From 28a029a4990d2a84f9d6a0b890eba812ea503998 Mon Sep 17 00:00:00 2001 From: Perberos Date: Thu, 1 Dec 2011 23:52:01 -0300 Subject: moving from https://github.com/perberos/mate-desktop-environment --- src/core/delete.c | 266 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 266 insertions(+) create mode 100644 src/core/delete.c (limited to 'src/core/delete.c') diff --git a/src/core/delete.c b/src/core/delete.c new file mode 100644 index 00000000..f0590e3b --- /dev/null +++ b/src/core/delete.c @@ -0,0 +1,266 @@ +/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ + +/* Marco 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + */ + +#define _GNU_SOURCE +#define _SVID_SOURCE /* for gethostname() */ + +#include +#include "util.h" +#include "window-private.h" +#include "errors.h" +#include "workspace.h" + +#include +#include +#include +#include +#include +#include +#include + +static void meta_window_present_delete_dialog (MetaWindow *window, + guint32 timestamp); + +static void +delete_ping_reply_func (MetaDisplay *display, + Window xwindow, + guint32 timestamp, + void *user_data) +{ + meta_topic (META_DEBUG_PING, + "Got reply to delete ping for %s\n", + ((MetaWindow*)user_data)->desc); + + /* we do nothing */ +} + +static void +dialog_exited (GPid pid, + int status, + gpointer user_data) +{ + MetaWindow *ours = (MetaWindow*) user_data; + + ours->dialog_pid = -1; + + /* exit status of 1 means the user pressed "Force Quit" */ + if (WIFEXITED (status) && WEXITSTATUS (status) == 1) + meta_window_kill (ours); +} + +static void +delete_ping_timeout_func (MetaDisplay *display, + Window xwindow, + guint32 timestamp, + void *user_data) +{ + MetaWindow *window = user_data; + char *window_title; + gchar *window_content, *tmp; + GPid dialog_pid; + + meta_topic (META_DEBUG_PING, + "Got delete ping timeout for %s\n", + window->desc); + + if (window->dialog_pid >= 0) + { + meta_window_present_delete_dialog (window, timestamp); + return; + } + + window_title = g_locale_from_utf8 (window->title, -1, NULL, NULL, NULL); + + /* Translators: %s is a window title */ + tmp = g_strdup_printf (_("%s is not responding."), + window_title); + window_content = g_strdup_printf ( + "%s\n\n%s", + tmp, + _("You may choose to wait a short while for it to " + "continue or force the application to quit entirely.")); + + g_free (window_title); + + dialog_pid = + meta_show_dialog ("--question", + window_content, 0, + window->screen->number, + _("_Wait"), _("_Force Quit"), window->xwindow, + NULL, NULL); + + g_free (window_content); + g_free (tmp); + + window->dialog_pid = dialog_pid; + g_child_watch_add (dialog_pid, dialog_exited, window); +} + +void +meta_window_delete (MetaWindow *window, + guint32 timestamp) +{ + meta_error_trap_push (window->display); + if (window->delete_window) + { + meta_topic (META_DEBUG_WINDOW_OPS, + "Deleting %s with delete_window request\n", + window->desc); + meta_window_send_icccm_message (window, + window->display->atom_WM_DELETE_WINDOW, + timestamp); + } + else + { + meta_topic (META_DEBUG_WINDOW_OPS, + "Deleting %s with explicit kill\n", + window->desc); + XKillClient (window->display->xdisplay, window->xwindow); + } + meta_error_trap_pop (window->display, FALSE); + + meta_display_ping_window (window->display, + window, + timestamp, + delete_ping_reply_func, + delete_ping_timeout_func, + window); + + if (window->has_focus) + { + /* FIXME Clean this up someday + * http://bugzilla.gnome.org/show_bug.cgi?id=108706 + */ +#if 0 + /* This is unfortunately going to result in weirdness + * if the window doesn't respond to the delete event. + * I don't know how to avoid that though. + */ + meta_topic (META_DEBUG_FOCUS, + "Focusing default window because focus window %s was deleted/killed\n", + window->desc); + meta_workspace_focus_default_window (window->screen->active_workspace, + window); +#else + meta_topic (META_DEBUG_FOCUS, + "Not unfocusing %s on delete/kill\n", + window->desc); +#endif + } + else + { + meta_topic (META_DEBUG_FOCUS, + "Window %s was deleted/killed but didn't have focus\n", + window->desc); + } +} + + +void +meta_window_kill (MetaWindow *window) +{ + char buf[257]; + + meta_topic (META_DEBUG_WINDOW_OPS, + "Killing %s brutally\n", + window->desc); + + if (window->wm_client_machine != NULL && + window->net_wm_pid > 0) + { + if (gethostname (buf, sizeof(buf)-1) == 0) + { + if (strcmp (buf, window->wm_client_machine) == 0) + { + meta_topic (META_DEBUG_WINDOW_OPS, + "Killing %s with kill()\n", + window->desc); + + if (kill (window->net_wm_pid, 9) < 0) + meta_topic (META_DEBUG_WINDOW_OPS, + "Failed to signal %s: %s\n", + window->desc, strerror (errno)); + } + } + else + { + meta_warning (_("Failed to get hostname: %s\n"), + strerror (errno)); + } + } + + meta_topic (META_DEBUG_WINDOW_OPS, + "Disconnecting %s with XKillClient()\n", + window->desc); + meta_error_trap_push (window->display); + XKillClient (window->display->xdisplay, window->xwindow); + meta_error_trap_pop (window->display, FALSE); +} + +void +meta_window_free_delete_dialog (MetaWindow *window) +{ + if (window->dialog_pid >= 0) + { + kill (window->dialog_pid, 9); + window->dialog_pid = -1; + } +} + +static void +meta_window_present_delete_dialog (MetaWindow *window, guint32 timestamp) +{ + meta_topic (META_DEBUG_PING, + "Presenting existing ping dialog for %s\n", + window->desc); + + if (window->dialog_pid >= 0) + { + GSList *windows; + GSList *tmp; + + /* Activate transient for window that belongs to + * marco-dialog + */ + + windows = meta_display_list_windows (window->display); + tmp = windows; + while (tmp != NULL) + { + MetaWindow *w = tmp->data; + + if (w->xtransient_for == window->xwindow && + w->res_class && + g_ascii_strcasecmp (w->res_class, "marco-dialog") == 0) + { + meta_window_activate (w, timestamp); + break; + } + + tmp = tmp->next; + } + + g_slist_free (windows); + } +} -- cgit v1.2.1