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koreader/frontend/ui/elements/font_settings.lua

94 lines
2.8 KiB
Lua

local Device = require("device")
local logger = require("logger")
local util = require("util")
local _ = require("gettext")
--[[ Font settings for systems with multiple font dirs ]]--
local function getDir(isUser)
local home = Device.home_dir
local XDG_DATA_HOME = os.getenv("XDG_DATA_HOME")
local LINUX_FONT_PATH = XDG_DATA_HOME and XDG_DATA_HOME .. "/fonts"
or home .. "/.local/share/fonts"
local LINUX_SYS_FONT_PATH = "/usr/share/fonts"
local MACOS_FONT_PATH = "Library/fonts"
if isUser and not home then return end
if Device:isAndroid() then
return isUser and home .. "/fonts;" .. home .. "/koreader/fonts"
or "/system/fonts"
elseif Device:isPocketBook() then
return isUser and "/mnt/ext1/system/fonts"
or "/ebrmain/adobefonts;/ebrmain/fonts"
elseif Device:isRemarkable() then
return isUser and LINUX_FONT_PATH
or LINUX_SYS_FONT_PATH
elseif Device:isDesktop() or Device:isEmulator() then
if jit.os == "OSX" then
return isUser and home .. "/" .. MACOS_FONT_PATH
or "/" .. MACOS_FONT_PATH
else
return isUser and LINUX_FONT_PATH
or LINUX_SYS_FONT_PATH
end
end
end
local function openFontDir()
if not Device:canOpenLink() then return end
local user_dir = getDir(true)
local openable = util.pathExists(user_dir)
if not openable and user_dir then
logger.info("Font path not found, making one in ", user_dir)
openable = util.makePath(user_dir)
end
if not openable then
logger.warn("Unable to create the folder ", user_dir)
return
end
Device:openLink(user_dir)
end
local function usesSystemFonts()
return G_reader_settings:isTrue("system_fonts")
end
local FontSettings = {}
function FontSettings:getPath()
local user, system = getDir(true), getDir()
if usesSystemFonts() then
if user and system then
return user .. ";" .. system
elseif system then
return system
end
end
return user
end
function FontSettings:getSystemFontMenuItems()
local t = {{
text = _("Enable system fonts"),
checked_func = usesSystemFonts,
callback = function()
G_reader_settings:saveSetting("system_fonts", not usesSystemFonts())
local UIManager = require("ui/uimanager")
UIManager:askForRestart()
end,
}}
if Device:isDesktop() or Device:isEmulator() then table.insert(t, 2, {
text = _("Open fonts folder"),
keep_menu_open = true,
callback = openFontDir,
})
end
return t
end
return FontSettings