Feature/scroll (#22)

* base scroll implementation

* add scroll collection example
mofidy scrolls, fix callback calls

* unhover button if start swipe
notify input components on swipe

* add node center offset, calc by pivots
modify with with node center scroll (to correct scroll to point)

* Refactor, add some docs

* fix: set_pos on end on scroll

* add gui.animate speed in settings

druid/druid.lua

@@ -14,6 +14,7 @@ M.comps = {
 	timer = require("druid.base.timer"),
 	progress = require("druid.base.progress"),
 	grid = require("druid.base.grid"),
+	scroll = require("druid.base.scroll"),
 
 	progress_rich = require("druid.rich.progress_rich"),
 }
@@ -72,7 +73,7 @@ local function create(module, factory)
 		end
 		factory[v][#factory[v] + 1] = instance
 
-		if v == data.ON_INPUT then
+		if v == data.ON_INPUT or v == data.ON_SWIPE then
 			input_init(factory)
 		end
 	end
@@ -112,6 +113,19 @@ function _factory.on_message(factory, message_id, message, sender)
 end
 
 
+local function notify_input_on_swipe(factory)
+	if factory[data.ON_INPUT] then
+		local len = #factory[data.ON_INPUT]
+		for i = len, 1, -1 do
+			local comp = factory[data.ON_INPUT][i]
+			if comp.on_swipe then
+				comp:on_swipe()
+			end
+		end
+	end
+end
+
+
 --- Called ON_INPUT
 function _factory.on_input(factory, action_id, action)
 	if factory[data.ON_SWIPE] then
@@ -122,6 +136,7 @@ function _factory.on_input(factory, action_id, action)
 			result = result or v:on_input(action_id, action)
 		end
 		if result then
+			notify_input_on_swipe(factory)
 			return true
 		end
 	end