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textbuffer: Parse overline and hyphenation attributes

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When inserting Pango markup into a text buffer, translate
Pango attributes for overlines and hyphenation control
into the corresponding text tag properties.
This commit is contained in:
Matthias Clasen
2020-03-20 23:56:41 -04:00
parent fd9c911c3a
commit 795ef5b4e3
1 changed files with 30 additions and 0 deletions
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30
gtk/gtktextbuffer.c
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@@ -4758,6 +4758,10 @@ get_tag_for_attributes (PangoAttrIterator *iter)
if (attr)
g_object_set (tag, "underline", ((PangoAttrInt*)attr)->value, NULL);
attr = pango_attr_iterator_get (iter, PANGO_ATTR_OVERLINE);
if (attr)
g_object_set (tag, "overline", ((PangoAttrInt*)attr)->value, NULL);
attr = pango_attr_iterator_get (iter, PANGO_ATTR_UNDERLINE_COLOR);
if (attr)
{
@@ -4772,6 +4776,20 @@ get_tag_for_attributes (PangoAttrIterator *iter)
g_object_set (tag, "underline-rgba", &rgba, NULL);
}
attr = pango_attr_iterator_get (iter, PANGO_ATTR_OVERLINE_COLOR);
if (attr)
{
PangoColor *color;
GdkRGBA rgba;
color = &((PangoAttrColor*)attr)->color;
rgba.red = color->red / 65535.;
rgba.green = color->green / 65535.;
rgba.blue = color->blue / 65535.;
rgba.alpha = 1.;
g_object_set (tag, "overline-rgba", &rgba, NULL);
}
attr = pango_attr_iterator_get (iter, PANGO_ATTR_STRIKETHROUGH);
if (attr)
g_object_set (tag, "strikethrough", (gboolean) (((PangoAttrInt*)attr)->value != 0), NULL);
@@ -4810,6 +4828,18 @@ get_tag_for_attributes (PangoAttrIterator *iter)
if (attr)
g_object_set (tag, "font-features", ((PangoAttrString*)attr)->value, NULL);
attr = pango_attr_iterator_get (iter, PANGO_ATTR_ALLOW_BREAKS);
if (attr)
g_object_set (tag, "allow-breaks", ((PangoAttrInt*)attr)->value, NULL);
attr = pango_attr_iterator_get (iter, PANGO_ATTR_SHOW);
if (attr)
g_object_set (tag, "show-spaces", ((PangoAttrInt*)attr)->value, NULL);
attr = pango_attr_iterator_get (iter, PANGO_ATTR_INSERT_HYPHENS);
if (attr)
g_object_set (tag, "insert-hyphens", ((PangoAttrInt*)attr)->value, NULL);
return tag;
}