/* IBM_PROLOG_BEGIN_TAG */ /* This is an automatically generated prolog. */ /* */ /* gos720 src/gos/2d/XTOP/programs/twm/session.c 1.2 */ /* */ /* Licensed Materials - Property of IBM */ /* */ /* COPYRIGHT International Business Machines Corp. 1996,2004 */ /* All Rights Reserved */ /* */ /* US Government Users Restricted Rights - Use, duplication or */ /* disclosure restricted by GSA ADP Schedule Contract with IBM Corp. */ /* */ /* IBM_PROLOG_END_TAG */ /* SCCSID_BEGIN_TAG */ #ifndef lint static char sccsid[] = "@(#)09 1.2 src/gos/2d/XTOP/programs/twm/session.c, xsample, gos720 3/23/04 14:03:27"; #endif /* SCCSID_END_TAG */ /* $XConsortium: session.c,v 1.19 95/04/07 19:22:37 kaleb Exp $ */ /****************************************************************************** Copyright (c) 1994 X Consortium 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 or substantial portions of the Software. 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 X CONSORTIUM 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. Except as contained in this notice, the name of the X Consortium shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from the X Consortium. Author: Ralph Mor, X Consortium ******************************************************************************/ #include #ifndef X_NOT_POSIX #ifdef _POSIX_SOURCE #include #else #define _POSIX_SOURCE #include #undef _POSIX_SOURCE #endif #endif /* X_NOT_POSIX */ #ifndef PATH_MAX #include #ifndef PATH_MAX #ifdef MAXPATHLEN #define PATH_MAX MAXPATHLEN #else #define PATH_MAX 1024 #endif #endif #endif /* PATH_MAX */ #include #include #include #include #include "twm.h" #include "screen.h" SmcConn smcConn = NULL; XtInputId iceInputId; char *twm_clientId; TWMWinConfigEntry *winConfigHead = NULL; Bool gotFirstSave = 0; Bool sent_save_done = 0; #define SAVEFILE_VERSION 2 char * GetClientID (window) Window window; { char *client_id = NULL; Window client_leader; XTextProperty tp; Atom actual_type; int actual_format; unsigned long nitems; unsigned long nbytes; unsigned long bytes_after; unsigned char *prop = NULL; if (XGetWindowProperty (dpy, window, _XA_WM_CLIENT_LEADER, 0L, 1L, False, AnyPropertyType, &actual_type, &actual_format, &nitems, &bytes_after, &prop) == Success) { if (actual_type == XA_WINDOW && actual_format == 32 && nitems == 1 && bytes_after == 0) { client_leader = *((Window *) prop); if (XGetTextProperty (dpy, client_leader, &tp, _XA_SM_CLIENT_ID)) { if (tp.encoding == XA_STRING && tp.format == 8 && tp.nitems != 0) client_id = (char *) tp.value; } } if (prop) XFree (prop); } return client_id; } char * GetWindowRole (window) Window window; { XTextProperty tp; if (XGetTextProperty (dpy, window, &tp, _XA_WM_WINDOW_ROLE)) { if (tp.encoding == XA_STRING && tp.format == 8 && tp.nitems != 0) return ((char *) tp.value); } return NULL; } int write_byte (file, b) FILE *file; unsigned char b; { if (fwrite ((char *) &b, 1, 1, file) != 1) return 0; return 1; } int write_ushort (file, s) FILE *file; unsigned short s; { unsigned char file_short[2]; file_short[0] = (s & (unsigned)0xff00) >> 8; file_short[1] = s & 0xff; if (fwrite ((char *) file_short, (int) sizeof (file_short), 1, file) != 1) return 0; return 1; } int write_short (file, s) FILE *file; short s; { unsigned char file_short[2]; file_short[0] = (s & (unsigned)0xff00) >> 8; file_short[1] = s & 0xff; if (fwrite ((char *) file_short, (int) sizeof (file_short), 1, file) != 1) return 0; return 1; } int write_counted_string (file, string) FILE *file; char *string; { if (string) { unsigned char count = strlen (string); if (write_byte (file, count) == 0) return 0; if (fwrite (string, (int) sizeof (char), (int) count, file) != count) return 0; } else { if (write_byte (file, 0) == 0) return 0; } return 1; } int read_byte (file, bp) FILE *file; unsigned char *bp; { if (fread ((char *) bp, 1, 1, file) != 1) return 0; return 1; } int read_ushort (file, shortp) FILE *file; unsigned short *shortp; { unsigned char file_short[2]; if (fread ((char *) file_short, (int) sizeof (file_short), 1, file) != 1) return 0; *shortp = file_short[0] * 256 + file_short[1]; return 1; } int read_short (file, shortp) FILE *file; short *shortp; { unsigned char file_short[2]; if (fread ((char *) file_short, (int) sizeof (file_short), 1, file) != 1) return 0; *shortp = file_short[0] * 256 + file_short[1]; return 1; } int read_counted_string (file, stringp) FILE *file; char **stringp; { unsigned char len; char *data; if (read_byte (file, &len) == 0) return 0; if (len == 0) { data = 0; } else { data = malloc ((unsigned) len + 1); if (!data) return 0; if (fread (data, (int) sizeof (char), (int) len, file) != len) { free (data); return 0; } data[len] = '\0'; } *stringp = data; return 1; } /* * An entry in the saved window config file looks like this: * * FIELD BYTES * ----- ---- * SM_CLIENT_ID ID len 1 (may be 0) * SM_CLIENT_ID LIST of bytes (may be NULL) * * WM_WINDOW_ROLE length 1 (may be 0) * WM_WINDOW_ROLE LIST of bytes (may be NULL) * * if no WM_WINDOW_ROLE (length = 0) * * WM_CLASS "res name" length 1 * WM_CLASS "res name" LIST of bytes * WM_CLASS "res class" length 1 * WM_CLASS "res class" LIST of bytes * WM_NAME length 1 (0 if name changed) * WM_NAME LIST of bytes * WM_COMMAND arg count 1 (0 if no SM_CLIENT_ID) * For each arg in WM_COMMAND * arg length 1 * arg LIST of bytes * * Iconified bool 1 * Icon info present bool 1 * * if icon info present * icon x 2 * icon y 2 * * Geom x 2 * Geom y 2 * Geom width 2 * Geom height 2 * * Width ever changed by user 1 * Height ever changed by user 1 */ int WriteWinConfigEntry (configFile, theWindow, clientId, windowRole) FILE *configFile; TwmWindow *theWindow; char *clientId; char *windowRole; { char **wm_command; int wm_command_count, i; if (!write_counted_string (configFile, clientId)) return 0; if (!write_counted_string (configFile, windowRole)) return 0; if (!windowRole) { if (!write_counted_string (configFile, theWindow->class.res_name)) return 0; if (!write_counted_string (configFile, theWindow->class.res_class)) return 0; if (theWindow->nameChanged) { /* * If WM_NAME changed on this window, we can't use it as * a criteria for looking up window configurations. See the * longer explanation in the GetWindowConfig() function below. */ if (!write_counted_string (configFile, NULL)) return 0; } else { if (!write_counted_string (configFile, theWindow->name)) return 0; } wm_command = NULL; wm_command_count = 0; XGetCommand (dpy, theWindow->w, &wm_command, &wm_command_count); if (clientId || !wm_command || wm_command_count == 0) { if (!write_byte (configFile, 0)) return 0; } else { if (!write_byte (configFile, (char) wm_command_count)) return 0; for (i = 0; i < wm_command_count; i++) if (!write_counted_string (configFile, wm_command[i])) return 0; XFreeStringList (wm_command); } } if (!write_byte (configFile, theWindow->icon ? 1 : 0)) /* iconified */ return 0; if (!write_byte (configFile, theWindow->icon_w ? 1 : 0)) /* icon exists */ return 0; if (theWindow->icon_w) { int icon_x, icon_y; XGetGeometry (dpy, theWindow->icon_w, &JunkRoot, &icon_x, &icon_y, &JunkWidth, &JunkHeight, &JunkBW, &JunkDepth); if (!write_short (configFile, (short) icon_x)) return 0; if (!write_short (configFile, (short) icon_y)) return 0; } if (!write_short (configFile, (short) theWindow->frame_x)) return 0; if (!write_short (configFile, (short) theWindow->frame_y)) return 0; if (!write_ushort (configFile, (unsigned short) theWindow->attr.width)) return 0; if (!write_ushort (configFile, (unsigned short) theWindow->attr.height)) return 0; if (!write_byte (configFile, theWindow->widthEverChangedByUser ? 1 : 0)) return 0; if (!write_byte (configFile, theWindow->heightEverChangedByUser ? 1 : 0)) return 0; return 1; } int ReadWinConfigEntry (configFile, version, pentry) FILE *configFile; unsigned short version; TWMWinConfigEntry **pentry; { TWMWinConfigEntry *entry; unsigned char byte; int i; *pentry = entry = (TWMWinConfigEntry *) malloc ( sizeof (TWMWinConfigEntry)); if (!*pentry) return 0; entry->tag = 0; entry->client_id = NULL; entry->window_role = NULL; entry->class.res_name = NULL; entry->class.res_class = NULL; entry->wm_name = NULL; entry->wm_command = NULL; entry->wm_command_count = 0; if (!read_counted_string (configFile, &entry->client_id)) goto give_up; if (!read_counted_string (configFile, &entry->window_role)) goto give_up; if (!entry->window_role) { if (!read_counted_string (configFile, &entry->class.res_name)) goto give_up; if (!read_counted_string (configFile, &entry->class.res_class)) goto give_up; if (!read_counted_string (configFile, &entry->wm_name)) goto give_up; if (!read_byte (configFile, &byte)) goto give_up; entry->wm_command_count = byte; if (entry->wm_command_count == 0) entry->wm_command = NULL; else { entry->wm_command = (char **) malloc (entry->wm_command_count * sizeof (char *)); if (!entry->wm_command) goto give_up; for (i = 0; i < entry->wm_command_count; i++) if (!read_counted_string (configFile, &entry->wm_command[i])) goto give_up; } } if (!read_byte (configFile, &byte)) goto give_up; entry->iconified = byte; if (!read_byte (configFile, &byte)) goto give_up; entry->icon_info_present = byte; if (entry->icon_info_present) { if (!read_short (configFile, (short *) &entry->icon_x)) goto give_up; if (!read_short (configFile, (short *) &entry->icon_y)) goto give_up; } if (!read_short (configFile, (short *) &entry->x)) goto give_up; if (!read_short (configFile, (short *) &entry->y)) goto give_up; if (!read_ushort (configFile, &entry->width)) goto give_up; if (!read_ushort (configFile, &entry->height)) goto give_up; if (version > 1) { if (!read_byte (configFile, &byte)) goto give_up; entry->width_ever_changed_by_user = byte; if (!read_byte (configFile, &byte)) goto give_up; entry->height_ever_changed_by_user = byte; } else { entry->width_ever_changed_by_user = False; entry->height_ever_changed_by_user = False; } return 1; give_up: if (entry->client_id) free (entry->client_id); if (entry->window_role) free (entry->window_role); if (entry->class.res_name) free (entry->class.res_name); if (entry->class.res_class) free (entry->class.res_class); if (entry->wm_name) free (entry->wm_name); if (entry->wm_command_count) { for (i = 0; i < entry->wm_command_count; i++) if (entry->wm_command[i]) free (entry->wm_command[i]); } if (entry->wm_command) free ((char *) entry->wm_command); free ((char *) entry); *pentry = NULL; return 0; } void ReadWinConfigFile (filename) char *filename; { FILE *configFile; TWMWinConfigEntry *entry; int done = 0; unsigned short version; configFile = fopen (filename, "rb"); if (!configFile) return; if (!read_ushort (configFile, &version) || version > SAVEFILE_VERSION) { done = 1; } while (!done) { if (ReadWinConfigEntry (configFile, version, &entry)) { entry->next = winConfigHead; winConfigHead = entry; } else done = 1; } fclose (configFile); } int GetWindowConfig (theWindow, x, y, width, height, iconified, icon_info_present, icon_x, icon_y, width_ever_changed_by_user, height_ever_changed_by_user) TwmWindow *theWindow; short *x, *y; unsigned short *width, *height; Bool *iconified; Bool *icon_info_present; short *icon_x, *icon_y; Bool *width_ever_changed_by_user; Bool *height_ever_changed_by_user; { char *clientId, *windowRole; TWMWinConfigEntry *ptr; int found = 0; ptr = winConfigHead; if (!ptr) return 0; clientId = GetClientID (theWindow->w); windowRole = GetWindowRole (theWindow->w); while (ptr && !found) { int client_id_match = (!clientId && !ptr->client_id) || (clientId && ptr->client_id && strcmp (clientId, ptr->client_id) == 0); if (!ptr->tag && client_id_match) { if (windowRole || ptr->window_role) { found = (windowRole && ptr->window_role && strcmp (windowRole, ptr->window_role) == 0); } else { /* * Compare WM_CLASS + only compare WM_NAME if the * WM_NAME in the saved file is non-NULL. If the * WM_NAME in the saved file is NULL, this means that * the client changed the value of WM_NAME during the * session, and we can not use it as a criteria for * our search. For example, with xmh, at save time * the window name might be "xmh: folderY". However, * if xmh does not properly restore state when it is * restarted, the initial window name might be * "xmh: folderX". This would cause the window manager * to fail in finding the saved window configuration. * The best we can do is ignore WM_NAME if its value * changed in the previous session. */ if (strcmp (theWindow->class.res_name, ptr->class.res_name) == 0 && strcmp (theWindow->class.res_class, ptr->class.res_class) == 0 && (ptr->wm_name == NULL || strcmp (theWindow->name, ptr->wm_name) == 0)) { if (clientId) { /* * If a client ID was present, we should not check * WM_COMMAND because Xt will put a -xtsessionID arg * on the command line. */ found = 1; } else { /* * For non-XSMP clients, also check WM_COMMAND. */ char **wm_command = NULL; int wm_command_count = 0, i; XGetCommand (dpy, theWindow->w, &wm_command, &wm_command_count); if (wm_command_count == ptr->wm_command_count) { for (i = 0; i < wm_command_count; i++) if (strcmp (wm_command[i], ptr->wm_command[i]) != 0) break; if (i == wm_command_count) found = 1; } } } } } if (!found) ptr = ptr->next; } if (found) { *x = ptr->x; *y = ptr->y; *width = ptr->width; *height = ptr->height; *iconified = ptr->iconified; *icon_info_present = ptr->icon_info_present; *width_ever_changed_by_user = ptr->width_ever_changed_by_user; *height_ever_changed_by_user = ptr->height_ever_changed_by_user; if (*icon_info_present) { *icon_x = ptr->icon_x; *icon_y = ptr->icon_y; } ptr->tag = 1; } else *iconified = 0; if (clientId) XFree (clientId); if (windowRole) XFree (windowRole); return found; } static char * unique_filename (path, prefix) char *path; char *prefix; { #ifndef X_NOT_POSIX return ((char *) tempnam (path, prefix)); #else char tempFile[PATH_MAX]; char *tmp; sprintf (tempFile, "%s/%sXXXXXX", path, prefix); tmp = (char *) mktemp (tempFile); if (tmp) { char *ptr = (char *) malloc (strlen (tmp) + 1); strcpy (ptr, tmp); return (ptr); } else return (NULL); #endif } void SaveYourselfPhase2CB (smcConn, clientData) SmcConn smcConn; SmPointer clientData; { int scrnum; ScreenInfo *theScreen; TwmWindow *theWindow; char *clientId, *windowRole; FILE *configFile = NULL; char *path; char *filename = NULL; Bool success = False; SmProp prop1, prop2, prop3, *props[3]; SmPropValue prop1val, prop2val, prop3val; char discardCommand[PATH_MAX+4]; int numVals, i; char yes = 1; static int first_time = 1; if (first_time) { char userId[20]; char hint = SmRestartIfRunning; prop1.name = SmProgram; prop1.type = SmARRAY8; prop1.num_vals = 1; prop1.vals = &prop1val; prop1val.value = Argv[0]; prop1val.length = strlen (Argv[0]); sprintf (userId, "%d", getuid()); prop2.name = SmUserID; prop2.type = SmARRAY8; prop2.num_vals = 1; prop2.vals = &prop2val; prop2val.value = (SmPointer) userId; prop2val.length = strlen (userId); prop3.name = SmRestartStyleHint; prop3.type = SmCARD8; prop3.num_vals = 1; prop3.vals = &prop3val; prop3val.value = (SmPointer) &hint; prop3val.length = 1; props[0] = &prop1; props[1] = &prop2; props[2] = &prop3; SmcSetProperties (smcConn, 3, props); first_time = 0; } path = getenv ("SM_SAVE_DIR"); if (!path) { path = getenv ("HOME"); if (!path) path = "."; } if ((filename = unique_filename (path, ".twm")) == NULL) goto bad; if (!(configFile = fopen (filename, "wb"))) goto bad; if (!write_ushort (configFile, SAVEFILE_VERSION)) goto bad; success = True; for (scrnum = 0; scrnum < NumScreens && success; scrnum++) { if (ScreenList[scrnum] != NULL) { theScreen = ScreenList[scrnum]; theWindow = theScreen->TwmRoot.next; while (theWindow && success) { clientId = GetClientID (theWindow->w); windowRole = GetWindowRole (theWindow->w); if (!WriteWinConfigEntry (configFile, theWindow, clientId, windowRole)) success = False; if (clientId) XFree (clientId); if (windowRole) XFree (windowRole); theWindow = theWindow->next; } } } prop1.name = SmRestartCommand; prop1.type = SmLISTofARRAY8; prop1.vals = (SmPropValue *) malloc ( (Argc + 4) * sizeof (SmPropValue)); if (!prop1.vals) { success = False; goto bad; } numVals = 0; for (i = 0; i < Argc; i++) { if (strcmp (Argv[i], "-clientId") == 0 || strcmp (Argv[i], "-restore") == 0) { i++; } else { prop1.vals[numVals].value = (SmPointer) Argv[i]; prop1.vals[numVals++].length = strlen (Argv[i]); } } prop1.vals[numVals].value = (SmPointer) "-clientId"; prop1.vals[numVals++].length = 9; prop1.vals[numVals].value = (SmPointer) twm_clientId; prop1.vals[numVals++].length = strlen (twm_clientId); prop1.vals[numVals].value = (SmPointer) "-restore"; prop1.vals[numVals++].length = 8; prop1.vals[numVals].value = (SmPointer) filename; prop1.vals[numVals++].length = strlen (filename); prop1.num_vals = numVals; sprintf (discardCommand, "rm %s", filename); prop2.name = SmDiscardCommand; prop2.type = SmARRAY8; prop2.num_vals = 1; prop2.vals = &prop2val; prop2val.value = (SmPointer) discardCommand; prop2val.length = strlen (discardCommand); props[0] = &prop1; props[1] = &prop2; SmcSetProperties (smcConn, 2, props); free ((char *) prop1.vals); bad: SmcSaveYourselfDone (smcConn, success); sent_save_done = 1; if (configFile) fclose (configFile); if (filename) free (filename); } void SaveYourselfCB (smcConn, clientData, saveType, shutdown, interactStyle, fast) SmcConn smcConn; SmPointer clientData; int saveType; Bool shutdown; int interactStyle; Bool fast; { if (!SmcRequestSaveYourselfPhase2 (smcConn, SaveYourselfPhase2CB, NULL)) { SmcSaveYourselfDone (smcConn, False); sent_save_done = 1; } else sent_save_done = 0; } void DieCB (smcConn, clientData) SmcConn smcConn; SmPointer clientData; { SmcCloseConnection (smcConn, 0, NULL); XtRemoveInput (iceInputId); Done(); } void SaveCompleteCB (smcConn, clientData) SmcConn smcConn; SmPointer clientData; { ; } void ShutdownCancelledCB (smcConn, clientData) SmcConn smcConn; SmPointer clientData; { if (!sent_save_done) { SmcSaveYourselfDone (smcConn, False); sent_save_done = 1; } } void ProcessIceMsgProc (client_data, source, id) XtPointer client_data; int *source; XtInputId *id; { IceConn ice_conn = (IceConn) client_data; IceProcessMessages (ice_conn, NULL, NULL); } void ConnectToSessionManager (previous_id) char *previous_id; { char errorMsg[256]; unsigned long mask; SmcCallbacks callbacks; IceConn iceConn; mask = SmcSaveYourselfProcMask | SmcDieProcMask | SmcSaveCompleteProcMask | SmcShutdownCancelledProcMask; callbacks.save_yourself.callback = SaveYourselfCB; callbacks.save_yourself.client_data = (SmPointer) NULL; callbacks.die.callback = DieCB; callbacks.die.client_data = (SmPointer) NULL; callbacks.save_complete.callback = SaveCompleteCB; callbacks.save_complete.client_data = (SmPointer) NULL; callbacks.shutdown_cancelled.callback = ShutdownCancelledCB; callbacks.shutdown_cancelled.client_data = (SmPointer) NULL; smcConn = SmcOpenConnection ( NULL, /* use SESSION_MANAGER env */ (SmPointer) appContext, SmProtoMajor, SmProtoMinor, mask, &callbacks, previous_id, &twm_clientId, 256, errorMsg); if (smcConn == NULL) return; iceConn = SmcGetIceConnection (smcConn); iceInputId = XtAppAddInput ( appContext, IceConnectionNumber (iceConn), (XtPointer) XtInputReadMask, ProcessIceMsgProc, (XtPointer) iceConn); }