--[[BOX WIDGET v1.1 by Wlourf 27/01/2011
This widget can drawn some boxes, even circles in your conky window
http://u-scripts.blogspot.com/2011/01/b ... .html)Inspired by Background by londonali1010 (2009), thanks ;-)
The parameters (all optionals) are :
x - x coordinate of top-left corner of the box, default = 0 = (top-left corner of conky window)
y - y coordinate of top-left corner of the box, default = 0 = (top-left corner of conky window)
w - width of the box, default = width of the conky window
h - height of the box, default = height of the conky window
corners - corners is a table for the four corners in this order : top-left, top-right,bottom-right, bottom-left
each corner is defined in a table with a shape and a radius, available shapes are : "curve","circle","line"
example for the same shapes for all corners:
{ {"circle",10} }
example for first corner different from the three others
{ {"circle",10}, {"circle",5} }
example for top corners differents from bottom corners
{ {"circle",10}, {"circle",10}, {"line",0} }
default = { {"line",0} } i.e=no corner
operator - set the compositing operator (needs in the conkyrc : own_window_argb_visual yes)
see
http://cairographics.org/operators/ available operators are :
"clear","source","over","in","out","atop","dest","dest_over","dest_in","dest_out","dest_atop","xor","add","saturate"
default = "over"
border - if border>0, the script draws only the border, like a frame, default=0
dash - if border>0 and dash>0, the border is draw with dashes, default=0
skew_x - skew box around x axis, default = 0
skew_y - skew box around y axis, default = 0
scale_x - rescale the x axis, default=1, useful for drawing elipses ...
scale_y - rescale the x axis, default=1
angle - angle of rotation of the box in degrees, default = 0
i.e. a horizontal graph
rot_x - x point of rotation's axis, default = 0,
relative to top-left corner of the box, (not the conky window)
rot_y - y point of rotation's axis, default = 0
relative to top-left corner of the box, (not the conky window)
draw_me - if set to false, box is not drawn (default = true or 1)
it can be used with a conky string, if the string returns 1, the box is drawn :
example : "${if_empty ${wireless_essid wlan0}}${else}1$endif",
linear_gradient - table with the coordinates of two points to define a linear gradient,
points are relative to top-left corner of the box, (not the conky window)
{x1,y1,x2,y2}
radial_gradient - table with the coordinates of two circle to define a radial gradient,
points are relative to top-left corner of the box, (not the conky window)
{x1,y1,r1,x2,y2,r2} (r=radius)
colour - table of colours, default = plain white {{1,0xFFFFFF,0.5}}
this table contains one or more tables with format {P,C,A}
P=position of gradient (0 = start of the gradient, 1= end of the gradient)
C=hexadecimal colour
A=alpha (opacity) of color (0=invisible,1=opacity 100%)
Examples :
for a plain color {{1,0x00FF00,0.5}}
for a gradient with two colours {{0,0x00FF00,0.5},{1,0x000033,1}} {x=80,y=150,w=100,h=20,
radial_gradient={20,20,0,20,20,20},
colour={{0.5,0xFFFFFF,1},{1,0x000000,0}},
or {{0.5,0x00FF00,1},{1,0x000033,1}} -with this one, gradient will start in the middle
for a gradient with three colours {{0,0x00FF00,0.5},{0.5,0x000033,1},{1,0x440033,1}}
and so on ...
To call this script in Conky, use (assuming you have saved this script to ~/scripts/):
lua_load ~/scripts/box.lua
lua_draw_hook_pre main_box
And leave one line blank or not after TEXT
Changelog:
+ v1.0 -- Original release (19.12.2010)
+ v1.1 -- Adding parameters: operator, dash, angle, skew_x, skew_y, draw_me
corners are described in a table
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation version 3 (GPLv3)
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-- MA 02110-1301, USA.
]]
require 'cairo'
function conky_main_box()
if conky_window==nil then return end
---------------------- PARAMETERS BEGIN HERE
local boxes_settings={
--CPU #1
{x=5, y=5,w=60,h=60,
corners={ {"circle",30}, {"circle",30}, {"circle",0}, {"circle",30}},
colour={{0,0x242424,0.8}},
},
--CPU #2
{x=5, y=108,w=60,h=60,
corners={ {"circle",30}, {"circle",30}, {"circle",0}, {"circle",30}},
colour={{0,0x242424,0.8}},
},
--RAM
{x=5, y=211,w=60,h=60,
corners={ {"circle",30}, {"circle",30}, {"circle",0}, {"circle",30}},
colour={{0,0x242424,0.8}},
},
--Home
{x=5, y=314,w=60,h=60,
corners={ {"circle",30}, {"circle",30}, {"circle",0}, {"circle",30}},
colour={{0,0x242424,0.8}},
},
--Root
{x=5, y=417,w=60,h=60,
corners={ {"circle",30}, {"circle",30}, {"circle",0}, {"circle",30}},
colour={{0,0x242424,0.8}},
},
--[[
FIRST COLUMN
--default colour and corner
{x=10, y=25,w=100,h=60},
--corners
{x=10, y=110,w=100,h=60,
--the missing corners are repeated
corners={ {"",0}, {"circle",30},}
},
--border
{x=10, y=210,w=100,h=60,
--the missing corners are repeated
corners={ {"",0}, {"circle",30}, {"",0}, {"circle",30}},
border= 3
},
--dashed border
{x=10, y=310,w=100,h=60,
--the missing corners are repeated
corners={ {"",0}, {"circle",30}, {"",0}, {"circle",30}},
border= 5, dash = 10
},
--plain colour
{x=10, y=410,w=100,h=60,
colour={ {0,0xF48F35,0.5} },
},
--linear gradient
{x=10, y=510,w=100,h=60,
colour={ {0,0xF48F35,0.2}, {1,0xF48F35,1}},
linear_gradient={0,0,200,0},
corners={ {"circle",30},},
},
--radial gradient
{x=10, y=610,w=100,h=60,
colour={ {1,0xF48F35,0.2}, {0,0xF48F35,1}},
radial_gradient={100,30,0, 100,30,100},
corners={ {"circle",30},},
},
--rainbow box
{x=10, y=710,w=100,h=60,
colour={ {0.0,0x454F8A,1},
{0.1,0xD9668F,1},
{0.2,0xFC433E,1},
{0.3,0xFA8A38,1},
{0.4,0xFFD21B,1},
{0.5,0xFFFF5F,1},
{0.6,0x80BD70,1},
{0.7,0x30724C,1},
{0.8,0x9CEDDE,1},
},
linear_gradient={0,0,200,100},
corners={ {"circle",30}, {"circle",30}, {"line",0}},
},
--SECOND COLUMN
--default colour and corner
{x=230, y=25,w=100,h=60, colour={ {0,0xFF0000,0.5} }},
{x=300, y=55,w=150,h=40, colour={ {0,0x0000FF,0.5} },
operator="over"},
{x=230, y=110,w=100,h=60, colour={ {0,0xFF0000,0.5} }},
{x=300, y=140,w=150,h=40, colour={ {0,0x0000FF,0.5} },
operator="source"},
{x=230, y=210,w=100,h=60, colour={ {0,0xFF0000,0.5} }},
{x=300, y=240,w=150,h=40, colour={ {0,0x0000FF,0.5} },
operator="clear"},
{x=230, y=310,w=100,h=60, colour={ {0,0xFF0000,0.5} }},
{x=300, y=340,w=150,h=40, colour={ {0,0x0000FF,0.5} },
operator="atop"},
{x=230, y=410,w=100,h=60, colour={ {0,0xFF0000,0.5} }},
{x=300, y=440,w=150,h=40, colour={ {0,0x0000FF,0.5} },
operator="dest_out"},
{x=230, y=510,w=100,h=60, colour={ {0,0xFF0000,0.5} }},
{x=300, y=540,w=150,h=40, colour={ {0,0x0000FF,0.5} },
operator="saturate"},
{x=230, y=610,w=100,h=60, colour={ {1,0xFF0000,1} }, },
{x=250, y=620,w=160,h=40, colour={ {0,0xFF0000,0.0} , {0.5,0x000000,1} , {1,0xFF0000,0.0} }, linear_gradient={0,0,160,0} },
{x=230, y=710,w=100,h=60, colour={ {0,0xFF0000,0.3} , {0.5,0xFF0000,1} , {1,0xFF0000,0.3} }, linear_gradient={0,0,200,0} },
{x=310, y=720,w=40,h=40, colour={ {0,0x000000,1.0} }, corners={ {"circle",20}}, },
--THIRD COLUMN
{x=460,y=25,w=100,h=60, colour= { {1,0xAAAAFF,1}},
corners={ {"circle",10} }, },
{x=465,y=30,w=190,h=40, corners={ {"circle",8} },
colour= { {0,0xFFFFFF,0.8}, {1,0xFFFFFF,0} },
linear_gradient = {0,0,0,40} },
{x=460,y=110,w=100,h=60, colour= { {1,0x585858,1}}, },
{x=470,y=120,w=180,h=40, colour= { {0,0x555555,1}, {1,0x464646,1}}, linear_gradient= {0,0,0,40},
corners={ {"circle",5}} },
{x=470,y=120,w=180,h=40, colour= { {0,0x313131,1}, },
corners={ {"circle",5}}, border=1 },
{x=471,y=121,w=178,h=38, colour= { {0,0x848484,1}, {1,0x525252,1}, }, linear_gradient= {0,0,0,38},
corners={ {"circle",5}}, border=1 },
{x=460,y=210,w=100,h=200, colour= { {0,0xFFFFFF,1}, {1,0x3D3D3D,1} }, radial_gradient= {100,0,50,100,0,200},
corners = { {"circle",100} },},
{x=470,y=220,w=180,h=180, colour= { {0,0xFFFFFF,1}, {1,0x3D3D3D,1} }, radial_gradient= {90,200,25,90,180,180},
corners = { {"circle",90} },},
{x=473,y=223,w=174,h=174, colour= { {0,0xFFFFFF,1}, {0.2,0x4FEFFF,1}, {1,0x206FD4,1} }, radial_gradient= {87,200,25,87,180,180},
corners = { {"circle",87} },},
{x=473,y=223,w=174,h=174, colour= { {0,0x000000,1}, {1,0x000000,0} }, radial_gradient= {87,87,87,87,87,83},
corners = { {"circle",87} },},
{x=503,y=227,w=114,h=114, colour= { {0,0xFFFFFF,0.75}, {1,0xFFFFFF,0} }, linear_gradient= {57,0,57,114},
corners = { {"circle",57} },scale_y=0.5},
{x=460, y=430, w=100, h=200,
colour={{0,0x858585,1}, {1,0x000000,1}}, linear_gradient= {0,0,0,200} },
{x=470, y=440, w=180, h=180,
colour={{0,0x858585,1}, {1,0x000000,1}}, linear_gradient= {180,180,10,10} ,
corners={ {"circle",90} }, },
{x=480, y=450, w=160, h=160,
colour={{0,0x858585,1}, {1,0x000000,1}}, linear_gradient= {20,20,160,160} ,
corners={ {"circle",80} }, },
--FORTH COLUMN
{x=680,y=25,w=100,h=60, colour= { {1,0xAAAAFF,1}},
corners={ {"line",0},{"circle",10}, {"circle",10}, {"line",0} }, },
{x=685,y=30,w=190*conky_parse("${time %S}")/60,h=40,
colour= { {0,0xFF0000,0.8}, {1,0xFF0000,0} },
linear_gradient = {0,0,0,40} },
{x=685,y=30,w=190,h=40, corners={ {"line",0},{"circle",8}, {"circle",8}, {"line",0} },
colour= { {0,0xFFFFFF,0.8}, {1,0xFFFFFF,0} },
linear_gradient = {0,0,0,40} },
{x=680,y=110,w=100,h=60, colour= { {1,0xAAAAFF,1}} },
{x=690,y=125,w=30,h=30, corners={ {"circle",15} },operator="clear" } ,
{x=720,y=125,w=30,h=30, corners={ {"circle",15} },operator="clear", draw_me=tonumber(conky_parse("${time %S}"))>10 } ,
{x=750,y=125,w=30,h=30, corners={ {"circle",15} },operator="clear", draw_me=tonumber(conky_parse("${time %S}"))>20 } ,
{x=780,y=125,w=30,h=30, corners={ {"circle",15} },operator="clear", draw_me=tonumber(conky_parse("${time %S}"))>30 } ,
{x=810,y=125,w=30,h=30, corners={ {"circle",15} },operator="clear", draw_me=tonumber(os.date("%S"))>40 } ,
{x=840,y=125,w=30,h=30, corners={ {"circle",15} },operator="clear", draw_me=tonumber(os.date("%S"))>50 } ,
{x=680,y=210,w=100,h=60, colour= { {1,0xAAAAFF,conky_parse("${time %S}")/60}} },
{x=680,y=310, w=100*conky_parse("${time %S}")/60, h=60*conky_parse("${time %S}")/60, colour = { {1,0xAAAAFF,1}} },
{x=680, y=410, w=100, h=60, colour = { {1,0xAAAAFF,1}} },
{x=680+190*conky_parse("${time %S}")/60, y=407, w=10, h=66, colour = { {1,0xFF00AA,1}} , border=6},
{x=680, y=510, w=100, h=200, colour = { {0.99,0xAAAAFF,1}, {1,0xAAAAFF,0} }, radial_gradient={0,200,0,0,200,200} },
{x=680, y=700, w=100, h=10, colour = { {1,0xFF00AA,1}} , corners={ {"circle",5}} ,
angle=-90*conky_parse("${time %S}")/60, rot_x=5, rot_y=5},
]]
}
---------------------------- PARAMETERS END HERE
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)
if tonumber(conky_parse("$updates"))<5 then return end
for i in pairs(boxes_settings) do
draw_box (cr,boxes_settings[i])
end
cairo_destroy(cr)
cairo_surface_destroy(cs)
end
function draw_box(cr,t)
if t.draw_me == true then t.draw_me = nil end
if t.draw_me ~= nil and conky_parse(tostring(t.draw_me)) ~= "1" then return end
local table_corners={"circle","curve","line"}
local t_operators={
clear = CAIRO_OPERATOR_CLEAR,
source = CAIRO_OPERATOR_SOURCE,
over = CAIRO_OPERATOR_OVER,
["in"] = CAIRO_OPERATOR_IN,
out = CAIRO_OPERATOR_OUT,
atop = CAIRO_OPERATOR_ATOP,
dest = CAIRO_OPERATOR_DEST,
dest_over = CAIRO_OPERATOR_DEST_OVER,
dest_in = CAIRO_OPERATOR_DEST_IN,
dest_out = CAIRO_OPERATOR_DEST_OUT,
dest_atop = CAIRO_OPERATOR_DEST_ATOP,
xor = CAIRO_OPERATOR_XOR,
add = CAIRO_OPERATOR_ADD,
saturate = CAIRO_OPERATOR_SATURATE,
}
function rgba_to_r_g_b_a(tc)
--tc={position,colour,alpha}
local colour = tc[2]
local alpha = tc[3]
return ((colour / 0x10000) % 0x100) / 255., ((colour / 0x100) % 0x100) / 255., (colour % 0x100) / 255., alpha
end
function table.copy(t)
local t2 = {}
for k,v in pairs(t) do
t2[k] = {v[1],v[2]}
end
return t2
end
function draw_corner(num,t)
local shape=t[1]
local radius=t[2]
local x,y = t[3],t[4]
if shape=="line" then
if num == 1 then cairo_line_to(cr,radius,0)
elseif num == 2 then cairo_line_to(cr,x,radius)
elseif num == 3 then cairo_line_to(cr,x-radius,y)
elseif num == 4 then cairo_line_to(cr,0,y-radius)
end
end
if shape=="circle" then
local PI = math.pi
if num == 1 then cairo_arc(cr,radius,radius,radius,-PI,-PI/2)
elseif num == 2 then cairo_arc(cr,x-radius,y+radius,radius,-PI/2,0)
elseif num == 3 then cairo_arc(cr,x-radius,y-radius,radius,0,PI/2)
elseif num == 4 then cairo_arc(cr,radius,y-radius,radius,PI/2,-PI)
end
end
if shape=="curve" then
if num == 1 then cairo_curve_to(cr,0,radius ,0,0 ,radius,0)
elseif num == 2 then cairo_curve_to(cr,x-radius,0, x,y, x,radius)
elseif num == 3 then cairo_curve_to(cr,x,y-radius, x,y, x-radius,y)
elseif num == 4 then cairo_curve_to(cr,radius,y, x,y, 0,y-radius)
end
end
end
--check values and set default values
if t.x == nil then t.x = 0 end
if t.y == nil then t.y = 0 end
if t.w == nil then t.w = conky_window.width end
if t.h == nil then t.h = conky_window.height end
if t.radius == nil then t.radius = 0 end
if t.border == nil then t.border = 0 end
if t.colour==nil then t.colour={{1,0xFFFFFF,0.5}} end
if t.linear_gradient ~= nil then
if #t.linear_gradient ~= 4 then
t.linear_gradient = {t.x,t.y,t.width,t.height}
end
end
if t.angle==nil then t.angle = 0 end
if t.skew_x == nil then t.skew_x=0 end
if t.skew_y == nil then t.skew_y=0 end
if t.scale_x==nil then t.scale_x=1 end
if t.scale_y==nil then t.scale_y=1 end
if t.rot_x == nil then t.rot_x=0 end
if t.rot_y == nil then t.rot_y=0 end
if t.operator == nil then t.operator = "over" end
if (t_operators[t.operator]) == nil then
print ("wrong operator :",t.operator)
t.operator = "over"
end
if t.radial_gradient ~= nil then
if #t.radial_gradient ~= 6 then
t.radial_gradient = {t.x,t.y,0, t.x,t.y, t.width}
end
end
for i=1, #t.colour do
if #t.colour[i]~=3 then
print ("error in color table")
t.colour[i]={1,0xFFFFFF,1}
end
end
if t.corners == nil then t.corners={ {"line",0} } end
local t_corners = {}
local t_corners = table.copy(t.corners)
--don't use t_corners=t.corners otherwise t.corners is altered
--complete the t_corners table if needed
for i=#t_corners+1,4 do
t_corners[i]=t_corners[#t_corners]
local flag=false
for j,v in pairs(table_corners) do flag=flag or (t_corners[i][1]==v) end
if not flag then print ("error in corners table :",t_corners[i][1]);t_corners[i][1]="curve" end
end
--this way :
-- t_corners[1][4]=x
-- t_corners[2][3]=y
--doesn't work
t_corners[1]={t_corners[1][1],t_corners[1][2],0,0}
t_corners[2]={t_corners[2][1],t_corners[2][2],t.w,0}
t_corners[3]={t_corners[3][1],t_corners[3][2],t.w,t.h}
t_corners[4]={t_corners[4][1],t_corners[4][2],0,t.h}
t.no_gradient = (t.linear_gradient == nil ) and (t.radial_gradient == nil )
cairo_save(cr)
cairo_translate(cr, t.x, t.y)
if t.rot_x~=0 or t.rot_y~=0 or t.angle~=0 then
cairo_translate(cr,t.rot_x,t.rot_y)
cairo_rotate(cr,t.angle*math.pi/180)
cairo_translate(cr,-t.rot_x,-t.rot_y)
end
if t.scale_x~=1 or t.scale_y~=1 or t.skew_x~=0 or t.skew_y~=0 then
local matrix0 = cairo_matrix_t:create()
tolua.takeownership(matrix0)
cairo_matrix_init (matrix0, t.scale_x,math.pi*t.skew_y/180 , math.pi*t.skew_x/180 ,t.scale_y,0,0)
cairo_transform(cr,matrix0)
end
local tc=t_corners
cairo_move_to(cr,tc[1][2],0)
cairo_line_to(cr,t.w-tc[2][2],0)
draw_corner(2,tc[2])
cairo_line_to(cr,t.w,t.h-tc[3][2])
draw_corner(3,tc[3])
cairo_line_to(cr,tc[4][2],t.h)
draw_corner(4,tc[4])
cairo_line_to(cr,0,tc[1][2])
draw_corner(1,tc[1])
if t.no_gradient then
cairo_set_source_rgba(cr,rgba_to_r_g_b_a(t.colour[1]))
else
if t.linear_gradient ~= nil then
pat = cairo_pattern_create_linear (t.linear_gradient[1],t.linear_gradient[2],t.linear_gradient[3],t.linear_gradient[4])
elseif t.radial_gradient ~= nil then
pat = cairo_pattern_create_radial (t.radial_gradient[1],t.radial_gradient[2],t.radial_gradient[3],
t.radial_gradient[4],t.radial_gradient[5],t.radial_gradient[6])
end
for i=1, #t.colour do
cairo_pattern_add_color_stop_rgba (pat, t.colour[i][1], rgba_to_r_g_b_a(t.colour[i]))
end
cairo_set_source (cr, pat)
cairo_pattern_destroy(pat)
end
cairo_set_operator(cr,t_operators[t.operator])
if t.border>0 then
cairo_close_path(cr)
if t.dash ~= nil then cairo_set_dash(cr, t.dash, 1, 0.0) end
cairo_set_line_width(cr,t.border)
cairo_stroke(cr)
else
cairo_fill(cr)
end
cairo_restore(cr)
end
concordo com a frase no wallpaper 
por Luis Cardoso » Sex, 16 de Março 2012, 11:09 
para este Ubuntu BrownWood. 
