renamed prompt_replace to uberprompt

1 files changed, 195 insertions, 0 deletions

diff --git a/prompt_info/uberprompt.pl b/prompt_info/uberprompt.pl
new file mode 100644
index 0000000..c9bfcc8
--- /dev/null
+++ b/prompt_info/uberprompt.pl
@@ -0,0 +1,195 @@
+use strict;
+use warnings;
+
+use Irssi;
+use Irssi::TextUI;              # for sbar_items_redraw
+use Data::Dumper;
+
+
+
+our $VERSION = "0.1";
+our %IRSSI =
+  (
+   authors         => "shabble",
+   contact         => 'shabble+irssi@metavore.org, shabble@#irssi/Freenode',
+   name            => "prompt_info",
+   description     => "Helper script for dynamically adding text "
+   . "into the input-bar prompt.",
+   license         => "Public Domain",
+   changed         => "24/7/2010"
+  );
+
+sub DEBUG () { 1 }
+#sub DEBUG () { 0 }
+
+my $prompt_data = undef;
+my $prompt_item = undef;
+
+my $prompt_format = '';
+
+init();
+
+
+sub prompt_subcmd_handler {
+    my ($data, $server, $item) = @_;
+    $data =~ s/\s+$//g; # strip trailing whitespace.
+    Irssi::command_runsub('prompt', $data, $server, $item);
+}
+
+sub init {
+
+    Irssi::statusbar_item_register('uberprompt', 0, 'uberprompt_draw');
+
+    Irssi::settings_add_str('uberprompt', 'uberprompt_format', '[$*] ');
+
+    Irssi::command_bind("prompt",     \&prompt_subcmd_handler);
+    Irssi::command_bind('prompt on',  \&replace_prompt_items);
+    Irssi::command_bind('prompt off', \&restore_prompt_items);
+    Irssi::command_bind('prompt set',
+                        sub { Irssi::signal_emit 'change prompt', shift; });
+    Irssi::command_bind('prompt clear',
+                        sub { Irssi::signal_emit 'change prompt', '$p'; });
+
+    Irssi::signal_add('setup changed', \&reload_settings);
+
+    # intialise the prompt format.
+    reload_settings();
+
+    # install our statusbars.
+    replace_prompt_items();
+
+    # the actual API signal.
+    Irssi::signal_register({'change prompt' => [qw/string/]});
+    Irssi::signal_add('change prompt' => \&change_prompt_sig);
+}
+
+sub change_prompt_sig {
+    my ($text) = @_;
+
+    # TODO: mroe intelligence about where to insert $p?
+    $text = '$p' . $text;
+    print "Got prompt change sig with: $text" if DEBUG;
+
+    my $changed;
+    $changed = defined $prompt_data ? $prompt_data ne $text : 1;
+
+    $prompt_data = $text;
+
+    if ($changed) {
+        print "Redrawing prompt" if DEBUG;
+        uberprompt_refresh();
+    }
+}
+
+sub UNLOAD {
+    # remove uberprompt and return the original ones.
+    print "Removing uberprompt and restoring original";
+    restore_prompt_items();
+}
+
+sub reload_settings {
+    my $new = Irssi::settings_get_str('uberprompt_format');
+    if ($prompt_format ne $new) {
+        print "Updated prompt format" if DEBUG;
+        $prompt_format = $new;
+        Irssi::abstracts_register(['uberprompt', $prompt_format]);
+    }
+}
+
+sub uberprompt_draw {
+    my ($sb_item, $get_size_only) = @_;
+
+    my $default_prompt = '';
+
+    my $window = Irssi::active_win;
+
+    # hack to produce the same defaults as prompt/prompt_empty sbars.
+
+    if (scalar( () = $window->items )) {
+        $default_prompt = '{uberprompt $[.15]itemname}';
+    } else {
+        $default_prompt = '{uberprompt $winname}';
+    }
+
+    my $p_copy = $prompt_data;
+
+    if (defined $prompt_data) {
+        # replace the special marker '$p' with the original prompt.
+        $p_copy =~ s/\$p/$default_prompt/;
+    } else {
+        $p_copy = $default_prompt;
+    }
+    $p_copy =~ s/\$/\$\$/g; # escape all $ symbols
+    $p_copy =~ s/\\/\\\\/g; # escape backslashes.
+
+    print "Redrawing with: $p_copy, size-only: $get_size_only" if DEBUG;
+
+    $prompt_item = $sb_item;
+
+    my $ret = $sb_item->default_handler($get_size_only, $p_copy, '', 0);
+
+    return $ret;
+}
+
+
+sub uberprompt_refresh {
+    Irssi::statusbar_items_redraw('uberprompt');
+}
+
+
+sub cmd_clear_visual {
+    _clear_visual_region();
+    #refresh_visual_overlay();
+    Irssi::statusbar_items_redraw('input');
+}
+
+
+sub replace_prompt_items {
+    # remove existing ones.
+    print "Removing original prompt" if DEBUG;
+
+    _sbar_command('prompt', 'remove', 'prompt');
+    _sbar_command('prompt', 'remove', 'prompt_empty');
+
+    # add the new one.
+
+    _sbar_command('prompt', 'add', 'uberprompt',
+                  qw/-alignment left -before input -priority '-1'/);
+
+    _sbar_command('prompt', 'position', '100');
+}
+
+sub restore_prompt_items {
+
+    _sbar_command('prompt', 'remove', 'uberprompt');
+
+    print "Restoring original prompt" if DEBUG;
+
+    _sbar_command('prompt', 'add', 'prompt',
+                  qw/-alignment left -before input -priority '-1'/);
+    _sbar_command('prompt', 'add', 'prompt_empty',
+                  qw/-alignment left -after prompt -priority '-1'/);
+
+    _sbar_command('prompt', 'position', '100');
+
+}
+
+sub _sbar_command {
+    my ($bar, $cmd, $item, @args) = @_;
+
+    my $args_str = join ' ', @args;
+
+    $args_str .= ' ' if length $args_str && defined $item;
+
+    my $command = sprintf 'STATUSBAR %s %s %s%s',
+      $bar, $cmd, $args_str, defined($item)?$item:'';
+
+    print "Running command: $command" if DEBUG;
+    Irssi::command($command);
+}
+
+
+
+# bit of fakery so things don't complain about the lack of prompt_info (hoepfully)
+
+%Irssi::Script::prompt_info:: = ();