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#! perl |
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#:META:RESOURCE:url-launcher:string:shell command to use |
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=head1 NAME |
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selection-popup (enabled by default) |
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=head1 DESCRIPTION |
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Binds a popup menu to Ctrl-Button3 that lets you convert the selection |
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text into various other formats/action (such as uri unescaping, perl |
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evaluation, web-browser starting etc.), depending on content. |
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Other extensions can extend this popup menu by pushing a code reference |
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onto C<< @{ $term->{selection_popup_hook} } >>, which gets called whenever |
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the popup is being displayed. |
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Its sole argument is the popup menu, which can be modified. The selection |
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is in C<$_>, which can be used to decide whether to add something or not. |
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It should either return nothing or a string and a code reference. The |
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string will be used as button text and the code reference will be called |
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when the button gets activated and should transform C<$_>. |
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The following will add an entry C<a to b> that transforms all C<a>s in |
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the selection to C<b>s, but only if the selection currently contains any |
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C<a>s: |
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push @{ $self->{term}{selection_popup_hook} }, sub { |
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/a/ ? ("a to b" => sub { s/a/b/g } |
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: () |
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}; |
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=cut |
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sub msg { |
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my ($self, $msg) = @_; |
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my $overlay = $self->overlay (0, 0, $self->strwidth ($msg), 1); |
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$overlay->set (0, 0, $msg); |
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my $iow; $iow = urxvt::timer->new->after (1)->cb (sub { |
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undef $overlay; |
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undef $iow; |
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}); |
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} |
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sub on_start { |
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my ($self) = @_; |
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$self->{browser} = $self->x_resource ("url-launcher") || "sensible-browser"; |
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$self->grab_button (3, urxvt::ControlMask); |
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() |
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} |
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sub on_button_press { |
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my ($self, $event) = @_; |
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if ($event->{button} == 3 && $event->{state} & urxvt::ControlMask) { |
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my $popup = $self->popup ($event) |
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or return 1; |
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$popup->add_title ("Convert Selection"); |
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my $text = $self->selection; |
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my $title = $text; |
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$title =~ s/[\x00-\x1f\x80-\x9f]/·/g; |
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substr $title, 40, -1, "..." if 40 < length $title; |
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$popup->add_title ($title); |
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$popup->add_separator; |
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my $add_button = sub { |
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my ($title, $cb) = @_; |
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$popup->add_button ($title => sub { |
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for ($text) { |
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my $orig = $_; |
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$cb->(); |
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if ($orig ne $_) { |
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$self->selection ($_); |
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s/[\x00-\x1f\x80-\x9f]/·/g; |
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$self->msg ($self->special_encode ($_)); |
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} |
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} |
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}); |
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}; |
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for ($text) { |
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/\n/ |
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and $add_button->("newlines to spaces" => sub { y/\n/ / }); |
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/./ |
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and $add_button->("rot13" => sub { y/A-Za-z/N-ZA-Mn-za-m/ }); |
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/./ |
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and $add_button->("eval perl expression" => sub { my $self = $self; no warnings; $_ = eval $_; $_ = "$@" if $@ }); |
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/./ |
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and $add_button->((sprintf "to unicode hex index (%x)", ord) => sub { $_ = sprintf "%x", ord }); |
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/(\S+):(\d+):?/ |
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and $add_button->("vi-commands to load '$1'" => sub { s/^(\S+):(\d+):?$/\x1b:e $1\x0d:$2\x0d/ }); |
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/%[0-9a-fA-F]{2}/ && !/%[^0-9a-fA-F]/ && !/%.[^0-9a-fA-F]/ |
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and $add_button->("uri unescape" => sub { s/%([0-9a-fA-F]{2})/chr hex $1/ge }); |
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/[\\"'\ \t|&;<>()]/ |
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and $add_button->("shell quote" => sub { $_ = "\Q$_" }); |
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/^(https?|ftp|telnet|irc|news):\// |
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and $add_button->("run $self->{browser}" => sub { $self->exec_async ($self->{browser}, $_) }); |
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for my $hook (@{ $self->{term}{selection_popup_hook} || [] }) { |
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if (my ($title, $cb) = $hook->($popup)) { |
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$add_button->($title, $cb); |
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} |
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} |
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if (/^\s*((?:0x)?\d+)\s*$/) { |
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$popup->add_title (sprintf "%20s", eval $1); |
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$popup->add_title (sprintf "%20s", sprintf "0x%x", eval $1); |
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$popup->add_title (sprintf "%20s", sprintf "0%o", eval $1); |
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} |
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} |
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$popup->show; |
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return 1; |
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} |
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() |
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} |
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