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-rw-r--r--undo/kill-ring.pl129
-rw-r--r--undo/undo.pl134
2 files changed, 263 insertions, 0 deletions
diff --git a/undo/kill-ring.pl b/undo/kill-ring.pl
new file mode 100644
index 0000000..c3600a6
--- /dev/null
+++ b/undo/kill-ring.pl
@@ -0,0 +1,129 @@
+# DOCUMENTATION:
+#
+#
+#
+#
+# LICENCE:
+#
+# Copyright (c) 2011 Tom Feist <shabble+irssi@metavore.org>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+
+use strict;
+use warnings;
+
+use Irssi;
+use Irssi::Irc;
+use Irssi::TextUI;
+
+use Data::Dumper;
+
+our $VERSION = '0.1';
+our %IRSSI = (
+ authors => 'shabble',
+ contact => 'shabble+irssi@metavore.org',
+ name => 'kill-ring',
+ description => 'keeps track of changes to the cutbuffer'
+ . ' and allows you to cycle through them',
+ license => 'MIT',
+ updated => '$DATE'
+ );
+
+my @cut_buf_history;
+
+sub cut_buffer_init {
+ Irssi::signal_add_first('gui key pressed' => \&sig_cmd_undo);
+ Irssi::command_bind('cut_buf_cycle' => \&cmd_cut_buf_cycle);
+}
+
+sub add_to_history {
+ my ($str) = @_;
+
+ return unless defined $str;
+
+ my $head = $cut_buf_history[-1];
+
+ if (defined $head and $str ne $head) {
+ push @cut_buf_history, $str;
+ } elsif (not defined $head) {
+ push @cut_buf_history, $str;
+ }
+
+ # enforce maximum size
+ # TODO: make this a setting?
+
+ if (@cut_buf_history > 100) {
+ shift @cut_buf_history;
+ }
+}
+
+sub cmd_cut_buf_cycle {
+ print '%_Cut buffer contains:%_';
+ foreach my $buf (@cut_buf_history) {
+ print "$buf"
+ }
+}
+
+sub sig_cmd_undo {
+ my ($key) = @_;
+ add_to_history(_cut_buf());
+}
+
+sub _cut_buf {
+ return Irssi::parse_special('$U', 0, 0);
+}
+
+sub _input {
+ my ($data) = @_;
+
+ my $current_data = Irssi::parse_special('$L', 0, 0);
+
+ # TODO: set this back up.
+
+ # if ($settings->{utf8}->{value}) {
+ # $current_data = decode_utf8($current_data);
+ # }
+
+ if (defined $data) {
+ # if ($settings->{utf8}->{value}) {
+ # Irssi::gui_input_set(encode_utf8($data));
+ # } else {
+ Irssi::gui_input_set($data);
+ #}
+ } else {
+ $data = $current_data;
+ }
+
+ return $data;
+}
+
+sub _input_pos {
+ my ($pos) = @_;
+ my $cur_pos = Irssi::gui_input_get_pos();
+ if (defined $pos) {
+ Irssi::gui_input_set_pos($pos) if $pos != $cur_pos;
+ } else {
+ $pos = $cur_pos;
+ }
+
+ return $pos;
+}
+
+cut_buffer_init();
diff --git a/undo/undo.pl b/undo/undo.pl
new file mode 100644
index 0000000..5daa16e
--- /dev/null
+++ b/undo/undo.pl
@@ -0,0 +1,134 @@
+# LICENCE:
+#
+# Copyright (c) 2011 Tom Feist <shabble+irssi@metavore.org>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+
+# TODO: attempt to create an undo function for short-term history in
+# the input-bar.
+
+use strict;
+use warnings;
+
+use Irssi;
+use Irssi::Irc;
+use Irssi::TextUI;
+
+use Data::Dumper;
+
+our $VERSION = '0.1';
+our %IRSSI = (
+ authors => 'shabble',
+ contact => 'shabble+irssi@metavore.org',
+ name => '',
+ description => '',
+ license => 'MIT',
+ );
+
+my @undo_list;
+
+sub undo_init {
+ Irssi::signal_add_first('gui key pressed' => \&sig_cmd_undo);}
+}
+
+sub add_to_undo {
+ my ($str, $pos) = @_;
+
+ return unless defined $str and defined $pos;
+
+ my $undo_head = $undo_list[-1];
+
+ if (ref $undo_head) {
+ if ($str ne $undo_head->{str} && $pos != $undo_head->{pos}) {
+ push @undo_list, { str => $str, pos => $pos };
+ }
+ } else {
+ push @undo_list, { str => $str, pos => $pos };
+ }
+
+ # enforce maximum size
+ # TODO: make this a setting?
+
+ if (@undo_list > 100) {
+ shift @undo_list;
+ }
+}
+
+sub sig_cmd_undo {
+ my ($key) = @_;
+
+ if ($key == 10) {
+ @undo_list = ();
+ return;
+ } elsif ($key != 28) {
+ add_to_undo(_input(), _input_pos());
+ return;
+ }
+
+ Irssi::signal_stop();
+
+ my $prev_state = pop @undo_list;
+
+ if (not defined $prev_state) {
+ print "No further undo";
+ return;
+ }
+
+ _input($prev_state->{str});
+ _input_pos($prev_state->{pos});
+}
+
+sub _input {
+ my ($data) = @_;
+
+ my $current_data = Irssi::parse_special('$L', 0, 0);
+
+ # TODO: set this back up.
+
+ # if ($settings->{utf8}->{value}) {
+ # $current_data = decode_utf8($current_data);
+ # }
+
+ if (defined $data) {
+ # if ($settings->{utf8}->{value}) {
+ # Irssi::gui_input_set(encode_utf8($data));
+ # } else {
+ Irssi::gui_input_set($data);
+ #}
+ } else {
+ $data = $current_data;
+ }
+
+ return $data;
+}
+
+sub _input_pos {
+ my ($pos) = @_;
+ my $cur_pos = Irssi::gui_input_get_pos();
+ if (defined $pos) {
+ Irssi::gui_input_set_pos($pos) if $pos != $cur_pos;
+ } else {
+ $pos = $cur_pos;
+ }
+
+ return $pos;
+}
+
+undo_init();
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