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package Wily; |
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=head1 NAME |
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Wily - Perl extension for interfacing with Wily |
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=head1 SYNOPSIS |
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use Wily; |
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use Wily::Message; |
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# opens a file in wily and exits when the window is destroyed |
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my $wily = Wily->new(); |
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my $win = $wily->win('/tmp/file_to_edit', 1); |
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$win->set_callback(Wily::Message::WEdestroy, sub {exit;}); |
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$win->attach(Wily::Message::WEdestroy); |
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$wily->event_loop(); |
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=head1 DESCRIPTION |
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Provides a reasonably high level OO interface to wily. A lower level |
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interface is available via Wily::RPC, and an even lower level one |
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through Wily::Message and Wily::Connect. |
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The actual windows in wily are represented by Wily::Win objects. |
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=head1 The Wily Objects |
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The following operations can be performed with a Wily object. |
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=cut |
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use v5.8; |
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use strict; |
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use warnings; |
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use Wily::RPC; |
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use Wily::Message; |
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our $VERSION = '0.02'; |
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=head2 Creating a Wily object |
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$wily = Wily->new(); |
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Connects to wily and returns a Wily object. |
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=cut |
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sub new { |
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my $package = shift; |
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my $self = {}; |
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$self->{handle} = shift || Wily::RPC->new(); |
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$self->{wins} = {}; |
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return bless $self, $package; |
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} |
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=head2 The main event loop |
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$wily->event_loop(); |
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The event_loop() method never returns (unless the Wily connection breaks somehow), |
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incoming wily events will be dispatched to the appropriate Wily::Win objects. |
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=cut |
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sub event_loop { |
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my $self = shift; |
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while ($self->handle_event()) { |
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} |
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} |
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=head2 Dispatching events |
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$wily->event_non_block(); |
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The event_non_block() method dispatches all pending events to the appropriate |
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Wily::Win objects, it won't block (unless the event handlers block) as it |
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will only dispatch events which have already been read from wily connection. |
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=cut |
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sub events_non_block { |
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my $self = shift; |
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$self->handle_event() while not $self->{handle}->would_block(); |
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} |
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=head2 Dispatch an event |
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$wily->handle_event() |
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Dispatches a single event to the appropriate Wily::Win object. Will block if no |
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events are pending. |
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Returns undef if the Wily connection breaks. |
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=cut |
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sub handle_event { |
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my $self = shift; |
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my $msg = $self->{handle}->event(); |
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return unless defined $msg; |
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$self->{wins}{$msg->{window_id}}->event($msg); |
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return 1; |
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} |
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=head2 Bouncing events |
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$wily->bounce($event); |
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The bounce() method bounces an event back to wily, events which are not handled |
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should be sent back to wily so that the standard wily handling will be applied. |
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=cut |
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sub bounce { |
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my $self = shift; |
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$self->{handle}->bounce(@_); |
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} |
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=head2 Listing windows |
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@windows = $wily->list(); |
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The list() method returns a list of the windows wily has open, each element of |
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the list is an array reference. The first entry of which is the name of the |
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window, and the second entry of which is a Wily::Win object representing the |
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window. |
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=cut |
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sub list { |
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my $self = shift; |
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return map {[$_->[0], $self->win_from_id($_->[1])]} |
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map {[split /\t/, $_, 2]} |
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split /\n/, $self->{handle}->list(); |
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} |
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=head2 Getting the supported wily features |
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@features = $wily->features(); |
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The features() method returns a list of all the features supported by the instance of |
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wily that is connected to. |
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=cut |
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sub features { |
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my $self = shift; |
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return split ' ', $self->{handle}->features(); |
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} |
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=head2 Create a window |
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$win = $wily->win($name, $backup); |
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The win() method causes wily to open a window with the pathname set to $name and returns a |
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Wily::Win object repesenting the window. If $backup is 1 then wily will keep backups for the |
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window and enable the dirty indicator. If a window with the same name already exists then |
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the value of $backup is ignored and a reference to the existing window is returned. |
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On failure undef is returned. |
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=cut |
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sub win { |
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my $self = shift; |
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my $win = Wily::Win->new($self, @_); |
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return unless $win; |
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$self->{wins}{$win->{window_id}} = $win unless exists $self->{wins}{$win->{window_id}}; |
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return $self->{wins}{$win->{window_id}}; |
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} |
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=head2 Get an existing window |
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$win = $wily->win_from_id($id); |
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The win_from_id() method returns a Wily::Win object representing the wily window with an |
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id of $id. Note, that the existance of the window is not actually checked, so method calls |
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on the Wily::Win object may fail. |
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=cut |
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sub win_from_id { |
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my $self = shift; |
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my ($id) = @_; |
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return $self->{wins}{$id} if exists $self->{wins}{$id}; |
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$self->{wins}{$id} = Wily::Win->new_from_id($self, $id); |
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return $self->{wins}{$id}; |
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} |
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184
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=head2 Wily socket handle |
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186
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$socket = $wily->socket(); |
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188
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The socket() method returns the socket that connects to wily. This can be used in |
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order to check for the availablility of data when integrating with other data sources. |
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191
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=cut |
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sub socket { |
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my $self = shift; |
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return $self->{handle}{s}; |
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} |
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197
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=head2 Read the wily socket |
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$wily->read_socket(); |
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Performs a read on the wily socket. This will block unless there is data available, so |
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usually you would call this after checking for the presence of data via something like |
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select. |
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=cut |
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sub read_socket { |
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my $self = shift; |
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$self->{handle}->read_socket(); |
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} |
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211
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212
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package Wily::Win; |
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214
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=head1 The Wily::Win Objects |
215
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216
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The following operations can be performed with a Wily::Win object. |
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218
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=head2 Creating Wily::Win objects |
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220
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Wily::Win objects should be created through a Wily object (or as the result |
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of the goto() method of an existing Wily::Win object. See the Wily documentation |
222
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for details on how to do so. |
223
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224
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=cut |
225
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use strict; |
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use warnings; |
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use Carp; |
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our $VERSION = '0.01'; |
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sub new { |
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my $package = shift; |
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my ($wily, $name, $backup) = @_; |
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my $self = {}; |
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$self->{wily} = $wily; |
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$self->{window_id} = $wily->{handle}->win($name, $backup); |
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$self->{callbacks} = {}; |
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return bless $self, $package; |
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} |
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sub new_from_id { |
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my $package = shift; |
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my ($wily, $id) = @_; |
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my $self = { wily => $wily, window_id => $id, callbacks => {} }; |
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return bless $self, $package; |
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} |
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sub event { |
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my $self = shift; |
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my $event = shift; |
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if (exists $self->{callbacks}{$event->{type}}) { |
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$self->{callbacks}{$event->{type}}($event); |
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} else { |
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$self->{wily}->bounce($event); |
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} |
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} |
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=head2 Attaching |
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$win->attach($mask); |
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The attach() method causes wily to send the requested events. $mask should be a |
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bitwise or (or just a sum) of the WE* cnstants in the Wily::Message package. If |
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the wily instance supports the 'detach' feature then attach() can be called |
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multiple times to attach for additional events. |
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WEexec and WEgoto events are sent to the client vefore they are processed by wily, if |
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you want wily to process them they need to be bounce()d back to wily. |
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To handle the events you will need to regster a function to be called for the |
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event type with the set_callback() method. |
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Returns true on success and undef on failure. |
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=cut |
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sub attach { |
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my $self = shift; |
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$self->{wily}{handle}->attach($self->{window_id}, @_); |
281
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} |
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283
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=head2 Detaching |
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285
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$win->detach($mask); |
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287
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The detach() mehod causes wily to stop sending the specified events. $mask should be a |
288
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bitwise or (or just a sum) of the WE* cnstants in the Wily::Message package. |
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290
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Note, that this is not part of the "standard" wily message set and hence you should |
291
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make sure to handle a failure when dealing with wily instances that don't support |
292
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this function. |
293
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Returns true on success and undef on failure. |
295
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296
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=cut |
297
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sub detach { |
298
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0
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0
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my $self = shift; |
299
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0
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$self->{wily}{handle}->detach($self->{window_id}, @_); |
300
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} |
301
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302
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=head2 Getting the name |
303
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304
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$name = $win->get_name(); |
305
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306
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The get_name() method returns the name of the window. |
307
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308
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On failure undef is returned. |
309
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310
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=cut |
311
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sub get_name { |
312
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0
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0
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my $self = shift; |
313
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0
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return $self->{wily}{handle}->get_name($self->{window_id}, @_); |
314
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} |
315
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316
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=head2 Getting the tools |
317
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318
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$tools = $win->get_tools(); |
319
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320
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he get_tools() method returns the text of the tools in the window tag. |
321
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322
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On faiure undef is returned. |
323
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324
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=cut |
325
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sub get_tools { |
326
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0
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0
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my $self = shift; |
327
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0
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return $self->{wily}{handle}->get_tools($self->{window_id}, @_); |
328
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} |
329
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330
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=head2 Searching |
331
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332
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($win2, $r0, $r1) = $win->goto($p0, $p1, $search, $set_dot); |
333
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334
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The goto() method causes wily to act as if the user had selected the text $search with |
335
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B3 in the window. If this results in a search then the search starts |
336
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from the position indicated by the range [$p0, $p1) - if $p0 > $p1 then the search starts |
337
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from the current selection. If $set_dot is 1 then wily will select the resulting selection and |
338
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warp the mouse cursor to it. Returns the window and the range in that window found |
339
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by the search. This may be a different window (if the search text was a file name, for example). |
340
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341
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$search can be plain text to search for or an address that wily understands, or a wily |
342
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regular expression search - anything which works when B3ed. |
343
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344
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On failure () is returned. |
345
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346
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=cut |
347
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sub goto { |
348
|
0
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0
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my $self = shift; |
349
|
0
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|
my @res = $self->{wily}{handle}->goto($self->{window_id}, @_); |
350
|
0
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|
$res[0] = $self->{wily}->win_from_id($res[0]); |
351
|
0
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|
return @res; |
352
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} |
353
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354
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=head2 Reading text |
355
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356
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$text = $win->read($p0, $p1); |
357
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358
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|
The read() method returns the text in the character range [$p0, $p1). |
359
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|
Note, that the text includes the character at $p0 but does not include the |
360
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character at $p1. |
361
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362
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On failure undef is returned. |
363
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364
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=cut |
365
|
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|
sub read { |
366
|
0
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0
|
|
|
my $self = shift; |
367
|
0
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|
|
return $self->{wily}{handle}->read($self->{window_id}, @_); |
368
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} |
369
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370
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|
=head2 Replacing text |
371
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372
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|
|
$win->replace($p0, $p1, $text); |
373
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374
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|
|
The replace() method replaces the text in the range [$p0, $p1) with $text. A true |
375
|
|
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|
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|
|
value is returned on success, or undef on failure. |
376
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377
|
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|
=cut |
378
|
|
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|
|
sub replace { |
379
|
0
|
|
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0
|
|
|
my $self = shift; |
380
|
0
|
|
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|
|
|
return $self->{wily}{handle}->replace($self->{window_id}, @_); |
381
|
|
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|
} |
382
|
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383
|
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|
|
=head2 Executing commands |
384
|
|
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385
|
|
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|
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|
|
$win->execute($cmd); |
386
|
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387
|
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|
|
The execute() method causes wily to act as if $cmd was selected with B2 in the window. |
388
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|
|
A true value is returned on success, or undef on failure. |
389
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|
390
|
|
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|
=cut |
391
|
|
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|
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|
|
sub execute { |
392
|
0
|
|
|
0
|
|
|
my $self = shift; |
393
|
0
|
|
|
|
|
|
$self->{wily}{handle}->execute($self->{window_id}, @_); |
394
|
|
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|
|
} |
395
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396
|
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|
=head2 Setting the tools |
397
|
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|
398
|
|
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|
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|
|
$win->set_tools($tools); |
399
|
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|
400
|
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|
|
The set_tools() method sets the tools in the tag of the window to $tools. |
401
|
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|
|
A true value is returned on success, or undef on failure. |
402
|
|
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|
403
|
|
|
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|
|
|
=cut |
404
|
|
|
|
|
|
|
sub set_tools { |
405
|
0
|
|
|
0
|
|
|
my $self = shift; |
406
|
0
|
|
|
|
|
|
$self->{wily}{handle}->set_tools($self->{window_id}, @_); |
407
|
|
|
|
|
|
|
} |
408
|
|
|
|
|
|
|
|
409
|
|
|
|
|
|
|
=head2 Setting the name |
410
|
|
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|
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|
|
411
|
|
|
|
|
|
|
$win->set_name($name); |
412
|
|
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|
|
413
|
|
|
|
|
|
|
The set_name() method sets the name of the window to $name. |
414
|
|
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|
|
|
|
A true value is returned on success, or undef on failure. |
415
|
|
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|
|
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|
|
416
|
|
|
|
|
|
|
=cut |
417
|
|
|
|
|
|
|
sub set_name { |
418
|
0
|
|
|
0
|
|
|
my $self = shift; |
419
|
0
|
|
|
|
|
|
$self->{wily}{handle}->set_name($self->{window_id}, @_); |
420
|
|
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|
|
|
|
} |
421
|
|
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|
422
|
|
|
|
|
|
|
=head2 Setting event callbacks |
423
|
|
|
|
|
|
|
|
424
|
|
|
|
|
|
|
$win->set_callback($event_type, $function); |
425
|
|
|
|
|
|
|
|
426
|
|
|
|
|
|
|
Sets the callback for events of type $event_type to be $function. Whenever |
427
|
|
|
|
|
|
|
an event of type $event_type is recieved it $function will be called |
428
|
|
|
|
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|
|
with the event as the only argument. |
429
|
|
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|
430
|
|
|
|
|
|
|
Note, to actually begin recieve events attach() must be used. |
431
|
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|
432
|
|
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|
|
|
|
=cut |
433
|
|
|
|
|
|
|
sub set_callback { |
434
|
0
|
|
|
0
|
|
|
my $self = shift; |
435
|
0
|
|
|
|
|
|
my ($type, $cb) = @_; |
436
|
0
|
|
|
|
|
|
$self->{callbacks}{$type} = $cb; |
437
|
|
|
|
|
|
|
} |
438
|
|
|
|
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|
|
|
439
|
|
|
|
|
|
|
=head2 Removing event callbacks |
440
|
|
|
|
|
|
|
|
441
|
|
|
|
|
|
|
$win->remove_callback($event_type); |
442
|
|
|
|
|
|
|
|
443
|
|
|
|
|
|
|
The callback for events of type $event_type will be removed. |
444
|
|
|
|
|
|
|
|
445
|
|
|
|
|
|
|
=cut |
446
|
|
|
|
|
|
|
sub remove_callback { |
447
|
0
|
|
|
0
|
|
|
my $self = shift; |
448
|
0
|
|
|
|
|
|
my ($type) = @_; |
449
|
0
|
|
|
|
|
|
delete $self->{callbacks}{$type}; |
450
|
|
|
|
|
|
|
} |
451
|
|
|
|
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|
|
452
|
|
|
|
|
|
|
=head2 Getting the window text |
453
|
|
|
|
|
|
|
|
454
|
|
|
|
|
|
|
$text = $win->get_body(); |
455
|
|
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|
456
|
|
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|
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|
|
The get_body() method returns the text in the window body. This is just a wrapper |
457
|
|
|
|
|
|
|
around goto() and read(). Returns undef on failure. |
458
|
|
|
|
|
|
|
|
459
|
|
|
|
|
|
|
=cut |
460
|
|
|
|
|
|
|
sub get_body { |
461
|
0
|
|
|
0
|
|
|
my $self = shift; |
462
|
0
|
|
|
|
|
|
my @goto = $self->goto(0, 0, ':,'); |
463
|
0
|
0
|
|
|
|
|
return unless @goto; |
464
|
0
|
|
|
|
|
|
return $self->read($goto[1], $goto[2]); |
465
|
|
|
|
|
|
|
} |
466
|
|
|
|
|
|
|
|
467
|
|
|
|
|
|
|
=head2 Setting the window text |
468
|
|
|
|
|
|
|
|
469
|
|
|
|
|
|
|
$win->set_body($text); |
470
|
|
|
|
|
|
|
|
471
|
|
|
|
|
|
|
The set_body() method sets the text in the body of the window to be $text. This is |
472
|
|
|
|
|
|
|
just a wrapper around goto() and replace(). Returns undef on failure, true on success. |
473
|
|
|
|
|
|
|
|
474
|
|
|
|
|
|
|
=cut |
475
|
|
|
|
|
|
|
sub set_body { |
476
|
0
|
|
|
0
|
|
|
my $self = shift; |
477
|
0
|
|
|
|
|
|
my ($s) = @_; |
478
|
0
|
|
|
|
|
|
my @goto = $self->goto(0, 0, ':,'); |
479
|
0
|
0
|
|
|
|
|
return unless @goto; |
480
|
0
|
|
|
|
|
|
$self->replace($goto[1], $goto[2], $s); |
481
|
|
|
|
|
|
|
} |
482
|
|
|
|
|
|
|
|
483
|
|
|
|
|
|
|
1; |
484
|
|
|
|
|
|
|
__END__ |