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/cvs/rxvt-unicode/src/perl/searchable-scrollback
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Comparing rxvt-unicode/src/perl/searchable-scrollback (file contents):
Revision 1.7 by root, Mon Jan 9 23:30:01 2006 UTC vs.
Revision 1.27 by root, Wed Jun 6 15:06:41 2012 UTC

1#! perl 1#! perl
2 2
3# this extension implements scrollback buffer search 3# this extension implements scrollback buffer search
4 4
5#:META:X_RESOURCE:%:string:activation hotkey keysym
6
5sub on_init { 7sub on_init {
6 my ($self) = @_; 8 my ($self) = @_;
7 9
8 my $hotkey = $self->{argv}[0] || "M-s"; 10 my $hotkey = $self->{argv}[0]
11 || $self->x_resource ("searchable-scrollback")
12 || "M-s";
9 13
10 $self->parse_keysym ($hotkey, "perl:searchable-scrollback:start") 14 $self->parse_keysym ($hotkey, "perl:searchable-scrollback:start")
11 or warn "unable to register '$hotkey' as scrollback search start hotkey\n"; 15 or warn "unable to register '$hotkey' as scrollback search start hotkey\n";
12 16
13 () 17 ()
14} 18}
15 19
16sub on_keyboard_command { 20sub on_user_command {
17 my ($self, $cmd) = @_; 21 my ($self, $cmd) = @_;
18 22
19 if ($cmd eq "searchable-scrollback:start") { 23 $cmd eq "searchable-scrollback:start"
20 $self->enter; 24 and $self->enter;
21 }
22 25
23 () 26 ()
24} 27}
25 28
26sub msg { 29sub msg {
… …
33sub enter { 36sub enter {
34 my ($self) = @_; 37 my ($self) = @_;
35 38
36 return if $self->{overlay}; 39 return if $self->{overlay};
37 40
38 $self->{pty_ev_events} = $self->pty_ev_events (urxvt::EVENT_NONE);
39 $self->{view_start} = $self->view_start; 41 $self->{view_start} = $self->view_start;
42 $self->{pty_ev_events} = $self->pty_ev_events (urxvt::EV_NONE);
43 $self->{row} = $self->nrow - 1;
44 $self->{search} = "(?i)";
40 45
41 $self->enable ( 46 $self->enable (
42 key_press => \&key_press, 47 key_press => \&key_press,
43 tt_write => \&tt_write, 48 tt_write => \&tt_write,
44 refresh_begin => \&refresh, 49 refresh_begin => \&refresh,
45 refresh_end => \&refresh, 50 refresh_end => \&refresh,
46 ); 51 );
47 52
53 $self->{manpage_overlay} = $self->overlay (0, -2, $self->ncol, 1, urxvt::OVERLAY_RSTYLE, 0);
54 $self->{manpage_overlay}->set (0, 0, "scrollback search, see the ${urxvt::RXVTNAME}perl manpage for details");
55
48 $self->idle; 56 $self->idle;
49} 57}
50 58
51sub leave { 59sub leave {
52 my ($self) = @_; 60 my ($self) = @_;
53 61
62 $self->disable ("key_press", "tt_write", "refresh_begin", "refresh_end");
63 $self->pty_ev_events ($self->{pty_ev_events});
64
65 delete $self->{manpage_overlay};
54 delete $self->{overlay}; 66 delete $self->{overlay};
55 67 delete $self->{history};
56 $self->disable ("key_press", "tt_write", "refresh_begin", "refresh_end"); 68 delete $self->{search};
57
58 $self->pty_ev_events ($self->{pty_ev_events});
59 $self->want_refresh;
60} 69}
61 70
62sub idle { 71sub idle {
63 my ($self) = @_; 72 my ($self) = @_;
64 73
65 $self->msg ("scrollback search, escape=exit, enter=accept, /=start search, n=next, p=previous, G=bottom"); 74 $self->msg ("(escape cancels) /$self->{search}█");
66
67 delete $self->{in_search};
68} 75}
69 76
70sub search { 77sub search {
71 my ($self, $offset) = @_; 78 my ($self, $dir) = @_;
72
73 my $row = -$self->view_start + ($self->nrow >> 1) + $offset;
74 79
75 delete $self->{found}; 80 delete $self->{found};
81 my $row = $self->{row};
76 82
77 my $search = $self->special_encode ($self->{search}); 83 my $search = $self->special_encode ($self->{search});
78 84
79 no re 'eval'; # just to be sure 85 no re 'eval'; # just to be sure
80 my $re = qr/$search/; 86 if (my $re = eval { qr/$search/ }) {
87 while ($self->nrow > $row && $row >= $self->top_row) {
88 my $line = $self->line ($row)
89 or last;
81 90
82 while ($row > -$self->nsaved) { 91 my $text = $line->t;
83 my $line = $self->line ($row) 92 if ($text =~ /$re/g) {
84 or last; 93 do {
94 push @{ $self->{found} }, [$line->coord_of ($-[0]), $line->coord_of ($+[0])];
95 } while $text =~ /$re/g;
85 96
86 my $text = $line->t; 97 $self->{row} = $row;
87 if ($text =~ /$re/g) { 98 $self->view_start (List::Util::min 0, $row - ($self->nrow >> 1));
99 $self->want_refresh;
100 last;
88 do { 101 }
89 push @{ $self->{found} }, [$line->coord_of ($-[0]), $line->coord_of ($+[0])];
90 } while $text =~ /$re/g;
91 102
92 $self->view_start (-$row + ($self->nrow >> 1)); 103 $row = $dir < 0 ? $line->beg - 1 : $line->end + 1;
93 last;
94 } 104 }
95
96 $row = $line->beg - 1;
97 } 105 }
98 106
99 $self->msg ("enter/type/backspace: /$self->{search}_"
100 . ($self->{found} ? "" : " (not found)"));
101 $self->scr_bell unless $self->{found}; 107 $self->scr_bell unless $self->{found};
102} 108}
103 109
104sub refresh { 110sub refresh {
105 my ($self) = @_; 111 my ($self) = @_;
106 112
107 return unless $self->{found}; 113 return unless $self->{found};
108 114
109 $self->scr_xor_span (@$_, urxvt::SET_FGCOLOR (urxvt::RS_RVid, 15)) 115 my $xor = urxvt::RS_RVid | urxvt::RS_Blink;
110 for @{ $self->{found} }; 116 for (@{ $self->{found} }) {
117 $self->scr_xor_span (@$_, $xor);
118 $xor = urxvt::RS_RVid;
119 }
111 120
112 () 121 ()
113} 122}
114 123
115sub key_press { 124sub key_press {
116 my ($self, $event, $keysym, $string) = @_; 125 my ($self, $event, $keysym, $string) = @_;
117 126
118 if (exists $self->{in_search}) { 127 delete $self->{manpage_overlay};
128
119 if ($keysym == 0xff0d || $keysym == 0xff8d) { 129 if ($keysym == 0xff0d || $keysym == 0xff8d) { # enter
120 $self->idle; 130 if ($self->{found} && $event->{state} & urxvt::ShiftMask) {
121 } elsif ($keysym == 0xff1b) { 131 my ($br, $bc, $er, $ec) = @{ $self->{found}[0] };
122 $self->view_start ($self->{in_search}); 132 $self->selection_beg ($br, $bc);
123 $self->idle; 133 $self->selection_end ($er, $ec);
124 } elsif ($keysym == 0xff08) { 134 $self->selection_make ($event->{time});
125 substr $self->{search}, -1, 1, "";
126 $self->search;
127 } elsif ($string ne "") {
128 return;
129 } 135 }
130 } else {
131 if ($keysym == 0xff0d || $keysym == 0xff8d) {
132 # OK
133 $self->leave; 136 $self->leave;
134 } elsif ($keysym == 0xff1b) { 137 } elsif ($keysym == 0xff1b) { # escape
135 $self->view_start ($self->{view_start}); 138 $self->view_start ($self->{view_start});
136 $self->leave; 139 $self->leave;
137 } elsif ($keysym == 0xff52) { 140 } elsif ($keysym == 0xff57) { # end
138 $self->view_start ($self->view_start + 1); 141 $self->{row} = $self->nrow - 1;
139 } elsif ($keysym == 0xff54) {
140 $self->view_start ($self->view_start - 1);
141 } elsif ($string eq "/") {
142 $self->{in_search} = $self->view_start;
143 $self->search;
144 } elsif ($string eq "G") {
145 $self->view_start (0); 142 $self->view_start (0);
146 } elsif ($string eq "n") { 143 } elsif ($keysym == 0xff52) { # up
144 $self->{row}-- if $self->{row} > $self->top_row;
147 $self->search (-1); 145 $self->search (-1);
146 } elsif ($keysym == 0xff54) { # down
147 $self->{row}++ if $self->{row} < $self->nrow;
148 $self->search (+1);
149 } elsif ($keysym == 0xff08) { # backspace
150 substr $self->{search}, -1, 1, "";
151 $self->search;
148 $self->idle; 152 $self->idle;
149 } elsif ($string eq "p" or $string eq "N") { 153 } elsif ($string !~ /[\x00-\x1f\x80-\xaf]/) {
150 # TODO 154 return; # pass to tt_write
151 } elsif ($string ne "") {
152 $self->scr_bell;
153 }
154 } 155 }
155 156
156 1 157 1
157} 158}
158 159
159sub tt_write { 160sub tt_write {
160 my ($self, $data) = @_; 161 my ($self, $data) = @_;
161 162
162 $self->{search} .= $self->locale_decode ($data); 163 $self->{search} .= $self->locale_decode ($data);
164
165 $self->{search} =~ s/^\(\?i\)//
166 if $self->{search} =~ /^\(.*[[:upper:]]/;
167
163 $self->search; 168 $self->search (-1);
169 $self->idle;
164 170
165 1 171 1
166} 172}
167 173
168 174

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