| 1 | #! perl |
1 | #! perl |
| 2 | |
2 | |
| 3 | # Author: Tim Pope <rxvt-unicodeNOSPAM@tpope.info> |
3 | # Author: Tim Pope <rxvt-unicodeNOSPAM@tpope.org> |
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4 | # Bob Farrell <robertanthonyfarrell@gmail.com> |
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5 | |
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6 | #:META:RESOURCE:%.launcher:string:default launcher command |
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7 | #:META:RESOURCE:%.button:string:the button, yeah |
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8 | #:META:RESOURCE:%.pattern.:string:extra pattern to match |
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9 | #:META:RESOURCE:%.launcher.:string:custom launcher for pattern |
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10 | #:META:RESOURCE:%.rend.:string:custom rednition for pattern |
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11 | |
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12 | =head1 NAME |
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13 | |
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14 | matcher - match strings in terminal output and change their rendition |
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15 | |
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16 | =head1 DESCRIPTION |
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17 | |
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18 | Uses per-line display filtering (C<on_line_update>) to underline text |
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19 | matching a certain pattern and make it clickable. When clicked with the |
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20 | mouse button specified in the C<matcher.button> resource (default 2, or |
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21 | middle), the program specified in the C<matcher.launcher> resource |
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22 | (default, the C<url-launcher> resource, C<sensible-browser>) will be started |
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23 | with the matched text as first argument. The default configuration is |
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24 | suitable for matching URLs and launching a web browser, like the |
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25 | former "mark-urls" extension. |
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26 | |
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27 | The default pattern to match URLs can be overridden with the |
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28 | C<matcher.pattern.0> resource, and additional patterns can be specified |
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29 | with numbered patterns, in a manner similar to the "selection" extension. |
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30 | The launcher can also be overridden on a per-pattern basis. |
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31 | |
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32 | It is possible to activate the most recently seen match or a list of matches |
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33 | from the keyboard. Simply bind a keysym to "perl:matcher:last" or |
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34 | "perl:matcher:list" as seen in the example below. |
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35 | |
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36 | Example: load and use the matcher extension with defaults. |
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37 | |
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38 | URxvt.perl-ext: default,matcher |
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39 | |
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40 | Example: use a custom configuration. |
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41 | |
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42 | URxvt.url-launcher: sensible-browser |
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43 | URxvt.keysym.C-Delete: perl:matcher:last |
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44 | URxvt.keysym.M-Delete: perl:matcher:list |
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45 | URxvt.matcher.button: 1 |
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46 | URxvt.matcher.pattern.1: \\bwww\\.[\\w-]+\\.[\\w./?&@#-]*[\\w/-] |
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47 | URxvt.matcher.pattern.2: \\B(/\\S+?):(\\d+)(?=:|$) |
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48 | URxvt.matcher.launcher.2: gvim +$2 $1 |
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49 | |
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50 | =cut |
| 4 | |
51 | |
| 5 | my $url = |
52 | my $url = |
| 6 | qr{ |
53 | qr{ |
| 7 | (?:https?://|ftp://|news://|mailto:|file://|\bwww\.)[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~#]+ |
54 | (?:https?://|ftp://|news://|mailto:|file://|\bwww\.) |
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55 | [\w\-\@;\/?:&=%\$.+!*\x27,~#]* |
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56 | ( |
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57 | \([\w\-\@;\/?:&=%\$.+!*\x27,~#]*\)| # Allow a pair of matched parentheses |
| 8 | [ab-zA-Z0-9\-\@;\/?:&=%\$_+*()~] # exclude some trailing characters (heuristic) |
58 | [\w\-\@;\/?:&=%\$+*~] # exclude some trailing characters (heuristic) |
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59 | )+ |
| 9 | }x; |
60 | }x; |
| 10 | |
61 | |
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62 | sub on_key_press { |
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63 | my ($self, $event, $keysym, $octets) = @_; |
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64 | |
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65 | return unless $self->{overlay}; |
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66 | |
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67 | delete $self->{overlay}; |
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68 | |
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69 | my $i = ($keysym == 96 ? 0 : $keysym - 48); |
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70 | if ($i >= 0 && $i < @{ $self->{matches} }) { |
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71 | my @exec = @{ $self->{matches}[$i] }; |
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72 | shift @exec; |
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73 | $self->exec_async (@exec); |
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74 | } |
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75 | |
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76 | 1 |
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77 | } |
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78 | |
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79 | # backwards compat |
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80 | sub on_user_command { |
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81 | my ($self, $cmd) = @_; |
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82 | |
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83 | if ($cmd =~ s/^matcher:list\b//) { |
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84 | $self->matchlist; |
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85 | } else { |
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86 | if ($cmd =~ s/^matcher:last\b//) { |
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87 | $self->most_recent; |
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88 | } elsif ($cmd =~ s/^matcher\b//) { |
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89 | # for backward compatibility |
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90 | $self->most_recent; |
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91 | } |
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92 | } |
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93 | |
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94 | () |
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95 | } |
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96 | |
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97 | sub matchlist { |
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98 | my ($self) = @_; |
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99 | |
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100 | @{ $self->{matches} } = (); |
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101 | my $row = $self->nrow - 1; |
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102 | while ($row >= 0 && @{ $self->{matches} } < 10) { |
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103 | my $line = $self->line ($row); |
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104 | my $text = $line->t; |
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105 | |
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106 | # FIXME: code duplicated from 'command_for' |
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107 | for my $matcher (@{$self->{matchers}}) { |
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108 | my $launcher = $matcher->[1] || $self->{launcher}; |
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109 | while ($text =~ /$matcher->[0]/g) { |
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110 | my $match = substr ($text, $-[0], $+[0] - $-[0]); |
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111 | my @beg = @-; |
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112 | my @end = @+; |
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113 | my @exec; |
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114 | |
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115 | if ($launcher !~ /\$/) { |
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116 | @exec = ($launcher, $match); |
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117 | } else { |
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118 | @exec = map { s/\$(\d+)|\$\{(\d+)\}/ |
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119 | substr ($text, $beg[$1 || $2], $end[$1 || $2] - $beg[$1 || $2]) |
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120 | /egx; $_ } split /\s+/, $launcher; |
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121 | } |
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122 | |
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123 | push @{ $self->{matches} }, [ $match, @exec ]; |
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124 | } |
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125 | } |
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126 | |
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127 | $row = $line->beg - 1; |
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128 | } |
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129 | |
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130 | return unless @{ $self->{matches} }; |
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131 | |
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132 | my $width = 0; |
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133 | |
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134 | my $i = 0; |
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135 | for my $match (@{ $self->{matches} }) { |
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136 | my $text = $match->[0]; |
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137 | my $w = $self->strwidth ("$i-$text"); |
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138 | |
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139 | $width = $w if $w > $width; |
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140 | $i++; |
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141 | } |
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142 | |
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143 | $width = $self->ncol - 2 if $width > $self->ncol - 2; |
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144 | |
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145 | $self->{overlay} = $self->overlay (0, 0, $width, scalar (@{ $self->{matches} }), urxvt::OVERLAY_RSTYLE, 2); |
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146 | my $i = 0; |
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147 | for my $match (@{ $self->{matches} }) { |
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148 | my $text = $match->[0]; |
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149 | |
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150 | $self->{overlay}->set (0, $i, "$i-$text"); |
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151 | $i++; |
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152 | } |
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153 | |
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154 | } |
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155 | |
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156 | sub most_recent { |
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157 | my ($self) = shift; |
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158 | my $row = $self->nrow; |
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159 | my @exec; |
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160 | while($row-- > $self->top_row) { |
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161 | @exec = $self->command_for($row); |
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162 | last if(@exec); |
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163 | } |
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164 | if(@exec) { |
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165 | return $self->exec_async (@exec); |
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166 | } |
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167 | () |
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168 | } |
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169 | |
| 11 | sub my_resource { |
170 | sub my_resource { |
| 12 | my $self = shift; |
171 | $_[0]->x_resource ("%.$_[1]") |
| 13 | $self->x_resource("$self->{name}.$_[0]"); |
172 | } |
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173 | |
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174 | # turn a rendition spec in the resource into a sub that implements it on $_ |
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175 | sub parse_rend { |
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176 | my ($self, $str) = @_; |
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177 | my ($mask, $fg, $bg, $failed) = $str ? urxvt::rend2mask($str) |
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178 | : (urxvt::RS_Uline, undef, undef, []); |
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179 | warn "Failed to parse rendition string: " . join(',', @$failed) if @$failed; |
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180 | my @rend; |
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181 | push @rend, sub { $_ |= $mask } if $mask; |
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182 | push @rend, sub { $_ = urxvt::SET_FGCOLOR($_, $fg) } if defined $fg; |
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183 | push @rend, sub { $_ = urxvt::SET_BGCOLOR($_, $bg) } if defined $bg; |
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184 | sub { |
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185 | for my $s ( @rend ) { &$s }; |
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186 | } |
| 14 | } |
187 | } |
| 15 | |
188 | |
| 16 | sub on_start { |
189 | sub on_start { |
| 17 | my ($self) = @_; |
190 | my ($self) = @_; |
| 18 | |
191 | |
| 19 | ($self->{name} = __PACKAGE__) =~ s/.*:://; |
192 | $self->{launcher} = $self->my_resource ("launcher") || $self->x_resource("url-launcher") || "sensible-browser"; |
| 20 | $self->{name} =~ tr/_/-/; |
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| 21 | $self->{launcher} = $self->my_resource("launcher") || |
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| 22 | $self->x_resource("urlLauncher") || |
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| 23 | "sensible-browser"; |
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| 24 | |
193 | |
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194 | $self->{matches} = []; |
| 25 | $self->{button} = 2; |
195 | $self->{button} = 2; |
| 26 | $self->{state} = 0; |
196 | $self->{state} = 0; |
| 27 | if($self->{argv}[0] || $self->my_resource("button")) { |
197 | if($self->{argv}[0] || $self->my_resource ("button")) { |
| 28 | my @mods = split('', $self->{argv}[0] || $self->my_resource("button")); |
198 | my @mods = split '', $self->{argv}[0] || $self->my_resource ("button"); |
| 29 | for my $mod (@mods) { |
199 | for my $mod (@mods) { |
| 30 | if($mod =~ /^\d+$/) { |
200 | if($mod =~ /^\d+$/) { |
| 31 | $self->{button} = $mod; |
201 | $self->{button} = $mod; |
| 32 | } elsif($mod eq "C") { |
202 | } elsif($mod eq "C") { |
| 33 | $self->{state} |= urxvt::ControlMask; |
203 | $self->{state} |= urxvt::ControlMask; |
| 34 | } elsif($mod eq "S") { |
204 | } elsif($mod eq "S") { |
| 35 | $self->{state} |= urxvt::ShiftMask; |
205 | $self->{state} |= urxvt::ShiftMask; |
| 36 | } elsif($mod eq "M") { |
206 | } elsif($mod eq "M") { |
| 37 | $self->{state} |= $self->ModMetaMask; |
207 | $self->{state} |= $self->ModMetaMask; |
| 38 | } elsif($mod ne "-" && $mod ne " ") { |
208 | } elsif($mod ne "-" && $mod ne " ") { |
| 39 | warn("$mod is invalid in $self->{name}<$self->{argv}[0]>\n"); |
209 | warn("$mod is invalid in $self->{_name}<$self->{argv}[0]>\n"); |
| 40 | } |
210 | } |
| 41 | } |
211 | } |
| 42 | } |
212 | } |
| 43 | |
213 | |
| 44 | my @defaults = ($url); |
214 | my @defaults = ($url); |
| 45 | my @matchers; |
215 | my @matchers; |
| 46 | for (my $idx = 0; defined (my $res = $self->my_resource("pattern.$idx") || $defaults[$idx]); $idx++) { |
216 | for (my $idx = 0; defined (my $res = $self->my_resource ("pattern.$idx") || $defaults[$idx]); $idx++) { |
| 47 | $res = $self->locale_decode ($res); |
217 | $res = $self->locale_decode ($res); |
| 48 | utf8::encode $res; |
218 | utf8::encode $res; |
| 49 | my $launcher = $self->my_resource("launcher.$idx"); |
219 | my $launcher = $self->my_resource ("launcher.$idx"); |
| 50 | $launcher =~ s/\$&|\$\{&\}/\${0}/g if ($launcher); |
220 | $launcher =~ s/\$&|\$\{&\}/\${0}/g if $launcher; |
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221 | my $rend = $self->parse_rend($self->my_resource ("rend.$idx")); |
| 51 | push @matchers, [qr($res)x,$launcher]; |
222 | unshift @matchers, [qr($res)x,$launcher,$rend]; |
| 52 | } |
223 | } |
| 53 | $self->{matchers} = \@matchers; |
224 | $self->{matchers} = \@matchers; |
| 54 | |
225 | |
| 55 | () |
226 | () |
| 56 | } |
227 | } |
| … | |
… | |
| 64 | my $i = 0; |
235 | my $i = 0; |
| 65 | |
236 | |
| 66 | # find all urls (if any) |
237 | # find all urls (if any) |
| 67 | for my $matcher (@{$self->{matchers}}) { |
238 | for my $matcher (@{$self->{matchers}}) { |
| 68 | while ($text =~ /$matcher->[0]/g) { |
239 | while ($text =~ /$matcher->[0]/g) { |
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240 | #print "$&\n"; |
| 69 | my $rend = $line->r; |
241 | my $rend = $line->r; |
| 70 | |
242 | |
| 71 | # mark all characters as underlined. we _must_ not toggle underline, |
243 | # mark all characters as underlined. we _must_ not toggle underline, |
| 72 | # as we might get called on an already-marked url. |
244 | # as we might get called on an already-marked url. |
| 73 | $_ |= urxvt::RS_Uline |
245 | &{$matcher->[2]} |
| 74 | for @{$rend}[ $-[0] .. $+[0] - 1]; |
246 | for @{$rend}[ $-[0] .. $+[0] - 1]; |
| 75 | |
247 | |
| 76 | $line->r ($rend); |
248 | $line->r ($rend); |
| 77 | } |
249 | } |
| 78 | } |
250 | } |
| … | |
… | |
| 97 | my $launcher = $matcher->[1] || $self->{launcher}; |
269 | my $launcher = $matcher->[1] || $self->{launcher}; |
| 98 | while (($text =~ /$matcher->[0]/g)) { |
270 | while (($text =~ /$matcher->[0]/g)) { |
| 99 | my $match = $&; |
271 | my $match = $&; |
| 100 | my @begin = @-; |
272 | my @begin = @-; |
| 101 | my @end = @+; |
273 | my @end = @+; |
| 102 | if ($-[0] <= $col && $+[0] >= $col) { |
274 | if (!defined($col) || ($-[0] <= $col && $+[0] >= $col)) { |
| 103 | if ($launcher !~ /\$/) { |
275 | if ($launcher !~ /\$/) { |
| 104 | return ($launcher,$match); |
276 | return ($launcher,$match); |
| 105 | } else { |
277 | } else { |
| 106 | # It'd be nice to just access a list like ($&,$1,$2...), |
278 | # It'd be nice to just access a list like ($&,$1,$2...), |
| 107 | # but alas, m//g behaves differently in list context. |
279 | # but alas, m//g behaves differently in list context. |
| … | |
… | |
| 117 | () |
289 | () |
| 118 | } |
290 | } |
| 119 | |
291 | |
| 120 | sub on_button_press { |
292 | sub on_button_press { |
| 121 | my ($self, $event) = @_; |
293 | my ($self, $event) = @_; |
| 122 | if($self->valid_button($event)) { |
294 | if($self->valid_button($event) |
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295 | && (my @exec = $self->command_for($event->{row},$event->{col}))) { |
| 123 | $self->{row} = $event->{row}; |
296 | $self->{row} = $event->{row}; |
| 124 | $self->{col} = $event->{col}; |
297 | $self->{col} = $event->{col}; |
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298 | $self->{cmd} = \@exec; |
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299 | return 1; |
| 125 | } else { |
300 | } else { |
| 126 | delete $self->{row}; |
301 | delete $self->{row}; |
| 127 | delete $self->{col}; |
302 | delete $self->{col}; |
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303 | delete $self->{cmd}; |
| 128 | } |
304 | } |
| 129 | |
305 | |
| 130 | () |
306 | () |
| 131 | } |
307 | } |
| 132 | |
308 | |
| 133 | sub on_button_release { |
309 | sub on_button_release { |
| 134 | my ($self, $event) = @_; |
310 | my ($self, $event) = @_; |
| 135 | |
311 | |
| 136 | my $row = delete $self->{row}; |
312 | my $row = delete $self->{row}; |
| 137 | my $col = delete $self->{col}; |
313 | my $col = delete $self->{col}; |
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314 | my $cmd = delete $self->{cmd}; |
| 138 | |
315 | |
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316 | return if !defined $row; |
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317 | |
| 139 | if(defined($row) && $row == $event->{row} && abs($col-$event->{col}) < 2) { |
318 | if($row == $event->{row} && abs($col-$event->{col}) < 2 |
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319 | && join("\x00", @$cmd) eq join("\x00", $self->command_for($row,$col))) { |
| 140 | if($self->valid_button($event)) { |
320 | if($self->valid_button($event)) { |
| 141 | |
321 | |
| 142 | my @exec = $self->command_for($row,$col); |
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| 143 | if(@exec) { |
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| 144 | return $self->exec_async (@exec); |
322 | $self->exec_async (@$cmd); |
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323 | |
| 145 | } |
324 | } |
| 146 | |
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| 147 | } |
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| 148 | } |
325 | } |
| 149 | |
326 | |
| 150 | () |
327 | 1; |
| 151 | } |
328 | } |
| 152 | |
329 | |
| 153 | # vim:set sw=3 sts=3 et: |
330 | # vim:set sw=3 sts=3 et: |
