e16/src/session.c

1016 lines
27 KiB
C

/*
* Copyright (C) 2000-2004 Carsten Haitzler, Geoff Harrison and various contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "E.h"
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/time.h>
#ifdef USE_EXT_INIT_WIN
static Window new_init_win_ext = None;
#endif
#ifndef DEFAULT_SH_PATH
#ifdef __sgi
/*
* It appears that SGI (at least IRIX 6.4) uses ksh as their sh, and it
* seems to run in restricted mode, so things like restart fail miserably.
* Let's use csh instead
* -KDT 07/31/98
*/
#define DEFAULT_SH_PATH "/sbin/csh"
#else
#define DEFAULT_SH_PATH "/bin/sh"
#endif
#endif
static int sm_fd = -1;
/* True if we are saving state for a doExit("restart") */
static int restarting = False;
#if 0 /* Unused */
/* The saved window details */
static int num_match = 0;
typedef struct _match
{
char *session_id;
char *name;
char *class;
char *role;
char *command;
char used;
int x, y, w, h;
int desktop, iconified, shaded, sticky, layer;
}
Match;
Match *matches = NULL;
static void
SaveWindowStates(void)
{
EWin *const *lst, *ewin;
int i, num, x, y;
FILE *f;
char s[4096], ss[4096];
if (!Mode.wm.save_ok)
return;
Etmp(s);
f = fopen(s, "w");
if (f == NULL)
return;
lst = EwinListGetAll(&num);
for (i = 0; i < num; i++)
{
ewin = lst[i];
if ((!EwinIsInternal(ewin))
&& ((ewin->icccm.wm_command) || (ewin->session_id)))
{
x = 0;
y = 0;
if (!EoIsSticky(ewin))
{
DeskGetArea(EoGetDesk(ewin), &x, &y);
x = x * VRoot.w;
y = y * VRoot.h;
}
fprintf(f, "[CLIENT] %i %i %i %i %i %i %i %i %i\n",
EoGetX(ewin) + x, EoGetY(ewin) + y, ewin->client.w,
ewin->client.h, EoGetDesk(ewin), ewin->iconified,
ewin->shaded, EoIsSticky(ewin), EoGetLayer(ewin));
if (ewin->session_id)
fprintf(f, " [SESSION_ID] %s\n", ewin->session_id);
if (ewin->icccm.wm_res_name)
fprintf(f, " [NAME] %s\n", ewin->icccm.wm_res_name);
if (ewin->icccm.wm_res_class)
fprintf(f, " [CLASS] %s\n", ewin->icccm.wm_res_class);
if (ewin->icccm.wm_role)
fprintf(f, " [ROLE] %s\n", ewin->icccm.wm_role);
if (ewin->icccm.wm_command)
fprintf(f, " [COMMAND] %s\n", ewin->icccm.wm_command);
}
}
fclose(f);
Esnprintf(ss, sizeof(ss), "%s.clients", EGetSavePrefix());
if (EventDebug(EDBUG_TYPE_SESSION))
Eprintf("SaveWindowStates: %s\n", ss);
E_mv(s, ss);
if (!isfile(ss))
Alert(_("There was an error writing the clients "
"session save file.\n" "You may have run out of disk "
"space, not have permission\n"
"to write to your filing system "
"or other similar problems.\n"));
}
static void
LoadWindowStates(void)
{
FILE *f;
char s[4096], s1[4096];
Esnprintf(s, sizeof(s), "%s.clients", EGetSavePrefix());
f = fopen(s, "r");
if (f)
{
while (fgets(s, sizeof(s), f))
{
s[strlen(s) - 1] = 0;
sscanf(s, "%4000s", s1);
if (!strcmp(s1, "[CLIENT]"))
{
num_match++;
matches = Erealloc(matches, sizeof(Match) * num_match);
matches[num_match - 1].session_id = NULL;
matches[num_match - 1].name = NULL;
matches[num_match - 1].class = NULL;
matches[num_match - 1].role = NULL;
matches[num_match - 1].command = NULL;
matches[num_match - 1].used = 0;
sscanf(s, "%*s %i %i %i %i %i %i %i %i %i",
&(matches[num_match - 1].x),
&(matches[num_match - 1].y),
&(matches[num_match - 1].w),
&(matches[num_match - 1].h),
&(matches[num_match - 1].desktop),
&(matches[num_match - 1].iconified),
&(matches[num_match - 1].shaded),
&(matches[num_match - 1].sticky),
&(matches[num_match - 1].layer));
}
else if (!strcmp(s1, "[SESSION_ID]"))
{
matches[num_match - 1].session_id = Estrdup(atword(s, 2));
}
else if (!strcmp(s1, "[NAME]"))
{
matches[num_match - 1].name = Estrdup(atword(s, 2));
}
else if (!strcmp(s1, "[CLASS]"))
{
matches[num_match - 1].class = Estrdup(atword(s, 2));
}
else if (!strcmp(s1, "[ROLE]"))
{
matches[num_match - 1].role = Estrdup(atword(s, 2));
/* Needed for matching X11R5 clients */
}
else if (!strcmp(s1, "[COMMAND]"))
{
matches[num_match - 1].command = Estrdup(atword(s, 2));
}
}
fclose(f);
}
}
/* These matching rules try to cover everyone with minimal work done
* for clients that actually comply with the X11R6 ICCCM. */
void
MatchEwinToSM(EWin * ewin)
{
int i, ax, ay;
if (GetSMfd() < 0)
return;
for (i = 0; i < num_match; i++)
{
if ((!matches[i].used))
{
/* No match unless both have or both lack a session_id */
if (!ewin->session_id)
{
if (matches[i].session_id)
continue;
}
if (ewin->session_id)
{
if (!matches[i].session_id)
continue;
}
if ((ewin->session_id))
{
/* The X11R6 protocol guarantees matching session_ids */
if (strcmp(ewin->session_id, matches[i].session_id))
continue;
}
else
{
/* The X11R5 protocol was based around the WM_COMMAND
* property which should be preserved over sessions
* by compliant apps.
*
* FIXME: Mozilla DELETES the WM_COMMAND property on
* a regular basis so is is wise NOT to update
* this property when it is set to NULL. */
if ((ewin->icccm.wm_command) && (matches[i].command)
&& strcmp(ewin->icccm.wm_command, matches[i].command))
continue;
}
if ((ewin->icccm.wm_role) && (matches[i].role))
{
/* The X11R6 protocol guarantees that any WM_WINDOW_ROLE
* is unique among the windows sharing a SM_CLIENT_ID.
*
* Clients which use the same WM_WINDOW_ROLE on two
* windows are breaking the ICCCM even if they have
* different WM_CLASS properties on those windows. */
if (strcmp(ewin->icccm.wm_role, matches[i].role))
continue;
}
else
{
/* The WM_CLASS is a stable basis for a test. */
if ((ewin->icccm.wm_res_class) && (matches[i].class)
&& (strcmp(ewin->icccm.wm_res_class, matches[i].class)))
continue;
if ((ewin->icccm.wm_res_name) && (matches[i].name)
&& (strcmp(ewin->icccm.wm_res_name, matches[i].name)))
continue;
/* Twm also matches on the WM_NAME but only when this value
* has not changed since the window was first mapped.
* This seems a bit kludgy to me. (: */
}
matches[i].used = 1;
ewin->client.already_placed = 1;
ewin->client.start_iconified = matches[i].iconified;
EoSetSticky(ewin, matches[i].sticky);
ewin->shaded = matches[i].shaded;
EoSetLayer(ewin, matches[i].layer);
if (!EoIsSticky(ewin))
EoSetDesk(ewin, matches[i].desktop);
/* if it's NOT (X11R6 and already placed by the client) */
if (!((ewin->client.already_placed) && (ewin->session_id)))
{
DeskGetArea(EoGetDesk(ewin), &ax, &ay);
ewin->client.x = matches[i].x - (ax * VRoot.w);
ewin->client.y = matches[i].y - (ay * VRoot.h);
ewin->client.grav = NorthWestGravity;
ewin->client.w = matches[i].w;
ewin->client.h = matches[i].h;
EMoveResizeWindow(disp, ewin->client.win, ewin->client.x,
ewin->client.y, ewin->client.w,
ewin->client.h);
}
if (EventDebug(EDBUG_TYPE_SNAPS))
Eprintf("Snap get sess %#lx: %4d+%4d %4dx%4d: %s\n",
ewin->client.win, ewin->client.x, ewin->client.y,
ewin->client.w, ewin->client.h, EwinGetName(ewin));
break;
}
}
}
#endif /* Unused */
void
autosave(void)
{
if (!Mode.wm.save_ok)
return;
if (EventDebug(EDBUG_TYPE_SESSION))
Eprintf("autosave\n");
Real_SaveSnapInfo(0, NULL);
/* Save the configuration parameters */
ConfigurationSave();
}
#ifdef HAVE_X11_SM_SMLIB_H
#include <X11/SM/SMlib.h>
/*
* NB! If the discard property is revived, the dual use of buf must be fixed.
*/
#define USE_DISCARD_PROPERTY 0
static char *sm_client_id = NULL;
static SmcConn sm_conn = NULL;
/* Used by multiheaded child processes to identify when they have
* recieved the new sm_file value from the master_pid process */
static int stale_sm_file = 0;
static void
set_save_props(SmcConn smc_conn, int master_flag)
{
char *user = NULL;
const char *program = NULL;
const char *pristr = "_GSM_Priority";
const char *sm_file;
const char *smid = "-smid";
const char *single = "-single";
#if 0
const char *smfile = "-smfile";
#endif
const char *econfdir = "-econfdir";
const char *e_conf_dir;
const char *ecachedir = "-ecachedir";
const char *e_cache_dir;
#ifdef USE_EXT_INIT_WIN
const char *extinitwin = "-ext_init_win";
char buf[512];
#endif
char priority = 10;
char style;
int n;
SmPropValue programVal = { 0, NULL };
SmPropValue userIDVal = { 0, NULL };
#if USE_DISCARD_PROPERTY
char *sh = "sh";
char *c = "-c";
SmPropValue discardVal[] = {
{0, NULL},
{0, NULL},
{0, NULL}
};
SmProp discardProp;
#endif
SmPropValue restartVal[] = {
{0, NULL},
{0, NULL},
{0, NULL},
{0, NULL},
{0, NULL},
{0, NULL},
{0, NULL},
{0, NULL},
{0, NULL},
{0, NULL}
};
SmPropValue styleVal = { 0, NULL };
SmPropValue priorityVal = { 0, NULL };
SmProp programProp;
SmProp userIDProp;
SmProp restartProp;
SmProp cloneProp;
SmProp styleProp;
SmProp priorityProp;
SmProp *props[7];
if (EventDebug(EDBUG_TYPE_SESSION))
Eprintf("set_save_props\n");
programProp.name = (char *)SmProgram;
programProp.type = (char *)SmARRAY8;
programProp.num_vals = 1;
programProp.vals = &programVal;
userIDProp.name = (char *)SmUserID;
userIDProp.type = (char *)SmARRAY8;
userIDProp.num_vals = 1;
userIDProp.vals = &userIDVal;
#if USE_DISCARD_PROPERTY
discardProp.name = (char *)SmDiscardCommand;
discardProp.type = (char *)SmLISTofARRAY8;
discardProp.num_vals = 3;
discardProp.vals = (SmPropValue *) & discardVal;
#endif
restartProp.name = (char *)SmRestartCommand;
restartProp.type = (char *)SmLISTofARRAY8;
restartProp.vals = (SmPropValue *) & restartVal;
cloneProp.name = (char *)SmCloneCommand;
cloneProp.type = (char *)SmLISTofARRAY8;
cloneProp.vals = (SmPropValue *) & restartVal;
styleProp.name = (char *)SmRestartStyleHint;
styleProp.type = (char *)SmCARD8;
styleProp.num_vals = 1;
styleProp.vals = (SmPropValue *) & styleVal;
priorityProp.name = (char *)pristr;
priorityProp.type = (char *)SmCARD8;
priorityProp.num_vals = 1;
priorityProp.vals = (SmPropValue *) & priorityVal;
if (master_flag)
/* Master WM restarts immediately for a doExit("restart") */
style = restarting ? SmRestartImmediately : SmRestartIfRunning;
else
/* Slave WMs never restart */
style = SmRestartNever;
user = username(getuid());
e_conf_dir = EDirUser();
e_cache_dir = EDirUserCache();
/* The SM specs state that the SmProgram should be the argument passed
* to execve. Passing argv[0] is close enough. */
program = Mode.wm.exec_name;
sm_file = EGetSavePrefix();
userIDVal.length = strlen(user);
userIDVal.value = user;
programVal.length = strlen(program);
programVal.value = (char *)program;
styleVal.length = 1;
styleVal.value = &style;
priorityVal.length = 1;
priorityVal.value = &priority;
#if USE_DISCARD_PROPERTY
/* Tell session manager how to clean up our old data */
Esnprintf(buf, sizeof(buf), "rm %s*.clients.*", sm_file);
discardVal[0].length = strlen(sh);
discardVal[0].value = sh;
discardVal[1].length = strlen(c);
discardVal[1].value = c;
discardVal[2].length = strlen(buf);
discardVal[2].value = buf; /* ??? Also used in restartVal ??? */
#endif
n = 0;
restartVal[n].length = strlen(program);
restartVal[n++].value = (char *)program;
if (Mode.wm.single)
{
restartVal[n].length = strlen(single);
restartVal[n++].value = (char *)single;
}
#ifdef USE_EXT_INIT_WIN
if (restarting)
{
Esnprintf(buf, sizeof(buf), "%li", new_init_win_ext);
restartVal[n].length = strlen(extinitwin);
restartVal[n++].value = (char *)extinitwin;
restartVal[n].length = strlen(buf);
restartVal[n++].value = buf;
}
#endif
#if 0
restartVal[n].length = strlen(smfile);
restartVal[n++].value = (char *)smfile;
restartVal[n].length = strlen(sm_file);
restartVal[n++].value = (char *)sm_file;
#endif
restartVal[n].length = strlen(econfdir);
restartVal[n++].value = (char *)econfdir;
restartVal[n].length = strlen(e_conf_dir);
restartVal[n++].value = (char *)e_conf_dir;
restartVal[n].length = strlen(ecachedir);
restartVal[n++].value = (char *)ecachedir;
restartVal[n].length = strlen(e_cache_dir);
restartVal[n++].value = (char *)e_cache_dir;
restartVal[n].length = strlen(smid);
restartVal[n++].value = (char *)smid;
restartVal[n].length = strlen(sm_client_id);
restartVal[n++].value = sm_client_id;
restartProp.num_vals = n;
/* SM specs require SmCloneCommand excludes "-smid" option */
cloneProp.num_vals = restartProp.num_vals - 2;
if (EventDebug(EDBUG_TYPE_SESSION))
for (n = 0; n < restartProp.num_vals; n++)
Eprintf("restartVal[i]: %2d: %s\n", restartVal[n].length,
(char *)restartVal[n].value);
n = 0;
props[n++] = &programProp;
props[n++] = &userIDProp;
#if USE_DISCARD_PROPERTY
props[n++] = &discardProp;
#endif
props[n++] = &restartProp;
props[n++] = &cloneProp;
props[n++] = &styleProp;
props[n++] = &priorityProp;
SmcSetProperties(smc_conn, n, props);
if (user)
Efree(user);
}
/* This function is usually exclusively devoted to saving data.
* However, E sometimes wants to save state and exit immediately afterwards
* so that the SM will restart it in a different theme. Therefore, we include
* a suicide clause at the end.
*/
static void
callback_save_yourself2(SmcConn smc_conn, SmPointer client_data __UNUSED__)
{
if (EventDebug(EDBUG_TYPE_SESSION))
Eprintf("callback_save_yourself2\n");
/* dont need anymore */
/* autosave(); */
if (!Mode.wm.master)
{
struct timeval tv1, tv2;
gettimeofday(&tv1, NULL);
/* This loop should rarely be needed */
while (stale_sm_file)
{
WaitEvent();
gettimeofday(&tv2, NULL);
if (tv2.tv_sec - tv1.tv_sec > 10)
{
SmcSaveYourselfDone(smc_conn, False);
return;
}
}
}
stale_sm_file = 1;
set_save_props(smc_conn, Mode.wm.master);
SmcSaveYourselfDone(smc_conn, True);
if (restarting)
EExit(0);
}
static void
callback_save_yourself(SmcConn smc_conn, SmPointer client_data __UNUSED__,
int save_style __UNUSED__, Bool shutdown __UNUSED__,
int interact_style __UNUSED__, Bool fast __UNUSED__)
{
if (EventDebug(EDBUG_TYPE_SESSION))
Eprintf("callback_save_yourself\n");
if (Mode.wm.master)
{
char s[4096];
/* int fd; */
Esnprintf(s, sizeof(s), "sm_file %s", EGetSavePrefix());
/* fd = Emkstemp(s + 8);
* if (fd < 0)
* {
* SmcSaveYourselfDone(smc_conn, False);
* return;
* }
* SetSMFile(s + 8); */
CommsBroadcastToSlaveWMs(EGetSavePrefix());
/* dont need */
/* autosave(); */
/*
* if (strcmp(GetSMFile(), GetGenericSMFile()))
* {
* if (exists(GetGenericSMFile()))
* E_rm(GetGenericSMFile());
* symlink(GetSMFile(), GetGenericSMFile());
* }
*/
}
#if 0 /* Unused */
SaveWindowStates();
#endif
SmcRequestSaveYourselfPhase2(smc_conn, callback_save_yourself2, NULL);
}
static void
callback_die(SmcConn smc_conn __UNUSED__, SmPointer client_data __UNUSED__)
{
if (EventDebug(EDBUG_TYPE_SESSION))
Eprintf("callback_die\n");
if (Mode.wm.master)
SoundPlay("SOUND_EXIT");
EExit(0);
}
static void
callback_save_complete(SmcConn smc_conn __UNUSED__,
SmPointer client_data __UNUSED__)
{
if (EventDebug(EDBUG_TYPE_SESSION))
Eprintf("callback_save_complete\n");
}
static void
callback_shutdown_cancelled(SmcConn smc_conn, SmPointer client_data __UNUSED__)
{
if (EventDebug(EDBUG_TYPE_SESSION))
Eprintf("callback_shutdown_cancelled\n");
SmcSaveYourselfDone(smc_conn, False);
}
static Atom atom_sm_client_id;
static Atom atom_wm_client_leader;
static IceConn ice_conn;
static void
ice_io_error_handler(IceConn connection)
{
if (EventDebug(EDBUG_TYPE_SESSION))
Eprintf("ice_io_error_handler\n");
/* The less we do here the better - the default handler does an
* exit(1) instead of closing the losing connection. */
connection = 0;
}
#endif /* HAVE_X11_SM_SMLIB_H */
void
SessionInit(void)
{
#ifdef HAVE_X11_SM_SMLIB_H
static SmPointer context;
SmcCallbacks callbacks;
atom_sm_client_id = XInternAtom(disp, "SM_CLIENT_ID", False);
atom_wm_client_leader = XInternAtom(disp, "WM_CLIENT_LEADER", False);
IceSetIOErrorHandler(ice_io_error_handler);
callbacks.save_yourself.callback = callback_save_yourself;
callbacks.die.callback = callback_die;
callbacks.save_complete.callback = callback_save_complete;
callbacks.shutdown_cancelled.callback = callback_shutdown_cancelled;
callbacks.save_yourself.client_data = callbacks.die.client_data =
callbacks.save_complete.client_data =
callbacks.shutdown_cancelled.client_data = (SmPointer) NULL;
if (getenv("SESSION_MANAGER"))
{
char error_string_ret[4096] = "";
char *client_id = NULL;
if (sm_client_id)
client_id = Estrdup(sm_client_id);
sm_conn =
SmcOpenConnection(NULL, &context, SmProtoMajor, SmProtoMinor,
SmcSaveYourselfProcMask | SmcDieProcMask |
SmcSaveCompleteProcMask |
SmcShutdownCancelledProcMask, &callbacks,
client_id, &sm_client_id, 4096, error_string_ret);
if (client_id)
Efree(client_id);
if (error_string_ret[0])
fprintf(stderr, "While connecting to session manager:\n%s.",
error_string_ret);
}
if (sm_conn)
{
char style[2];
SmPropValue styleVal;
SmProp styleProp;
SmProp *props[1];
style[0] = SmRestartIfRunning;
style[1] = 0;
styleVal.length = 1;
styleVal.value = style;
styleProp.name = (char *)SmRestartStyleHint;
styleProp.type = (char *)SmCARD8;
styleProp.num_vals = 1;
styleProp.vals = &styleVal;
props[0] = &styleProp;
ice_conn = SmcGetIceConnection(sm_conn);
sm_fd = IceConnectionNumber(ice_conn);
/* Just in case we are a copy of E created by a doExit("restart") */
SmcSetProperties(sm_conn, 1, props);
fcntl(sm_fd, F_SETFD, fcntl(sm_fd, F_GETFD, 0) | FD_CLOEXEC);
}
stale_sm_file = 1;
#endif /* HAVE_X11_SM_SMLIB_H */
#if 0 /* Unused */
LoadWindowStates();
#endif
if (!Conf.session.cmd_reboot)
Conf.session.cmd_reboot = Estrdup("reboot");
if (!Conf.session.cmd_halt)
Conf.session.cmd_halt = Estrdup("poweroff");
}
void
ProcessICEMSGS(void)
{
#ifdef HAVE_X11_SM_SMLIB_H
IceProcessMessagesStatus status;
if (sm_fd < 0)
return;
status = IceProcessMessages(ice_conn, NULL, NULL);
if (status == IceProcessMessagesIOError)
{
/* Less of the hope.... E survives */
DialogAlert(_("ERROR!\n" "\n"
"Lost the Session Manager that was there?\n"
"Here here session manager... come here... want a bone?\n"
"Oh come now! Stop sulking! Bugger. Oh well. "
"Will continue without\n" "a session manager.\n" "\n"
"I'll survive somehow.\n" "\n" "\n" "... I hope.\n"));
SmcCloseConnection(sm_conn, 0, NULL);
sm_conn = NULL;
sm_fd = -1;
}
#endif /* HAVE_X11_SM_SMLIB_H */
}
int
GetSMfd(void)
{
return sm_fd;
}
void
SessionGetInfo(EWin * ewin, Atom atom_change)
{
#ifdef HAVE_X11_SM_SMLIB_H
Ecore_X_Window win;
int num;
if (ewin->session_id)
{
Efree(ewin->session_id);
ewin->session_id = NULL;
}
/* We can comply with the ICCCM because gtk is working correctly */
if ((atom_change) &&
(!(atom_change == atom_sm_client_id ||
atom_change == atom_wm_client_leader)))
return;
num = ecore_x_window_prop_window_get(ewin->client.win,
atom_wm_client_leader, &win, 1);
if (num > 0)
ewin->session_id = ecore_x_window_prop_string_get(win, atom_sm_client_id);
#else
ewin = NULL;
atom_change = 0;
#endif /* HAVE_X11_SM_SMLIB_H */
}
void
SetSMID(const char *smid)
{
#ifdef HAVE_X11_SM_SMLIB_H
sm_client_id = Estrdup(smid);
#else
smid = NULL;
#endif /* HAVE_X11_SM_SMLIB_H */
}
void
SessionSave(int shutdown)
{
if (EventDebug(EDBUG_TYPE_SESSION))
Eprintf("SessionSave(%d)\n", shutdown);
/* dont' need anymore */
/* autosave(); */
#ifdef HAVE_X11_SM_SMLIB_H
if (shutdown && sm_conn)
{
SmcCloseConnection(sm_conn, 0, NULL);
sm_conn = NULL;
sm_fd = -1;
}
#endif /* HAVE_X11_SM_SMLIB_H */
}
/*
* Normally, the SM will throw away all the session data for a client
* that breaks its connection unexpectedly. In order to avoid this we
* have to let the SM handle the restart (by setting a SmRestartStyleHint
* of SmRestartImmediately). Rather than forcing all SM clients to do a
* checkpoint (which would be a bit cleaner) we just save our own state
* and then restore it on restart. We grab X input via the ext_init_win
* so the our clients remain frozen while we are down.
*/
static void
doSMExit(int mode, const char *params)
{
int l;
char s[1024];
const char *ss;
if (EventDebug(EDBUG_TYPE_SESSION))
Eprintf("doSMExit: mode=%d prm=%p\n", mode, params);
restarting = True;
#if 0 /* Unused */
SaveWindowStates();
#endif
if (!params)
SessionSave(1);
Real_SaveSnapInfo(0, NULL);
EHintsSetInfoOnAll();
EwinsSetFree();
ModulesSignal(ESIGNAL_EXIT, NULL);
if (Mode.wm.startup && Mode.wm.exiting)
MapUnmap(1);
if (disp)
{
XSelectInput(disp, VRoot.win, 0);
#if 0 /* FIXME */
if (Mode.wm.master && init_win_ext)
XKillClient(disp, init_win_ext);
#endif
XSync(disp, False);
}
ss = NULL;
switch (mode)
{
case EEXIT_EXEC:
SoundPlay("SOUND_EXIT");
SoundPlay("SOUND_WAIT");
EDisplayClose();
Esnprintf(s, sizeof(s), "exec %s", params);
if (EventDebug(EDBUG_TYPE_SESSION))
Eprintf("doSMExit: %s\n", s);
execl(DEFAULT_SH_PATH, DEFAULT_SH_PATH, "-c", s, NULL);
break;
case EEXIT_THEME:
ss = params;
case EEXIT_RESTART:
SoundPlay("SOUND_WAIT");
#ifdef USE_EXT_INIT_WIN
if (disp)
new_init_win_ext = ExtInitWinCreate();
#endif
EDisplayClose();
l = 0;
l +=
Esnprintf(s + l, sizeof(s) - l, "exec %s -s -f", Mode.wm.exec_name);
#ifdef HAVE_X11_SM_SMLIB_H
if (sm_client_id)
l += Esnprintf(s + l, sizeof(s) - l, " -smid %s", sm_client_id);
#endif
#ifdef USE_EXT_INIT_WIN
if (new_init_win_ext != None)
l += Esnprintf(s + l, sizeof(s) - l, " -ext_init_win %li",
new_init_win_ext);
#endif
if (ss)
l += Esnprintf(s + l, sizeof(s) - l, " -t %s", ss);
if (EventDebug(EDBUG_TYPE_SESSION))
Eprintf("doSMExit: %s\n", s);
execl(DEFAULT_SH_PATH, DEFAULT_SH_PATH, "-c", s, NULL);
break;
}
restarting = False;
SoundPlay("SOUND_EXIT");
EExit(0);
}
static void
SessionLogout(void)
{
#ifdef HAVE_X11_SM_SMLIB_H
if (sm_conn)
{
SmcRequestSaveYourself(sm_conn, SmSaveBoth, True, SmInteractStyleAny,
False, True);
}
else
#endif /* HAVE_X11_SM_SMLIB_H */
{
doSMExit(EEXIT_EXIT, NULL);
}
}
static void
LogoutCB(Dialog * d __UNUSED__, int val, void *data __UNUSED__)
{
#ifdef HAVE_X11_SM_SMLIB_H
if (sm_conn)
{
SessionLogout();
}
else
#endif /* HAVE_X11_SM_SMLIB_H */
{
/* 0:LogOut -: No -or- */
/* 0:Halt 1:Reboot 2:LogOut -:No */
switch (val)
{
case 0:
if (Conf.session.enable_reboot_halt)
SessionExit(EEXIT_EXEC, Conf.session.cmd_halt);
else
SessionExit(EEXIT_EXIT, NULL);
break;
case 1:
SessionExit(EEXIT_EXEC, Conf.session.cmd_reboot);
break;
case 2:
SessionExit(EEXIT_EXIT, NULL);
break;
}
}
}
static void
SessionLogoutConfirm(void)
{
Dialog *d;
EWin *ewin;
d = FindItem("LOGOUT_DIALOG", 0, LIST_FINDBY_NAME, LIST_TYPE_DIALOG);
if (!d)
{
SoundPlay("SOUND_LOGOUT");
d = DialogCreate("LOGOUT_DIALOG");
DialogSetTitle(d, _("Are you sure?"));
DialogSetText(d, _("\n\n"
" Are you sure you wish to log out ? \n"
"\n\n"));
if (Conf.session.enable_reboot_halt)
{
DialogAddButton(d, _(" Yes, Shut Down "), LogoutCB, 1,
DIALOG_BUTTON_OK);
DialogAddButton(d, _(" Yes, Reboot "), LogoutCB, 1,
DIALOG_BUTTON_OK);
}
DialogAddButton(d, _(" Yes, Log Out "), LogoutCB, 1,
DIALOG_BUTTON_OK);
DialogAddButton(d, _(" No "), NULL, 1, DIALOG_BUTTON_CANCEL);
DialogBindKey(d, "Escape", DialogCallbackClose, 1);
DialogBindKey(d, "Return", LogoutCB, 0);
}
ShowDialog(d);
ewin = FindEwinByDialog(d);
if (ewin)
ArrangeEwinCentered(ewin, 1);
return;
}
void
SessionExit(int mode, const char *param)
{
if (mode == EEXIT_LOGOUT)
{
if (Conf.session.enable_logout_dialog)
SessionLogoutConfirm();
else
SessionLogout();
return;
}
if (Mode.wm.exiting++)
{
/* This may be possible during nested signal handling */
Eprintf("SessionExit already in progress ... now exiting\n");
exit(1);
}
doSMExit(mode, param);
}