107 lines
2.9 KiB
Lua
107 lines
2.9 KiB
Lua
local capi = {screen = screen}
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local math = math
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local color = require( "gears.color" )
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local beautiful = require( "beautiful" )
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local glib = require("lgi").GLib
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local cairo = require( "lgi" ).cairo
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local module = {settings={}}
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local rr,rg,rb
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function module.get_rgb()
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if not rr then
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local pat = color(beautiful.fg_normal)
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local s,r,g,b,a = pat:get_rgba()
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rr,rg,rb = r,g,b
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end
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return rr,rg,rb
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end
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function module.arrow_path(cr, width, sidesize)
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cr:rel_move_to( 0 , -width/2 )
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cr:rel_line_to( width/2 , width/2 )
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cr:rel_line_to( -sidesize , 0 )
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cr:rel_line_to( 0 , width/2 )
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cr:rel_line_to( (-width)+2*sidesize , 0 )
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cr:rel_line_to( 0 , -width/2 )
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cr:rel_line_to( -sidesize , 0 )
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cr:rel_line_to( width/2 , -width/2 )
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cr:close_path()
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end
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function module.arrow(width, sidesize, margin, bg_color, fg_color)
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local img = cairo.ImageSurface(cairo.Format.ARGB32, width+2*margin, width+2*margin)
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local cr = cairo.Context(img)
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cr:set_source(color(bg_color))
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cr:paint()
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cr:set_source(color(fg_color))
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cr:set_antialias(cairo.Antialias.NONE)
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cr:move_to(margin+width/2, margin+width/2)
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module.arrow_path(cr, width, sidesize)
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cr:fill()
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return cairo.Pattern.create_for_surface(img)
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end
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function module.draw_round_rect(cr,x,y,w,h,radius)
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cr:save()
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cr:translate(x,y)
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cr:move_to(0,radius)
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cr:arc(radius,radius,radius,math.pi,3*(math.pi/2))
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cr:arc(w-radius,radius,radius,3*(math.pi/2),math.pi*2)
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cr:arc(w-radius,h-radius,radius,math.pi*2,math.pi/2)
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cr:arc(radius,h-radius,radius,math.pi/2,math.pi)
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cr:close_path()
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cr:restore()
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end
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local function refresh_dt(last_sec,last_usec,callback,delay)
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local tv = glib.TimeVal()
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glib.get_current_time(tv)
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local dt = (tv.tv_sec*1000000+tv.tv_usec)-(last_sec*1000000+last_usec)
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if dt < delay then
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callback()
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end
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return tv.tv_sec,tv.tv_usec
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end
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function module.double_click(callback,delay)
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delay = delay or 250000
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local ds,du = 0,0
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return function()
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ds,du = refresh_dt(ds,du,callback,delay)
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end
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end
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-- Screen order is not always geometrical, sort them
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local screens,screens_inv
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function module.get_ordered_screens()
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if screens then return screens,screens_inv end
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screens = {}
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for i=1,capi.screen.count() do
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local geom = capi.screen[i].geometry
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if #screens == 0 then
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screens[1] = i
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elseif geom.x < capi.screen[screens[1]].geometry.x then
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table.insert(screens,1,i)
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else
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for j=#screens,1,-1 do
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if geom.x > capi.screen[screens[j]].geometry.x then
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table.insert(screens,j+1,i)
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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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screens_inv = {}
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for k,v in ipairs(screens) do
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screens_inv[v] = k
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end
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return screens,screens_inv
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end
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return module
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-- kate: space-indent on; indent-width 2; replace-tabs on; |