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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 1.6 by root, Mon Jan 9 23:19:34 2006 UTC vs.
Revision 1.23 by ayin, Wed Aug 1 17:55:37 2007 UTC

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

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