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- --[[
- Ring Meters by londonali1010 (2009)
- This script draws percentage meters as rings. It is fully customisable; all options are described in the script.
- IMPORTANT: if you are using the 'cpu' function, it will cause a segmentation fault if it tries to draw a ring straight away. The if statement on line 145 uses a delay to make sure that this doesn't happen. It calculates the length of the delay by the number of updates since Conky started. Generally, a value of 5s is long enough, so if you update Conky every 1s, use update_num > 5 in that if statement (the default). If you only update Conky every 2s, you should change it to update_num > 3; conversely if you update Conky every 0.5s, you should use update_num > 10. ALSO, if you change your Conky, is it best to use "killall conky; conky" to update it, otherwise the update_num will not be reset and you will get an error.
- To call this script in Conky, use the following (assuming that you save this script to ~/scripts/rings.lua):
- lua_load ~/scripts/rings-v1.2.1.lua
- lua_draw_hook_pre ring_stats
- Changelog:
- + v1.2.1 -- Fixed minor bug that caused script to crash if conky_parse() returns a nil value (20.10.2009)
- + v1.2 -- Added option for the ending angle of the rings (07.10.2009)
- + v1.1 -- Added options for the starting angle of the rings, and added the "max" variable, to allow for variables that output a numerical value rather than a percentage (29.09.2009)
- + v1.0 -- Original release (28.09.2009)
- ]]
- settings_table = {
- {
- -- Edit this table to customise your rings.
- -- You can create more rings simply by adding more elements to settings_table.
- -- "name" is the type of stat to display; you can choose from 'cpu', 'memperc', 'fs_used_perc', 'battery_used_perc'.
- name='time',
- -- "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 ''.
- arg='%d',
- -- "max" is the maximum value of the ring. If the Conky variable outputs a percentage, use 100.
- max=31,
- -- "bg_colour" is the colour of the base ring.
- bg_colour=0xcccccc,
- -- "bg_alpha" is the alpha value of the base ring.
- bg_alpha=0.0,
- -- "fg_colour" is the colour of the indicator part of the ring.
- fg_colour=0xe43526,
- -- "fg_alpha" is the alpha value of the indicator part of the ring.
- fg_alpha=0.8,
- -- "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.
- x=170, y=170,
- -- "radius" is the radius of the ring.
- radius=120,
- -- "thickness" is the thickness of the ring, centred around the radius.
- thickness=1,
- -- "start_angle" is the starting angle of the ring, in degrees, clockwise from top. Value can be either positive or negative.
- start_angle=0,
- -- "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 (e.g. more clockwise) than start_angle.
- end_angle=360,
- sectors = 31,
- gap_sectors=1
- },
- {
- name='time',
- arg='%H.%M',
- max=23,
- bg_colour=0xcccccc,
- bg_alpha=0.1,
- fg_colour=0xcccccc,
- fg_alpha=0.8,
- x=170, y=170,
- radius=80,
- thickness=10,
- start_angle=0,
- end_angle=360
- },
- {
- name='time',
- arg='%M.%S',
- max=59,
- bg_colour=0xcccccc,
- bg_alpha=0.1,
- fg_colour=0xcccccc,
- fg_alpha=0.8,
- x=170, y=170,
- radius=70,
- thickness=5,
- start_angle=0,
- end_angle=360
- },
- {
- name='time',
- arg='%S',
- max=59,
- bg_colour=0xcccccc,
- bg_alpha=0.1,
- fg_colour=0xcccccc,
- fg_alpha=0.8,
- x=170, y=170,
- radius=65,
- thickness=3,
- start_angle=0,
- end_angle=360
- },
- --[[{
- name='cpu',
- arg='cpu2',
- max=100,
- bg_colour=0xffffff,
- bg_alpha=0,
- fg_colour=0xffffff,
- fg_alpha=0.1,
- x=165, y=170,
- radius=76,
- thickness=5,
- start_angle=60,
- end_angle=120
- },
- {
- name='cpu',
- arg='cpu0',
- max=100,
- bg_colour=0xffffff,
- bg_alpha=0.1,
- fg_colour=0xffffff,
- fg_alpha=0.4,
- x=165, y=170,
- radius=84.5,
- thickness=8,
- start_angle=60,
- end_angle=120
- },
- {
- name='battery_percent',
- arg='BAT1',
- max=100,
- bg_colour=0xffffff,
- bg_alpha=0.1,
- fg_colour=0xffffff,
- fg_alpha=0.6,
- x=165, y=170,
- radius=72,
- thickness=11,
- start_angle=122,
- end_angle=210
- },
- {
- name='memperc',
- arg='',
- max=100,
- bg_colour=0xffffff,
- bg_alpha=0.1,
- fg_colour=0xffffff,
- fg_alpha=0.8,
- x=165, y=170,
- radius=83.5,
- thickness=8,
- start_angle=122,
- end_angle=210
- },
- {
- name='time',
- arg='%d',
- max=31,
- bg_colour=0xffffff,
- bg_alpha=0.1,
- fg_colour=0xffffff,
- fg_alpha=0.8,
- x=165, y=170,
- radius=70,
- thickness=5,
- start_angle=212,
- end_angle=360
- },
- {
- name='time',
- arg='%m',
- max=12,
- bg_colour=0xffffff,
- bg_alpha=0.1,
- fg_colour=0xffffff,
- fg_alpha=0.8,
- x=165, y=170,
- radius=76,
- thickness=5,
- start_angle=212,
- end_angle=360
- },
- {
- name='fs_used_perc',
- arg='/',
- max=150,
- bg_colour=0xffffff,
- bg_alpha=0.2,
- fg_colour=0xffffff,
- fg_alpha=0.3,
- x=165, y=170,
- radius=108.5,
- thickness=3,
- start_angle=-120,
- end_angle=240
- },
- {
- name='fs_used_perc',
- arg='/',
- max=100,
- bg_colour=0xffffff,
- bg_alpha=0.2,
- fg_colour=0xffffff,
- fg_alpha=0.3,
- x=165, y=170,
- radius=135,
- thickness=50,
- start_angle=-120,
- end_angle=120
- },]]
- }
- 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_ring_stats()
- 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
- end
- --[[ This is a script made for draw a transaprent background for conky ]]
- -- Change these settings to affect your background.
- -- "corner_r" is the radius, in pixels, of the rounded corners. If you don't want rounded corners, use 0.
- corner_r=300
- -- Set the colour and transparency (alpha) of your background.
- bg_colour=0x000000
- bg_alpha=0.2
- function conky_draw_bg()
- if conky_window==nil then return end
- local w=conky_window.width
- local h=conky_window.height
- local cs=cairo_xlib_surface_create(conky_window.display, conky_window.drawable, conky_window.visual, w, h)
- cr=cairo_create(cs)
- cairo_move_to(cr,corner_r,0)
- cairo_line_to(cr,w-corner_r,0)
- cairo_curve_to(cr,w,0,w,0,w,corner_r)
- cairo_line_to(cr,w,h-corner_r)
- cairo_curve_to(cr,w,h,w,h,w-corner_r,h)
- cairo_line_to(cr,corner_r,h)
- cairo_curve_to(cr,0,h,0,h,0,h-corner_r)
- cairo_line_to(cr,0,corner_r)
- cairo_curve_to(cr,0,0,0,0,corner_r,0)
- cairo_close_path(cr)
- cairo_set_source_rgba(cr,rgb_to_r_g_b(bg_colour,bg_alpha))
- cairo_fill(cr)
- end
- function conky_main()
- conky_draw_bg()
- conky_ring_stats()
- end
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