/* $Xorg: choose.c,v 1.4 2001/02/09 02:05:59 xorgcvs Exp $ */ /****************************************************************************** Copyright 1993, 1998 The Open Group Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. 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 OPEN GROUP 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 Open Group 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 Open Group. ******************************************************************************/ /* $XFree86: xc/programs/xsm/choose.c,v 1.6tsi Exp $ */ #include "xsm.h" #include "saveutil.h" #include "lock.h" #include "choose.h" #include #include #include #include #include #ifndef X_NOT_POSIX #include #else #ifdef SYSV #include #else #include #ifndef dirent #define dirent direct #endif #endif #endif static Pixel save_message_foreground; static Pixel save_message_background; static int delete_session_phase = 0; static int break_lock_phase = 0; static Widget chooseSessionPopup; static Widget chooseSessionForm; static Widget chooseSessionLabel; static Widget chooseSessionListWidget; static Widget chooseSessionMessageLabel; static Widget chooseSessionLoadButton; static Widget chooseSessionDeleteButton; static Widget chooseSessionBreakLockButton; static Widget chooseSessionFailSafeButton; static Widget chooseSessionCancelButton; int GetSessionNames(int *count_ret, String **short_names_ret, String **long_names_ret, Bool **locked_ret) { DIR *dir; struct dirent *entry; const char *path; int count; path = getenv ("SM_SAVE_DIR"); if (!path) { path = getenv ("HOME"); if (!path) path = "."; } *count_ret = 0; *short_names_ret = NULL; *locked_ret = NULL; if (long_names_ret) *long_names_ret = NULL; if ((dir = opendir (path)) == NULL) return 0; fcntl(dirfd(dir), F_SETFD, FD_CLOEXEC); count = 0; while ((entry = readdir (dir)) != NULL) { if (strncmp (entry->d_name, ".XSM-", 5) == 0) count++; } if (count == 0 || ((*short_names_ret = (String *) XtMalloc ( count * sizeof (String))) == NULL) || (long_names_ret && (*long_names_ret = (String *) XtMalloc (count * sizeof (String))) == NULL) || ((*locked_ret = (Bool *) XtMalloc (count * sizeof (Bool))) == NULL)) { closedir (dir); if (*short_names_ret) XtFree ((char *) *short_names_ret); if (long_names_ret && *long_names_ret) XtFree ((char *) *long_names_ret); return 0; } rewinddir (dir); while ((entry = readdir (dir)) != NULL && *count_ret < count) { if (strncmp (entry->d_name, ".XSM-", 5) == 0) { char *name = (char *) entry->d_name + 5; char *id = NULL; Bool locked = CheckSessionLocked (name, long_names_ret!=NULL, &id); (*short_names_ret)[*count_ret] = XtNewString (name); (*locked_ret)[*count_ret] = locked; if (long_names_ret) { if (!locked) { (*long_names_ret)[*count_ret] = (*short_names_ret)[*count_ret]; } else { char *host = ((char *) strchr (id, '/')) + 1; char *colon = (char *) strrchr (host, ':'); char *lockmsg; /* backtrack over previous colon if there are 2 (DECnet), but not three (IPv6) */ if ((*(colon - 1) == ':') && (*(colon - 2) != ':')) colon--; *colon = '\0'; XtAsprintf (&lockmsg, "%s (locked at %s)", name, host); (*long_names_ret)[*count_ret] = lockmsg; *colon = ':'; XtFree (id); } } (*count_ret)++; } } closedir (dir); return 1; } void FreeSessionNames(int count, String *namesShort, String *namesLong, Bool *lockFlags) { int i; for (i = 0; i < count; i++) XtFree ((char *) namesShort[i]); XtFree ((char *) namesShort); if (namesLong) { for (i = 0; i < count; i++) if (lockFlags[i]) XtFree ((char *) namesLong[i]); XtFree ((char *) namesLong); } XtFree ((char *) lockFlags); } static void SessionSelected(int number, Bool highlight) { if (number >= 0) { Bool locked = sessionsLocked[number]; if (highlight) XawListHighlight (chooseSessionListWidget, number); XtSetSensitive (chooseSessionLoadButton, !locked); XtSetSensitive (chooseSessionDeleteButton, !locked); XtSetSensitive (chooseSessionBreakLockButton, locked); } else { XtSetSensitive (chooseSessionLoadButton, False); XtSetSensitive (chooseSessionDeleteButton, False); XtSetSensitive (chooseSessionBreakLockButton, False); } } static void AddSessionNames(int count, String *names) { int i; XawListChange (chooseSessionListWidget, names, count, 0, True); /* * Highlight the first unlocked session, if any. */ for (i = 0; i < sessionNameCount; i++) if (!sessionsLocked[i]) break; SessionSelected (i < sessionNameCount ? i : -1, True); } void ChooseWindowStructureNotifyXtHandler(Widget w, XtPointer closure, XEvent *event, Boolean *continue_to_dispatch) { if (event->type == MapNotify) { /* * Set the input focus to the choose window and direct all keyboard * events to the list widget. This way, the user can make selections * using the keyboard. */ XtSetKeyboardFocus (chooseSessionPopup, chooseSessionListWidget); XSetInputFocus (XtDisplay (topLevel), XtWindow (chooseSessionPopup), RevertToPointerRoot, CurrentTime); XSync (XtDisplay (topLevel), 0); XtRemoveEventHandler (chooseSessionPopup, StructureNotifyMask, False, ChooseWindowStructureNotifyXtHandler, NULL); } } void ChooseSession(void) { Dimension width, height; Position x, y; /* * Add the session names to the list */ AddSessionNames (sessionNameCount, sessionNamesLong); /* * Center popup containing choice of sessions */ XtRealizeWidget (chooseSessionPopup); XtVaGetValues (chooseSessionPopup, XtNwidth, &width, XtNheight, &height, NULL); x = (Position)(WidthOfScreen (XtScreen (topLevel)) - width) / 2; y = (Position)(HeightOfScreen (XtScreen (topLevel)) - height) / 3; XtVaSetValues (chooseSessionPopup, XtNx, x, XtNy, y, NULL); XtVaSetValues (chooseSessionListWidget, XtNlongest, width, NULL); XtVaSetValues (chooseSessionLabel, XtNwidth, width, NULL); XtVaGetValues (chooseSessionMessageLabel, XtNforeground, &save_message_foreground, XtNbackground, &save_message_background, NULL); XtVaSetValues (chooseSessionMessageLabel, XtNwidth, width, XtNforeground, save_message_background, NULL); /* * Wait for a map notify on the popup, then set input focus. */ XtAddEventHandler (chooseSessionPopup, StructureNotifyMask, False, ChooseWindowStructureNotifyXtHandler, NULL); XtPopup (chooseSessionPopup, XtGrabNone); } static void CheckDeleteCancel (void) { if (delete_session_phase > 0) { XtVaSetValues (chooseSessionMessageLabel, XtNforeground, save_message_background, NULL); delete_session_phase = 0; } } static void CheckBreakLockCancel(void) { if (break_lock_phase > 0) { XtVaSetValues (chooseSessionMessageLabel, XtNforeground, save_message_background, NULL); break_lock_phase = 0; } } static void ChooseSessionUp(Widget w, XEvent *event, String *params, Cardinal *numParams) { XawListReturnStruct *current; CheckDeleteCancel (); CheckBreakLockCancel (); current = XawListShowCurrent (chooseSessionListWidget); if (current->list_index > 0) SessionSelected (current->list_index - 1, True); XtFree ((char *) current); } static void ChooseSessionDown(Widget w, XEvent *event, String *params, Cardinal *numParams) { XawListReturnStruct *current; CheckDeleteCancel (); CheckBreakLockCancel (); current = XawListShowCurrent (chooseSessionListWidget); if (current->list_index < sessionNameCount - 1) SessionSelected (current->list_index + 1, True); XtFree ((char *) current); } static void ChooseSessionBtn1Down(Widget w, XEvent *event, String *params, Cardinal *numParams) { XawListReturnStruct *current; CheckDeleteCancel (); CheckBreakLockCancel (); current = XawListShowCurrent (chooseSessionListWidget); SessionSelected (current->list_index, False /* already highlighted */); XtFree ((char *) current); } static void ChooseSessionLoadXtProc(Widget w, XtPointer client_data, XtPointer callData) { XawListReturnStruct *current; CheckDeleteCancel (); CheckBreakLockCancel (); current = XawListShowCurrent (chooseSessionListWidget); if (!current || !current->string || *(current->string) == '\0') { if (current) XtFree ((char *) current); #ifdef XKB XkbStdBell(XtDisplay(topLevel),XtWindow(topLevel),0,XkbBI_BadValue); #else XBell (XtDisplay (topLevel), 0); #endif return; } /* * Pop down choice of sessions and start the specified session. */ XtPopdown (chooseSessionPopup); if (session_name) XtFree (session_name); session_name = XtNewString (current->string); XtFree ((char *) current); FreeSessionNames (sessionNameCount, sessionNamesShort, sessionNamesLong, sessionsLocked); /* * Start the session, looking for .XSM- startup file. */ if (!StartSession (session_name, False)) UnableToLockSession (session_name); } static void ChooseSessionDeleteXtProc(Widget w, XtPointer client_data, XtPointer callData) { XawListReturnStruct *current; int longest; String name; CheckBreakLockCancel (); current = XawListShowCurrent (chooseSessionListWidget); if (!current || !(name = current->string) || *name == '\0') { if (current) XtFree ((char *) current); #ifdef XKB XkbStdBell(XtDisplay(w),XtWindow(w),0,XkbBI_BadValue); #else XBell (XtDisplay (topLevel), 0); #endif return; } delete_session_phase++; if (delete_session_phase == 1) { XtVaSetValues (chooseSessionMessageLabel, XtNforeground, save_message_foreground, NULL); #ifdef XKB XkbStdBell(XtDisplay(w),XtWindow(w),0,XkbBI_BadValue); #else XBell (XtDisplay (topLevel), 0); #endif } else { XtVaSetValues (chooseSessionMessageLabel, XtNforeground, save_message_background, NULL); if (DeleteSession (name)) { int i, j; for (i = 0; i < sessionNameCount; i++) { if (strcmp (sessionNamesLong[i], name) == 0) { XtFree ((char *) sessionNamesShort[i]); if (sessionsLocked[i]) XtFree ((char *) sessionNamesLong[i]); for (j = i; j < sessionNameCount - 1; j++) { sessionNamesLong[j] = sessionNamesLong[j + 1]; sessionNamesShort[j] = sessionNamesShort[j + 1]; sessionsLocked[j] = sessionsLocked[j + 1]; } sessionNameCount--; break; } } if (sessionNameCount == 0) { XtSetSensitive (chooseSessionLoadButton, 0); XtSetSensitive (chooseSessionDeleteButton, 0); XtUnmanageChild (chooseSessionListWidget); } else { XtVaGetValues (chooseSessionListWidget, XtNlongest, &longest, NULL); XawListChange (chooseSessionListWidget, sessionNamesLong, sessionNameCount, longest, True); SessionSelected (-1, False); } } delete_session_phase = 0; } XtFree ((char *) current); } static void ChooseSessionBreakLockXtProc(Widget w, XtPointer client_data, XtPointer callData) { XawListReturnStruct *current; String name; CheckDeleteCancel (); current = XawListShowCurrent (chooseSessionListWidget); if (!current || !(name = current->string) || *name == '\0') { if (current) XtFree ((char *) current); #ifdef XKB XkbStdBell(XtDisplay(topLevel),XtWindow(topLevel),0,XkbBI_BadValue); #else XBell (XtDisplay (topLevel), 0); #endif return; } break_lock_phase++; if (break_lock_phase == 1) { XtVaSetValues (chooseSessionMessageLabel, XtNforeground, save_message_foreground, NULL); #ifdef XKB XkbStdBell(XtDisplay(topLevel),XtWindow(topLevel),0,XkbBI_BadValue); #else XBell (XtDisplay (topLevel), 0); #endif } else { int longest; XtVaSetValues (chooseSessionMessageLabel, XtNforeground, save_message_background, NULL); name = sessionNamesShort[current->list_index]; (void) GetLockId (name); UnlockSession (name); sessionsLocked[current->list_index] = False; XtFree ((char *) sessionNamesLong[current->list_index]); sessionNamesLong[current->list_index] = sessionNamesShort[current->list_index]; XtVaGetValues (chooseSessionListWidget, XtNlongest, &longest, NULL); XawListChange (chooseSessionListWidget, sessionNamesLong, sessionNameCount, longest, True); SessionSelected (current->list_index, True); break_lock_phase = 0; } XtFree ((char *) current); } static void ChooseSessionFailSafeXtProc(Widget w, XtPointer client_data, XtPointer callData) { /* * Pop down choice of sessions, and start the fail safe session. */ CheckDeleteCancel (); CheckBreakLockCancel (); XtPopdown (chooseSessionPopup); if (session_name) XtFree (session_name); session_name = XtNewString (FAILSAFE_SESSION_NAME); FreeSessionNames (sessionNameCount, sessionNamesShort, sessionNamesLong, sessionsLocked); /* * We don't need to check return value of StartSession in this case, * because we are using the default session, and StartSession will * not try to lock the session at this time. It will try to lock * it as soon as the user gives the session a name. */ StartSession (session_name, True /* Use ~/.xsmstartup if found, else system.xsm */); } static void ChooseSessionCancelXtProc(Widget w, XtPointer client_data, XtPointer callData) { if (delete_session_phase > 0 || break_lock_phase > 0) { XtVaSetValues (chooseSessionMessageLabel, XtNforeground, save_message_background, NULL); delete_session_phase = 0; break_lock_phase = 0; } else EndSession (2); } void create_choose_session_popup(void) { static XtActionsRec choose_actions[] = { {"ChooseSessionUp", ChooseSessionUp}, {"ChooseSessionDown", ChooseSessionDown}, {"ChooseSessionBtn1Down", ChooseSessionBtn1Down} }; /* * Pop up for choosing session at startup */ chooseSessionPopup = XtVaCreatePopupShell ( "chooseSessionPopup", transientShellWidgetClass, topLevel, XtNallowShellResize, True, NULL); chooseSessionForm = XtVaCreateManagedWidget ( "chooseSessionForm", formWidgetClass, chooseSessionPopup, NULL); chooseSessionLabel = XtVaCreateManagedWidget ( "chooseSessionLabel", labelWidgetClass, chooseSessionForm, XtNfromHoriz, NULL, XtNfromVert, NULL, XtNborderWidth, 0, XtNresizable, True, XtNjustify, XtJustifyCenter, NULL); chooseSessionListWidget = XtVaCreateManagedWidget ( "chooseSessionListWidget", listWidgetClass, chooseSessionForm, XtNresizable, True, XtNdefaultColumns, 1, XtNforceColumns, True, XtNfromHoriz, NULL, XtNfromVert, chooseSessionLabel, XtNvertDistance, 25, NULL); chooseSessionMessageLabel = XtVaCreateManagedWidget ( "chooseSessionMessageLabel", labelWidgetClass, chooseSessionForm, XtNfromHoriz, NULL, XtNfromVert, chooseSessionListWidget, XtNborderWidth, 0, XtNresizable, True, XtNjustify, XtJustifyCenter, NULL); chooseSessionLoadButton = XtVaCreateManagedWidget ( "chooseSessionLoadButton", commandWidgetClass, chooseSessionForm, XtNfromHoriz, NULL, XtNfromVert, chooseSessionMessageLabel, NULL); XtAddCallback (chooseSessionLoadButton, XtNcallback, ChooseSessionLoadXtProc, NULL); chooseSessionDeleteButton = XtVaCreateManagedWidget ( "chooseSessionDeleteButton", commandWidgetClass, chooseSessionForm, XtNfromHoriz, chooseSessionLoadButton, XtNfromVert, chooseSessionMessageLabel, NULL); XtAddCallback (chooseSessionDeleteButton, XtNcallback, ChooseSessionDeleteXtProc, NULL); chooseSessionBreakLockButton = XtVaCreateManagedWidget ( "chooseSessionBreakLockButton", commandWidgetClass, chooseSessionForm, XtNfromHoriz, chooseSessionDeleteButton, XtNfromVert, chooseSessionMessageLabel, NULL); XtAddCallback (chooseSessionBreakLockButton, XtNcallback, ChooseSessionBreakLockXtProc, NULL); chooseSessionFailSafeButton = XtVaCreateManagedWidget ( "chooseSessionFailSafeButton", commandWidgetClass, chooseSessionForm, XtNfromHoriz, chooseSessionBreakLockButton, XtNfromVert, chooseSessionMessageLabel, NULL); XtAddCallback (chooseSessionFailSafeButton, XtNcallback, ChooseSessionFailSafeXtProc, NULL); chooseSessionCancelButton = XtVaCreateManagedWidget ( "chooseSessionCancelButton", commandWidgetClass, chooseSessionForm, XtNfromHoriz, chooseSessionFailSafeButton, XtNfromVert, chooseSessionMessageLabel, NULL); XtAddCallback (chooseSessionCancelButton, XtNcallback, ChooseSessionCancelXtProc, NULL); XtAppAddActions (appContext, choose_actions, XtNumber (choose_actions)); XtInstallAllAccelerators (chooseSessionListWidget, chooseSessionPopup); }