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gentoo-overlay/eclass/desktop.eclass

411 lines
9.7 KiB

# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: desktop.eclass
# @MAINTAINER:
# base-system@gentoo.org
# @SUPPORTED_EAPIS: 6 7 8
# @BLURB: support for desktop files, menus, and icons
case ${EAPI} in
6|7|8) ;;
*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
esac
if [[ -z ${_DESKTOP_ECLASS} ]]; then
_DESKTOP_ECLASS=1
# @FUNCTION: make_desktop_entry
# @USAGE: <command> [name] [icon] [type] [fields]
# @DESCRIPTION:
# Make a .desktop file.
#
# @CODE
# binary: what command does the app run with ?
# name: the name that will show up in the menu
# icon: the icon to use in the menu entry
# this can be relative (to /usr/share/pixmaps) or
# a full path to an icon
# type: what kind of application is this?
# for categories:
# https://specifications.freedesktop.org/menu-spec/latest/apa.html
# if unset, function tries to guess from package's category
# fields: extra fields to append to the desktop file; a printf string
# @CODE
make_desktop_entry() {
[[ -z $1 ]] && die "make_desktop_entry: You must specify the executable"
local exec=${1}
local name=${2:-${PN}}
local icon=${3:-${PN}}
local type=${4}
local fields=${5}
if [[ -z ${type} ]] ; then
local catmaj=${CATEGORY%%-*}
local catmin=${CATEGORY##*-}
case ${catmaj} in
app)
case ${catmin} in
accessibility) type="Utility;Accessibility";;
admin) type=System;;
antivirus) type=System;;
arch) type="Utility;Archiving";;
backup) type="Utility;Archiving";;
cdr) type="AudioVideo;DiscBurning";;
dicts) type="Office;Dictionary";;
doc) type=Documentation;;
editors) type="Utility;TextEditor";;
emacs) type="Development;TextEditor";;
emulation) type="System;Emulator";;
laptop) type="Settings;HardwareSettings";;
office) type=Office;;
pda) type="Office;PDA";;
vim) type="Development;TextEditor";;
xemacs) type="Development;TextEditor";;
esac
;;
dev)
type="Development"
;;
games)
case ${catmin} in
action|fps) type=ActionGame;;
arcade) type=ArcadeGame;;
board) type=BoardGame;;
emulation) type=Emulator;;
kids) type=KidsGame;;
puzzle) type=LogicGame;;
roguelike) type=RolePlaying;;
rpg) type=RolePlaying;;
simulation) type=Simulation;;
sports) type=SportsGame;;
strategy) type=StrategyGame;;
esac
type="Game;${type}"
;;
gnome)
type="Gnome;GTK"
;;
kde)
type="KDE;Qt"
;;
mail)
type="Network;Email"
;;
media)
case ${catmin} in
gfx)
type=Graphics
;;
*)
case ${catmin} in
radio) type=Tuner;;
sound) type=Audio;;
tv) type=TV;;
video) type=Video;;
esac
type="AudioVideo;${type}"
;;
esac
;;
net)
case ${catmin} in
dialup) type=Dialup;;
ftp) type=FileTransfer;;
im) type=InstantMessaging;;
irc) type=IRCClient;;
mail) type=Email;;
news) type=News;;
nntp) type=News;;
p2p) type=FileTransfer;;
voip) type=Telephony;;
esac
type="Network;${type}"
;;
sci)
case ${catmin} in
astro*) type=Astronomy;;
bio*) type=Biology;;
calc*) type=Calculator;;
chem*) type=Chemistry;;
elec*) type=Electronics;;
geo*) type=Geology;;
math*) type=Math;;
physics) type=Physics;;
visual*) type=DataVisualization;;
esac
type="Education;Science;${type}"
;;
sys)
type="System"
;;
www)
case ${catmin} in
client) type=WebBrowser;;
esac
type="Network;${type}"
;;
*)
type=
;;
esac
fi
local desktop_exec="${exec%%[[:space:]]*}"
desktop_exec="${desktop_exec##*/}"
local desktop_suffix="-${PN}"
[[ ${SLOT%/*} != 0 ]] && desktop_suffix+="-${SLOT%/*}"
# Replace foo-foo.desktop by foo.desktop
[[ ${desktop_suffix#-} == "${desktop_exec}" ]] && desktop_suffix=""
# Prevent collisions if a file with the same name already exists #771708
local desktop="${desktop_exec}${desktop_suffix}" count=0
while [[ -e ${ED}/usr/share/applications/${desktop}.desktop ]]; do
desktop="${desktop_exec}-$((++count))${desktop_suffix}"
done
desktop="${T}/${desktop}.desktop"
# Don't append another ";" when a valid category value is provided.
type=${type%;}${type:+;}
if [[ -n ${icon} && ${icon} != /* ]] && [[ ${icon} == *.xpm || ${icon} == *.png || ${icon} == *.svg ]]; then
ewarn "As described in the Icon Theme Specification, icon file extensions are not"
ewarn "allowed in .desktop files if the value is not an absolute path."
icon=${icon%.*}
fi
cat <<-EOF > "${desktop}" || die
[Desktop Entry]
Name=${name}
Type=Application
Comment=${DESCRIPTION}
Exec=${exec}
TryExec=${exec%% *}
Icon=${icon}
Categories=${type}
EOF
if [[ ${fields:-=} != *=* ]] ; then
# 5th arg used to be value to Path=
ewarn "make_desktop_entry: update your 5th arg to read Path=${fields}"
fields="Path=${fields}"
fi
if [[ -n ${fields} ]]; then
printf '%b\n' "${fields}" >> "${desktop}" || die
fi
(
# wrap the env here so that the 'insinto' call
# doesn't corrupt the env of the caller
insopts -m 0644
insinto /usr/share/applications
doins "${desktop}"
) || die "installing desktop file failed"
}
# @FUNCTION: make_session_desktop
# @USAGE: <title> <command> [command args...]
# @DESCRIPTION:
# Make a GDM/KDM Session file. The title is the file to execute to start the
# Window Manager. The command is the name of the Window Manager.
#
# You can set the name of the file via the ${wm} variable.
make_session_desktop() {
[[ -z $1 ]] && eerror "$0: You must specify the title" && return 1
[[ -z $2 ]] && eerror "$0: You must specify the command" && return 1
local title=$1
local command=$2
local desktop=${T}/${wm:-${PN}}.desktop
shift 2
cat <<-EOF > "${desktop}" || die
[Desktop Entry]
Name=${title}
Comment=This session logs you into ${title}
Exec=${command} $*
TryExec=${command}
Type=XSession
EOF
(
# wrap the env here so that the 'insinto' call
# doesn't corrupt the env of the caller
insopts -m 0644
insinto /usr/share/xsessions
doins "${desktop}"
)
}
# @FUNCTION: domenu
# @USAGE: <menus>
# @DESCRIPTION:
# Install the list of .desktop menu files into the appropriate directory
# (/usr/share/applications).
domenu() {
(
# wrap the env here so that the 'insinto' call
# doesn't corrupt the env of the caller
local i ret=0
insopts -m 0644
insinto /usr/share/applications
for i in "$@" ; do
if [[ -d ${i} ]] ; then
doins "${i}"/*.desktop
((ret|=$?))
else
doins "${i}"
((ret|=$?))
fi
done
exit ${ret}
)
}
# @FUNCTION: newmenu
# @USAGE: <menu> <newname>
# @DESCRIPTION:
# Like all other new* functions, install the specified menu as newname.
newmenu() {
(
# wrap the env here so that the 'insinto' call
# doesn't corrupt the env of the caller
insopts -m 0644
insinto /usr/share/applications
newins "$@"
)
}
# @FUNCTION: _iconins
# @INTERNAL
# @DESCRIPTION:
# function for use in doicon and newicon
_iconins() {
(
# wrap the env here so that the 'insinto' call
# doesn't corrupt the env of the caller
insopts -m 0644
local funcname=$1; shift
local size dir
local context=apps
local theme=hicolor
while [[ $# -gt 0 ]] ; do
case $1 in
-s|--size)
if [[ ${2%%x*}x${2%%x*} == "$2" ]] ; then
size=${2%%x*}
else
size=${2}
fi
case ${size} in
16|22|24|32|36|48|64|72|96|128|192|256|512|1024)
size=${size}x${size};;
symbolic|scalable)
;;
*)
eerror "${size} is an unsupported icon size!"
exit 1;;
esac
shift 2;;
-t|--theme)
theme=${2}
shift 2;;
-c|--context)
context=${2}
shift 2;;
*)
if [[ -z ${size} ]] ; then
insinto /usr/share/pixmaps
else
insinto /usr/share/icons/${theme}/${size}/${context}
fi
if [[ ${funcname} == doicon ]] ; then
if [[ -f $1 ]] ; then
doins "${1}"
elif [[ -d $1 ]] ; then
shopt -s nullglob
doins "${1}"/*.{png,svg}
shopt -u nullglob
else
eerror "${1} is not a valid file/directory!"
exit 1
fi
else
break
fi
shift 1;;
esac
done
if [[ ${funcname} == newicon ]] ; then
newins "$@"
fi
) || die
}
# @FUNCTION: doicon
# @USAGE: [options] <icons>
# @DESCRIPTION:
# Install icon into the icon directory /usr/share/icons or into
# /usr/share/pixmaps if "--size" is not set.
# This is useful in conjunction with creating desktop/menu files.
#
# @CODE
# options:
# -s, --size
# !!! must specify to install into /usr/share/icons/... !!!
# size of the icon, like 48 or 48x48
# supported icon sizes are:
# 16 22 24 32 36 48 64 72 96 128 192 256 512 1024 scalable
# -c, --context
# defaults to "apps"
# -t, --theme
# defaults to "hicolor"
#
# icons: list of icons
#
# example 1: doicon foobar.png fuqbar.svg suckbar.png
# results in: insinto /usr/share/pixmaps
# doins foobar.png fuqbar.svg suckbar.png
#
# example 2: doicon -s 48 foobar.png fuqbar.png blobbar.png
# results in: insinto /usr/share/icons/hicolor/48x48/apps
# doins foobar.png fuqbar.png blobbar.png
# @CODE
doicon() {
_iconins ${FUNCNAME} "$@"
}
# @FUNCTION: newicon
# @USAGE: [options] <icon> <newname>
# @DESCRIPTION:
# Like doicon, install the specified icon as newname.
#
# @CODE
# example 1: newicon foobar.png NEWNAME.png
# results in: insinto /usr/share/pixmaps
# newins foobar.png NEWNAME.png
#
# example 2: newicon -s 48 foobar.png NEWNAME.png
# results in: insinto /usr/share/icons/hicolor/48x48/apps
# newins foobar.png NEWNAME.png
# @CODE
newicon() {
_iconins ${FUNCNAME} "$@"
}
fi