有没有办法在 Gtk2::TextView 中显示旧式扩展 ASCII(cp437)?(Google 没有提供答案。)
如果有改变 GTK 组件所用字符集的方法,我无法找到它。
或者可能需要使用 Perl 的 Encode 模块,就像我在下面的脚本中尝试的那样,但那也不起作用。
#!/usr/bin/perl
# Display ASCII
use strict;
use diagnostics;
use warnings;
use Encode;
use Glib qw(TRUE FALSE);
use Gtk2 '-init';
# Open a Gtk2 window, with a Gtk2::TextView to display text
my $window = Gtk2::Window->new('toplevel');
$window->set_title('Extended ASCII viewer');
$window->set_position('center');
$window->set_default_size(600, 400);
$window->signal_connect('delete-event' => sub {
Gtk2->main_quit();
exit;
});
my $scrollWin = Gtk2::ScrolledWindow->new(undef, undef);
$window->add($scrollWin);
$scrollWin->set_policy('automatic', 'automatic');
$scrollWin->set_border_width(0);
my $textView = Gtk2::TextView->new;
$scrollWin->add_with_viewport($textView);
$textView->can_focus(FALSE);
$textView->set_wrap_mode('word-char');
$textView->set_justification('left');
my $buffer = $textView->get_buffer();
$window->show_all();
# In cp437, this is a series of accented A characters
my $string = chr (131) . chr (132) . chr (133) . chr (134);
# Display plain text
$buffer->insert_with_tags_by_name($buffer->get_end_iter(), $string . "\n");
# Display UTF-8 text
my $utfString = encode('utf8', $string);
$buffer->insert_with_tags_by_name($buffer->get_end_iter(), $utfString . "\n");
# Display cp437
my $cpString = decode ('cp437', $string);
my $utfString2 = encode('utf-8', $cpString);
$buffer->insert_with_tags_by_name($buffer->get_end_iter(), $utfString2 . "\n");
# Other suggestion
my $otherString = encode("utf-8", decode ("cp437", $string));
$buffer->insert_with_tags_by_name($buffer->get_end_iter(), $otherString . "\n");
# Directly decode a hex character (as suggested)
my $hexString = encode("utf-8", decode("cp437", "\xBA"));
$buffer->insert_with_tags_by_name($buffer->get_end_iter(), $hexString . "\n");
Gtk2->main();
insert_with_tags_by_name
需要解码后的文本,请使用my $string = decode("cp437", "\xBA");
。 - ikegamiGtk2
模块版本1.24992,结果和你一样。然而,如果我将编码改为latin1
而不是utf-8
,它就可以正常工作。我不确定这是否可能是Perl模块或Gtk中的一个错误。 - Håkon Hægland