Add first implementation of druid styles (only button)

druid/styles/bounce/style.lua

@@ -0,0 +1,37 @@
+local settings = require("druid.settings")
+local anims = require("druid.styles.bounce.anims")
+local const = require("druid.styles.bounce.const")
+
+local M = {}
+
+
+M.BUTTON = {
+	on_hover = function(self, node, state)
+		if self.hover_anim then
+			local scale_to = self.scale_from + const.BUTTON.HOVER_SCALE
+
+			local target_scale = state and scale_to or self.scale_from
+			anims.hover_scale(self, target_scale, const.BUTTON.HOVER_TIME)
+		end
+	end,
+
+	on_click = function(self, node)
+		local scale_to = self.scale_from + const.BUTTON.SCALE_CHANGE
+		anims.tap_scale_animation(self, node, scale_to)
+		settings.play_sound(const.BUTTON.BTN_SOUND)
+	end,
+
+	on_click_disabled = function(self, node)
+		settings.play_sound(const.BUTTON.BTN_SOUND_DISABLED)
+	end,
+
+	on_set_enabled = function(self, node, state)
+		if state then
+			gui.set_color(node, const.BUTTON.ENABLED_COLOR)
+		else
+			gui.set_color(node, const.BUTTON.DISABLED_COLOR)
+		end
+	end
+}
+
+return M