use icon for main button

control.lua

@@ -170,6 +170,7 @@ local function initGlob()
     global["config-tmp"] = {}
     global["storage"] = {}
     global.entitiesToInsert = {}
+    global.version = "0.0.2"
   end
 
   global.entitiesToInsert = global.entitiesToInsert or {}
@@ -179,10 +180,15 @@ local function initGlob()
   global["storage"] = global["storage"] or {}
 
   for _, player in pairs(game.players) do
+    if global.version < "0.0.5" then
+      if player.gui.top["module-inserter-config-button"] then
+        player.gui.top["module-inserter-config-button"].destroy()
+      end
+      global.version = "0.0.5"
+    end
     gui_init(player, false)
   end
-
-  global.version = "0.0.2"
+  global.version = "0.0.5"
 end
 
 local function oninit() initGlob() end

data-final-fixes.lua

@@ -103,7 +103,6 @@ for r,_ in pairs(tmpTable) do
   table.insert(metaProductivityRecipesR.effects, {type="unlock-recipe", recipe=r})
 end
 
-
 data:extend({metaProductivityRecipesR})
 
 data.raw["gui-style"].default["mi-icon-style"] =

gui.lua

@@ -131,7 +131,8 @@ function gui_init(player, after_research)
     player.gui.top.add{
       type = "button",
       name = "module-inserter-config-button",
-      caption = {"module-inserter-config-button-caption"}
+      --caption = {"module-inserter-config-button-caption"}
+      style = "module-inserter-button"
     }
   end
 end

info.json

@@ -1,6 +1,6 @@
 {
   "name": "ModuleInserter",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "title": "Module Inserter",
   "author": "Choumiko",
   "homepage": "",

prototypes/style.lua

@@ -13,4 +13,50 @@ data.raw["gui-style"].default["module-inserter-small-button"] = {
   font = "module-inserter-small-font"
 }
 
-
+data.raw["gui-style"].default["module-inserter-button"] =
+{
+    type = "button_style",
+    parent = "button_style",
+    width = 33,
+    height = 33,
+    top_padding = 6,
+    right_padding = 0,
+    bottom_padding = 0,
+    left_padding = 0,
+    font = "module-inserter-small-font",
+    default_graphical_set =
+    {
+        type = "monolith",
+        monolith_image =
+        {
+            filename = "__ModuleInserter__/graphics/gui.png",
+            priority = "extra-high-no-scale",
+            width = 32,
+            height = 32,
+            x = 64
+        }
+    },
+    hovered_graphical_set =
+    {
+        type = "monolith",
+        monolith_image =
+        {
+            filename = "__ModuleInserter__/graphics/gui.png",
+            priority = "extra-high-no-scale",
+            width = 32,
+            height = 32,
+            x = 96
+        }
+    },
+    clicked_graphical_set =
+    {
+        type = "monolith",
+        monolith_image =
+        {
+            filename = "__ModuleInserter__/graphics/gui.png",
+            width = 32,
+            height = 32,
+            x = 96
+        }
+    }
+}