+
+/* Apply styles to a segment of text in a GtkTextBuffer, combining multiple
+ * GtkTextTags.
+ */
+void
+style_apply(winid_t win, GtkTextIter *start, GtkTextIter *end)
+{
+ GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(win->widget) );
+ GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
+
+ GtkTextTag *default_tag = gtk_text_tag_table_lookup(tags, "default");
+ GtkTextTag *style_tag = gtk_text_tag_table_lookup(tags, win->window_stream->style);
+ GtkTextTag *glk_style_tag = gtk_text_tag_table_lookup(tags, win->window_stream->glk_style);
+
+ // Player's style overrides
+ gtk_text_buffer_apply_tag(buffer, style_tag, start, end);
+
+ // GLK Program's style overrides
+ gtk_text_buffer_apply_tag(buffer, glk_style_tag, start, end);
+
+ // Default style
+ gtk_text_buffer_apply_tag(buffer, default_tag, start, end);
+
+ // Link style overrides
+ if(win->window_stream->hyperlink_mode) {
+ GtkTextTag *link_style_tag = gtk_text_tag_table_lookup(tags, "hyperlink");
+ GtkTextTag *link_tag = win->current_hyperlink->tag;
+ gtk_text_buffer_apply_tag(buffer, link_style_tag, start, end);
+ gtk_text_buffer_apply_tag(buffer, link_tag, start, end);
+ }
+
+ // GLK Program's style overrides using garglk_set_zcolors()
+ if(win->zcolor != NULL) {
+ gtk_text_buffer_apply_tag(buffer, win->zcolor, start, end);
+ }
+
+ // GLK Program's style overrides using garglk_set_reversevideo()
+ if(win->zcolor_reversed != NULL) {
+ gtk_text_buffer_apply_tag(buffer, win->zcolor_reversed, start, end);
+ }
+}
+