Implement basic multithreading support

A few CPU heavy operations, which are opening an archive and displaying
a selected Activity, have been moved to another thread to avoid having
long-running operations on the main thread.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/list_item.h b/src/list_item.h
index 9ca0aac..4514903 100644
--- a/src/list_item.h
+++ b/src/list_item.h
@@ -13,7 +13,7 @@ public:
     StatusListItem(const QString &text, StatusType status_type, bool has_attachement, Archive* data_archive, QListWidget *parent = nullptr, int index = 0);
     int get_status_index();
     StatusType get_status_type();
-    QString get_info_html(int text_zone_width, QLocale* locale);
+    const QString get_info_html(int text_zone_width, QLocale* locale);
 
 private:
     int status_index;