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Amiga Plus 1995 #5 & #6
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Amiga Plus CD - 1995 - No. 5 and 6.iso
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netz
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amyboard
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xboard-3.3.pl0
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xgamelist.c
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C/C++ Source or Header
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1995-08-12
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/*
* xgamelist.c -- Game list window, part of X front end for XBoard
* $Id: xgamelist.c,v 1.4 1995/07/28 05:23:42 mann Exp $
*
* Copyright 1995 Free Software Foundation, Inc.
*
* The following terms apply to the enhanced version of XBoard distributed
* by the Free Software Foundation:
* ------------------------------------------------------------------------
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* ------------------------------------------------------------------------
*
* 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/MenuButton.h>
#include <X11/cursorfont.h>
#include <X11/Xaw/Text.h>
#include <X11/Xaw/AsciiText.h>
#include <X11/Xaw/Viewport.h>
#include "common.h"
#include "frontend.h"
#include "backend.h"
#include "xboard.h"
#include "xgamelist.h"
extern Widget formWidget, shellWidget, boardWidget, menuBarWidget;
extern Display *xDisplay;
extern int squareSize;
extern Pixmap xMarkPixmap;
char gameListTranslations[] =
"<Btn1Up>(2): LoadSelectedProc() \n \
<Key>Return: LoadSelectedProc() \n";
typedef struct {
Widget shell;
Position x, y;
Dimension w, h;
Boolean up;
FILE *fp;
char *filename;
char **strings;
} GameListClosure;
Widget
GameListCreate(name, callback, client_data)
char *name;
XtCallbackProc callback;
XtPointer client_data;
{
Arg args[16];
Widget shell, form, viewport, listwidg;
Widget b_load, b_loadprev, b_loadnext, b_close;
Dimension fw_width;
int j;
GameListClosure *glc = (GameListClosure *) client_data;
j = 0;
XtSetArg(args[j], XtNwidth, &fw_width); j++;
XtGetValues(formWidget, args, j);
j = 0;
XtSetArg(args[j], XtNresizable, True); j++;
XtSetArg(args[j], XtNallowShellResize, True); j++;
#if TOPLEVEL
shell =
XtCreatePopupShell(name, topLevelShellWidgetClass,
shellWidget, args, j);
#else
shell =
XtCreatePopupShell(name, transientShellWidgetClass,
shellWidget, args, j);
#endif
j = 0;
form =
XtCreateManagedWidget("form", formWidgetClass, shell, args, j);
j = 0;
XtSetArg(args[j], XtNtop, XtChainTop); j++;
XtSetArg(args[j], XtNbottom, XtChainBottom); j++;
XtSetArg(args[j], XtNleft, XtChainLeft); j++;
XtSetArg(args[j], XtNright, XtChainRight); j++;
XtSetArg(args[j], XtNresizable, False); j++;
XtSetArg(args[j], XtNwidth, fw_width); j++;
XtSetArg(args[j], XtNallowVert, True); j++;
viewport =
XtCreateManagedWidget("viewport", viewportWidgetClass, form, args, j);
j = 0;
XtSetArg(args[j], XtNlist, glc->strings); j++;
XtSetArg(args[j], XtNdefaultColumns, 1); j++;
XtSetArg(args[j], XtNforceColumns, True); j++;
XtSetArg(args[j], XtNverticalList, True); j++;
listwidg =
XtCreateManagedWidget("list", listWidgetClass, viewport, args, j);
XawListHighlight(listwidg, 0);
XtAugmentTranslations(listwidg,
XtParseTranslationTable(gameListTranslations));
j = 0;
XtSetArg(args[j], XtNfromVert, viewport); j++;
XtSetArg(args[j], XtNtop, XtChainBottom); j++;
XtSetArg(args[j], XtNbottom, XtChainBottom); j++;
XtSetArg(args[j], XtNleft, XtChainLeft); j++;
XtSetArg(args[j], XtNright, XtChainLeft); j++;
b_load =
XtCreateManagedWidget("load", commandWidgetClass, form, args, j);
XtAddCallback(b_load, XtNcallback, callback, client_data);
j = 0;
XtSetArg(args[j], XtNfromVert, viewport); j++;
XtSetArg(args[j], XtNfromHoriz, b_load); j++;
XtSetArg(args[j], XtNtop, XtChainBottom); j++;
XtSetArg(args[j], XtNbottom, XtChainBottom); j++;
XtSetArg(args[j], XtNleft, XtChainLeft); j++;
XtSetArg(args[j], XtNright, XtChainLeft); j++;
b_loadprev =
XtCreateManagedWidget("prev", commandWidgetClass, form, args, j);
XtAddCallback(b_loadprev, XtNcallback, callback, client_data);
j = 0;
XtSetArg(args[j], XtNfromVert, viewport); j++;
XtSetArg(args[j], XtNfromHoriz, b_loadprev); j++;
XtSetArg(args[j], XtNtop, XtChainBottom); j++;
XtSetArg(args[j], XtNbottom, XtChainBottom); j++;
XtSetArg(args[j], XtNleft, XtChainLeft); j++;
XtSetArg(args[j], XtNright, XtChainLeft); j++;
b_loadnext =
XtCreateManagedWidget("next", commandWidgetClass, form, args, j);
XtAddCallback(b_loadnext, XtNcallback, callback, client_data);
j = 0;
XtSetArg(args[j], XtNfromVert, viewport); j++;
XtSetArg(args[j], XtNfromHoriz, b_loadnext); j++;
XtSetArg(args[j], XtNtop, XtChainBottom); j++;
XtSetArg(args[j], XtNbottom, XtChainBottom); j++;
XtSetArg(args[j], XtNleft, XtChainLeft); j++;
XtSetArg(args[j], XtNright, XtChainLeft); j++;
b_close =
XtCreateManagedWidget("close", commandWidgetClass, form, args, j);
XtAddCallback(b_close, XtNcallback, callback, client_data);
if (glc->x == -1) {
Position y1;
Dimension h1;
int xx, yy;
Window junk;
j = 0;
XtSetArg(args[j], XtNheight, &h1); j++;
XtSetArg(args[j], XtNy, &y1); j++;
XtGetValues(boardWidget, args, j);
glc->w = fw_width * 3/4;
glc->h = squareSize * 3;
XSync(xDisplay, False);
#ifdef NOTDEF
/* This code seems to tickle an X bug if it is executed too soon
after xboard starts up. The coordinates get transformed as if
the main window was positioned at (0, 0).
*/
XtTranslateCoords(shellWidget, (fw_width - glc->w) / 2,
y1 + (h1 - glc->h + appData.borderYoffset) / 2,
&glc->x, &glc->y);
#else /*!NOTDEF*/
XTranslateCoordinates(xDisplay, XtWindow(shellWidget),
RootWindowOfScreen(XtScreen(shellWidget)),
(fw_width - glc->w) / 2,
y1 + (h1 - glc->h + appData.borderYoffset) / 2,
&xx, &yy, &junk);
glc->x = xx;
glc->y = yy;
#endif /*!NOTDEF*/
}
j = 0;
XtSetArg(args[j], XtNheight, glc->h); j++;
XtSetArg(args[j], XtNwidth, glc->w); j++;
XtSetArg(args[j], XtNx, glc->x - appData.borderXoffset); j++;
XtSetArg(args[j], XtNy, glc->y - appData.borderYoffset); j++;
XtSetValues(shell, args, j);
XtRealizeWidget(shell);
return shell;
}
void
GameListCallback(w, client_data, call_data)
Widget w;
XtPointer client_data, call_data;
{
String name;
Arg args[16];
int j;
Widget listwidg;
GameListClosure *glc = (GameListClosure *) client_data;
XawListReturnStruct *rs;
int index;
j = 0;
XtSetArg(args[j], XtNlabel, &name); j++;
XtGetValues(w, args, j);
if (strcmp(name, "close") == 0) {
GameListPopDown();
return;
}
listwidg = XtNameToWidget(glc->shell, "form.viewport.list");
rs = XawListShowCurrent(listwidg);
if (strcmp(name, "load") == 0) {
index = rs->list_index;
if (index < 0) {
DisplayError("No game selected", 0);
return;
}
} else if (strcmp(name, "next") == 0) {
index = rs->list_index + 1;
if (index >= ((ListGame *) gameList.tailPred)->number) {
DisplayError("Can't go forward any further", 0);
return;
}
XawListHighlight(listwidg, index);
} else if (strcmp(name, "prev") == 0) {
index = rs->list_index - 1;
if (index < 0) {
DisplayError("Can't back up any further", 0);
return;
}
XawListHighlight(listwidg, index);
}
if (cmailMsgLoaded) {
CmailLoadGame(glc->fp, index + 1, glc->filename, True);
} else {
LoadGame(glc->fp, index + 1, glc->filename, True);
}
}
static GameListClosure *glc = NULL;
void
GameListPopUp(fp, filename)
FILE *fp;
char *filename;
{
Arg args[16];
int j, nstrings;
Widget listwidg;
ListGame *lg;
char **st;
if (glc == NULL) {
glc = (GameListClosure *) calloc(1, sizeof(GameListClosure));
glc->x = glc->y = -1;
}
if (glc->strings != NULL) {
st = glc->strings;
while (*st) {
free(*st++);
}
free(glc->strings);
}
nstrings = ((ListGame *) gameList.tailPred)->number;
glc->strings = (char **) malloc((nstrings + 1) * sizeof(char *));
st = glc->strings;
lg = (ListGame *) gameList.head;
while (nstrings--) {
*st++ = GameListLine(lg->number, &lg->gameInfo);
lg = (ListGame *) lg->node.succ;
}
*st = NULL;
glc->fp = fp;
if (glc->filename != NULL) free(glc->filename);
glc->filename = StrSave(filename);
if (glc->shell == NULL) {
glc->shell = GameListCreate(filename, GameListCallback, glc);
} else {
listwidg = XtNameToWidget(glc->shell, "form.viewport.list");
XawListChange(listwidg, glc->strings, 0, 0, True);
XawListHighlight(listwidg, 0);
j = 0;
XtSetArg(args[j], XtNiconName, (XtArgVal) filename); j++;
XtSetArg(args[j], XtNtitle, (XtArgVal) filename); j++;
XtSetValues(glc->shell, args, j);
}
XtPopup(glc->shell, XtGrabNone);
glc->up = True;
j = 0;
XtSetArg(args[j], XtNleftBitmap, xMarkPixmap); j++;
XtSetValues(XtNameToWidget(menuBarWidget, "menuMode.Show Game List"),
args, j);
}
void
GameListDestroy()
{
if (glc == NULL) return;
GameListPopDown();
if (glc->strings != NULL) {
char **st;
st = glc->strings;
while (*st) {
free(*st++);
}
free(glc->strings);
}
free(glc);
glc = NULL;
}
void
ShowGameListProc(w, event, prms, nprms)
Widget w;
XEvent *event;
String *prms;
Cardinal *nprms;
{
Arg args[16];
int j;
if (glc == NULL) {
DisplayError("There is no game list", 0);
return;
}
if (glc->up) {
GameListPopDown();
return;
}
XtPopup(glc->shell, XtGrabNone);
glc->up = True;
j = 0;
XtSetArg(args[j], XtNleftBitmap, xMarkPixmap); j++;
XtSetValues(XtNameToWidget(menuBarWidget, "menuMode.Show Game List"),
args, j);
}
void
LoadSelectedProc(w, event, prms, nprms)
Widget w;
XEvent *event;
String *prms;
Cardinal *nprms;
{
Widget listwidg;
XawListReturnStruct *rs;
int index;
if (glc == NULL) return;
listwidg = XtNameToWidget(glc->shell, "form.viewport.list");
rs = XawListShowCurrent(listwidg);
index = rs->list_index;
if (index < 0) return;
if (cmailMsgLoaded) {
CmailLoadGame(glc->fp, index + 1, glc->filename, True);
} else {
LoadGame(glc->fp, index + 1, glc->filename, True);
}
}
void
GameListPopDown()
{
Arg args[16];
int j;
if (glc == NULL) return;
j = 0;
XtSetArg(args[j], XtNx, &glc->x); j++;
XtSetArg(args[j], XtNy, &glc->y); j++;
XtSetArg(args[j], XtNheight, &glc->h); j++;
XtSetArg(args[j], XtNwidth, &glc->w); j++;
XtGetValues(glc->shell, args, j);
XtPopdown(glc->shell);
XtSetKeyboardFocus(shellWidget, formWidget);
glc->up = False;
j = 0;
XtSetArg(args[j], XtNleftBitmap, None); j++;
XtSetValues(XtNameToWidget(menuBarWidget, "menuMode.Show Game List"),
args, j);
}
void
GameListHighlight(index)
int index;
{
Widget listwidg;
if (glc == NULL || !glc->up) return;
listwidg = XtNameToWidget(glc->shell, "form.viewport.list");
XawListHighlight(listwidg, index - 1);
}