--- rxvt-unicode/src/urxvt.pm 2006/01/10 05:00:13 1.75 +++ rxvt-unicode/src/urxvt.pm 2006/01/20 15:57:21 1.115 @@ -37,16 +37,42 @@ @@RXVT_NAME@@ -pe +Or by adding them to the resource for extensions loaded by default: + + URxvt.perl-ext-common: default,automove-background,selection-autotransform + =over 4 =item selection (enabled by default) (More) intelligent selection. This extension tries to be more intelligent -when the user extends selections (double-click). Right now, it tries to -select urls and complete shell-quoted arguments, which is very convenient, -too, if your F supports C<--quoting-style=shell>. +when the user extends selections (double-click and further clicks). Right +now, it tries to select words, urls and complete shell-quoted +arguments, which is very convenient, too, if your F supports +C<--quoting-style=shell>. + +A double-click usually selects the word under the cursor, further clicks +will enlarge the selection. + +The selection works by trying to match a number of regexes and displaying +them in increasing order of length. You can add your own regexes by +specifying resources of the form: + + URxvt.selection.pattern-0: perl-regex + URxvt.selection.pattern-1: perl-regex + ... + +The index number (0, 1...) must not have any holes, and each regex must +contain at least one pair of capturing parentheses, which will be used for +the match. For example, the followign adds a regex that matches everything +between two vertical bars: + + URxvt.selection.pattern-0: \\|([^|]+)\\| + +You can look at the source of the selection extension to see more +interesting uses, such as parsing a line from beginning to end. -It also offers the following bindable keyboard command: +This extension also offers following bindable keyboard commands: =over 4 @@ -69,24 +95,99 @@ text into various other formats/action (such as uri unescaping, perl evalution, web-browser starting etc.), depending on content. +Other extensions can extend this popup menu by pushing a code reference +onto C<@{ $term->{selection_popup_hook} }>, that is called whenever the +popup is displayed. + +It's sole argument is the popup menu, which can be modified. The selection +is in C<$_>, which can be used to decide wether to add something or not. +It should either return nothing or a string and a code reference. The +string will be used as button text and the code reference will be called +when the button gets activated and should transform C<$_>. + +The following will add an entry C that transforms all Cs in +the selection to Cs, but only if the selection currently contains any +Cs: + + push @{ $self->{term}{selection_popup_hook} }, sub { + /a/ ? ("a to be" => sub { s/a/b/g } + : () + }; + =item searchable-scrollback (enabled by default) Adds regex search functionality to the scrollback buffer, triggered -by a hotkey (default: C). When in search mode, normal terminal -input/output is suspended. +by a hotkey (default: C). While in search mode, normal terminal +input/output is suspended and a regex is displayed at the bottom of the +screen. -C starts an incremental regex search, C searches further, C

or -C jump to the previous match, C jumps to the bottom and clears the -history, C leaves search mode at the current position and C -returns to the original position. +Inputting characters appends them to the regex and continues incremental +search. C removes a character from the regex, C and C +search upwards/downwards in the scrollback buffer, C jumps to the +bottom. C leaves search mode and returns to the point where search +was started, while C or C stay at the current position and +additionally stores the first match in the current line into the primary +selection. -=item digital-clock +=item selection-autotransform -Displays a digital clock using the built-in overlay. +This selection allows you to do automatic transforms on a selection +whenever a selection is made. + +It works by specifying perl snippets (most useful is a single C +operator) that modify C<$_> as resources: + + URxvt.selection-autotransform.0: transform + URxvt.selection-autotransform.1: transform + ... + +For example, the following will transform selections of the form +C, often seen in compiler messages, into C: + + URxvt.selection-autotransform.0: s/^([^:[:space:]]+):(\\d+):?$/vi +$2 \\Q$1\\E\\x0d/ + +And this example matches the same,but replaces it with vi-commands you can +paste directly into your (vi :) editor: + + URxvt.selection-autotransform.0: s/^([^:[:space:]]+(\\d+):?$/:e \\Q$1\\E\\x0d:$2\\x0d/ + +Of course, this can be modified to suit your needs and your editor :) + +To expand the example above to typical perl error messages ("XXX at +FILENAME line YYY."), you need a slightly more elaborate solution: + + URxvt.selection.pattern-0: ( at .*? line \\d+[,.]) + URxvt.selection-autotransform.0: s/^ at (.*?) line (\\d+)[,.]$/:e \\Q$1\E\\x0d:$2\\x0d/ + +The first line tells the selection code to treat the unchanging part of +every error message as a selection pattern, and the second line transforms +the message into vi commands to load the file. + +=item tabbed + +This transforms the terminal into a tabbar with additional terminals, that +is, it implements what is commonly refered to as "tabbed terminal". The topmost line +displays a "[NEW]" button, which, when clicked, will add a new tab, followed by one +button per tab. + +Clicking a button will activate that tab. Pressing Shift-Left and +Shift-Right will switch to the tab left or right of the current one. =item mark-urls -Uses per-line display filtering (C) to underline urls. +Uses per-line display filtering (C) to underline urls and +make them clickable. When middle-clicked, the program specified in the +resource C (default C) will be started with +the URL as first argument. + +=item automove-background + +This is basically a one-line extension that dynamically changes the background pixmap offset +to the window position, in effect creating the same effect as pseudo transparency with +a custom pixmap. No scaling is supported in this mode. Exmaple: + + @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background =item block-graphics-to-ascii @@ -94,12 +195,45 @@ by replacing all line-drawing characters (U+2500 .. U+259F) by a similar-looking ascii character. +=item digital-clock + +Displays a digital clock using the built-in overlay. + =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 selection-pastebin + +This is a little rarely useful extension that Uploads the selection as +textfile to a remote site (or does other things). (The implementation is +not currently secure for use in a multiuser environment as it writes to +F directly.). + +It listens to the C keyboard command, +i.e. + + URxvt.keysym.C-M-e: perl:selection-pastebin:remote-pastebin + +Pressing this combination runs a command with C<%> replaced by the name of +the textfile. This command can be set via a resource: + + URxvt.selection-pastebin.cmd: rsync -apP % ruth:/var/www/www.ta-sa.org/files/txt/. + +And the default is likely not useful to anybody but the few people around +here :) + +The name of the textfile is the hex encoded md5 sum of the selection, so +the same content should lead to the same filename. + +After a successful upload the selection will be replaced by the text given +in the C resource (again, the % is the placeholder +for the filename): + + URxvt.selection-pastebin.url: http://www.ta-sa.org/files/txt/% + =back =head1 API DOCUMENTATION @@ -125,7 +259,7 @@ =item $text Rxvt-unicodes special way of encoding text, where one "unicode" character -always represents one screen cell. See L for a discussion of this format. +always represents one screen cell. See L for a discussion of this format. =item $string @@ -181,9 +315,9 @@ The first argument passed to them is an extension oject as described in the in the C section. -B of these hooks must return a boolean value. If it is true, then the -event counts as being I, and the invocation of other hooks is -skipped, and the relevant action might not be carried out by the C++ code. +B of these hooks must return a boolean value. If any of the called +hooks returns true, then the event counts as being I, and the +relevant action might not be carried out by the C++ code. I<< When in doubt, return a false value (preferably C<()>). >> @@ -194,8 +328,20 @@ Called after a new terminal object has been initialized, but before windows are created or the command gets run. Most methods are unsafe to call or deliver senseless data, as terminal size and other characteristics -have not yet been determined. You can safely query and change resources, -though. +have not yet been determined. You can safely query and change resources +and options, though. For many purposes the C hook is a better +place. + +=item on_start $term + +Called at the very end of initialisation of a new terminal, just before +trying to map (display) the toplevel and returning to the mainloop. + +=item on_destroy $term + +Called whenever something tries to destroy terminal, before doing anything +yet. If this hook returns true, then destruction is skipped, but this is +rarely a good idea. =item on_reset $term @@ -203,10 +349,14 @@ control sequences. Here is where you can react on changes to size-related variables. -=item on_start $term +=item on_child_start $term, $pid -Called at the very end of initialisation of a new terminal, just before -returning to the mainloop. +Called just after the child process has been Ced. + +=item on_child_exit $term, $status + +Called just after the child process has exited. C<$status> is the status +from C. =item on_sel_make $term, $eventtime @@ -230,7 +380,9 @@ Called whenever the user tries to extend the selection (e.g. with a double 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. +processing. This can happen multiple times, as long as the callback +returns true, it will be called on every further click by the user and is +supposed to enlarge the selection more and more, if possible. See the F example extension. @@ -307,6 +459,12 @@ C action bound to it (see description of the B resource in the @@RXVT_NAME@@(1) manpage). +=item on_x_event $term, $event + +Called on every X event received on the vt window (and possibly other +windows). Should only be used as a last resort. Most event structure +members are not passed. + =item on_focus_in $term Called whenever the window gets the keyboard focus, before rxvt-unicode @@ -317,6 +475,8 @@ Called wheneever the window loses keyboard focus, before rxvt-unicode does focus out processing. +=item on_configure_notify $term, $event + =item on_key_press $term, $event, $keysym, $octets =item on_key_release $term, $event, $keysym @@ -343,8 +503,40 @@ subwindow. +=item on_client_message $term, $event + +=item on_wm_protocols $term, $event + +=item on_wm_delete_window $term, $event + +Called when various types of ClientMessage events are received (all with +format=32, WM_PROTOCOLS or WM_PROTOCOLS:WM_DELETE_WINDOW). + =back +=cut + +package urxvt; + +use utf8; +use strict; +use Carp (); +use Scalar::Util (); +use List::Util (); + +our $VERSION = 1; +our $TERM; +our @TERM_INIT; +our @TERM_EXT; +our @HOOKNAME; +our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; +our %OPTION; + +our $LIBDIR; +our $RESNAME; +our $RESCLASS; +our $RXVTNAME; + =head2 Variables in the C Package =over 4 @@ -367,7 +559,21 @@ The current terminal. This variable stores the current C object, whenever a callback/hook is executing. -=item +=item @urxvt::TERM_INIT + +All coderefs in this array will be called as methods of the next newly +created C object (during the C phase). The array +gets cleared before the codereferences that were in it are being executed, +so coderefs can push themselves onto it again if they so desire. + +This complements to the perl-eval commandline option, but gets executed +first. + +=item @urxvt::TERM_EXT + +Works similar to C<@TERM_INIT>, but contains perl package/class names, which +get registered as normal extensions after calling the hooks in C<@TERM_INIT> +but before other extensions. Gets cleared just like C<@TERM_INIT>. =back @@ -375,14 +581,6 @@ =over 4 -=item $term = new urxvt [arg...] - -Creates a new terminal, very similar as if you had started it with -C. Croaks (and probably outputs an error message) -if the new instance couldn't be created. Returns C if the new -instance didn't initialise perl, and the terminal object otherwise. The -C and C hooks will be called during the call. - =item urxvt::fatal $errormessage Fatally aborts execution with the given error message. Avoid at all @@ -398,11 +596,7 @@ Using this function has the advantage that its output ends up in the correct place, e.g. on stderr of the connecting urxvtc client. -=item $is_safe = urxvt::safe - -Returns true when it is safe to do potentially unsafe things, such as -evaluating perl code specified by the user. This is true when urxvt was -started setuid or setgid. +Messages have a size limit of 1023 bytes currently. =item $time = urxvt::NOW @@ -414,6 +608,22 @@ Mod3Mask, Mod4Mask, Mod5Mask, Button1Mask, Button2Mask, Button3Mask, Button4Mask, Button5Mask, AnyModifier +=item urxvt::NoEventMask, KeyPressMask, KeyReleaseMask, +ButtonPressMask, ButtonReleaseMask, EnterWindowMask, LeaveWindowMask, +PointerMotionMask, PointerMotionHintMask, Button1MotionMask, Button2MotionMask, +Button3MotionMask, Button4MotionMask, Button5MotionMask, ButtonMotionMask, +KeymapStateMask, ExposureMask, VisibilityChangeMask, StructureNotifyMask, +ResizeRedirectMask, SubstructureNotifyMask, SubstructureRedirectMask, +FocusChangeMask, PropertyChangeMask, ColormapChangeMask, OwnerGrabButtonMask + +=item urxvt::KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify, +EnterNotify, LeaveNotify, FocusIn, FocusOut, KeymapNotify, Expose, +GraphicsExpose, NoExpose, VisibilityNotify, CreateNotify, DestroyNotify, +UnmapNotify, MapNotify, MapRequest, ReparentNotify, ConfigureNotify, +ConfigureRequest, GravityNotify, ResizeRequest, CirculateNotify, +CirculateRequest, PropertyNotify, SelectionClear, SelectionRequest, +SelectionNotify, ColormapNotify, ClientMessage, MappingNotify + Various constants for use in X calls and event processing. =back @@ -472,28 +682,7 @@ =cut -package urxvt; - -use utf8; -use strict; -use Carp (); -use Scalar::Util (); -use List::Util (); - -our $VERSION = 1; -our $TERM; -our @HOOKNAME; -our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; -our %OPTION; - -our $LIBDIR; -our $RESNAME; -our $RESCLASS; -our $RXVTNAME; - BEGIN { - urxvt->bootstrap; - # overwrite perl's warn *CORE::GLOBAL::warn = sub { my $msg = join "", @_; @@ -501,14 +690,8 @@ unless $msg =~ /\n$/; urxvt::warn ($msg); }; - - delete $ENV{IFS}; - delete $ENV{CDPATH}; - delete $ENV{BASH_ENV}; - $ENV{PATH} = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin:/opt/sbin"; } -my @hook_count; my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; sub verbose { @@ -516,7 +699,6 @@ warn "$msg\n" if $level <= $verbosity; } -my $extension_pkg = "extension0000"; my %extension_pkg; # load a single script into its own package, once only @@ -524,16 +706,18 @@ my ($path) = @_; $extension_pkg{$path} ||= do { - my $pkg = "urxvt::" . ($extension_pkg++); + $path =~ /([^\/\\]+)$/; + my $pkg = $1; + $pkg =~ s/[^[:word:]]/_/g; + $pkg = "urxvt::ext::$pkg"; verbose 3, "loading extension '$path' into package '$pkg'"; open my $fh, "<:raw", $path or die "$path: $!"; - my $source = untaint + my $source = "package $pkg; use strict; use utf8;\n" - . "use base urxvt::term::extension::;\n" . "#line 1 \"$path\"\n{\n" . (do { local $/; <$fh> }) . "\n};\n1"; @@ -557,7 +741,16 @@ my %ext_arg; - for (map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { + { + my @init = @TERM_INIT; + @TERM_INIT = (); + $_->($TERM) for @init; + my @pkg = @TERM_EXT; + @TERM_EXT = (); + $TERM->register_package ($_) for @pkg; + } + + for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { if ($_ eq "default") { $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback); } elsif (/^-(.*)$/) { @@ -592,24 +785,20 @@ keys %$cb; while (my ($pkg, $cb) = each %$cb) { - $retval = eval { $cb->($TERM->{_pkg}{$pkg}, @_) } - and last; + my $retval_ = eval { $cb->($TERM->{_pkg}{$pkg}, @_) }; + $retval ||= $retval_; if ($@) { $TERM->ungrab; # better to lose the grab than the session warn $@; } } + + verbose 11, "$HOOKNAME[$htype] returning <$retval>" + if $verbosity >= 11; } if ($htype == 1) { # DESTROY - if (my $hook = delete $TERM->{_hook}) { - for my $htype (0..$#$hook) { - $hook_count[$htype] -= scalar keys %{ $hook->[$htype] || {} } - or set_should_invoke $htype, 0; - } - } - # clear package objects %$_ = () for values %{ $TERM->{_pkg} }; @@ -633,10 +822,8 @@ defined $htype or Carp::croak "unsupported hook type '$name'"; - unless (exists $self->{term}{_hook}[$htype]{$pkg}) { - $hook_count[$htype]++ - or urxvt::set_should_invoke $htype, 1; - } + $self->set_should_invoke ($htype, +1) + unless exists $self->{term}{_hook}[$htype]{$pkg}; $self->{term}{_hook}[$htype]{$pkg} = $cb; } @@ -651,10 +838,8 @@ defined $htype or Carp::croak "unsupported hook type '$name'"; - if (delete $self->{term}{_hook}[$htype]{$pkg}) { - --$hook_count[$htype] - or urxvt::set_should_invoke $htype, 0; - } + $self->set_should_invoke ($htype, -1) + if delete $self->{term}{_hook}[$htype]{$pkg}; } } @@ -770,6 +955,12 @@ sub register_package { my ($self, $pkg, $argv) = @_; + no strict 'refs'; + + urxvt::verbose 6, "register package $pkg to $self"; + + @{"$pkg\::ISA"} = urxvt::term::extension::; + my $proxy = bless { _pkg => $pkg, argv => $argv, @@ -785,12 +976,56 @@ } } +=item $term = new urxvt::term $envhashref, $rxvtname, [arg...] + +Creates a new terminal, very similar as if you had started it with system +C<$rxvtname, arg...>. C<$envhashref> must be a reference to a C<%ENV>-like +hash which defines the environment of the new terminal. + +Croaks (and probably outputs an error message) if the new instance +couldn't be created. Returns C if the new instance didn't +initialise perl, and the terminal object otherwise. The C and +C hooks will be called during this call. + +=cut + +sub new { + my ($class, $env, @args) = @_; + + _new ([ map "$_=$env->{$_}", keys %$env ], @args); +} + =item $term->destroy Destroy the terminal object (close the window, free resources etc.). Please note that @@RXVT_NAME@@ will not exit as long as any event watchers (timers, io watchers) are still active. +=item $term->exec_async ($cmd[, @args]) + +Works like the combination of the C/C builtins, which executes +("starts") programs in the background. This function takes care of setting +the user environment before exec'ing the command (e.g. C) and should +be preferred over explicit calls to C or C. + +Returns the pid of the subprocess or C on error. + +=cut + +sub exec_async { + my $self = shift; + + my $pid = fork; + + return $pid + if !defined $pid or $pid; + + %ENV = %{ $self->env }; + + exec @_; + urxvt::_exit 255; +} + =item $isset = $term->option ($optval[, $set]) Returns true if the option specified by C<$optval> is enabled, and @@ -802,10 +1037,10 @@ borderLess console cursorBlink cursorUnderline hold iconic insecure intensityStyles jumpScroll loginShell mapAlert meta8 mouseWheelScrollPage - pastableTabs pointerBlank reverseVideo scrollBar scrollBar_floating - scrollBar_right scrollTtyKeypress scrollTtyOutput scrollWithBuffer - secondaryScreen secondaryScroll skipBuiltinGlyphs transparent - tripleclickwords utmpInhibit visualBell + override-redirect pastableTabs pointerBlank reverseVideo scrollBar + scrollBar_floating scrollBar_right scrollTtyKeypress scrollTtyOutput + scrollWithBuffer secondaryScreen secondaryScroll skipBuiltinGlyphs + transparent tripleclickwords utmpInhibit visualBell =item $value = $term->resource ($name[, $newval]) @@ -832,14 +1067,15 @@ borderLess color cursorBlink cursorUnderline cutchars delete_key display_name embed ext_bwidth fade font geometry hold iconName imFont imLocale inputMethod insecure int_bwidth intensityStyles - italicFont jumpScroll lineSpace loginShell mapAlert menu meta8 modifier - mouseWheelScrollPage name pastableTabs path perl_eval perl_ext_1 perl_ext_2 - perl_lib pointerBlank pointerBlankDelay preeditType print_pipe pty_fd - reverseVideo saveLines scrollBar scrollBar_align scrollBar_floating - scrollBar_right scrollBar_thickness scrollTtyKeypress scrollTtyOutput - scrollWithBuffer scrollstyle secondaryScreen secondaryScroll selectstyle - shade term_name title transparent transparent_all tripleclickwords - utmpInhibit visualBell + italicFont jumpScroll lineSpace loginShell mapAlert meta8 modifier + mouseWheelScrollPage name override_redirect pastableTabs path perl_eval + perl_ext_1 perl_ext_2 perl_lib pointerBlank pointerBlankDelay + preeditType print_pipe pty_fd reverseVideo saveLines scrollBar + scrollBar_align scrollBar_floating scrollBar_right scrollBar_thickness + scrollTtyKeypress scrollTtyOutput scrollWithBuffer scrollstyle + secondaryScreen secondaryScroll selectstyle shade term_name title + transient_for transparent transparent_all tripleclickwords utmpInhibit + visualBell =cut @@ -849,6 +1085,17 @@ &urxvt::term::_resource } +=item $value = $term->x_resource ($pattern) + +Returns the X-Resource for the given pattern, excluding the program or +class name, i.e. C<< $term->x_resource ("boldFont") >> should return the +same value as used by this instance of rxvt-unicode. Returns C if no +resource with that pattern exists. + +This method should only be called during the C hook, as there is +only one resource database per display, and later invocations might return +the wrong resources. + =item $success = $term->parse_keysym ($keysym_spec, $command_string) Adds a keymap translation exactly as specified via a resource. See the @@ -873,10 +1120,18 @@ Return the current values of the selection mark, begin or end positions, and optionally set them to new values. +=item $term->selection_make ($eventtime[, $rectangular]) + +Tries to make a selection as set by C and +C. If C<$rectangular> is true (default: false), a +rectangular selection will be made. This is the prefered function to make +a selection. + =item $success = $term->selection_grab ($eventtime) -Try to request the primary selection from the server (for example, as set -by the next method). +Try to request the primary selection text from the server (for example, as +set by the next method). No visual feedback will be given. This function +is mostly useful from within C hooks. =item $oldtext = $term->selection ([$newtext]) @@ -979,15 +1234,15 @@ =item $term->scr_xor_span ($beg_row, $beg_col, $end_row, $end_col[, $rstyle]) XORs the rendition values in the given span with the provided value -(default: C). Useful in refresh hooks to provide effects similar -to the selection. +(default: C), which I contain font styles. Useful in +refresh hooks to provide effects similar to the selection. =item $term->scr_xor_rect ($beg_row, $beg_col, $end_row, $end_col[, $rstyle1[, $rstyle2]]) Similar to C, but xors a rectangle instead. Trailing whitespace will additionally be xored with the C<$rstyle2>, which defaults to C, which removes reverse video again and underlines -it instead. +it instead. Both styles I contain font styles. =item $term->scr_bell @@ -1031,6 +1286,13 @@ Return the window id of the terminal window. +=item $term->vt_emask_add ($x_event_mask) + +Adds the specified events to the vt event mask. Useful e.g. when you want +to receive pointer events all the times: + + $term->vt_emask_add (urxvt::PointerMotionMask); + =item $window_width = $term->width =item $window_height = $term->height @@ -1053,17 +1315,32 @@ =item $nrow_plus_saveLines = $term->total_rows -=item $lines_in_scrollback = $term->nsaved +=item $topmost_scrollback_row = $term->top_row Return various integers describing terminal characteristics. +=item $x_display = $term->display_id + +Return the DISPLAY used by rxvt-unicode. + =item $lc_ctype = $term->locale Returns the LC_CTYPE category string used by this rxvt-unicode. -=item $x_display = $term->display_id +=item $env = $term->env -Return the DISPLAY used by rxvt-unicode. +Returns a copy of the environment in effect for the terminal as a hashref +similar to C<\%ENV>. + +=cut + +sub env { + if (my $env = $_[0]->_env) { + +{ map /^([^=]+)(?:=(.*))?$/s && ($1 => $2), @$env } + } else { + +{ %ENV } + } +} =item $modifiermask = $term->ModLevel3Mask @@ -1076,8 +1353,8 @@ =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 +Returns the row number of the topmost displayed line. Maximum value is +C<0>, which displays the normal terminal contents. Lower values scroll this many lines into the scrollback buffer. =item $term->want_refresh @@ -1166,7 +1443,8 @@ =item $offset = $line->offset_of ($row, $col) Returns the character offset of the given row|col pair within the logical -line. +line. Works for rows outside the line, too, and returns corresponding +offsets outside the string. =item ($row, $col) = $line->coord_of ($offset) @@ -1313,6 +1591,28 @@ push @{ $self->{item} }, $item; } +=item $popup->add_title ($title) + +Adds a non-clickable title to the popup. + +=cut + +sub add_title { + my ($self, $title) = @_; + + $self->add_item ({ + rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" }, + text => $title, + activate => sub { }, + }); +} + +=item $popup->add_separator ([$sepchr]) + +Creates a separator, optionally using the character given as C<$sepchr>. + +=cut + sub add_separator { my ($self, $sep) = @_; @@ -1326,15 +1626,12 @@ }); } -sub add_title { - my ($self, $title) = @_; +=item $popup->add_button ($text, $cb) - $self->add_item ({ - rend => { normal => "\x1b[38;5;11;44m", hover => "\x1b[38;5;11;44m", active => "\x1b[38;5;11;44m" }, - text => $title, - activate => sub { }, - }); -} +Adds a clickable button to the popup. C<$cb> is called whenever it is +selected. + +=cut sub add_button { my ($self, $text, $cb) = @_; @@ -1342,6 +1639,14 @@ $self->add_item ({ type => "button", text => $text, activate => $cb}); } +=item $popup->add_toggle ($text, $cb, $initial_value) + +Adds a toggle/checkbox item to the popup. Teh callback gets called +whenever it gets toggled, with a boolean indicating its value as its first +argument. + +=cut + sub add_toggle { my ($self, $text, $cb, $value) = @_; @@ -1350,23 +1655,35 @@ text => " $text", value => $value, render => sub { ($_[0]{value} ? "* " : " ") . $text }, - activate => sub { $cb->($_[0]{value} = !$_[0]{value}); }, + activate => sub { $cb->($_[1]{value} = !$_[1]{value}); }, }; $self->add_item ($item); } +=item $popup->show + +Displays the popup (which is initially hidden). + +=cut + sub show { my ($self) = @_; local $urxvt::popup::self = $self; - local $ENV{LC_ALL} = $self->{term}->locale; - - urxvt->new ("--perl-lib" => "", "--perl-ext-common" => "", "-pty-fd" => -1, "-sl" => 0, "-b" => 0, - "--transient-for" => $self->{term}->parent, - "-display" => $self->{term}->display_id, - "-pe" => "urxvt-popup") + my $env = $self->{term}->env; + # we can't hope to reproduce the locale algorithm, so nuke LC_ALL and set LC_CTYPE. + delete $env->{LC_ALL}; + $env->{LC_CTYPE} = $self->{term}->locale; + + urxvt::term->new ($env, "popup", + "--perl-lib" => "", "--perl-ext-common" => "", + "-pty-fd" => -1, "-sl" => 0, + "-b" => 1, "-bd" => "grey80", "-bl", "-override-redirect", + "--transient-for" => $self->{term}->parent, + "-display" => $self->{term}->display_id, + "-pe" => "urxvt-popup") or die "unable to create popup window\n"; } @@ -1377,6 +1694,17 @@ $self->{term}->ungrab; } +=back + +=cut + +package urxvt::watcher; + +@urxvt::timer::ISA = __PACKAGE__; +@urxvt::iow::ISA = __PACKAGE__; +@urxvt::pw::ISA = __PACKAGE__; +@urxvt::iw::ISA = __PACKAGE__; + =head2 The C Class This class implements timer watchers/events. Time is represented as a @@ -1424,6 +1752,10 @@ Set the event trigger time to C<$tstamp> and start the timer. +=item $timer = $timer->after ($delay) + +Like C, but sets the expiry timer to c. + =item $timer = $timer->stop Stop the timer. @@ -1479,6 +1811,67 @@ =back +=head2 The C Class + +This class implements idle watchers, that get called automatically when +the process is idle. They should return as fast as possible, after doing +some useful work. + +=over 4 + +=item $iw = new urxvt::iw + +Create a new idle watcher object in stopped state. + +=item $iw = $iw->cb (sub { my ($iw) = @_; ... }) + +Set the callback to be called when the watcher triggers. + +=item $timer = $timer->start + +Start the watcher. + +=item $timer = $timer->stop + +Stop the watcher. + +=back + +=head2 The C Class + +This class implements process watchers. They create an event whenever a +process exits, after which they stop automatically. + + my $pid = fork; + ... + $term->{pw} = urxvt::pw + ->new + ->start ($pid) + ->cb (sub { + my ($pw, $exit_status) = @_; + ... + }); + +=over 4 + +=item $pw = new urxvt::pw + +Create a new process watcher in stopped state. + +=item $pw = $pw->cb (sub { my ($pw, $exit_status) = @_; ... }) + +Set the callback to be called when the timer triggers. + +=item $pw = $timer->start ($pid) + +Tells the wqtcher to start watching for process C<$pid>. + +=item $pw = $pw->stop + +Stop the watcher. + +=back + =head1 ENVIRONMENT =head2 URXVT_PERL_VERBOSITY @@ -1492,7 +1885,9 @@ =item >= 3 - script loading and management -=item >=10 - all events received +=item >=10 - all called hooks + +=item >=11 - hook reutrn values =back