Add more widgets

druid/widget/mini_graph/mini_graph.lua

@@ -0,0 +1,88 @@
+local color = require("druid.color")
+
+---@class widget.mini_graph: druid.widget
+local M = {}
+
+local SIZE_Y = hash("size.y")
+
+
+function M:init()
+	self.druid = self:get_druid()
+	self.root = self:get_node("root")
+	self.container = self.druid:new_container(self.root)
+	self.text_header = self.druid:new_text("text_header")
+	self.text_value = self.druid:new_text("text_value")
+	self.drag_corner = self.druid:new_drag("icon_drag", self.on_drag_corner)
+	self.layout = self.druid:new_layout("panel_diagram", "horizontal")
+		:set_margin(0, 0)
+		:set_padding(0, 0, 0, 0)
+
+	self.prefab_line = self:get_node("prefab_line")
+	gui.set_enabled(self.prefab_line, false)
+
+	self.color_zero = color.hex2vector4("#8ED59E")
+	self.color_one = color.hex2vector4("#F49B9B")
+
+	self.lines = {}
+	self.values = {}
+	self.samples = 64
+	local line_width = self.layout:get_size().x / self.samples
+	for index = 1, self.samples do
+		local line = gui.clone(self.prefab_line)
+		gui.set_enabled(line, true)
+		gui.set(line, "size.x", line_width)
+		self.layout:add(line)
+		table.insert(self.lines, line)
+	end
+
+	for index = 1, self.samples do
+		local outsine = index/self.samples
+		self:set_line_value(index, outsine)
+	end
+end
+
+
+---@param index number
+---@param value number The normalized value from 0 to 1
+function M:set_line_value(index, value)
+	local line = self.lines[index]
+	if not line then
+		return
+	end
+
+	local target_color = color.lerp(value * value, self.color_zero, self.color_one)
+	gui.set(line, SIZE_Y, value * 70)
+	gui.set_color(line, target_color)
+
+	self.values[index] = value
+end
+
+
+---@return number
+function M:get_line_value(index)
+	return self.values[index]
+end
+
+
+function M:push_line_value(value)
+	for index = 1, self.samples - 1 do
+		self:set_line_value(index, self:get_line_value(index + 1), true)
+	end
+
+	self:set_line_value(self.samples, value, true)
+end
+
+
+---@param text string
+function M:set_text(text)
+	self.text_value:set_to(text)
+end
+
+
+function M:on_drag_corner(dx, dy)
+	local position = self.container:get_position()
+	self.container:set_position(position.x + dx, position.y + dy)
+end
+
+
+return M