ui_iconwidget.lua

-- iconwidget

local log = require 'log'

local Widget = require 'ui_widget'
local Util = require 'util'

local IconWidget = {
	-- icon name
	-- baizeCmd and optional param
}
IconWidget.__index = IconWidget
setmetatable(IconWidget, {__index = Widget})

function IconWidget.new(o)
	o.enabled = true

	local fname = 'assets/icons/' .. o.icon .. '.png'
	local imageData = love.image.newImageData(fname)
	if not imageData then
		log.error('could not load', fname)
	else
		o.img = love.graphics.newImage(imageData)
		assert(o.img)
		o.imgWidth = imageData:getWidth() * _G.UI_SCALE
		o.imgHeight = imageData:getHeight() * _G.UI_SCALE
		-- log.trace('loaded', fname, o.imgWidth, o.imgHeight)
	end
	return setmetatable(o, IconWidget)
end

function IconWidget:draw()
	-- very important!: reset color before drawing to canvas to have colors properly displayed
	local _, cy, _, ch = self.parent:screenRect()
	local wx, wy, ww, wh = self:screenRect()

	if wy < cy then
		return
	end
	if wy + wh > cy + ch then
		return
	end

	-- nb no backColor or textColor

	if self.enabled then
		local mx, my = love.mouse.getPosition()
		if self.baizeCmd and Util.inRect(mx, my, self:screenRect()) then
			Util.setColorFromName('UiForeground')
			if love.mouse.isDown(1) then
				wx = wx + 2
				wy = wy + 2
			end
		else
			Util.setColorFromName('UiForeground')
		end
	else
		Util.setColorFromName('UiGrayedOut')
	end

	if self.img then
		love.graphics.draw(self.img, wx, wy, 0, _G.UI_SCALE, _G.UI_SCALE)
	end

	--[[
	if self.text then
		love.graphics.setFont(self.parent.font)
		love.graphics.print(self.text, wx + iconWidth + 8, wy + 3)
	end
]]
	if _G.SETTINGS.debug then
		Util.setColorFromName('UiGrayedOut')
		love.graphics.setLineWidth(1)
		love.graphics.rectangle('line', wx, wy, ww, wh)
	end

end

return IconWidget