forked from AuroraMiddleware/gtk
textbuffer: Redo insert markup a little bit
Redo the tag insertion function to avoid quadratic behavior, and at the same time, fix handling of alpha for color attributes. Update the copy of this function in gtk4-demo as well.
This commit is contained in:
Matthias Clasen
parent
c1e33056fb
commit
6b708e9b60
@ -24,15 +24,29 @@ insert_tags_for_attributes (GtkTextBuffer *buffer,
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GtkTextIter *end)
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{
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GtkTextTagTable *table;
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PangoAttribute *attr;
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GSList *attrs, *l;
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GtkTextTag *tag;
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char name[256];
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float fg_alpha, bg_alpha;
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table = gtk_text_buffer_get_tag_table (buffer);
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#define STRING_ATTR(pango_attr_name, attr_name) \
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attr = pango_attr_iterator_get (iter, pango_attr_name); \
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if (attr) \
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#define LANGUAGE_ATTR(attr_name) \
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{ \
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const char *language = pango_language_to_string (((PangoAttrLanguage*)attr)->value); \
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g_snprintf (name, 256, "language=%s", language); \
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tag = gtk_text_tag_table_lookup (table, name); \
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if (!tag) \
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{ \
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tag = gtk_text_tag_new (name); \
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g_object_set (tag, #attr_name, language, NULL); \
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gtk_text_tag_table_add (table, tag); \
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g_object_unref (tag); \
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} \
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gtk_text_buffer_apply_tag (buffer, tag, start, end); \
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}
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#define STRING_ATTR(attr_name) \
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{ \
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const char *string = ((PangoAttrString*)attr)->value; \
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g_snprintf (name, 256, #attr_name "=%s", string); \
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@ -47,9 +61,7 @@ insert_tags_for_attributes (GtkTextBuffer *buffer,
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gtk_text_buffer_apply_tag (buffer, tag, start, end); \
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}
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#define INT_ATTR(pango_attr_name, attr_name) \
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attr = pango_attr_iterator_get (iter, pango_attr_name); \
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if (attr) \
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#define INT_ATTR(attr_name) \
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{ \
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int value = ((PangoAttrInt*)attr)->value; \
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g_snprintf (name, 256, #attr_name "=%d", value); \
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@ -64,9 +76,24 @@ insert_tags_for_attributes (GtkTextBuffer *buffer,
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gtk_text_buffer_apply_tag (buffer, tag, start, end); \
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}
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#define FLOAT_ATTR(pango_attr_name, attr_name) \
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attr = pango_attr_iterator_get (iter, pango_attr_name); \
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if (attr) \
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#define FONT_ATTR(attr_name) \
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{ \
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PangoFontDescription *desc = ((PangoAttrFontDesc*)attr)->desc; \
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char *str = pango_font_description_to_string (desc); \
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g_snprintf (name, 256, "font-desc=%s", str); \
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g_free (str); \
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tag = gtk_text_tag_table_lookup (table, name); \
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if (!tag) \
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{ \
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tag = gtk_text_tag_new (name); \
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g_object_set (tag, #attr_name, desc, NULL); \
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gtk_text_tag_table_add (table, tag); \
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g_object_unref (tag); \
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} \
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gtk_text_buffer_apply_tag (buffer, tag, start, end); \
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}
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#define FLOAT_ATTR(attr_name) \
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{ \
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float value = ((PangoAttrFloat*)attr)->value; \
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g_snprintf (name, 256, #attr_name "=%g", value); \
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@ -81,9 +108,7 @@ insert_tags_for_attributes (GtkTextBuffer *buffer,
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gtk_text_buffer_apply_tag (buffer, tag, start, end); \
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}
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#define RGBA_ATTR(pango_attr_name, attr_name) \
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attr = pango_attr_iterator_get (iter, pango_attr_name); \
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if (attr) \
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#define RGBA_ATTR(attr_name, alpha_value) \
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{ \
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PangoColor *color; \
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GdkRGBA rgba; \
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@ -91,7 +116,7 @@ insert_tags_for_attributes (GtkTextBuffer *buffer,
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rgba.red = color->red / 65535.; \
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rgba.green = color->green / 65535.; \
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rgba.blue = color->blue / 65535.; \
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rgba.alpha = 1.; \
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rgba.alpha = alpha_value; \
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char *str = gdk_rgba_to_string (&rgba); \
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g_snprintf (name, 256, #attr_name "=%s", str); \
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g_free (str); \
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@ -106,63 +131,153 @@ insert_tags_for_attributes (GtkTextBuffer *buffer,
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gtk_text_buffer_apply_tag (buffer, tag, start, end); \
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}
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attr = pango_attr_iterator_get (iter, PANGO_ATTR_LANGUAGE);
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if (attr)
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fg_alpha = bg_alpha = 1.;
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attrs = pango_attr_iterator_get_attrs (iter);
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for (l = attrs; l; l = l->next)
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{
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const char *language = pango_language_to_string (((PangoAttrLanguage*)attr)->value);
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g_snprintf (name, 256, "language=%s", language);
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tag = gtk_text_tag_table_lookup (table, name);
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if (!tag)
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PangoAttribute *attr = l->data;
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switch ((int)attr->klass->type)
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{
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tag = gtk_text_tag_new (name);
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g_object_set (tag, "language", language, NULL);
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gtk_text_tag_table_add (table, tag);
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g_object_unref (tag);
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case PANGO_ATTR_FOREGROUND_ALPHA:
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fg_alpha = ((PangoAttrInt*)attr)->value / 65535.;
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break;
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case PANGO_ATTR_BACKGROUND_ALPHA:
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bg_alpha = ((PangoAttrInt*)attr)->value / 65535.;
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break;
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default:
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break;
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}
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gtk_text_buffer_apply_tag (buffer, tag, start, end);
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}
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STRING_ATTR (PANGO_ATTR_FAMILY, family)
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INT_ATTR (PANGO_ATTR_STYLE, style)
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INT_ATTR (PANGO_ATTR_WEIGHT, weight)
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INT_ATTR (PANGO_ATTR_VARIANT, variant)
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INT_ATTR (PANGO_ATTR_STRETCH, stretch)
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INT_ATTR (PANGO_ATTR_SIZE, size)
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attr = pango_attr_iterator_get (iter, PANGO_ATTR_FONT_DESC);
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if (attr)
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for (l = attrs; l; l = l->next)
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{
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PangoFontDescription *desc = ((PangoAttrFontDesc*)attr)->desc;
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char *str = pango_font_description_to_string (desc);
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g_snprintf (name, 256, "font-desc=%s", str);
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g_free (str);
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tag = gtk_text_tag_table_lookup (table, name);
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if (!tag)
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PangoAttribute *attr = l->data;
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switch (attr->klass->type)
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{
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tag = gtk_text_tag_new (name);
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g_object_set (tag, "font-desc", desc, NULL);
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gtk_text_tag_table_add (table, tag);
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g_object_unref (tag);
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case PANGO_ATTR_LANGUAGE:
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LANGUAGE_ATTR (language);
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break;
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case PANGO_ATTR_FAMILY:
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STRING_ATTR (family);
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break;
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case PANGO_ATTR_STYLE:
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INT_ATTR (style);
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break;
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case PANGO_ATTR_WEIGHT:
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INT_ATTR (weight);
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break;
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case PANGO_ATTR_VARIANT:
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INT_ATTR (variant);
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break;
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case PANGO_ATTR_STRETCH:
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INT_ATTR (stretch);
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break;
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case PANGO_ATTR_SIZE:
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INT_ATTR (size);
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break;
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case PANGO_ATTR_FONT_DESC:
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FONT_ATTR (font-desc);
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break;
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case PANGO_ATTR_FOREGROUND:
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RGBA_ATTR (foreground_rgba, fg_alpha);
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break;
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case PANGO_ATTR_BACKGROUND:
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RGBA_ATTR (background_rgba, bg_alpha);
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break;
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case PANGO_ATTR_UNDERLINE:
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INT_ATTR (underline);
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break;
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case PANGO_ATTR_UNDERLINE_COLOR:
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RGBA_ATTR (underline_rgba, fg_alpha);
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break;
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case PANGO_ATTR_OVERLINE:
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INT_ATTR (overline);
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break;
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case PANGO_ATTR_OVERLINE_COLOR:
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RGBA_ATTR (overline_rgba, fg_alpha);
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break;
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case PANGO_ATTR_STRIKETHROUGH:
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INT_ATTR (strikethrough);
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break;
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case PANGO_ATTR_STRIKETHROUGH_COLOR:
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RGBA_ATTR (strikethrough_rgba, fg_alpha);
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break;
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case PANGO_ATTR_RISE:
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INT_ATTR (rise);
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break;
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case PANGO_ATTR_SCALE:
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FLOAT_ATTR (scale);
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break;
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case PANGO_ATTR_FALLBACK:
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INT_ATTR (fallback);
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break;
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case PANGO_ATTR_LETTER_SPACING:
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INT_ATTR (letter_spacing);
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break;
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case PANGO_ATTR_FONT_FEATURES:
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STRING_ATTR (font_features);
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break;
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case PANGO_ATTR_ALLOW_BREAKS:
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INT_ATTR (allow_breaks);
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break;
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case PANGO_ATTR_SHOW:
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INT_ATTR (show_spaces);
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break;
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case PANGO_ATTR_INSERT_HYPHENS:
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INT_ATTR (insert_hyphens);
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break;
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case PANGO_ATTR_SHAPE:
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case PANGO_ATTR_ABSOLUTE_SIZE:
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case PANGO_ATTR_GRAVITY:
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case PANGO_ATTR_GRAVITY_HINT:
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case PANGO_ATTR_FOREGROUND_ALPHA:
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case PANGO_ATTR_BACKGROUND_ALPHA:
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break;
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case PANGO_ATTR_INVALID:
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default:
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g_assert_not_reached ();
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break;
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}
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gtk_text_buffer_apply_tag (buffer, tag, start, end);
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}
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RGBA_ATTR (PANGO_ATTR_FOREGROUND, foreground_rgba)
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RGBA_ATTR (PANGO_ATTR_BACKGROUND, background_rgba)
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INT_ATTR (PANGO_ATTR_UNDERLINE, underline)
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RGBA_ATTR (PANGO_ATTR_UNDERLINE_COLOR, underline_rgba)
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INT_ATTR (PANGO_ATTR_OVERLINE, overline)
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RGBA_ATTR (PANGO_ATTR_OVERLINE_COLOR, overline_rgba)
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INT_ATTR (PANGO_ATTR_STRIKETHROUGH, strikethrough)
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RGBA_ATTR (PANGO_ATTR_STRIKETHROUGH_COLOR, strikethrough_rgba)
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INT_ATTR (PANGO_ATTR_RISE, rise)
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FLOAT_ATTR (PANGO_ATTR_SCALE, scale)
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INT_ATTR (PANGO_ATTR_FALLBACK, fallback)
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INT_ATTR (PANGO_ATTR_LETTER_SPACING, letter_spacing)
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STRING_ATTR (PANGO_ATTR_FONT_FEATURES, font_features)
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INT_ATTR (PANGO_ATTR_ALLOW_BREAKS, allow_breaks)
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INT_ATTR (PANGO_ATTR_SHOW, show_spaces)
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INT_ATTR (PANGO_ATTR_INSERT_HYPHENS, insert_hyphens)
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g_slist_free_full (attrs, (GDestroyNotify)pango_attribute_destroy);
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#undef LANGUAGE_ATTR
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#undef STRING_ATTR
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#undef INT_ATTR
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#undef FONT_ATTR
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#undef FLOAT_ATTR
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#undef RGBA_ATTR
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}
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typedef struct
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@ -4386,15 +4386,29 @@ insert_tags_for_attributes (GtkTextBuffer *buffer,
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GtkTextIter *end)
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{
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GtkTextTagTable *table;
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PangoAttribute *attr;
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GSList *attrs, *l;
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GtkTextTag *tag;
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char name[256];
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float fg_alpha, bg_alpha;
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table = gtk_text_buffer_get_tag_table (buffer);
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#define STRING_ATTR(pango_attr_name, attr_name) \
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attr = pango_attr_iterator_get (iter, pango_attr_name); \
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if (attr) \
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#define LANGUAGE_ATTR(attr_name) \
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{ \
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const char *language = pango_language_to_string (((PangoAttrLanguage*)attr)->value); \
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g_snprintf (name, 256, "language=%s", language); \
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tag = gtk_text_tag_table_lookup (table, name); \
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if (!tag) \
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{ \
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tag = gtk_text_tag_new (name); \
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g_object_set (tag, #attr_name, language, NULL); \
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gtk_text_tag_table_add (table, tag); \
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g_object_unref (tag); \
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} \
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gtk_text_buffer_apply_tag (buffer, tag, start, end); \
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}
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#define STRING_ATTR(attr_name) \
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{ \
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const char *string = ((PangoAttrString*)attr)->value; \
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g_snprintf (name, 256, #attr_name "=%s", string); \
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@ -4409,9 +4423,7 @@ insert_tags_for_attributes (GtkTextBuffer *buffer,
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gtk_text_buffer_apply_tag (buffer, tag, start, end); \
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}
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#define INT_ATTR(pango_attr_name, attr_name) \
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attr = pango_attr_iterator_get (iter, pango_attr_name); \
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if (attr) \
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#define INT_ATTR(attr_name) \
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{ \
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int value = ((PangoAttrInt*)attr)->value; \
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g_snprintf (name, 256, #attr_name "=%d", value); \
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@ -4426,9 +4438,24 @@ insert_tags_for_attributes (GtkTextBuffer *buffer,
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gtk_text_buffer_apply_tag (buffer, tag, start, end); \
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}
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#define FLOAT_ATTR(pango_attr_name, attr_name) \
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attr = pango_attr_iterator_get (iter, pango_attr_name); \
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if (attr) \
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#define FONT_ATTR(attr_name) \
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{ \
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PangoFontDescription *desc = ((PangoAttrFontDesc*)attr)->desc; \
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char *str = pango_font_description_to_string (desc); \
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g_snprintf (name, 256, "font-desc=%s", str); \
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g_free (str); \
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tag = gtk_text_tag_table_lookup (table, name); \
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if (!tag) \
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{ \
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tag = gtk_text_tag_new (name); \
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g_object_set (tag, #attr_name, desc, NULL); \
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gtk_text_tag_table_add (table, tag); \
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g_object_unref (tag); \
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} \
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gtk_text_buffer_apply_tag (buffer, tag, start, end); \
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}
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#define FLOAT_ATTR(attr_name) \
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{ \
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float value = ((PangoAttrFloat*)attr)->value; \
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g_snprintf (name, 256, #attr_name "=%g", value); \
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@ -4443,9 +4470,7 @@ insert_tags_for_attributes (GtkTextBuffer *buffer,
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gtk_text_buffer_apply_tag (buffer, tag, start, end); \
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}
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#define RGBA_ATTR(pango_attr_name, attr_name) \
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attr = pango_attr_iterator_get (iter, pango_attr_name); \
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if (attr) \
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#define RGBA_ATTR(attr_name, alpha_value) \
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{ \
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PangoColor *color; \
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GdkRGBA rgba; \
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@ -4453,7 +4478,7 @@ insert_tags_for_attributes (GtkTextBuffer *buffer,
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rgba.red = color->red / 65535.; \
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rgba.green = color->green / 65535.; \
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rgba.blue = color->blue / 65535.; \
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rgba.alpha = 1.; \
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rgba.alpha = alpha_value; \
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char *str = gdk_rgba_to_string (&rgba); \
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g_snprintf (name, 256, #attr_name "=%s", str); \
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g_free (str); \
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@ -4468,63 +4493,153 @@ insert_tags_for_attributes (GtkTextBuffer *buffer,
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gtk_text_buffer_apply_tag (buffer, tag, start, end); \
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}
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attr = pango_attr_iterator_get (iter, PANGO_ATTR_LANGUAGE);
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if (attr)
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fg_alpha = bg_alpha = 1.;
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attrs = pango_attr_iterator_get_attrs (iter);
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for (l = attrs; l; l = l->next)
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{
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const char *language = pango_language_to_string (((PangoAttrLanguage*)attr)->value);
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g_snprintf (name, 256, "language=%s", language);
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tag = gtk_text_tag_table_lookup (table, name);
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if (!tag)
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PangoAttribute *attr = l->data;
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switch ((int)attr->klass->type)
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{
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tag = gtk_text_tag_new (name);
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g_object_set (tag, "language", language, NULL);
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gtk_text_tag_table_add (table, tag);
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g_object_unref (tag);
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case PANGO_ATTR_FOREGROUND_ALPHA:
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fg_alpha = ((PangoAttrInt*)attr)->value / 65535.;
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break;
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case PANGO_ATTR_BACKGROUND_ALPHA:
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bg_alpha = ((PangoAttrInt*)attr)->value / 65535.;
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break;
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default:
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break;
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}
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gtk_text_buffer_apply_tag (buffer, tag, start, end);
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}
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STRING_ATTR (PANGO_ATTR_FAMILY, family)
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INT_ATTR (PANGO_ATTR_STYLE, style)
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INT_ATTR (PANGO_ATTR_WEIGHT, weight)
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INT_ATTR (PANGO_ATTR_VARIANT, variant)
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INT_ATTR (PANGO_ATTR_STRETCH, stretch)
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INT_ATTR (PANGO_ATTR_SIZE, size)
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attr = pango_attr_iterator_get (iter, PANGO_ATTR_FONT_DESC);
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if (attr)
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for (l = attrs; l; l = l->next)
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{
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PangoFontDescription *desc = ((PangoAttrFontDesc*)attr)->desc;
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char *str = pango_font_description_to_string (desc);
|
||||
g_snprintf (name, 256, "font-desc=%s", str);
|
||||
g_free (str);
|
||||
tag = gtk_text_tag_table_lookup (table, name);
|
||||
if (!tag)
|
||||
PangoAttribute *attr = l->data;
|
||||
|
||||
switch (attr->klass->type)
|
||||
{
|
||||
tag = gtk_text_tag_new (name);
|
||||
g_object_set (tag, "font-desc", desc, NULL);
|
||||
gtk_text_tag_table_add (table, tag);
|
||||
g_object_unref (tag);
|
||||
case PANGO_ATTR_LANGUAGE:
|
||||
LANGUAGE_ATTR (language);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_FAMILY:
|
||||
STRING_ATTR (family);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_STYLE:
|
||||
INT_ATTR (style);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_WEIGHT:
|
||||
INT_ATTR (weight);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_VARIANT:
|
||||
INT_ATTR (variant);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_STRETCH:
|
||||
INT_ATTR (stretch);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_SIZE:
|
||||
INT_ATTR (size);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_FONT_DESC:
|
||||
FONT_ATTR (font-desc);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_FOREGROUND:
|
||||
RGBA_ATTR (foreground_rgba, fg_alpha);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_BACKGROUND:
|
||||
RGBA_ATTR (background_rgba, bg_alpha);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_UNDERLINE:
|
||||
INT_ATTR (underline);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_UNDERLINE_COLOR:
|
||||
RGBA_ATTR (underline_rgba, fg_alpha);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_OVERLINE:
|
||||
INT_ATTR (overline);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_OVERLINE_COLOR:
|
||||
RGBA_ATTR (overline_rgba, fg_alpha);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_STRIKETHROUGH:
|
||||
INT_ATTR (strikethrough);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_STRIKETHROUGH_COLOR:
|
||||
RGBA_ATTR (strikethrough_rgba, fg_alpha);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_RISE:
|
||||
INT_ATTR (rise);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_SCALE:
|
||||
FLOAT_ATTR (scale);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_FALLBACK:
|
||||
INT_ATTR (fallback);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_LETTER_SPACING:
|
||||
INT_ATTR (letter_spacing);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_FONT_FEATURES:
|
||||
STRING_ATTR (font_features);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_ALLOW_BREAKS:
|
||||
INT_ATTR (allow_breaks);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_SHOW:
|
||||
INT_ATTR (show_spaces);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_INSERT_HYPHENS:
|
||||
INT_ATTR (insert_hyphens);
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_SHAPE:
|
||||
case PANGO_ATTR_ABSOLUTE_SIZE:
|
||||
case PANGO_ATTR_GRAVITY:
|
||||
case PANGO_ATTR_GRAVITY_HINT:
|
||||
case PANGO_ATTR_FOREGROUND_ALPHA:
|
||||
case PANGO_ATTR_BACKGROUND_ALPHA:
|
||||
break;
|
||||
|
||||
case PANGO_ATTR_INVALID:
|
||||
default:
|
||||
g_assert_not_reached ();
|
||||
break;
|
||||
}
|
||||
gtk_text_buffer_apply_tag (buffer, tag, start, end);
|
||||
}
|
||||
|
||||
RGBA_ATTR (PANGO_ATTR_FOREGROUND, foreground_rgba)
|
||||
RGBA_ATTR (PANGO_ATTR_BACKGROUND, background_rgba)
|
||||
INT_ATTR (PANGO_ATTR_UNDERLINE, underline)
|
||||
RGBA_ATTR (PANGO_ATTR_UNDERLINE_COLOR, underline_rgba)
|
||||
INT_ATTR (PANGO_ATTR_OVERLINE, overline)
|
||||
RGBA_ATTR (PANGO_ATTR_OVERLINE_COLOR, overline_rgba)
|
||||
INT_ATTR (PANGO_ATTR_STRIKETHROUGH, strikethrough)
|
||||
RGBA_ATTR (PANGO_ATTR_STRIKETHROUGH_COLOR, strikethrough_rgba)
|
||||
INT_ATTR (PANGO_ATTR_RISE, rise)
|
||||
FLOAT_ATTR (PANGO_ATTR_SCALE, scale)
|
||||
INT_ATTR (PANGO_ATTR_FALLBACK, fallback)
|
||||
INT_ATTR (PANGO_ATTR_LETTER_SPACING, letter_spacing)
|
||||
STRING_ATTR (PANGO_ATTR_FONT_FEATURES, font_features)
|
||||
INT_ATTR (PANGO_ATTR_ALLOW_BREAKS, allow_breaks)
|
||||
INT_ATTR (PANGO_ATTR_SHOW, show_spaces)
|
||||
INT_ATTR (PANGO_ATTR_INSERT_HYPHENS, insert_hyphens)
|
||||
g_slist_free_full (attrs, (GDestroyNotify)pango_attribute_destroy);
|
||||
|
||||
#undef LANGUAGE_ATTR
|
||||
#undef STRING_ATTR
|
||||
#undef INT_ATTR
|
||||
#undef FONT_ATTR
|
||||
#undef FLOAT_ATTR
|
||||
#undef RGBA_ATTR
|
||||
}
|
||||
|
||||
static void
|
||||
|
||||
Loading…
Reference in New Issue
Block a user