--- /dev/null
+/*
+ * Engine output (PV)
+ *
+ * Author: Alessandro Scotti (Dec 2005)
+ *
+ * Copyright 2005 Alessandro Scotti
+ *
+ * Enhancements Copyright 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+ *
+ * ------------------------------------------------------------------------
+ *
+ * GNU XBoard is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU XBoard is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://www.gnu.org/licenses/.
+ *
+ * ------------------------------------------------------------------------
+ ** See the file ChangeLog for a revision history. */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <ctype.h>
+#include <errno.h>
+#include <sys/types.h>
+
+#if STDC_HEADERS
+# include <stdlib.h>
+# include <string.h>
+#else /* not STDC_HEADERS */
+extern char *getenv();
+# if HAVE_STRING_H
+# include <string.h>
+# else /* not HAVE_STRING_H */
+# include <strings.h>
+# endif /* not HAVE_STRING_H */
+#endif /* not STDC_HEADERS */
+
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#include <X11/Intrinsic.h>
+#include <X11/StringDefs.h>
+#include <X11/Shell.h>
+#include <X11/Xaw/Dialog.h>
+#include <X11/Xaw/Form.h>
+#include <X11/Xaw/List.h>
+#include <X11/Xaw/Label.h>
+#include <X11/Xaw/SimpleMenu.h>
+#include <X11/Xaw/SmeBSB.h>
+#include <X11/Xaw/SmeLine.h>
+#include <X11/Xaw/Box.h>
+#include <X11/Xaw/Paned.h>
+#include <X11/Xaw/MenuButton.h>
+#include <X11/cursorfont.h>
+#include <X11/Xaw/Text.h>
+#include <X11/Xaw/AsciiText.h>
+#include <X11/Xaw/Viewport.h>
+#include <X11/Xatom.h>
+#include <X11/Xmu/Atoms.h>
+
+#include "common.h"
+#include "frontend.h"
+#include "backend.h"
+#include "dialogs.h"
+#include "xboard.h"
+#include "engineoutput.h"
+#include "gettext.h"
+
+#ifdef ENABLE_NLS
+# define _(s) gettext (s)
+# define N_(s) gettext_noop (s)
+#else
+# define _(s) (s)
+# define N_(s) s
+#endif
+
+#include <X11/xpm.h>
+
+// [HGM] pixmaps of some ICONS used in the engine-outut window
+#include "pixmaps/WHITE_14.xpm"
+#include "pixmaps/BLACK_14.xpm"
+#include "pixmaps/CLEAR_14.xpm"
+#include "pixmaps/UNKNOWN_14.xpm"
+#include "pixmaps/THINKING_14.xpm"
+#include "pixmaps/PONDER_14.xpm"
+#include "pixmaps/ANALYZING_14.xpm"
+
+
+/* Module variables */
+static int currentPV, highTextStart[2], highTextEnd[2];
+static Pixmap icons[8]; // [HGM] this front-end array translates back-end icon indicator to handle
+static Widget memoWidget;
+
+
+static void
+ReadIcon (char *pixData[], int iconNr, Widget w)
+{
+ int r;
+
+ if ((r=XpmCreatePixmapFromData(xDisplay, XtWindow(w),
+ pixData,
+ &(icons[iconNr]),
+ NULL, NULL /*&attr*/)) != 0) {
+ fprintf(stderr, _("Error %d loading icon image\n"), r);
+ exit(1);
+ }
+}
+
+void
+InitEngineOutput (Option *opt, Option *memo2)
+{ // front-end, because it must have access to the pixmaps
+ Widget w = opt->handle;
+ memoWidget = memo2->handle;
+
+ ReadIcon(WHITE_14, nColorWhite, w);
+ ReadIcon(BLACK_14, nColorBlack, w);
+ ReadIcon(UNKNOWN_14, nColorUnknown, w);
+
+ ReadIcon(CLEAR_14, nClear, w);
+ ReadIcon(PONDER_14, nPondering, w);
+ ReadIcon(THINK_14, nThinking, w);
+ ReadIcon(ANALYZE_14, nAnalyzing, w);
+}
+
+void
+DrawWidgetIcon (Option *opt, int nIcon)
+{ // as we are already in X front-end, so do X-stuff here
+ Arg arg;
+ XtSetArg(arg, XtNleftBitmap, (XtArgVal) icons[nIcon]);
+ XtSetValues(opt->handle, &arg, 1);
+}
+
+void
+InsertIntoMemo (int which, char * text, int where)
+{
+ XawTextBlock t;
+ Widget edit;
+
+ /* the backend adds \r\n, which is needed for winboard,
+ * for xboard we delete them again over here */
+ if(t.ptr = strchr(text, '\r')) *t.ptr = ' ';
+
+ t.ptr = text; t.firstPos = 0; t.length = strlen(text); t.format = XawFmt8Bit;
+ edit = XtNameToWidget(shells[EngOutDlg], which ? "*paneB.text" : "*paneA.text");
+ XawTextReplace(edit, where, where, &t);
+ if(where < highTextStart[which]) { // [HGM] multiPVdisplay: move highlighting
+ int len = strlen(text);
+ highTextStart[which] += len; highTextEnd[which] += len;
+ XawTextSetSelection( edit, highTextStart[which], highTextEnd[which] );
+ }
+}
+
+//--------------------------------- PV walking ---------------------------------------
+
+char memoTranslations[] =
+":Ctrl<Key>c: CopyMemoProc() \n \
+<Btn3Motion>: HandlePV() \n \
+Shift<Btn3Down>: select-start() extend-end() SelectPV(1) \n \
+Any<Btn3Down>: select-start() extend-end() SelectPV(0) \n \
+<Btn3Up>: StopPV() \n";
+
+void
+SelectPV (Widget w, XEvent * event, String * params, Cardinal * nParams)
+{ // [HGM] pv: translate click to PV line, and load it for display
+ String val;
+ int start, end;
+ XawTextPosition index, dummy;
+ int x, y;
+ Arg arg;
+
+ x = event->xmotion.x; y = event->xmotion.y;
+ currentPV = (w != memoWidget);
+ XawTextGetSelectionPos(w, &index, &dummy);
+ XtSetArg(arg, XtNstring, &val);
+ XtGetValues(w, &arg, 1);
+ shiftKey = strcmp(params[0], "0");
+ if(LoadMultiPV(x, y, val, index, &start, &end, currentPV)) {
+ XawTextSetSelection( w, start, end );
+ highTextStart[currentPV] = start; highTextEnd[currentPV] = end;
+ }
+}
+
+void
+StopPV (Widget w, XEvent * event, String * params, Cardinal * nParams)
+{ // [HGM] pv: on right-button release, stop displaying PV
+ XawTextUnsetSelection( w );
+ highTextStart[currentPV] = highTextEnd[currentPV] = 0;
+ UnLoadPV();
+ XtCallActionProc(w, "beginning-of-file", event, NULL, 0);
+}
+
+//------------------------- Ctrl-C copying of memo texts ---------------------------
+
+// Awfull code: first read our own primary selection into selected_fen_position,
+// and then transfer ownership of this to the clipboard, so that the
+// copy-position callback can fetch it there when somebody pastes it
+// Worst of all is that I only added it because I did not know how to copy primary:
+// my laptop has no middle button. Ctrl-C might not be needed at all... [HGM]
+
+// cloned from CopyPositionProc. Abuse selected_fen_position to hold selection
+
+Boolean SendPositionSelection(Widget w, Atom *selection, Atom *target,
+ Atom *type_return, XtPointer *value_return,
+ unsigned long *length_return, int *format_return); // from xboard.c
+
+static void
+MemoCB (Widget w, XtPointer client_data, Atom *selection,
+ Atom *type, XtPointer value, unsigned long *len, int *format)
+{
+ if (value==NULL || *len==0) return; /* nothing had been selected to copy */
+ selected_fen_position = value;
+ selected_fen_position[*len]='\0'; /* normally this string is terminated, but be safe */
+ XtOwnSelection(menuBarWidget, XA_CLIPBOARD(xDisplay),
+ CurrentTime,
+ SendPositionSelection,
+ NULL/* lose_ownership_proc */ ,
+ NULL/* transfer_done_proc */);
+}
+
+void
+CopyMemoProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
+{
+ if(appData.pasteSelection) return;
+ if (selected_fen_position) free(selected_fen_position);
+ XtGetSelectionValue(menuBarWidget,
+ XA_PRIMARY, XA_STRING,
+ /* (XtSelectionCallbackProc) */ MemoCB,
+ NULL, /* client_data passed to PastePositionCB */
+
+ /* better to use the time field from the event that triggered the
+ * call to this function, but that isn't trivial to get
+ */
+ CurrentTime
+ );
+}
+
+//------------------------------- pane switching -----------------------------------
+
+void
+ResizeWindowControls (int mode)
+{ // another hideous kludge: to have only a single pane, we resize the
+ // second to 5 pixels (which makes it too small to display anything)
+ Widget form1, form2;
+ Arg args[16];
+ int j;
+ Dimension ew_height, tmp;
+ Widget shell = shells[EngOutDlg];
+
+ form1 = XtNameToWidget(shell, "*paneA");
+ form2 = XtNameToWidget(shell, "*paneB");
+
+ j = 0;
+ XtSetArg(args[j], XtNheight, (XtArgVal) &ew_height); j++;
+ XtGetValues(form1, args, j);
+ j = 0;
+ XtSetArg(args[j], XtNheight, (XtArgVal) &tmp); j++;
+ XtGetValues(form2, args, j);
+ ew_height += tmp; // total height
+
+ if(mode==0) {
+ j = 0;
+ XtSetArg(args[j], XtNheight, (XtArgVal) 5); j++;
+ XtSetValues(form2, args, j);
+ j = 0;
+ XtSetArg(args[j], XtNheight, (XtArgVal) (ew_height-5)); j++;
+ XtSetValues(form1, args, j);
+ } else {
+ j = 0;
+ XtSetArg(args[j], XtNheight, (XtArgVal) (ew_height/2)); j++;
+ XtSetValues(form1, args, j);
+ j = 0;
+ XtSetArg(args[j], XtNheight, (XtArgVal) (ew_height/2)); j++;
+ XtSetValues(form2, args, j);
+ }
+}
+