Add seperate button for resetting search

README.md

@@ -14,9 +14,10 @@ Unified inventory code is licensed under the GNU LGPLv2+.
 Licenses for textures:
 
 VanessaE: (WTFPL)
-  * ui\_group.png
+  * `ui_group.png`
 
 RealBadAngel: (WTFPL)
   * Everything else.
 
-
+Tango Project: (WTFPL)
+  * `ui_reset_icon.png

callbacks.lua

@@ -153,11 +153,17 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 
 	if fields.searchbutton then
 		unified_inventory.apply_filter(player, unified_inventory.current_searchbox[player_name], "nochange")
-		unified_inventory.current_searchbox[player_name] = ""
 		unified_inventory.set_inventory_formspec(player,
 				unified_inventory.current_page[player_name])
 		minetest.sound_play("paperflip2",
 				{to_player=player_name, gain = 1.0})
+	elseif fields.searchresetbutton then
+		unified_inventory.apply_filter(player, "", "nochange")
+		unified_inventory.current_searchbox[player_name] = ""
+		unified_inventory.set_inventory_formspec(player,
+				unified_inventory.current_page[player_name])
+		minetest.sound_play("click",
+				{to_player=player_name, gain = 0.1})
 	end
 
 	-- alternate buttons

internal.lua

@@ -179,13 +179,19 @@ function unified_inventory.get_formspec(player, page)
 			.. minetest.formspec_escape(unified_inventory.current_searchbox[player_name]) .. "]"
 		formspec[n+1] = "image_button[12.2,8.1;.8,.8;ui_search_icon.png;searchbutton;]"
 			.. "tooltip[searchbutton;" ..F("Search") .. "]"
+		formspec[n+2] = "image_button[12.9,8.1;.8,.8;ui_reset_icon.png;searchresetbutton;]"
+			.. "tooltip[searchbutton;" ..F("Search") .. "]"
+			.. "tooltip[searchresetbutton;" ..F("Reset search and display everything") .. "]"
 	else
 		formspec[n] = "field[8.5,5.225;2.2,1;searchbox;;"
 			.. minetest.formspec_escape(unified_inventory.current_searchbox[player_name]) .. "]"
 		formspec[n+1] = "image_button[10.3,5;.8,.8;ui_search_icon.png;searchbutton;]"
 			.. "tooltip[searchbutton;" ..F("Search") .. "]"
+		formspec[n+2] = "image_button[11,5;.8,.8;ui_reset_icon.png;searchresetbutton;]"
+			.. "tooltip[searchbutton;" ..F("Search") .. "]"
+			.. "tooltip[searchresetbutton;" ..F("Reset search and display everything") .. "]"
 	end
-	n = n+2
+	n = n+3
 
 	local no_matches = "No matching items"
 	if draw_lite_mode then