Gui::getAnyItem(): add support for viewscreen_treasurelistst

docs/changelog.txt

@@ -56,6 +56,7 @@ changelog.txt uses a syntax similar to RST, with a few special sequences:
 - Removed ``Notes`` module (C++-only). Access ``ui.waypoints.points`` directly instead.
 - Removed ``Windows`` module (C++-only) - unused.
 - ``Constructions`` module (C++-only): removed ``t_construction``, ``isValid()``, ``getCount()``, ``getConstruction()``, and ``copyConstruction()``. Access ``world.constructions`` directly instead.
+- ``Gui::getSelectedItem()``, ``Gui::getAnyItem()``: added support for the artifacts screen
 
 ## Lua
 - ``tile-material``: fix the order of declarations. The ``GetTileMat`` function now returns the material as intended (always returned nil before). Also changed the license info, with permission of the original author.

library/modules/Gui.cpp

@@ -106,6 +106,7 @@ using namespace DFHack;
 #include "df/viewscreen_unitlistst.h"
 #include "df/viewscreen_unitst.h"
 #include "df/viewscreen_reportlistst.h"
+#include "df/viewscreen_treasurelistst.h"
 #include "df/viewscreen_workquota_conditionst.h"
 #include "df/viewscreen_workshop_profilest.h"
 #include "df/world.h"
@@ -1181,6 +1182,13 @@ df::item *Gui::getAnyItem(df::viewscreen *top)
         return NULL;
     }
 
+    if (VIRTUAL_CAST_VAR(screen, df::viewscreen_treasurelistst, top))
+    {
+        if (world)
+            return vector_get(world->items.other[df::items_other_id::ANY_ARTIFACT], screen->sel_idx);
+        return NULL;
+    }
+
     if (auto dfscreen = dfhack_viewscreen::try_cast(top))
         return dfscreen->getSelectedItem();