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# See http://wouter.coekaerts.be/site/irssi/mouse
# based on irssi mouse patch by mirage: http://darksun.com.pt/mirage/irssi/
# Copyright (C) 2005-2009 Wouter Coekaerts <wouter@coekaerts.be>
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
use strict;
use Irssi qw(signal_emit settings_get_str active_win signal_stop settings_add_str settings_add_bool settings_get_bool signal_add signal_add_first);
use Math::Trig;
use vars qw($VERSION %IRSSI);
$VERSION = '1.1.2';
%IRSSI = (
authors => 'Wouter Coekaerts',
contact => 'wouter@coekaerts.be',
name => 'mouse',
description => 'control irssi using mouse clicks and gestures',
license => 'GPLv2 or later',
url => 'http://wouter.coekaerts.be/irssi/',
changed => '2021-03-05',
);
my @BUTTONS = ('', '_middle', '_right');
my $mouse_xterm_status = -1; # -1:off 0,1,2:filling mouse_xterm_combo
my @mouse_xterm_combo = (3, 0, 0); # 0:button 1:x 2:y
my @mouse_xterm_previous; # previous contents of mouse_xterm_combo
sub mouse_enable {
print STDERR "\e[?1000h"; # start tracking
}
sub mouse_disable {
print STDERR "\e[?1000l"; # stop tracking
}
# Handle mouse event (button press or release)
sub mouse_event {
my ($b, $x, $y, $oldb, $oldx, $oldy) = @_;
my ($xd, $yd);
my ($distance, $angle);
# uhm, in the patch the scrollwheel didn't work for me, but this does:
if ($b == 64) {
cmd("mouse_scroll_up");
} elsif ($b == 65) {
cmd("mouse_scroll_down")
}
# proceed only if a button is being released
return if ($b != 3);
return unless (0 <= $oldb && $oldb <= 2);
my $button = $BUTTONS[$oldb];
# if it was a mouse click of the left button (press and release in the same position)
if ($x == $oldx && $y == $oldy) {
cmd("mouse" . $button . "_click");
return;
}
# otherwise, find mouse gestures
$xd = $x - $oldx;
$yd = -1 * ($y - $oldy);
$distance = sqrt($xd*$xd + $yd*$yd);
# ignore small gestures
if ($distance < 3) {
return;
}
$angle = asin($yd/$distance) * 180 / 3.14159265358979;
if ($angle < 20 && $angle > -20 && $xd > 0) {
if ($distance <= 40) {
cmd("mouse" . $button . "_gesture_right");
} else {
cmd("mouse" . $button . "_gesture_bigright");
}
} elsif ($angle < 20 && $angle > -20 && $xd < 0) {
if ($distance <= 40) {
cmd("mouse" . $button . "_gesture_left");
} else {
cmd("mouse" . $button . "_gesture_bigleft");
}
} elsif ($angle > 40) {
cmd("mouse" . $button . "_gesture_up");
} elsif ($angle < -40) {
cmd("mouse" . $button . "_gesture_down");
}
}
# executes the command configured in the given setting
sub cmd
{
my ($setting) = @_;
signal_emit("send command", settings_get_str($setting), active_win->{'active_server'}, active_win->{'active'});
}
signal_add_first("gui key pressed", sub {
my ($key) = @_;
if ($mouse_xterm_status != -1) {
if ($mouse_xterm_status == 0 && ($mouse_xterm_previous[0] != $mouse_xterm_combo[0])) { # if combo is starting, and previous what not a move (button not changed)
@mouse_xterm_previous = @mouse_xterm_combo;
}
$mouse_xterm_combo[$mouse_xterm_status] = $key-32;
$mouse_xterm_status++;
if ($mouse_xterm_status == 3) {
$mouse_xterm_status = -1;
# match screen coordinates
$mouse_xterm_combo[1]--;
$mouse_xterm_combo[2]--;
mouse_event($mouse_xterm_combo[0], $mouse_xterm_combo[1], $mouse_xterm_combo[2], $mouse_xterm_previous[0], $mouse_xterm_previous[1], $mouse_xterm_previous[2]);
}
signal_stop();
}
});
sub UNLOAD {
mouse_disable();
}
if ($ENV{"TERM"} !~ /^rxvt|screen|xterm|tmux(-(256)?(color|kitty))?$/) {
die "Your terminal doesn't seem to support this.";
}
mouse_enable();
Irssi::command("/^bind meta-[M /mouse_xterm"); # FIXME evil
Irssi::command_bind("mouse_xterm", sub {$mouse_xterm_status = 0;});
Irssi::command_bind 'mouse' => sub {
my ($data, $server, $item) = @_;
$data =~ s/\s+$//g;
Irssi::command_runsub('mouse', $data, $server, $item);
};
# temporarily disable mouse handling. Useful for copy-pasting without touching the keyboard (pressing shift)
Irssi::command_bind 'mouse tempdisable' => sub {
my ($data, $server, $item) = @_;
my $seconds = ($data eq '') ? 5 : $data; # optional argument saying how many seconds, defaulting to 5
mouse_disable();
Irssi::timeout_add_once($seconds * 1000, 'mouse_enable', undef); # turn back on after $second seconds
};
for my $button (@BUTTONS) {
settings_add_str("lookandfeel", "mouse" . $button . "_click", "/mouse tempdisable 5");
settings_add_str("lookandfeel", "mouse" . $button . "_gesture_up", "/window last");
settings_add_str("lookandfeel", "mouse" . $button . "_gesture_down", "/window goto active");
settings_add_str("lookandfeel", "mouse" . $button . "_gesture_left", "/window prev");
settings_add_str("lookandfeel", "mouse" . $button . "_gesture_bigleft", "/eval window prev;window prev");
settings_add_str("lookandfeel", "mouse" . $button . "_gesture_right", "/window next");
settings_add_str("lookandfeel", "mouse" . $button . "_gesture_bigright", "/eval window next;window next");
}
settings_add_str("lookandfeel", "mouse_scroll_up", "/scrollback goto -10");
settings_add_str("lookandfeel", "mouse_scroll_down", "/scrollback goto +10");
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