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Add backwards compat back

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Apparently, there's lots of font: "pango font description" out there,
so keep parsing this, with a deprecation warning.
This commit is contained in:
Matthias Clasen 2016-04-18 14:09:41 -04:00
parent df22f3017b
commit 68ce676498
1 changed files with 61 additions and 0 deletions
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61
gtk/gtkcssshorthandpropertyimpl.c
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@ -424,6 +424,54 @@ parse_border (GtkCssShorthandProperty *shorthand,
return TRUE;
}
static gboolean
parse_font_with_pango (GtkCssShorthandProperty *shorthand,
GtkCssValue **values,
GtkCssParser *parser)
{
PangoFontDescription *desc;
guint mask;
char *str;
str = _gtk_css_parser_read_value (parser);
if (str == NULL)
return FALSE;
desc = pango_font_description_from_string (str);
g_free (str);
mask = pango_font_description_get_set_fields (desc);
if (mask & PANGO_FONT_MASK_FAMILY)
{
values[0] = _gtk_css_array_value_new (_gtk_css_string_value_new (pango_font_description_get_family (desc)));
}
if (mask & PANGO_FONT_MASK_STYLE)
{
values[1] = _gtk_css_font_style_value_new (pango_font_description_get_style (desc));
}
if (mask & PANGO_FONT_MASK_VARIANT)
{
values[2] = _gtk_css_font_variant_value_new (pango_font_description_get_variant (desc));
}
if (mask & PANGO_FONT_MASK_WEIGHT)
{
values[3] = _gtk_css_font_weight_value_new (pango_font_description_get_weight (desc));
}
if (mask & PANGO_FONT_MASK_STRETCH)
{
values[4] = _gtk_css_font_stretch_value_new (pango_font_description_get_stretch (desc));
}
if (mask & PANGO_FONT_MASK_SIZE)
{
values[5] = _gtk_css_number_value_new ((double) pango_font_description_get_size (desc) / PANGO_SCALE, GTK_CSS_PX);
}
pango_font_description_free (desc);
return TRUE;
}
static gboolean
parse_font (GtkCssShorthandProperty *shorthand,
GtkCssValue **values,
@ -462,6 +510,19 @@ parse_font (GtkCssShorthandProperty *shorthand,
while (parsed_one && !value_is_done_parsing (parser));
values[5] = gtk_css_font_size_value_parse (parser);
if (values[1] == NULL && values[2] == NULL && values[3] == NULL &&
values[4] == NULL && values[5] == NULL)
{
if (parse_font_with_pango (shorthand, values, parser))
{
_gtk_css_parser_error_full (parser,
GTK_CSS_PROVIDER_ERROR_DEPRECATED,
"Using Pango syntax for the font: style property is deprecated; please use CSS syntax");
return TRUE;
}
}
values[0] = gtk_css_font_family_value_parse (parser);
return values[0] != NULL && values[5] != NULL;