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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 1.10 by root, Tue Jan 10 04:26:54 2006 UTC vs.
Revision 1.28 by root, Sun Jun 10 13:58:06 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 ("%")
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 $cmd eq "searchable-scrollback:start" 23 $cmd eq "searchable-scrollback:start"
20 and $self->enter; 24 and $self->enter;
21 25
… …
32sub enter { 36sub enter {
33 my ($self) = @_; 37 my ($self) = @_;
34 38
35 return if $self->{overlay}; 39 return if $self->{overlay};
36 40
37 $self->{history} = [];
38 $self->{view_start} = $self->view_start; 41 $self->{view_start} = $self->view_start;
39 $self->{pty_ev_events} = $self->pty_ev_events (urxvt::EVENT_NONE); 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
48 $self->{manpage_overlay} = $self->overlay (0, -2, $self->ncol, 1, urxvt::OVERLAY_RSTYLE, 0); 53 $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 for details"); 54 $self->{manpage_overlay}->set (0, 0, "scrollback search, see the ${urxvt::RXVTNAME}perl manpage for details");
50 55
51 $self->idle; 56 $self->idle;
52} 57}
53 58
54sub leave { 59sub leave {
… …
58 $self->pty_ev_events ($self->{pty_ev_events}); 63 $self->pty_ev_events ($self->{pty_ev_events});
59 64
60 delete $self->{manpage_overlay}; 65 delete $self->{manpage_overlay};
61 delete $self->{overlay}; 66 delete $self->{overlay};
62 delete $self->{history}; 67 delete $self->{history};
68 delete $self->{search};
63} 69}
64 70
65sub idle { 71sub idle {
66 my ($self) = @_; 72 my ($self) = @_;
67 73
68 $self->msg ("escape=exit, enter=accept, /=start search, n=next, p=previous, G=bottom"); 74 $self->msg ("(escape cancels) /$self->{search}█");
69
70 delete $self->{in_search};
71} 75}
72 76
73sub search { 77sub search {
74 my ($self, $offset) = @_; 78 my ($self, $dir) = @_;
75
76 my $row = -$self->view_start + ($self->nrow >> 1) + $offset;
77 79
78 delete $self->{found}; 80 delete $self->{found};
81 my $row = $self->{row};
79 82
80 my $search = $self->special_encode ($self->{search}); 83 my $search = $self->special_encode ($self->{search});
81 84
82 no re 'eval'; # just to be sure 85 no re 'eval'; # just to be sure
83 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;
84 90
85 while ($row > -$self->nsaved) { 91 my $text = $line->t;
86 my $line = $self->line ($row) 92 if ($text =~ /$re/g) {
87 or last; 93 do {
94 push @{ $self->{found} }, [$line->coord_of ($-[0]), $line->coord_of ($+[0])];
95 } while $text =~ /$re/g;
88 96
89 my $text = $line->t; 97 $self->{row} = $row;
90 if ($text =~ /$re/g) { 98 $self->view_start (List::Util::min 0, $row - ($self->nrow >> 1));
99 $self->want_refresh;
100 last;
91 do { 101 }
92 push @{ $self->{found} }, [$line->coord_of ($-[0]), $line->coord_of ($+[0])];
93 } while $text =~ /$re/g;
94 102
95 $self->view_start (-$row + ($self->nrow >> 1)); 103 $row = $dir < 0 ? $line->beg - 1 : $line->end + 1;
96 last;
97 } 104 }
98
99 $row = $line->beg - 1;
100 } 105 }
101 106
102 $self->msg ("enter/type/backspace: /$self->{search}_"
103 . ($self->{found} ? "" : " (not found)"));
104 $self->scr_bell unless $self->{found}; 107 $self->scr_bell unless $self->{found};
105} 108}
106 109
107sub refresh { 110sub refresh {
108 my ($self) = @_; 111 my ($self) = @_;
109 112
110 return unless $self->{found}; 113 return unless $self->{found};
111 114
112 $self->scr_xor_span (@$_, urxvt::SET_FGCOLOR (urxvt::RS_RVid, 15)) 115 my $xor = urxvt::RS_RVid | urxvt::RS_Blink;
113 for @{ $self->{found} }; 116 for (@{ $self->{found} }) {
117 $self->scr_xor_span (@$_, $xor);
118 $xor = urxvt::RS_RVid;
119 }
114 120
115 () 121 ()
116} 122}
117 123
118sub key_press { 124sub key_press {
119 my ($self, $event, $keysym, $string) = @_; 125 my ($self, $event, $keysym, $string) = @_;
120 126
121 if (exists $self->{in_search}) { 127 delete $self->{manpage_overlay};
128
122 if ($keysym == 0xff0d || $keysym == 0xff8d) { 129 if ($keysym == 0xff0d || $keysym == 0xff8d) { # enter
123 $self->idle; 130 if ($self->{found} && $event->{state} & urxvt::ShiftMask) {
124 } elsif ($keysym == 0xff1b) { 131 my ($br, $bc, $er, $ec) = @{ $self->{found}[0] };
125 $self->view_start ($self->{in_search}); 132 $self->selection_beg ($br, $bc);
126 $self->idle; 133 $self->selection_end ($er, $ec);
127 } elsif ($keysym == 0xff08) { 134 $self->selection_make ($event->{time});
128 substr $self->{search}, -1, 1, "";
129 $self->search;
130 } elsif ($string ne "") {
131 return;
132 } 135 }
133
134 } else {
135 if ($keysym == 0xff0d || $keysym == 0xff8d) {
136 # TODO: set selection
137 $self->leave; 136 $self->leave;
138 } elsif ($keysym == 0xff1b) { 137 } elsif ($keysym == 0xff1b) { # escape
139 $self->view_start ($self->{view_start}); 138 $self->view_start ($self->{view_start});
140 $self->leave; 139 $self->leave;
141 } elsif ($keysym == 0xff52) { 140 } elsif ($keysym == 0xff57) { # end
142 $self->view_start ($self->view_start + 1); 141 $self->{row} = $self->nrow - 1;
143 } elsif ($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); 142 $self->view_start (0);
152 } elsif ($string eq "n") { 143 } elsif ($keysym == 0xff52) { # up
153 if ($self->{found} && @{ $self->{found} }) { 144 $self->{row}-- if $self->{row} > $self->top_row;
154 push @{ $self->{history} }, [$self->view_start, $self->{found}];
155 $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;
156 $self->idle; 152 $self->idle;
157 } 153 } elsif ($string !~ /[\x00-\x1f\x80-\xaf]/) {
158 } elsif ($string eq "p" or $string eq "N") { 154 return; # pass to tt_write
159 if (my $prev = pop @{ $self->{history} }) {
160 $self->view_start ($prev->[0]);
161 $self->{found} = $prev->[1];
162 $self->want_refresh;
163 }
164 } elsif ($string ne "") {
165 $self->scr_bell;
166 }
167 } 155 }
168 156
169 1 157 1
170} 158}
171 159
172sub tt_write { 160sub tt_write {
173 my ($self, $data) = @_; 161 my ($self, $data) = @_;
174 162
175 $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
176 $self->search; 168 $self->search (-1);
169 $self->idle;
177 170
178 1 171 1
179} 172}
180 173
181 174

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