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3 | # this extension implements scrollback buffer search |
3 | # this extension implements scrollback buffer search |
4 | |
4 | |
5 | sub on_init { |
5 | sub on_init { |
6 | my ($self) = @_; |
6 | my ($self) = @_; |
7 | |
7 | |
8 | my $hotkey = $self->{argv}[0] || "M-s"; |
8 | my $hotkey = $self->{argv}[0] |
|
|
9 | || $self->x_resource ("searchable-scrollback") |
|
|
10 | || "M-s"; |
9 | |
11 | |
10 | $self->parse_keysym ($hotkey, "perl:searchable-scrollback:enter") |
12 | $self->parse_keysym ($hotkey, "perl:searchable-scrollback:start") |
11 | or warn "unable to register '$hotkey' as scrollback search enter hotkey\n"; |
13 | or warn "unable to register '$hotkey' as scrollback search start hotkey\n"; |
12 | |
14 | |
13 | () |
15 | () |
14 | } |
16 | } |
15 | |
17 | |
16 | sub on_keyboard_command { |
18 | sub on_user_command { |
17 | my ($self, $cmd) = @_; |
19 | my ($self, $cmd) = @_; |
18 | |
20 | |
19 | if ($cmd eq "searchable-scrollback:enter") { |
21 | $cmd eq "searchable-scrollback:start" |
20 | $self->enter; |
22 | and $self->enter; |
21 | } |
|
|
22 | |
23 | |
23 | () |
24 | () |
24 | } |
25 | } |
25 | |
26 | |
26 | sub msg { |
27 | sub msg { |
… | |
… | |
33 | sub enter { |
34 | sub enter { |
34 | my ($self) = @_; |
35 | my ($self) = @_; |
35 | |
36 | |
36 | return if $self->{overlay}; |
37 | return if $self->{overlay}; |
37 | |
38 | |
|
|
39 | $self->{view_start} = $self->view_start; |
38 | $self->{pty_ev_events} = $self->pty_ev_events (urxvt::EVENT_NONE); |
40 | $self->{pty_ev_events} = $self->pty_ev_events (urxvt::EVENT_NONE); |
39 | $self->{view_start} = $self->view_start; |
41 | $self->{row} = $self->nrow - 1; |
|
|
42 | $self->{search} = "(?i)"; |
40 | |
43 | |
41 | $self->enable ( |
44 | $self->enable ( |
|
|
45 | key_press => \&key_press, |
|
|
46 | tt_write => \&tt_write, |
42 | refresh_begin => sub { |
47 | refresh_begin => \&refresh, |
43 | warn "beg(@_)\n"; |
48 | refresh_end => \&refresh, |
44 | }, |
|
|
45 | refresh_end => sub { |
|
|
46 | warn "end(@_)\n"; |
|
|
47 | }, |
|
|
48 | ); |
49 | ); |
|
|
50 | |
|
|
51 | $self->{manpage_overlay} = $self->overlay (0, -2, $self->ncol, 1, urxvt::OVERLAY_RSTYLE, 0); |
|
|
52 | $self->{manpage_overlay}->set (0, 0, "scrollback search, see the ${urxvt::RXVTNAME}perl manpage for details"); |
49 | |
53 | |
50 | $self->idle; |
54 | $self->idle; |
51 | } |
55 | } |
52 | |
56 | |
53 | sub leave { |
57 | sub leave { |
54 | my ($self) = @_; |
58 | my ($self) = @_; |
55 | |
59 | |
|
|
60 | $self->disable ("key_press", "tt_write", "refresh_begin", "refresh_end"); |
|
|
61 | $self->pty_ev_events ($self->{pty_ev_events}); |
|
|
62 | |
|
|
63 | delete $self->{manpage_overlay}; |
56 | delete $self->{overlay}; |
64 | delete $self->{overlay}; |
57 | |
65 | delete $self->{history}; |
58 | $self->disable ("refresh_begin", "refresh_end"); |
66 | delete $self->{search}; |
59 | |
|
|
60 | $self->pty_ev_events ($self->{pty_ev_events}); |
|
|
61 | $self->want_refresh; |
|
|
62 | } |
67 | } |
63 | |
68 | |
64 | sub idle { |
69 | sub idle { |
65 | my ($self) = @_; |
70 | my ($self) = @_; |
66 | |
71 | |
67 | $self->msg ("scrollback search, escape=exit, enter=accept, /=start search, n=next, p=previous"); |
72 | $self->msg ("(escape cancels) /$self->{search}█"); |
68 | |
|
|
69 | delete $self->{in_search}; |
|
|
70 | } |
73 | } |
71 | |
74 | |
72 | sub search { |
75 | sub search { |
73 | my ($self) = @_; |
76 | my ($self, $dir) = @_; |
74 | |
|
|
75 | my $row = -$self->view_start; |
|
|
76 | |
77 | |
77 | delete $self->{found}; |
78 | delete $self->{found}; |
|
|
79 | my $row = $self->{row}; |
|
|
80 | |
|
|
81 | my $search = $self->special_encode ($self->{search}); |
78 | |
82 | |
79 | no re 'eval'; # just to be sure |
83 | no re 'eval'; # just to be sure |
80 | my $re = qr/$self->{search}/; |
84 | if (my $re = eval { qr/$search/ }) { |
|
|
85 | while ($self->nrow > $row && $row > $self->top_row) { |
|
|
86 | my $line = $self->line ($row) |
|
|
87 | or last; |
81 | |
88 | |
82 | while ($row > -$self->nsaved) { |
89 | my $text = $line->t; |
83 | my $line = $self->line ($row) |
90 | if ($text =~ /$re/g) { |
84 | or last; |
91 | do { |
|
|
92 | push @{ $self->{found} }, [$line->coord_of ($-[0]), $line->coord_of ($+[0])]; |
|
|
93 | } while $text =~ /$re/g; |
85 | |
94 | |
86 | my $text = $line->t; |
95 | $self->{row} = $row; |
87 | if ($text =~ /$re/g) { |
96 | $self->view_start (List::Util::min 0, $row - ($self->nrow >> 1)); |
|
|
97 | $self->want_refresh; |
|
|
98 | last; |
88 | do { |
99 | } |
89 | push @{ $self->{found} }, [$line->coord_of ($-[0]), $line->coord_of ($+[1])]; |
|
|
90 | } while $text =~ /$re/g; |
|
|
91 | |
100 | |
92 | $self->view_start (-$row + ($self->nrow >> 1)); |
101 | $row = $dir < 0 ? $line->beg - 1 : $line->end + 1; |
93 | last; |
|
|
94 | } |
102 | } |
95 | |
|
|
96 | $row = $line->beg - 1; |
|
|
97 | } |
103 | } |
98 | |
104 | |
99 | $self->msg ("enter/type/backspace: /$self->{search}_" |
|
|
100 | . ($self->{found} ? " (not found)" : "")); |
|
|
101 | $self->scr_bell unless $self->{found}; |
105 | $self->scr_bell unless $self->{found}; |
102 | } |
106 | } |
103 | |
107 | |
|
|
108 | sub refresh { |
|
|
109 | my ($self) = @_; |
|
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110 | |
|
|
111 | return unless $self->{found}; |
|
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112 | |
|
|
113 | my $xor = urxvt::RS_RVid | urxvt::RS_Blink; |
|
|
114 | for (@{ $self->{found} }) { |
|
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115 | $self->scr_xor_span (@$_, $xor); |
|
|
116 | $xor = urxvt::RS_RVid; |
|
|
117 | } |
|
|
118 | |
|
|
119 | () |
|
|
120 | } |
|
|
121 | |
104 | sub on_key_press { |
122 | sub key_press { |
105 | my ($self, $event, $keysym, $string) = @_; |
123 | my ($self, $event, $keysym, $string) = @_; |
106 | |
124 | |
107 | $self->{overlay} |
125 | delete $self->{manpage_overlay}; |
108 | or return; |
|
|
109 | |
126 | |
110 | if (exists $self->{in_search}) { |
|
|
111 | if ($keysym == 0xff0d || $keysym == 0xff8d) { |
127 | if ($keysym == 0xff0d || $keysym == 0xff8d) { # enter |
112 | delete $self->{in_search}; |
128 | if ($self->{found}) { |
113 | } elsif ($keysym == 0xff1b) { |
129 | my ($br, $bc, $er, $ec) = @{ $self->{found}[0] }; |
114 | $self->view_start (delete $self->{in_search}); |
130 | $self->selection_beg ($br, $bc); |
115 | } elsif ($keysym == 0xff08) { |
131 | $self->selection_end ($er, $ec); |
116 | substr $self->{search}, -1, 1, ""; |
132 | $self->selection_make ($event->{time}); |
117 | } elsif ($string ne "") { |
|
|
118 | $self->{search} .= $string; |
|
|
119 | } |
133 | } |
120 | |
134 | $self->leave; |
|
|
135 | } elsif ($keysym == 0xff1b) { # escape |
|
|
136 | $self->view_start ($self->{view_start}); |
|
|
137 | $self->leave; |
|
|
138 | } elsif ($keysym == 0xff57) { # end |
|
|
139 | $self->{row} = $self->nrow - 1; |
|
|
140 | $self->view_start (0); |
|
|
141 | } elsif ($keysym == 0xff52) { # up |
|
|
142 | $self->{row}-- if $self->{row} > $self->top_row; |
|
|
143 | $self->search (-1); |
|
|
144 | } elsif ($keysym == 0xff54) { # down |
|
|
145 | $self->{row}++ if $self->{row} < $self->nrow; |
|
|
146 | $self->search (+1); |
|
|
147 | } elsif ($keysym == 0xff08) { # backspace |
|
|
148 | substr $self->{search}, -1, 1, ""; |
121 | $self->search; |
149 | $self->search; |
122 | } else { |
|
|
123 | if ($keysym == 0xff0d || $keysym == 0xff8d) { |
|
|
124 | # OK |
|
|
125 | $self->leave; |
150 | $self->idle; |
126 | } elsif ($keysym == 0xff1b) { |
151 | } elsif ($string !~ /[\x00-\x1f\x80-\xaf]/) { |
127 | $self->view_start ($self->{view_start}); |
152 | return; # pass to tt_write |
128 | $self->leave; |
|
|
129 | } elsif ($keysym == 0xff52) { |
|
|
130 | $self->view_start ($self->view_start + 1); |
|
|
131 | } elsif ($keysym == 0xff54) { |
|
|
132 | $self->view_start ($self->view_start - 1); |
|
|
133 | } elsif ($string eq "/") { |
|
|
134 | $self->{in_search} = $self->view_start; |
|
|
135 | $self->search; |
|
|
136 | } elsif ($string eq "n") { |
|
|
137 | } elsif ($string eq "p") { |
|
|
138 | } elsif ($string ne "") { |
|
|
139 | $self->scr_bell; |
|
|
140 | } |
|
|
141 | } |
153 | } |
142 | |
154 | |
143 | 1 |
155 | 1 |
144 | } |
156 | } |
145 | |
157 | |
|
|
158 | sub tt_write { |
|
|
159 | my ($self, $data) = @_; |
146 | |
160 | |
|
|
161 | $self->{search} .= $self->locale_decode ($data); |
|
|
162 | |
|
|
163 | $self->{search} =~ s/^\(\?i\)// |
|
|
164 | if $self->{search} =~ /^\(.*[[:upper:]]/; |
|
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165 | |
|
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166 | $self->search (-1); |
|
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167 | $self->idle; |
|
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168 | |
|
|
169 | 1 |
|
|
170 | } |
|
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171 | |
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172 | |