display secondary subtitle in selected text

Co-authored-by: Ren Tatsumoto <tatsu@autistici.org>

subs2srs.lua

@@ -529,10 +529,18 @@ end
 function menu:print_selection(osd)
     if subs_observer.is_appending() and config.show_selected_text then
         osd:new_layer():size(config.menu_font_size):font(config.menu_font_name):align(6)
-        osd:submenu("Selected text"):newline()
+        osd:submenu("Primary text"):newline()
         for _, s in ipairs(subs_observer.recorded_subs()) do
             osd:text(escape_for_osd(s['text'])):newline()
         end
+        if not h.is_empty(config.secondary_field) then
+            -- If the user wants to add secondary subs to Anki,
+            -- it's okay to print them on the screen.
+            osd:submenu("Secondary text"):newline()
+            for _, s in ipairs(subs_observer.recorded_secondary_subs()) do
+                osd:text(escape_for_osd(s['text'])):newline()
+            end
+        end
     end
 end
 

subtitles/observer.lua

@@ -241,6 +241,10 @@ self.recorded_subs = function()
     return dialogs.get_subs_list()
 end
 
+self.recorded_secondary_subs = function()
+    return secondary_dialogs.get_subs_list()
+end
+
 self.autocopy_status_str = function()
     return string.format(
             "%s (%s)",