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#! perl
# this extension implements popup-menu functionality for urxvt. it works
# together with the urxvt::popup class - "no user serviceable parts inside".
sub refresh {
my ($self) = @_;
my $cmd = "\x1b[H";
my $row = 1;
for my $item (@{ $self->{data}{item} }) {
my $rend = "normal";
if ($row == $self->{hover}) {
$rend = $self->{press} ? "active" : "hover";
}
$cmd .= "$item->{rend}{$rend}\x1b[K";
$cmd .= $self->locale_encode ($item->{render}->($item));
$cmd .= "\015\012";
$row++;
}
$self->cmd_parse (substr $cmd, 0, -2);
}
sub on_motion_notify {
my ($self, $event) = @_;
delete $self->{hover};
my ($row, $col) = ($event->{row}, $event->{col});
if ($col >= 0 && $col < $self->ncol
&& $row >= 0 && $row < @{ $self->{data}{item} }) {
$self->{hover} = $event->{row} + 1;
}
$self->refresh;
1
}
sub on_button_press {
my ($self, $event) = @_;
$self->{press}[$event->{button}] = 1;
$self->refresh;
1
}
sub on_button_release {
my ($self, $event) = @_;
$self->{press}[$event->{button}] = 0;
my ($row, $col) = ($event->{row}, $event->{col});
if ($col >= 0 && $col < $self->ncol
&& $row >= 0 && $row < @{ $self->{data}{item} }) {
my $item = $self->{data}{item}[$row];
$item->{activate}->($event, $item);
}
$self->refresh;
if ($event->{button} == $self->{data}{event}{button}) {
$self->ungrab;
$self->destroy;
}
1
}
sub on_focus_out {
my ($self) = @_;
delete $self->{hover};
$self->refresh;
()
}
sub on_init {
my ($self) = @_;
my $data = $self->{data} = $urxvt::popup::self;
$_->{width} = $self->strwidth ($_->{text})
for @{ $data->{item} };
$self->resource (title => "URxvt Popup Menu");
$self->resource (name => "URxvt.popup");
$self->resource ($_ => $data->{term}->resource ($_))
for qw(font boldFont italicFont boldItalicFont color+0 color+1);
my $width = List::Util::max map $_->{width}, @{ $data->{item} };
my $height = @{ $data->{item} };
my $pos = "";
if ($data->{event}) {
my $x = int List::Util::max 0, $data->{event}{x_root} - $width * $data->{term}->fwidth * 0.5;
my $y = int List::Util::max 0, $data->{event}{y_root} - $data->{term}->fheight * 0.5;
$pos = "+$x+$y";
}
$self->resource (geometry => "${width}x${height}$pos");
$self->{term}{urxvt_popup_init_done} = 1;
()
}
sub on_start {
my ($self) = @_;
$self->cmd_parse ("\x1b[?25l\x1b[?7l");
$self->refresh;
# might fail, but try anyways
$self->grab ($self->{data}{event}{time}, 1)
and $self->allow_events_async;
on_button_press $self, $self->{data}{event} if $self->{data}{event}{button};
()
}
sub on_map_notify {
my ($self, $event) = @_;
# should definitely not fail
$self->grab ($self->{data}{event}{time}, 1)
and $self->allow_events_async;
}
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