radical/item/style/rounded.lua

91 lines
2.5 KiB
Lua

local setmetatable = setmetatable
local math = math
local base = require( "radical.base" )
local color = require( "gears.color" )
local cairo = require( "lgi" ).cairo
local print = print
local module = {
margins = {
TOP = 4,
BOTTOM = 4,
RIGHT = 4,
LEFT = 4
}
}
local state_cache = {}
local function gen(width,height,bg_color,border_color)
local img = cairo.ImageSurface(cairo.Format.ARGB32, width,height)
local cr = cairo.Context(img)
local rad = corner_radius or 3
cr:set_source(color(bg_color))
cr:arc(rad,rad,rad,0,2*math.pi)
cr:arc(width-rad,rad,rad,0,2*math.pi)
cr:arc(rad,height-rad,rad,0,2*math.pi)
cr:arc(width-rad,height-rad,rad,0,2*math.pi)
cr:fill()
cr:rectangle(0,rad, width, height-2*rad)
cr:rectangle(rad,0, width-2*rad, height)
cr:fill()
return cairo.Pattern.create_for_surface(img)
end
local function widget_draw(self, w, cr, width, height)
local state = self._item.state or {}
local current_state = state._current_key or ""
if not state_cache[current_state] then
state_cache[current_state] = {}
end
local cache = state_cache[current_state]
local hash = width+1234*height
local cached = cache[hash]
--Generate the pixmap
if not cached then
local state_name = current_state == "" and "bg" or "bg_"..(base.colors_by_id[current_state] or "")
cached = gen(width,height,self._item[state_name],bc)
cache[hash] = cached
end
if current_state ~= self._last_state then
self:set_bg(cached)
self._last_state = current_state
end
self:_drawrounded(w, cr, width, height)
local overlay = self._item and self._item.overlay
if overlay then
overlay(self._item._menu,self._item,cr,width,height)
end
end
local function draw(item,args)
local args = args or {}
if not item.widget._overlay_init then
item.widget._drawrounded = item.widget.draw
item.widget.draw = widget_draw
item.widget._overlay_init = true
item.widget._item = item
end
local state = item.state or {}
local current_state = state._current_key or nil
local state_name = base.colors_by_id[current_state]
if current_state == base.item_flags.SELECTED or (item._tmp_menu) then
item.widget:set_fg(item["fg_focus"])
elseif state_name then
item.widget:set_fg( item["fg_"..state_name])
else
item.widget:set_fg(item["fg_normal"])
end
end
return setmetatable(module, { __call = function(_, ...) return draw(...) end })
-- kate: space-indent on; indent-width 2; replace-tabs on;