Added a lua-drawn box with 0.8 opacity, so I can see no matter the background I have on
This commit is contained in:
Tom Willemsen
parent
ff9ba35e80
commit
5cc3b28f58
3 changed files with 314 additions and 0 deletions
311
conky/box.lua
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311
conky/box.lua
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--[[BOX WIDGET v1.1 by Wlourf 27/01/2011
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This widget can drawn some boxes, even circles in your conky window
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http://u-scripts.blogspot.com/2011/01/box-widget.html)
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Inspired by Background by londonali1010 (2009), thanks ;-)
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The parameters (all optionals) are :
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x - x coordinate of top-left corner of the box, default = 0 = (top-left corner of conky window)
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y - y coordinate of top-left corner of the box, default = 0 = (top-left corner of conky window)
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w - width of the box, default = width of the conky window
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h - height of the box, default = height of the conky window
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corners - corners is a table for the four corners in this order : top-left, top-right,bottom-right, bottom-left
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each corner is defined in a table with a shape and a radius, available shapes are : "curve","circle","line"
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example for the same shapes for all corners:
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{ {"circle",10} }
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example for first corner different from the three others
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{ {"circle",10}, {"circle",5} }
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example for top corners differents from bottom corners
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{ {"circle",10}, {"circle",10}, {"line",0} }
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default = { {"line",0} } i.e=no corner
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operator - set the compositing operator (needs in the conkyrc : own_window_argb_visual yes)
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see http://cairographics.org/operators/
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available operators are :
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"clear","source","over","in","out","atop","dest","dest_over","dest_in","dest_out","dest_atop","xor","add","saturate"
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default = "over"
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border - if border>0, the script draws only the border, like a frame, default=0
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dash - if border>0 and dash>0, the border is draw with dashes, default=0
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skew_x - skew box around x axis, default = 0
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skew_y - skew box around y axis, default = 0
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scale_x - rescale the x axis, default=1, useful for drawing elipses ...
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scale_y - rescale the x axis, default=1
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angle - angle of rotation of the box in degrees, default = 0
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i.e. a horizontal graph
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rot_x - x point of rotation's axis, default = 0,
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relative to top-left corner of the box, (not the conky window)
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rot_y - y point of rotation's axis, default = 0
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relative to top-left corner of the box, (not the conky window)
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draw_me - if set to false, box is not drawn (default = true or 1)
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it can be used with a conky string, if the string returns 1, the box is drawn :
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example : "${if_empty ${wireless_essid wlan0}}${else}1$endif",
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linear_gradient - table with the coordinates of two points to define a linear gradient,
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points are relative to top-left corner of the box, (not the conky window)
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{x1,y1,x2,y2}
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radial_gradient - table with the coordinates of two circle to define a radial gradient,
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points are relative to top-left corner of the box, (not the conky window)
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{x1,y1,r1,x2,y2,r2} (r=radius)
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colour - table of colours, default = plain white {{1,0xFFFFFF,0.5}}
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this table contains one or more tables with format {P,C,A}
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P=position of gradient (0 = start of the gradient, 1= end of the gradient)
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C=hexadecimal colour
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A=alpha (opacity) of color (0=invisible,1=opacity 100%)
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Examples :
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for a plain color {{1,0x00FF00,0.5}}
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for a gradient with two colours {{0,0x00FF00,0.5},{1,0x000033,1}} {x=80,y=150,w=20,h=20,
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radial_gradient={20,20,0,20,20,20},
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colour={{0.5,0xFFFFFF,1},{1,0x000000,0}},
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or {{0.5,0x00FF00,1},{1,0x000033,1}} -with this one, gradient will start in the middle
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for a gradient with three colours {{0,0x00FF00,0.5},{0.5,0x000033,1},{1,0x440033,1}}
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and so on ...
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To call this script in Conky, use (assuming you have saved this script to ~/scripts/):
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lua_load ~/scripts/box.lua
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lua_draw_hook_pre main_box
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And leave one line blank or not after TEXT
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Changelog:
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+ v1.0 -- Original release (19.12.2010)
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+ v1.1 -- Adding parameters: operator, dash, angle, skew_x, skew_y, draw_me
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corners are described in a table
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation version 3 (GPLv3)
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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-- MA 02110-1301, USA.
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]]
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require 'cairo'
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function conky_main_box()
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if conky_window==nil then return end
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---------------------- PARAMETERS BEGIN HERE
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local boxes_settings={
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{
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x = conky_window.text_start_x - 10,
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y = conky_window.text_start_y - 10,
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w = conky_window.text_width + 20,
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h = conky_window.text_height + 20,
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colour = {{1,0x000000,0.8}},
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},
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}
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---------------------------- PARAMETERS END HERE
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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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if tonumber(conky_parse("$updates"))<5 then return end
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for i in pairs(boxes_settings) do
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draw_box (cr,boxes_settings[i])
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end
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cairo_destroy(cr)
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cairo_surface_destroy(cs)
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end
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function draw_box(cr,t)
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if t.draw_me == true then t.draw_me = nil end
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if t.draw_me ~= nil and conky_parse(tostring(t.draw_me)) ~= "1" then return end
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local table_corners={"circle","curve","line"}
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local t_operators={
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clear = CAIRO_OPERATOR_CLEAR,
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source = CAIRO_OPERATOR_SOURCE,
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over = CAIRO_OPERATOR_OVER,
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["in"] = CAIRO_OPERATOR_IN,
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out = CAIRO_OPERATOR_OUT,
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atop = CAIRO_OPERATOR_ATOP,
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dest = CAIRO_OPERATOR_DEST,
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dest_over = CAIRO_OPERATOR_DEST_OVER,
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dest_in = CAIRO_OPERATOR_DEST_IN,
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dest_out = CAIRO_OPERATOR_DEST_OUT,
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dest_atop = CAIRO_OPERATOR_DEST_ATOP,
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xor = CAIRO_OPERATOR_XOR,
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add = CAIRO_OPERATOR_ADD,
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saturate = CAIRO_OPERATOR_SATURATE,
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}
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function rgba_to_r_g_b_a(tc)
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--tc={position,colour,alpha}
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local colour = tc[2]
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local alpha = tc[3]
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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 table.copy(t)
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local t2 = {}
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for k,v in pairs(t) do
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t2[k] = {v[1],v[2]}
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end
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return t2
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end
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function draw_corner(num,t)
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local shape=t[1]
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local radius=t[2]
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local x,y = t[3],t[4]
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if shape=="line" then
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if num == 1 then cairo_line_to(cr,radius,0)
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elseif num == 2 then cairo_line_to(cr,x,radius)
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elseif num == 3 then cairo_line_to(cr,x-radius,y)
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elseif num == 4 then cairo_line_to(cr,0,y-radius)
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end
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end
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if shape=="circle" then
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local PI = math.pi
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if num == 1 then cairo_arc(cr,radius,radius,radius,-PI,-PI/2)
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elseif num == 2 then cairo_arc(cr,x-radius,y+radius,radius,-PI/2,0)
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elseif num == 3 then cairo_arc(cr,x-radius,y-radius,radius,0,PI/2)
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elseif num == 4 then cairo_arc(cr,radius,y-radius,radius,PI/2,-PI)
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end
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end
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if shape=="curve" then
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if num == 1 then cairo_curve_to(cr,0,radius ,0,0 ,radius,0)
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elseif num == 2 then cairo_curve_to(cr,x-radius,0, x,y, x,radius)
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elseif num == 3 then cairo_curve_to(cr,x,y-radius, x,y, x-radius,y)
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elseif num == 4 then cairo_curve_to(cr,radius,y, x,y, 0,y-radius)
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end
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end
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end
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--check values and set default values
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if t.x == nil then t.x = 0 end
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if t.y == nil then t.y = 0 end
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if t.w == nil then t.w = conky_window.width end
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if t.h == nil then t.h = conky_window.height end
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if t.radius == nil then t.radius = 0 end
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if t.border == nil then t.border = 0 end
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if t.colour==nil then t.colour={{1,0xFFFFFF,0.5}} end
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if t.linear_gradient ~= nil then
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if #t.linear_gradient ~= 4 then
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t.linear_gradient = {t.x,t.y,t.width,t.height}
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end
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end
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if t.angle==nil then t.angle = 0 end
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if t.skew_x == nil then t.skew_x=0 end
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if t.skew_y == nil then t.skew_y=0 end
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if t.scale_x==nil then t.scale_x=1 end
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if t.scale_y==nil then t.scale_y=1 end
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if t.rot_x == nil then t.rot_x=0 end
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if t.rot_y == nil then t.rot_y=0 end
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if t.operator == nil then t.operator = "over" end
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if (t_operators[t.operator]) == nil then
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print ("wrong operator :",t.operator)
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t.operator = "over"
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end
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if t.radial_gradient ~= nil then
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if #t.radial_gradient ~= 6 then
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t.radial_gradient = {t.x,t.y,0, t.x,t.y, t.width}
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end
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end
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for i=1, #t.colour do
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if #t.colour[i]~=3 then
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print ("error in color table")
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t.colour[i]={1,0xFFFFFF,1}
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end
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end
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if t.corners == nil then t.corners={ {"line",0} } end
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local t_corners = {}
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local t_corners = table.copy(t.corners)
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--don't use t_corners=t.corners otherwise t.corners is altered
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--complete the t_corners table if needed
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for i=#t_corners+1,4 do
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t_corners[i]=t_corners[#t_corners]
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local flag=false
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for j,v in pairs(table_corners) do flag=flag or (t_corners[i][1]==v) end
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if not flag then print ("error in corners table :",t_corners[i][1]);t_corners[i][1]="curve" end
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end
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--this way :
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-- t_corners[1][4]=x
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-- t_corners[2][3]=y
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--doesn't work
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t_corners[1]={t_corners[1][1],t_corners[1][2],0,0}
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t_corners[2]={t_corners[2][1],t_corners[2][2],t.w,0}
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t_corners[3]={t_corners[3][1],t_corners[3][2],t.w,t.h}
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t_corners[4]={t_corners[4][1],t_corners[4][2],0,t.h}
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t.no_gradient = (t.linear_gradient == nil ) and (t.radial_gradient == nil )
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cairo_save(cr)
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cairo_translate(cr, t.x, t.y)
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if t.rot_x~=0 or t.rot_y~=0 or t.angle~=0 then
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cairo_translate(cr,t.rot_x,t.rot_y)
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cairo_rotate(cr,t.angle*math.pi/180)
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cairo_translate(cr,-t.rot_x,-t.rot_y)
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end
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if t.scale_x~=1 or t.scale_y~=1 or t.skew_x~=0 or t.skew_y~=0 then
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local matrix0 = cairo_matrix_t:create()
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tolua.takeownership(matrix0)
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cairo_matrix_init (matrix0, t.scale_x,math.pi*t.skew_y/180 , math.pi*t.skew_x/180 ,t.scale_y,0,0)
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cairo_transform(cr,matrix0)
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end
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local tc=t_corners
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cairo_move_to(cr,tc[1][2],0)
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cairo_line_to(cr,t.w-tc[2][2],0)
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draw_corner(2,tc[2])
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cairo_line_to(cr,t.w,t.h-tc[3][2])
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draw_corner(3,tc[3])
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cairo_line_to(cr,tc[4][2],t.h)
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draw_corner(4,tc[4])
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cairo_line_to(cr,0,tc[1][2])
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draw_corner(1,tc[1])
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if t.no_gradient then
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cairo_set_source_rgba(cr,rgba_to_r_g_b_a(t.colour[1]))
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else
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if t.linear_gradient ~= nil then
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pat = cairo_pattern_create_linear (t.linear_gradient[1],t.linear_gradient[2],t.linear_gradient[3],t.linear_gradient[4])
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elseif t.radial_gradient ~= nil then
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pat = cairo_pattern_create_radial (t.radial_gradient[1],t.radial_gradient[2],t.radial_gradient[3],
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t.radial_gradient[4],t.radial_gradient[5],t.radial_gradient[6])
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end
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for i=1, #t.colour do
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cairo_pattern_add_color_stop_rgba (pat, t.colour[i][1], rgba_to_r_g_b_a(t.colour[i]))
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end
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cairo_set_source (cr, pat)
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cairo_pattern_destroy(pat)
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end
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cairo_set_operator(cr,t_operators[t.operator])
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if t.border>0 then
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cairo_close_path(cr)
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if t.dash ~= nil then cairo_set_dash(cr, t.dash, 1, 0.0) end
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cairo_set_line_width(cr,t.border)
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cairo_stroke(cr)
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else
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cairo_fill(cr)
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end
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cairo_restore(cr)
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end
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2
conkyrc
2
conkyrc
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@ -1,3 +1,4 @@
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lua_load ~/.conky/box.lua
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background yes
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background yes
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use_xft yes
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use_xft yes
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xftfont terminus:123:size=8
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xftfont terminus:123:size=8
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@ -27,6 +28,7 @@ cpu_avg_samples 2
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net_avg_samples 1
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net_avg_samples 1
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override_utf8_locale no
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override_utf8_locale no
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use_spacer yes
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use_spacer yes
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lua_draw_hook_pre main_box
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TEXT
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TEXT
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${font Arial:size=20}${color Tan1}${alignc}GNU${color RoyalBlue}LINUX$font
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${font Arial:size=20}${color Tan1}${alignc}GNU${color RoyalBlue}LINUX$font
|
||||||
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|
||||||
|
|
@ -17,6 +17,7 @@ function linkmy
|
||||||
linkmy config/awesome .config/awesome
|
linkmy config/awesome .config/awesome
|
||||||
# CONKY
|
# CONKY
|
||||||
linkmy conkyrc .conkyrc
|
linkmy conkyrc .conkyrc
|
||||||
|
linkmy conky .conky
|
||||||
# EMACS
|
# EMACS
|
||||||
linkmy emacs .emacs
|
linkmy emacs .emacs
|
||||||
linkmy emacs.d .emacs.d
|
linkmy emacs.d .emacs.d
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue