diff options
Diffstat (limited to 'perl-install/ugtk2.pm')
| -rw-r--r-- | perl-install/ugtk2.pm | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/perl-install/ugtk2.pm b/perl-install/ugtk2.pm index 2f07efb3d..d2400c37d 100644 --- a/perl-install/ugtk2.pm +++ b/perl-install/ugtk2.pm @@ -1422,6 +1422,53 @@ sub gtk_set_treelist { $list->append_set([ 0 => $_ ]) foreach @$l; } + +sub gtk_TextView_get_log { + my ($log_w, $log_scroll, $command, $filter_output, $when_command_is_over) = @_; + + my $pid = open(my $F, "$command |") or return sub { 1 }; + fcntl($F, c::F_SETFL(), c::O_NONBLOCK()) or die "can't fcntl F_SETFL: $!"; + + my $gtk_buffer = $log_w->get_buffer; + $log_w->signal_connect(destroy => sub { + kill 9, $pid if $pid; #- we do not continue in background + $pid = $gtk_buffer = ''; #- ensure $gtk_buffer is valid when its value is non-null + }); + + my ($prev_scroll, $want_scroll_down) = (0, 1); + Glib::Timeout->add(100, sub { + if ($gtk_buffer) { + my $end = $gtk_buffer->get_end_iter; + while (defined (my $s = <$F>)) { + $gtk_buffer->insert($end, $filter_output->($s)); + } + my $new_scroll = $log_scroll->get_vadjustment->get_value; + $want_scroll_down &&= $new_scroll >= $prev_scroll; + $prev_scroll = $new_scroll; + $log_w->scroll_to_iter($end, 0, 0, 0, 0) if $want_scroll_down; + } + if (waitpid($pid, c::WNOHANG()) > 0) { + #- we do not call $when_command_is_over if $gtk_buffer doesn't exist anymore + #- since it is not a normal case + $when_command_is_over->($gtk_buffer) if $when_command_is_over && $gtk_buffer; + $pid = ''; + 0; + } else { + to_bool($gtk_buffer); + } + }); + $pid; #- $pid becomes invalid after $when_command_is_over is called +} + +sub gtk_new_TextView_get_log { + my ($command, $filter_output, $when_command_is_over) = @_; + + my $log_w = gtkset_editable(Gtk2::TextView->new, 0); + my $log_scroll = create_scrolled_window($log_w); #- $log_scroll is a frame, not a ScrolledWindow, so giving $log_scroll->child + my $pid = gtk_TextView_get_log($log_w, $log_scroll->child, $command, $filter_output, $when_command_is_over); + $log_scroll, $pid; +} + # misc helpers: package Gtk2::TreeStore; @@ -1505,6 +1552,14 @@ sub set_popdown_strings { $w } +sub new_with_strings { + my ($class, $strs, $o_val) = @_; + my $w = $class->new; + $w->set_popdown_strings(@$strs); + $w->set_text($o_val) if $o_val; + $w; +} + sub entry { my ($w) = @_; return $w; |