forked from mirrored-repos/iso-profiles
268 lines
8.2 KiB
Lua
268 lines
8.2 KiB
Lua
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--[[
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# Clock Rings by Linux Mint (2012) reEdited by Altin.
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#
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# https://github.com/altinukshini/conky_blue
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#
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# This script draws percentage meters as rings, and also draws clock hands if you want!
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# It is fully customisable; all options are described in the script.
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# This script is based off a combination of my clock.lua script and my rings.lua script.
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#
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# IMPORTANT: If you are using the 'cpu' function, it will cause a segmentation fault if it tries to draw a ring straight away.
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# The if statement on line 324 uses a delay to make sure that this doesn't happen.
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# It calculates the length of the delay by the number of updates since Conky started.
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# Generally, a value of 5s is long enough, so if you update Conky every 1s,
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# use update_num>5 in that if statement (the default).
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# If you only update Conky every 2s, you should change it to update_num>3;
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# conversely if you update Conky every 0.5s, you should use update_num>10.
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# ALSO, if you change your Conky, is it best to use "killall conky; conky" to update it,
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# otherwise the update_num will not be reset and you will get an error.
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#
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# To call this script in Conky, use the following in your conkyrc:
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#
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# lua_load ~/.conky/clock01_rings.lua
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# lua_draw_hook_pre clock_rings
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#
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# Changelog:
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# * v1.0 --> Original release (30.09.2009)
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# * v1.1p --> Jpope edit londonali1010 (05.10.2009)
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# * vX 2011mint --> reEdit despot77 (18.02.2011)
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# * vX 2012 --> Altin reEdit (22.07.2012)
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# * Added weather function (Accu Weather)
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# * Added battery monitoring
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# * Syslog monitoring
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# * Running processes monitoring
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# * Rearanged rings
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# * Exctra network functions/monitoring
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# * Changed Fonts
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]]
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settings_table = {
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{
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-- Edit this table to customise your rings.
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-- You can create more rings simply by adding more elements to settings_table.
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-- "name" is the type of stat to display; you can choose from 'cpu', 'memperc', 'fs_used_perc', 'battery_used_perc'.
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name='time',
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-- "arg" is the argument to the stat type, e.g. if in Conky you would write ${cpu cpu0}, 'cpu0' would be the argument. If you would not use an argument in the Conky variable, use ''.
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arg='%I.%M',
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-- "max" is the maximum value of the ring. If the Conky variable outputs a percentage, use 100.
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max=12,
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-- "bg_colour" is the colour of the base ring.
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bg_colour=0xffffff,
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-- "bg_alpha" is the alpha value of the base ring.
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bg_alpha=0.15,
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-- "fg_colour" is the colour of the indicator part of the ring.
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fg_colour=0xB90004,
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-- "fg_alpha" is the alpha value of the indicator part of the ring.
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fg_alpha=0.3,
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-- "x" and "y" are the x and y coordinates of the centre of the ring, relative to the top left corner of the Conky window.
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x=100, y=175,
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-- "radius" is the radius of the ring.
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radius=50,
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-- "thickness" is the thickness of the ring, centred around the radius.
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thickness=5,
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-- "start_angle" is the starting angle of the ring, in degrees, clockwise from top. Value can be either positive or negative.
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start_angle=0,
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-- "end_angle" is the ending angle of the ring, in degrees, clockwise from top. Value can be either positive or negative, but must be larger than start_angle.
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end_angle=360
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},
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{
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name='battery_percent',
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arg='',
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max=100,
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bg_colour=0xffffff,
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bg_alpha=0.2,
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fg_colour=0xB90004,
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fg_alpha=0.8,
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x=222, y=110,
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radius=27,
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thickness=5,
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start_angle=-90,
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end_angle=270
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},
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{
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name='time',
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arg='%M.%S',
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max=60,
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bg_colour=0xffffff,
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bg_alpha=0.1,
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fg_colour=0xB90004,
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fg_alpha=0.4,
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x=100, y=175,
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radius=66,
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thickness=5,
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start_angle=0,
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end_angle=360
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},
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{
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name='time',
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arg='%S',
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max=60,
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bg_colour=0xffffff,
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bg_alpha=0.1,
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fg_colour=0xB90004,
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fg_alpha=0.6,
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x=100, y=175,
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radius=72,
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thickness=5,
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start_angle=0,
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end_angle=360
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},
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{
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name='time',
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arg='%d',
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max=31,
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bg_colour=0xffffff,
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bg_alpha=0.1,
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fg_colour=0xB90004,
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fg_alpha=0.8,
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x=100, y=175,
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radius=80,
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thickness=5,
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start_angle=-90,
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end_angle=90
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},
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{
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name='time',
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arg='%m',
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max=12,
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bg_colour=0xffffff,
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bg_alpha=0.1,
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fg_colour=0xB90004,
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fg_alpha=1,
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x=100, y=175,
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radius=86,
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thickness=5,
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start_angle=-90,
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end_angle=90
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},
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}
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-- Use these settings to define the origin and extent of your clock.
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clock_r=65
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-- "clock_x" and "clock_y" are the coordinates of the centre of the clock, in pixels, from the top left of the Conky window.
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clock_x=100
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clock_y=175
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show_seconds=false -- Change to true if you want the seconds hand
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require 'cairo'
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function rgb_to_r_g_b(colour, alpha)
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return ((colour / 0x10000) % 0x100) / 255., ((colour / 0x100) % 0x100) / 255., (colour % 0x100) / 255., alpha
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end
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function window_background(colour, alpha)
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return ((colour / 0x10000) % 0x100) / 255., ((colour / 0x100) % 0x100) / 255., (colour % 0x100) / 255., alpha
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end
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function draw_ring(cr, t, pt)
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local w, h=conky_window.width, conky_window.height
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local xc, yc, ring_r, ring_w, sa, ea=pt['x'], pt['y'], pt['radius'], pt['thickness'], pt['start_angle'], pt['end_angle']
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local bgc, bga, fgc, fga=pt['bg_colour'], pt['bg_alpha'], pt['fg_colour'], pt['fg_alpha']
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local angle_0=sa*(2*math.pi/360)-math.pi/2
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local angle_f=ea*(2*math.pi/360)-math.pi/2
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local t_arc=t*(angle_f-angle_0)
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-- Draw background ring
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cairo_arc(cr, xc, yc, ring_r, angle_0, angle_f)
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cairo_set_source_rgba(cr, rgb_to_r_g_b(bgc, bga))
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cairo_set_line_width(cr, ring_w)
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cairo_stroke(cr)
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-- Draw indicator ring
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cairo_arc(cr, xc, yc, ring_r, angle_0, angle_0+t_arc)
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cairo_set_source_rgba(cr, rgb_to_r_g_b(fgc, fga))
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cairo_stroke(cr)
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end
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function draw_clock_hands(cr, xc, yc)
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local secs, mins, hours, secs_arc, mins_arc, hours_arc
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local xh, yh, xm, ym, xs, ys
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secs=os.date("%S")
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mins=os.date("%M")
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hours=os.date("%I")
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secs_arc=(2*math.pi/60)*secs
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mins_arc=(2*math.pi/60)*mins+secs_arc/60
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hours_arc=(2*math.pi/12)*hours+mins_arc/12
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-- Draw hour hand
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xh=xc+0.76*clock_r*math.sin(hours_arc)
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yh=yc-0.72*clock_r*math.cos(hours_arc)
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cairo_move_to(cr, xc, yc)
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cairo_line_to(cr, xh, yh)
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cairo_set_line_cap(cr, CAIRO_LINE_CAP_ROUND)
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cairo_set_line_width(cr, 5)
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cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0)
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cairo_stroke(cr)
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-- Draw minute hand
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xm=xc+0.98*clock_r*math.sin(mins_arc)
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ym=yc-1.02*clock_r*math.cos(mins_arc)
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cairo_move_to(cr, xc, yc)
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cairo_line_to(cr, xm, ym)
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cairo_set_line_width(cr, 3)
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cairo_stroke(cr)
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-- Draw seconds hand
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if show_seconds then
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xs=xc+1.1*clock_r*math.sin(secs_arc)
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ys=yc-clock_r*math.cos(secs_arc)
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cairo_move_to(cr, xc, yc)
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cairo_line_to(cr, xs, ys)
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cairo_set_line_width(cr, 1)
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cairo_stroke(cr)
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end
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end
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function conky_clock_rings()
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local function setup_rings(cr, pt)
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local str=''
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local value=0
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str=string.format('${%s %s}', pt['name'], pt['arg'])
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str=conky_parse(str)
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value=tonumber(str)
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if value == 0 and pt['name'] == 'battery_percent' then
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pt['bg_alpha'] = 0
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end
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pct=value/pt['max']
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draw_ring(cr, pct, pt)
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end
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-- Check that Conky has been running for at least 5s
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if conky_window==nil then return end
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local cs=cairo_xlib_surface_create(conky_window.display, conky_window.drawable, conky_window.visual, conky_window.width, conky_window.height)
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local cr=cairo_create(cs)
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local updates=conky_parse('${updates}')
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update_num=tonumber(updates)
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if update_num>5 then
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for i in pairs(settings_table) do
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setup_rings(cr, settings_table[i])
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end
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end
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draw_clock_hands(cr, clock_x, clock_y)
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end
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