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/*
* Evaluation graph
*
* Author: Alessandro Scotti (Dec 2005)
* Translated to X by H.G.Muller (Nov 2009)
*
* Copyright 2005 Alessandro Scotti
*
* Enhancements Copyright 2009, 2010, 2011, 2012, 2013, 2014, 2015,
* 2016 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 "common.h"
#include "backend.h"
#include "dialogs.h"
#include "menus.h"
#include "evalgraph.h"
#include "draw.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
static char *title[2] = { N_("Evaluation graph"), N_("Blunder graph") };
Option *disp;
/* Module variables */
static Option *EvalCallback P((int button, int x, int y));
static int initDone = FALSE;
static void
InitializeEvalGraph (Option *opt, int w, int h)
{
nWidthPB = w, nHeightPB = h;
initDone = TRUE;
}
// The following stuff is really back-end (but too little to bother with a separate file)
static void
EvalClick (int x, int y)
{
int index = GetMoveIndexFromPoint( x, y );
if( index >= 0 && index < currLast ) ToNrEvent( index + 1 );
}
static Option graphOptions[] = {
{ 150, 0x9C, 300, NULL, (void*) &EvalCallback, NULL, NULL, Graph , "" },
{ 0, 2, 0, NULL, NULL, "", NULL, EndMark , "" }
};
static void
DisplayEvalGraph ()
{ // back-end painting; calls back front-end primitives for lines, rectangles and text
char *t = MakeEvalTitle(_(title[differentialView]));
nWidthPB = disp->max; nHeightPB = disp->value;
if(t != title[differentialView] && nWidthPB < 340)
t = MakeEvalTitle(nWidthPB < 240 ? "" : differentialView ? _("Blunder") : _("Eval"));
PaintEvalGraph();
GraphExpose(graphOptions, 0, 0, nWidthPB, nHeightPB);
SetDialogTitle(EvalGraphDlg, t);
}
static Option *
EvalCallback (int button, int x, int y)
{
int dir = appData.zoom + 1;
if(!initDone) return NULL;
switch(button) {
case 3: dir = 0; differentialView = !differentialView;
case 4: dir -= 2;
case 5: if(dir > 0) appData.zoom = dir;
case 10: // expose event
/* Create or recreate paint box if needed */
if(x != nWidthPB || y != nHeightPB) {
InitializeEvalGraph(&graphOptions[0], x, y);
}
nWidthPB = x;
nHeightPB = y;
DisplayEvalGraph();
break;
case 1: EvalClick(x, y); // left button
default: break; // other buttons ignored
}
return NULL; // no context menu!
}
void
EvalGraphPopUp ()
{
if (GenericPopUp(graphOptions, _(title[differentialView]), EvalGraphDlg, BoardWindow, NONMODAL, appData.topLevel)) {
InitializeEvalGraph(&graphOptions[0], wpEvalGraph.width, wpEvalGraph.height); // first time: add callbacks and initialize pens
disp = graphOptions;
} else {
SetDialogTitle(EvalGraphDlg, _(title[differentialView]));
SetIconName(EvalGraphDlg, _(title[differentialView]));
}
MarkMenu("View.EvaluationGraph", EvalGraphDlg);
// ShowThinkingEvent(); // [HGM] thinking: might need to prompt engine for thinking output
}
void
EvalGraphPopDown ()
{
PopDown(EvalGraphDlg);
// ShowThinkingEvent(); // [HGM] thinking: might need to shut off thinking output
}
Boolean
EvalGraphIsUp ()
{
return shellUp[EvalGraphDlg];
}
int
EvalGraphDialogExists ()
{
return DialogExists(EvalGraphDlg);
}
void
EvalGraphProc ()
{
if (!PopDown(EvalGraphDlg)) EvalGraphPopUp();
}
// This function is the interface to the back-end.
void
EvalGraphSet (int first, int last, int current, ChessProgramStats_Move * pvInfo)
{
/* [AS] Danger! For now we rely on the pvInfo parameter being a static variable! */
currFirst = first;
currLast = last;
currCurrent = current;
currPvInfo = pvInfo;
if( DialogExists(EvalGraphDlg) ) {
DisplayEvalGraph();
}
}
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