.home/.urxvt/ext/tabbedex

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#! perl
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# 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, see <http://www.gnu.org/licenses/>.
#
##
## Tabbed plugin for rxvt-unicode
## Modified by Michal Nazarewicz (mina86/AT/mina86.com), StephenB
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## (mail4stb/AT/gmail.com), Steven Merrill
## <steven dot merrill at gmail.com>, Mark Pustjens
## <pustjens@dds.nl> and more...
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##
## The following has been added:
##
## 1. Depending on time of last activity, activity character differs.
## By default, after 4 seconds an asterisk becomes a plus sing,
## after next 4 it becomes a colon, and finally, after another 8
## seconds it becomes a dot. This can be configured via
## tabbar-timeouts resource. It's format is:
##
## ( <timeout> ":" <character> ":" )* <timeout> ":" <character> ":"
##
## where <timeout> is timeout in seconds and <character> is
## a single activity character.
##
## 2. The "[NEW]" button can be disabled (who on Earth uses mouse to
## create new tab anyways?) by setting new-button resource to yes.
##
## 3. If title resource is true, tab's title is displayed after last
## button. This is handy if you have terminal with no window
## decorations. Colours can be configured via title-fg and
## title-bg.
##
## 4. Incorporated Alexey Semenko <asemenko at gmail.com> patch adding
## autohide resource. If it's true tab bar is hidden if there is
## no more then one tab opened.
##
## 5. Tabs are indexed in starting with zero hex. :] If you're such
## a geek to use urxvt it shouldn't be a problem for you and it
## saves few character when many tabs are opened.
##
## 6. As a minor modification: Final pipe character is removed (unless
## title is displayed). This make tab bar look nicer.
##
## Added by StephenB:
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##
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## 7. Tabs can be named with Shift+Up (Enter to confirm, Escape to
## cancel).
##
## 8. "[NEW]" button disabled by default.
##
## Added by Steven Merrill <steven dot merrill at gmail.com>
##
## 9. Ability to start a new tab or cycle through tabs via user
## commands: tabbedex:(new|next|prev)_tab .
## e.g. (in .Xdefaults) URxvt.keysym.M-t: perl:tabbedex:new_tab
## (see the urxvt man file for more info about keysym)
##
## 10. Fix an issue whereby on_user_command would not properly get sent
## to other extension packages if the mouse was not over the urxvt
## window.
##
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## Added by Thomas Jost:
##
## 11. Add several user commands: tabbedex:rename_tab,
## tabbedex:move_tab_(left|right).
## e.g. (see 9.) URxvt.keysym.C-S-Left: perl:tabbex:move_tab_left
##
## 12. Ability to disable the default keybindings using the
## no-tabbedex-keys resource.
##
## Added by xanf (Illya Klymov):
##
## 13. Ability to display non-latin characters in tab title.
##
## Added by jpkotta:
##
## 14. Tabs inherit command line options.
##
## Added by Mark Pustjens <pustjens@dds.nl>
##
## 15. Resources are now read respecting the -name option.
##
## 16. Ability to prevent the last tab from closing.
## Use the following in your ~/.Xdefaults to enable:
## URXvt.tabbed.reopen-on-close: yes
##
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use Encode qw(decode);
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sub update_autohide {
my ($self, $reconfigure) = @_;
my $oldh = $self->{tabheight};
if ($self->{autohide} && @{ $self->{tabs} } <= 1 &&
! (@{ $self->{tabs} } == 1 && $self->{tabs}[-1]->{name})) {
$self->{tabheight} = 0;
} else {
$self->{tabheight} = $self->{maxtabheight};
}
if ($reconfigure && $self->{tabheight} != $oldh) {
$self->configure;
$self->copy_properties;
}
}
sub tab_activity_mark ($$) {
my ($self, $tab) = @_;
return ' ' unless defined $tab->{lastActivity};
return ' ' if $tab == $self->{cur};
if (defined $self->{timeouts}) {
my $diff = int urxvt::NOW - $tab->{lastActivity};
for my $spec (@{ $self->{timeouts} }) {
return $spec->[1] if $diff > $spec->[0];
}
}
'*';
}
sub refresh {
my ($self) = @_;
# autohide makes it zero
return unless $self->{tabheight};
my $ncol = $self->ncol;
my $text = " " x $ncol;
my $rend = [($self->{rs_tabbar}) x $ncol];
my ($ofs, $idx, @ofs) = (0, 0);
if ($self->{new_button}) {
substr $text, 0, 7, "[NEW] |";
@$rend[0 .. 5] = ($self->{rs_tab}) x 6;
push @ofs, [0, 6, -1 ];
$ofs = 7;
}
for my $tab (@{ $self->{tabs} }) {
my $name = $tab->{name} ? $tab->{name} : $idx;
my $act = $self->tab_activity_mark($tab);
my $txt = sprintf "%s%s%s", $act, $name, $act;
my $len = length $txt;
substr $text, $ofs, $len + 1, "$txt|";
@$rend[$ofs .. $ofs + $len - 1] = ($self->{rs_tab}) x $len
if $tab == $self->{cur};
push @ofs, [ $ofs, $ofs + $len, $idx ];
++$idx;
$ofs += $len + 1;
}
substr $text, --$ofs, 1, ' '; # remove last '|'
if ($self->{tab_title} && $ofs + 3 < $ncol) {
my $term = $self->{term};
my @str = $term->XGetWindowProperty($term->parent, $self->{tab_title});
if (@str && $str[2]) {
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my $str = '| ' . decode("utf8", $str[2]);
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my $len = length $str;
$len = $ncol - $ofs if $ofs + $len > $ncol;
substr $text, $ofs, $len, substr $str, 0, $len;
@$rend[$ofs + 2 .. $ofs + $len - 1] = ($self->{rs_title}) x ($len - 2);
}
}
$self->{tabofs} = \@ofs;
$self->ROW_t (0, $text, 0, 0, $ncol);
$self->ROW_r (0, $rend, 0, 0, $ncol);
$self->want_refresh;
}
sub new_tab {
my ($self, @argv) = @_;
my $offset = $self->fheight;
$self->{tabheight} = $self->{maxtabheight}
unless $self->{autohide} && !(defined $self->{tabs} && @{ $self->{tabs} });
# save a backlink to us, make sure tabbedex is inactive
push @urxvt::TERM_INIT, sub {
my ($term) = @_;
$term->{parent} = $self;
for (0 .. urxvt::NUM_RESOURCES - 1) {
my $value = $self->{resource}[$_];
$term->resource ("+$_" => $value)
if defined $value;
}
$term->resource (perl_ext_2 => $term->resource ("perl_ext_2") . ",-tabbedex");
};
push @urxvt::TERM_EXT, urxvt::ext::tabbedex::tab::;
my $term = new urxvt::term
$self->env, $urxvt::RXVTNAME,
-embed => $self->parent,
@argv;
}
sub configure {
my ($self) = @_;
my $tab = $self->{cur};
# this is an extremely dirty way to force a configurenotify, but who cares
$tab->XMoveResizeWindow (
$tab->parent,
0, $self->{tabheight} + 1,
$self->width, $self->height - $self->{tabheight}
);
$tab->XMoveResizeWindow (
$tab->parent,
0, $self->{tabheight},
$self->width, $self->height - $self->{tabheight}
);
}
sub copy_properties {
my ($self) = @_;
my $tab = $self->{cur};
my $wm_normal_hints = $self->XInternAtom ("WM_NORMAL_HINTS");
my $current = delete $self->{current_properties};
# pass 1: copy over properties different or nonexisting
for my $atom ($tab->XListProperties ($tab->parent)) {
my ($type, $format, $items) = $self->XGetWindowProperty ($tab->parent, $atom);
# fix up size hints
if ($atom == $wm_normal_hints) {
my (@hints) = unpack "l!*", $items;
$hints[$_] += $self->{tabheight} for (4, 6, 16);
$items = pack "l!*", @hints;
}
my $cur = delete $current->{$atom};
# update if changed, we assume empty items and zero type and format will not happen
$self->XChangeProperty ($self->parent, $atom, $type, $format, $items)
if $cur->[0] != $type or $cur->[1] != $format or $cur->[2] ne $items;
$self->{current_properties}{$atom} = [$type, $format, $items];
}
# pass 2, delete all extraneous properties
$self->XDeleteProperty ($self->parent, $_) for keys %$current;
}
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sub my_resource {
my $self = shift;
$self->x_resource ("tabbed.$_[0]");
}
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sub make_current {
my ($self, $tab) = @_;
if (my $cur = $self->{cur}) {
delete $cur->{lastActivity};
$cur->XUnmapWindow ($cur->parent) if $cur->mapped;
$cur->focus_out;
}
$self->{cur} = $tab;
$self->configure;
$self->copy_properties;
$tab->focus_out; # just in case, should be a nop
$tab->focus_in if $self->focus;
$tab->XMapWindow ($tab->parent);
delete $tab->{lastActivity};
$self->refresh;
();
}
sub on_focus_in {
my ($self, $event) = @_;
$self->{cur}->focus_in;
();
}
sub on_focus_out {
my ($self, $event) = @_;
$self->{cur}->focus_out;
();
}
sub on_key_press {
my ($self, $event) = @_;
$self->{cur}->key_press ($event->{state}, $event->{keycode}, $event->{time});
1;
}
sub on_key_release {
my ($self, $event) = @_;
$self->{cur}->key_release ($event->{state}, $event->{keycode}, $event->{time});
1;
}
sub on_button_release {
my ($self, $event) = @_;
if ($event->{row} == 0) {
my $col = $event->{col};
for my $button (@{ $self->{tabofs} }) {
last if $col < $button->[0];
next unless $col <= $button->[1];
if ($button->[2] == -1) {
$self->new_tab;
} else {
$self->make_current($self->{tabs}[$button->[2]]);
}
}
return 1;
}
();
}
sub on_init {
my ($self) = @_;
$self->{resource} = [map $self->resource ("+$_"), 0 .. urxvt::NUM_RESOURCES - 1];
$self->resource (int_bwidth => 0);
$self->resource (pty_fd => -1);
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$self->{option} = {};
for my $key (keys %urxvt::OPTION) {
$self->{option}{$key} = $self->option($urxvt::OPTION{$key});
}
# this is for the tabs terminal; order is important
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$self->option ($urxvt::OPTION{scrollBar}, 0);
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my $fg = $self->my_resource ("tabbar-fg");
my $bg = $self->my_resource ("tabbar-bg");
my $tabfg = $self->my_resource ("tab-fg");
my $tabbg = $self->my_resource ("tab-bg");
my $titfg = $self->my_resource ("title-fg");
my $titbg = $self->my_resource ("title-bg");
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defined $fg or $fg = 3;
defined $bg or $bg = 0;
defined $tabfg or $tabfg = 0;
defined $tabbg or $tabbg = 1;
defined $titfg or $titfg = 2;
defined $titbg or $titbg = 0;
$self->{rs_tabbar} = urxvt::SET_COLOR (urxvt::DEFAULT_RSTYLE, $fg + 2, $bg + 2);
$self->{rs_tab} = urxvt::SET_COLOR (urxvt::DEFAULT_RSTYLE, $tabfg + 2, $tabbg + 2);
$self->{rs_title} = urxvt::SET_COLOR (urxvt::DEFAULT_RSTYLE, $titfg + 2, $titbg + 2);
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my $timeouts = $self->my_resource ("tabbar-timeouts");
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$timeouts = '16:.:8:::4:+' unless defined $timeouts;
if ($timeouts ne '') {
my @timeouts;
while ($timeouts =~ /^(\d+):(.)(?::(.*))?$/) {
push @timeouts, [ int $1, $2 ];
$timeouts = defined $3 ? $3 : '';
}
if (@timeouts) {
$self->{timeouts} = [ sort { $b->[0] <=> $a-> [0] } @timeouts ];
}
}
$self->{new_button} =
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($self->my_resource ('new-button') or 'false') !~ /^(?:false|0|no)/i;
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$self->{tab_title} =
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($self->my_resource ('title') or 'true') !~ /^(?:false|0|no)/i;
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$self->{autohide} =
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($self->my_resource ('autohide') or 'false') !~ /^(?:false|0|no)/i;
$self->{no_default_keys} =
($self->my_resource ('no-tabbedex-keys') or 'false') !~ /^(?:false|0|no)/i;
$self->{reopen_on_close} =
($self->my_resource ('reopen-on-close') or 'false') !~ /^(?:false|0|no)/i;
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();
}
sub on_start {
my ($self) = @_;
$self->{maxtabheight} = $self->int_bwidth + $self->fheight + $self->lineSpace;
$self->{tabheight} = $self->{autohide} ? 0 : $self->{maxtabheight};
$self->{running_user_command} = 0;
$self->cmd_parse ("\033[?25l");
my @argv = $self->argv;
do {
shift @argv;
} while @argv && $argv[0] ne "-e";
if ($self->{tab_title}) {
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$self->{tab_title} = $self->{term}->XInternAtom("_NET_WM_NAME", 1);
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}
$self->new_tab (@argv);
if (defined $self->{timeouts}) {
my $interval = ($self->{timeouts}[@{ $self->{timeouts} } - 1]->[0]);
$interval = int($interval / 4);
$self->{timer} = urxvt::timer->new
->interval($interval < 1 ? 1 : $interval)
->cb ( sub { $self->refresh; } );
}
();
}
sub on_configure_notify {
my ($self, $event) = @_;
$self->configure;
$self->refresh;
();
}
sub on_user_command {
my ($self, $event) = @_;
$self->{cur}->{term}->{parent}->tab_user_command($self->{cur}, $event, 1);
();
}
sub on_wm_delete_window {
my ($self) = @_;
$_->destroy for @{ $self->{tabs} };
1;
}
sub tab_start {
my ($self, $tab) = @_;
$tab->XChangeInput ($tab->parent, urxvt::PropertyChangeMask);
push @{ $self->{tabs} }, $tab;
# $tab->{name} ||= scalar @{ $self->{tabs} };
$self->make_current ($tab);
();
}
sub tab_destroy {
my ($self, $tab) = @_;
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if ($self->{reopen_on_close} && $#{ $self->{tabs} } == 0) {
$self->new_tab;
$self->make_current ($self->{tabs}[-1]);
}
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$self->{tabs} = [ grep $_ != $tab, @{ $self->{tabs} } ];
$self->update_autohide ();
if (@{ $self->{tabs} }) {
if ($self->{cur} == $tab) {
delete $self->{cur};
$self->make_current ($self->{tabs}[-1]);
} else {
$self->refresh;
}
} else {
# delay destruction a tiny bit
$self->{destroy} = urxvt::iw->new->start->cb (sub { $self->destroy });
}
();
}
sub tab_key_press {
my ($self, $tab, $event, $keysym, $str) = @_;
# setting binding keys
#open FILE, ">/tmp/key.txt" or die $!;
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#printf FILE $keysym;
#close FILE;
if ($tab->{is_inputting_name}) {
if ($keysym == 0xff0d || $keysym == 0xff8d) { # enter
$tab->{name} = $tab->{new_name};
$tab->{is_inputting_name} = 0;
$self->update_autohide (1);
} elsif ($keysym == 0xff1b) { # escape
$tab->{name} = $tab->{old_name};
$tab->{is_inputting_name} = 0;
$self->update_autohide (1);
} elsif ($keysym == 0xff08) { # backspace
substr $tab->{new_name}, -1, 1, "";
$tab->{name} = "$tab->{new_name}█";
} elsif ($str !~ /[\x00-\x1f\x80-\xaf]/) {
$tab->{new_name} .= $str;
$tab->{name} = "$tab->{new_name}█";
}
$self->refresh;
return 1;
}
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return () if ($self->{no_default_keys});
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if ($event->{state} & urxvt::ControlMask) {
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if ($keysym == 0x004a || $keysym == 0x006a) {
if (@{ $self->{tabs} } > 1) {
$self->change_tab($tab, -1);
}
return 1;
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} elsif ($keysym == 0x004b || $keysym == 0x006b) {
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if (@{ $self->{tabs} } > 1) {
$self->change_tab($tab, 1);
}
return 1;
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} elsif ($keysym == 0x003b) {
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$self->new_tab;
return 1;
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} elsif ($keysym == 0xff52) {
$self->rename_tab($tab);
return 1;
} elsif ($keysym == 0x0047 || $keysym == 0x0067) {
$self->move_tab($tab, 1);
return 1;
} elsif ($keysym == 0x0048 || $keysym == 0x0068) {
$self->move_tab($tab, -1);
return 1;
} elsif ($keysym == 0x0044) {
$tab->destroy;
return 1;
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} elsif ($keysym == 0x0054 || $keysym == 0x0074) {
$tab->{is_inputting_name} = 1;
$tab->{old_name} = $tab->{name} ? $tab->{name} : "";
$tab->{new_name} = "";
$tab->{name} = "█";
$self->update_autohide (1);
$self->refresh;
return 1;
}
}
();
}
sub tab_property_notify {
my ($self, $tab, $event) = @_;
$self->copy_properties
if $event->{window} == $tab->parent;
();
}
sub tab_add_lines {
my ($self, $tab) = @_;
my $mark = $self->tab_activity_mark($tab);
$tab->{lastActivity} = int urxvt::NOW;
$self->refresh if $mark ne $self->tab_activity_mark($tab);
();
}
sub tab_user_command {
my ($self, $tab, $cmd, $proxy_events) = @_;
if ($cmd eq 'tabbedex:new_tab') {
$self->new_tab;
}
elsif ($cmd eq 'tabbedex:next_tab') {
$self->change_tab($tab, 1);
}
elsif ($cmd eq 'tabbedex:prev_tab') {
$self->change_tab($tab, -1);
}
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elsif ($cmd eq 'tabbedex:move_tab_left') {
$self->move_tab($tab, -1);
}
elsif ($cmd eq 'tabbedex:move_tab_right') {
$self->move_tab($tab, 1);
}
elsif ($cmd eq 'tabbedex:rename_tab') {
$self->rename_tab($tab);
}
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else {
# Proxy the user command through to the tab's term, while taking care not
# to get caught in an infinite loop.
if ($proxy_events && $self->{running_user_command} == 0) {
$self->{running_user_command} = 1;
urxvt::invoke($tab->{term}, 20, $cmd);
$self->{running_user_command} = 0;
}
}
();
}
sub change_tab {
my ($self, $tab, $direction) = @_;
my $idx = 0;
++$idx while $self->{tabs}[$idx] != $tab;
$idx += $direction;
$self->make_current ($self->{tabs}[$idx % @{ $self->{tabs}}]);
();
}
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sub move_tab {
my ($self, $tab, $direction) = @_;
if (@{ $self->{tabs} } > 1) {
my $idx1 = 0;
++$idx1 while $self->{tabs}[$idx1] != $tab;
my $idx2 = ($idx1 + $direction) % @{ $self->{tabs} };
($self->{tabs}[$idx1], $self->{tabs}[$idx2]) =
($self->{tabs}[$idx2], $self->{tabs}[$idx1]);
$self->make_current ($self->{tabs}[$idx2]);
}
();
}
sub rename_tab {
my ($self, $tab) = @_;
$tab->{is_inputting_name} = 1;
$tab->{old_name} = $tab->{name} ? $tab->{name} : "";
$tab->{new_name} = "";
$tab->{name} = "█";
$self->update_autohide (1);
$self->refresh;
();
}
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package urxvt::ext::tabbedex::tab;
# helper extension implementing the subwindows of a tabbed terminal.
# simply proxies all interesting calls back to the tabbedex class.
{
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for my $hook (qw(start destroy user_command key_press property_notify add_lines)) {
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eval qq{
sub on_$hook {
my \$parent = \$_[0]{term}{parent}
or return;
\$parent->tab_$hook (\@_)
}
};
die if $@;
}
}