/*
* ngamelist.c -- Game list window, Xt-independent front-end code for XBoard
*
* Copyright 1995, 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 "frontend.h"
#include "backend.h"
#include "dialogs.h"
#include "menus.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 filterString[MSG_SIZ];
static int listLength, wins, losses, draws, page;
int narrowFlag;
typedef struct {
short int x, y;
short int w, h;
FILE *fp;
char *filename;
char **strings;
} GameListClosure;
static GameListClosure *glc = NULL;
static char *filterPtr;
static char *list[1003];
static int listEnd;
static int GameListPrepare P((int byPos, int narrow));
static void GameListReplace P((int page));
static void GL_Button P((int n));
Option gamesOptions[] = {
{ 200, LR|TB, 400, NULL, (void*) list, NULL, NULL, ListBox, "", &appData.gameListFont },
{ 0, 0, 100, NULL, (void*) &filterPtr, "", NULL, TextBox, "" },
{ 4, SAME_ROW, 0, NULL, (void*) &GL_Button, NULL, NULL, Button, N_("find position") },
{ 2, SAME_ROW, 0, NULL, (void*) &GL_Button, NULL, NULL, Button, N_("narrow") }, // buttons referred to by ID in value (=first) field!
{ 3, SAME_ROW, 0, NULL, (void*) &GL_Button, NULL, NULL, Button, N_("thresholds") },
{ 9, SAME_ROW, 0, NULL, (void*) &GL_Button, NULL, NULL, Button, N_("tags") },
{ 5, SAME_ROW, 0, NULL, (void*) &GL_Button, NULL, NULL, Button, N_("next") },
{ 6, SAME_ROW, 0, NULL, (void*) &GL_Button, NULL, NULL, Button, N_("close") },
{ 0, SAME_ROW | NO_OK, 0, NULL, NULL, "", NULL, EndMark , "" }
};
static void
GL_Button (int n)
{
int index;
n = gamesOptions[n].value; // use marker in option rather than n itself, for more easy adding/deletng of buttons
if (n == 6) { // close
PopDown(GameListDlg);
return;
}
if (n == 3) { // thresholds
LoadOptionsPopUp(GameListDlg);
return;
}
if (n == 9) { // tags
GameListOptionsPopUp(GameListDlg);
return;
}
index = SelectedListBoxItem(&gamesOptions[0]);
if (n == 7) { // load
if (index < 0) {
DisplayError(_("No game selected"), 0);
return;
}
} else if (n == 5) { // next
index++;
if (index >= listLength || !list[index]) {
DisplayError(_("Can't go forward any further"), 0);
return;
}
HighlightWithScroll(&gamesOptions[0], index, listEnd);
} else if (n == 8) { // prev
index--;
if (index < 0) {
DisplayError(_("Can't back up any further"), 0);
return;
}
HighlightWithScroll(&gamesOptions[0], index, listEnd);
} else if (n == 2 || // narrow
n == 4) { // find position
char *text;
GetWidgetText(&gamesOptions[1], &text);
safeStrCpy(filterString, text, sizeof(filterString)/sizeof(filterString[0]));
GameListPrepare(True, n == 2); GameListReplace(0);
return;
}
index = atoi(list[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);
}
}
static int
GameListCreate (char *name)
{
int new;
if(new = GenericPopUp(gamesOptions, name, GameListDlg, BoardWindow, NONMODAL, appData.topLevel))
AddHandler(&gamesOptions[1], GameListDlg, 4),
AddHandler(&gamesOptions[0], GameListDlg, 5);
FocusOnWidget(&gamesOptions[0], GameListDlg);
return new;
}
static int
GameListPrepare (int byPos, int narrow)
{ // [HGM] filter: put in separate routine, to make callable from call-back
int nstrings;
ListGame *lg;
char **st, *line;
TimeMark t, t2;
GetTimeMark(&t);
if(st = glc->strings) while(*st) free(*st++);
nstrings = ((ListGame *) gameList.tailPred)->number;
glc->strings = (char **) malloc((nstrings + 1) * sizeof(char *));
st = glc->strings;
lg = (ListGame *) gameList.head;
listLength = wins = losses = draws = 0;
if(byPos) InitSearch();
while (nstrings--) {
int pos = -1;
if(!narrow || lg->position >= 0) { // only consider already selected positions when narrowing
line = GameListLine(lg->number, &lg->gameInfo);
if((filterString[0] == NULLCHAR || SearchPattern( line, filterString )) && (!byPos || (pos=GameContainsPosition(glc->fp, lg)) >= 0) ) {
*st++ = line; // [HGM] filter: make adding line conditional.
listLength++;
if( lg->gameInfo.result == WhiteWins ) wins++; else
if( lg->gameInfo.result == BlackWins ) losses++; else
if( lg->gameInfo.result == GameIsDrawn ) draws++;
if(!byPos) pos = 0; // indicate selected
}
}
if(lg->number % 2000 == 0) {
char buf[MSG_SIZ];
snprintf(buf, MSG_SIZ, _("Scanning through games (%d)"), lg->number);
DisplayTitle(buf); DoEvents();
}
lg->position = pos;
lg = (ListGame *) lg->node.succ;
}
if(appData.debugMode) { GetTimeMark(&t2);printf("GameListPrepare %ld msec\n", SubtractTimeMarks(&t2,&t)); }
DisplayTitle("XBoard");
*st = NULL;
return listLength;
}
static void
GameListReplace (int page)
{
// filter: put in separate routine, to make callable from call-back
char buf[MSG_SIZ], **st=list;
int i;
if(page) *st++ = _("previous page"); else if(listLength > 1000) *st++ = "";
for(i=0; i<1000; i++) if( !(*st++ = glc->strings[page+i]) ) { st--; break; }
listEnd = st - list;
if(page + 1000 <= listLength) *st++ = _("next page");
*st = NULL;
LoadListBox(&gamesOptions[0], _("no games matched your request"), -1, -1);
HighlightWithScroll(&gamesOptions[0], listEnd > 1000, listEnd);
snprintf(buf, MSG_SIZ, _("%s - %d/%d games (%d-%d-%d)"), glc->filename, listLength, ((ListGame *) gameList.tailPred)->number, wins, losses, draws);
SetDialogTitle(GameListDlg, buf);
}
void
GameListUpdate ()
{
if(!DialogExists(GameListDlg)) return;
GameListPrepare(False, False);
GameListReplace(0);
}
void
GameListPopUp (FILE *fp, char *filename)
{
if (glc == NULL) {
glc = (GameListClosure *) calloc(1, sizeof(GameListClosure));
glc->x = glc->y = -1;
glc->filename = NULL;
}
GameListPrepare(False, False); // [HGM] filter: code put in separate routine
glc->fp = fp;
if (glc->filename != NULL) free(glc->filename);
glc->filename = StrSave(filename);
if (!GameListCreate(filename))
SetIconName(GameListDlg, filename);
page = 0;
GameListReplace(0); // [HGM] filter: code put in separate routine, and also called to set title
MarkMenu("View.GameList", GameListDlg);
EnableNamedMenuItem("File.SaveSelected", TRUE);
}
FILE *
GameFile ()
{
return glc ? glc->fp : NULL;
}
void
GameListDestroy ()
{
if (glc == NULL) return;
EnableNamedMenuItem("File.SaveSelected", FALSE);
PopDown(GameListDlg);
if (glc->strings != NULL) {
char **st;
st = glc->strings;
while (*st) {
free(*st++);
}
free(glc->strings);
}
free(glc);
glc = NULL;
}
void
ShowGameListProc ()
{
if (glc == NULL) {
DisplayError(_("There is no game list"), 0);
return;
}
if (shellUp[GameListDlg]) {
PopDown(GameListDlg);
return;
}
GenericPopUp(NULL, NULL, GameListDlg, BoardWindow, NONMODAL, appData.topLevel); // first two args ignored when shell exists!
MarkMenu("View.GameList", GameListDlg);
GameListHighlight(lastLoadGameNumber);
}
int
GameListClicks (int direction)
{
int index;
if (glc == NULL || listLength == 0) return 1;
if(direction == 100) { FocusOnWidget(&gamesOptions[0], GameListDlg); return 1; }
index = SelectedListBoxItem(&gamesOptions[0]);
if (index < 0) return 1;
if(page && (index == 0 && direction < 1 || direction == -4)) {
page -= 1000;
if(page < 0) page = 0; // safety
GameListReplace(page);
return 1;
}
if(index == 1001 && direction >= 0 || listEnd == 1001 && direction == 4) {
page += 1000;
GameListReplace(page);
return 1;
}
if(direction != 0) {
int doLoad = abs(direction) == 3;
if(doLoad) direction /= 3;
index += direction;
if(direction < -1) index = 0;
if(direction > 1) index = listEnd-1;
if(index < 0 || index >= listEnd) return 1;
HighlightWithScroll(&gamesOptions[0], index, listEnd);
if(!doLoad) return 1;
}
index = atoi(list[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);
}
return 0;
}
void
SetFilter ()
{
char *name;
GetWidgetText(&gamesOptions[1], &name);
safeStrCpy(filterString, name, sizeof(filterString)/sizeof(filterString[0]));
GameListPrepare(False, False); GameListReplace(0);
UnCaret(); // filter text-edit
FocusOnWidget(&gamesOptions[0], GameListDlg); // listbox
}
void
GameListHighlight (int index)
{
int i=0; char **st;
if (!shellUp[GameListDlg]) return;
st = list;
while(*st && atoi(*st)<index) st++,i++;
HighlightWithScroll(&gamesOptions[0], i, listEnd);
}
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;
}
