[Gtk2-perl-bugs] [Bug 654688] New: Gtk does not seem to handle XReparentWindow correctly

[gnome-perl (bugzilla.gnome.o. <bug...@gn...>]

https://bugzilla.gnome.org/show_bug.cgi?id=654688
  gnome-perl | general | unspecified

           Summary: Gtk does not seem to handle XReparentWindow correctly
    Classification: Bindings
           Product: gnome-perl
           Version: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: general
        AssignedTo: gtk...@li...
        ReportedBy: dun...@ya...
         QAContact: gtk...@li...
     GNOME version: ---


Raised a bug against xterm not reparenting its window correctly at
https://bugs.launchpad.net/bugs/806969 which resulted in the maintainer saying
the bug is with Gtk2

Full text of bug report is:
===
When re-parenting xterm into another window using '-into <id>' the term ignores
all input.

When using a different terminal such as "urxvt -embed <id>" it works as
expected

Attached scripts shows the problem when typing into the new window when using
xterm and urxvt

$ dpkg -l |grep xterm
ii xterm 268-1ubuntu1
$ more /etc/debian_version
squeeze/sid

system is up to date
===
#!/usr/bin/perl
use warnings;
use strict;
use Gtk2;

init Gtk2;

my $window = new Gtk2::Window 'toplevel';
$window->signal_connect(
    'destroy' => sub {
        Gtk2->main_quit;
        return 0;
    }
);

my $frame = new Gtk2::Frame "embedded terminal";

$window->add($frame);

my $rxvt = new Gtk2::Socket;

$frame->add($rxvt);
$frame->set_size_request( 700, 400 );
$window->show_all;
my $xid = $rxvt->window->get_xid;

# works with rxvt but xterm loses keyboard focus
system "xterm -into $xid &";
#system "urxvt -embed $xid &";

$window->show_all;

$rxvt->add_events( [qw( all_events_mask key_press_mask )] );

main Gtk2;
===
Response from xterm admin
===
Investigated, found that the essential difference between xterm and
urxvt in this aspect is that xterm initializes using one of the
functions such as XtOpenApplication, which does resource initialization,
etc., on a shell widget that it creates.  Later, it uses XReparentWindow
to handle the "-into" option.  urxvt on the other hand, processes its
"-embed" option before creating its first window, using the parameter
directly as its parent window.  While Tcl/Tk handles the
XReparentWindow, Gtk does not, it seems.

Given the nature of the problem (a bug in Gtk), revising xterm's
initialization to work around Gtk's problems would seem to be a wish-
list item for xterm rather than a bug in xterm.

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