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cpu_rings.lua
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cpu_rings.lua
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settings_table = {
{
name='cpu',
arg='cpu1',
max=100,
bg_colour=0xffffff,
bg_alpha=1,
fg_colour=0xea4335,
fg_alpha=1,
x=120, y=670,
radius=50,
thickness=4,
start_angle=-150,
end_angle=-30
},
{
name='cpu',
arg='cpu2',
max=100,
bg_colour=0xffffff,
bg_alpha=1,
fg_colour=0xea4335,
fg_alpha=1,
x=220, y=670,
radius=50,
thickness=4,
start_angle=-150,
end_angle=-30
},
{
name='cpu',
arg='cpu3',
max=100,
bg_colour=0xffffff,
bg_alpha=1,
fg_colour=0xea4335,
fg_alpha=1,
x=320, y=670,
radius=50,
thickness=4,
start_angle=-150,
end_angle=-30
},
{
name='cpu',
arg='cpu4',
max=100,
bg_colour=0xffffff,
bg_alpha=1,
fg_colour=0xea4335,
fg_alpha=1,
x=420, y=670,
radius=50,
thickness=4,
start_angle=-150,
end_angle=-30
},
{
name='cpu',
arg='cpu5',
max=100,
bg_colour=0xffffff,
bg_alpha=1,
fg_colour=0xea4335,
fg_alpha=1,
x=120, y=770,
radius=50,
thickness=4,
start_angle=-150,
end_angle=-30
},
{
name='cpu',
arg='cpu6',
max=100,
bg_colour=0xffffff,
bg_alpha=1,
fg_colour=0xea4335,
fg_alpha=1,
x=220, y=770,
radius=50,
thickness=4,
start_angle=-150,
end_angle=-30
},
{
name='cpu',
arg='cpu7',
max=100,
bg_colour=0xffffff,
bg_alpha=1,
fg_colour=0xea4335,
fg_alpha=1,
x=320, y=770,
radius=50,
thickness=4,
start_angle=-150,
end_angle=-30
},
{
name='cpu',
arg='cpu8',
max=100,
bg_colour=0xffffff,
bg_alpha=1,
fg_colour=0xea4335,
fg_alpha=1,
x=420, y=770,
radius=50,
thickness=4,
start_angle=-150,
end_angle=-30
},
{
name='exec',
arg="amixer get Master | grep 'Front Left:' | awk '{print $5}' | grep -o '[0-9]' | tr -d '\n'",
max=100,
bg_colour=0xffffff,
bg_alpha=0.1,
fg_colour=0xea4335,
fg_alpha=0.5,
x=963, y=458,
radius=207,
thickness=2,
start_angle=0,
end_angle=360
},
}
require 'cairo'
function rgb_to_r_g_b(colour,alpha)
return ((colour / 0x10000) % 0x100) / 255., ((colour / 0x100) % 0x100) / 255., (colour % 0x100) / 255., alpha
end
function draw_ring(cr,t,pt)
local w,h=conky_window.width,conky_window.height
local xc,yc,ring_r,ring_w,sa,ea=pt['x'],pt['y'],pt['radius'],pt['thickness'],pt['start_angle'],pt['end_angle']
local bgc, bga, fgc, fga=pt['bg_colour'], pt['bg_alpha'], pt['fg_colour'], pt['fg_alpha']
local angle_0=sa*(2*math.pi/360)-math.pi/2
local angle_f=ea*(2*math.pi/360)-math.pi/2
local t_arc=t*(angle_f-angle_0)
-- Draw background ring
cairo_arc(cr,xc,yc,ring_r,angle_0,angle_f)
cairo_set_source_rgba(cr,rgb_to_r_g_b(bgc,bga))
cairo_set_line_width(cr,ring_w)
cairo_stroke(cr)
-- Draw indicator ring
cairo_arc(cr,xc,yc,ring_r,angle_0,angle_0+t_arc)
cairo_set_source_rgba(cr,rgb_to_r_g_b(fgc,fga))
cairo_stroke(cr)
end
function conky_clock_rings()
local function setup_rings(cr,pt)
local str=''
local value=1
str=string.format('${%s %s}',pt['name'],pt['arg'])
str=conky_parse(str)
if(str ~= '') then
value=tonumber(str)
end
pct=value/pt['max']
draw_ring(cr,pct,pt)
end
-- Check that Conky has been running for at least 5s
if conky_window==nil then return end
local cs=cairo_xlib_surface_create(conky_window.display,conky_window.drawable,conky_window.visual, conky_window.width,conky_window.height)
local cr=cairo_create(cs)
local updates=conky_parse('${updates}')
update_num=tonumber(updates)
if update_num>5 then
for i in pairs(settings_table) do
setup_rings(cr,settings_table[i])
end
end
cairo_destroy(cr)
cairo_surface_destroy(cs)
cr = nil
end