diff options
Diffstat (limited to 'src/core/delete.c')
| -rw-r--r-- | src/core/delete.c | 505 |
1 files changed, 0 insertions, 505 deletions
diff --git a/src/core/delete.c b/src/core/delete.c deleted file mode 100644 index abd1fd2c..00000000 --- a/src/core/delete.c +++ /dev/null @@ -1,505 +0,0 @@ -/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ - -/* Metacity 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 <config.h> -#include "util.h" -#include "window-private.h" -#include "errors.h" -#include "workspace.h" - -#include <sys/types.h> -#include <signal.h> -#include <unistd.h> -#include <errno.h> -#include <string.h> -#include <stdlib.h> -#include <stdio.h> - -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 Window -window_from_string (const char *str) -{ - char *end; - unsigned long l; - - end = NULL; - - l = strtoul (str, &end, 16); - - if (end == NULL || end == str) - { - meta_warning (_("Could not parse \"%s\" as an integer"), - str); - return None; - } - - if (*end != '\0') - { - meta_warning (_("Did not understand trailing characters \"%s\" in string \"%s\""), - end, str); - return None; - } - - return l; -} - -static int -pid_from_string (const char *str) -{ - char *end; - long l; - - end = NULL; - - l = strtol (str, &end, 10); - - if (end == NULL || end == str) - { - meta_warning (_("Could not parse \"%s\" as an integer"), - str); - return None; - } - - if (*end != '\0') - { - meta_warning (_("Did not understand trailing characters \"%s\" in string \"%s\""), - end, str); - return None; - } - - return l; -} - -static gboolean -parse_dialog_output (const char *str, - int *pid_out, - Window *win_out) -{ - char **split; - - split = g_strsplit (str, "\n", 2); - if (split && split[0] && split[1]) - { - g_strchomp (split[0]); - g_strchomp (split[1]); - - *pid_out = pid_from_string (split[0]); - *win_out = window_from_string (split[1]); - - g_strfreev (split); - - return TRUE; - } - else - { - g_strfreev (split); - meta_warning (_("Failed to parse message \"%s\" from dialog process\n"), - str); - return FALSE; - } -} - -static void -search_and_destroy_window (int pid, - Window xwindow) -{ - /* Find the window with the given dialog PID, - * double check that it matches "xwindow", then - * kill the window. - */ - GSList *tmp; - gboolean found = FALSE; - GSList *windows; - - if (xwindow == None) - { - meta_topic (META_DEBUG_PING, - "Window to destroy is None, doing nothing\n"); - return; - } - - windows = meta_display_list_windows (meta_get_display ()); - tmp = windows; - - while (tmp != NULL) - { - MetaWindow *w = tmp->data; - - if (w->dialog_pid == pid) - { - if (w->xwindow != xwindow) - meta_topic (META_DEBUG_PING, - "Dialog pid matches but not xwindow (0x%lx vs. 0x%lx)\n", - w->xwindow, xwindow); - else - { - meta_window_kill (w); - found = TRUE; - } - } - - tmp = tmp->next; - } - - g_slist_free (windows); - - if (!found) - meta_topic (META_DEBUG_PING, - "Did not find a window with dialog pid %d xwindow 0x%lx\n", - pid, xwindow); -} - -static void -release_window_with_fd (int fd) -{ - /* Find the window with the given dialog PID, - * double check that it matches "xwindow", then - * kill the window. - */ - gboolean found = FALSE; - - GSList *windows = meta_display_list_windows (meta_get_display ()); - GSList *tmp = windows; - - while (tmp != NULL) - { - MetaWindow *w = tmp->data; - - if (w->dialog_pid >= 0 && - w->dialog_pipe == fd) - { - meta_topic (META_DEBUG_PING, - "Removing dialog with fd %d pid %d from window %s\n", - fd, w->dialog_pid, w->desc); - meta_window_free_delete_dialog (w); - found = TRUE; - } - - tmp = tmp->next; - } - - g_slist_free (windows); - - if (!found) - meta_topic (META_DEBUG_PING, - "Did not find a window with a dialog pipe %d\n", - fd); -} - -static gboolean -io_from_ping_dialog (GIOChannel *channel, - GIOCondition condition, - gpointer data) -{ - meta_topic (META_DEBUG_PING, - "IO handler from ping dialog, condition = %x\n", - condition); - - if (condition & G_IO_IN) - { - char *str; - gsize len; - GError *err; - - /* Go ahead and block for all data from child */ - str = NULL; - len = 0; - err = NULL; - g_io_channel_read_to_end (channel, - &str, &len, - &err); - - if (err) - { - meta_warning (_("Error reading from dialog display process: %s\n"), - err->message); - g_error_free (err); - } - - meta_topic (META_DEBUG_PING, - "Read %" G_GSIZE_FORMAT " bytes strlen %d \"%s\" from child\n", - len, str ? (int) strlen (str) : 0, str ? str : "NULL"); - - if (len > 0) - { - /* We're supposed to kill the given window */ - int pid; - Window xwindow; - - if (parse_dialog_output (str, &pid, &xwindow)) - search_and_destroy_window (pid, xwindow); - } - - g_free (str); - } - - release_window_with_fd (g_io_channel_unix_get_fd (channel)); - - /* Remove the callback */ - return FALSE; -} - -static void -delete_ping_timeout_func (MetaDisplay *display, - Window xwindow, - guint32 timestamp, - void *user_data) -{ - MetaWindow *window = user_data; - GError *err; - int child_pid; - int outpipe; - char *argv[9]; - char numbuf[32]; - char timestampbuf[32]; - char *window_id_str; - char *window_title; - GIOChannel *channel; - - 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_id_str = g_strdup_printf ("0x%lx", window->xwindow); - window_title = g_locale_from_utf8 (window->title, -1, NULL, NULL, NULL); - - sprintf (numbuf, "%d", window->screen->number); - sprintf (timestampbuf, "%u", timestamp); - - argv[0] = METACITY_LIBEXECDIR"/metacity-dialog"; - argv[1] = "--screen"; - argv[2] = numbuf; - argv[3] = "--timestamp"; - argv[4] = timestampbuf; - argv[5] = "--kill-window-question"; - argv[6] = window_title; - argv[7] = window_id_str; - argv[8] = NULL; - - err = NULL; - if (!g_spawn_async_with_pipes ("/", - argv, - NULL, - 0, - NULL, NULL, - &child_pid, - NULL, - &outpipe, - NULL, - &err)) - { - meta_warning (_("Error launching metacity-dialog to ask about killing an application: %s\n"), - err->message); - g_error_free (err); - goto out; - } - - window->dialog_pid = child_pid; - window->dialog_pipe = outpipe; - - channel = g_io_channel_unix_new (window->dialog_pipe); - g_io_add_watch_full (channel, G_PRIORITY_DEFAULT, - G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL, - io_from_ping_dialog, - NULL, NULL); - g_io_channel_unref (channel); - - out: - g_free (window_title); - g_free (window_id_str); -} - -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); - close (window->dialog_pipe); - window->dialog_pid = -1; - window->dialog_pipe = -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 - * metacity-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, "metacity-dialog") == 0) - { - meta_window_activate (w, timestamp); - break; - } - - tmp = tmp->next; - } - - g_slist_free (windows); - } -} |