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/*
* Copyright (C) 1999 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 <unistd.h>
#include <sys/time.h>
#ifdef _LIBC
#include <stdint.h>
#define gettimeofday __gettimeofday
#define set_errno(e) __set_errno(e)
typedef uint64_t big_type;
#else
#define set_errno(e) errno = (e)
typedef unsigned long big_type;
#endif
/* Generate a unique temporary file name from TEMPLATE.
* The last six characters of TEMPLATE must be "XXXXXX";
* they are replaced with a string that makes the filename unique.
* Returns a file descriptor open on the file for reading and writing. */
int
Emkstemp(char *template)
{
static const char letters[]
= "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
static big_type value;
struct timeval tv;
char *XXXXXX;
size_t len;
int count;
len = strlen(template);
if ((len < 6) || (strcmp(&template[len - 6], "XXXXXX")))
{
set_errno(EINVAL);
return -1;
}
/* This is where the Xs start. */
XXXXXX = &template[len - 6];
/* Get some more or less random data. */
gettimeofday(&tv, NULL);
value += ((big_type) tv.tv_usec << 16) ^ tv.tv_sec ^ getpid();
for (count = 0; count < TMP_MAX; ++count)
{
big_type v = value;
int fd;
/* Fill in the random bits. */
XXXXXX[0] = letters[v % 62];
v /= 62;
XXXXXX[1] = letters[v % 62];
v /= 62;
XXXXXX[2] = letters[v % 62];
v /= 62;
XXXXXX[3] = letters[v % 62];
v /= 62;
XXXXXX[4] = letters[v % 62];
v /= 62;
XXXXXX[5] = letters[v % 62];
fd = open(template, O_RDWR | O_CREAT | O_EXCL, 0600);
if (fd >= 0)
/* The file does not exist. */
return fd;
/* This is a random value. It is only necessary that the next
* TMP_MAX values generated by adding 7777 to VALUE are different
* with (module 2^32). */
value += 7777;
}
/* We return the null string if we can't find a unique file name. */
template[0] = '\0';
return -1;
}
/*
* This code renames the E session save files so that they all bunch together.
* This makes it easier to identify them and clean them up.
* The user control config is called "~/.enlightenment/...e_session-XXXXXX"
* The client data appends ".clients.SCREEN" onto this filename and the
* snapshot data appends ".snapshots.SCREEN".
* Each SM requested save replaces the XXXXXXs with random characters to
* create a unique name (this is necessary because, for all that we know, the
* SM might want to keep the earlier save files). The SM discards old copies.
*/
static char *
default_save_prefix(void)
{
static char *def_prefix = NULL;
if (!def_prefix)
{
char s[1024];
Esnprintf(s, sizeof(s), "%s/...e_session-XXXXXX", UserEDir());
def_prefix = duplicate(s);
}
return def_prefix;
}
/* holders for command line options */
static char *sm_file = NULL;
static char *userthemepath;
/* 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, desktop, iconified, shaded, sticky,
layer;
}
Match;
Match *matches = NULL;
void
SetSMUserThemePath(char *path)
{
userthemepath = duplicate(path);
}
/* 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;
void
SetSMFile(char *path)
{
if (sm_file)
Efree(sm_file);
if (!path)
sm_file = duplicate(default_save_prefix());
else
sm_file = duplicate(path);
stale_sm_file = 0;
}
char *
GetSMFile(void)
{
return sm_file;
}
char *
GetGenericSMFile(void)
{
return default_save_prefix();
}
/* This code covers X11R6 and X11R5 clients (xterm, KDE, ...). */
static void
SaveWindowStates(void)
{
EWin **lst, *ewin;
int i, num, x, y;
FILE *f;
char s[4096], ss[4096];
lst = (EWin **) ListItemType(&num, LIST_TYPE_EWIN);
if (lst)
{
Etmp(s);
f = fopen(s, "w");
if (f)
{
for (i = 0; i < num; i++)
{
ewin = lst[i];
if ((!(ewin->internal)) &&
((ewin->client.command) || (ewin->session_id)))
{
x = 0;
y = 0;
if (!ewin->sticky)
{
x = desks.desk[ewin->desktop].current_area_x * root.w;
y = desks.desk[ewin->desktop].current_area_y * root.h;
}
fprintf(f, "[CLIENT] %i %i %i %i %i %i %i %i %i\n",
ewin->x + x, ewin->y + y,
ewin->client.w, ewin->client.h,
ewin->desktop, ewin->iconified, ewin->shaded,
ewin->sticky, ewin->layer);
if (ewin->session_id)
fprintf(f, " [SESSION_ID] %s\n", ewin->session_id);
if (ewin->client.name)
fprintf(f, " [NAME] %s\n", ewin->client.name);
if (ewin->client.class)
fprintf(f, " [CLASS] %s\n", ewin->client.class);
if (ewin->client.role)
fprintf(f, " [ROLE] %s\n", ewin->client.role);
if (ewin->client.command)
fprintf(f, " [COMMAND] %s\n", ewin->client.command);
}
}
fclose(f);
Esnprintf(ss, sizeof(ss), "%s.clients.%i", GetSMFile(), root.scr);
rm(ss);
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"
);
}
Efree(lst);
}
}
static void
LoadWindowStates(void)
{
FILE *f;
char s[4096], s1[4096];
Esnprintf(s, sizeof(s), "%s.clients.%i", GetSMFile(), root.scr);
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 = duplicate(atword(s, 2));
}
else if (!strcmp(s1, "[NAME]"))
{
matches[num_match - 1].name = duplicate(atword(s, 2));
}
else if (!strcmp(s1, "[CLASS]"))
{
matches[num_match - 1].class = duplicate(atword(s, 2));
}
else if (!strcmp(s1, "[ROLE]"))
{
matches[num_match - 1].role = duplicate(atword(s, 2));
/* Needed for matching X11R5 clients */
}
else if (!strcmp(s1, "[COMMAND]"))
{
matches[num_match - 1].command = duplicate(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;
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->client.command) && (matches[i].command) &&
strcmp(ewin->client.command, matches[i].command))
continue;
}
if ((ewin->client.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->client.role, matches[i].role))
continue;
}
else
{
/* The WM_CLASS is a stable basis for a test. */
if ((ewin->client.class) && (matches[i].class) &&
(strcmp(ewin->client.class, matches[i].class)))
continue;
if ((ewin->client.name) && (matches[i].name) &&
(strcmp(ewin->client.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. (: */
}
if (!ICCCM_GetEInfo(ewin))
{
matches[i].used = 1;
ewin->client.already_placed = 1;
ewin->iconified = matches[i].iconified;
ewin->sticky = matches[i].sticky;
ewin->shaded = matches[i].shaded;
ewin->layer = matches[i].layer;
if (!ewin->sticky)
ewin->desktop = matches[i].desktop;
/* if it's NOT (X11R6 and already placed by the client) */
if (!((ewin->client.already_placed) && (ewin->session_id)))
{
ewin->client.x = matches[i].x -
(desks.desk[ewin->desktop].current_area_x * root.w);
ewin->client.y = matches[i].y -
(desks.desk[ewin->desktop].current_area_y * root.h);
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);
}
}
break;
}
}
}
/* Used when X11R6 session management is not available. */
void
autosave(void)
{
if (mode.startup)
return;
if (mode.autosave)
{
char s[4096];
SaveSnapInfo();
Etmp(s);
SaveUserControlConfig(fopen(s, "w"));
rm(GetGenericSMFile());
mv(s, GetGenericSMFile());
if (!isfile(GetGenericSMFile()))
Alert("There was an error saving your autosave data - filing\n"
"system problems.\n"
);
/*
* if (strcmp(GetSMFile(), GetGenericSMFile()))
* {
* if (exists(GetGenericSMFile()))
* rm(GetGenericSMFile());
* symlink(GetSMFile(), GetGenericSMFile());
* }
*/
}
else
{
/* char buf[1024];
*
* * Esnprintf(buf, sizeof(buf) / sizeof(char), "rm %s*", GetSMFile());
* *
* * system(buf); */
rm(GetGenericSMFile());
}
}
#ifndef HAVE_SM
static void LogoutCB(int val, void *data);
void
SessionInit(void)
{
int i;
LoadWindowStates();
}
void
ProcessICEMSGS(void)
{
}
int
GetSMfd(void)
{
return -1;
}
void
SessionGetInfo(EWin * ewin, Atom atom_change)
{
}
void
SetSMID(char *smid)
{
}
void
SaveSession(int shutdown)
{
/* don't need */
/* autosave(); */
}
static void
LogoutCB(int val, void *data)
{
doSMExit(NULL);
val = 0;
data = NULL;
}
static void CB_SettingsEscape(int val, void *data);
static void
CB_SettingsEscape(int val, void *data)
{
DialogClose((Dialog *) data);
val = 0;
}
/* This is the original code from actions.c(doExit). */
void
doSMExit(void *params)
{
char s[1024];
char *real_exec;
char sss[FILEPATH_LEN_MAX];
Window w;
char master_flag, do_master_kill;
master_flag = (master_pid == getpid())? 1 : 0;
do_master_kill = 1;
if (!params)
SaveSession(1);
if ((disp) && ((!params) || ((params) && strcmp((char *)params, "logout"))))
SetEInfoOnAll();
/* kill off kde */
if (mode.kde_support)
KDE_Shutdown();
if (params)
{
SoundExit();
setsid();
sscanf(params, "%1000s", s);
if (mustdel)
{
Esnprintf(sss, sizeof(sss), "/bin/rm -rf %s", themepath);
system(sss);
}
if (!strcmp(s, "restart"))
{
AUDIO_PLAY("SOUND_WAIT");
if (sound_fd >= 0)
close(sound_fd);
w = MakeExtInitWin();
XCloseDisplay(disp);
disp = NULL;
if (themepath[0] != 0)
{
Esnprintf(sss, sizeof(sss),
"exec %s -single -ext_init_win %i -theme %s -display %s",
command, w, themename, dstr);
execl(DEFAULT_SH_PATH, DEFAULT_SH_PATH, "-c", sss, NULL);
}
else
{
Esnprintf(sss, sizeof(sss),
"exec %s -single -ext_init_win %i -display %s",
command, w, dstr);
execl(DEFAULT_SH_PATH, DEFAULT_SH_PATH, "-c", sss, NULL);
}
}
else if (!strcmp(s, "restart_theme"))
{
AUDIO_PLAY("SOUND_WAIT");
if (sound_fd >= 0)
close(sound_fd);
w = MakeExtInitWin();
XCloseDisplay(disp);
disp = NULL;
sscanf(params, "%*s %1000s", s);
Esnprintf(sss, sizeof(sss),
"exec %s -single -ext_init_win %i -theme %s -display %s",
command, w, s, dstr);
execl(DEFAULT_SH_PATH, DEFAULT_SH_PATH, "-c", sss, NULL);
}
else if (!strcmp(s, "restart_wm"))
{
AUDIO_PLAY("SOUND_EXIT");
if (sound_fd >= 0)
close(sound_fd);
XCloseDisplay(disp);
disp = NULL;
if (atword(params, 2))
strncpy(s, atword(params, 2), 1000);
real_exec = (char *)Emalloc(strlen(s) + 6);
sprintf(real_exec, "exec %s -display %s", s, dstr);
execl(DEFAULT_SH_PATH, DEFAULT_SH_PATH, "-c", "exec",
real_exec, NULL);
}
else if (!strcmp(s, "logout"))
{
Dialog *d;
EWin *ewin;
if (!(d = FindItem("LOGOUT_DIALOG", 0, LIST_FINDBY_NAME,
LIST_TYPE_DIALOG)))
{
AUDIO_PLAY("SOUND_LOGOUT");
d = CreateDialog("LOGOUT_DIALOG");
DialogSetTitle(d, "Are you sure?");
DialogSetText(d,
"\n"
"\n"
" Are you sure you wish to log out ? \n"
"\n"
"\n"
);
DialogAddButton(d, " Yes, Log Out ", LogoutCB, 1);
DialogAddButton(d, " No ", NULL, 1);
DialogBindKey(d, "Escape", CB_SettingsEscape, 0, d);
DialogBindKey(d, "Return", LogoutCB, 0, d);
}
ShowDialog(d);
ewin = FindEwinByDialog(d);
if (ewin)
{
MoveEwin(ewin, ((root.w - (ewin->w)) / 2), ((root.h - (ewin->h)) / 2));
FocusToEWin(ewin);
}
return;
}
}
AUDIO_PLAY("SOUND_EXIT");
EExit(0);
}
#else /* HAVE_SM */
#include <X11/SM/SMlib.h>
static char *sm_client_id = NULL;
static SmcConn sm_conn = NULL;
static int sm_fd = -1;
/* True if we are saving state for a doExit("restart") */
static int restarting = False;
static void LogoutCB(int val, void *data);
static void set_save_props(SmcConn smc_conn, int master_flag);
static void callback_save_yourself2(SmcConn smc_conn, SmPointer client_data);
static void callback_save_yourself(SmcConn smc_conn,
SmPointer client_data, int save_style,
Bool shutdown, int interact_style,
Bool fast);
static void callback_die(SmcConn smc_conn, SmPointer client_data);
static void callback_save_complete(SmcConn smc_conn,
SmPointer client_data);
static void callback_shutdown_cancelled(SmcConn smc_conn,
SmPointer client_data);
static void
set_save_props(SmcConn smc_conn, int master_flag)
{
char *user = NULL;
char *program = NULL;
char *pristr = "_GSM_Priority";
char *smid = "-smid";
char *single = "-single";
char *smfile = "-smfile";
char *extinitwin = "-ext_init_win";
char *sh = "sh";
char *c = "-c";
char buf[512];
char priority = 10;
char style;
int n = 0;
SmPropValue programVal =
{0, NULL};
SmPropValue userIDVal =
{0, NULL};
SmPropValue discardVal[] =
{
{0, NULL},
{0, NULL},
{0, NULL}};
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 discardProp;
SmProp restartProp;
SmProp cloneProp;
SmProp styleProp;
SmProp priorityProp;
SmProp *props[7];
programProp.name = (char *)SmProgram;
programProp.type = (char *)SmLISTofARRAY8;
programProp.num_vals = 1;
programProp.vals = &programVal;
userIDProp.name = (char *)SmUserID;
userIDProp.type = (char *)SmLISTofARRAY8;
userIDProp.num_vals = 1;
userIDProp.vals = &userIDVal;
discardProp.name = (char *)SmDiscardCommand;
discardProp.type = (char *)SmLISTofARRAY8;
discardProp.num_vals = 3;
discardProp.vals = (SmPropValue *) & discardVal;
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;
props[0] = &programProp;
props[1] = &userIDProp;
props[2] = &discardProp;
props[3] = &restartProp;
props[4] = &cloneProp;
props[5] = &styleProp;
props[6] = &priorityProp;
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());
/* The SM specs state that the SmProgram should be the argument passed
* to execve. Passing argv[0] is close enough. */
program = command;
userIDVal.length = strlen(user);
userIDVal.value = user;
programVal.length = strlen(program);
programVal.value = program;
styleVal.length = 1;
styleVal.value = &style;
priorityVal.length = 1;
priorityVal.value = &priority;
/* Tell session manager how to clean up our old data */
Esnprintf(buf, sizeof(buf) / sizeof(char), "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;
restartVal[n].length = strlen(command);
restartVal[n++].value = command;
if (single_screen_mode)
{
restartVal[n].length = strlen(single);
restartVal[n++].value = single;
}
if (restarting)
{
Esnprintf(buf, sizeof(buf) / sizeof(char), "%i", init_win_ext);
restartVal[n].length = strlen(extinitwin);
restartVal[n++].value = extinitwin;
restartVal[n].length = strlen(buf);
restartVal[n++].value = buf;
}
restartVal[n].length = strlen(smfile);
restartVal[n++].value = smfile;
restartVal[n].length = strlen(sm_file);
restartVal[n++].value = sm_file;
restartVal[n].length = strlen(smid);
restartVal[n++].value = 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;
SmcSetProperties(smc_conn, sizeof(props) / sizeof(props[0]), 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)
{
char master_flag = (master_pid == getpid());
/* dont need anymore */
/* autosave(); */
if (!master_flag)
{
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, master_flag);
SmcSaveYourselfDone(smc_conn, True);
if (restarting)
EExit(0);
client_data = NULL;
}
static void
callback_save_yourself(SmcConn smc_conn, SmPointer client_data,
int save_style, Bool shutdown, int interact_style,
Bool fast)
{
if (master_pid == getpid())
{
char s[4096];
/* int fd; */
Esnprintf(s, sizeof(s), "sm_file %s", default_save_prefix());
/* fd = Emkstemp(s + 8);
* if (fd < 0)
* {
* SmcSaveYourselfDone(smc_conn, False);
* return;
* }
* SetSMFile(s + 8); */
CommsBroadcastToSlaveWMs(GetGenericSMFile());
/* dont need */
/* autosave(); */
/*
* if (strcmp(GetSMFile(), GetGenericSMFile()))
* {
* if (exists(GetGenericSMFile()))
* rm(GetGenericSMFile());
* symlink(GetSMFile(), GetGenericSMFile());
* }
*/
}
SaveWindowStates();
SmcRequestSaveYourselfPhase2(smc_conn, callback_save_yourself2, NULL);
client_data = NULL;
save_style = 0;
shutdown = 0;
interact_style = 0;
fast = 0;
}
static void
callback_die(SmcConn smc_conn, SmPointer client_data)
{
if (master_pid == getpid())
ApplySclass(FindItem("SOUND_EXIT", 0,
LIST_FINDBY_NAME, LIST_TYPE_SCLASS));
EExit(0);
smc_conn = 0;
client_data = NULL;
}
static void
callback_save_complete(SmcConn smc_conn, SmPointer client_data)
{
smc_conn = 0;
client_data = NULL;
}
static void
callback_shutdown_cancelled(SmcConn smc_conn, SmPointer client_data)
{
SmcSaveYourselfDone(smc_conn, False);
client_data = NULL;
}
static Atom atom_sm_client_id;
static Atom atom_wm_client_leader;
static IceConn ice_conn;
static void
ice_io_error_handler(IceConn connection)
{
/* The less we do here the better - the default handler does an
* exit(1) instead of closing the losing connection. */
connection = 0;
}
void
SessionInit(void)
{
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 = duplicate(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 = SmRestartStyleHint;
styleProp.type = 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;
LoadWindowStates();
}
void
ProcessICEMSGS(void)
{
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;
}
}
int
GetSMfd(void)
{
return sm_fd;
}
void
SessionGetInfo(EWin * ewin, Atom atom_change)
{
char *s;
Window *w;
int size;
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;
w = AtomGet(ewin->client.win, atom_wm_client_leader, XA_WINDOW, &size);
if (w)
{
s = AtomGet(*w, atom_sm_client_id, XA_STRING, &size);
if (s)
{
ewin->session_id = Emalloc(size + 1);
memcpy(ewin->session_id, s, size);
ewin->session_id[size] = 0;
Efree(w);
Efree(s);
return;
}
Efree(w);
}
}
void
SetSMID(char *smid)
{
sm_client_id = smid;
}
static void
LogoutCB(int val, void *data)
{
if (sm_conn)
{
SmcRequestSaveYourself(sm_conn, SmSaveBoth, True,
SmInteractStyleAny, False, True);
}
else
{
doSMExit(NULL);
}
val = 0;
data = NULL;
}
void
SaveSession(int shutdown)
{
/* dont' need anymore */
/* ayosave(); */
if (shutdown && sm_conn)
{
SmcCloseConnection(sm_conn, 0, NULL);
sm_conn = NULL;
sm_fd = -1;
}
}
static void CB_SettingsEscape(int val, void *data);
static void
CB_SettingsEscape(int val, void *data)
{
DialogClose((Dialog *) data);
val = 0;
}
/*
* 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.
*/
void
doSMExit(void *params)
{
char s[1024];
char master_flag, do_master_kill;
master_flag = (master_pid == getpid())? 1 : 0;
do_master_kill = 1;
/* kill off kde */
if (mode.kde_support)
KDE_Shutdown();
restarting = True;
s[0] = 0;
if (params)
sscanf(params, "%1000s", s);
if (!params)
SaveSession(1);
if ((disp) && ((!params) || ((params) && strcmp((char *)params, "logout"))))
SetEInfoOnAll();
if ((!params) || (!strcmp((char *)s, "exit")))
{
callback_die(sm_conn, NULL);
}
else if (!strcmp(s, "logout"))
{
Dialog *d;
EWin *ewin;
if (!(d = FindItem("LOGOUT_DIALOG", 0, LIST_FINDBY_NAME,
LIST_TYPE_DIALOG)))
{
d = CreateDialog("LOGOUT_DIALOG");
DialogSetTitle(d, "Are you sure?");
DialogSetText(d,
"\n"
"\n"
" Are you sure you wish to log out ? \n"
"\n"
"\n"
);
DialogAddButton(d, " Yes, Log Out ", LogoutCB, 1);
DialogAddButton(d, " No ", NULL, 1);
DialogBindKey(d, "Escape", CB_SettingsEscape, 1, d);
DialogBindKey(d, "Return", LogoutCB, 0, d);
}
ShowDialog(d);
ewin = FindEwinByDialog(d);
if (ewin)
{
MoveEwin(ewin, ((root.w - (ewin->w)) / 2), ((root.h - (ewin->h)) / 2));
FocusToEWin(ewin);
}
return;
}
else if (!strcmp(s, "restart_wm"))
{
AUDIO_PLAY("SOUND_WAIT");
XCloseDisplay(disp);
disp = NULL;
Esnprintf(s, sizeof(s), "exec %s -display %s",
atword(params, 2), dstr);
execl(DEFAULT_SH_PATH, DEFAULT_SH_PATH, "-c", s, NULL);
}
else if (!strcmp(s, "restart"))
{
AUDIO_PLAY("SOUND_WAIT");
if (disp)
init_win_ext = MakeExtInitWin();
if (disp)
{
XCloseDisplay(disp);
disp = NULL;
}
if (themepath[0] != 0)
{
if (sm_client_id)
Esnprintf(s, sizeof(s),
"exec %s -single -ext_init_win %i -theme %s "
"-smfile %s -smid %s -display %s",
command, init_win_ext, themename,
sm_file, sm_client_id, dstr);
else
Esnprintf(s, sizeof(s),
"exec %s -single -ext_init_win %i -theme %s "
"-smfile %s -display %s",
command, init_win_ext, themename,
sm_file, dstr);
execl(DEFAULT_SH_PATH, DEFAULT_SH_PATH, "-c", s, NULL);
}
else
{
if (sm_client_id)
Esnprintf(s, sizeof(s),
"exec %s -single -ext_init_win %i "
"-smfile %s -smid %s -display %s",
command, init_win_ext,
sm_file, sm_client_id, dstr);
else
Esnprintf(s, sizeof(s),
"exec %s -single -ext_init_win %i"
"-smfile %s -display %s",
command, init_win_ext,
sm_file, dstr);
execl(DEFAULT_SH_PATH, DEFAULT_SH_PATH, "-c", s, NULL);
}
}
else if (!strcmp((char *)s, "restart_theme"))
{
AUDIO_PLAY("SOUND_WAIT");
init_win_ext = MakeExtInitWin();
if (atword(params, 1) && strlen((char *)params) < 1024)
{
sscanf(params, "%*s %1000s", s);
SetSMUserThemePath(s);
}
if (disp)
{
XCloseDisplay(disp);
disp = NULL;
}
if (sm_client_id)
Esnprintf(s, sizeof(s),
"exec %s -single -ext_init_win %i -theme %s "
"-smfile %s -smid %s -display %s",
command, init_win_ext, userthemepath,
sm_file, sm_client_id, dstr);
else
Esnprintf(s, sizeof(s),
"exec %s -ext_init_win %i -theme %s "
"-smfile %s -single -display %s",
command, init_win_ext, userthemepath,
sm_file, dstr);
execl(DEFAULT_SH_PATH, DEFAULT_SH_PATH, "-c", s, NULL);
}
else if (!strcmp((char *)s, "error"))
EExit(0);
restarting = False;
SaveSession(1);
AUDIO_PLAY("SOUND_EXIT");
EExit(0);
}
#endif /* HAVE_SM */
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