diff options
author | 2011-03-17 11:18:05 +0100 | |
---|---|---|
committer | 2011-03-17 11:18:32 +0100 | |
commit | a502df33cea9806665f550d93999d89585269e93 (patch) | |
tree | 75908608549430afd9702b8b7c4936b7ca7b97af /conky | |
parent | 0ba61fc0e557fe1f90aa317333545ef9198c641b (diff) | |
download | dotfiles-a502df33cea9806665f550d93999d89585269e93.tar.gz dotfiles-a502df33cea9806665f550d93999d89585269e93.zip |
Somehow, cairo FINALLY works with conky now
Diffstat (limited to 'conky')
-rw-r--r-- | conky/box.lua | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/conky/box.lua b/conky/box.lua deleted file mode 100644 index 0ece9cc..0000000 --- a/conky/box.lua +++ /dev/null @@ -1,311 +0,0 @@ ---[[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/box-widget.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=20,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={ - { - x = conky_window.text_start_x - 10, - y = conky_window.text_start_y - 10, - w = conky_window.text_width + 20, - h = conky_window.text_height + 20, - colour = {{1,0x000000,0.8}}, - }, - } - - - ---------------------------- 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 - |