Implement searching games in Game List for a position

[xboard.git] / xgamelist.c

diff --git a/xgamelist.c b/xgamelist.c
index 793eeb5..d68c00b 100644 (file)
--- a/xgamelist.c
+++ b/xgamelist.c
@@ -93,12 +93,6 @@ extern char *getenv();
 
 void SetFocus P((Widget w, XtPointer data, XEvent *event, Boolean *b));
 
-extern Widget formWidget, shellWidget, boardWidget, menuBarWidget, gameListShell;
-extern Display *xDisplay;
-extern int squareSize;
-extern Pixmap xMarkPixmap;
-extern char *layoutName;
-
 static Widget filterText;
 static char filterString[MSG_SIZ];
 static int listLength;
@@ -126,11 +120,6 @@ typedef struct {
 } GameListClosure;
 static GameListClosure *glc = NULL;
 
-static Arg layoutArgs[] = {
-    { XtNborderWidth, 0 },
-    { XtNdefaultDistance, 0 }
-};
-
 Widget
 GameListCreate(name, callback, client_data)
      char *name;
@@ -197,7 +186,7 @@ GameListCreate(name, callback, client_data)
     XtSetArg(args[j], XtNleft, XtChainLeft); j++;
     XtSetArg(args[j], XtNright, XtChainLeft); j++;
     b_load =
-      XtCreateManagedWidget(_("load"), commandWidgetClass, form, args, j);
+      XtCreateManagedWidget(_("thresholds"), commandWidgetClass, form, args, j);
     XtAddCallback(b_load, XtNcallback, callback, client_data);
 
     j = 0;
@@ -208,9 +197,9 @@ GameListCreate(name, callback, client_data)
     XtSetArg(args[j], XtNleft, XtChainLeft); j++;
     XtSetArg(args[j], XtNright, XtChainLeft); j++;
     b_loadprev =
-      XtCreateManagedWidget(_("prev"), commandWidgetClass, form, args, j);
+      XtCreateManagedWidget(_("find position"), commandWidgetClass, form, args, j);
     XtAddCallback(b_loadprev, XtNcallback, callback, client_data);
-
+#if 1
     j = 0;
     XtSetArg(args[j], XtNfromVert, viewport);  j++;
     XtSetArg(args[j], XtNfromHoriz, b_loadprev);  j++;
@@ -221,7 +210,9 @@ GameListCreate(name, callback, client_data)
     b_loadnext =
       XtCreateManagedWidget(_("next"), commandWidgetClass, form, args, j);
     XtAddCallback(b_loadnext, XtNcallback, callback, client_data);
-
+#else
+    b_loadnext = b_loadprev;
+#endif
     j = 0;
     XtSetArg(args[j], XtNfromVert, viewport);  j++;
     XtSetArg(args[j], XtNfromHoriz, b_loadnext);  j++;
@@ -251,7 +242,7 @@ GameListCreate(name, callback, client_data)
     XtSetArg(args[j], XtNbottom, XtChainBottom); j++;
     XtSetArg(args[j], XtNleft, XtChainLeft); j++;
     XtSetArg(args[j], XtNright, XtChainRight); j++;
-    XtSetArg(args[j], XtNwidth, fw_width - 225 - squareSize); j++;
+    XtSetArg(args[j], XtNwidth, fw_width - 275 - squareSize); j++;
     XtSetArg(args[j], XtNstring, filterString);  j++;
     XtSetArg(args[j], XtNdisplayCaret, False);  j++;
     XtSetArg(args[j], XtNresizable, True);  j++;
@@ -332,7 +323,7 @@ GameListCreate(name, callback, client_data)
 }
 
 static int
-GameListPrepare()
+GameListPrepare(int byPos)
 {   // [HGM] filter: put in separate routine, to make callable from call-back
     int nstrings;
     ListGame *lg;
@@ -344,11 +335,13 @@ GameListPrepare()
     lg = (ListGame *) gameList.head;
     listLength = 0;
     while (nstrings--) {
+       int pos = -1;
        line = GameListLine(lg->number, &lg->gameInfo);
-       if(filterString[0] == NULLCHAR || SearchPattern( line, filterString ) ) {
+       if((filterString[0] == NULLCHAR || SearchPattern( line, filterString )) && (!byPos || (pos=GameContainsPosition(glc->fp, lg)) >= 0) ) {
            *st++ = line; // [HGM] filter: make adding line conditional
            listLength++;
        }
+       lg->position = pos;
        lg = (ListGame *) lg->node.succ;
      }
     *st = NULL;
@@ -387,6 +380,14 @@ GameListCallback(w, client_data, call_data)
        GameListPopDown();
        return;
     }
+    if (strcmp(name, _("thresholds")) == 0) {
+       LoadOptionsProc();
+       return;
+    }
+    if (strcmp(name, _("find position")) == 0) {
+        if(GameListPrepare(True)) GameListReplace(); // crashes on empty list...
+       return;
+    }
     listwidg = XtNameToWidget(glc->shell, "*form.viewport.list");
     rs = XawListShowCurrent(listwidg);
     if (strcmp(name, _("load")) == 0) {
@@ -416,15 +417,19 @@ GameListCallback(w, client_data, call_data)
        XtGetValues(filterText, args, j);
         safeStrCpy(filterString, name, sizeof(filterString)/sizeof(filterString[0]));
        XawListHighlight(listwidg, 0);
-        if(GameListPrepare()) GameListReplace(); // crashes on empty list...
+        if(GameListPrepare(False)) GameListReplace(); // crashes on empty list...
         return;
     }
+#if 1
     index = atoi(glc->strings[index])-1; // [HGM] filter: read true index from sequence nr of line
     if (cmailMsgLoaded) {
        CmailLoadGame(glc->fp, index + 1, glc->filename, True);
     } else {
        LoadGame(glc->fp, index + 1, glc->filename, True);
     }
+#else
+    printf("This code should have been unreachable. Please report bug!\n");
+#endif
 }
 
 void
@@ -449,7 +454,7 @@ GameListPopUp(fp, filename)
        free(glc->strings);
     }
 
-    GameListPrepare(); // [HGM] filter: code put in separate routine
+    GameListPrepare(False); // [HGM] filter: code put in separate routine
 
     glc->fp = fp;
 
@@ -516,6 +521,7 @@ ShowGameListProc(w, event, prms, nprms)
     XtSetArg(args[j], XtNleftBitmap, xMarkPixmap); j++;
     XtSetValues(XtNameToWidget(menuBarWidget, "menuView.Show Game List"),
                args, j);
+    GameListHighlight(lastLoadGameNumber);
 }
 
 void
@@ -564,7 +570,7 @@ SetFilterProc(w, event, prms, nprms)
         XtSetArg(args[j], XtNstring, &name);  j++;
        XtGetValues(filterText, args, j);
         safeStrCpy(filterString, name, sizeof(filterString)/sizeof(filterString[0]));
-        if(GameListPrepare()) GameListReplace(); // crashes on empty list...
+        if(GameListPrepare(False)) GameListReplace(); // crashes on empty list...
        list = XtNameToWidget(glc->shell, "*form.viewport.list");
        XawListHighlight(list, 0);
         j = 0;
@@ -618,6 +624,35 @@ GameListIsUp()
     return glc && glc->up;
 }
 
+int SaveGameListAsText(FILE *f)
+{
+    ListGame * lg = (ListGame *) gameList.head;
+    int nItem;
+
+    if( !glc || ((ListGame *) gameList.tailPred)->number <= 0 ) {
+        DisplayError("Game list not loaded or empty", 0);
+        return False;
+    }
+
+    /* Copy the list into the global memory block */
+    if( f != NULL ) {
+ 
+        lg = (ListGame *) gameList.head;
+
+        for (nItem = 0; nItem < ((ListGame *) gameList.tailPred)->number; nItem++){
+            char * st = GameListLineFull(lg->number, &lg->gameInfo);
+           char *line = GameListLine(lg->number, &lg->gameInfo);
+           if(filterString[0] == NULLCHAR || SearchPattern( line, filterString ) )
+                   fprintf( f, "%s\n", st );
+           free(st); free(line);
+            lg = (ListGame *) lg->node.succ;
+        }
+
+        fclose(f);
+       return True;
+    }
+    return False;
+}
 //--------------------------------- Game-List options dialog ------------------------------------------
 
 Widget gameListOptShell, listwidg;