Viewing file:  session-management.pl (3.61 KB) -rw-r--r--
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#!/usr/bin/perl -w
use strict;
use Gnome2;
# $Header: /cvsroot/gtk2-perl/gtk2-perl-xs/Gnome2/examples/session-management.pl,v 1.1 2003/12/10 21:13:17 kaffeetisch Exp $
my $application = Gnome2::Program -> init("Test", "0.1", "libgnomeui");
my $client = Gnome2::Client -> master();
###############################################################################
$client -> signal_connect(die => sub {
# No time to save anything, just die.
Gtk2 -> main_quit();
});
$client -> signal_connect(save_yourself => sub {
my ($client,
$phase,
$save_style,
$shutting_down,
$interact_style,
$fast) = @_;
if ($fast) { # We're in a hurry, so don't do anything that takes ages.
unless (save_session_quickly()) {
error("Saving session failed.") if ($interact_style & "error");
return 0;
}
}
else { # We've plenty of time.
unless (save_session()) {
if ($interact_style & "any") {
question("Couldn't save session. Do you want me to " .
"delete all your personal files in response?",
sub { delete_all_personal_files(); });
}
elsif ($interact_style & "error") {
error("Saving session failed.");
}
return 0;
}
}
return 1;
});
###############################################################################
my $app = Gnome2::App -> new("test", "Test");
my $box = Gtk2::VBox -> new(0, 0);
my $button_die = Gtk2::Button -> new("_Die");
my $button_save = Gtk2::Button -> new("_Save");
my $button_save_quickly = Gtk2::Button -> new("Save quickly");
# Normally, those events are fired by the session manager when the user logs
# out or kills the application via the session UI. We emulate them here.
$button_die -> signal_connect(clicked => sub {
$client -> signal_emit("die");
});
$button_save -> signal_connect(clicked => sub {
$client -> request_save("local", 0, "any", 0, 0);
});
$button_save_quickly -> signal_connect(clicked => sub {
$client -> request_save("local", 0, "errors", 1, 0);
});
$box -> pack_start($button_die, 0, 0, 0);
$box -> pack_start($button_save, 0, 0, 0);
$box -> pack_start($button_save_quickly, 0, 0, 0);
$app -> set_contents($box);
$app -> show_all();
$app -> signal_connect(destroy => sub {
Gtk2 -> main_quit();
});
Gtk2 -> main();
###############################################################################
sub delete_all_personal_files {
$| = 1;
print "Deleting all personal files ...";
select(undef, undef, undef, 0.25);
print " done.\n";
}
sub error {
my ($label) = @_;
my $dialog = Gtk2::MessageDialog -> new($app,
[qw(modal destroy-with-parent)],
"error",
"ok",
$label);
$dialog -> signal_connect(response => sub {
my ($dialog, $response) = @_;
$dialog -> hide();
});
$client -> save_error_dialog($dialog);
}
sub question {
my ($label, $callback) = @_;
my $dialog = Gtk2::MessageDialog -> new($app,
[qw(modal destroy-with-parent)],
"question",
"yes-no",
$label);
$dialog -> signal_connect(response => sub {
my ($dialog, $response) = @_;
$callback -> () if ($response eq "yes");
$dialog -> hide();
});
$client -> save_any_dialog($dialog);
}
sub save_session {
select(undef, undef, undef, 0.5);
return int(rand(2));
}
sub save_session_quickly {
select(undef, undef, undef, 0.1);
return int(rand(2));
}
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