[ViewVC] Diff of: cvs/rxvt-unicode/src/urxvt.pm

Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.37 by root, Fri Jan 6 03:40:19 2006 UTC vs.
Revision 1.48 by root, Sat Jan 7 21:43:17 2006 UTC

    @@RXVT_NAME@@ --perl-lib $HOME -pe grab_test
 =head1 DESCRIPTION
-Everytime a terminal object gets created, scripts specified via the
+Everytime a terminal object gets created, extension scripts specified via
-C<perl> resource are loaded and associated with it.
+the C<perl> resource are loaded and associated with it.
 Scripts are compiled in a 'use strict' and 'use utf8' environment, and
 thus must be encoded as UTF-8.
 Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where
 Displays a digital clock using the built-in overlay.
 =item mark-urls
-Uses per-line filtering (C<on_line_update>) to underline urls.
+Uses per-line display filtering (C<on_line_update>) to underline urls.
+=item block-graphics-to-ascii
+A not very useful example of filtering all text output to the terminal,
+by replacing all line-drawing characters (U+2500 .. U+259F) by a
+similar-looking ascii character.
 =item example-refresh-hooks
 Displays a very simple digital clock in the upper right corner of the
 window. Illustrates overwriting the refresh callbacks to create your own
 overlays or changes.
-=item example-filter-input
-A not very useful example of filtering all text output to the terminal, by
-underlining all urls that matches a certain regex (i.e. some urls :). It
-is not very useful because urls that are output in multiple steps (e.g.
-when typing them) do not get marked.
 =back
 =head2 General API Considerations
 =back
 =head2 Hooks
-The following subroutines can be declared in loaded scripts, and will be
+The following subroutines can be declared in extension files, and will be
 called whenever the relevant event happens.
 The first argument passed to them is an object private to each terminal
-and extension package.  You can call all C<urxvt::term> methods on it, but
+and extension package. You can call all C<urxvt::term> methods on it, but
 its not a real C<urxvt::term> object. Instead, the real C<urxvt::term>
 object that is shared between all packages is stored in the C<term>
-member.
+member. It is, however, blessed intot he package of the extension script,
+so for all practical purposes you can treat an extension script as a class.
 All of them must return a boolean value. If it is true, then the event
 counts as being I<consumed>, and the invocation of other hooks is skipped,
 and the relevant action might not be carried out by the C++ code.
 click) and is either supposed to return false (normal operation), or
 should extend the selection itelf and return true to suppress the built-in
 processing.
 See the F<selection> example extension.
-=item on_focus_in $term
-Called whenever the window gets the keyboard focus, before urxvt does
-focus in processing.
-=item on_focus_out $term
-Called wheneever the window loses keyboard focus, before urxvt does focus
-out processing.
 =item on_view_change $term, $offset
 Called whenever the view offset changes, i..e the user or program
 scrolls. Offset C<0> means display the normal terminal, positive values
 Called whenever the user presses a key combination that has a
 C<perl:string> action bound to it (see description of the B<keysym>
 resource in the @@RXVT_NAME@@(1) manpage).
+=item on_focus_in $term
+Called whenever the window gets the keyboard focus, before rxvt-unicode
+does focus in processing.
+=item on_focus_out $term
+Called wheneever the window loses keyboard focus, before rxvt-unicode does
+focus out processing.
-=item on_key_press $term, $event
+=item on_key_press $term, $event, $octets
 =item on_key_release $term, $event
 =item on_button_press $term, $event
 =item on_button_release $term, $event
 =item on_motion_notify $term, $event
+=item on_map_notify $term, $event
+=item on_unmap_notify $term, $event
-Called whenever the corresponding X event is received for the terminal. If
+Called whenever the corresponding X event is received for the terminal If
 the hook returns true, then the even will be ignored by rxvt-unicode.
+The event is a hash with most values as named by Xlib (see the XEvent
+manpage), with the additional members C<row> and C<col>, which are the row
+and column under the mouse cursor.
+C<on_key_press> additionally receives the string rxvt-unicode would
+output, if any, in locale-specific encoding.
 subwindow.
 =back
 =head2 Variables in the C<urxvt> Package
 =over 4
 =item $urxvt::TERM
-The current terminal. Whenever a callback/Hook is bein executed, this
+The current terminal. This variable stores the current C<urxvt::term>
-variable stores the current C<urxvt::term> object.
+object, whenever a callback/hook is executing.
 =back
 =head2 Functions in the C<urxvt> Package
 =item $time = urxvt::NOW
 Returns the "current time" (as per the event loop).
+=item urxvt::CurrentTime
+=item urxvt::ShiftMask, LockMask, ControlMask, Mod1Mask, Mod2Mask,
+Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask,
+Button4Mask, Button5Mask, AnyModifier
+Various constants for use in X events.
 =back
 =head2 RENDITION
 Rendition bitsets contain information about colour, font, font styles and
 =cut
 package urxvt;
+use utf8;
 use strict;
 use Scalar::Util ();
+use List::Util ();
 our $TERM;
 our @HOOKNAME;
 our $LIBDIR;
       $hook_count[$htype]++
          or set_should_invoke $htype, 1;
    }
 }
-my $script_pkg = "script0000";
+my $extension_pkg = "extension0000";
-my %script_pkg;
+my %extension_pkg;
 # load a single script into its own package, once only
-sub script_package($) {
+sub extension_package($) {
    my ($path) = @_;
-   $script_pkg{$path} ||= do {
+   $extension_pkg{$path} ||= do {
-      my $pkg = "urxvt::" . ($script_pkg++);
+      my $pkg = "urxvt::" . ($extension_pkg++);
-      verbose 3, "loading script '$path' into package '$pkg'";
+      verbose 3, "loading extension '$path' into package '$pkg'";
       open my $fh, "<:raw", $path
          or die "$path: $!";
       my $source = "package $pkg; use strict; use utf8;\n"
+                   . "use base urxvt::term::proxy::;\n"
                    . "#line 1 \"$path\"\n{\n"
                    . (do { local $/; <$fh> })
                    . "\n};\n1";
       eval $source or die "$path: $@";
    my $htype = shift;
    if ($htype == 0) { # INIT
       my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$LIBDIR/perl");
-      for my $ext (map { split /:/, $TERM->resource ("perl_ext_$_") } 1, 2) {
+      for my $ext (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) {
          my @files = grep -f $_, map "$_/$ext", @dirs;
          if (@files) {
-            register_package script_package $files[0];
+            register_package extension_package $files[0];
          } else {
             warn "perl extension '$ext' not found in perl library search path\n";
          }
       }
    }
          if $verbosity >= 10;
       keys %$cb;
       while (my ($pkg, $cb) = each %$cb) {
+         eval {
-         $retval = $cb->(
+            $retval = $cb->(
-            $TERM->{_pkg}{$pkg} ||= do {
+               $TERM->{_pkg}{$pkg} ||= do {
-               my $proxy = bless { }, urxvt::term::proxy::;
+                  my $proxy = bless { }, $pkg;
-               Scalar::Util::weaken ($proxy->{term} = $TERM);
+                  Scalar::Util::weaken ($proxy->{term} = $TERM);
-               $proxy
+                  $proxy
-            },
+               },
-            @_,
+               @_,
-         ) and last;
+            ) and last;
+         };
+         warn $@ if $@;#d#
       }
    }
    if ($htype == 1) { # DESTROY
       # remove hooks if unused
       }
       1
    } or die "FATAL: unable to compile method forwarder: $@";
    goto &$urxvt::term::proxy::AUTOLOAD;
+}
+sub urxvt::destroy_hook::DESTROY {
+   ${$_[0]}->();
+}
+sub urxvt::destroy_hook(&) {
+   bless \shift, urxvt::destroy_hook::
 }
 =head2 The C<urxvt::term> Class
 =over 4
 =cut
 sub urxvt::term::resource($$;$) {
    my ($self, $name) = (shift, shift);
    unshift @_, $self, $name, ($name =~ s/\s*\+\s*(\d+)$// ? $1 : 0);
-   goto &urxvt::term::_resource;
+   &urxvt::term::_resource
 }
 =item $rend = $term->rstyle ([$new_rstyle])
 Return and optionally change the current rendition. Text that is output by
 If hidden, display the overlay again.
 =back
+=item $popup = $term->popup ($event)
+Creates a new C<urxvt::popup> object that implements a popup menu. The
+C<$event> I<must> be the event causing the menu to pop up (a button event,
+currently).
+=cut
+sub urxvt::term::popup {
+   my ($self, $event) = @_;
+   $self->grab ($event->{time}, 1)
+      or return;
+   my $popup = bless {
+      term  => $self,
+      event => $event,
+   }, urxvt::popup::;
+   Scalar::Util::weaken $popup->{term};
+   $self->{_destroy}{$popup} = urxvt::destroy_hook { $popup->{popup}->destroy };
+   Scalar::Util::weaken $self->{_destroy}{$popup};
+   $popup
+}
-=item $cellwidth = $term->strwidth $string
+=item $cellwidth = $term->strwidth ($string)
 Returns the number of screen-cells this string would need. Correctly
 accounts for wide and combining characters.
-=item $octets = $term->locale_encode $string
+=item $octets = $term->locale_encode ($string)
 Convert the given text string into the corresponding locale encoding.
-=item $string = $term->locale_decode $octets
+=item $string = $term->locale_decode ($octets)
 Convert the given locale-encoded octets into a perl string.
 =item $term->scr_add_lines ($string)
 Write the octets given in C<$data> to the tty (i.e. as program input). To
 pass characters instead of octets, you should convert your strings first
 to the locale-specific encoding using C<< $term->locale_encode >>.
+=item $windowid = $term->parent
+Return the window id of the toplevel window.
+=item $windowid = $term->vt
+Return the window id of the terminal window.
 =item $window_width = $term->width
 =item $window_height = $term->height
 =item $font_width = $term->fwidth
 =item $nrow_plus_saveLines = $term->total_rows
 =item $lines_in_scrollback = $term->nsaved
 Return various integers describing terminal characteristics.
+=item $modifiermask = $term->ModLevel3Mask
+=item $modifiermask = $term->ModMetaMask
+=item $modifiermask = $term->ModNumLockMask
+Return the modifier masks corresponding to the "ISO Level 3 Shift" (often
+AltGr), the meta key (often Alt) and the num lock key, if applicable.
 =item $view_start = $term->view_start ([$newvalue])
 Returns the negative row number of the topmost line. Minimum value is
 C<0>, which displays the normal terminal contents. Larger values scroll
 Converts rxvt-unicodes text reprsentation into a perl string. See
 C<< $term->ROW_t >> for details.
 =back
+=head2 The C<urxvt::popup> Class
+=over 4
+=cut
+package urxvt::popup;
+sub add_item {
+   my ($self, $item) = @_;
+   push @{ $self->{item} }, $item;
+}
+sub add_button {
+   my ($self, $text, $cb) = @_;
+   $self->add_item ({ type => "button", text => "[ $text ]", activate => $cb,
+      render => sub { $_[0]{text} },
+   });
+}
+sub add_toggle {
+   my ($self, $text, $cb, $value) = @_;
+   $self->add_item ({ type => "button", text => "  $text", value => $value,
+      render => sub { ($_[0]{value} ? "✔" : " ") . substr $_[0]{text}, 1 },
+      activate => sub { $cb->($_[0]{value} = !$_[0]{value}); },
+   });
+}
+sub show {
+   my ($self) = @_;
+   local $urxvt::popup::self = $self;
+   urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0,
+               "--transient-for" => $self->{term}->parent,
+               "-pe" => "urxvt-popup")
+      or die "unable to create popup window\n";
+}
+sub DESTROY {
+   my ($self) = @_;
+   $self->{term}->ungrab;
+}
 =head2 The C<urxvt::timer> Class
 This class implements timer watchers/events. Time is represented as a
 fractional number of seconds since the epoch. Example:

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Comparing rxvt-unicode/src/urxvt.pm (file contents): Revision 1.37 by root, Fri Jan 6 03:40:19 2006 UTC vs. Revision 1.48 by root, Sat Jan 7 21:43:17 2006 UTC

Diff Legend

Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.37 by root, Fri Jan 6 03:40:19 2006 UTC vs.
Revision 1.48 by root, Sat Jan 7 21:43:17 2006 UTC