1 | #! perl |
1 | #! perl |
2 | |
2 | |
3 | # this extension implements scrollback buffer search |
3 | # this extension implements scrollback buffer search |
4 | |
4 | |
5 | #:META:RESOURCE:%:string:activation hotkey keysym |
5 | #:META:RESOURCE:%:string:activation hotkey keysym |
6 | #:META:BINDING:M-s:start |
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7 | |
6 | |
8 | =head1 NAME |
7 | =head1 NAME |
9 | |
8 | |
10 | searchable-scrollback - incremental scrollback search (enabled by default) |
9 | searchable-scrollback - incremental scrollback search (enabled by default) |
11 | |
10 | |
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15 | the C<searchable-scrollback:start> action (bound to C<M-s> by |
14 | the C<searchable-scrollback:start> action (bound to C<M-s> by |
16 | default). While in search mode, normal terminal input/output is |
15 | default). While in search mode, normal terminal input/output is |
17 | suspended and a regex is displayed at the bottom of the screen. |
16 | suspended and a regex is displayed at the bottom of the screen. |
18 | |
17 | |
19 | Inputting characters appends them to the regex and continues incremental |
18 | Inputting characters appends them to the regex and continues incremental |
20 | search. C<BackSpace> removes a character from the regex, C<Up> and C<Down> |
19 | search. In addition, the following bindings are recognized: |
21 | search upwards/downwards in the scrollback buffer, C<End> jumps to the |
20 | |
22 | bottom. C<Escape> leaves search mode and returns to the point where search |
21 | =over 4 |
23 | was started, while C<Enter> or C<Return> stay at the current position and |
22 | |
24 | additionally stores the first match in the current line into the primary |
23 | =item C<BackSpace> |
25 | selection if the C<Shift> modifier is active. |
24 | |
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25 | Remove a character from the regex. |
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26 | |
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27 | =item C<Insert> |
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28 | |
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29 | Append the value of the PRIMARY selection to the regex. |
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30 | |
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31 | =item C<Up> |
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32 | |
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33 | Search for a match upwards. |
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34 | |
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35 | =item C<Down> |
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36 | |
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37 | Search for a match downwards. |
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38 | |
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39 | =item C<Prior> |
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40 | |
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41 | Scroll up. |
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42 | |
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43 | =item C<Next> |
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44 | |
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45 | Scroll down. |
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46 | |
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47 | =item C<End> |
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48 | |
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49 | Scroll to the bottom. |
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50 | |
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51 | =item C<Escape> |
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52 | |
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53 | Leave the mode and return to the point where search was started. |
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54 | |
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55 | =item C<Enter> or C<Return> |
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56 | |
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57 | Leave the mode maintaining the current position in the scrollback. |
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58 | Additionally, if the C<Shift> modifier is active, store the first |
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59 | match in the current line into the primary selection. |
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60 | |
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61 | =back |
26 | |
62 | |
27 | The regex defaults to "(?i)", resulting in a case-insensitive search. To |
63 | The regex defaults to "(?i)", resulting in a case-insensitive search. To |
28 | get a case-sensitive search you can delete this prefix using C<BackSpace> |
64 | get a case-sensitive search you can delete this prefix using C<BackSpace> |
29 | or simply use an uppercase character which removes the "(?i)" prefix. |
65 | or simply use an uppercase character which removes the "(?i)" prefix. |
30 | |
66 | |
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36 | my ($self) = @_; |
72 | my ($self) = @_; |
37 | |
73 | |
38 | # only for backwards compatibility |
74 | # only for backwards compatibility |
39 | my $hotkey = $self->{argv}[0] |
75 | my $hotkey = $self->{argv}[0] |
40 | || $self->x_resource ("%") |
76 | || $self->x_resource ("%") |
41 | || return; |
77 | || "M-s"; |
42 | |
78 | |
43 | $self->bind_action ($hotkey, "searchable-scrollback:start") # ugh |
79 | $self->bind_action ($hotkey, "%:start") |
44 | or warn "unable to register '$hotkey' as scrollback search start hotkey\n"; |
80 | or warn "unable to register '$hotkey' as scrollback search start hotkey\n"; |
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81 | |
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82 | () |
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83 | } |
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84 | |
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85 | sub on_user_command { |
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86 | my ($self, $cmd) = @_; |
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87 | |
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88 | $cmd eq "searchable-scrollback:start" |
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89 | and $self->enter; |
45 | |
90 | |
46 | () |
91 | () |
47 | } |
92 | } |
48 | |
93 | |
49 | sub on_action { |
94 | sub on_action { |
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92 | $self->pty_ev_events ($self->{pty_ev_events}); |
137 | $self->pty_ev_events ($self->{pty_ev_events}); |
93 | |
138 | |
94 | delete $self->{manpage_overlay}; |
139 | delete $self->{manpage_overlay}; |
95 | delete $self->{overlay}; |
140 | delete $self->{overlay}; |
96 | delete $self->{search}; |
141 | delete $self->{search}; |
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142 | delete $self->{found}; |
97 | } |
143 | } |
98 | |
144 | |
99 | sub idle { |
145 | sub idle { |
100 | my ($self) = @_; |
146 | my ($self) = @_; |
101 | |
147 | |
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173 | if $line->beg > $self->top_row; |
219 | if $line->beg > $self->top_row; |
174 | } elsif ($keysym == 0xff54) { # down |
220 | } elsif ($keysym == 0xff54) { # down |
175 | my $line = $self->line ($self->{row}); |
221 | my $line = $self->line ($self->{row}); |
176 | $self->search (+1, $line->end + 1) |
222 | $self->search (+1, $line->end + 1) |
177 | if $line->end < $self->nrow; |
223 | if $line->end < $self->nrow; |
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224 | } elsif ($keysym == 0xff55) { # prior |
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225 | my $row = $self->view_start - ($self->nrow - 1); |
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226 | $self->view_start (List::Util::min 0, $row); |
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227 | } elsif ($keysym == 0xff56) { # next |
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228 | my $row = $self->view_start + ($self->nrow - 1); |
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229 | $self->view_start (List::Util::min 0, $row); |
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230 | } elsif ($keysym == 0xff63) { # insert |
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231 | $self->selection_request (urxvt::CurrentTime, 1); |
178 | } elsif ($keysym == 0xff08) { # backspace |
232 | } elsif ($keysym == 0xff08) { # backspace |
179 | substr $self->{search}, -1, 1, ""; |
233 | substr $self->{search}, -1, 1, ""; |
180 | $self->search (+1, $self->{row}); |
234 | $self->search (+1, $self->{row}); |
181 | $self->idle; |
235 | $self->idle; |
182 | } elsif ($string !~ /[\x00-\x1f\x80-\xaf]/) { |
236 | } elsif ($string !~ /[\x00-\x1f\x80-\xaf]/) { |