Fork of i3 WM with ported desktop manager support patch https://aur.archlinux.org/packages/i3-gaps-desktop
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#!/usr/bin/env perl
# vim:ts=4:sw=4:expandtab
#
# script to migrate an old config file (i3 < 4.0) to the new format (>= 4.0)
# this script only uses modules which come with perl 5.10
#
# reads an i3 v3 config from stdin and spits out a v4 config on stdout
# exit codes:
# 0 = the input was a v3 config
# 1 = the input was already a v4 config
# (the config is printed to stdout nevertheless)
#
# © 2011 Michael Stapelberg and contributors, see LICENSE
use strict;
use warnings;
use Getopt::Long;
use v5.10;
# is this a version 3 config file? disables auto-detection
my $v3 = 0;
my $result = GetOptions('v3' => \$v3);
# reads stdin
sub slurp {
local $/;
<>;
}
my @unchanged = qw(
font
set
mode
exec
assign
floating_modifier
focus_follows_mouse
ipc-socket
ipc_socket
client.focused
client.focused_inactive
client.unfocused
client.urgent
client.background
);
my %workspace_names;
my $workspace_bar = 1;
my $input = slurp();
my @lines = split /\n/, $input;
# remove whitespaces in the beginning of lines
@lines = map { s/^[ \t]*//g; $_ } @lines;
# Try to auto-detect if this is a v3 config file.
sub need_to_convert {
# If the user passed --v3, we need to convert in any case
return 1 if $v3;
for my $line (@lines) {
# only v4 configfiles can use bindcode or workspace_layout
return 0 if $line =~ /^bindcode/ ||
$line =~ /^workspace_layout/ ||
$line =~ /^force_focus_wrapping/;
# have a look at bindings
next unless $line =~ /^bind/;
my ($statement, $key, $command) = ($line =~ /([a-zA-Z_-]+)\s+([^\s]+)\s+(.*)/);
return 0 if $command =~ /^layout/ ||
$command =~ /^floating/ ||
$command =~ /^workspace/ ||
$command =~ /^focus (left|right|up|down)/ ||
$command =~ /^border (normal|1pixel|none)/;
}
return 1;
}
if (!need_to_convert()) {
# If this is already a v4 config file, we will spit out the lines
# and exit with return code 1
print $input;
exit 1;
}
# first pass: get workspace names
for my $line (@lines) {
next if $line =~ /^#/ || $line =~ /^$/;
my ($statement, $parameters) = ($line =~ /([a-zA-Z._-]+)(.*)/);
# skip everything but workspace lines
next unless defined($statement) and $statement eq 'workspace';
my ($number, $params) = ($parameters =~ /\s+([0-9]+)\s+(.+)/);
# save workspace name (unless the line is actually a workspace assignment)
$workspace_names{$number} = $params unless $params =~ /^output/;
}
for my $line (@lines) {
# directly use comments and empty lines
if ($line =~ /^#/ || $line =~ /^$/) {
print "$line\n";
next;
}
my ($statement, $parameters) = ($line =~ /([a-zA-Z._-]+)(.*)/);
# directly use lines which have not changed between 3.x and 4.x
if (!defined($statement) || (lc $statement ~~ @unchanged)) {
print "$line\n";
next;
}
# new_container changed only the statement name to workspace_layout
if ($statement eq 'new_container') {
print "workspace_layout$parameters\n";
next;
}
# workspace_bar is gone, you should use i3bar now
if ($statement eq 'workspace_bar') {
$workspace_bar = ($parameters =~ /\s+(yes|true|on|enable|active)/);
print "# XXX: REMOVED workspace_bar line. There is no internal workspace bar in v4.\n";
next;
}
# new_window changed the parameters from bb to none etc.
if ($statement eq 'new_window') {
if ($parameters =~ /bb/) {
print "new_window none\n";
} elsif ($parameters =~ /bp/) {
print "new_window 1pixel\n";
} elsif ($parameters =~ /bn/) {
print "new_window normal\n";
} else {
print "# XXX: Invalid parameter for new_window, not touching line:\n";
print "$line\n";
}
next;
}
# bar colors are obsolete, need to be configured in i3bar
if ($statement =~ /^bar\./) {
print "# XXX: REMOVED $statement, configure i3bar instead.\n";
print "# Old line: $line\n";
next;
}
# one form of this is still ok (workspace assignments), the other (named workspaces) isn’t
if ($statement eq 'workspace') {
my ($number, $params) = ($parameters =~ /\s+([0-9]+)\s+(.+)/);
if ($params =~ /^output/) {
print "$line\n";
next;
} else {
print "# XXX: workspace name will end up in the corresponding bindings.\n";
next;
}
}
if ($statement eq 'bind' || $statement eq 'bindsym') {
convert_command($line);
next;
}
print "# XXX: migration script could not handle line: $line\n";
}
#
# Converts a command (after bind/bindsym)
#
sub convert_command {
my ($line) = @_;
my @unchanged_cmds = qw(
exec
mark
kill
restart
reload
exit
);
my ($statement, $key, $command) = ($line =~ /([a-zA-Z_-]+)\s+([^\s]+)\s+(.*)/);
# turn 'bind' to 'bindcode'
$statement = 'bindcode' if $statement eq 'bind';
# check if it’s one of the unchanged commands
my ($cmd) = ($command =~ /([a-zA-Z_-]+)/);
if ($cmd ~~ @unchanged_cmds) {
print "$statement $key $command\n";
return;
}
# simple replacements
my @replace = (
qr/^s/ => 'layout stacking',
qr/^d/ => 'layout toggle split',
qr/^T/ => 'layout tabbed',
qr/^f($|[^go])/ => 'fullscreen',
qr/^fg/ => 'fullscreen global',
qr/^t/ => 'floating toggle',
qr/^h/ => 'focus left',
qr/^j($|[^u])/ => 'focus down',
qr/^k/ => 'focus up',
qr/^l/ => 'focus right',
qr/^mh/ => 'move left',
qr/^mj/ => 'move down',
qr/^mk/ => 'move up',
qr/^ml/ => 'move right',
qr/^bn/ => 'border normal',
qr/^bp/ => 'border 1pixel',
qr/^bb/ => 'border none',
qr/^bt/ => 'border toggle',
qr/^pw/ => 'workspace prev',
qr/^nw/ => 'workspace next',
);
my $replaced = 0;
for (my $c = 0; $c < @replace; $c += 2) {
if ($command =~ $replace[$c]) {
$command = $replace[$c+1];
$replaced = 1;
last;
}
}
# goto command is now obsolete due to criteria + focus command
if ($command =~ /^goto/) {
my ($mark) = ($command =~ /^goto\s+(.*)/);
print qq|$statement $key [con_mark="$mark"] focus\n|;
return;
}
# the jump command is also obsolete due to criteria + focus
if ($command =~ /^jump/) {
my ($params) = ($command =~ /^jump\s+(.*)/);
if ($params =~ /^"/) {
# jump ["]window class[/window title]["]
($params) = ($params =~ /^"([^"]+)"/);
# check if a window title was specified
if ($params =~ m,/,) {
my ($class, $title) = ($params =~ m,([^/]+)/(.+),);
print qq|$statement $key [class="$class" title="$title"] focus\n|;
} else {
print qq|$statement $key [class="$params"] focus\n|;
}
return;
} else {
# jump <workspace> [ column row ]
print "# XXX: jump workspace is obsolete in 4.x: $line\n";
return;
}
}
if (!$replaced && $command =~ /^focus/) {
my ($what) = ($command =~ /^focus\s+(.*)/);
$what =~ s/\s//g;
if ($what eq 'ft') {
$what = 'mode_toggle';
} elsif ($what eq 'floating' || $what eq 'tiling') {
# those are unchanged
} else {
print "# XXX: focus <number> is obsolete in 4.x: $line\n";
return;
}
print qq|$statement $key focus $what\n|;
return;
}
if ($command =~ /^mode/) {
my ($parameters) = ($command =~ /^mode\s+(.*)/);
print qq|$statement $key mode "$parameters"\n|;
return;
}
# the parameters of the resize command have changed
if ($command =~ /^resize/) {
# OLD: resize <left|right|top|bottom> [+|-]<pixels>\n")
# NEW: resize <grow|shrink> <direction> [<px> px] [or <ppt> ppt]
my ($direction, $sign, $px) = ($command =~ /^resize\s+(left|right|top|bottom)\s+([+-])([0-9]+)/);
my $cmd = 'resize ';
$cmd .= ($sign eq '+' ? 'grow' : 'shrink') . ' ';
if ($direction eq 'top') {
$direction = 'up';
} elsif ($direction eq 'bottom') {
$direction = 'down';
}
$cmd .= "$direction ";
$cmd .= "$px px";
print qq|$statement $key $cmd\n|;
return;
}
# switch workspace
if ($command =~ /^[0-9]+/) {
my ($number) = ($command =~ /^([0-9]+)/);
if (exists $workspace_names{$number}) {
print qq|$statement $key workspace $workspace_names{$number}\n|;
return;
} else {
print qq|$statement $key workspace $number\n|;
return;
}
}
# move to workspace
if ($command =~ /^m[0-9]+/) {
my ($number) = ($command =~ /^m([0-9]+)/);
if (exists $workspace_names{$number}) {
print qq|$statement $key move container to workspace $workspace_names{$number}\n|;
return;
} else {
print qq|$statement $key move container to workspace $number\n|;
return;
}
}
# With Container-commands are now obsolete due to different abstraction
if ($command =~ /^wc/) {
$command =~ s/^wc//g;
my $wc_replaced = 0;
for (my $c = 0; $c < @replace; $c += 2) {
if ($command =~ $replace[$c]) {
$command = $replace[$c+1];
$wc_replaced = 1;
last;
}
}
if (!$wc_replaced) {
print "# XXX: migration script could not handle command: $line\n";
} else {
# NOTE: This is not 100% accurate, as it only works for one level
# of nested containers. As this is a common use case, we use 'focus
# parent; $command' nevertheless. For advanced use cases, the user
# has to modify their config.
print "$statement $key focus parent; $command\n";
}
return;
}
if ($replaced) {
print "$statement $key $command\n";
} else {
print "# XXX: migration script could not handle command: $line\n";
}
}
# add an i3bar invocation automatically if no 'workspace_bar no' was found
if ($workspace_bar) {
print "\n";
print "# XXX: Automatically added a bar configuration\n";
print "bar {\n";
print " status_command i3status\n";
print "}\n";
}