replace deprecated classes, update code, fix errors, add missing stuff

po/flashcards.pot

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: flashcards\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2022-11-28 22:18+0100\n"
+"POT-Creation-Date: 2025-02-05 18:52+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -17,18 +17,26 @@ msgstr ""
 "Content-Type: text/plain; charset=CHARSET\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: resources/window.blp:5 src/flashcardsappwin.c:28
+#: resources/ui/window.blp:5 resources/ui/window.blp:54 src/flashcardsapp.c:42
 msgid "Flashcards"
 msgstr ""
 
-#: resources/window.blp:20
-msgid "Topics"
+#: resources/ui/window.blp:17
+msgid "Categories"
 msgstr ""
 
-#: resources/window.blp:94
-msgid "Upgrade Assistant"
-msgstr ""
-
-#: resources/window.blp:98
+#: resources/ui/window.blp:96
 msgid "About Flashcards"
 msgstr ""
+
+#: resources/ui/create-category.blp:9
+msgid "Cancel"
+msgstr ""
+
+#: resources/ui/create-category.blp:10
+msgid "Add"
+msgstr ""
+
+#: src/flashcardsapp.c:45
+msgid "translator-credits"
+msgstr ""