diff options
Diffstat (limited to '.config/urxvt/ext/url-select')
| -rw-r--r-- | .config/urxvt/ext/url-select | 408 |
1 files changed, 408 insertions, 0 deletions
diff --git a/.config/urxvt/ext/url-select b/.config/urxvt/ext/url-select new file mode 100644 index 0000000..34637bb --- /dev/null +++ b/.config/urxvt/ext/url-select @@ -0,0 +1,408 @@ +#! perl -w +# Author: Bert Muennich +# Website: http://www.github.com/muennich/urxvt-perls +# Based on: http://www.jukie.net/~bart/blog/urxvt-url-yank +# License: GPLv2 + +# Use keyboard shortcuts to select URLs. +# This should be used as a replacement for the default matcher extension, +# it also makes URLs clickable with the middle mouse button. + +# Usage: put the following lines in your .Xdefaults/.Xresources: +# URxvt.perl-ext-common: ...,url-select +# URxvt.keysym.M-u: perl:url-select:select_next + +# Use Meta-u to activate URL selection mode, then use the following keys: +# j/k: Select next downward/upward URL (also with arrow keys) +# g/G: Select first/last URL (also with home/end key) +# o/Return: Open selected URL in browser, Return: deactivate afterwards +# y: Copy (yank) selected URL and deactivate selection mode +# q/Escape: Deactivate URL selection mode + +# Options: +# URxvt.url-select.autocopy: If true, selected URLs are copied to PRIMARY +# URvxt.url-select.button: Mouse button to click-open URLs (default: 2) +# URxvt.url-select.launcher: Browser/command to open selected URL with +# URxvt.url-select.underline: If set to true, all URLs get underlined + +use strict; + +# The custom rendition bit to use for marking the cell as being underlined +# by us so we can unset it again after a line has changed. +use constant UNDERLINED => 1<<3; # arbitrarily chosen in hope of no collision + +sub on_start { + my ($self) = @_; + + # read resource settings + if ($self->x_resource('url-select.launcher')) { + @{$self->{browser}} = split /\s+/, $self->x_resource('url-select.launcher'); + } else { + @{$self->{browser}} = ('x-www-browser'); + } + if ($self->x_resource('url-select.underline') eq 'true') { + $self->enable(line_update => \&line_update); + } + if ($self->x_resource('url-select.autocopy') eq 'true') { + $self->{autocopy} = 1; + } + + $self->{state} = 0; + + for my $mod (split '', $self->x_resource("url-select.button") || + $self->x_resource("matcher.button") || 2) { + if ($mod =~ /^\d+$/) { + $self->{button} = $mod; + } elsif ($mod eq "C") { + $self->{state} |= urxvt::ControlMask; + } elsif ($mod eq "S") { + $self->{state} |= urxvt::ShiftMask; + } elsif ($mod eq "M") { + $self->{state} |= $self->ModMetaMask; + } elsif ($mod ne "-" && $mod ne " ") { + warn("invalid button/modifier in $self->{_name}<$self->{argv}[0]>: $mod\n"); + } + } + + if ($self->x_resource('matcher.pattern')) { + @{$self->{pattern}} = ($self->x_resource('matcher.pattern')); + } elsif ($self->x_resource('matcher.pattern.0')) { + my $current = 0; + + while (defined (my $res = $self->x_resource("matcher.pattern.$current"))) { + $res = $self->locale_decode($res); + utf8::encode $res; + push @{$self->{pattern}}, qr($res)x; + $current++; + } + } else { + @{$self->{pattern}} = qr{ + (?:https?://|ftp://|news://|mailto:|file://|\bwww\.) + [\w\-\@;\/?:&=%\$.+!*\x27,~#]* + ( + \([\w\-\@;\/?:&=%\$.+!*\x27,~#]*\) # Allow a pair of matched parentheses + | # + [\w\-\@;\/?:&=%\$+*~] # exclude some trailing characters (heuristic) + )+ + }x; + } + + () +} + + +sub line_update { + my ($self, $row) = @_; + + my $line = $self->line($row); + my $text = $line->t; + my $rend = $line->r; + + # clear all underlines that were set by us + for (@$rend) { + if (urxvt::GET_CUSTOM($_) & UNDERLINED) { + $_ = urxvt::SET_CUSTOM($_, urxvt::GET_CUSTOM($_) & ~UNDERLINED) & + ~urxvt::RS_Uline; + } + } + + for my $pattern (@{$self->{pattern}}) { + while ($text =~ /$pattern/g) { + my $url = $&; + my ($beg, $end) = ($-[0], $+[0] - 1); + + for (@{$rend}[$beg .. $end]) { + unless ($_ & urxvt::RS_Uline) { + $_ = urxvt::SET_CUSTOM($_, urxvt::GET_CUSTOM($_) | UNDERLINED); + $_ |= urxvt::RS_Uline; + } + } + } + } + + $line->r($rend); + + () +} + +sub on_action { + my ($self, $action) = @_; + + on_user_command($self, "url-select:" . $action); +} + + +sub on_user_command { + my ($self, $cmd) = @_; + + if ($cmd eq 'url-select:select_next') { + if (not $self->{active}) { + activate($self); + } + select_next($self, -1); + } + + () +} + + +sub key_press { + my ($self, $event, $keysym) = @_; + my $char = chr($keysym); + + if ($keysym == 0xff1b || lc($char) eq 'q' || + (lc($char) eq 'c' && $event->{state} & urxvt::ControlMask)) { + deactivate($self); + } elsif ($keysym == 0xff0d || $char eq 'o' || + (lc($char) eq 'm' && $event->{state} & urxvt::ControlMask)) { + $self->exec_async(@{$self->{browser}}, ${$self->{found}[$self->{n}]}[4]); + deactivate($self) unless $char eq 'o'; + } elsif ($char eq 'y') { + my $found = $self->{found}[$self->{n}]; + $self->selection_beg(${$found}[0], ${$found}[1]); + $self->selection_end(${$found}[2], ${$found}[3]); + $self->selection_make($event->{time}); + $self->selection_beg(1, 0); + $self->selection_end(1, 0); + deactivate($self); + } elsif ($char eq 'k' || $keysym == 0xff52 || $keysym == 0xff51) { + select_next($self, -1, $event); + } elsif ($char eq 'j' || $keysym == 0xff54 || $keysym == 0xff53) { + select_next($self, 1, $event); + } elsif ($char eq 'g' || $keysym == 0xff50) { + $self->{row} = $self->top_row - 1; + delete $self->{found}; + select_next($self, 1, $event); + } elsif ($char eq 'G' || $keysym == 0xff57) { + $self->{row} = $self->nrow; + delete $self->{found}; + select_next($self, -1, $event); + } + + return 1; +} + + +sub on_button_press { + my ($self, $event) = @_; + + my $mask = $self->ModLevel3Mask | $self->ModMetaMask | + urxvt::ShiftMask | urxvt::ControlMask; + + if ($event->{button} == $self->{button} && ($event->{state} & $mask) == $self->{state}) { + my $col = $event->{col}; + my $row = $event->{row}; + my $line = $self->line($row); + my $text = $line->t; + + for my $pattern (@{$self->{pattern}}) { + while ($text =~ /$pattern/g) { + my ($url, $beg, $end) = ($&, $-[0], $+[0]); + --$end if $url =~ s/["')]$//; + + if ($col >= $beg && $col <= $end) { + $self->{button_pressed} = 1; + $self->{button_col} = $col; + $self->{button_row} = $row; + $self->{button_url} = $url; + return 1; + } + } + } + } + + () +} + +sub on_button_release { + my ($self, $event) = @_; + + if ($self->{button_pressed} && $event->{button} == $self->{button}) { + my $col = $event->{col}; + my $row = $event->{row}; + + $self->{button_pressed} = 0; + + if ($col == $self->{button_col} && $row == $self->{button_row}) { + $self->exec_async(@{$self->{browser}}, $self->{button_url}); + return 1; + } + } + + () +} + + +sub select_next { + # $dir < 0: up, > 0: down + my ($self, $dir, $event) = @_; + my $row = $self->{row}; + + if (($dir < 0 && $self->{n} > 0) || + ($dir > 0 && $self->{n} < $#{ $self->{found} })) { + # another url on current line + $self->{n} += $dir; + hilight($self); + if ($self->{autocopy}) { + my $found = $self->{found}[$self->{n}]; + $self->selection_beg(${$found}[0], ${$found}[1]); + $self->selection_end(${$found}[2], ${$found}[3]); + $self->selection_make($event->{time}); + $self->selection_beg(1, 0); + $self->selection_end(1, 0); + } + return; + } + + while (($dir < 0 && $row > $self->top_row) || + ($dir > 0 && $row < $self->nrow - 1)) { + my $line = $self->line($row); + $row = ($dir < 0 ? $line->beg : $line->end) + $dir; + $line = $self->line($row); + my $text = $line->t; + + for my $pattern (@{$self->{pattern}}) { + if ($text =~ /$pattern/g) { + delete $self->{found}; + + do { + my ($beg, $end) = ($-[0], $+[0]); + push @{$self->{found}}, [$line->coord_of($beg), + $line->coord_of($end), substr($text, $beg, $end - $beg)]; + } while ($text =~ /$pattern/g); + + $self->{row} = $row; + $self->{n} = $dir < 0 ? $#{$self->{found}} : 0; + hilight($self); + if ($self->{autocopy}) { + my $found = $self->{found}[$self->{n}]; + $self->selection_beg(${$found}[0], ${$found}[1]); + $self->selection_end(${$found}[2], ${$found}[3]); + $self->selection_make($event->{time}); + $self->selection_beg(1, 0); + $self->selection_end(1, 0); + } + return; + } + } + } + + deactivate($self) unless $self->{found}; + + () +} + + +sub hilight { + my ($self) = @_; + + if ($self->{found}) { + if ($self->{row} < $self->view_start() || + $self->{row} >= $self->view_start() + $self->nrow) { + # scroll selected url into visible area + my $top = $self->{row} - ($self->nrow >> 1); + $self->view_start($top < 0 ? $top : 0); + } + + status_area($self); + $self->want_refresh(); + } + + () +} + + +sub refresh { + my ($self) = @_; + + if ($self->{found}) { + if ($self->x_resource('highlightColor')) { + $self->scr_xor_span(@{$self->{found}[$self->{n}]}[0 .. 3], urxvt::RS_Sel); + } else { + $self->scr_xor_span(@{$self->{found}[$self->{n}]}[0 .. 3], urxvt::RS_RVid); + } + } + + () +} + + +sub status_area { + my ($self) = @_; + + my $row = $self->{row} < 0 ? + $self->{row} - $self->top_row : abs($self->top_row) + $self->{row}; + my $text = sprintf("%d,%d ", $row + 1, $self->{n} + 1); + + if ($self->top_row == 0) { + $text .= "All"; + } elsif ($self->view_start() == $self->top_row) { + $text .= "Top"; + } elsif ($self->view_start() == 0) { + $text .= "Bot"; + } else { + $text .= sprintf("%2d%", + ($self->top_row - $self->view_start) * 100 / $self->top_row); + } + + my $text_len = length($text); + + if ($self->{overlay_len} != $text_len) { + delete $self->{overlay} if $self->{overlay}; + $self->{overlay} = $self->overlay(-1, -1, $text_len, 1, + urxvt::OVERLAY_RSTYLE, 0); + $self->{overlay_len} = $text_len; + } + + $self->{overlay}->set(0, 0, $self->special_encode($text)); + $self->{overlay}->show(); + + () +} + + +sub tt_write { + return 1; +} + + +sub activate { + my ($self) = @_; + + $self->{active} = 1; + + $self->{row} = $self->view_start() + $self->nrow; + $self->{n} = 0; + $self->{overlay_len} = 0; + $self->{button_pressed} = 0; + + $self->{view_start} = $self->view_start(); + $self->{pty_ev_events} = $self->pty_ev_events(urxvt::EV_NONE); + + $self->enable( + key_press => \&key_press, + refresh_begin => \&refresh, + refresh_end => \&refresh, + tt_write => \&tt_write, + ); + + () +} + + +sub deactivate { + my ($self) = @_; + + $self->disable("key_press", "refresh_begin", "refresh_end", "tt_write"); + $self->view_start($self->{view_start}); + $self->pty_ev_events($self->{pty_ev_events}); + + delete $self->{overlay} if $self->{overlay}; + delete $self->{found} if $self->{found}; + + $self->want_refresh(); + + $self->{active} = 0; + + () +} |