Fix not refreshing generic wxListCtrl after deleting last item

The check for the line being deleted being in the visible range
prevented us from refreshing anything at all if the line which was just
deleted was the last line of the control.

(cherry picked from commit 8d036af)

Author: vadz

docs/changes.txt

@@ -306,6 +306,7 @@ wxGTK:
 - Fix wxPreferencesEditor size under Wayland (#23924).
 - Fix not showing text in wxBusyInfo (#23936).
 - Make wxRB_SINGLE really work (Stefan Hansson, #23652).
+- Fix (not) refreshing virtual wxListCtrl after deleting its last item.
 
 wxMSW:
 

src/generic/listctrl.cpp

@@ -1992,13 +1992,16 @@ void wxListMainWindow::RefreshAfter( size_t lineFrom )
 {
     if ( InReportView() )
     {
-        size_t visibleFrom, visibleTo;
-        GetVisibleLinesRange(&visibleFrom, &visibleTo);
+        // Note that we don't compare lineFrom with the last visible line
+        // because we refresh the entire rectangle below it anyhow, so it
+        // doesn't matter if it's bigger than it. And we must still refresh
+        // even if lineFrom is invalid because it may have been (just) deleted
+        // when we're called from DeleteItem().
+        size_t visibleFrom;
+        GetVisibleLinesRange(&visibleFrom, nullptr);
 
         if ( lineFrom < visibleFrom )
             lineFrom = visibleFrom;
-        else if ( lineFrom > visibleTo )
-            return;
 
         wxRect rect;
         rect.x = 0;