require 'cairo'
--[[ AIR CLOCK WIDGET ]]
--[[ Options (xc, yc, size):
"xc" and "yc" are the x and y coordinates of the centre of the clock, in pixels, relative to the top left of the Conky window
"size" is the total size of the widget, in pixels ]]
function air_clock(cr, xc, yc, size)
local offset = 0
shadow_width = size * 0.03
shadow_xoffset = 0
shadow_yoffset = size * 0.01
if shadow_xoffset >= shadow_yoffset then
offset = shadow_xoffset
else offset = shadow_yoffset
end
local clock_r = (size - 2 * offset) / (2 * 1.25)
show_seconds=true
-- Grab time
local hours=os.date("%I")
local mins=os.date("%M")
local secs=os.date("%S")
secs_arc=(2*math.pi/60)*secs
mins_arc=(2*math.pi/60)*mins
hours_arc=(2*math.pi/12)*hours+mins_arc/12
-- Drop shadow
--[[
local ds_pat=cairo_pattern_create_radial(xc+shadow_xoffset,yc+shadow_yoffset,clock_r*1.25,xc+shadow_xoffset,yc+shadow_yoffset,clock_r*1.25+shadow_width)
cairo_pattern_add_color_stop_rgba(ds_pat,0,0,0,0,0.2)
cairo_pattern_add_color_stop_rgba(ds_pat,1,0,0,0,0)
cairo_move_to(cr,0,0)
cairo_line_to(cr,conky_window.width,0)
cairo_line_to(cr,conky_window.width, conky_window.height)
cairo_line_to(cr,0,conky_window.height)
cairo_close_path(cr)
cairo_new_sub_path(cr)
cairo_arc(cr,xc,yc,clock_r*1.25,0,2*math.pi)
cairo_set_source(cr,ds_pat)
cairo_set_fill_rule(cr,CAIRO_FILL_RULE_EVEN_ODD)
cairo_fill(cr)
]]
-- Glassy border
cairo_arc(cr,xc,yc,clock_r*1.25,0,2*math.pi)
cairo_set_line_width(cr,1)
cairo_stroke(cr)
local border_pat=cairo_pattern_create_linear(xc,yc-clock_r*1.25,xc,yc+clock_r*1.25)
cairo_pattern_add_color_stop_rgba(border_pat,0,1,1,1,0.7)
cairo_pattern_add_color_stop_rgba(border_pat,0.3,1,1,1,0)
cairo_pattern_add_color_stop_rgba(border_pat,0.5,1,1,1,0)
cairo_pattern_add_color_stop_rgba(border_pat,0.7,1,1,1,0)
cairo_pattern_add_color_stop_rgba(border_pat,1,1,1,1,0.7)
cairo_set_source(cr,border_pat)
cairo_arc(cr,xc,yc,clock_r*1.125,0,2*math.pi)
cairo_close_path(cr)
cairo_set_line_width(cr,clock_r*0.25)
cairo_stroke(cr)
-- Set clock face
--[[
cairo_arc(cr,xc,yc,clock_r,0,2*math.pi)
cairo_close_path(cr)
local face_pat=cairo_pattern_create_radial(xc,yc-clock_r*0.75,0,xc,yc,clock_r)
cairo_pattern_add_color_stop_rgba(face_pat,0,1,1,1,0.9)
cairo_pattern_add_color_stop_rgba(face_pat,0.5,1,1,1,0.9)
cairo_pattern_add_color_stop_rgba(face_pat,1,0.9,0.9,0.9,0.9)
cairo_set_source(cr,face_pat)
cairo_fill_preserve(cr)
cairo_set_source_rgba(cr,0.5,0.5,0.5,0.2)
cairo_set_line_width(cr, 1)
cairo_stroke (cr)
]]
-- Draw hour hand
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,0,0,0,0.5)
cairo_stroke(cr)
-- Draw minute hand
xm=xc+0.9*clock_r*math.sin(mins_arc)
ym=yc-0.9*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)
-- Draw seconds hand
if show_seconds then
xs=xc+0.9*clock_r*math.sin(secs_arc)
ys=yc-0.9*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
--[[ END AIR CLOCK WIDGET ]]
function conky_widgets()
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)
air_clock(cr, 1288, 173, 240) -- options: xc, yc, size
cairo_destroy(cr)
end
di save misal dengan nama clock.lua
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