Merge some radial menu work from 2011 and 2012
This commit is contained in:
Emmanuel Lepage Vallee
parent
63bb804a45
commit
95c37a93b9
275
radial.lua
275
radial.lua
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@ -1,17 +1,270 @@
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local base = require( "radical.base" )
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local print = print
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local unpack = unpack
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local setmetatable = setmetatable
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local color = require( "gears.color" )
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local wibox = require( "wibox" )
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local beautiful = require( "beautiful" )
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local cairo = require( "lgi" ).cairo
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local awful = require( "awful" )
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local util = require( "awful.util" )
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local button = require( "awful.button" )
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local ipairs,pairs = ipairs,pairs
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local table,print = table,print
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local math,string = math,string
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local unpack,type = unpack,type
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local base = require( "radical.base" )
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local awful = require( "awful" )
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local util = require( "awful.util" )
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local button = require( "awful.button" )
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local checkbox = require( "radical.widgets.checkbox" )
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local beautiful = require( "beautiful" )
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local naughty = require( "naughty" )
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local wibox = require( "wibox" )
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local tag = require( "awful.tag" )
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local color = require( "gears.color" )
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local cairo = require( "lgi" ).cairo
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local default = {width=90,height=30,radius=40,base_radius=60}
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local capi = { mouse = mouse, mousegrabber = mousegrabber }
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local module={}
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function module.radial_client_select(args)
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--Settings
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local args = args or {}
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local data = {width=400,height=400,layers={},compose={}}
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local screen = args.screen or mouse.screen
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local height = args.height or default.height
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local width = args.widget or default.width
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local function position_indicator_layer()
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if not data.indicator or data.angle_cache ~= data.angle then
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local angle,tan = data.angle or 0,data.tan or 0
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if not data.indicator then
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data.indicator = {}
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data.indicator.img = cairo.ImageSurface(cairo.Format.ARGB32, data.width, data.height)
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data.indicator.cr = cairo.Context(data.indicator.img)
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else
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data.indicator.cr:set_operator(cairo.Operator.CLEAR)
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data.indicator.cr:paint()
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data.indicator.cr:set_operator(cairo.Operator.SOURCE)
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end
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data.indicator.cr:set_source_rgb(1,0,0)
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data.indicator.cr:arc ( data.width/2 + (default.base_radius-20)*math.cos(angle),data.width/2 + (default.base_radius-20)*math.sin(angle),5,0,2*math.pi )
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data.indicator.cr:close_path()
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data.indicator.cr:fill()
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data.indicator.cr:set_line_width(4)
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data.indicator.cr:arc( data.width/2,data.height/2,default.radius + default.base_radius ,angle-0.15,angle+0.15 )
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data.indicator.cr:stroke()
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data.indicator.cr:arc ( data.width/2+170,data.height/2,10,0,2*math.pi )
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data.indicator.cr:close_path()
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data.indicator.cr:fill()
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data.angle_cache = data.angle
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end
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return data.indicator.img
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end
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local function create_inner_circle()
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if not data.inner then
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data.inner = {}
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data.inner.img = cairo.ImageSurface(cairo.Format.ARGB32, data.width, data.height)
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data.inner.cr = cairo.Context(data.inner.img)
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data.inner.cr:set_line_width(3)
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data.inner.cr:set_source_rgb(0.9,0.9,0.9)
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data.inner.cr:arc ( data.width/2,data.height/2,default.base_radius,0,2*math.pi )
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data.inner.cr:close_path()
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data.inner.cr:stroke()
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data.inner.cr:arc ( data.width/2,data.height/2,default.base_radius-20,0,2*math.pi )
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data.inner.cr:close_path()
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data.inner.cr:set_dash({10,4},1)
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data.inner.cr:stroke()
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end
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return data.inner.img
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end
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local function clear_center(layer)
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local dat_layer = data.layers[layer]
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local rad = default.base_radius+(layer-1)*default.radius
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dat_layer.cr:set_operator(cairo.Operator.CLEAR)
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dat_layer.cr:set_source_rgba ( 0 , 0 , 0,1 )
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dat_layer.cr:move_to ( data.width/2, data.height/2 )
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dat_layer.cr:arc (data.width/2,data.height/2,rad,0,2*math.pi )
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dat_layer.cr:fill ( )
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end
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local function gen_arc(layer)
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data.layers[layer].position = (data.layers[layer].position or 0) + 1
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local position = data.layers[layer].position
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local dat_layer = data.layers[layer]
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local outer_radius = layer*default.radius + default.base_radius
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local inner_radius = outer_radius - default.radius
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local start_angle = ((2*math.pi)/(4*layer))*(position-1)
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local end_angle = ((2*math.pi)/(4*layer))*(position)
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dat_layer.cr:set_operator(cairo.Operator.SOURCE)
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if data.layers[layer].selected == position then
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dat_layer.cr:set_source ( color(beautiful.fg_focus) )
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else
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dat_layer.cr:set_source_rgb((5+(21-5)/(4*layer)*position)/256,(10+(119-10)/(4*layer)*position)/256,(27+(209-27)/(4*layer)*position)/256)
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end
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dat_layer.cr:move_to ( data.width/2, data.height/2 )
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dat_layer.cr:arc ( data.width/2,data.height/2,outer_radius,start_angle,end_angle )
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dat_layer.cr:fill_preserve ( )
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dat_layer.cr:set_source_rgb(90/256,51/256,83/256)
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dat_layer.cr:close_path()
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dat_layer.cr:stroke()
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clear_center(layer)
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end
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local function repaint_layer(idx,content)
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local lay = data.layers[idx]
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if not lay then
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data.layers[idx] = {}
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lay = data.layers[idx]
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lay.img = cairo.ImageSurface(cairo.Format.ARGB32, data.width, data.height)
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lay.cr = cairo.Context(lay.img)
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lay.cr:set_line_width(3)
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end
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local real_rad = data.angle or 0
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if real_rad >= 0 then
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real_rad = math.pi*2 - real_rad
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else
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real_rad = -real_rad
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end
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local new_selected = (idx*4 or 1) - math.floor(((real_rad*(idx*4 or 1))/2*math.pi)/10)
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if content or (lay.content and new_selected ~= lay.selected) then
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lay.content = content or lay.content
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lay.cr:set_operator(cairo.Operator.CLEAR)
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lay.cr:paint()
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lay.position = 0
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lay.selected = new_selected
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for k,v in ipairs(lay.content) do
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gen_arc(idx,v)
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end
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lay.count = #lay.content
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end
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return lay.img
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end
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local function draw_text(cr,text, start_angle, end_angle, layer)
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local text = "1234567890123456789012345678901234567890123456789012345678901234567890"
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local img2 = cairo.ImageSurface(cairo.Format.ARGB32, 20, 20)
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local cr2 = cairo.Context(img2)
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local level =0
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local step = (2*math.pi)/(((math.pi*2*(default.base_radius + default.radius*layer - 3 - level*12))/4)*0.65) --relation between arc and char width
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local testAngle = start_angle + 0.05
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cr2:select_font_face("monospace")
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for i=1,text:len() do
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cr2:set_operator(cairo.Operator.CLEAR)
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cr2:paint()
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cr2:set_operator(cairo.Operator.SOURCE)
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cr2:set_source_rgb(1,1,1)
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cr2:move_to(0,10)
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cr2:text_path(text:sub(i,i))
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cr2:fill()
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local matrix12 = cairo.Matrix()
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cairo.Matrix.init_rotate(matrix12, -testAngle )
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matrix12:translate(-data.width/2+(default.base_radius + default.radius*layer - 3 - level*12)*(math.sin( - testAngle)),-data.height/2+(default.base_radius + default.radius*layer - 3 - level*12)*(math.cos( -testAngle)))
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local pattern = cairo.Pattern.create_for_surface(img2,20,20)
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pattern:set_matrix(matrix12)
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cr:set_source(pattern)
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cr:paint()
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testAngle=testAngle+step
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if testAngle+step > end_angle - 0.05 then
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testAngle = start_angle+0.05
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level = level +1
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if level > 2 then
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break
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end
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end
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end
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end
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local function compose()
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if not data.compose.img then
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data.compose.img = cairo.ImageSurface(cairo.Format.ARGB32, data.width, data.height)
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data.compose.cr = cairo.Context(data.compose.img)
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else
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data.compose.cr:set_operator(cairo.Operator.CLEAR)
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data.compose.cr:paint()
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data.compose.cr:set_operator(cairo.Operator.OVER)
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end
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local cr = data.compose.cr
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for i=#data.layers,1,-1 do
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cr:set_source_surface(repaint_layer(i),0,0)
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cr:paint()
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end
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cr:set_source_surface(create_inner_circle(),0,0)
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cr:paint()
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cr:set_source_surface(position_indicator_layer(),0,0)
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cr:paint()
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draw_text(cr,"",math.pi,3*(math.pi/2),1)
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end
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function data:set_layer(idx,content)
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if not data.w then
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data.w =wibox({})
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data.w.ontop = true
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data.w.visible = true
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data.w.width = data.width-- width
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data.w.height = data.height
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data.w.x = capi.mouse.coords().x - data.width/2
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data.w.y = capi.mouse.coords().y - data.height/2
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data.ib = data.ib or wibox.widget.imagebox()
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data.w:set_widget(data.ib)
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end
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repaint_layer(idx,content)
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end
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data:set_layer(1,{
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{name="test",icon="",func = function(menu,...) end },
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{name="test",icon="",func = function(menu,...) end },
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{name="test",icon="",func = function(menu,...) end },
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{name="test",icon="",func = function(menu,...) end },
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})
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data:set_layer(2,{
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{name="test",icon="",func = function(menu,...) end },
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{name="test",icon="",func = function(menu,...) end },
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{name="test",icon="",func = function(menu,...) end },
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{name="test",icon="",func = function(menu,...) end },
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{name="test",icon="",func = function(menu,...) end },
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{name="test",icon="",func = function(menu,...) end },
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})
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local focal = nil
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capi.mousegrabber.run(function(mouse)
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if not focal then
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focal = {x= mouse.x,y=mouse.y}
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end
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if mouse.buttons[3] == true then
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capi.mousegrabber.stop()
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focal = nil
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return false
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end
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local angle = math.atan2((mouse.y-focal.y),(mouse.x-focal.x))
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data.tan = (mouse.y-focal.y)/(mouse.x-focal.x)
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data.angle = angle
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compose()
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data.ib:set_image(data.compose.img)
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data.w.shape_bounding = data.compose.img._native
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return true
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end,"fleur")
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return data
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end
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local capi,module = { mouse = mouse , screen = screen, keygrabber = keygrabber },{}
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local function get_direction(data)
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return "left" -- Nothing to do
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