radical/item/style/arrow_alt.lua

141 lines
4.3 KiB
Lua

local setmetatable = setmetatable
local print = print
local debug=debug
local ipairs = ipairs
local math = math
local base = require( "radical.base" )
local beautiful = require("beautiful")
local color = require("gears.color")
local cairo = require("lgi").cairo
local wibox = require("wibox")
local module = {
margins = {
TOP = 2,
BOTTOM = 2,
RIGHT = 20,
LEFT = 3
}
}
local hcode = {"#7777ff","#ff7777","#77ff77","#77ffff","#ffff77"}
local end_cache = {}
module.get_end_arrow = function(args)
local args = args or {}
local default_height = beautiful.default_height or 16
local bgt = type(args.bg_color)
local width,height = (args.width or default_height/2+1),args.height or default_height
local img = cairo.ImageSurface(cairo.Format.ARGB32, width+(args.padding or 0), height)
local cr = cairo.Context(img)
cr:set_source(color(args.bg_color or beautiful.bg_normal))
cr:set_antialias(cairo.ANTIALIAS_NONE)
cr:new_path()
if (args.direction == "left") then
cr:move_to(0,width+(args.padding or 0))
cr:line_to(0,height/2)
cr:line_to(width+(args.padding or 0),height)
cr:line_to(0,height)
cr:line_to(0,0)
cr:line_to(width+(args.padding or 0),0)
else
cr:line_to(width+(args.padding or 0),0)
cr:line_to(width+(args.padding or 0),height)
cr:line_to(0,height)
cr:line_to(width-1,height/2)
cr:line_to(0,0)
end
cr:close_path()
cr:fill()
return img
end
local beg_cache = {}
module.get_beg_arrow = function(args)
local args = args or {}
local default_height = beautiful.default_height or 16
local bgt = type(args.bg_color)
local width,height = (args.width or default_height/2+1)+(args.padding or 0),args.height or default_height
local img = cairo.ImageSurface(cairo.Format.ARGB32, width, height)
local cr = cairo.Context(img)
cr:set_source(color(args.bg_color or beautiful.fg_normal))
cr:set_antialias(cairo.ANTIALIAS_NONE)
cr:new_path()
if (args.direction == "left") then
cr:move_to(0,width)
cr:line_to(0,height/2)
cr:line_to(width,height)
cr:line_to(width,0)
else
cr:line_to(width,height/2)
cr:line_to(0,height)
cr:line_to(0,0)
end
cr:close_path()
cr:fill()
return img
end
local function draw_real(self, context, cr, width, height)
-- wibox.widget.background.draw(self, context, cr, width, height)
cr:save()
-- This item style require negative padding, this is a little dangerous to
-- do as it can corrupt area outside of the widget
local col = self._item.bg_prefix or beautiful.icon_grad or beautiful.fg_normal
cr:set_source(color(self.background))
cr:move_to(-height/2-2,0)
cr:line_to(width-height+2,0)
cr:rel_line_to(height*.6,height/2)
cr:line_to(width-height+2,height)
cr:line_to(-height*.6,height)
cr:line_to(0,height/2)
cr:close_path()
cr:reset_clip()
cr:fill()
cr:restore()
if self._draw then
self._draw(self, context, cr, width, height)
end
if self.widget.draw then
self.widget:draw(context, cr, width, height)
end
local overlay = self._item and self._item.overlay
if overlay then
overlay(self._item._menu,self._item,cr,width,height)
end
end
local function draw(item,args)
local args = args or {}
if item.widget.draw ~= draw_real then
item.widget._draw = item.widget.draw
item.widget.draw = draw_real
item.widget:emit_signal("widget::updated")
end
local color_idx = math.mod(item.f_key,#hcode) + 1
local next_idx = color_idx + 1 > #hcode and 1 or (color_idx + 1)
local state = item.state or {}
local current_state = state._current_key or nil
local state_name = base.colors_by_id[current_state]
if current_state == base.item_flags.SELECTED or (item._tmp_menu) then
item.widget:set_fg(item["fg_focus"])
item.widget:set_bg(args.color)
elseif state_name then --TODO untested, most likely broken
item.widget:set_bg(args.color or item["bg_"..state_name])
item.widget:set_fg( item["fg_"..state_name])
else
item.widget:set_bg(args.color or hcode[color_idx])
item.widget:set_fg(item["fg_normal"])
end
end
return setmetatable(module, { __call = function(_, ...) return draw(...) end })
-- kate: space-indent on; indent-width 2; replace-tabs on;