Ubuntu-gr Forum

# -- Conky settings -- #
background no
update_interval 1

cpu_avg_samples 2
net_avg_samples 2

override_utf8_locale yes

double_buffer yes
no_buffers yes
short_units yes

text_buffer_size 2048
imlib_cache_size 0

use_xft yes
xftfont monospace:pixelsize=25
xftalpha .8

own_window_type window
own_window_hints undecorate,sticky,skip_taskbar,skip_pager,below
own_window yes
own_window_transparent yes
own_window_argb_visual yes
own_window_colour ddeeee
default_color 000000
border_inner_margin 0
border_outer_margin 0

minimum_size 600 500
alignment tr
gap_x 50
gap_y 50

# -- Graphics settings -- #
draw_shades no
draw_outline no
draw_borders no
draw_graph_borders no


# -- Lua load -- #
lua_load /home/fog/.conky/click_clock.lua
lua_draw_hook_pre main

#at least one line (empty or not) after TEXT
TEXT

--[[ Clock for conky
written by easysid
Thu 09 May 2013 19:20:16 IST
modified for Sector11
Mon 03 Jun 2013 22:26:55 IST

]]--

require 'cairo'

function conky_main()

clock_table = {
{
-- Draw the seconds
arg = "time %S",
xc = 300,
yc = 200,
r = 150, -- radius
divs = 60, --divisions or max value. default is 60.
font_face = "monofur",
top_font_size = 24, -- font size for display
min_font_size = 8, -- min font for trail
max_font_size = 18, -- max font fot trail
max_alpha = .6, -- max alpha for trail
trail = 40, -- size of trail. Must be less than divs
main_color = {0x33444B, 1}, --color of numbers
trail_color = {0x33444B, 1} --color of trail.
},

{
-- Draw the Minutes
arg = "time %M",
xc = 300,
yc = 200,
r = 100, -- radius
font_face = "monofur",
top_font_size = 26, -- font size for display
min_font_size = 8, -- min font for trail
max_font_size = 16, -- max font fot trail
max_alpha = .6, -- max alpha for trail
trail = 40, -- size of trail
main_color = {0x33444B, 1}, --color of numbers
trail_color = {0x33444B, 1} --color of trail
},

{
-- Draw the Hours
arg = "time %H",
xc = 300,
yc = 200,
r = 60,
divs = 12, -- divisions. default is 60
font_face = "monofur",
top_font_size = 30, -- font size for display
min_font_size = 10, -- min font for trail
max_font_size = 20, -- max font fot trail
max_alpha = .6, -- max alpha for trail
trail = 12, -- size of trail
main_color = {0x33444B, 1}, --color of numbers
trail_color = {0x33444B, 1} --color of trail
},
}
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)
cr = cairo_create(cs)
local updates=tonumber(conky_parse('${updates}'))
if updates>3 then
for i in ipairs(clock_table) do
draw_clock(cr, clock_table[i])
end
end
cairo_destroy(cr)
cairo_surface_destroy(cs)
cr=nil
end-- end main function


function draw_clock(cr, t)

local divs = t.divs or 60
local value = tonumber(conky_parse(string.format("${%s}",t.arg)))
local first = value - t.trail
for i = first, value do
local theta = i*2*math.pi/divs -math.pi/2 -- calculate the angle
t.trail_color[2] = t.max_alpha*(i-first)/(value-first) -- map alpha value to [0, max_alpha]
local font_size = (t.max_font_size-t.min_font_size)*(i-first)/(value-first) + t.min_font_size -- map font size similar to alpha
if i == value then -- if we have the main value
out({x = t.xc + t.r*math.cos(theta), y = t.yc + t.r*math.sin(theta),
font=t.font_face, fs=t.top_font_size, text=value, color=t.main_color})
else
local k = i
if k < 0 then k = divs + i end -- adjust negatives
out({x = t.xc + t.r*math.cos(theta), y = t.yc + t.r*math.sin(theta),
font=t.font_face, fs=font_size, text=k, color=t.trail_color})
end --if
end -- end for

end -- end draw_clock

function out(t)
--[[ function to put the text
arguments:
x,y - position of the text (bottom-left) -mandatory
text - text to display

optional arguments:
font - font face
fs - font size
color - color in {hexvalue, alpha} pair
bold - boolean. default false. Bold text
italic - boolean. default false
centred - boolean. default false. Centre the text at x,y instead of starting from it.
]]--

-- checks
t.font = t.font or 'monospace'
t.fs = t.fs or 14
t.color = t.color or {0x33444B,1}
t.text = t.text or 'text'
t.centred = t.centred or false
t.bold = t.bold and CAIRO_FONT_WEIGHT_BOLD or CAIRO_FONT_WEIGHT_NORMAL
t.italic = t.italic and CAIRO_FONT_SLANT_ITALIC or CAIRO_FONT_SLANT_NORMAL

if t.centred then
local ext = cairo_text_extents_t:create()
cairo_text_extents(cr,t.text,ext)
t.x = t.x - ext.width/2
t.y = t.y + ext.height/4
end
--setup
cairo_set_source_rgba (cr, rgba_to_r_g_b_a(t.color))
cairo_select_font_face (cr, t.font, t.italic, t.bold)
cairo_set_font_size (cr, t.fs)
--print
cairo_move_to(cr,t.x,t.y)
cairo_show_text(cr,t.text)

end -- end out

function rgba_to_r_g_b_a(tcolor)
local color,alpha=tcolor[1],tcolor[2]
return ((color / 0x10000) % 0x100) / 255.,
((color / 0x100) % 0x100) / 255., (color % 0x100) / 255., alpha
end --end rgba