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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:start") |
12 | $self->parse_keysym ($hotkey, "perl:searchable-scrollback:start") |
11 | or warn "unable to register '$hotkey' as scrollback search start hotkey\n"; |
13 | or warn "unable to register '$hotkey' as scrollback search start hotkey\n"; |
12 | |
14 | |
13 | () |
15 | () |
14 | } |
16 | } |
15 | |
17 | |
16 | sub on_keyboard_command { |
18 | sub on_keyboard_command { |
17 | my ($self, $cmd) = @_; |
19 | my ($self, $cmd) = @_; |
18 | |
20 | |
19 | if ($cmd eq "searchable-scrollback:start") { |
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; |
40 | |
42 | |
41 | $self->enable ( |
43 | $self->enable ( |
42 | key_press => \&key_press, |
44 | key_press => \&key_press, |
|
|
45 | tt_write => \&tt_write, |
43 | refresh_begin => \&refresh, |
46 | refresh_begin => \&refresh, |
44 | refresh_end => \&refresh, |
47 | refresh_end => \&refresh, |
45 | ); |
48 | ); |
|
|
49 | |
|
|
50 | $self->{manpage_overlay} = $self->overlay (0, -2, $self->ncol, 1, urxvt::OVERLAY_RSTYLE, 0); |
|
|
51 | $self->{manpage_overlay}->set (0, 0, "scrollback search, see the ${urxvt::RXVTNAME}perl manpage for details"); |
46 | |
52 | |
47 | $self->idle; |
53 | $self->idle; |
48 | } |
54 | } |
49 | |
55 | |
50 | sub leave { |
56 | sub leave { |
51 | my ($self) = @_; |
57 | my ($self) = @_; |
52 | |
58 | |
|
|
59 | $self->disable ("key_press", "tt_write", "refresh_begin", "refresh_end"); |
|
|
60 | $self->pty_ev_events ($self->{pty_ev_events}); |
|
|
61 | |
|
|
62 | delete $self->{manpage_overlay}; |
53 | delete $self->{overlay}; |
63 | delete $self->{overlay}; |
54 | |
64 | delete $self->{history}; |
55 | $self->disable ("key_press", "refresh_begin", "refresh_end"); |
65 | delete $self->{search}; |
56 | |
|
|
57 | $self->pty_ev_events ($self->{pty_ev_events}); |
|
|
58 | $self->want_refresh; |
|
|
59 | } |
66 | } |
60 | |
67 | |
61 | sub idle { |
68 | sub idle { |
62 | my ($self) = @_; |
69 | my ($self) = @_; |
63 | |
70 | |
64 | $self->msg ("scrollback search, escape=exit, enter=accept, /=start search, n=next, p=previous, G=bottom"); |
71 | $self->msg ("(escape cancels) /$self->{search}█"); |
65 | |
|
|
66 | delete $self->{in_search}; |
|
|
67 | } |
72 | } |
68 | |
73 | |
69 | sub search { |
74 | sub search { |
70 | my ($self, $offset) = @_; |
75 | my ($self, $dir) = @_; |
71 | |
|
|
72 | my $row = -$self->view_start + ($self->nrow >> 1) + $offset; |
|
|
73 | |
76 | |
74 | delete $self->{found}; |
77 | delete $self->{found}; |
|
|
78 | my $row = $self->{row}; |
|
|
79 | |
|
|
80 | my $search = $self->special_encode ($self->{search}); |
75 | |
81 | |
76 | no re 'eval'; # just to be sure |
82 | no re 'eval'; # just to be sure |
77 | my $re = qr/$self->{search}/; |
83 | my $re = qr/$search/; |
78 | |
84 | |
79 | while ($row > -$self->nsaved) { |
85 | while ($self->nrow > $row && $row > -$self->nsaved) { |
80 | my $line = $self->line ($row) |
86 | my $line = $self->line ($row) |
81 | or last; |
87 | or last; |
82 | |
88 | |
83 | my $text = $line->t; |
89 | my $text = $line->t; |
84 | if ($text =~ /$re/g) { |
90 | if ($text =~ /$re/g) { |
85 | do { |
91 | do { |
86 | push @{ $self->{found} }, [$line->coord_of ($-[0]), $line->coord_of ($+[0])]; |
92 | push @{ $self->{found} }, [$line->coord_of ($-[0]), $line->coord_of ($+[0])]; |
87 | } while $text =~ /$re/g; |
93 | } while $text =~ /$re/g; |
88 | |
94 | |
|
|
95 | $self->{row} = $row; |
89 | $self->view_start (-$row + ($self->nrow >> 1)); |
96 | $self->view_start (-$row + ($self->nrow >> 1)); |
|
|
97 | $self->want_refresh; |
90 | last; |
98 | last; |
91 | } |
99 | } |
92 | |
100 | |
93 | $row = $line->beg - 1; |
101 | $row = $dir < 0 ? $line->beg - 1 : $line->end + 1; |
94 | } |
102 | } |
95 | |
103 | |
96 | $self->msg ("enter/type/backspace: /$self->{search}_" |
|
|
97 | . ($self->{found} ? "" : " (not found)")); |
|
|
98 | $self->scr_bell unless $self->{found}; |
104 | $self->scr_bell unless $self->{found}; |
99 | } |
105 | } |
100 | |
106 | |
101 | sub refresh { |
107 | sub refresh { |
102 | my ($self) = @_; |
108 | my ($self) = @_; |
103 | |
109 | |
104 | return unless $self->{found}; |
110 | my $xor = urxvt::RS_RVid | urxvt::RS_Uline; |
105 | |
|
|
106 | $self->scr_xor_span (@$_, urxvt::SET_FGCOLOR (urxvt::RS_RVid, 15)) |
|
|
107 | for @{ $self->{found} }; |
111 | for (@{ $self->{found} }) { |
|
|
112 | $self->scr_xor_span (@$_, $xor); |
|
|
113 | $xor = urxvt::RS_RVid; |
|
|
114 | } |
108 | |
115 | |
109 | () |
116 | () |
110 | } |
117 | } |
111 | |
118 | |
112 | sub key_press { |
119 | sub key_press { |
113 | my ($self, $event, $keysym, $string) = @_; |
120 | my ($self, $event, $keysym, $string) = @_; |
114 | |
121 | |
115 | if (exists $self->{in_search}) { |
122 | delete $self->{manpage_overlay}; |
|
|
123 | |
116 | if ($keysym == 0xff0d || $keysym == 0xff8d) { |
124 | if ($keysym == 0xff0d || $keysym == 0xff8d) { |
117 | $self->idle; |
125 | if ($self->{found}) { |
118 | } elsif ($keysym == 0xff1b) { |
126 | my ($br, $bc, $er, $ec) = @{ $self->{found}[0] }; |
119 | $self->view_start ($self->{in_search}); |
127 | $self->selection_beg ($br, $bc); |
120 | $self->idle; |
128 | $self->selection_end ($er, $ec); |
121 | } elsif ($keysym == 0xff08) { |
129 | $self->selection_make ($event->{time}); |
122 | substr $self->{search}, -1, 1, ""; |
|
|
123 | $self->search; |
|
|
124 | } elsif ($string ne "") { |
|
|
125 | $self->{search} .= $string; |
|
|
126 | $self->search; |
|
|
127 | } |
130 | } |
128 | } else { |
|
|
129 | if ($keysym == 0xff0d || $keysym == 0xff8d) { |
|
|
130 | # OK |
|
|
131 | $self->leave; |
131 | $self->leave; |
132 | } elsif ($keysym == 0xff1b) { |
132 | } elsif ($keysym == 0xff1b) { |
133 | $self->view_start ($self->{view_start}); |
133 | $self->view_start ($self->{view_start}); |
134 | $self->leave; |
134 | $self->leave; |
|
|
135 | } elsif ($keysym == 0xff57) { |
|
|
136 | $self->{row} = $self->nrow - 1; |
|
|
137 | $self->view_start (0); |
135 | } elsif ($keysym == 0xff52) { |
138 | } elsif ($keysym == 0xff52) { |
136 | $self->view_start ($self->view_start + 1); |
139 | $self->{row}-- if $self->{row} > -$self->nsaved; |
|
|
140 | $self->search (-1); |
137 | } elsif ($keysym == 0xff54) { |
141 | } elsif ($keysym == 0xff54) { |
138 | $self->view_start ($self->view_start - 1); |
142 | $self->{row}++ if $self->{row} < $self->nrow; |
139 | } elsif ($string eq "/") { |
|
|
140 | $self->{in_search} = $self->view_start; |
|
|
141 | $self->search; |
143 | $self->search (+1); |
142 | } elsif ($string eq "G") { |
|
|
143 | $self->view_start (0); |
|
|
144 | } elsif ($string eq "n") { |
144 | } elsif ($string eq "n") { |
|
|
145 | if ($self->{found} && @{ $self->{found} }) { |
|
|
146 | push @{ $self->{history} }, [$self->view_start, $self->{found}]; |
145 | $self->search (-1); |
147 | $self->search (-1); |
146 | $self->idle; |
148 | $self->idle; |
147 | } elsif ($string eq "p" or $string eq "N") { |
|
|
148 | # TODO |
|
|
149 | } elsif ($string ne "") { |
|
|
150 | $self->scr_bell; |
|
|
151 | } |
149 | } |
|
|
150 | } elsif ($string eq "p" or $string eq "N") { |
|
|
151 | if (my $prev = pop @{ $self->{history} }) { |
|
|
152 | $self->view_start ($prev->[0]); |
|
|
153 | $self->{found} = $prev->[1]; |
|
|
154 | $self->want_refresh; |
|
|
155 | } |
|
|
156 | } elsif ($keysym == 0xff08) { |
|
|
157 | substr $self->{search}, -1, 1, ""; |
|
|
158 | $self->search; |
|
|
159 | $self->idle; |
|
|
160 | } elsif ($string =~ /^[^\x00-\x1f\x80-\xaf]+$/) { |
|
|
161 | return; # pass to tt_write |
152 | } |
162 | } |
153 | |
163 | |
154 | 1 |
164 | 1 |
155 | } |
165 | } |
156 | |
166 | |
|
|
167 | sub tt_write { |
|
|
168 | my ($self, $data) = @_; |
157 | |
169 | |
|
|
170 | $self->{search} .= $self->locale_decode ($data); |
|
|
171 | $self->search (-1); |
|
|
172 | $self->idle; |
|
|
173 | |
|
|
174 | 1 |
|
|
175 | } |
|
|
176 | |
|
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177 | |