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radical
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Add multi underlay support

This commit is contained in:
Emmanuel Lepage Vallee 2014-01-17 00:34:45 -05:00
parent 5b635e96e5
commit 9a03c837c0
1 changed files with 38 additions and 13 deletions
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51
widgets/underlay.lua
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@ -1,4 +1,5 @@
local type = type
local ipairs = ipairs
local color = require("gears.color")
local gsurface = require("gears.surface")
local cairo = require("lgi").cairo
@ -10,10 +11,29 @@ local module = {}
local pango_l,pango_crx = {},{}
local function draw_item(cr,x,y,width,height,padding,args)
cr:save()
cr:rectangle(x,y,width+padding,height+padding)
cr:clip()
cr:set_source(color(args.bg or beautiful.bg_alternate))
cr:arc(x + (height-padding)/2 + 2, y + (height-padding)/2 + padding/4 + (args.margins or 0), (height-padding)/2+(args.padding or 0)/2,0,2*math.pi)
cr:fill()
cr:arc(x + width - (height-padding)/2 - 2, y + (height-padding)/2 + padding/4 + (args.margins or 0), (height-padding)/2+(args.padding or 0)/2,0,2*math.pi)
cr:rectangle(x + (height-padding)/2+2, y + padding/4 + (args.margins or 0)-(args.padding or 0)/2,width - (height),(height-padding)+(args.padding or 0))
cr:fill()
cr:set_source(color(args.fg or beautiful.bg_normal))
cr:set_operator(cairo.Operator.CLEAR)
cr:move_to(x+height/2 + 2,y+padding/4 + (args.margins or 0)-(args.padding or 0)/2)
cr:show_layout(pango_l[height])
cr:restore()
end
function module.draw(text,args)
local args = args or {}
local padding = beautiful.default_height/3
local height = args.height or (beautiful.menu_height)
-- Get text height
if not pango_l[height] then
local pango_crx = pangocairo.font_map_get_default():create_context()
pango_l[height] = pango.Layout.new(pango_crx)
@ -23,20 +43,25 @@ function module.draw(text,args)
desc:set_size((height-padding*2) * pango.SCALE)
pango_l[height]:set_font_description(desc)
end
pango_l[height].text = text
local width = pango_l[height]:get_pixel_extents().width + height + padding
local img = cairo.ImageSurface.create(cairo.Format.ARGB32, width+(args.padding_right or 0), height+padding)
-- Compute full width
local ret,full_width = {},0
for k,v in ipairs(type(text) == "table" and text or {text}) do
pango_l[height].text = v
ret[k] = pango_l[height]:get_pixel_extents().width + height + padding
full_width = full_width + ret[k]
end
local img = cairo.ImageSurface.create(cairo.Format.ARGB32, full_width+(args.padding_right or 0), height+padding)
cr = cairo.Context(img)
cr:set_source(color(args.bg or beautiful.bg_alternate))
cr:arc((height-padding)/2 + 2, (height-padding)/2 + padding/4 + (args.margins or 0), (height-padding)/2+(args.padding or 0)/2,0,2*math.pi)
cr:fill()
cr:arc(width - (height-padding)/2 - 2, (height-padding)/2 + padding/4 + (args.margins or 0), (height-padding)/2+(args.padding or 0)/2,0,2*math.pi)
cr:rectangle((height-padding)/2+2,padding/4 + (args.margins or 0)-(args.padding or 0)/2,width - (height),(height-padding)+(args.padding or 0))
cr:fill()
cr:set_source(color(args.fg or beautiful.bg_normal))
cr:set_operator(cairo.Operator.CLEAR)
cr:move_to(height/2 + 2,padding/4 + (args.margins or 0)-(args.padding or 0)/2)
cr:show_layout(pango_l[height])
-- Draw every item
local x = 0
for k,v in ipairs(type(text) == "table" and text or {text}) do
pango_l[height].text = v
draw_item(cr,x,0,ret[k],height,padding,args)
x = x + ret[k]
end
return img
end