--==============================================================================
-- conky_sysmon.lua
--
-- by mjjohanson based on work from SLK and londonali
--==============================================================================
require 'cairo'
--------------------------------------------------------------------------------
-- gauge DATA
gauge = {
{
name='hwmon', arg='0 temp 1', max_value=60,
x=85, y=68,
graph_radius=34,
graph_thickness=6,
graph_start_angle=180,
graph_unit_angle=3.0, graph_unit_thickness=3.0,
graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.5,
gradient_display=1,
hand_fg_colour=0xEF5A29, hand_fg_alpha=0.0,
txt_radius=40,
txt_weight=0, txt_size=8.0,
txt_fg_colour=0xFFFFFF, txt_fg_alpha=0.0,
graduation_radius=28,
graduation_thickness=0, graduation_mark_thickness=1,
graduation_unit_angle=27,
graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3,
caption='',
caption_weight=1, caption_size=8.0,
caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3,
},
{
name='nvidia', arg='temp', max_value=80,
x=85, y=68,
graph_radius=26,
graph_thickness=6,
graph_start_angle=180,
graph_unit_angle=2.25, graph_unit_thickness=2.25,
graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.5,
gradient_display=1,
hand_fg_colour=0xEF5A29, hand_fg_alpha=0.0,
txt_radius=24,
txt_weight=0, txt_size=8.0,
txt_fg_colour=0xFFFFFF, txt_fg_alpha=0.0,
graduation_radius=28,
graduation_thickness=0, graduation_mark_thickness=1,
graduation_unit_angle=27,
graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3,
caption='',
caption_weight=1, caption_size=8.0,
caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3,
},
{
name='hddtemp', arg='/dev/sda', max_value=60,
x=85, y=68,
graph_radius=18,
graph_thickness=6,
graph_start_angle=180,
graph_unit_angle=3.0, graph_unit_thickness=3.0,
graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.5,
gradient_display=1,
hand_fg_colour=0xEF5A29, hand_fg_alpha=0.0,
txt_radius=10,
txt_weight=0, txt_size=8.0,
txt_fg_colour=0xFFFFFF, txt_fg_alpha=0.0,
graduation_radius=28,
graduation_thickness=0, graduation_mark_thickness=1,
graduation_unit_angle=27,
graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.3,
caption='',
caption_weight=1, caption_size=8.0,
caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3,
},
{
name='memperc', arg='', max_value=100,
x=85, y=168,
graph_radius=34,
graph_thickness=6,
graph_start_angle=180,
graph_unit_angle=1.8, graph_unit_thickness=1.8,
graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.5,
gradient_display=1,
hand_fg_colour=0xEF5A29, hand_fg_alpha=0.0,
txt_radius=40,
txt_weight=0, txt_size=8.0,
txt_fg_colour=0xFFFFFF, txt_fg_alpha=0.0,
graduation_radius=34,
graduation_thickness=6, graduation_mark_thickness=2,
graduation_unit_angle=15,
graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.5,
caption='',
caption_weight=1, caption_size=8.0,
caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3,
},
{
name='cpu', arg='cpu0', max_value=100,
x=85, y=168,
graph_radius=26,
graph_thickness=6,
graph_start_angle=180,
graph_unit_angle=1.8, graph_unit_thickness=1.8,
graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.5,
gradient_display=0,
hand_fg_colour=0xEF5A29, hand_fg_alpha=0.0,
txt_radius=18,
txt_weight=0, txt_size=8.0,
txt_fg_colour=0xFFFFFF, txt_fg_alpha=0.0,
graduation_radius=23,
graduation_thickness=0, graduation_mark_thickness=2,
graduation_unit_angle=27,
graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.5,
caption='',
caption_weight=1, caption_size=8.0,
caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3,
},
{
name='loadavg', arg='1', max_value=18,
x=85, y=168,
graph_radius=18,
graph_thickness=6,
graph_start_angle=180,
graph_unit_angle=10, graph_unit_thickness=10,
graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.5,
gradient_display=1,
hand_fg_colour=0xEF5A29, hand_fg_alpha=0.0,
txt_radius=10,
txt_weight=0, txt_size=8.0,
txt_fg_colour=0xFFFFFF, txt_fg_alpha=0.0,
graduation_radius=23,
graduation_thickness=0, graduation_mark_thickness=2,
graduation_unit_angle=27,
graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.5,
caption='',
caption_weight=1, caption_size=8.0,
caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3,
},
{
name='downspeedf', arg='eth0', max_value=400,
x=85, y=268,
graph_radius=34,
graph_thickness=6,
graph_start_angle=180,
graph_unit_angle=0.45, graph_unit_thickness=0.45,
graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.5,
gradient_display=0,
hand_fg_colour=0xEF5A29, hand_fg_alpha=0.0,
txt_radius=10,
txt_weight=0, txt_size=8.0,
txt_fg_colour=0xFFFFFF, txt_fg_alpha=0.0,
graduation_radius=23,
graduation_thickness=0, graduation_mark_thickness=2,
graduation_unit_angle=27,
graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.5,
caption='',
caption_weight=1, caption_size=8.0,
caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3,
},
{
name='upspeedf', arg='eth0', max_value=40,
x=85, y=268,
graph_radius=26,
graph_thickness=6,
graph_start_angle=180,
graph_unit_angle=4.5, graph_unit_thickness=4.5,
graph_bg_colour=0xffffff, graph_bg_alpha=0.1,
graph_fg_colour=0xFFFFFF, graph_fg_alpha=0.5,
gradient_display=0,
hand_fg_colour=0xEF5A29, hand_fg_alpha=0.0,
txt_radius=10,
txt_weight=0, txt_size=8.0,
txt_fg_colour=0xFFFFFF, txt_fg_alpha=0.0,
graduation_radius=23,
graduation_thickness=0, graduation_mark_thickness=2,
graduation_unit_angle=27,
graduation_fg_colour=0xFFFFFF, graduation_fg_alpha=0.5,
caption='',
caption_weight=1, caption_size=8.0,
caption_fg_colour=0xFFFFFF, caption_fg_alpha=0.3,
}
}
-------------------------------------------------------------------------------
-- rgb_to_r_g_b
-- converts color in hexa to decimal
--
function rgb_to_r_g_b(colour, alpha)
return ((colour / 0x10000) % 0x100) / 255., ((colour / 0x100) % 0x100) / 255., (colour % 0x100) / 255., alpha
end
-------------------------------------------------------------------------------
-- angle_to_position
-- convert degree to rad and rotate (0 degree is top/north)
--
function angle_to_position(start_angle, current_angle)
local pos = current_angle + start_angle
return ( ( pos * (2 * math.pi / 360) ) - (math.pi / 2) )
end
-------------------------------------------------------------------------------
-- draw_gauge_ring
-- displays gauges
--
function draw_gauge_ring(display, data, value)
local max_value = data['max_value']
local x, y = data['x'], data['y']
local graph_radius = data['graph_radius']
local graph_thickness, graph_unit_thickness = data['graph_thickness'], data['graph_unit_thickness']
local graph_start_angle = data['graph_start_angle']
local graph_unit_angle = data['graph_unit_angle']
local graph_bg_colour, graph_bg_alpha = data['graph_bg_colour'], data['graph_bg_alpha']
local graph_fg_colour, graph_fg_alpha = data['graph_fg_colour'], data['graph_fg_alpha']
local gradient = data['gradient_display']
local hand_fg_colour, hand_fg_alpha = data['hand_fg_colour'], data['hand_fg_alpha']
local graph_end_angle = (max_value * graph_unit_angle) % 360
-- background ring
cairo_arc(display, x, y, graph_radius, angle_to_position(graph_start_angle, 0), angle_to_position(graph_start_angle, graph_end_angle))
cairo_set_source_rgba(display, rgb_to_r_g_b(graph_bg_colour, graph_bg_alpha))
cairo_set_line_width(display, graph_thickness)
cairo_stroke(display)
-- arc of value
local val = value % (max_value + 1)
if gradient > 0 then
if value / max_value > 0.6 then graph_fg_colour = 0xFFFF66 end
if value / max_value > 0.7 then graph_fg_colour = 0xFFCC33 end
if value / max_value > 0.8 then graph_fg_colour = 0xFF9900 end
if value / max_value > 0.9 then graph_fg_colour = 0xFF3300 end
end
local start_arc = 0
local stop_arc = 0
local i = 1
while i <= val do
start_arc = (graph_unit_angle * i) - graph_unit_thickness
stop_arc = (graph_unit_angle * i)
cairo_arc(display, x, y, graph_radius, angle_to_position(graph_start_angle, start_arc), angle_to_position(graph_start_angle, stop_arc))
cairo_set_source_rgba(display, rgb_to_r_g_b(graph_fg_colour, graph_fg_alpha))
cairo_stroke(display)
i = i + 1
end
local angle = start_arc
-- hand
start_arc = (graph_unit_angle * val) - (graph_unit_thickness * 2)
stop_arc = (graph_unit_angle * val)
cairo_arc(display, x, y, graph_radius, angle_to_position(graph_start_angle, start_arc), angle_to_position(graph_start_angle, stop_arc))
cairo_set_source_rgba(display, rgb_to_r_g_b(hand_fg_colour, hand_fg_alpha))
cairo_stroke(display)
-- graduations marks
local graduation_radius = data['graduation_radius']
local graduation_thickness, graduation_mark_thickness = data['graduation_thickness'], data['graduation_mark_thickness']
local graduation_unit_angle = data['graduation_unit_angle']
local graduation_fg_colour, graduation_fg_alpha = data['graduation_fg_colour'], data['graduation_fg_alpha']
if graduation_radius > 0 and graduation_thickness > 0 and graduation_unit_angle > 0 then
local nb_graduation = graph_end_angle / graduation_unit_angle
local i = 0
while i < nb_graduation do
cairo_set_line_width(display, graduation_thickness)
start_arc = (graduation_unit_angle * i) - (graduation_mark_thickness / 2)
stop_arc = (graduation_unit_angle * i) + (graduation_mark_thickness / 2)
cairo_arc(display, x, y, graduation_radius, angle_to_position(graph_start_angle, start_arc), angle_to_position(graph_start_angle, stop_arc))
cairo_set_source_rgba(display,rgb_to_r_g_b(graduation_fg_colour,graduation_fg_alpha))
cairo_stroke(display)
cairo_set_line_width(display, graph_thickness)
i = i + 1
end
end
-- text
local txt_radius = data['txt_radius']
local txt_weight, txt_size = data['txt_weight'], data['txt_size']
local txt_fg_colour, txt_fg_alpha = data['txt_fg_colour'], data['txt_fg_alpha']
local movex = txt_radius * math.cos(angle_to_position(graph_start_angle, angle))
local movey = txt_radius * math.sin(angle_to_position(graph_start_angle, angle))
cairo_select_font_face (display, "ubuntu", CAIRO_FONT_SLANT_NORMAL, txt_weight)
cairo_set_font_size (display, txt_size)
cairo_set_source_rgba (display, rgb_to_r_g_b(txt_fg_colour, txt_fg_alpha))
cairo_move_to (display, x + movex - (txt_size / 2), y + movey + 3)
cairo_show_text (display, value)
cairo_stroke (display)
-- caption
local caption = data['caption']
local caption_weight, caption_size = data['caption_weight'], data['caption_size']
local caption_fg_colour, caption_fg_alpha = data['caption_fg_colour'], data['caption_fg_alpha']
local tox = graph_radius * (math.cos((graph_start_angle * 2 * math.pi / 360)-(math.pi/2)))
local toy = graph_radius * (math.sin((graph_start_angle * 2 * math.pi / 360)-(math.pi/2)))
cairo_select_font_face (display, "ubuntu", CAIRO_FONT_SLANT_NORMAL, caption_weight);
cairo_set_font_size (display, caption_size)
cairo_set_source_rgba (display, rgb_to_r_g_b(caption_fg_colour, caption_fg_alpha))
cairo_move_to (display, x + tox + 5, y + toy + 1)
-- bad hack but not enough time !
if graph_start_angle < 105 then
cairo_move_to (display, x + tox - 30, y + toy + 1)
end
cairo_show_text (display, caption)
cairo_stroke (display)
end
-------------------------------------------------------------------------------
-- go_gauge_rings
-- loads data and displays gauges
--
function go_gauge_rings(display)
local function load_gauge_rings(display, data)
local str, value = '', 0
str = string.format('${%s %s}',data['name'], data['arg'])
str = conky_parse(str)
if data['name'] == "hddtemp" then
if str=="N/A" then
str=lasthddtemp
else
lasthddtemp=str
end
end
value = tonumber(str)
if value == nil then value = 0 end
draw_gauge_ring(display, data, value)
end
for i in pairs(gauge) do
load_gauge_rings(display, gauge[i])
end
end
-------------------------------------------------------------------------------
-- MAIN
function conky_main()
if conky_window == nil then
return
end
local cs = cairo_xlib_surface_create(conky_window.display, conky_window.drawable, conky_window.visual, conky_window.width, conky_window.height)
local display = cairo_create(cs)
go_gauge_rings(display)
end
-------------------------------------------------------------------------------
-- resolve_hddtemp
-- displays old hddtemp value when new value is N/A
--
function conky_resolve_hddtemp(device)
local str, value = '', 0
str = string.format('${%s %s}', 'hddtemp', device)
str = conky_parse(str)
if str == "N/A" then
str = lasthddtemp
else
lasthddtemp = str
end
value = tonumber(str)
if value == nil then value = 0 end
return value
end
por anna kamilla » Dom, 14 de Agosto 2011, 21:43 
"Somente seres humanos excepcionais e irrepreensíveis suscitam ideias generosas e ações elevadas. O conhecimento é limitado. A imaginação envolve ao mundo." 
