… | |
… | |
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 | () |
… | |
… | |
32 | sub enter { |
34 | sub enter { |
33 | my ($self) = @_; |
35 | my ($self) = @_; |
34 | |
36 | |
35 | return if $self->{overlay}; |
37 | return if $self->{overlay}; |
36 | |
38 | |
37 | $self->{history} = []; |
|
|
38 | $self->{view_start} = $self->view_start; |
39 | $self->{view_start} = $self->view_start; |
39 | $self->{pty_ev_events} = $self->pty_ev_events (urxvt::EVENT_NONE); |
40 | $self->{pty_ev_events} = $self->pty_ev_events (urxvt::EVENT_NONE); |
|
|
41 | $self->{row} = $self->nrow - 1; |
40 | |
42 | |
41 | $self->enable ( |
43 | $self->enable ( |
42 | key_press => \&key_press, |
44 | key_press => \&key_press, |
43 | tt_write => \&tt_write, |
45 | tt_write => \&tt_write, |
44 | refresh_begin => \&refresh, |
46 | refresh_begin => \&refresh, |
45 | refresh_end => \&refresh, |
47 | refresh_end => \&refresh, |
46 | ); |
48 | ); |
47 | |
49 | |
48 | $self->{manpage_overlay} = $self->overlay (0, -2, $self->ncol, 1, urxvt::OVERLAY_RSTYLE, 0); |
50 | $self->{manpage_overlay} = $self->overlay (0, -2, $self->ncol, 1, urxvt::OVERLAY_RSTYLE, 0); |
49 | $self->{manpage_overlay}->set (0, 0, "scrollback search, see man ${urxvt::RXVTNAME}perl"); |
51 | $self->{manpage_overlay}->set (0, 0, "scrollback search, see the ${urxvt::RXVTNAME}perl manpage for details"); |
50 | |
52 | |
51 | $self->idle; |
53 | $self->idle; |
52 | } |
54 | } |
53 | |
55 | |
54 | sub leave { |
56 | sub leave { |
… | |
… | |
58 | $self->pty_ev_events ($self->{pty_ev_events}); |
60 | $self->pty_ev_events ($self->{pty_ev_events}); |
59 | |
61 | |
60 | delete $self->{manpage_overlay}; |
62 | delete $self->{manpage_overlay}; |
61 | delete $self->{overlay}; |
63 | delete $self->{overlay}; |
62 | delete $self->{history}; |
64 | delete $self->{history}; |
|
|
65 | delete $self->{search}; |
63 | } |
66 | } |
64 | |
67 | |
65 | sub idle { |
68 | sub idle { |
66 | my ($self) = @_; |
69 | my ($self) = @_; |
67 | |
70 | |
68 | $self->msg ("escape=exit, enter=accept, /=start search, n=next, p=previous, G=bottom"); |
71 | $self->msg ("(escape cancels) /$self->{search}█"); |
69 | |
|
|
70 | delete $self->{in_search}; |
|
|
71 | } |
72 | } |
72 | |
73 | |
73 | sub search { |
74 | sub search { |
74 | my ($self, $offset) = @_; |
75 | my ($self, $dir) = @_; |
75 | |
|
|
76 | my $row = -$self->view_start + ($self->nrow >> 1) + $offset; |
|
|
77 | |
76 | |
78 | delete $self->{found}; |
77 | delete $self->{found}; |
|
|
78 | my $row = $self->{row}; |
79 | |
79 | |
80 | my $search = $self->special_encode ($self->{search}); |
80 | my $search = $self->special_encode ($self->{search}); |
81 | |
81 | |
82 | no re 'eval'; # just to be sure |
82 | no re 'eval'; # just to be sure |
83 | my $re = qr/$search/; |
83 | my $re = qr/$search/; |
84 | |
84 | |
85 | while ($row > -$self->nsaved) { |
85 | while ($self->nrow > $row && $row > -$self->nsaved) { |
86 | my $line = $self->line ($row) |
86 | my $line = $self->line ($row) |
87 | or last; |
87 | or last; |
88 | |
88 | |
89 | my $text = $line->t; |
89 | my $text = $line->t; |
90 | if ($text =~ /$re/g) { |
90 | if ($text =~ /$re/g) { |
91 | do { |
91 | do { |
92 | push @{ $self->{found} }, [$line->coord_of ($-[0]), $line->coord_of ($+[0])]; |
92 | push @{ $self->{found} }, [$line->coord_of ($-[0]), $line->coord_of ($+[0])]; |
93 | } while $text =~ /$re/g; |
93 | } while $text =~ /$re/g; |
94 | |
94 | |
|
|
95 | $self->{row} = $row; |
95 | $self->view_start (-$row + ($self->nrow >> 1)); |
96 | $self->view_start (-$row + ($self->nrow >> 1)); |
|
|
97 | $self->want_refresh; |
96 | last; |
98 | last; |
97 | } |
99 | } |
98 | |
100 | |
99 | $row = $line->beg - 1; |
101 | $row = $dir < 0 ? $line->beg - 1 : $line->end + 1; |
100 | } |
102 | } |
101 | |
103 | |
102 | $self->msg ("enter/type/backspace: /$self->{search}_" |
|
|
103 | . ($self->{found} ? "" : " (not found)")); |
|
|
104 | $self->scr_bell unless $self->{found}; |
104 | $self->scr_bell unless $self->{found}; |
105 | } |
105 | } |
106 | |
106 | |
107 | sub refresh { |
107 | sub refresh { |
108 | my ($self) = @_; |
108 | my ($self) = @_; |
109 | |
109 | |
110 | return unless $self->{found}; |
110 | my $xor = urxvt::RS_RVid | urxvt::RS_Uline; |
111 | |
|
|
112 | $self->scr_xor_span (@$_, urxvt::SET_FGCOLOR (urxvt::RS_RVid, 15)) |
|
|
113 | for @{ $self->{found} }; |
111 | for (@{ $self->{found} }) { |
|
|
112 | $self->scr_xor_span (@$_, $xor); |
|
|
113 | $xor = urxvt::RS_RVid; |
|
|
114 | } |
114 | |
115 | |
115 | () |
116 | () |
116 | } |
117 | } |
117 | |
118 | |
118 | sub key_press { |
119 | sub key_press { |
119 | my ($self, $event, $keysym, $string) = @_; |
120 | my ($self, $event, $keysym, $string) = @_; |
120 | |
121 | |
121 | if (exists $self->{in_search}) { |
122 | delete $self->{manpage_overlay}; |
|
|
123 | |
122 | if ($keysym == 0xff0d || $keysym == 0xff8d) { |
124 | if ($keysym == 0xff0d || $keysym == 0xff8d) { |
|
|
125 | if ($self->{found}) { |
|
|
126 | my ($br, $bc, $er, $ec) = @{ $self->{found}[0] }; |
|
|
127 | $self->selection_beg ($br, $bc); |
|
|
128 | $self->selection_end ($er, $ec); |
|
|
129 | $self->selection_make ($event->{time}); |
|
|
130 | } |
|
|
131 | $self->leave; |
|
|
132 | } elsif ($keysym == 0xff1b) { |
|
|
133 | $self->view_start ($self->{view_start}); |
|
|
134 | $self->leave; |
|
|
135 | } elsif ($keysym == 0xff57) { |
|
|
136 | $self->{row} = $self->nrow - 1; |
|
|
137 | $self->view_start (0); |
|
|
138 | } elsif ($keysym == 0xff52) { |
|
|
139 | $self->{row}-- if $self->{row} > -$self->nsaved; |
|
|
140 | $self->search (-1); |
|
|
141 | } elsif ($keysym == 0xff54) { |
|
|
142 | $self->{row}++ if $self->{row} < $self->nrow; |
|
|
143 | $self->search (+1); |
|
|
144 | } elsif ($string eq "n") { |
|
|
145 | if ($self->{found} && @{ $self->{found} }) { |
|
|
146 | push @{ $self->{history} }, [$self->view_start, $self->{found}]; |
|
|
147 | $self->search (-1); |
123 | $self->idle; |
148 | $self->idle; |
124 | } elsif ($keysym == 0xff1b) { |
|
|
125 | $self->view_start ($self->{in_search}); |
|
|
126 | $self->idle; |
|
|
127 | } elsif ($keysym == 0xff08) { |
|
|
128 | substr $self->{search}, -1, 1, ""; |
|
|
129 | $self->search; |
|
|
130 | } elsif ($string ne "") { |
|
|
131 | return; |
|
|
132 | } |
149 | } |
133 | |
|
|
134 | } else { |
|
|
135 | if ($keysym == 0xff0d || $keysym == 0xff8d) { |
|
|
136 | # OK |
|
|
137 | $self->leave; |
|
|
138 | } elsif ($keysym == 0xff1b) { |
|
|
139 | $self->view_start ($self->{view_start}); |
|
|
140 | $self->leave; |
|
|
141 | } elsif ($keysym == 0xff52) { |
|
|
142 | $self->view_start ($self->view_start + 1); |
|
|
143 | } elsif ($keysym == 0xff54) { |
|
|
144 | $self->view_start ($self->view_start - 1); |
|
|
145 | } elsif ($string eq "/") { |
|
|
146 | delete $self->{manpage_overlay}; |
|
|
147 | $self->{in_search} = $self->view_start; |
|
|
148 | $self->search; |
|
|
149 | } elsif ($string eq "G") { |
|
|
150 | $self->{history} = []; |
|
|
151 | $self->view_start (0); |
|
|
152 | } elsif ($string eq "n") { |
|
|
153 | if ($self->{found} && @{ $self->{found} }) { |
|
|
154 | push @{ $self->{history} }, [$self->view_start, $self->{found}]; |
|
|
155 | $self->search (-1); |
|
|
156 | $self->idle; |
|
|
157 | } |
|
|
158 | } elsif ($string eq "p" or $string eq "N") { |
150 | } elsif ($string eq "p" or $string eq "N") { |
159 | if (my $prev = pop @{ $self->{history} }) { |
151 | if (my $prev = pop @{ $self->{history} }) { |
160 | $self->view_start ($prev->[0]); |
152 | $self->view_start ($prev->[0]); |
161 | $self->{found} = $prev->[1]; |
153 | $self->{found} = $prev->[1]; |
162 | $self->want_refresh; |
154 | $self->want_refresh; |
163 | } |
|
|
164 | } elsif ($string ne "") { |
|
|
165 | $self->scr_bell; |
|
|
166 | } |
155 | } |
|
|
156 | } elsif ($keysym == 0xff08) { |
|
|
157 | substr $self->{search}, -1, 1, ""; |
|
|
158 | $self->search; |
|
|
159 | $self->idle; |
|
|
160 | } elsif ($string =~ /^[^\x00-\x1f\x80-\xaf]+$/) { |
|
|
161 | return; # pass to tt_write |
167 | } |
162 | } |
168 | |
163 | |
169 | 1 |
164 | 1 |
170 | } |
165 | } |
171 | |
166 | |
172 | sub tt_write { |
167 | sub tt_write { |
173 | my ($self, $data) = @_; |
168 | my ($self, $data) = @_; |
174 | |
169 | |
175 | $self->{search} .= $self->locale_decode ($data); |
170 | $self->{search} .= $self->locale_decode ($data); |
176 | $self->search; |
171 | $self->search (-1); |
|
|
172 | $self->idle; |
177 | |
173 | |
178 | 1 |
174 | 1 |
179 | } |
175 | } |
180 | |
176 | |
181 | |
177 | |