Add match_empty option to menubar

lib/menubar/init.lua

@@ -90,6 +90,10 @@ menubar.cache_entries = true
 -- @tfield[opt=true] boolean show_categories
 menubar.show_categories = true
 
+--- When false will hide results if the current query is empty
+-- @tfield[opt=true] boolean match_empty
+menubar.match_empty = true
+
 --- Specifies the geometry of the menubar. This is a table with the keys
 -- x, y, width and height. Missing values are replaced via the screen's
 -- geometry. However, missing height is replaced by the font size.
@@ -310,7 +314,7 @@ local function menulist_update(scr)
     end
 
     -- Add the applications according to their name and cmdline
-    for _, v in ipairs(menubar.menu_entries) do
+    local add_entry = function(v)
         v.focused = false
         if not current_category or v.category == current_category then
 
@@ -342,6 +346,14 @@ local function menulist_update(scr)
         end
     end
 
+    -- Add entries if required
+    if query ~= "" or menubar.match_empty then
+        for _, v in ipairs(menubar.menu_entries) do
+            add_entry(v)
+        end
+    end
+
+
     local function compare_counts(a, b)
         if a.prio == b.prio then
             return a.weight > b.weight