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57ff0f7071
Add meta_window_check_alive(), which is a simple wrapper over meta_display_ping_window(), and takes care of showing the "Application is not responding dialog" if needed. https://bugzilla.gnome.org/show_bug.cgi?id=684340
277 lines
7.7 KiB
C
277 lines
7.7 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/* Mutter window deletion */
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/*
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* Copyright (C) 2001, 2002 Havoc Pennington
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* Copyright (C) 2004 Elijah Newren
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#define _XOPEN_SOURCE /* for kill() */
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#include <config.h>
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#include <meta/util.h>
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#include "window-private.h"
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#include <meta/errors.h>
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#include <meta/workspace.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <signal.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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static void meta_window_present_delete_dialog (MetaWindow *window,
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guint32 timestamp);
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static void
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delete_ping_reply_func (MetaDisplay *display,
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Window xwindow,
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guint32 timestamp,
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void *user_data)
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{
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meta_topic (META_DEBUG_PING,
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"Got reply to delete ping for %s\n",
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((MetaWindow*)user_data)->desc);
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/* we do nothing */
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}
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static void
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dialog_exited (GPid pid, int status, gpointer user_data)
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{
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MetaWindow *ours = (MetaWindow*) user_data;
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ours->dialog_pid = -1;
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/* exit status of 1 means the user pressed "Force Quit" */
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if (WIFEXITED (status) && WEXITSTATUS (status) == 1)
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meta_window_kill (ours);
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}
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static void
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delete_ping_timeout_func (MetaDisplay *display,
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Window xwindow,
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guint32 timestamp,
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void *user_data)
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{
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MetaWindow *window = user_data;
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char *window_title;
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gchar *window_content, *tmp;
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GPid dialog_pid;
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meta_topic (META_DEBUG_PING,
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"Got delete ping timeout for %s\n",
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window->desc);
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if (window->dialog_pid >= 0)
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{
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meta_window_present_delete_dialog (window, timestamp);
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return;
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}
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/* This is to get a better string if the title isn't representable
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* in the locale encoding; actual conversion to UTF-8 is done inside
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* meta_show_dialog */
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if (window->title && window->title[0])
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{
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tmp = g_locale_from_utf8 (window->title, -1, NULL, NULL, NULL);
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if (tmp == NULL)
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window_title = NULL;
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else
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window_title = window->title;
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g_free (tmp);
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}
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else
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{
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window_title = NULL;
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}
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/* Translators: %s is a window title */
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if (window_title)
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tmp = g_strdup_printf (_("“%s” is not responding."), window_title);
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else
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tmp = g_strdup (_("Application is not responding."));
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window_content = g_strdup_printf (
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"<big><b>%s</b></big>\n\n%s",
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tmp,
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_("You may choose to wait a short while for it to "
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"continue or force the application to quit entirely."));
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dialog_pid =
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meta_show_dialog ("--question",
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window_content, NULL,
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window->screen->screen_name,
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_("_Wait"), _("_Force Quit"),
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"face-sad-symbolic", window->xwindow,
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NULL, NULL);
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g_free (window_content);
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g_free (tmp);
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window->dialog_pid = dialog_pid;
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g_child_watch_add (dialog_pid, dialog_exited, window);
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}
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void
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meta_window_check_alive (MetaWindow *window,
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guint32 timestamp)
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{
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meta_display_ping_window (window->display,
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window,
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timestamp,
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delete_ping_reply_func,
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delete_ping_timeout_func,
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window);
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}
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void
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meta_window_delete (MetaWindow *window,
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guint32 timestamp)
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{
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meta_error_trap_push (window->display);
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if (window->delete_window)
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{
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meta_topic (META_DEBUG_WINDOW_OPS,
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"Deleting %s with delete_window request\n",
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window->desc);
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meta_window_send_icccm_message (window,
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window->display->atom_WM_DELETE_WINDOW,
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timestamp);
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}
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else
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{
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meta_topic (META_DEBUG_WINDOW_OPS,
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"Deleting %s with explicit kill\n",
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window->desc);
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XKillClient (window->display->xdisplay, window->xwindow);
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}
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meta_error_trap_pop (window->display);
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meta_window_check_alive (window, timestamp);
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if (window->has_focus)
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{
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/* FIXME Clean this up someday
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* http://bugzilla.gnome.org/show_bug.cgi?id=108706
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*/
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#if 0
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/* This is unfortunately going to result in weirdness
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* if the window doesn't respond to the delete event.
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* I don't know how to avoid that though.
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*/
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meta_topic (META_DEBUG_FOCUS,
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"Focusing default window because focus window %s was deleted/killed\n",
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window->desc);
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meta_workspace_focus_default_window (window->screen->active_workspace,
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window);
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#else
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meta_topic (META_DEBUG_FOCUS,
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"Not unfocusing %s on delete/kill\n",
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window->desc);
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#endif
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}
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else
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{
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meta_topic (META_DEBUG_FOCUS,
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"Window %s was deleted/killed but didn't have focus\n",
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window->desc);
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}
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}
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void
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meta_window_kill (MetaWindow *window)
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{
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meta_topic (META_DEBUG_WINDOW_OPS,
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"Killing %s brutally\n",
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window->desc);
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if (!meta_window_is_remote (window) &&
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window->net_wm_pid > 0)
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{
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meta_topic (META_DEBUG_WINDOW_OPS,
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"Killing %s with kill()\n",
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window->desc);
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if (kill (window->net_wm_pid, 9) < 0)
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meta_topic (META_DEBUG_WINDOW_OPS,
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"Failed to signal %s: %s\n",
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window->desc, strerror (errno));
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}
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meta_topic (META_DEBUG_WINDOW_OPS,
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"Disconnecting %s with XKillClient()\n",
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window->desc);
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meta_error_trap_push (window->display);
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XKillClient (window->display->xdisplay, window->xwindow);
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meta_error_trap_pop (window->display);
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}
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void
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meta_window_free_delete_dialog (MetaWindow *window)
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{
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if (window->dialog_pid >= 0)
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{
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kill (window->dialog_pid, 9);
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window->dialog_pid = -1;
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}
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}
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static void
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meta_window_present_delete_dialog (MetaWindow *window, guint32 timestamp)
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{
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meta_topic (META_DEBUG_PING,
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"Presenting existing ping dialog for %s\n",
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window->desc);
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if (window->dialog_pid >= 0)
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{
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GSList *windows;
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GSList *tmp;
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/* Activate transient for window that belongs to
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* mutter-dialog
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*/
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windows = meta_display_list_windows (window->display, META_LIST_DEFAULT);
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tmp = windows;
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while (tmp != NULL)
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{
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MetaWindow *w = tmp->data;
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if (w->xtransient_for == window->xwindow &&
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w->res_class &&
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g_ascii_strcasecmp (w->res_class, "mutter-dialog") == 0)
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{
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meta_window_activate (w, timestamp);
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break;
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}
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tmp = tmp->next;
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}
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g_slist_free (windows);
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}
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}
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