74 lines
2.0 KiB
Lua
74 lines
2.0 KiB
Lua
local setmetatable = setmetatable
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local base = require( "radical.base" )
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local color = require( "gears.color" )
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local cairo = require( "lgi" ).cairo
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local beautiful = require( "beautiful" )
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local print = print
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local module = {
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margins = {
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TOP = 2,
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BOTTOM = 2,
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RIGHT = 0,
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LEFT = 4
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}
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}
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local focussed,default,alt = nil, nil,{}
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local function gen(item_height,bg_color,border_color)
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local img = cairo.ImageSurface(cairo.Format.ARGB32, 800,item_height)
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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(border_color) )
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cr:rectangle(0,item_height-1,800,1)
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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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local function widget_draw(self, w, cr, width, height)
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self:_draw2(w, cr, width, height)
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local overlay = self._item and self._item.overlay
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if overlay then
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overlay(self._item._menu,self._item,cr,width,height)
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end
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end
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local function draw(data,item,args)
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local args,flags = args or {},{}
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local col = args.color
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for _,v in pairs(args) do flags[v] = true end
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if not item.widget._overlay_init then
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item.widget._draw2 = item.widget.draw
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item.widget.draw = widget_draw
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item.widget._overlay_init = true
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end
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local ih = data.item_height
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if not focussed or not focussed[ih] then
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if not focussed then
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focussed,default,alt={},{},{}
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end
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local bc = data.border_color
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focussed[ih] = gen(ih,data.bg_focus,bc)
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default [ih] = gen(ih,data.bg,bc)
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end
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if col and (not alt[col] or not alt[col][ih]) then
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alt[col] = alt[col] or {}
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alt[col][ih] = gen(ih,color(col),bc)
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end
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if flags[base.item_flags.SELECTED] or (item._tmp_menu) then
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item.widget:set_bg(focussed[ih])
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elseif col then
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item.widget:set_bg(alt[col][ih])
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else
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item.widget:set_bg(default[ih])
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end
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end
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return setmetatable(module, { __call = function(_, ...) return draw(...) end })
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-- kate: space-indent on; indent-width 2; replace-tabs on;
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