bling/helpers/icon_theme.lua

135 lines
3.5 KiB
Lua

local Gio = require("lgi").Gio
local Gtk = require("lgi").Gtk
local gobject = require("gears.object")
local gtable = require("gears.table")
local helpers = require("helpers")
local setmetatable = setmetatable
local ipairs = ipairs
local icon_theme = { mt = {} }
function icon_theme:get_client_icon_path(client)
local function find_icon(class)
if self._private.client_icon_cache[class] ~= nil then
return self._private.client_icon_cache[class]
end
for _, app in ipairs(Gio.AppInfo.get_all()) do
local id = Gio.AppInfo.get_id(app)
if id:match(helpers.misc.case_insensitive_pattern(class)) then
self._private.client_icon_cache[class] = self:get_gicon_path(Gio.AppInfo.get_icon(app))
return self._private.client_icon_cache[class]
end
end
return nil
end
local class = client.class
if class == "jetbrains-studio" then
class = "android-studio"
end
local icon = self:get_icon_path("gnome-window-manager")
if class ~= nil then
class = class:gsub("[%-]", "%%%0")
icon = find_icon(class) or icon
class = client.class
class = class:gsub("[%-]", "")
icon = find_icon(class) or icon
class = client.class
class = class:gsub("[%-]", ".")
icon = find_icon(class) or icon
class = client.class
class = class:match("(.-)-") or class
class = class:match("(.-)%.") or class
class = class:match("(.-)%s+") or class
class = class:gsub("[%-]", "%%%0")
icon = find_icon(class) or icon
end
return icon
end
function icon_theme:choose_icon(icons_names)
local icon_info = Gtk.IconTheme.choose_icon(self.gtk_theme, icons_names, self.icon_size, 0);
if icon_info then
local icon_path = Gtk.IconInfo.get_filename(icon_info)
if icon_path then
return icon_path
end
end
return ""
end
function icon_theme:get_gicon_path(gicon)
if gicon == nil then
return ""
end
if self._private.icon_cache[gicon] ~= nil then
return self._private.icon_cache[gicon]
end
local icon_info = Gtk.IconTheme.lookup_by_gicon(self.gtk_theme, gicon, self.icon_size, 0);
if icon_info then
local icon_path = Gtk.IconInfo.get_filename(icon_info)
if icon_path then
self._private.icon_cache[gicon] = icon_path
return icon_path
end
end
return ""
end
function icon_theme:get_icon_path(icon_name)
if self._private.icon_cache[icon_name] ~= nil then
return self._private.icon_cache[icon_name]
end
local icon_info = Gtk.IconTheme.lookup_icon(self.gtk_theme, icon_name, self.icon_size, 0);
if icon_info then
local icon_path = Gtk.IconInfo.get_filename(icon_info)
if icon_path then
self._private.icon_cache[icon_name] = icon_path
return icon_path
end
end
return ""
end
local function new(theme_name, icon_size)
local ret = gobject{}
gtable.crush(ret, icon_theme, true)
ret._private = {}
ret._private.client_icon_cache = {}
ret._private.icon_cache = {}
ret.name = theme_name or nil
ret.icon_size = icon_size or 48
if theme_name then
ret.gtk_theme = Gtk.IconTheme.new()
Gtk.IconTheme.set_custom_theme(ret.gtk_theme, theme_name);
else
ret.gtk_theme = Gtk.IconTheme.get_default()
end
return ret
end
function icon_theme.mt:__call(...)
return new(...)
end
return setmetatable(icon_theme, icon_theme.mt)