mutter/src/core/delete.c
Carlos Garnacho 408292959e core: Add meta_close_dialog_focus() vmethod
This is used to request key focus on the close dialog whenever
a window that is frozen would receive key focus. Also, ensure
that the dialog gets focus when first shown if the window was
meant to receive input.

https://bugzilla.gnome.org/show_bug.cgi?id=762083
2017-07-16 19:21:41 +02:00

120 lines
3.2 KiB
C

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* Mutter window deletion */
/*
* Copyright (C) 2001, 2002 Havoc Pennington
* Copyright (C) 2004 Elijah Newren
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#define _XOPEN_SOURCE /* for kill() */
#include <config.h>
#include "util-private.h"
#include "window-private.h"
#include "compositor-private.h"
#include <meta/errors.h>
#include <meta/workspace.h>
#include <errno.h>
static void
close_dialog_response_cb (MetaCloseDialog *dialog,
MetaCloseDialogResponse response,
MetaWindow *window)
{
if (response == META_CLOSE_DIALOG_RESPONSE_FORCE_CLOSE)
meta_window_kill (window);
}
static void
meta_window_ensure_close_dialog (MetaWindow *window)
{
MetaDisplay *display;
if (window->close_dialog)
return;
display = window->display;
window->close_dialog = meta_compositor_create_close_dialog (display->compositor,
window);
g_signal_connect (window->close_dialog, "response",
G_CALLBACK (close_dialog_response_cb), window);
}
void
meta_window_set_alive (MetaWindow *window,
gboolean is_alive)
{
if (is_alive && window->close_dialog)
{
meta_close_dialog_hide (window->close_dialog);
}
else if (!is_alive)
{
meta_window_ensure_close_dialog (window);
meta_close_dialog_show (window->close_dialog);
if (window->display &&
window->display->event_route == META_EVENT_ROUTE_NORMAL &&
window == window->display->focus_window)
meta_close_dialog_focus (window->close_dialog);
}
}
void
meta_window_check_alive (MetaWindow *window,
guint32 timestamp)
{
meta_display_ping_window (window, timestamp);
}
void
meta_window_delete (MetaWindow *window,
guint32 timestamp)
{
META_WINDOW_GET_CLASS (window)->delete (window, timestamp);
meta_window_check_alive (window, timestamp);
}
void
meta_window_kill (MetaWindow *window)
{
pid_t pid = meta_window_get_client_pid (window);
if (pid > 0)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Killing %s with kill()\n",
window->desc);
if (kill (pid, 9) == 0)
return;
meta_topic (META_DEBUG_WINDOW_OPS,
"Failed to signal %s: %s\n",
window->desc, strerror (errno));
}
META_WINDOW_GET_CLASS (window)->kill (window);
}
void
meta_window_free_delete_dialog (MetaWindow *window)
{
g_clear_object (&window->close_dialog);
}