Revert "adding gnu-readline support"
[xboard.git] / xboard.c
index 67992f1..1246013 100644 (file)
--- a/xboard.c
+++ b/xboard.c
@@ -141,12 +141,6 @@ extern char *getenv();
 # endif
 #endif
 
-
-# if HAVE_LIBREADLINE /* add gnu-readline support */
-#include <readline/readline.h>
-#include <readline/history.h>
-# endif
-
 #include <X11/Intrinsic.h>
 #include <X11/StringDefs.h>
 #include <X11/Shell.h>
@@ -475,11 +469,6 @@ void SettingsPopDown P(());
 void update_ics_width P(());
 int get_term_width P(());
 int CopyMemoProc P(());
-
-# if HAVE_LIBREADLINE /* add gnu-readline support */
-static void ReadlineCompleteHandler P((char *)); 
-# endif
-
 /*
 * XBoard depends on Xt R4 or higher
 */
@@ -515,13 +504,6 @@ FileProc fileProc;
 char *fileOpenMode;
 char installDir[] = "."; // [HGM] UCI: needed for UCI; probably needs run-time initializtion
 
-# if HAVE_LIBREADLINE /* gnu readline support */
-static char* readline_buffer;
-static int readline_complete=0;
-extern int sending_ICS_login;
-extern int sending_ICS_password;
-#endif
-
 Position commentX = -1, commentY = -1;
 Dimension commentW, commentH;
 typedef unsigned int BoardSize;
@@ -1731,6 +1713,10 @@ void InitDrawingSizes(BoardSize boardSize, int flags)
           xpmPieceBitmap[i][(int)WhiteMarshall] = xpmPieceBitmap2[i][(int)WhiteSilver];
        }
 #endif
+       if(gameInfo.variant == VariantSChess && (squareSize == 49 || squareSize == 72)) {
+          xpmPieceBitmap[i][(int)WhiteAngel]    = xpmPieceBitmap2[i][(int)WhiteFalcon];
+          xpmPieceBitmap[i][(int)WhiteMarshall] = xpmPieceBitmap2[i][(int)WhiteAlfil];
+       }
 #if !HAVE_LIBXPM
        // [HGM] why are thee ximMasks used at all? the ximPieceBitmaps seem to be never used!
        for(p=0; p<=(int)WhiteKing; p++)
@@ -1747,6 +1733,10 @@ void InitDrawingSizes(BoardSize boardSize, int flags)
            ximMaskPm[(int)WhiteMarshall] = ximMaskPm2[(int)WhiteSilver];
        }
 #endif
+       if(gameInfo.variant == VariantSChess && (squareSize == 49 || squareSize == 72)) {
+           ximMaskPm[(int)WhiteAngel]    = ximMaskPm2[(int)WhiteFalcon];
+           ximMaskPm[(int)WhiteMarshall] = ximMaskPm2[(int)WhiteAlfil];
+       }
 #endif
       }
     } else {
@@ -1766,6 +1756,10 @@ void InitDrawingSizes(BoardSize boardSize, int flags)
           pieceBitmap[i][(int)WhiteMarshall] = pieceBitmap2[i][(int)WhiteSilver];
        }
 #endif
+       if(gameInfo.variant == VariantSChess && (squareSize == 49 || squareSize == 72)) {
+          pieceBitmap[i][(int)WhiteAngel]    = pieceBitmap2[i][(int)WhiteFalcon];
+          pieceBitmap[i][(int)WhiteMarshall] = pieceBitmap2[i][(int)WhiteAlfil];
+       }
       }
     }
 #if HAVE_LIBXPM
@@ -1794,12 +1788,6 @@ main(argc, argv)
     setbuf(stdout, NULL);
     setbuf(stderr, NULL);
     debugFP = stderr;
-    
-# if HAVE_LIBREADLINE
-    /* install gnu-readline handler */
-    rl_callback_handler_install("> ", ReadlineCompleteHandler);
-    rl_readline_name="XBoard";
-# endif
 
     if(argc > 1 && (!strcmp(argv[1], "-v" ) || !strcmp(argv[1], "--version" ))) {
        printf("%s version %s\n", PACKAGE_NAME, PACKAGE_VERSION);
@@ -2626,13 +2614,6 @@ ShutDownFrontEnd()
     if (saveSettingsOnExit) SaveSettings(settingsFileName);
     unlink(gameCopyFilename);
     unlink(gamePasteFilename);
-
-# if HAVE_LIBREADLINE
-    /* remove gnu-readline handler.  */
-    rl_callback_handler_remove();
-#endif
-
-    return;
 }
 
 RETSIGTYPE TermSizeSigHandler(int sig)
@@ -5815,7 +5796,7 @@ SendPositionSelection(Widget w, Atom *selection, Atom *target,
      * automatically call XtFree on the value returned.  So have to
      * make a copy of it allocated with XtMalloc */
     selection_tmp= XtMalloc(strlen(selected_fen_position)+16);
-    safeStrCpy(selection_tmp, selected_fen_position, sizeof(selection_tmp)/sizeof(selection_tmp[0]) );
+    safeStrCpy(selection_tmp, selected_fen_position, strlen(selected_fen_position)+16 );
 
     *value_return=selection_tmp;
     *length_return=strlen(selection_tmp);
@@ -7609,7 +7590,7 @@ ExpandPathName(path)
        }
        else {
          safeStrCpy(buf, s+1, sizeof(buf)/sizeof(buf[0]) );
-         *strchr(buf, '/') = 0;
+         { char *p; if(p = strchr(buf, '/')) *p = 0; }
          pwd = getpwnam(buf);
          if (!pwd)
            {
@@ -8155,98 +8136,16 @@ DoInputCallback(closure, source, xid)
        }
        q = is->buf;
        while (p < is->unused) {
-         *q++ = *p++;
+           *q++ = *p++;
        }
        is->unused = q;
     } else {
-# if HAVE_LIBREADLINE
-      /* check if input is from stdin, if yes, use gnu-readline */
-      if( is->fd==fileno(stdin) )
-       {
-         /* to clear the line */
-         printf("\r                                                 \r");
-         
-         /* read from stdin */
-         rl_callback_read_char(); 
-
-         /* redisplay the current line, check special case for login and password */
-         if(sending_ICS_password)
-           {
-             int i; char buf[MSG_SIZ];
-
-             bzero(buf,MSG_SIZ);
-
-             /* blank the password */
-             count = strlen(rl_line_buffer);
-             if(count>MSG_SIZ-1)
-               {
-                 printf("PROBLEM with readline\n");
-                 count=MSG_SIZ;
-               }
-             for(i=0;i<count;i++)
-               buf[i]='*';
-             i++;
-             buf[i]='\0';
-             printf("\rpassword: %s",buf);
-           }
-         else if (sending_ICS_login)
-           {
-             /* show login prompt */
-             count = strlen(rl_line_buffer);
-             printf("\rlogin: %s",rl_line_buffer);
-           }
-         else
-           rl_reset_line_state();
-         
-         if(readline_complete)
-           {
-             /* copy into XBoards buffer */
-             count = strlen(readline_buffer);
-             if (count>INPUT_SOURCE_BUF_SIZE-1)
-               {
-                 printf("PROBLEM with readline\n");
-                 count = INPUT_SOURCE_BUF_SIZE;
-               };
-             strncpy(is->buf,readline_buffer,count);
-             is->buf[count]='\n';count++; 
-
-             /* reset gnu-readline state */
-             free(readline_buffer);
-             readline_buffer=NULL;
-             readline_complete=0;
-
-             if (count == -1)
-               error = errno;
-             else
-               error = 0;
-             (is->func)(is, is->closure, is->buf, count, error);
-
-             /* are we done with the password? */
-             if(sending_ICS_password)
-               sending_ICS_password=0;
-             if(sending_ICS_login)
-               sending_ICS_login=0;
-           }
-       }
-      else
-       {
-         /* input not from stdin, use default method */
-         count = read(is->fd, is->buf, INPUT_SOURCE_BUF_SIZE);
-         if (count == -1)
-           error = errno;
-         else
-           error = 0;
-         (is->func)(is, is->closure, is->buf, count, error);
-       };
-#else /* no readline support */
-      count = read(is->fd, is->buf, INPUT_SOURCE_BUF_SIZE);
-      if (count == -1)
-       error = errno;
-      else
-       error = 0;
-      (is->func)(is, is->closure, is->buf, count, error);
-#endif
-
+       count = read(is->fd, is->buf, INPUT_SOURCE_BUF_SIZE);
+       if (count == -1)
+         error = errno;
+       else
+         error = 0;
+       (is->func)(is, is->closure, is->buf, count, error);
     }
 }
 
@@ -8302,36 +8201,28 @@ int OutputToProcess(pr, message, count, outError)
     ChildProc *cp = (ChildProc *) pr;
     int outCount;
 
-
     if (pr == NoProc)
     {
-      if (appData.noJoin || !appData.useInternalWrap)
-       outCount = fwrite(message, 1, count, stdout);
-      else
+        if (appData.noJoin || !appData.useInternalWrap)
+            outCount = fwrite(message, 1, count, stdout);
+        else
         {
-         int width = get_term_width();
-         int len = wrap(NULL, message, count, width, &line);
-         char *msg = malloc(len);
-         int dbgchk;
-         
-         if (!msg)
-           outCount = fwrite(message, 1, count, stdout);
-         else
+            int width = get_term_width();
+            int len = wrap(NULL, message, count, width, &line);
+            char *msg = malloc(len);
+            int dbgchk;
+
+            if (!msg)
+                outCount = fwrite(message, 1, count, stdout);
+            else
             {
-             dbgchk = wrap(msg, message, count, width, &line);
-             if (dbgchk != len && appData.debugMode)
-               fprintf(debugFP, "wrap(): dbgchk(%d) != len(%d)\n", dbgchk, len);
-             outCount = fwrite(msg, 1, dbgchk, stdout);
-             free(msg);
+                dbgchk = wrap(msg, message, count, width, &line);
+                if (dbgchk != len && appData.debugMode)
+                    fprintf(debugFP, "wrap(): dbgchk(%d) != len(%d)\n", dbgchk, len);
+                outCount = fwrite(msg, 1, dbgchk, stdout);
+                free(msg);
             }
         }
-      
-# if HAVE_LIBREADLINE
-      /* readline support */
-      if(strlen(rl_line_buffer))
-        printf("\n>  %s",rl_line_buffer);
-#endif
-
     }
     else
       outCount = write(cp->fdTo, message, count);
@@ -9048,6 +8939,17 @@ DragPieceBegin(x, y)
            XCopyArea(xDisplay, xBoardWindow, player.saveBuf, player.blitGC,
                     corner.x, corner.y, squareSize, squareSize,
                     0, 0); // [HGM] zh: unstack in stead of grab
+           if(gatingPiece != EmptySquare) {
+               /* Kludge alert: When gating we want the introduced
+                  piece to appear on the from square. To generate an
+                  image of it, we draw it on the board, copy the image,
+                  and draw the original piece again. */
+               ChessSquare piece = boards[currentMove][boardY][boardX];
+               DrawSquare(boardY, boardX, gatingPiece, 0);
+               XCopyArea(xDisplay, xBoardWindow, player.saveBuf, player.blitGC,
+                    corner.x, corner.y, squareSize, squareSize, 0, 0);
+               DrawSquare(boardY, boardX, piece, 0);
+           }
        damage[0][boardY][boardX] = True;
     } else {
        player.dragActive = False;
@@ -9163,18 +9065,3 @@ void NotifyFrontendLogin()
 {
     update_ics_width();
 }
-
-# if HAVE_LIBREADLINE
-static void 
-ReadlineCompleteHandler(char* ptr)
-{
-  /* make gnu-readline keep the history */
-  readline_buffer = ptr;
-  readline_complete = 1;
-  
-  if (ptr && *ptr && !sending_ICS_password && !sending_ICS_login)
-    add_history(ptr);
-
-  return;
-}
-#endif