTK_CSS_FONT_VARIANT_EAST_ASIAN_JIS78 |
GTK_CSS_FONT_VARIANT_EAST_ASIAN_JIS83 |
GTK_CSS_FONT_VARIANT_EAST_ASIAN_JIS90 |
GTK_CSS_FONT_VARIANT_EAST_ASIAN_JIS04 |
GTK_CSS_FONT_VARIANT_EAST_ASIAN_SIMPLIFIED |
GTK_CSS_FONT_VARIANT_EAST_ASIAN_TRADITIONAL)) > 1)
return FALSE;
if (__builtin_popcount (east_asian & (GTK_CSS_FONT_VARIANT_EAST_ASIAN_FULL_WIDTH |
GTK_CSS_FONT_VARIANT_EAST_ASIAN_PROPORTIONAL)) > 1)
return FALSE;
return TRUE;
}
GtkCssValue *
_gtk_css_font_variant_east_asian_value_new (GtkCssFontVariantEastAsian east_asian)
{
GtkCssValue *value;
if (!east_asian_value_is_valid (east_asian))
return NULL;
value = _gtk_css_value_new (GtkCssValue, &GTK_CSS_VALUE_FONT_VARIANT_EAST_ASIAN);
value->value = east_asian;
value->name = NULL;
return value;
}
GtkCssFontVariantEastAsian
_gtk_css_font_variant_east_asian_try_parse_one (GtkCssParser *parser,
GtkCssFontVariantEastAsian base)
{
guint i;
GtkCssFontVariantEastAsian value = 0;
g_return_val_if_fail (parser != NULL, 0);
for (i = 0; i < G_N_ELEMENTS (font_variant_east_asian_values); i++)
{
if (gtk_css_parser_try_ident (parser, font_variant_east_asian_values[i].name))
{
value = font_variant_east_asian_values[i].value;
break;
}
}
if (value == 0)
return base; /* not parsing this value */
if ((base | value) == base)
return 0; /* repeated value */
if (!east_asian_value_is_valid (base | value))
return 0; /* bad combination */
return base | value;
}
GtkCssFontVariantEastAsian
_gtk_css_font_variant_east_asian_value_get (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == &GTK_CSS_VALUE_FONT_VARIANT_EAST_ASIAN, GTK_CSS_FONT_VARIANT_EAST_ASIAN_NORMAL);
return value->value;
}
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