[gtk/new-text-attributes: 3/5] textbuffer: Parse overline and hyphenation attributes

[Matthias Clasen <matthiasc src gnome org>]

commit 795ef5b4e347f003e9e8cf21bdeb4dbe53bda617
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Mar 20 23:56:41 2020 -0400

    textbuffer: Parse overline and hyphenation attributes
    
    When inserting Pango markup into a text buffer, translate
    Pango attributes for overlines and hyphenation control
    into the corresponding text tag properties.

 gtk/gtktextbuffer.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
---
diff --git a/gtk/gtktextbuffer.c b/gtk/gtktextbuffer.c
index c24bc61df4..610d79da10 100644
--- a/gtk/gtktextbuffer.c
+++ b/gtk/gtktextbuffer.c
@@ -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;
 }