settings_table = {
{
name='time',
arg='%I.%M',
max=12,
bg_colour=0x00FFFF,
bg_alpha=0.1,
fg_colour=0xffffff,
fg_alpha=0.2,
x=160, y=155,
radius=50,
thickness=5,
start_angle=0,
end_angle=360
},
{
name='time',
arg='%M.%S',
max=60,
bg_colour=0x00FFFF,
bg_alpha=0.1,
fg_colour=0xffffff,
fg_alpha=0.4,
x=160, y=155,
radius=56,
thickness=5,
start_angle=0,
end_angle=360
},
{
name='time',
arg='%S',
max=60,
bg_colour=0x00FFFF,
bg_alpha=0.1,
fg_colour=0xffffff,
fg_alpha=0.6,
x=160, y=155,
radius=62,
thickness=5,
start_angle=0,
end_angle=360
},
{
name='cpu',
arg='cpu0',
max=100,
bg_colour=0x00FFFF,
bg_alpha=0.2,
fg_colour=0xffffff,
fg_alpha=0.5,
x=160, y=155,
radius=78.5,
thickness=10,
start_angle=93,
end_angle=208
},
{
name='memperc',
arg='',
max=100,
bg_colour=0x00FFFF,
bg_alpha=0.2,
fg_colour=0xffffff,
fg_alpha=0.5,
x=160, y=155,
radius=78.5,
thickness=10,
start_angle=212,
end_angle=329
},
{
name='wireless_link_qual_perc',
arg='eth0',
max=100,
bg_colour=0x00FFFF,
bg_alpha=0.2,
fg_colour=0xffffff,
fg_alpha=0.5,
x=160, y=155,
radius=78.5,
thickness=10,
start_angle=-27,
end_angle=85
},
{
name='cpu',
arg='cpu0',
max=100,
bg_colour=0xd5dcde,
bg_alpha=1,
fg_colour=0x000000,
fg_alpha=0.6,
x=160, y=155,
radius=120,
thickness=2,
start_angle=75,
end_angle=105
},
{
name='cpu',
arg='cpu0',
max=100,
bg_colour=0xd5dcde,
bg_alpha=1,
fg_colour=0x000000,
fg_alpha=0.6,
x=160, y=155,
radius=403,
thickness=2,
start_angle=86,
end_angle=94
},
{
name='fs_used_perc',
arg='/',
max=100,
bg_colour=0x00FFFF,
bg_alpha=0.2,
fg_colour=0xffffff,
fg_alpha=0.5,
x=160, y=155,
radius=105,
thickness=3,
start_angle=-120,
end_angle=-13
},
{
name='fs_used_perc',
arg='/home',
max=100,
bg_colour=0x00FFFF,
bg_alpha=0.2,
fg_colour=0xffffff,
fg_alpha=0.5,
x=160, y=155,
radius=105,
thickness=3,
start_angle=-10,
end_angle=120
},
}
clock_r=125
clock_x=160
clock_y=155
clock_colour=0x00FFFF
clock_alpha=0.5
show_seconds=true
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)
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)
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 draw_clock_hands(cr,xc,yc)
local secs,mins,hours,secs_arc,mins_arc,hours_arc
local xh,yh,xm,ym,xs,ys
secs=os.date("%S")
mins=os.date("%M")
hours=os.date("%I")
secs_arc=(2*math.pi/60)*secs
mins_arc=(2*math.pi/60)*mins+secs_arc/60
hours_arc=(2*math.pi/12)*hours+mins_arc/12
xh=xc+0.7*clock_r*math.sin(hours_arc)
yh=yc-0.7*clock_r*math.cos(hours_arc)
cairo_move_to(cr,xc,yc)
cairo_line_to(cr,xh,yh)
cairo_set_line_cap(cr,CAIRO_LINE_CAP_ROUND)
cairo_set_line_width(cr,5)
cairo_set_source_rgba(cr,rgb_to_r_g_b(clock_colour,clock_alpha))
cairo_stroke(cr)
xm=xc+clock_r*math.sin(mins_arc)
ym=yc-clock_r*math.cos(mins_arc)
cairo_move_to(cr,xc,yc)
cairo_line_to(cr,xm,ym)
cairo_set_line_width(cr,3)
cairo_stroke(cr)
if show_seconds then
xs=xc+clock_r*math.sin(secs_arc)
ys=yc-clock_r*math.cos(secs_arc)
cairo_move_to(cr,xc,yc)
cairo_line_to(cr,xs,ys)
cairo_set_line_width(cr,1)
cairo_stroke(cr)
end
end
function conky_clock_rings()
local function setup_rings(cr,pt)
local str=''
local value=0
str=string.format('${%s %s}',pt['name'],pt['arg'])
str=conky_parse(str)
value=tonumber(str)
if value == nil then value = 0 end
pct=value/pt['max']
draw_ring(cr,pct,pt)
end
if conky_window==nil then return end
local cs=cairo_xlib_surface_create(conky_window.display,conky_window.drawable,conky_window.visual, conky_window.width,conky_window.height)
local cr=cairo_create(cs)
local updates=conky_parse('${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
draw_clock_hands(cr,clock_x,clock_y)
end