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Desktop.rb
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Desktop.rb
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# encoding: utf-8
# ***************************************************************************
#
# Copyright (c) 2002 - 2012 Novell, Inc.
# All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, contact Novell, Inc.
#
# To contact Novell about this file by physical or electronic mail,
# you may find current contact information at www.novell.com
#
# ***************************************************************************
# File: modules/Desktop.ycp
# Package: yast2
# Summary: Handling of .desktop entries
# Author: Michal Svec <msvec@suse.cz>
#
# $Id$
require "yast"
module Yast
class DesktopClass < Module
def main
textdomain "base"
Yast.import "Map"
Yast.import "Directory"
# YaST configuration modules
@Modules = {}
# * YaST configuration groups
# *
# * <PRE>
# Groups=$[
# "Hardware":$[
# "Icon":"hardware56.png",
# "Name":"_(\"Hardware\")",
# "SortKey":"20",
# "Textdomain":"base",
# "modules":["cdrom", "hwinfo", ...]
# ],
# ...
# ];
# * </PRE>
@Groups = {}
# Optional agent path to the desktop files
@AgentPath = path(".yast2.desktop")
# Optional language for reading translated entries
@Language = ""
@LanguageFull = ""
end
def ReadLocalizedKey(fname, keypath, key)
if key != "Name" && key != "GenericName"
return Convert.to_string(SCR.Read(Builtins.add(keypath, key)))
end
ret = ""
fallback = Convert.to_string(SCR.Read(Builtins.add(keypath, key)))
# check if there are any translation in .desktop file
# that is - Name[$lang_code]
if !@LanguageFull.nil? || @LanguageFull != ""
newkey = Builtins.sformat("%1[%2]", key, @LanguageFull)
ret = Convert.to_string(SCR.Read(Builtins.add(keypath, newkey)))
return ret if !ret.nil? && ret != ""
end
if !@Language.nil? || @Language != ""
newkey = Builtins.sformat("%1[%2]", key, @Language)
ret = Convert.to_string(SCR.Read(Builtins.add(keypath, newkey)))
return ret if !ret.nil? && ret != ""
end
# no translations in .desktop, check desktop_translations.mo then
msgid = Builtins.sformat("%1(%2): %3", key, fname, fallback)
Builtins.y2debug("Looking for key: %1", msgid)
ret = Builtins.dpgettext(
"desktop_translations",
"/usr/share/locale",
msgid
)
# probably untranslated - return english name
return fallback if ret == msgid
ret
end
# Internal function: set up the language variables.
def ReadLanguage
# read language
@LanguageFull = ""
@Language = ""
# Do not use UI.GetLanguage. It would start an UI which is not
# needed for it.
@Language = ENV["LANG"].split(/[\.,@]/).first if ENV["LANG"]
if Builtins.regexpmatch(@Language, "(.*_[^.]*)\\.?.*") # matches: ll_TT ll_TT.UTF-8
@LanguageFull = Builtins.regexpsub(@Language, "(.*_[^.]*)\\.?.*", "\\1")
end
if Builtins.regexpmatch(@Language, "(.*)_")
@Language = Builtins.regexpsub(@Language, "(.*)_", "\\1")
end
Builtins.y2debug("LanguageFull=%1", @LanguageFull)
Builtins.y2debug("Language=%1", @Language)
nil
end
# Read module and group data from desktop files
# @param [Array<String>] Values list of values to be parsed (empty to read all)
def Read(values_to_parse)
values_to_parse = deep_copy(values_to_parse)
extract_desktop_filename = lambda do |fullpath|
path_components = Builtins.splitstring(fullpath, "/")
filename = Ops.get(
path_components,
Ops.subtract(Builtins.size(path_components), 1),
""
)
filename
end
# read modules
filemap = {}
filepath = nil
ReadLanguage()
ps = Builtins.add(@AgentPath, "s")
files = SCR.Dir(ps)
# read groups
groups = SCR.Dir(path(".yast2.groups.s"))
Builtins.y2debug("groups=%1", groups)
Builtins.foreach(groups) do |group|
filemap = {}
filepath = Ops.add(
Ops.add(path(".yast2.groups.v"), group),
"Desktop Entry"
)
filename = extract_desktop_filename.call(group)
Ops.set(filemap, "Icon", SCR.Read(Ops.add(filepath, "Icon")))
Ops.set(
filemap,
"SortKey",
SCR.Read(Ops.add(filepath, "X-SuSE-YaST-SortKey"))
)
Ops.set(filemap, "Hidden", SCR.Read(Ops.add(filepath, "Hidden")))
Ops.set(filemap, "Name", ReadLocalizedKey(filename, filepath, "Name"))
Ops.set(filemap, "modules", [])
Ops.set(
filemap,
"X-SuSE-DocTeamID",
SCR.Read(Ops.add(filepath, "X-SuSE-DocTeamID"))
)
name2 = Convert.to_string(
SCR.Read(Ops.add(filepath, "X-SuSE-YaST-Group"))
)
Ops.set(@Groups, name2, filemap)
end
Builtins.y2debug("Groups=%1", @Groups)
# read modules
Builtins.foreach(files) do |file|
filemap = {}
filepath = Ops.add(
Ops.add(Ops.add(@AgentPath, path(".v")), file),
path(".\"Desktop Entry\"")
)
values = SCR.Dir(filepath)
filename = extract_desktop_filename.call(file)
values = deep_copy(values_to_parse) if !values_to_parse.nil? && values_to_parse != []
Builtins.foreach(values) do |value|
ret = ReadLocalizedKey(filename, filepath, value)
Ops.set(filemap, value, ret) if !ret.nil? && ret != ""
end
name2 = Builtins.regexpsub(file, "^.*/(.*).desktop", "\\1")
if name2 != "" && !name2.nil?
Ops.set(@Modules, name2, filemap)
group = Ops.get_string(filemap, "X-SuSE-YaST-Group", "")
if group != ""
Ops.set(
@Groups,
[
group,
"modules",
Builtins.size(Ops.get_list(@Groups, [group, "modules"], []))
],
name2
)
end
end
end
Builtins.y2debug("Groups=%1", @Groups)
Builtins.y2debug("Modules=%1", @Modules)
nil
end
def Translate(key)
if Builtins.regexpmatch(key, "_\\(\"(.*)\"\\)") == true
ke = Builtins.regexpsub(key, "_\\(\"(.*)\"\\)", "\\1")
key = Builtins.eval(ke)
Builtins.y2milestone("%1 -> %2", ke, key)
end
key
end
def CreateList(m)
m = deep_copy(m)
keys = Map.Keys(m)
keys = Builtins.sort(keys) do |x, y|
Ops.less_than(
Ops.get_string(m, [x, "SortKey"], ""),
Ops.get_string(m, [y, "SortKey"], "")
)
end
keys = Builtins.filter(keys) do |key|
Ops.get_string(m, [key, "Hidden"], "false") != "true"
end
Builtins.y2debug("keys=%1", keys)
Builtins.maplist(keys) do |name|
Item(Id(name), Translate(Ops.get_string(m, [name, "Name"], "???")))
end
end
def GroupList
CreateList(@Groups)
end
def ModuleList(group)
mods = Ops.get_list(@Groups, [group, "modules"], [])
l = []
# support sort keys: #36466
mods = Builtins.sort(mods) do |x, y|
Ops.less_than(
Ops.get_string(
@Modules,
[x, "X-SuSE-YaST-SortKey"],
Ops.get_string(@Modules, [x, "Name"], "")
),
Ops.get_string(
@Modules,
[y, "X-SuSE-YaST-SortKey"],
Ops.get_string(@Modules, [y, "Name"], "")
)
)
end
Builtins.foreach(mods) do |m|
if Builtins.haskey(@Modules, m) &&
Ops.get_string(@Modules, [m, "Hidden"], "false") != "true"
l = Builtins.add(
l,
Item(Id(m), Ops.get_string(@Modules, [m, "Name"], "???"))
)
end
end
# y2debug too costly: y2debug("%1", m);
deep_copy(l)
end
def MakeAutostartMap(exec, args)
args = deep_copy(args)
{
"Encoding" => "UTF-8",
"Name" => exec,
"Exec" => exec,
"X-SuSE-Autostart" => Ops.add(
Ops.add(exec, " "),
Builtins.mergestring(args, " ")
),
"Hidden" => "true",
"Icon" => exec,
"Type" => "Application"
}
end
# Runs a program by writing a special desktop file.
# Works with KDE and GNOME.
# Useful for kinternet, see bug 37864#c17
# @param [String] exec program to exec (basename)
def RunViaDesktop(exec, args)
args = deep_copy(args)
content = "[KDE Desktop Entry]\n"
Builtins.foreach(MakeAutostartMap(exec, args)) do |key, value|
content = Ops.add(content, Builtins.sformat("%1=%2\n", key, value))
end
dir = "/var/lib/Desktop"
SCR.Write(
path(".target.string"),
Builtins.sformat("%1/yast2-run-%2.desktop", dir, exec),
content
)
nil
end
# Parses the a .desktop file it gets as a parameter without trying to use
# already cached information or agent to access all desktop files. This is
# optimized version to be used for rapid start of modules.
# Desktop file is placed in a special directory (/usr/share/applications/YaST2).
# Parameter file is relative to that directory without ".desktop" suffix.
# Warning: There are no desktop files in inst-sys.
#
# @param [String] file desktop file name
# @return [Hash] filled with data, or nil
#
# @example
# // Opens /usr/share/applications/YaST2/lan.desktop
# map<string,string> description = Desktop::ParseSingleDesktopFile ("lan");
# Wizard::SetDialogTitle (description["Name"]:_("None));
def ParseSingleDesktopFile(file)
filename = Builtins.sformat("%1/%2.desktop", Directory.desktopdir, file)
# Do not use .yast2.desktop.v.$filename, because ini-agent reads
# all the desktop files anyway which is wasteful for setting one icon.
# The config is adapted from .yast2.desktop.
SCR.RegisterAgent(
path(".yast2.desktop1"),
term(
:ag_ini,
term(
:IniAgent,
filename,
"options" => ["read_only"], # rw works but not needed
"comments" => ["^[ \t]*[;#].*", ";.*", "\\{[^}]*\\}", "^[ \t]*$"],
"sections" => [
{
"begin" => [
"^[ \t]*\\[[ \t]*(.*[^ \t])[ \t]*\\][ \t]*",
"[%s]"
]
}
],
"params" => [
{
"match" => [
"^[ \t]*([^=]*[^ \t=])[ \t]*=[ \t]*(.*[^ \t]|)[ \t]*$",
"%s=%s"
]
}
]
)
)
)
# non-existent file requested
if SCR.Dir(path(".yast2.desktop1.v.\"Desktop Entry\"")).nil?
Builtins.y2error("Unknown desktop file: %1", file)
SCR.UnregisterAgent(path(".yast2.desktop1"))
return nil
end
# we need localized keys
ReadLanguage()
result = {
"Icon" => Convert.to_string(
SCR.Read(path(".yast2.desktop1.v.\"Desktop Entry\".Icon"))
),
"Name" => ReadLocalizedKey(
Ops.add(file, ".desktop"),
path(".yast2.desktop1.v.\"Desktop Entry\""),
"Name"
),
"GenericName" => ReadLocalizedKey(
Ops.add(file, ".desktop"),
path(".yast2.desktop1.v.\"Desktop Entry\""),
"GenericName"
)
}
SCR.UnregisterAgent(path(".yast2.desktop1"))
deep_copy(result)
end
publish variable: :Modules, type: "map <string, map>"
publish variable: :Groups, type: "map <string, map>"
publish variable: :AgentPath, type: "path"
publish function: :Read, type: "void (list <string>)"
publish function: :Translate, type: "string (string)"
publish function: :GroupList, type: "list <term> ()"
publish function: :ModuleList, type: "list <term> (string)"
publish function: :RunViaDesktop, type: "void (string, list <string>)"
publish function: :ParseSingleDesktopFile, type: "map <string, string> (string)"
end
Desktop = DesktopClass.new
Desktop.main
end