Merge pull request #33 from AGulev/feature/druid-styles

Feature/druid styles

druid/base/button.lua

@@ -6,21 +6,13 @@
 -- Repeated tap
 
 local const = require("druid.const")
-local ui_animate = require("druid.helper.druid_animate")
-local settings = require("druid.settings")
 local helper = require("druid.helper")
-local b_settings = settings.button
 
 local M = {}
 M.interest = {
 	const.ON_INPUT
 }
 
-M.DEFAULT_DEACTIVATE_COLOR = vmath.vector4(0, 0, 0, 0)
-M.DEFAULT_DEACTIVATE_SCALE = vmath.vector3(0.8, 0.9, 1)
-M.DEFAULT_ACTIVATE_SCALE = vmath.vector3(1, 1, 1)
-M.DEFAULT_ACTIVATION_TIME = 0.2
-
 
 --- Component init function
 -- @function button:init
@@ -31,37 +23,26 @@ M.DEFAULT_ACTIVATION_TIME = 0.2
 -- @tparam[opt] node anim_node Button anim node (node, if not provided)
 -- @tparam[opt] string event Button react event, const.ACTION_TOUCH by default
 function M.init(self, node, callback, params, anim_node, event)
+	assert(callback, "Button should have callback. To block input on zone use blocker component")
+	self.style = helper.get_style(self, "BUTTON")
 	self.node = helper.node(node)
+
 	self.event = const.ACTION_TOUCH
 	self.anim_node = anim_node and helper.node(anim_node) or self.node
 	self.scale_from = gui.get_scale(self.anim_node)
-	self.scale_to = self.scale_from + b_settings.SCALE_CHANGE
-	self.scale_hover_to = self.scale_from + b_settings.HOVER_SCALE
 	self.pos = gui.get_position(self.anim_node)
 	self.callback = callback
 	self.params = params
-	self.tap_anim = M.tap_scale_animation
+	self.hover_anim = self.style.IS_HOVER
-	self.back_anim = M.back_scale_animation
-	self.hover_anim = b_settings.IS_HOVER
-	self.sound = b_settings.BTN_SOUND
-	self.sound_disable = b_settings.BTN_SOUND_DISABLED
 	self.click_zone = nil
-
-	-- TODO: to separate component "block_input"?
-	-- If callback is nil, so the buttons is stub and without anim
-	-- Used for zones, what should dont pass the input to other UI elements
-	if not callback then
-		self.stub = true
-		self.hover_anim = false
-		self.callback = function() end
-	end
 end
 
 
 local function set_hover(self, state)
-	if self.hover_anim and self._is_hovered ~= state then
+	if self._is_hovered ~= state then
-		local target_scale = state and self.scale_hover_to or self.scale_from
+		if self.style.on_hover then
-		ui_animate.scale(self, self.anim_node, target_scale, b_settings.HOVER_TIME)
+			self.style.on_hover(self, self.anim_node, state)
+		end
 		self._is_hovered = state
 	end
 end
@@ -71,17 +52,18 @@ local function on_button_release(self)
 	if not self.disabled then
 		if not self.stub and self.can_action then
 			self.can_action = false
-			if self.tap_anim then
+			if self.style.on_click then
-				self.tap_anim(self)
+				self.style.on_click(self, self.anim_node)
 			end
 			self.callback(self.context, self.params, self)
-			settings.play_sound(self.sound)
 		else
 			set_hover(self, false)
 		end
 		return true
 	else
-		settings.play_sound(self.sound_disable)
+		if self.style.on_click_disabled then
+			self.style.on_click_disabled(self, self.anim_node)
+		end
 		return false
 	end
 end
@@ -129,76 +111,20 @@ function M.on_swipe(self)
 end
 
 
-function M.tap_scale_animation(self)
+function M.set_enabled(self, state)
-	ui_animate.scale_to(self, self.anim_node, self.scale_to,
+	-- if self.disabled == state then
-		function()
+	-- 	return
-			if self.back_anim then
+	-- end
-				self.back_anim(self)
-			end
-		end
-	)
-end
 
-
+	self.disabled = not state
-function M.back_scale_animation(self)
+	if self.style.on_set_enabled then
-	ui_animate.scale_to(self, self.anim_node, self.scale_from)
+		self.style.on_set_enabled(self, self.node, state)
-end
-
-
-function M.deactivate(self, is_animate, callback)
-	self.disabled = true
-	if is_animate then
-		-- callback call three times in gui.animation
-		local clbk = helper.after(3, function()
-			if callback then
-				callback(self.context)
-			end
-		end)
-
-		ui_animate.color(self, self.node, M.DEFAULT_DEACTIVATE_COLOR,
-			clbk, M.DEFAULT_ACTIVATION_TIME, 0, gui.EASING_OUTBOUNCE)
-
-		ui_animate.scale_y_from_to(self, self.node, M.DEFAULT_ACTIVATE_SCALE.x,
-			M.DEFAULT_DEACTIVATE_SCALE.x, clbk, M.DEFAULT_ACTIVATION_TIME, gui.EASING_OUTBOUNCE)
-
-		ui_animate.scale_x_from_to(self, self.node, M.DEFAULT_ACTIVATE_SCALE.y,
-			M.DEFAULT_DEACTIVATE_SCALE.y, clbk, M.DEFAULT_ACTIVATION_TIME, gui.EASING_OUTBOUNCE)
-	else
-		gui.set_color(self.node, M.DEFAULT_DEACTIVATE_COLOR)
-		gui.set_scale(self.node, M.DEFAULT_DEACTIVATE_SCALE)
-		if callback then
-			callback(self.context)
-		end
 	end
 end
 
 
-function M.activate(self, is_animate, callback)
+function M.get_enabled(self)
-	if is_animate then
+	return not self.disabled
-		-- callback call three times in gui.animation
-		local clbk = helper.after(3, function()
-				self.disabled = false
-				if callback then
-					callback(self.context)
-				end
-		end)
-
-		ui_animate.color(self, self.node, ui_animate.TINT_SHOW,
-			clbk, M.DEFAULT_ACTIVATION_TIME, 0, gui.EASING_OUTBOUNCE)
-
-		ui_animate.scale_y_from_to(self, self.node, M.DEFAULT_DEACTIVATE_SCALE.x,
-			M.DEFAULT_ACTIVATE_SCALE.x, clbk, M.DEFAULT_ACTIVATION_TIME, gui.EASING_OUTBOUNCE)
-
-		ui_animate.scale_x_from_to(self, self.node, M.DEFAULT_DEACTIVATE_SCALE.y,
-			M.DEFAULT_ACTIVATE_SCALE.y, clbk, M.DEFAULT_ACTIVATION_TIME, gui.EASING_OUTBOUNCE)
-	else
-		gui.set_color(self.node, ui_animate.TINT_SHOW)
-		gui.set_scale(self.node, M.DEFAULT_ACTIVATE_SCALE)
-		self.disabled = false
-		if callback then
-			callback(self.context)
-		end
-	end
 end
 
 
@@ -207,8 +133,6 @@ end
 -- @tparam table self Component instance
 function M.disable_animation(self)
 	self.hover_anim = false
-	self.tap_anim = nil
-	self.back_anim = nil
 end
 
 

druid/base/checkbox.lua

@@ -6,19 +6,15 @@ local helper = require("druid.helper")
 local M = {}
 
 
-local function state_animate(node, state)
-	local target = state and 1 or 0
-	gui.animate(node, "color.w", target, gui.EASING_OUTSINE, 0.1)
-end
-
-
 function M.set_state(self, state, is_silence)
 	if self.state == state then
 		return
 	end
 
 	self.state = state
-	state_animate(self.node, state)
+	if self.style.on_change_state then
+		self.style.on_change_state(self, self.node, state)
+	end
 
 	if not is_silence and self.callback then
 		self.callback(self.context, state)
@@ -37,6 +33,7 @@ end
 
 
 function M.init(self, node, callback, click_node)
+	self.style = helper.get_style(self, "CHECKBOX")
 	self.druid = helper.get_druid(self)
 	self.node = helper.node(node)
 	self.click_node = helper.node(click_node)

druid/base/progress.lua

@@ -3,8 +3,6 @@
 
 local const = require("druid.const")
 local helper = require("druid.helper")
-local settings = require("druid.settings")
-local p_settings = settings.progress
 
 local M = {}
 
@@ -20,14 +18,12 @@ M.interest = {
 -- @tparam string key Progress bar direction (x or y)
 -- @tparam number init_value Initial value of progress bar
 function M.init(self, node, key, init_value)
-	if key ~= const.SIDE.X and key ~= const.SIDE.Y then
+	assert(key == const.SIDE.X or const.SIDE.Y, "Progress bar key should be 'x' or 'y'")
-		settings.log("progress component: key must be 'x' or 'y'. Passed:", key)
-		key = const.SIDE.X
-	end
 
 	self.prop = hash("scale."..key)
 	self.key = key
 
+	self.style = helper.get_style(self, "PROGRESS")
 	self.node = helper.node(node)
 	self.scale = gui.get_scale(self.node)
 	self.size = gui.get_size(self.node)
@@ -152,8 +148,8 @@ end
 function M.update(self, dt)
 	if self.target then
 		local prev_value = self.last_value
-		local step = math.abs(self.last_value - self.target) * (p_settings.SPEED*dt)
+		local step = math.abs(self.last_value - self.target) * (self.style.SPEED*dt)
-		step = math.max(step, p_settings.MIN_DELTA)
+		step = math.max(step, self.style.MIN_DELTA)
 		self:set_to(helper.step(self.last_value, self.target, step))
 
 		if self.last_value == self.target then

druid/base/scroll.lua

@@ -3,7 +3,6 @@
 
 local helper = require("druid.helper")
 local const = require("druid.const")
-local settings = require("druid.settings").scroll
 
 local M = {}
 
@@ -18,10 +17,12 @@ M.current_scroll = nil
 
 
 function M.init(self, scroll_parent, input_zone, border)
+	self.style = helper.get_style(self, "SCROLL")
 	self.node = helper.node(scroll_parent)
 	self.input_zone = helper.node(input_zone)
+
 	self.zone_size = gui.get_size(self.input_zone)
-	self.soft_size = settings.SOFT_ZONE_SIZE
+	self.soft_size = self.style.SOFT_ZONE_SIZE
 
 	-- Distance from node to node's center
 	local offset = helper.get_pivot_offset(gui.get_pivot(self.input_zone))
@@ -61,16 +62,16 @@ local function check_soft_target(self)
 	local b = self.border
 
 	if t.y < b.y then
-		t.y = helper.step(t.y, b.y, math.abs(t.y - b.y) * settings.BACK_SPEED)
+		t.y = helper.step(t.y, b.y, math.abs(t.y - b.y) * self.style.BACK_SPEED)
 	end
 	if t.x < b.x then
-		t.x = helper.step(t.x, b.x, math.abs(t.x - b.x) * settings.BACK_SPEED)
+		t.x = helper.step(t.x, b.x, math.abs(t.x - b.x) * self.style.BACK_SPEED)
 	end
 	if t.y > b.w then
-		t.y = helper.step(t.y, b.w, math.abs(t.y - b.w) * settings.BACK_SPEED)
+		t.y = helper.step(t.y, b.w, math.abs(t.y - b.w) * self.style.BACK_SPEED)
 	end
 	if t.x > b.z then
-		t.x = helper.step(t.x, b.z, math.abs(t.x - b.z) * settings.BACK_SPEED)
+		t.x = helper.step(t.x, b.z, math.abs(t.x - b.z) * self.style.BACK_SPEED)
 	end
 end
 
@@ -94,8 +95,8 @@ local function update_hand_scroll(self, dt)
 	inert.x = math.abs(inert.x) * helper.sign(delta_x)
 	inert.y = math.abs(inert.y) * helper.sign(delta_y)
 
-	inert.x = inert.x * settings.FRICT_HOLD
+	inert.x = inert.x * self.style.FRICT_HOLD
-	inert.y = inert.y * settings.FRICT_HOLD
+	inert.y = inert.y * self.style.FRICT_HOLD
 
 	set_pos(self, self.target)
 end
@@ -116,11 +117,11 @@ local function check_points(self)
 
 	local inert = self.inert
 	if not self.is_inert then
-		if math.abs(inert.x) > settings.DEADZONE then
+		if math.abs(inert.x) > self.style.DEADZONE then
 			self:scroll_to_index(self.selected - helper.sign(inert.x))
 			return
 		end
-		if math.abs(inert.y) > settings.DEADZONE then
+		if math.abs(inert.y) > self.style.DEADZONE then
 			self:scroll_to_index(self.selected + helper.sign(inert.y))
 			return
 		end
@@ -154,13 +155,14 @@ local function check_points(self)
 			temp_dist_on_inert = dist
 		end
 	end
+
 	self:scroll_to_index(index_on_inert or index)
 end
 
 
 local function check_threshold(self)
 	local inert = self.inert
-	if not self.is_inert or vmath.length(inert) < settings.INERT_THRESHOLD then
+	if not self.is_inert or vmath.length(inert) < self.style.INERT_THRESHOLD then
 		check_points(self)
 		inert.x = 0
 		inert.y = 0
@@ -171,11 +173,11 @@ end
 local function update_free_inert(self, dt)
 	local inert = self.inert
 	if inert.x ~= 0 or inert.y ~= 0 then
-		self.target.x = self.pos.x + (inert.x * dt * settings.INERT_SPEED)
+		self.target.x = self.pos.x + (inert.x * dt * self.style.INERT_SPEED)
-		self.target.y = self.pos.y + (inert.y * dt * settings.INERT_SPEED)
+		self.target.y = self.pos.y + (inert.y * dt * self.style.INERT_SPEED)
 
-		inert.x = inert.x * settings.FRICT
+		inert.x = inert.x * self.style.FRICT
-		inert.y = inert.y * settings.FRICT
+		inert.y = inert.y * self.style.FRICT
 
 		-- Stop, when low inert speed and go to points
 		check_threshold(self)
@@ -213,6 +215,7 @@ local function add_delta(self, dx, dy)
 	local t = self.target
 	local b = self.border
 	local soft = self.soft_size
+
 	-- TODO: Can we calc it more easier?
 	-- A lot of calculations for every side of border
 
@@ -275,7 +278,7 @@ function M.on_input(self, action_id, action)
 			self.target.y = self.pos.y
 		else
 			local dist = helper.distance(action.x, action.y, inp.start_x, inp.start_y)
-			if not M.current_scroll and dist >= settings.DEADZONE then
+			if not M.current_scroll and dist >= self.style.DEADZONE then
 				local dx = math.abs(inp.start_x - action.x)
 				local dy = math.abs(inp.start_y - action.y)
 				inp.side = (dx > dy) and const.SIDE.X or const.SIDE.Y
@@ -331,7 +334,7 @@ function M.scroll_to(self, point, is_instant)
 		self.target = target
 		set_pos(self, target)
 	else
-		gui.animate(self.node, gui.PROP_POSITION, target, gui.EASING_OUTSINE, settings.ANIM_SPEED, 0, function()
+		gui.animate(self.node, gui.PROP_POSITION, target, gui.EASING_OUTSINE, self.style.ANIM_SPEED, 0, function()
 			self.animate = false
 			self.target = target
 			set_pos(self, target)

druid/druid.lua

@@ -4,14 +4,19 @@
 -- to create your own rich components.
 -- @module druid
 
+
 local const = require("druid.const")
 local druid_input = require("druid.helper.druid_input")
 local settings = require("druid.settings")
 
 local M = {}
 
+
 local log = settings.log
 local _fct_metatable = {}
+-- Temporary, what the place for it?
+local default_style = {}
+
 
 --- Basic components
 M.comps = {
@@ -57,9 +62,9 @@ function M.register(name, module)
 end
 
 
---- Create UI instance for ui elements
+--- Create Druid instance for creating components
 -- @return instance with all ui components
-function M.new(component_script)
+function M.new(component_script, style)
 	if register_basic_components then
 		register_basic_components()
 		register_basic_components = false
@@ -68,10 +73,16 @@ function M.new(component_script)
 	-- Druid context here (who created druid)
 	-- Usually gui_script, but can be component from helper.get_druid(component)
 	self._context = component_script
+	self._style = style or default_style
 	return self
 end
 
 
+function M.set_default_style(style)
+	default_style = style
+end
+
+
 local function input_init(self)
 	if not self.input_inited then
 		self.input_inited = true
@@ -80,10 +91,12 @@ local function input_init(self)
 end
 
 
+-- Create the component
 local function create(self, module)
 	local instance = setmetatable({}, { __index = module })
 	-- Component context, self from component creation
 	instance.context = self._context
+	instance.druid_style = self._style
 	table.insert(self, instance)
 
 	local register_to = module.interest

druid/helper.lua

@@ -1,10 +1,12 @@
 --- Druid helper module
 -- @module helper
 
+
 local const = require("druid.const")
 
 local M = {}
 
+
 --- Text node or icon node can be nil
 local function get_text_width(text_node)
 	if text_node then
@@ -154,4 +156,13 @@ function M.get_druid(self)
 end
 
 
+function M.get_style(self, section)
+	if not self.druid_style then
+		return {}
+	end
+
+	return self.druid_style[section] or {}
+end
+
+
 return M

druid/rich/progress_rich.lua

@@ -2,14 +2,13 @@
 -- @module rich.progress_rich
 
 local helper = require("druid.helper")
-local settings = require("druid.settings")
-local pr_settings = settings.progress_rich
 
 local M = {}
 
 
 function M.init(self, name, red, green, key)
 	self.druid = helper.get_druid(self)
+	self.style = helper.get_style(self, "PROGRESS_RICH")
 	self.red = self.druid:new_progress(red, key)
 	self.green = self.druid:new_progress(green, key)
 	self.fill = self.druid:new_progress(name, key)
@@ -51,7 +50,7 @@ function M.to(self, to, callback)
 	if self.fill.last_value < to then
 		self.red:to(self.fill.last_value)
 		self.green:to(to, function()
-			self.timer = timer.delay(pr_settings.DELAY, false, function()
+			self.timer = timer.delay(self.style.DELAY, false, function()
 				self.red:to(to)
 				self.fill:to(to, callback)
 			end)
@@ -61,7 +60,7 @@ function M.to(self, to, callback)
 	if self.fill.last_value > to then
 		self.green:to(self.red.last_value)
 		self.fill:to(to, function()
-			self.timer = timer.delay(pr_settings.DELAY, false, function()
+			self.timer = timer.delay(self.style.DELAY, false, function()
 				self.green:to(to)
 				self.red:to(to, callback)
 			end)

druid/settings.lua

@@ -3,37 +3,9 @@
 
 local M = {}
 
--- TODO: to JSON?
+
 M.is_debug = false
-M.button = {
-	IS_HOVER = true,
-	IS_HOLD = true,
-	BTN_SOUND = "click",
-	BTN_SOUND_DISABLED = "click_disabled",
-	HOVER_SCALE = vmath.vector3(-0.025, -0.025, 1),
-	HOVER_TIME = 0.05,
-	SCALE_CHANGE = vmath.vector3(-0.05, - 0.05, 1),
-}
 
-M.progress = {
-	SPEED = 5, -- progress bar fill rate, more faster
-	MIN_DELTA = 0.005
-}
-
-M.progress_rich = {
-	DELAY = 1, -- delay in seconds before main fill
-}
-
-M.scroll = {
-	FRICT_HOLD = 0.8, -- mult. for inert, while touching
-	FRICT = 0.93, -- mult for free inert
-	INERT_THRESHOLD = 2, -- speed to stop inertion
-	INERT_SPEED = 25, -- koef. of inert speed
-	DEADZONE = 6, -- in px
-	SOFT_ZONE_SIZE = 160, -- size of outside zone (back move)
-	BACK_SPEED = 0.2, -- lerp speed
-	ANIM_SPEED = 0.3, -- gui.animation speed to point
-}
 
 function M.get_text(name)
 	-- override to get text for localized text

druid/styles/bounce/anims.lua

@@ -0,0 +1,26 @@
+local ui_animate = require("druid.helper.druid_animate")
+
+
+local M = {}
+
+
+function M.back_scale_animation(self, node, target_scale)
+	ui_animate.scale_to(self, node, target_scale)
+end
+
+
+function M.tap_scale_animation(self, node, target_scale)
+	ui_animate.scale_to(self, node, target_scale,
+		function()
+			M.back_scale_animation(self, node, self.scale_from)
+		end
+	)
+end
+
+
+function M.hover_scale(self, target, time)
+	ui_animate.scale(self, self.anim_node, target, time)
+end
+
+
+return M

druid/styles/bounce/style.lua

@@ -0,0 +1,77 @@
+local settings = require("druid.settings")
+local anims = require("druid.styles.bounce.anims")
+
+local M = {}
+
+
+M.BUTTON = {
+	HOVER_SCALE = vmath.vector3(-0.025, -0.025, 1),
+	HOVER_TIME = 0.05,
+	SCALE_CHANGE = vmath.vector3(-0.05, - 0.05, 1),
+	BTN_SOUND = "click",
+	BTN_SOUND_DISABLED = "click",
+	DISABLED_COLOR = vmath.vector4(0, 0, 0, 1),
+	ENABLED_COLOR = vmath.vector4(1),
+	IS_HOVER = true,
+
+	on_hover = function(self, node, state)
+		if self.hover_anim then
+			local scale_to = self.scale_from + M.BUTTON.HOVER_SCALE
+
+			local target_scale = state and scale_to or self.scale_from
+			anims.hover_scale(self, target_scale, M.BUTTON.HOVER_TIME)
+		end
+	end,
+
+	on_click = function(self, node)
+		local scale_to = self.scale_from + M.BUTTON.SCALE_CHANGE
+		anims.tap_scale_animation(self, node, scale_to)
+		settings.play_sound(M.BUTTON.BTN_SOUND)
+	end,
+
+	on_click_disabled = function(self, node)
+		settings.play_sound(M.BUTTON.BTN_SOUND_DISABLED)
+	end,
+
+	on_set_enabled = function(self, node, state)
+		if state then
+			gui.set_color(node, M.BUTTON.ENABLED_COLOR)
+		else
+			gui.set_color(node, M.BUTTON.DISABLED_COLOR)
+		end
+	end
+}
+
+
+M.SCROLL = {
+	FRICT_HOLD = 0.8, -- mult. for inert, while touching
+	FRICT = 0.93, -- mult for free inert
+	INERT_THRESHOLD = 2, -- speed to stop inertion
+	INERT_SPEED = 25, -- koef. of inert speed
+	DEADZONE = 6, -- in px
+	SOFT_ZONE_SIZE = 160, -- size of outside zone (back move)
+	BACK_SPEED = 0.2, -- lerp speed
+	ANIM_SPEED = 0.3, -- gui.animation speed to point
+}
+
+
+M.PROGRESS = {
+	SPEED = 5, -- progress bar fill rate, more faster
+	MIN_DELTA = 0.005
+}
+
+
+M.PROGRESS_RICH = {
+	DELAY = 1, -- delay in seconds before main fill
+}
+
+
+M.CHECKBOX = {
+	on_change_state = function(self, node, state)
+		local target = state and 1 or 0
+		gui.animate(node, "color.w", target, gui.EASING_OUTSINE, 0.1)
+	end
+}
+
+
+return M

druid/styles/empty/style.lua

@@ -0,0 +1,43 @@
+local M = {}
+
+
+M.BUTTON = {
+	BTN_SOUND = "click",
+	BTN_SOUND_DISABLED = "click",
+	DISABLED_COLOR = vmath.vector4(0, 0, 0, 1),
+	ENABLED_COLOR = vmath.vector4(1),
+	IS_HOVER = false,
+}
+
+
+M.SCROLL = {
+	FRICT_HOLD = 0, -- mult. for inert, while touching
+	FRICT = 0, -- mult for free inert
+	INERT_THRESHOLD = 2, -- speed to stop inertion
+	INERT_SPEED = 0, -- koef. of inert speed
+	DEADZONE = 6, -- in px
+	SOFT_ZONE_SIZE = 20, -- size of outside zone (back move)
+	BACK_SPEED = 0, -- lerp speed
+	ANIM_SPEED = 0, -- gui.animation speed to point
+}
+
+
+M.PROGRESS = {
+	SPEED = 5, -- progress bar fill rate, more faster
+	MIN_DELTA = 1
+}
+
+
+M.PROGRESS_RICH = {
+	DELAY = 0, -- delay in seconds before main fill
+}
+
+
+M.CHECKBOX = {
+	on_change_state = function(self, node, state)
+		gui.set_enabled(node, state)
+	end
+}
+
+
+return M

example/example.gui.gui_script

@@ -58,7 +58,7 @@ local function init_progress(self)
 	local simple = self.druid:new_progress("simple_fill", "x", val)
 	local vert = self.druid:new_progress("simple_vert_fill", "y", val)
 
-	simple:set_steps({0, 0.3, 0.6, 1}, function(self, step)
+	simple:set_steps({0, 0.3, 0.6, 1}, function(_, step)
 		print("STEP:", step)
 	end)
 

example/kenney/gui/main/main.gui_script

@@ -1,4 +1,6 @@
 local druid = require("druid.druid")
+local bounce_style = require("druid.styles.bounce.style")
+local empty_style = require("druid.styles.empty.style")
 
 local main_page = require("example.kenney.page.main")
 
@@ -15,6 +17,7 @@ end
 
 
 function init(self)
+	druid.set_default_style(empty_style)
 	self.druid = druid.new(self)
 
 	init_top_panel(self)

example/kenney/page/main.lua

@@ -17,8 +17,11 @@ end
 
 
 local function setup_button(self)
-	self.druid:new_button("button_simple", lang.toggle_locale, "button_param")
+	local b = self.druid:new_button("button_simple", lang.toggle_locale, "button_param")
-	self.druid:new_button("button_template/button", empty_callback, "button_param")
+	self.druid:new_button("button_template/button", function()
+		print(b:get_enabled())
+		b:set_enabled(not b:get_enabled())
+	end, "button_param")
 end