Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/dtstyle/SaveRestore.c

@@ -0,0 +1,200 @@
+/*$XConsortium: SaveRestore.c /main/5 1996/03/25 00:53:19 pascale $ */
+/************************************<+>*************************************
+ ****************************************************************************
+ **
+ **   File:        SaveRestore.c
+ **
+ **   Project:     DT 3.0
+ **
+ **   Description: Controls the Dtstyle Save/Restore functionality
+ **
+ **
+ ****************************************************************************
+ ************************************<+>*************************************/
+/*
+ * (c) Copyright 1996 Digital Equipment Corporation.
+ * (c) Copyright 1990, 1996 Hewlett-Packard Company.
+ * (c) Copyright 1996 International Business Machines Corp.
+ * (c) Copyright 1996 Sun Microsystems, Inc.
+ * (c) Copyright 1996 Novell, Inc. 
+ * (c) Copyright 1996 FUJITSU LIMITED.
+ * (c) Copyright 1996 Hitachi.
+ */
+
+/*+++++++++++++++++++++++++++++++++++++++*/
+/* include files                         */
+/*+++++++++++++++++++++++++++++++++++++++*/
+
+#include <stdio.h>
+
+#include <X11/Xlib.h>
+
+#include <Xm/Xm.h>
+#include <Xm/XmP.h>
+#include <Xm/Form.h>
+#include <Xm/LabelG.h>
+#include <Xm/PushBG.h>
+#include <Xm/Scale.h>
+
+#include <Dt/DialogBox.h>
+
+#include <Dt/HourGlass.h>
+#include <Dt/UserMsg.h>
+
+#include "Main.h"
+
+/*+++++++++++++++++++++++++++++++++++++++*/
+/* include extern functions              */
+/*+++++++++++++++++++++++++++++++++++++++*/
+#include "SaveRestore.h"
+
+/*+++++++++++++++++++++++++++++++++++++++*/
+/* Local #defines                        */
+/*+++++++++++++++++++++++++++++++++++++++*/
+#define MSG1  ((char *)GETMESSAGE(10, 1, "Check file permissions.")) 
+#define MSG2  ((char *)GETMESSAGE(10, 3, "%s is the file that would have been used to save your session\n"))
+
+
+/************************************************************************
+ *
+ *  saveSessionCB
+ *      Creates a file as a resource data base, and writes out all
+ *  info needed to save our current state.  This info will be used
+ *  later by restoreSession to start up the help system in the exact
+ *  state in which we saved the session.
+ *
+ ************************************************************************/
+void 
+saveSessionCB(
+        Widget w,
+        XtPointer client_data,
+        XtPointer call_data )
+{
+  char *longpath, *name;
+  int fd, n; 
+  char *xa_CommandStr[3];
+  unsigned char *data = NULL;
+  char *tmpStr;
+
+#ifdef _SUN_OS
+  char *noCommands = NULL;
+#endif /*  _SUN_OS */
+
+  /* get the root window property of SaveMode */
+  GetSessionSaveMode(&data );
+  
+  /* if the property is "home" don't save dtstyle */
+  if(strcmp((char *)data, "home") == 0)
+  {
+#ifdef _SUN_OS   /*  Sun doesn't like "NULL" when expecting "char **" */
+     XSetCommand(style.display, XtWindow(w), &noCommands, 0);
+#else
+     XSetCommand(style.display, XtWindow(w), NULL, 0);
+#endif /* _SUN_OS */
+     return;
+  }
+
+  /* Xt may not pass a widget as advertised */
+  if(!XtIsShell(w))
+    DtSessionSavePath(XtParent(w), &longpath, &name);
+  else
+    DtSessionSavePath(w, &longpath, &name);
+
+  /*  Create the session file  */
+  if ((fd = creat (longpath, S_IRUSR | S_IRGRP | S_IWUSR | S_IWGRP)) == -1)
+    {
+      tmpStr = (char *)XtMalloc(strlen(MSG2) + strlen(longpath)+ 1);
+      sprintf(tmpStr, MSG2, longpath);
+      _DtSimpleErrnoError(progName,DtError, MSG1, tmpStr, NULL);   
+      XtFree(tmpStr);
+      XtFree ((char *)longpath);
+      XtFree ((char *)name);
+      return;
+    }
+
+  /*write out each needed resource*/
+  saveMain(fd);
+  saveColor(fd);
+  saveColorEdit(fd);
+  saveFonts(fd);
+  saveBackdrop(fd);
+  saveKeybd(fd);
+  saveMouse(fd);
+  saveAudio(fd);
+  saveScreen(fd);
+  saveDtwm(fd);
+  saveStartup(fd);
+  saveI18n(fd);
+  
+  close (fd);
+
+/*If this is a session manager requested saveYrSlf, need to put dialogs in*/
+/*recoverable state, and make them consistent with server (etc) state.*/
+/*Have to do it before exit so SM gets corrected server state.*/
+  callCancels();
+
+  n = 0;
+  xa_CommandStr[n] = style.execName; n++;
+  xa_CommandStr[n] =  "-session"; n++;
+  xa_CommandStr[n] = name; n++;
+
+  XSetCommand(style.display, XtWindow(w), xa_CommandStr, n);
+  XtFree ((char *)longpath);
+  XtFree ((char *)name);
+
+/*  Don't exit yet, SM needs time to get the new commandStr.*/
+}
+
+
+/************************************************************************
+ *
+ *  RestoreSession
+ *      Open the file as a resource data base, and use the data to
+ *      set the dialog position and (optionally) size.
+ *
+ ************************************************************************/
+
+Boolean 
+restoreSession(
+        Widget shell,
+        char *name )
+{
+  XrmDatabase db;
+  char *tmpStr;
+  char *longpath;
+  Boolean status;
+
+  status = DtSessionRestorePath(shell, &longpath, name);
+  if (!status)
+      return(1);
+  
+  /*  Open the file as a resource database */
+  if ((db = XrmGetFileDatabase (longpath)) == NULL) {
+    tmpStr = (char *)XtMalloc(strlen(MSG2) + strlen(longpath)+ 1);
+    sprintf(tmpStr, MSG2, longpath);
+    _DtSimpleErrnoError(progName, DtError, MSG1, tmpStr, NULL);   
+    XtFree(tmpStr);
+    XtFree(longpath);
+    return(1);
+  }
+
+  restoreMain(shell, db);   /* Must happen first */
+
+  /* Now, Restore the dialogs */
+  restoreColor(shell, db);
+  restoreColorEdit(shell, db);
+  restoreFonts(shell, db);
+  restoreBackdrop(shell, db);
+  restoreKeybd(shell, db);
+  restoreMouse(shell, db);
+  restoreAudio(shell, db);
+  restoreScreen(shell, db);
+  restoreDtwm(shell, db);
+  restoreStartup(shell, db);
+  restoreI18n(shell, db);
+
+  XrmDestroyDatabase(db);
+
+  XtFree(longpath);
+  return(0);
+}