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gtk2/gtk/gtkcssstyle.c
Matthias Clasen b8ffe5b245 css: Fix the initial values optimization 
Fix up the index computation. We have duplicate entries
in the type enum, so to go from one of the 'initial' types
to it corresponding type you subtract one, but to find
the size array entry for a type, you divide by 2.
2020-02-04 12:19:23 +01:00

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/*
* Copyright © 2012 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 2.1 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/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#include "config.h"
#include "gtkprivate.h"
#include "gtkcssstyleprivate.h"
#include "gtkcssanimationprivate.h"
#include "gtkcssarrayvalueprivate.h"
#include "gtkcssenumvalueprivate.h"
#include "gtkcssinheritvalueprivate.h"
#include "gtkcssinitialvalueprivate.h"
#include "gtkcssnumbervalueprivate.h"
#include "gtkcsscolorvalueprivate.h"
#include "gtkcssshorthandpropertyprivate.h"
#include "gtkcssstringvalueprivate.h"
#include "gtkcssfontvariationsvalueprivate.h"
#include "gtkcssfontfeaturesvalueprivate.h"
#include "gtkcssstylepropertyprivate.h"
#include "gtkcsstransitionprivate.h"
#include "gtkstyleanimationprivate.h"
#include "gtkstylepropertyprivate.h"
#include "gtkstyleproviderprivate.h"
G_DEFINE_ABSTRACT_TYPE (GtkCssStyle, gtk_css_style, G_TYPE_OBJECT)
static GtkCssSection *
gtk_css_style_real_get_section (GtkCssStyle *style,
guint id)
{
return NULL;
}
static gboolean
gtk_css_style_real_is_static (GtkCssStyle *style)
{
return TRUE;
}
static void
gtk_css_style_finalize (GObject *object)
{
GtkCssStyle *style = GTK_CSS_STYLE (object);
gtk_css_values_unref ((GtkCssValues *)style->core);
gtk_css_values_unref ((GtkCssValues *)style->background);
gtk_css_values_unref ((GtkCssValues *)style->border);
gtk_css_values_unref ((GtkCssValues *)style->icon);
gtk_css_values_unref ((GtkCssValues *)style->outline);
gtk_css_values_unref ((GtkCssValues *)style->font);
gtk_css_values_unref ((GtkCssValues *)style->font_variant);
gtk_css_values_unref ((GtkCssValues *)style->animation);
gtk_css_values_unref ((GtkCssValues *)style->transition);
gtk_css_values_unref ((GtkCssValues *)style->size);
gtk_css_values_unref ((GtkCssValues *)style->other);
G_OBJECT_CLASS (gtk_css_style_parent_class)->finalize (object);
}
static void
gtk_css_style_class_init (GtkCssStyleClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gtk_css_style_finalize;
klass->get_section = gtk_css_style_real_get_section;
klass->is_static = gtk_css_style_real_is_static;
}
static void
gtk_css_style_init (GtkCssStyle *style)
{
}
GtkCssValue *
gtk_css_style_get_value (GtkCssStyle *style,
guint id)
{
switch (id)
{
case GTK_CSS_PROPERTY_COLOR:
return style->core->color;
case GTK_CSS_PROPERTY_DPI:
return style->core->dpi;
case GTK_CSS_PROPERTY_FONT_SIZE:
return style->core->font_size;
case GTK_CSS_PROPERTY_ICON_THEME:
return style->core->icon_theme;
case GTK_CSS_PROPERTY_ICON_PALETTE:
return style->core->icon_palette;
case GTK_CSS_PROPERTY_BACKGROUND_COLOR:
return style->background->background_color;
case GTK_CSS_PROPERTY_FONT_FAMILY:
return style->font->font_family;
case GTK_CSS_PROPERTY_FONT_STYLE:
return style->font->font_style;
case GTK_CSS_PROPERTY_FONT_WEIGHT:
return style->font->font_weight;
case GTK_CSS_PROPERTY_FONT_STRETCH:
return style->font->font_stretch;
case GTK_CSS_PROPERTY_LETTER_SPACING:
return style->font->letter_spacing;
case GTK_CSS_PROPERTY_TEXT_DECORATION_LINE:
return style->font_variant->text_decoration_line;
case GTK_CSS_PROPERTY_TEXT_DECORATION_COLOR:
return style->font_variant->text_decoration_color ? style->font_variant->text_decoration_color : style->core->color;
case GTK_CSS_PROPERTY_TEXT_DECORATION_STYLE:
return style->font_variant->text_decoration_style;
case GTK_CSS_PROPERTY_FONT_KERNING:
return style->font_variant->font_kerning;
case GTK_CSS_PROPERTY_FONT_VARIANT_LIGATURES:
return style->font_variant->font_variant_ligatures;
case GTK_CSS_PROPERTY_FONT_VARIANT_POSITION:
return style->font_variant->font_variant_position;
case GTK_CSS_PROPERTY_FONT_VARIANT_CAPS:
return style->font_variant->font_variant_caps;
case GTK_CSS_PROPERTY_FONT_VARIANT_NUMERIC:
return style->font_variant->font_variant_numeric;
case GTK_CSS_PROPERTY_FONT_VARIANT_ALTERNATES:
return style->font_variant->font_variant_alternates;
case GTK_CSS_PROPERTY_FONT_VARIANT_EAST_ASIAN:
return style->font_variant->font_variant_east_asian;
case GTK_CSS_PROPERTY_TEXT_SHADOW:
return style->font->text_shadow;
case GTK_CSS_PROPERTY_BOX_SHADOW:
return style->background->box_shadow;
case GTK_CSS_PROPERTY_MARGIN_TOP:
return style->size->margin_top;
case GTK_CSS_PROPERTY_MARGIN_LEFT:
return style->size->margin_left;
case GTK_CSS_PROPERTY_MARGIN_BOTTOM:
return style->size->margin_bottom;
case GTK_CSS_PROPERTY_MARGIN_RIGHT:
return style->size->margin_right;
case GTK_CSS_PROPERTY_PADDING_TOP:
return style->size->padding_top;
case GTK_CSS_PROPERTY_PADDING_LEFT:
return style->size->padding_left;
case GTK_CSS_PROPERTY_PADDING_BOTTOM:
return style->size->padding_bottom;
case GTK_CSS_PROPERTY_PADDING_RIGHT:
return style->size->padding_right;
case GTK_CSS_PROPERTY_BORDER_TOP_STYLE:
return style->border->border_top_style;
case GTK_CSS_PROPERTY_BORDER_TOP_WIDTH:
return style->border->border_top_width;
case GTK_CSS_PROPERTY_BORDER_LEFT_STYLE:
return style->border->border_left_style;
case GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH:
return style->border->border_left_width;
case GTK_CSS_PROPERTY_BORDER_BOTTOM_STYLE:
return style->border->border_bottom_style;
case GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH:
return style->border->border_bottom_width;
case GTK_CSS_PROPERTY_BORDER_RIGHT_STYLE:
return style->border->border_right_style;
case GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH:
return style->border->border_right_width;
case GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS:
return style->border->border_top_left_radius;
case GTK_CSS_PROPERTY_BORDER_TOP_RIGHT_RADIUS:
return style->border->border_top_right_radius;
case GTK_CSS_PROPERTY_BORDER_BOTTOM_RIGHT_RADIUS:
return style->border->border_bottom_right_radius;
case GTK_CSS_PROPERTY_BORDER_BOTTOM_LEFT_RADIUS:
return style->border->border_bottom_left_radius;
case GTK_CSS_PROPERTY_OUTLINE_STYLE:
return style->outline->outline_style;
case GTK_CSS_PROPERTY_OUTLINE_WIDTH:
return style->outline->outline_width;
case GTK_CSS_PROPERTY_OUTLINE_OFFSET:
return style->outline->outline_offset;
case GTK_CSS_PROPERTY_OUTLINE_TOP_LEFT_RADIUS:
return style->outline->outline_top_left_radius;
case GTK_CSS_PROPERTY_OUTLINE_TOP_RIGHT_RADIUS:
return style->outline->outline_top_right_radius;
case GTK_CSS_PROPERTY_OUTLINE_BOTTOM_RIGHT_RADIUS:
return style->outline->outline_bottom_right_radius;
case GTK_CSS_PROPERTY_OUTLINE_BOTTOM_LEFT_RADIUS:
return style->outline->outline_bottom_left_radius;
case GTK_CSS_PROPERTY_BACKGROUND_CLIP:
return style->background->background_clip;
case GTK_CSS_PROPERTY_BACKGROUND_ORIGIN:
return style->background->background_origin;
case GTK_CSS_PROPERTY_BACKGROUND_SIZE:
return style->background->background_size;
case GTK_CSS_PROPERTY_BACKGROUND_POSITION:
return style->background->background_position;
case GTK_CSS_PROPERTY_BORDER_TOP_COLOR:
return style->border->border_top_color ? style->border->border_top_color : style->core->color;
case GTK_CSS_PROPERTY_BORDER_RIGHT_COLOR:
return style->border->border_right_color ? style->border->border_right_color : style->core->color;
case GTK_CSS_PROPERTY_BORDER_BOTTOM_COLOR:
return style->border->border_bottom_color ? style->border->border_bottom_color : style->core->color;
case GTK_CSS_PROPERTY_BORDER_LEFT_COLOR:
return style->border->border_left_color ? style->border->border_left_color: style->core->color;
case GTK_CSS_PROPERTY_OUTLINE_COLOR:
return style->outline->outline_color ? style->outline->outline_color : style->core->color;
case GTK_CSS_PROPERTY_BACKGROUND_REPEAT:
return style->background->background_repeat;
case GTK_CSS_PROPERTY_BACKGROUND_IMAGE:
return style->background->background_image;
case GTK_CSS_PROPERTY_BACKGROUND_BLEND_MODE:
return style->background->background_blend_mode;
case GTK_CSS_PROPERTY_BORDER_IMAGE_SOURCE:
return style->border->border_image_source;
case GTK_CSS_PROPERTY_BORDER_IMAGE_REPEAT:
return style->border->border_image_repeat;
case GTK_CSS_PROPERTY_BORDER_IMAGE_SLICE:
return style->border->border_image_slice;
case GTK_CSS_PROPERTY_BORDER_IMAGE_WIDTH:
return style->border->border_image_width;
case GTK_CSS_PROPERTY_ICON_SOURCE:
return style->other->icon_source;
case GTK_CSS_PROPERTY_ICON_SIZE:
return style->icon->icon_size;
case GTK_CSS_PROPERTY_ICON_SHADOW:
return style->icon->icon_shadow;
case GTK_CSS_PROPERTY_ICON_STYLE:
return style->icon->icon_style;
case GTK_CSS_PROPERTY_ICON_TRANSFORM:
return style->other->icon_transform;
case GTK_CSS_PROPERTY_ICON_FILTER:
return style->other->icon_filter;
case GTK_CSS_PROPERTY_BORDER_SPACING:
return style->size->border_spacing;
case GTK_CSS_PROPERTY_TRANSFORM:
return style->other->transform;
case GTK_CSS_PROPERTY_MIN_WIDTH:
return style->size->min_width;
case GTK_CSS_PROPERTY_MIN_HEIGHT:
return style->size->min_height;
case GTK_CSS_PROPERTY_TRANSITION_PROPERTY:
return style->transition->transition_property;
case GTK_CSS_PROPERTY_TRANSITION_DURATION:
return style->transition->transition_duration;
case GTK_CSS_PROPERTY_TRANSITION_TIMING_FUNCTION:
return style->transition->transition_timing_function;
case GTK_CSS_PROPERTY_TRANSITION_DELAY:
return style->transition->transition_delay;
case GTK_CSS_PROPERTY_ANIMATION_NAME:
return style->animation->animation_name;
case GTK_CSS_PROPERTY_ANIMATION_DURATION:
return style->animation->animation_duration;
case GTK_CSS_PROPERTY_ANIMATION_TIMING_FUNCTION:
return style->animation->animation_timing_function;
case GTK_CSS_PROPERTY_ANIMATION_ITERATION_COUNT:
return style->animation->animation_iteration_count;
case GTK_CSS_PROPERTY_ANIMATION_DIRECTION:
return style->animation->animation_direction;
case GTK_CSS_PROPERTY_ANIMATION_PLAY_STATE:
return style->animation->animation_play_state;
case GTK_CSS_PROPERTY_ANIMATION_DELAY:
return style->animation->animation_delay;
case GTK_CSS_PROPERTY_ANIMATION_FILL_MODE:
return style->animation->animation_fill_mode;
case GTK_CSS_PROPERTY_OPACITY:
return style->other->opacity;
case GTK_CSS_PROPERTY_FILTER:
return style->other->filter;
case GTK_CSS_PROPERTY_CARET_COLOR:
return style->font->caret_color ? style->font->caret_color : style->core->color;
case GTK_CSS_PROPERTY_SECONDARY_CARET_COLOR:
return style->font->secondary_caret_color ? style->font->secondary_caret_color : style->core->color;
case GTK_CSS_PROPERTY_FONT_FEATURE_SETTINGS:
return style->font->font_feature_settings;
case GTK_CSS_PROPERTY_FONT_VARIATION_SETTINGS:
return style->font->font_variation_settings;
default:
g_assert_not_reached ();
}
}
GtkCssSection *
gtk_css_style_get_section (GtkCssStyle *style,
guint id)
{
gtk_internal_return_val_if_fail (GTK_IS_CSS_STYLE (style), NULL);
return GTK_CSS_STYLE_GET_CLASS (style)->get_section (style, id);
}
gboolean
gtk_css_style_is_static (GtkCssStyle *style)
{
gtk_internal_return_val_if_fail (GTK_IS_CSS_STYLE (style), TRUE);
return GTK_CSS_STYLE_GET_CLASS (style)->is_static (style);
}
GtkCssStaticStyle *
gtk_css_style_get_static_style (GtkCssStyle *style)
{
gtk_internal_return_val_if_fail (GTK_IS_CSS_STYLE (style), NULL);
return GTK_CSS_STYLE_GET_CLASS (style)->get_static_style (style);
}
/*
* gtk_css_style_print:
* @style: a #GtkCssStyle
* @string: the #GString to print to
* @indent: level of indentation to use
* @skip_initial: %TRUE to skip properties that have their initial value
*
* Print the @style to @string, in CSS format. Every property is printed
* on a line by itself, indented by @indent spaces. If @skip_initial is
* %TRUE, properties are only printed if their value in @style is different
* from the initial value of the property.
*
* Returns: %TRUE is any properties have been printed
*/
gboolean
gtk_css_style_print (GtkCssStyle *style,
GString *string,
guint indent,
gboolean skip_initial)
{
guint i;
gboolean retval = FALSE;
g_return_val_if_fail (GTK_IS_CSS_STYLE (style), FALSE);
g_return_val_if_fail (string != NULL, FALSE);
for (i = 0; i < _gtk_css_style_property_get_n_properties (); i++)
{
GtkCssSection *section;
GtkCssStyleProperty *prop;
GtkCssValue *value;
const char *name;
section = gtk_css_style_get_section (style, i);
if (!section && skip_initial)
continue;
prop = _gtk_css_style_property_lookup_by_id (i);
name = _gtk_style_property_get_name (GTK_STYLE_PROPERTY (prop));
value = gtk_css_style_get_value (style, i);
g_string_append_printf (string, "%*s%s: ", indent, "", name);
_gtk_css_value_print (value, string);
g_string_append_c (string, ';');
if (section)
{
g_string_append (string, " /* ");
gtk_css_section_print (section, string);
g_string_append (string, " */");
}
g_string_append_c (string, '\n');
retval = TRUE;
}
return retval;
}
char *
gtk_css_style_to_string (GtkCssStyle *style)
{
GString *string;
g_return_val_if_fail (GTK_IS_CSS_STYLE (style), NULL);
string = g_string_new ("");
gtk_css_style_print (style, string, 0, FALSE);
return g_string_free (string, FALSE);
}
static PangoUnderline
get_pango_underline_from_style (GtkTextDecorationStyle style)
{
switch (style)
{
case GTK_CSS_TEXT_DECORATION_STYLE_DOUBLE:
return PANGO_UNDERLINE_DOUBLE;
case GTK_CSS_TEXT_DECORATION_STYLE_WAVY:
return PANGO_UNDERLINE_ERROR;
case GTK_CSS_TEXT_DECORATION_STYLE_SOLID:
default:
return PANGO_UNDERLINE_SINGLE;
}
g_return_val_if_reached (PANGO_UNDERLINE_SINGLE);
}
static PangoAttrList *
add_pango_attr (PangoAttrList *attrs,
PangoAttribute *attr)
{
if (attrs == NULL)
attrs = pango_attr_list_new ();
pango_attr_list_insert (attrs, attr);
return attrs;
}
static void
append_separated (GString *s, const char *text)
{
if (s->len > 0)
g_string_append (s, ", ");
g_string_append (s, text);
}
PangoAttrList *
gtk_css_style_get_pango_attributes (GtkCssStyle *style)
{
PangoAttrList *attrs = NULL;
GtkTextDecorationLine decoration_line;
GtkTextDecorationStyle decoration_style;
const GdkRGBA *color;
const GdkRGBA *decoration_color;
gint letter_spacing;
GtkCssFontVariantLigature ligatures;
GtkCssFontVariantNumeric numeric;
GtkCssFontVariantEastAsian east_asian;
GString *s;
char *settings;
/* text-decoration */
decoration_line = _gtk_css_text_decoration_line_value_get (style->font_variant->text_decoration_line);
decoration_style = _gtk_css_text_decoration_style_value_get (style->font_variant->text_decoration_style);
color = gtk_css_color_value_get_rgba (style->core->color);
decoration_color = gtk_css_color_value_get_rgba (style->font_variant->text_decoration_color
? style->font_variant->text_decoration_color
: style->core->color);
switch (decoration_line)
{
case GTK_CSS_TEXT_DECORATION_LINE_UNDERLINE:
attrs = add_pango_attr (attrs, pango_attr_underline_new (get_pango_underline_from_style (decoration_style)));
if (!gdk_rgba_equal (color, decoration_color))
attrs = add_pango_attr (attrs, pango_attr_underline_color_new (decoration_color->red * 65535. + 0.5,
decoration_color->green * 65535. + 0.5,
decoration_color->blue * 65535. + 0.5));
break;
case GTK_CSS_TEXT_DECORATION_LINE_LINE_THROUGH:
attrs = add_pango_attr (attrs, pango_attr_strikethrough_new (TRUE));
if (!gdk_rgba_equal (color, decoration_color))
attrs = add_pango_attr (attrs, pango_attr_strikethrough_color_new (decoration_color->red * 65535. + 0.5,
decoration_color->green * 65535. + 0.5,
decoration_color->blue * 65535. + 0.5));
break;
case GTK_CSS_TEXT_DECORATION_LINE_NONE:
default:
break;
}
/* letter-spacing */
letter_spacing = _gtk_css_number_value_get (style->font->letter_spacing, 100);
if (letter_spacing != 0)
{
attrs = add_pango_attr (attrs, pango_attr_letter_spacing_new (letter_spacing * PANGO_SCALE));
}
/* OpenType features */
s = g_string_new ("");
switch (_gtk_css_font_kerning_value_get (style->font_variant->font_kerning))
{
case GTK_CSS_FONT_KERNING_NORMAL:
append_separated (s, "kern 1");
break;
case GTK_CSS_FONT_KERNING_NONE:
append_separated (s, "kern 0");
break;
case GTK_CSS_FONT_KERNING_AUTO:
default:
break;
}
ligatures = _gtk_css_font_variant_ligature_value_get (style->font_variant->font_variant_ligatures);
if (ligatures == GTK_CSS_FONT_VARIANT_LIGATURE_NORMAL)
{
/* all defaults */
}
else if (ligatures == GTK_CSS_FONT_VARIANT_LIGATURE_NONE)
append_separated (s, "liga 0, clig 0, dlig 0, hlig 0, calt 0");
else
{
if (ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_COMMON_LIGATURES)
append_separated (s, "liga 1, clig 1");
if (ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_NO_COMMON_LIGATURES)
append_separated (s, "liga 0, clig 0");
if (ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_DISCRETIONARY_LIGATURES)
append_separated (s, "dlig 1");
if (ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_NO_DISCRETIONARY_LIGATURES)
append_separated (s, "dlig 0");
if (ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_HISTORICAL_LIGATURES)
append_separated (s, "hlig 1");
if (ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_NO_HISTORICAL_LIGATURES)
append_separated (s, "hlig 0");
if (ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_CONTEXTUAL)
append_separated (s, "calt 1");
if (ligatures & GTK_CSS_FONT_VARIANT_LIGATURE_NO_CONTEXTUAL)
append_separated (s, "calt 0");
}
switch (_gtk_css_font_variant_position_value_get (style->font_variant->font_variant_position))
{
case GTK_CSS_FONT_VARIANT_POSITION_SUB:
append_separated (s, "subs 1");
break;
case GTK_CSS_FONT_VARIANT_POSITION_SUPER:
append_separated (s, "sups 1");
break;
case GTK_CSS_FONT_VARIANT_POSITION_NORMAL:
default:
break;
}
switch (_gtk_css_font_variant_caps_value_get (style->font_variant->font_variant_caps))
{
case GTK_CSS_FONT_VARIANT_CAPS_SMALL_CAPS:
append_separated (s, "smcp 1");
break;
case GTK_CSS_FONT_VARIANT_CAPS_ALL_SMALL_CAPS:
append_separated (s, "c2sc 1, smcp 1");
break;
case GTK_CSS_FONT_VARIANT_CAPS_PETITE_CAPS:
append_separated (s, "pcap 1");
break;
case GTK_CSS_FONT_VARIANT_CAPS_ALL_PETITE_CAPS:
append_separated (s, "c2pc 1, pcap 1");
break;
case GTK_CSS_FONT_VARIANT_CAPS_UNICASE:
append_separated (s, "unic 1");
break;
case GTK_CSS_FONT_VARIANT_CAPS_TITLING_CAPS:
append_separated (s, "titl 1");
break;
case GTK_CSS_FONT_VARIANT_CAPS_NORMAL:
default:
break;
}
numeric = _gtk_css_font_variant_numeric_value_get (style->font_variant->font_variant_numeric);
if (numeric == GTK_CSS_FONT_VARIANT_NUMERIC_NORMAL)
{
/* all defaults */
}
else
{
if (numeric & GTK_CSS_FONT_VARIANT_NUMERIC_LINING_NUMS)
append_separated (s, "lnum 1");
if (numeric & GTK_CSS_FONT_VARIANT_NUMERIC_OLDSTYLE_NUMS)
append_separated (s, "onum 1");
if (numeric & GTK_CSS_FONT_VARIANT_NUMERIC_PROPORTIONAL_NUMS)
append_separated (s, "pnum 1");
if (numeric & GTK_CSS_FONT_VARIANT_NUMERIC_TABULAR_NUMS)
append_separated (s, "tnum 1");
if (numeric & GTK_CSS_FONT_VARIANT_NUMERIC_DIAGONAL_FRACTIONS)
append_separated (s, "frac 1");
if (numeric & GTK_CSS_FONT_VARIANT_NUMERIC_STACKED_FRACTIONS)
append_separated (s, "afrc 1");
if (numeric & GTK_CSS_FONT_VARIANT_NUMERIC_ORDINAL)
append_separated (s, "ordn 1");
if (numeric & GTK_CSS_FONT_VARIANT_NUMERIC_SLASHED_ZERO)
append_separated (s, "zero 1");
}
switch (_gtk_css_font_variant_alternate_value_get (style->font_variant->font_variant_alternates))
{
case GTK_CSS_FONT_VARIANT_ALTERNATE_HISTORICAL_FORMS:
append_separated (s, "hist 1");
break;
case GTK_CSS_FONT_VARIANT_ALTERNATE_NORMAL:
default:
break;
}
east_asian = _gtk_css_font_variant_east_asian_value_get (style->font_variant->font_variant_east_asian);
if (east_asian == GTK_CSS_FONT_VARIANT_EAST_ASIAN_NORMAL)
{
/* all defaults */
}
else
{
if (east_asian & GTK_CSS_FONT_VARIANT_EAST_ASIAN_JIS78)
append_separated (s, "jp78 1");
if (east_asian & GTK_CSS_FONT_VARIANT_EAST_ASIAN_JIS83)
append_separated (s, "jp83 1");
if (east_asian & GTK_CSS_FONT_VARIANT_EAST_ASIAN_JIS90)
append_separated (s, "jp90 1");
if (east_asian & GTK_CSS_FONT_VARIANT_EAST_ASIAN_JIS04)
append_separated (s, "jp04 1");
if (east_asian & GTK_CSS_FONT_VARIANT_EAST_ASIAN_SIMPLIFIED)
append_separated (s, "smpl 1");
if (east_asian & GTK_CSS_FONT_VARIANT_EAST_ASIAN_TRADITIONAL)
append_separated (s, "trad 1");
if (east_asian & GTK_CSS_FONT_VARIANT_EAST_ASIAN_FULL_WIDTH)
append_separated (s, "fwid 1");
if (east_asian & GTK_CSS_FONT_VARIANT_EAST_ASIAN_PROPORTIONAL)
append_separated (s, "pwid 1");
if (east_asian & GTK_CSS_FONT_VARIANT_EAST_ASIAN_RUBY)
append_separated (s, "ruby 1");
}
settings = gtk_css_font_features_value_get_features (style->font->font_feature_settings);
if (settings)
{
append_separated (s, settings);
g_free (settings);
}
attrs = add_pango_attr (attrs, pango_attr_font_features_new (s->str));
g_string_free (s, TRUE);
return attrs;
}
PangoFontDescription *
gtk_css_style_get_pango_font (GtkCssStyle *style)
{
PangoFontDescription *description;
GtkCssValue *v;
char *str;
description = pango_font_description_new ();
v = style->font->font_family;
if (_gtk_css_array_value_get_n_values (v) > 1)
{
int i;
GString *s = g_string_new ("");
for (i = 0; i < _gtk_css_array_value_get_n_values (v); i++)
{
if (i > 0)
g_string_append (s, ",");
g_string_append (s, _gtk_css_string_value_get (_gtk_css_array_value_get_nth (v, i)));
}
pango_font_description_set_family (description, s->str);
g_string_free (s, TRUE);
}
else
{
pango_font_description_set_family (description,
_gtk_css_string_value_get (_gtk_css_array_value_get_nth (v, 0)));
}
v = style->core->font_size;
pango_font_description_set_absolute_size (description, round (_gtk_css_number_value_get (v, 100) * PANGO_SCALE));
v = style->font->font_style;
pango_font_description_set_style (description, _gtk_css_font_style_value_get (v));
v = style->font->font_weight;
pango_font_description_set_weight (description, _gtk_css_number_value_get (v, 100));
v = style->font->font_stretch;
pango_font_description_set_stretch (description, _gtk_css_font_stretch_value_get (v));
v = style->font->font_variation_settings;
str = gtk_css_font_variations_value_get_variations (v);
pango_font_description_set_variations (description, str);
g_free (str);
return description;
}
/* Refcounted value structs */
static int values_size[] = {
sizeof (GtkCssCoreValues),
sizeof (GtkCssBackgroundValues),
sizeof (GtkCssBorderValues),
sizeof (GtkCssIconValues),
sizeof (GtkCssOutlineValues),
sizeof (GtkCssFontValues),
sizeof (GtkCssFontVariantValues),
sizeof (GtkCssAnimationValues),
sizeof (GtkCssTransitionValues),
sizeof (GtkCssSizeValues),
sizeof (GtkCssOtherValues)
};
#define TYPE_INDEX(type) ((type) - ((type) % 2))
#define VALUES_SIZE(type) (values_size[(type) / 2])
#define N_VALUES(type) ((VALUES_SIZE(type) - sizeof (GtkCssValues)) / sizeof (GtkCssValue *))
#define GET_VALUES(v) (GtkCssValue **)((guint8 *)(v) + sizeof (GtkCssValues))
GtkCssValues *gtk_css_values_ref (GtkCssValues *values)
{
values->ref_count++;
return values;
}
static void
gtk_css_values_free (GtkCssValues *values)
{
int i;
GtkCssValue **v = GET_VALUES (values);
for (i = 0; i < N_VALUES (values->type); i++)
{
if (v[i])
gtk_css_value_unref (v[i]);
}
g_free (values);
}
void gtk_css_values_unref (GtkCssValues *values)
{
if (!values)
return;
values->ref_count--;
if (values->ref_count == 0)
gtk_css_values_free (values);
}
GtkCssValues *
gtk_css_values_copy (GtkCssValues *values)
{
GtkCssValues *copy;
GtkCssValue **v, **v2;
int i;
copy = gtk_css_values_new (TYPE_INDEX(values->type));
v = GET_VALUES (values);
v2 = GET_VALUES (copy);
for (i = 0; i < N_VALUES (values->type); i++)
{
if (v[i])
v2[i] = gtk_css_value_ref (v[i]);
}
return copy;
}
GtkCssValues *
gtk_css_values_new (GtkCssValuesType type)
{
GtkCssValues *values;
values = (GtkCssValues *)g_malloc0 (VALUES_SIZE(type));
values->ref_count = 1;
values->type = type;
return values;
}
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