106 lines
2.8 KiB
Lua
106 lines
2.8 KiB
Lua
local setmetatable = setmetatable
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local math = math
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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 print = print
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local module = {
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margins = {
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TOP = 2,
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BOTTOM = 6,
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RIGHT = 4,
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LEFT = 4
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}
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}
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local state_cache = {}
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local default_height = 3
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local rect = {
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bottom = function(x,y,width,height) return 0, height-default_height, width , default_height end,
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top = function(x,y,width,height) return 0, 0, width , 3 end,
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}
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local function gen(width,height,bg_color,border_color, pos)
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local img = cairo.ImageSurface(cairo.Format.ARGB32, width,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:rectangle(rect[pos](0,0,width,height))
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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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local state = self._item.state or {}
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local current_state = state._current_key or ""
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if not state_cache[current_state] then
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state_cache[current_state] = {}
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end
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local cache = state_cache[current_state]
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local hash = width+1234*height
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local cached = cache[hash]
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--Generate the pixmap
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if not cached then
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local state_name = current_state == "" and "bg" or "bg_"..(base.colors_by_id[current_state] or "")
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cached = gen(width,height,self._item[state_name],bc,self.holo_pos)
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cache[hash] = cached
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end
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if current_state ~= self._last_state then
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self:set_bg(cached)
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self._last_state = current_state
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end
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self:_drawrounded(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(item,args)
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local args = args or {}
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if not item.widget._overlay_init then
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item.widget._drawrounded = 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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item.widget._item = item
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item.widget.holo_pos = args.pos or "bottom"
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end
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local state = item.state or {}
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local current_state = state._current_key or nil
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local state_name = base.colors_by_id[current_state]
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if current_state == base.item_flags.SELECTED or (item._tmp_menu) then
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item.widget:set_fg(item["fg_focus"])
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elseif state_name then
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item.widget:set_fg( item["fg_"..state_name])
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else
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item.widget:set_fg(item["fg_normal"])
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end
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end
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local function draw_top(item,args)
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return draw(item,{pos="top"})
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end
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-- Create an identical module for holo_top
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module.top = setmetatable({
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draw = draw_top,
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margins = module.margins
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},
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{
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__call = function(_, ...) return draw_top(...) end
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}
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)
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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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