attempt at tool tips

attempt-at-tooltips

diff --git a/data/mods/default/init.lua b/data/mods/default/init.lua
index 4acf8d8..697a4d2 100644
--- a/data/mods/default/init.lua
+++ b/data/mods/default/init.lua
@@ -346,6 +346,7 @@ minetest.register_tool(":", {
 })
 
 minetest.register_tool("default:pick_wood", {
+	description = "Wooden Pickaxe",
 	image = "default_tool_woodpick.png",
 	basetime = 2.0,
 	dt_weight = 0,
@@ -359,6 +360,7 @@ minetest.register_tool("default:pick_wood", {
 	dd_cuttability = 0,
 })
 minetest.register_tool("default:pick_stone", {
+	description = "Stone Pickaxe",
 	image = "default_tool_stonepick.png",
 	basetime = 1.5,
 	dt_weight = 0,
@@ -372,6 +374,7 @@ minetest.register_tool("default:pick_stone", {
 	dd_cuttability = 0,
 })
 minetest.register_tool("default:pick_steel", {
+	description = "Steel Pickaxe",
 	image = "default_tool_steelpick.png",
 	basetime = 1.0,
 	dt_weight = 0,
@@ -385,6 +388,7 @@ minetest.register_tool("default:pick_steel", {
 	dd_cuttability = 0,
 })
 minetest.register_tool("default:pick_mese", {
+	description = "Mese Pickaxe",
 	image = "default_tool_mesepick.png",
 	basetime = 0,
 	dt_weight = 0,
@@ -398,6 +402,7 @@ minetest.register_tool("default:pick_mese", {
 	dd_cuttability = 0,
 })
 minetest.register_tool("default:shovel_wood", {
+	description = "Wooden Shovel",
 	image = "default_tool_woodshovel.png",
 	basetime = 2.0,
 	dt_weight = 0.5,
@@ -411,6 +416,7 @@ minetest.register_tool("default:shovel_wood", {
 	dd_cuttability = 0,
 })
 minetest.register_tool("default:shovel_stone", {
+	description = "Stone Shovel",
 	image = "default_tool_stoneshovel.png",
 	basetime = 1.5,
 	dt_weight = 0.5,
@@ -424,6 +430,7 @@ minetest.register_tool("default:shovel_stone", {
 	dd_cuttability = 0,
 })
 minetest.register_tool("default:shovel_steel", {
+	description = "Steel Shovel",
 	image = "default_tool_steelshovel.png",
 	basetime = 1.0,
 	dt_weight = 0.5,
@@ -437,6 +444,7 @@ minetest.register_tool("default:shovel_steel", {
 	dd_cuttability = 0,
 })
 minetest.register_tool("default:axe_wood", {
+	description = "Wooden Axe",
 	image = "default_tool_woodaxe.png",
 	basetime = 2.0,
 	dt_weight = 0.5,
@@ -450,6 +458,7 @@ minetest.register_tool("default:axe_wood", {
 	dd_cuttability = 0,
 })
 minetest.register_tool("default:axe_stone", {
+	description = "Stone Axe",
 	image = "default_tool_stoneaxe.png",
 	basetime = 1.5,
 	dt_weight = 0.5,
@@ -463,6 +472,7 @@ minetest.register_tool("default:axe_stone", {
 	dd_cuttability = 0,
 })
 minetest.register_tool("default:axe_steel", {
+	description = "Steel Axe",
 	image = "default_tool_steelaxe.png",
 	basetime = 1.0,
 	dt_weight = 0.5,
@@ -476,6 +486,7 @@ minetest.register_tool("default:axe_steel", {
 	dd_cuttability = 0,
 })
 minetest.register_tool("default:sword_wood", {
+	description = "Wooden Sword",
 	image = "default_tool_woodsword.png",
 	basetime = 3.0,
 	dt_weight = 3,
@@ -489,6 +500,7 @@ minetest.register_tool("default:sword_wood", {
 	dd_cuttability = 0,
 })
 minetest.register_tool("default:sword_stone", {
+	description = "Stone Sword",
 	image = "default_tool_stonesword.png",
 	basetime = 2.5,
 	dt_weight = 3,
@@ -502,6 +514,7 @@ minetest.register_tool("default:sword_stone", {
 	dd_cuttability = 0,
 })
 minetest.register_tool("default:sword_steel", {
+	description = "Steel Sword",
 	image = "default_tool_steelsword.png",
 	basetime = 2.0,
 	dt_weight = 3,
@@ -783,6 +796,7 @@ minetest.register_craft({
 --
 
 minetest.register_node("default:stone", {
+	description = "Stone",
 	tile_images = {"default_stone.png"},
 	inventory_image = minetest.inventorycube("default_stone.png"),
 	paramtype = "mineral",
@@ -793,6 +807,7 @@ minetest.register_node("default:stone", {
 })
 
 minetest.register_node("default:dirt_with_grass", {
+	description = "Grass",
 	tile_images = {"default_grass.png", "default_dirt.png", "default_dirt.png^default_grass_side.png"},
 	inventory_image = minetest.inventorycube("default_dirt.png^default_grass_side.png"),
 	is_ground_content = true,
@@ -801,6 +816,7 @@ minetest.register_node("default:dirt_with_grass", {
 })
 
 minetest.register_node("default:dirt_with_grass_footsteps", {
+	description = "Grass 2",
 	tile_images = {"default_grass_footsteps.png", "default_dirt.png", "default_dirt.png^default_grass_side.png"},
 	inventory_image = "default_grass_footsteps.png",
 	is_ground_content = true,
@@ -809,6 +825,7 @@ minetest.register_node("default:dirt_with_grass_footsteps", {
 })
 
 minetest.register_node("default:dirt", {
+	description = "Dirt",
 	tile_images = {"default_dirt.png"},
 	inventory_image = minetest.inventorycube("default_dirt.png"),
 	is_ground_content = true,
@@ -816,6 +833,7 @@ minetest.register_node("default:dirt", {
 })
 
 minetest.register_node("default:sand", {
+	description = "Sand",
 	tile_images = {"default_sand.png"},
 	inventory_image = minetest.inventorycube("default_sand.png"),
 	is_ground_content = true,
@@ -824,6 +842,7 @@ minetest.register_node("default:sand", {
 })
 
 minetest.register_node("default:gravel", {
+	description = "Gravel",
 	tile_images = {"default_gravel.png"},
 	inventory_image = minetest.inventorycube("default_gravel.png"),
 	is_ground_content = true,
@@ -831,6 +850,7 @@ minetest.register_node("default:gravel", {
 })
 
 minetest.register_node("default:sandstone", {
+	description = "Sandstone",
 	tile_images = {"default_sandstone.png"},
 	inventory_image = minetest.inventorycube("default_sandstone.png"),
 	is_ground_content = true,
@@ -839,6 +859,7 @@ minetest.register_node("default:sandstone", {
 })
 
 minetest.register_node("default:clay", {
+	description = "Clay",
 	tile_images = {"default_clay.png"},
 	inventory_image = minetest.inventorycube("default_clay.png"),
 	is_ground_content = true,
@@ -847,6 +868,7 @@ minetest.register_node("default:clay", {
 })
 
 minetest.register_node("default:brick", {
+	description = "Brick",
 	tile_images = {"default_brick.png"},
 	inventory_image = minetest.inventorycube("default_brick.png"),
 	is_ground_content = true,
@@ -855,6 +877,7 @@ minetest.register_node("default:brick", {
 })
 
 minetest.register_node("default:tree", {
+	description = "Log",
 	tile_images = {"default_tree_top.png", "default_tree_top.png", "default_tree.png"},
 	inventory_image = minetest.inventorycube("default_tree_top.png", "default_tree.png", "default_tree.png"),
 	is_ground_content = true,
@@ -864,6 +887,7 @@ minetest.register_node("default:tree", {
 })
 
 minetest.register_node("default:jungletree", {
+	description = "Log",
 	tile_images = {"default_jungletree_top.png", "default_jungletree_top.png", "default_jungletree.png"},
 	inventory_image = minetest.inventorycube("default_jungletree_top.png", "default_jungletree.png", "default_jungletree.png"),
 	is_ground_content = true,
@@ -873,6 +897,7 @@ minetest.register_node("default:jungletree", {
 })
 
 minetest.register_node("default:junglegrass", {
+	description = "Jungle Grass",
 	drawtype = "plantlike",
 	visual_scale = 1.3,
 	tile_images = {"default_junglegrass.png"},
@@ -885,6 +910,7 @@ minetest.register_node("default:junglegrass", {
 })
 
 minetest.register_node("default:leaves", {
+	description = "Leaves",
 	drawtype = "allfaces_optional",
 	visual_scale = 1.3,
 	tile_images = {"default_leaves.png"},
@@ -898,6 +924,7 @@ minetest.register_node("default:leaves", {
 })
 
 minetest.register_node("default:cactus", {
+	description = "Cactus",
 	tile_images = {"default_cactus_top.png", "default_cactus_top.png", "default_cactus_side.png"},
 	inventory_image = minetest.inventorycube("default_cactus_top.png", "default_cactus_side.png", "default_cactus_side.png"),
 	is_ground_content = true,
@@ -906,6 +933,7 @@ minetest.register_node("default:cactus", {
 })
 
 minetest.register_node("default:papyrus", {
+	description = "Papyrus",
 	drawtype = "plantlike",
 	tile_images = {"default_papyrus.png"},
 	inventory_image = "default_papyrus.png",
@@ -918,6 +946,7 @@ minetest.register_node("default:papyrus", {
 })
 
 minetest.register_node("default:bookshelf", {
+	description = "Bookshelf",
 	tile_images = {"default_wood.png", "default_wood.png", "default_bookshelf.png"},
 	inventory_image = minetest.inventorycube("default_wood.png", "default_bookshelf.png", "default_bookshelf.png"),
 	is_ground_content = true,
@@ -926,6 +955,7 @@ minetest.register_node("default:bookshelf", {
 })
 
 minetest.register_node("default:glass", {
+	description = "Glass",
 	drawtype = "glasslike",
 	tile_images = {"default_glass.png"},
 	inventory_image = minetest.inventorycube("default_glass.png"),
@@ -937,6 +967,7 @@ minetest.register_node("default:glass", {
 })
 
 minetest.register_node("default:fence_wooden", {
+	description = "Wooden Fence",
 	drawtype = "fencelike",
 	tile_images = {"default_wood.png"},
 	inventory_image = "default_fence.png",
@@ -952,6 +983,7 @@ minetest.register_node("default:fence_wooden", {
 })
 
 minetest.register_node("default:rail", {
+	description = "Rail",
 	drawtype = "raillike",
 	tile_images = {"default_rail.png", "default_rail_curved.png", "default_rail_t_junction.png", "default_rail_crossing.png"},
 	inventory_image = "default_rail.png",
@@ -967,6 +999,7 @@ minetest.register_node("default:rail", {
 })
 
 minetest.register_node("default:ladder", {
+	description = "Ladder",
 	drawtype = "signlike",
 	tile_images = {"default_ladder.png"},
 	inventory_image = "default_ladder.png",
@@ -987,6 +1020,7 @@ minetest.register_node("default:ladder", {
 })
 
 minetest.register_node("default:wood", {
+	description = "Wood Plank",
 	tile_images = {"default_wood.png"},
 	inventory_image = minetest.inventorycube("default_wood.png"),
 	is_ground_content = true,
@@ -995,6 +1029,7 @@ minetest.register_node("default:wood", {
 })
 
 minetest.register_node("default:mese", {
+	description = "Mese",
 	tile_images = {"default_mese.png"},
 	inventory_image = minetest.inventorycube("default_mese.png"),
 	is_ground_content = true,
@@ -1003,12 +1038,14 @@ minetest.register_node("default:mese", {
 })
 
 minetest.register_node("default:cloud", {
+	description = "Cloud",
 	tile_images = {"default_cloud.png"},
 	inventory_image = minetest.inventorycube("default_cloud.png"),
 	is_ground_content = true,
 })
 
 minetest.register_node("default:water_flowing", {
+	description = "Water",
 	drawtype = "flowingliquid",
 	tile_images = {"default_water.png"},
 	alpha = WATER_ALPHA,
@@ -1031,6 +1068,7 @@ minetest.register_node("default:water_flowing", {
 })
 
 minetest.register_node("default:water_source", {
+	description = "Water Source",
 	drawtype = "liquid",
 	tile_images = {"default_water.png"},
 	alpha = WATER_ALPHA,
@@ -1053,6 +1091,7 @@ minetest.register_node("default:water_source", {
 })
 
 minetest.register_node("default:lava_flowing", {
+	description = "Lava",
 	drawtype = "flowingliquid",
 	tile_images = {"default_lava.png"},
 	inventory_image = minetest.inventorycube("default_lava.png"),
@@ -1076,6 +1115,7 @@ minetest.register_node("default:lava_flowing", {
 })
 
 minetest.register_node("default:lava_source", {
+	description = "Lava Source",
 	drawtype = "liquid",
 	tile_images = {"default_lava.png"},
 	inventory_image = minetest.inventorycube("default_lava.png"),
@@ -1100,6 +1140,7 @@ minetest.register_node("default:lava_source", {
 })
 
 minetest.register_node("default:torch", {
+	description = "Torch",
 	drawtype = "torchlike",
 	tile_images = {"default_torch_on_floor.png", "default_torch_on_ceiling.png", "default_torch.png"},
 	inventory_image = "default_torch_on_floor.png",
@@ -1120,6 +1161,7 @@ minetest.register_node("default:torch", {
 })
 
 minetest.register_node("default:sign_wall", {
+	description = "Sign",
 	drawtype = "signlike",
 	tile_images = {"default_sign_wall.png"},
 	inventory_image = "default_sign_wall.png",
@@ -1140,6 +1182,7 @@ minetest.register_node("default:sign_wall", {
 })
 
 minetest.register_node("default:chest", {
+	description = "Chest",
 	tile_images = {"default_chest_top.png", "default_chest_top.png", "default_chest_side.png",
 		"default_chest_side.png", "default_chest_side.png", "default_chest_front.png"},
 	inventory_image = minetest.inventorycube("default_chest_top.png", "default_chest_front.png", "default_chest_side.png"),
@@ -1150,6 +1193,7 @@ minetest.register_node("default:chest", {
 })
 
 minetest.register_node("default:chest_locked", {
+	description = "Locked Chest",
 	tile_images = {"default_chest_top.png", "default_chest_top.png", "default_chest_side.png",
 		"default_chest_side.png", "default_chest_side.png", "default_chest_lock.png"},
 	inventory_image = minetest.inventorycube("default_chest_top.png", "default_chest_lock.png", "default_chest_side.png"),
@@ -1160,6 +1204,7 @@ minetest.register_node("default:chest_locked", {
 })
 
 minetest.register_node("default:furnace", {
+	description = "Furnace",
 	tile_images = {"default_furnace_side.png", "default_furnace_side.png", "default_furnace_side.png",
 		"default_furnace_side.png", "default_furnace_side.png", "default_furnace_front.png"},
 	inventory_image = minetest.inventorycube("default_furnace_side.png", "default_furnace_front.png", "default_furnace_side.png"),
@@ -1169,6 +1214,7 @@ minetest.register_node("default:furnace", {
 })
 
 minetest.register_node("default:cobble", {
+	description = "Cobblestone",
 	tile_images = {"default_cobble.png"},
 	inventory_image = minetest.inventorycube("default_cobble.png"),
 	is_ground_content = true,
@@ -1177,6 +1223,7 @@ minetest.register_node("default:cobble", {
 })
 
 minetest.register_node("default:mossycobble", {
+	description = "Mossy Cobblestone",
 	tile_images = {"default_mossycobble.png"},
 	inventory_image = minetest.inventorycube("default_mossycobble.png"),
 	is_ground_content = true,
@@ -1184,6 +1231,7 @@ minetest.register_node("default:mossycobble", {
 })
 
 minetest.register_node("default:steelblock", {
+	description = "Steel Block",
 	tile_images = {"default_steel_block.png"},
 	inventory_image = minetest.inventorycube("default_steel_block.png"),
 	is_ground_content = true,
@@ -1191,6 +1239,7 @@ minetest.register_node("default:steelblock", {
 })
 
 minetest.register_node("default:nyancat", {
+	description = "Nyancat",
 	tile_images = {"default_nc_side.png", "default_nc_side.png", "default_nc_side.png",
 		"default_nc_side.png", "default_nc_back.png", "default_nc_front.png"},
 	inventory_image = "default_nc_front.png",
@@ -1200,6 +1249,7 @@ minetest.register_node("default:nyancat", {
 })
 
 minetest.register_node("default:nyancat_rainbow", {
+	description = "Rainbow Nyancat",
 	tile_images = {"default_nc_rb.png"},
 	inventory_image = "default_nc_rb.png",
 	material = minetest.digprop_stonelike(3.0),
@@ -1207,6 +1257,7 @@ minetest.register_node("default:nyancat_rainbow", {
 })
 
 minetest.register_node("default:sapling", {
+	description = "Sapling",
 	drawtype = "plantlike",
 	visual_scale = 1.0,
 	tile_images = {"default_sapling.png"},
@@ -1219,6 +1270,7 @@ minetest.register_node("default:sapling", {
 })
 
 minetest.register_node("default:apple", {
+	description = "Apple",
 	drawtype = "plantlike",
 	visual_scale = 1.0,
 	tile_images = {"default_apple.png"},
@@ -1237,55 +1289,65 @@ minetest.register_node("default:apple", {
 --
 
 minetest.register_craftitem("default:stick", {
+	description = "Stick",
 	image = "default_stick.png",
 	--furnace_burntime = ...,
 	on_place_on_ground = minetest.craftitem_place_item,
 })
 
 minetest.register_craftitem("default:paper", {
+	description = "Paper",
 	image = "default_paper.png",
 	on_place_on_ground = minetest.craftitem_place_item,
 })
 
 minetest.register_craftitem("default:book", {
+	description = "Book",
 	image = "default_book.png",
 	on_place_on_ground = minetest.craftitem_place_item,
 })
 
 minetest.register_craftitem("default:coal_lump", {
+	description = "Lump of Coal",
 	image = "default_coal_lump.png",
 	furnace_burntime = 40;
 	on_place_on_ground = minetest.craftitem_place_item,
 })
 
 minetest.register_craftitem("default:iron_lump", {
+	description = "Lump of Iron",
 	image = "default_iron_lump.png",
 	cookresult_itemstring = 'craft "default:steel_ingot" 1',
 	on_place_on_ground = minetest.craftitem_place_item,
 })
 
 minetest.register_craftitem("default:clay_lump", {
+	description = "Lump of Clay",
 	image = "default_clay_lump.png",
 	cookresult_itemstring = 'craft "default:clay_brick" 1',
 	on_place_on_ground = minetest.craftitem_place_item,
 })
 
 minetest.register_craftitem("default:steel_ingot", {
+	description = "Steel Ingot",
 	image = "default_steel_ingot.png",
 	on_place_on_ground = minetest.craftitem_place_item,
 })
 
 minetest.register_craftitem("default:clay_brick", {
+	description = "Clay Brick",
 	image = "default_clay_brick.png",
 	on_place_on_ground = minetest.craftitem_place_item,
 })
 
 minetest.register_craftitem("default:scorched_stuff", {
+	description = "Scorched Stuff",
 	image = "default_scorched_stuff.png",
 	on_place_on_ground = minetest.craftitem_place_item,
 })
 
 minetest.register_craftitem("default:apple", {
+	description = "Apple",
 	image = "default_apple.png",
 	on_place_on_ground = minetest.craftitem_place_item,
 	on_use = minetest.craftitem_eat(4),
diff --git a/src/craftitemdef.cpp b/src/craftitemdef.cpp
index b8f9d1d..96c9cb0 100644
--- a/src/craftitemdef.cpp
+++ b/src/craftitemdef.cpp
@@ -32,7 +32,8 @@
 	usable(false),
 	liquids_pointable(false),
 	dropcount(-1),
-	stack_max(99)
+	stack_max(99),
+	description("")
 {}
 
 std::string CraftItemDefinition::dump()
@@ -46,6 +47,7 @@
 	os<<", liquids_pointable="<<liquids_pointable;
 	os<<", dropcount="<<dropcount;
 	os<<", stack_max="<<stack_max;
+	os<<", description="<<description;
 	return os.str();
 }
 
@@ -60,6 +62,7 @@ void CraftItemDefinition::serialize(std::ostream &os)
 	writeU8(os, liquids_pointable);
 	writeS16(os, dropcount);
 	writeS16(os, stack_max);
+	os<<serializeString(description);
 }
 
 void CraftItemDefinition::deSerialize(std::istream &is)
@@ -75,6 +78,7 @@ void CraftItemDefinition::deSerialize(std::istream &is)
 	liquids_pointable = readU8(is);
 	dropcount = readS16(is);
 	stack_max = readS16(is);
+	description = deSerializeString(is);
 }
 
 class CCraftItemDefManager: public IWritableCraftItemDefManager
@@ -99,6 +103,14 @@ class CCraftItemDefManager: public IWritableCraftItemDefManager
 			return "";
 		return def->imagename;
 	}
+	virtual std::string getDescription(const std::string &itemname) const
+	{
+		const CraftItemDefinition *def = getCraftItemDefinition(itemname);
+		if(def == NULL)
+			return "";
+		return def->description;
+	}
+
 	virtual bool registerCraftItem(std::string itemname, const CraftItemDefinition &def)
 	{
 		infostream<<"registerCraftItem: registering CraftItem \""<<itemname<<"\""<<std::endl;
diff --git a/src/craftitemdef.h b/src/craftitemdef.h
index 2f1a5bf..de09f17 100644
--- a/src/craftitemdef.h
+++ b/src/craftitemdef.h
@@ -29,6 +29,7 @@ struct CraftItemDefinition
 {
 	std::string imagename;
 	std::string cookresult_item;
+	std::string description;
 	float furnace_cooktime;
 	float furnace_burntime;
 	bool usable;
@@ -49,6 +50,7 @@ class ICraftItemDefManager
 	virtual ~ICraftItemDefManager(){}
 	virtual const CraftItemDefinition* getCraftItemDefinition(const std::string &itemname) const=0;
 	virtual std::string getImagename(const std::string &itemname) const =0;
+	virtual std::string getDescription(const std::string &itemname) const =0;
 
 	virtual void serialize(std::ostream &os)=0;
 };
@@ -60,7 +62,7 @@ class IWritableCraftItemDefManager : public ICraftItemDefManager
 	virtual ~IWritableCraftItemDefManager(){}
 	virtual const CraftItemDefinition* getCraftItemDefinition(const std::string &itemname) const=0;
 	virtual std::string getImagename(const std::string &itemname) const =0;
-
+	virtual std::string getDescription(const std::string &itemname) const =0;
 	virtual bool registerCraftItem(std::string itemname, const CraftItemDefinition &def)=0;
 	virtual void clear()=0;
 
diff --git a/src/guiInventoryMenu.cpp b/src/guiInventoryMenu.cpp
index d9a98b5..767eec6 100644
--- a/src/guiInventoryMenu.cpp
+++ b/src/guiInventoryMenu.cpp
@@ -105,7 +105,7 @@ void drawInventoryItem(video::IVideoDriver *driver,
 GUIInventoryMenu::~GUIInventoryMenu()
 {
 	removeChildren();
-
+	m_tooltip_button->remove();
 	if(m_selected_item)
 		delete m_selected_item;
 }
@@ -130,6 +130,7 @@ void GUIInventoryMenu::removeChildren()
 		if(e != NULL)
 			e->remove();
 	}*/
+	
 }
 
 void GUIInventoryMenu::regenerateGui(v2u32 screensize)
@@ -194,6 +195,7 @@ void GUIInventoryMenu::regenerateGui(v2u32 screensize)
 		const wchar_t *text =
 		L"Left click: Move all items, Right click: Move single item";
 		Environment->addStaticText(text, rect, false, true, this, 256);
+		m_tooltip_button = Environment->addButton(core::rect<s32>(0,0,110,18),0,-1,L"",L"");
 	}
 }
 
@@ -281,6 +283,15 @@ void GUIInventoryMenu::drawList(const ListDrawSpec &s, ITextureSource *tsrc)
 		{
 			drawInventoryItem(driver, font, item,
 					rect, &AbsoluteClippingRect, tsrc);
+			if (rect.isPointInside(m_pointer)) {
+				//get hovered item string name for tooltip
+				std::string itemstring;
+				itemstring = item->getDescription();
+				//need to convert the string into a wstring for a irrlicht button
+				std::wstring temp(itemstring.length(),L' ');
+				std::copy(itemstring.begin(), itemstring.end(), temp.begin());
+				m_hovered_item_name = temp;
+			}
 		}
 
 	}
@@ -296,6 +307,7 @@ void GUIInventoryMenu::drawMenu()
 	video::SColor bgcolor(140,0,0,0);
 	driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 
+	m_hovered_item_name = L"";
 	/*
 		Draw items
 	*/
@@ -305,6 +317,23 @@ void GUIInventoryMenu::drawMenu()
 		ListDrawSpec &s = m_draw_spec[i];
 		drawList(s, m_tsrc);
 	}
+	
+	if (m_hovered_item_name != L"") 
+	{
+		m_tooltip_button->setVisible(true);
+		this->bringToFront(m_tooltip_button);
+		int size = m_hovered_item_name.size();
+		if (size < 5) size = 5;
+		core::rect<s32> rr(m_pointer.X + 10,m_pointer.Y + 10,m_pointer.X + (size * 10) + 10,m_pointer.Y + 50);
+		m_tooltip_button->setRelativePosition(rr);
+		m_tooltip_button->setText(m_hovered_item_name.c_str());
+	} else {
+		m_tooltip_button->setVisible(false);
+	}
+
+
+
+	
 
 	/*
 		Call base class
@@ -331,7 +360,7 @@ bool GUIInventoryMenu::OnEvent(const SEvent& event)
 		v2s32 p(event.MouseInput.X, event.MouseInput.Y);
 		ItemSpec s = getItemAtPos(p);
 
-		if(event.MouseInput.Event==EMIE_MOUSE_MOVED)
+		if(event.MouseInput.Event==EMIE_MOUSE_MOVED) 
 		    m_pointer = v2s32(event.MouseInput.X, event.MouseInput.Y);
 		else if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
 			amount = 0;
diff --git a/src/guiInventoryMenu.h b/src/guiInventoryMenu.h
index c8fe0d0..e6b345d 100644
--- a/src/guiInventoryMenu.h
+++ b/src/guiInventoryMenu.h
@@ -160,6 +160,8 @@ class GUIInventoryMenu : public GUIModalMenu
 
 	ItemSpec *m_selected_item;
 	v2s32 m_pointer;
+	gui::IGUIButton* m_tooltip_button;	
+	std::wstring m_hovered_item_name;
 };
 
 #endif
diff --git a/src/inventory.cpp b/src/inventory.cpp
index a913430..f3e25a7 100644
--- a/src/inventory.cpp
+++ b/src/inventory.cpp
@@ -297,6 +297,13 @@ float MaterialItem::getBurnTime() const
 	return f.furnace_burntime;
 }
 
+std::string MaterialItem::getDescription()
+{
+	INodeDefManager *ndef = m_gamedef->ndef();
+	const ContentFeatures &f = ndef->get(m_nodename);
+	return "MATL:" + f.description;
+}
+
 content_t MaterialItem::getMaterial() const
 {
 	INodeDefManager *ndef = m_gamedef->ndef();
@@ -314,6 +321,11 @@ content_t MaterialItem::getMaterial() const
 	return m_gamedef->getToolDefManager()->getImagename(m_toolname);
 }
 
+std::string ToolItem::getDescription() const
+{
+	return "TOOL:" + m_gamedef->getToolDefManager()->getDescription(m_toolname);
+}
+
 #ifndef SERVER
 video::ITexture * ToolItem::getImage() const
 {
@@ -364,6 +376,12 @@ bool ToolItem::isKnown() const
 }
 #endif
 
+std::string CraftItem::getDescription() const
+{
+	ICraftItemDefManager *cidef = m_gamedef->cidef();
+	return "CI:" + cidef->getDescription(m_subname);
+}
+
 bool CraftItem::isKnown() const
 {
 	ICraftItemDefManager *cidef = m_gamedef->cidef();
diff --git a/src/inventory.h b/src/inventory.h
index 3f3c543..63321b7 100644
--- a/src/inventory.h
+++ b/src/inventory.h
@@ -64,6 +64,10 @@ class InventoryItem
 	virtual std::string getText() { return ""; }
 	// Returns the string used for inventory
 	virtual std::string getItemString();
+
+	// returns the tooltip to show in the GUI
+	// getText() can't be used - it's parsed to show quantity overlays
+	virtual std::string getDescription() { return "Unknown"; }
 	
 	// Shall return false if item is not known and cannot be used
 	virtual bool isKnown() const { return true; }
@@ -174,12 +178,13 @@ class MaterialItem : public InventoryItem
 #ifndef SERVER
 	video::ITexture * getImage() const;
 #endif
-	std::string getText()
+	virtual std::string getText()
 	{
 		std::ostringstream os;
 		os<<m_count;
 		return os.str();
 	}
+	virtual std::string getDescription();
 
 	virtual bool addableTo(const InventoryItem *other) const
 	{
@@ -265,6 +270,7 @@ class CraftItem : public InventoryItem
 #ifndef SERVER
 	video::ITexture * getImage() const;
 #endif
+	std::string getDescription() const;
 	std::string getText()
 	{
 		std::ostringstream os;
@@ -362,6 +368,7 @@ class ToolItem : public InventoryItem
 	}
 
 	std::string getImageBasename() const;
+	std::string getDescription() const;
 #ifndef SERVER
 	video::ITexture * getImage() const;
 	video::ITexture * getImageRaw() const;
diff --git a/src/nodedef.cpp b/src/nodedef.cpp
index 9f2d4f0..c08cb9c 100644
--- a/src/nodedef.cpp
+++ b/src/nodedef.cpp
@@ -156,6 +156,7 @@ void ContentFeatures::reset()
 	cookresult_item = ""; // Cannot be cooked
 	furnace_cooktime = 3.0;
 	furnace_burntime = -1.0; // Cannot be burned
+	description = "";
 }
 
 void ContentFeatures::serialize(std::ostream &os)
@@ -203,6 +204,7 @@ void ContentFeatures::serialize(std::ostream &os)
 	os<<serializeString(cookresult_item);
 	writeF1000(os, furnace_cooktime);
 	writeF1000(os, furnace_burntime);
+	os<<serializeString(description);
 }
 
 void ContentFeatures::deSerialize(std::istream &is, IGameDef *gamedef)
@@ -255,6 +257,7 @@ void ContentFeatures::deSerialize(std::istream &is, IGameDef *gamedef)
 	cookresult_item = deSerializeString(is);
 	furnace_cooktime = readF1000(is);
 	furnace_burntime = readF1000(is);
+	description = deSerializeString(is);
 }
 
 void ContentFeatures::setTexture(u16 i, std::string name)
diff --git a/src/nodedef.h b/src/nodedef.h
index e0b5c86..678bad6 100644
--- a/src/nodedef.h
+++ b/src/nodedef.h
@@ -205,6 +205,7 @@ struct ContentFeatures
 	std::string cookresult_item;
 	float furnace_cooktime;
 	float furnace_burntime;
+	std::string description;
 
 	/*
 		Methods
diff --git a/src/scriptapi.cpp b/src/scriptapi.cpp
index 624ca5d..4146f6e 100644
--- a/src/scriptapi.cpp
+++ b/src/scriptapi.cpp
@@ -587,6 +587,7 @@ static ToolDefinition read_tool_definition(lua_State *L, int table)
 {
 	ToolDefinition def;
 	getstringfield(L, table, "image", def.imagename);
+	getstringfield(L, table, "description", def.description);
 	def.properties = read_tool_digging_properties(L, table);
 	return def;
 }
@@ -861,6 +862,7 @@ static int l_register_craftitem(lua_State *L)
 	
 	getstringfield(L, table, "image", def.imagename);
 	getstringfield(L, table, "cookresult_itemstring", def.cookresult_item);
+	getstringfield(L, table, "description", def.description);
 	getfloatfield(L, table, "furnace_cooktime", def.furnace_cooktime);
 	getfloatfield(L, table, "furnace_burntime", def.furnace_burntime);
 	def.usable = getboolfield_default(L, table, "usable", got_on_use);
@@ -1112,7 +1114,7 @@ static int l_register_node(lua_State *L)
 	getstringfield(L, nodedef_table, "cookresult_itemstring", f.cookresult_item);
 	getfloatfield(L, nodedef_table, "furnace_cooktime", f.furnace_cooktime);
 	getfloatfield(L, nodedef_table, "furnace_burntime", f.furnace_burntime);
-	
+	getstringfield(L, nodedef_table, "description", f.description);
 	/*
 		Register it
 	*/
diff --git a/src/tooldef.cpp b/src/tooldef.cpp
index 45193f4..341fa3b 100644
--- a/src/tooldef.cpp
+++ b/src/tooldef.cpp
@@ -62,6 +62,7 @@ void ToolDefinition::serialize(std::ostream &os)
 	writeF1000(os, properties.dd_crumbliness);
 	writeF1000(os, properties.dd_cuttability);
 	writeF1000(os, properties.full_punch_interval);
+	os<<serializeString(description);
 }
 
 void ToolDefinition::deSerialize(std::istream &is)
@@ -83,6 +84,7 @@ void ToolDefinition::deSerialize(std::istream &is)
 	try{
 		properties.full_punch_interval = readF1000(is);
 	}catch(SerializationError &e){} // Temporary for 0.4.dev
+	description = deSerializeString(is);
 }
 
 class CToolDefManager: public IWritableToolDefManager
@@ -107,6 +109,14 @@ class CToolDefManager: public IWritableToolDefManager
 			return "";
 		return def->imagename;
 	}
+	virtual std::string getDescription(const std::string &toolname) const
+	{
+		const ToolDefinition *def = getToolDefinition(toolname);
+		if(def == NULL)
+			return "";
+		return def->description;
+	}
+
 	virtual ToolDiggingProperties getDiggingProperties(
 			const std::string &toolname) const
 	{
diff --git a/src/tooldef.h b/src/tooldef.h
index aa4cb69..cdaf2c5 100644
--- a/src/tooldef.h
+++ b/src/tooldef.h
@@ -46,6 +46,7 @@ struct ToolDiggingProperties
 struct ToolDefinition
 {
 	std::string imagename;
+	std::string description;
 	ToolDiggingProperties properties;
 
 	ToolDefinition(){}
@@ -67,6 +68,7 @@ class IToolDefManager
 	virtual ~IToolDefManager(){}
 	virtual const ToolDefinition* getToolDefinition(const std::string &toolname) const=0;
 	virtual std::string getImagename(const std::string &toolname) const =0;
+	virtual std::string getDescription(const std::string &toolname) const =0;
 	virtual ToolDiggingProperties getDiggingProperties(
 			const std::string &toolname) const =0;
 	
@@ -80,6 +82,7 @@ class IWritableToolDefManager : public IToolDefManager
 	virtual ~IWritableToolDefManager(){}
 	virtual const ToolDefinition* getToolDefinition(const std::string &toolname) const=0;
 	virtual std::string getImagename(const std::string &toolname) const =0;
+	virtual std::string getDescription(const std::string &toolname) const =0;
 	virtual ToolDiggingProperties getDiggingProperties(
 			const std::string &toolname) const =0;