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227ef401dfcde64aecee7fa6ae97c82af66096e2
nethack/win/X11/winX.c
nhmall 227ef401df change NetHack's MACOSX references to MACOS
2021-07-24 17:52:47 -04:00

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/* NetHack 3.7 winX.c $NHDT-Date: 1613985000 2021/02/22 09:10:00 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.102 $ */
/* Copyright (c) Dean Luick, 1992 */
/* NetHack may be freely redistributed. See license for details. */
/*
* "Main" file for the X window-port. This contains most of the interface
* routines. Please see doc/window.doc for an description of the window
* interface.
*/
#ifndef SYSV
#define PRESERVE_NO_SYSV /* X11 include files may define SYSV */
#endif
#ifdef MSDOS /* from compiler */
#define SHORT_FILENAMES
#endif
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <X11/Shell.h>
#include <X11/Xaw/AsciiText.h>
#include <X11/Xaw/Label.h>
#include <X11/Xaw/Form.h>
#include <X11/Xaw/Scrollbar.h>
#include <X11/Xaw/Paned.h>
#include <X11/Xaw/Cardinals.h>
#include <X11/Xatom.h>
#include <X11/Xos.h>
/* for color support */
#ifdef SHORT_FILENAMES
#include <X11/IntrinsP.h>
#else
#include <X11/IntrinsicP.h>
#endif
#ifdef PRESERVE_NO_SYSV
#ifdef SYSV
#undef SYSV
#endif
#undef PRESERVE_NO_SYSV
#endif
#ifdef SHORT_FILENAMES
#undef SHORT_FILENAMES /* hack.h will reset via global.h if necessary */
#endif
#include "hack.h"
#include "winX.h"
#include "dlb.h"
#include "xwindow.h"
#ifndef NO_SIGNAL
#include <signal.h>
#endif
/* Should be defined in <X11/Intrinsic.h> but you never know */
#ifndef XtSpecificationRelease
#define XtSpecificationRelease 0
#endif
/*
* Icons.
*/
#include "../win/X11/nh72icon"
#include "../win/X11/nh56icon"
#include "../win/X11/nh32icon"
static struct icon_info {
const char *name;
unsigned char *bits;
unsigned width, height;
} icon_data[] = { { "nh72", nh72icon_bits, nh72icon_width, nh72icon_height },
{ "nh56", nh56icon_bits, nh56icon_width, nh56icon_height },
{ "nh32", nh32icon_bits, nh32icon_width, nh32icon_height },
{ (const char *) 0, (unsigned char *) 0, 0, 0 } };
/*
* Private global variables (shared among the window port files).
*/
struct xwindow window_list[MAX_WINDOWS];
AppResources appResources;
void (*input_func)(Widget, XEvent *, String *, Cardinal *);
int click_x, click_y, click_button; /* Click position on a map window */
/* (filled by set_button_values()). */
int updated_inventory; /* used to indicate perm_invent updating */
static int (*old_error_handler) (Display *, XErrorEvent *);
#if !defined(NO_SIGNAL) && defined(SAFERHANGUP)
#if XtSpecificationRelease >= 6
#define X11_HANGUP_SIGNAL
static XtSignalId X11_sig_id;
#endif
#endif
/* Interface definition, for windows.c */
struct window_procs X11_procs = {
"X11",
( WC_COLOR | WC_INVERSE | WC_HILITE_PET | WC_ASCII_MAP | WC_TILED_MAP
| WC_PLAYER_SELECTION | WC_PERM_INVENT | WC_MOUSE_SUPPORT ),
/* status requires VIA_WINDOWPORT(); WC2_FLUSH_STATUS ensures that */
( WC2_FLUSH_STATUS | WC2_SELECTSAVED
#ifdef STATUS_HILITES
| WC2_RESET_STATUS | WC2_HILITE_STATUS
#endif
| WC2_MENU_SHIFT ),
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, /* color availability */
X11_init_nhwindows,
X11_player_selection, X11_askname, X11_get_nh_event, X11_exit_nhwindows,
X11_suspend_nhwindows, X11_resume_nhwindows, X11_create_nhwindow,
X11_clear_nhwindow, X11_display_nhwindow, X11_destroy_nhwindow, X11_curs,
X11_putstr, genl_putmixed, X11_display_file, X11_start_menu, X11_add_menu,
X11_end_menu, X11_select_menu,
genl_message_menu, /* no need for X-specific handling */
X11_update_inventory, X11_mark_synch, X11_wait_synch,
#ifdef CLIPPING
X11_cliparound,
#endif
#ifdef POSITIONBAR
donull,
#endif
X11_print_glyph, X11_raw_print, X11_raw_print_bold, X11_nhgetch,
X11_nh_poskey, X11_nhbell, X11_doprev_message, X11_yn_function,
X11_getlin, X11_get_ext_cmd, X11_number_pad, X11_delay_output,
#ifdef CHANGE_COLOR /* only a Mac option currently */
donull, donull,
#endif
/* other defs that really should go away (they're tty specific) */
X11_start_screen, X11_end_screen,
#ifdef GRAPHIC_TOMBSTONE
X11_outrip,
#else
genl_outrip,
#endif
X11_preference_update, X11_getmsghistory, X11_putmsghistory,
X11_status_init, X11_status_finish, X11_status_enablefield,
X11_status_update,
genl_can_suspend_no, /* XXX may not always be correct */
};
/*
* Local functions.
*/
static winid find_free_window(void);
#ifdef TEXTCOLOR
static void nhFreePixel(XtAppContext, XrmValuePtr, XtPointer, XrmValuePtr,
Cardinal *);
#endif
static boolean new_resource_macro(String, unsigned);
static void load_default_resources(void);
static void release_default_resources(void);
static int panic_on_error(Display *, XErrorEvent *);
#ifdef X11_HANGUP_SIGNAL
static void X11_sig(int);
static void X11_sig_cb(XtPointer, XtSignalId *);
#endif
static void d_timeout(XtPointer, XtIntervalId *);
static void X11_hangup(Widget, XEvent *, String *, Cardinal *);
static void X11_bail(const char *) NORETURN;
static void askname_delete(Widget, XEvent *, String *, Cardinal *);
static void askname_done(Widget, XtPointer, XtPointer);
static void done_button(Widget, XtPointer, XtPointer);
static void getline_delete(Widget, XEvent *, String *, Cardinal *);
static void abort_button(Widget, XtPointer, XtPointer);
static void release_getline_widgets(void);
static void yn_delete(Widget, XEvent *, String *, Cardinal *);
static void yn_key(Widget, XEvent *, String *, Cardinal *);
static void release_yn_widgets(void);
static int input_event(int);
static void win_visible(Widget, XtPointer, XEvent *, Boolean *);
static void init_standard_windows(void);
/*
* Local variables.
*/
static boolean x_inited = FALSE; /* TRUE if window system is set up. */
static winid message_win = WIN_ERR, /* These are the winids of the message, */
map_win = WIN_ERR, /* map, and status windows, when they */
status_win = WIN_ERR; /* are created in init_windows(). */
static Pixmap icon_pixmap = None; /* Pixmap for icon. */
void
X11_putmsghistory(const char *msg, boolean is_restoring)
{
if (WIN_MESSAGE != WIN_ERR) {
struct xwindow *wp = &window_list[WIN_MESSAGE];
debugpline2("X11_putmsghistory('%s',%i)", msg, is_restoring);
if (msg)
append_message(wp, msg);
}
}
char *
X11_getmsghistory(boolean init)
{
if (WIN_MESSAGE != WIN_ERR) {
static struct line_element *curr = (struct line_element *) 0;
static int numlines = 0;
struct xwindow *wp = &window_list[WIN_MESSAGE];
if (init)
curr = (struct line_element *) 0;
if (!curr) {
curr = wp->mesg_information->head;
numlines = 0;
}
if (numlines < wp->mesg_information->num_lines) {
curr = curr->next;
numlines++;
debugpline2("X11_getmsghistory(%i)='%s'", init, curr->line);
return curr->line;
}
}
return (char *) 0;
}
/*
* Find the window structure that corresponds to the given widget. Note
* that this is not the popup widget, nor the viewport, but the child.
*/
struct xwindow *
find_widget(Widget w)
{
int windex;
struct xwindow *wp;
/*
* Search to find the corresponding window. Look at the main widget,
* popup, the parent of the main widget, then parent of the widget.
*/
for (windex = 0, wp = window_list; windex < MAX_WINDOWS; windex++, wp++)
if (wp->type != NHW_NONE && (wp->w == w || wp->popup == w
|| (wp->w && (XtParent(wp->w)) == w)
|| (wp->popup == XtParent(w))))
break;
if (windex == MAX_WINDOWS)
panic("find_widget: can't match widget");
return wp;
}
/*
* Find a free window slot for use.
*/
static winid
find_free_window(void)
{
int windex;
struct xwindow *wp;
for (windex = 0, wp = &window_list[0]; windex < MAX_WINDOWS;
windex++, wp++)
if (wp->type == NHW_NONE)
break;
if (windex == MAX_WINDOWS)
panic("find_free_window: no free windows!");
return (winid) windex;
}
XColor
get_nhcolor(struct xwindow *wp, int clr)
{
init_menu_nhcolors(wp);
/* FIXME: init_menu_nhcolors may fail */
if (clr >= 0 && clr < CLR_MAX)
return wp->nh_colors[clr];
return wp->nh_colors[0];
}
void
init_menu_nhcolors(struct xwindow *wp)
{
static const char *mapCLR_to_res[CLR_MAX] = {
XtNblack,
XtNred,
XtNgreen,
XtNbrown,
XtNblue,
XtNmagenta,
XtNcyan,
XtNgray,
XtNforeground,
XtNorange,
XtNbright_green,
XtNyellow,
XtNbright_blue,
XtNbright_magenta,
XtNbright_cyan,
XtNwhite,
};
static const char *wintypenames[NHW_TEXT] = {
"message", "status", "map", "menu", "text"
};
Display *dpy;
Colormap screen_colormap;
XrmDatabase rDB;
XrmValue value;
Status rc;
int color;
char *ret_type[32];
char wtn_up[20], clr_name[BUFSZ], clrclass[BUFSZ];
const char *wtn;
if (wp->nh_colors_inited || !wp->type)
return;
wtn = wintypenames[wp->type - 1];
Strcpy(wtn_up, wtn);
(void) upstart(wtn_up);
dpy = XtDisplay(wp->w);
screen_colormap = DefaultColormap(dpy, DefaultScreen(dpy));
rDB = XrmGetDatabase(dpy);
for (color = 0; color < CLR_MAX; color++) {
Sprintf(clr_name, "nethack.%s.%s", wtn, mapCLR_to_res[color]);
Sprintf(clrclass, "NetHack.%s.%s", wtn_up, mapCLR_to_res[color]);
if (!XrmGetResource(rDB, clr_name, clrclass, ret_type, &value)) {
Sprintf(clr_name, "nethack.map.%s", mapCLR_to_res[color]);
Sprintf(clrclass, "NetHack.Map.%s", mapCLR_to_res[color]);
}
if (!XrmGetResource(rDB, clr_name, clrclass, ret_type, &value)) {
impossible("XrmGetResource error (%s)", clr_name);
} else if (!strcmp(ret_type[0], "String")) {
char tmpbuf[256];
if (value.size >= sizeof tmpbuf)
value.size = sizeof tmpbuf - 1;
(void) strncpy(tmpbuf, (char *) value.addr, (int) value.size);
tmpbuf[value.size] = '\0';
/* tmpbuf now contains the color name from the named resource */
rc = XAllocNamedColor(dpy, screen_colormap, tmpbuf,
&wp->nh_colors[color],
&wp->nh_colors[color]);
if (rc == 0) {
impossible("XAllocNamedColor failed for color %i (%s)",
color, clr_name);
}
}
}
wp->nh_colors_inited = TRUE;
}
/*
* Color conversion. The default X11 color converters don't try very
* hard to find matching colors in PseudoColor visuals. If they can't
* allocate the exact color, they puke and give you something stupid.
* This is an attempt to find some close readonly cell and use it.
*/
XtConvertArgRec const nhcolorConvertArgs[] = {
{ XtWidgetBaseOffset,
(XtPointer) (ptrdiff_t) XtOffset(Widget, core.screen),
sizeof (Screen *) },
{ XtWidgetBaseOffset,
(XtPointer) (ptrdiff_t) XtOffset(Widget, core.colormap),
sizeof (Colormap) }
};
#define done(type, value) \
{ \
if (toVal->addr != 0) { \
if (toVal->size < sizeof(type)) { \
toVal->size = sizeof(type); \
return False; \
} \
*(type *)(toVal->addr) = (value); \
} else { \
static type static_val; \
static_val = (value); \
toVal->addr = (genericptr_t) &static_val; \
} \
toVal->size = sizeof(type); \
return True; \
}
/*
* Find a color that approximates the color named in "str".
* The "str" color may be a color name ("red") or number ("#7f0000").
* If str is Null, then "color" is assumed to contain the RGB color wanted.
* The approximate color found is returned in color as well.
* Return True if something close was found.
*/
Boolean
nhApproxColor(Screen *screen, /* screen to use */
Colormap colormap, /* the colormap to use */
char *str, /* color name */
XColor *color) /* the X color structure; changed only if successful */
{
int ncells;
long cdiff = 16777216; /* 2^24; hopefully our map is smaller */
XColor tmp;
static XColor *table = 0;
register int i, j;
register long tdiff;
/* if the screen doesn't have a big colormap, don't waste our time
or if it's huge, and _some_ match should have been possible */
if ((ncells = CellsOfScreen(screen)) < 256 || ncells > 4096)
return False;
if (str != (char *) 0) {
if (!XParseColor(DisplayOfScreen(screen), colormap, str, &tmp))
return False;
} else {
tmp = *color;
tmp.flags = 7; /* force to use all 3 of RGB */
}
if (!table) {
table = (XColor *) XtCalloc(ncells, sizeof(XColor));
for (i = 0; i < ncells; i++)
table[i].pixel = i;
XQueryColors(DisplayOfScreen(screen), colormap, table, ncells);
}
/* go thru cells and look for the one with smallest diff */
/* diff is calculated abs(reddiff)+abs(greendiff)+abs(bluediff) */
/* a more knowledgeable color person might improve this -dlc */
try_again:
for (i = 0; i < ncells; i++) {
if (table[i].flags == tmp.flags) {
j = (int) table[i].red - (int) tmp.red;
if (j < 0)
j = -j;
tdiff = j;
j = (int) table[i].green - (int) tmp.green;
if (j < 0)
j = -j;
tdiff += j;
j = (int) table[i].blue - (int) tmp.blue;
if (j < 0)
j = -j;
tdiff += j;
if (tdiff < cdiff) {
cdiff = tdiff;
tmp.pixel = i; /* table[i].pixel == i */
}
}
}
if (cdiff == 16777216)
return False; /* nothing found?! */
/*
* Found something. Return it and mark this color as used to avoid
* reuse. Reuse causes major contrast problems :-)
*/
*color = table[tmp.pixel];
table[tmp.pixel].flags = 0;
/* try to alloc the color, so no one else can change it */
if (!XAllocColor(DisplayOfScreen(screen), colormap, color)) {
cdiff = 16777216;
goto try_again;
}
return True;
}
Boolean
nhCvtStringToPixel(Display *dpy, XrmValuePtr args, Cardinal *num_args,
XrmValuePtr fromVal, XrmValuePtr toVal,
XtPointer *closure_ret)
{
String str = (String) fromVal->addr;
XColor screenColor;
XColor exactColor;
Screen *screen;
XtAppContext app = XtDisplayToApplicationContext(dpy);
Colormap colormap;
Status status;
String params[1];
Cardinal num_params = 1;
if (*num_args != 2) {
XtAppWarningMsg(app, "wrongParameters",
"cvtStringToPixel", "XtToolkitError",
"String to pixel conversion needs screen and colormap arguments",
(String *) 0, (Cardinal *) 0);
return False;
}
screen = *((Screen **) args[0].addr);
colormap = *((Colormap *) args[1].addr);
/* If Xt colors, use the Xt routine and hope for the best */
#if (XtSpecificationRelease >= 5)
if ((strcmpi(str, XtDefaultBackground) == 0)
|| (strcmpi(str, XtDefaultForeground) == 0)) {
return XtCvtStringToPixel(dpy, args, num_args, fromVal, toVal,
closure_ret);
}
#else
if (strcmpi(str, XtDefaultBackground) == 0) {
*closure_ret = (char *) False;
done(Pixel, WhitePixelOfScreen(screen));
}
if (strcmpi(str, XtDefaultForeground) == 0) {
*closure_ret = (char *) False;
done(Pixel, BlackPixelOfScreen(screen));
}
#endif
status = XAllocNamedColor(DisplayOfScreen(screen), colormap, (char *) str,
&screenColor, &exactColor);
if (status == 0) {
String msg, type;
/* some versions of XAllocNamedColor don't allow #xxyyzz names */
if (str[0] == '#' && XParseColor(DisplayOfScreen(screen), colormap,
str, &exactColor)
&& XAllocColor(DisplayOfScreen(screen), colormap, &exactColor)) {
*closure_ret = (char *) True;
done(Pixel, exactColor.pixel);
}
params[0] = str;
/* Server returns a specific error code but Xlib discards it. Ugh */
if (XLookupColor(DisplayOfScreen(screen), colormap, (char *) str,
&exactColor, &screenColor)) {
/* try to find another color that will do */
if (nhApproxColor(screen, colormap, (char *) str, &screenColor)) {
*closure_ret = (char *) True;
done(Pixel, screenColor.pixel);
}
type = nhStr("noColormap");
msg = nhStr("Cannot allocate colormap entry for \"%s\"");
} else {
/* some versions of XLookupColor also don't allow #xxyyzz names */
if (str[0] == '#'
&& (nhApproxColor(screen, colormap, (char *) str,
&screenColor))) {
*closure_ret = (char *) True;
done(Pixel, screenColor.pixel);
}
type = nhStr("badValue");
msg = nhStr("Color name \"%s\" is not defined");
}
XtAppWarningMsg(app, type, "cvtStringToPixel", "XtToolkitError", msg,
params, &num_params);
*closure_ret = False;
return False;
} else {
*closure_ret = (char *) True;
done(Pixel, screenColor.pixel);
}
}
/* Ask the WM for window frame size */
void
get_window_frame_extents(Widget w,
long *top, long *bottom,
long *left, long *right)
{
XEvent event;
Display *dpy = XtDisplay(w);
Window win = XtWindow(w);
Atom prop, retprop;
int retfmt;
unsigned long nitems;
unsigned long nbytes;
unsigned char *data = 0;
long *extents;
prop = XInternAtom(dpy, "_NET_FRAME_EXTENTS", True);
if (prop == None) {
/*
* FIXME!
*/
#ifdef MACOS
/*
* Default window manager doesn't support _NET_FRAME_EXTENTS.
* Without this position tweak, the persistent inventory window
* creeps downward by approximately the height of its title bar
* and also a smaller amount to the left every time it gets
* updated. Caveat: amount determined by trial and error and
* could change depending upon monitor resolution....
*/
*top = 22;
*left = 0;
#endif
return;
}
while (XGetWindowProperty(dpy, win, prop,
0, 4, False, AnyPropertyType,
&retprop, &retfmt,
&nitems, &nbytes, &data) != Success
|| nitems != 4 || nbytes != 0) {
XNextEvent(dpy, &event);
}
extents = (long *) data;
*left = extents[0];
*right = extents[1];
*top = extents[2];
*bottom = extents[3];
}
void
get_widget_window_geometry(Widget w, int *x, int *y, int *width, int *height)
{
long top, bottom, left, right;
Arg args[5];
XtSetArg(args[0], nhStr(XtNx), x);
XtSetArg(args[1], nhStr(XtNy), y);
XtSetArg(args[2], nhStr(XtNwidth), width);
XtSetArg(args[3], nhStr(XtNheight), height);
XtGetValues(w, args, 4);
get_window_frame_extents(w, &top, &bottom, &left, &right);
*x -= left;
*y -= top;
}
/* Change the full font name string so the weight is "bold" */
char *
fontname_boldify(const char *fontname)
{
static char buf[BUFSZ];
char *bufp = buf;
int idx = 0;
while (*fontname) {
if (*fontname == '-')
idx++;
*bufp = *fontname;
if (idx == 3) {
strcat(buf, "bold");
bufp += 5;
do {
fontname++;
} while (*fontname && *fontname != '-');
} else {
bufp++;
fontname++;
}
}
*bufp = '\0';
return buf;
}
void
load_boldfont(struct xwindow *wp, Widget w)
{
Arg args[1];
XFontStruct *fs;
unsigned long ret;
char *fontname;
Display *dpy;
if (wp->boldfs)
return;
XtSetArg(args[0], nhStr(XtNfont), &fs);
XtGetValues(w, args, 1);
if (!XGetFontProperty(fs, XA_FONT, &ret))
return;
wp->boldfs_dpy = dpy = XtDisplay(w);
fontname = fontname_boldify(XGetAtomName(dpy, (Atom)ret));
wp->boldfs = XLoadQueryFont(dpy, fontname);
}
#ifdef TEXTCOLOR
/* ARGSUSED */
static void
nhFreePixel(XtAppContext app,
XrmValuePtr toVal,
XtPointer closure,
XrmValuePtr args,
Cardinal *num_args)
{
Screen *screen;
Colormap colormap;
if (*num_args != 2) {
XtAppWarningMsg(app, "wrongParameters", "freePixel", "XtToolkitError",
"Freeing a pixel requires screen and colormap arguments",
(String *) 0, (Cardinal *) 0);
return;
}
screen = *((Screen **) args[0].addr);
colormap = *((Colormap *) args[1].addr);
if (closure) {
XFreeColors(DisplayOfScreen(screen), colormap,
(unsigned long *) toVal->addr, 1, (unsigned long) 0);
}
}
#endif /*TEXTCOLOR*/
/* [ALI] Utility function to ask Xaw for font height, since the previous
* assumption of ascent + descent is not always valid.
*/
Dimension
nhFontHeight(Widget w)
{
#ifdef _XawTextSink_h
Widget sink;
XawTextPosition pos = 0;
int resWidth, resHeight;
Arg args[1];
XtSetArg(args[0], XtNtextSink, &sink);
XtGetValues(w, args, 1);
XawTextSinkFindPosition(sink, pos, 0, 0, 0, &pos, &resWidth, &resHeight);
return resHeight;
#else
XFontStruct *fs;
Arg args[1];
XtSetArg(args[0], XtNfont, &fs);
XtGetValues(w, args, 1);
/* Assume font height is ascent + descent. */
return = fs->ascent + fs->descent;
#endif
}
static String *default_resource_data = 0, /* NULL-terminated arrays */
*def_rsrc_macr = 0, /* macro names */
*def_rsrc_valu = 0; /* macro values */
/* caller found "#define"; parse into macro name and its expansion value */
static boolean
new_resource_macro(String inbuf, /* points past '#define' rather than to start of buffer */
unsigned numdefs) /* array slot to fill */
{
String p, q;
/* we expect inbuf to be terminated by newline; get rid of it */
q = eos(inbuf);
if (q > inbuf && q[-1] == '\n')
q[-1] = '\0';
/* figure out macro's name */
for (p = inbuf; *p == ' ' || *p == '\t'; ++p)
continue; /* skip whitespace */
for (q = p; *q && *q != ' ' && *q != '\t'; ++q)
continue; /* token consists of non-whitespace */
Strcat(q, " "); /* guarantee something beyond '#define FOO' */
*q++ = '\0'; /* p..(q-1) contains macro name */
if (!*p) /* invalid definition: '#define' followed by nothing */
return FALSE;
def_rsrc_macr[numdefs] = dupstr(p);
/* figure out macro's value; empty value is supported but not expected */
while (*q == ' ' || *q == '\t')
++q; /* skip whitespace between name and value */
for (p = eos(q); --p > q && (*p == ' ' || *p == '\t'); )
continue; /* discard trailing whitespace */
*++p = '\0'; /* q..p containes macro value */
def_rsrc_valu[numdefs] = dupstr(q);
return TRUE;
}
/* read the template NetHack.ad into default_resource_data[] to supply
fallback resources to XtAppInitialize() */
static void
load_default_resources(void)
{
FILE *fp;
String inbuf;
unsigned insiz, linelen, longlen, numlines, numdefs, midx;
boolean comment, isdef;
/*
* Running nethack via the shell script adds $HACKDIR to the path used
* by X to find resources, but running it directly doesn't. So, if we
* can find the template file for NetHack.ad in the current directory,
* load its contents into memory so that the application startup call
* in X11_init_nhwindows() can use them as fallback resources.
*
* No attempt to support the 'include' directive has been made, nor
* backslash+newline continuation lines. Macro expansion (at most
* one substitution per line) is supported. '#define' to introduce
* a macro must be at start of line (no whitespace before or after
* the '#' character).
*/
fp = fopen("./NetHack.ad", "r");
if (!fp)
return;
/* measure the file without retaining its contents */
insiz = BUFSIZ; /* stdio BUFSIZ, not nethack BUFSZ */
inbuf = (String) alloc(insiz);
linelen = longlen = 0;
numlines = numdefs = 0;
comment = isdef = FALSE; /* lint suppression */
while (fgets(inbuf, insiz, fp)) {
if (!linelen) {
/* !linelen: inbuf has start of record; treat empty as comment */
comment = (*inbuf == '!' || *inbuf == '\n');
isdef = !strncmp(inbuf, "#define", 7);
++numdefs;
}
linelen += strlen(inbuf);
if (!index(inbuf, '\n'))
continue;
if (linelen > longlen)
longlen = linelen;
linelen = 0;
if (!comment && !isdef)
++numlines;
}
insiz = longlen + 1;
if (numdefs) { /* don't alloc if 0; no need for any terminator */
def_rsrc_macr = (String *) alloc(numdefs * sizeof (String));
def_rsrc_valu = (String *) alloc(numdefs * sizeof (String));
insiz += BUFSIZ; /* include room for macro expansion within buffer */
}
if (insiz > BUFSIZ) {
free((genericptr_t) inbuf);
inbuf = (String) alloc(insiz);
}
++numlines; /* room for terminator */
default_resource_data = (String *) alloc(numlines * sizeof (String));
/* now re-read the file, storing its contents into the allocated array
after performing macro substitutions */
(void) rewind(fp);
numlines = numdefs = 0;
while (fgets(inbuf, insiz, fp)) {
if (!strncmp(inbuf, "#define", 7)) {
if (new_resource_macro(&inbuf[7], numdefs))
++numdefs;
} else if (*inbuf != '!' && *inbuf != '\n') {
if (numdefs) {
/*
* Macro expansion: we assume at most one substitution
* per line. That's all that our sample NetHack.ad uses.
*
* If we ever need more, this will have to become a lot
* more sophisticated. It will need to find the first
* instance within inbuf[] rather than first macro which
* appears, and to avoid finding names within substituted
* expansion values.
*
* Any substitution which would exceed the buffer size is
* skipped. A sophisticated implementation would need to
* be prepared to allocate a bigger buffer when needed.
*/
linelen = strlen(inbuf);
for (midx = 0; midx < numdefs; ++midx) {
if ((linelen + strlen(def_rsrc_valu[midx])
< insiz - strlen(def_rsrc_macr[midx]))
&& strNsubst(inbuf, def_rsrc_macr[midx],
def_rsrc_valu[midx], 1))
break;
}
}
default_resource_data[numlines++] = dupstr(inbuf);
}
}
default_resource_data[numlines] = (String) 0;
(void) fclose(fp);
free((genericptr_t) inbuf);
if (def_rsrc_macr) { /* implies def_rsrc_valu is non-Null too */
for (midx = 0; midx < numdefs; ++midx) {
free((genericptr_t) def_rsrc_macr[midx]);
free((genericptr_t) def_rsrc_valu[midx]);
}
free((genericptr_t) def_rsrc_macr), def_rsrc_macr = 0;
free((genericptr_t) def_rsrc_valu), def_rsrc_valu = 0;
}
}
static void
release_default_resources(void)
{
if (default_resource_data) {
unsigned idx;
for (idx = 0; default_resource_data[idx]; idx++)
free((genericptr_t) default_resource_data[idx]);
free((genericptr_t) default_resource_data), default_resource_data = 0;
}
/* def_rsrc_macr[] and def_rsrc_valu[] have already been released */
}
/* Global Functions ======================================================= */
void
X11_raw_print(const char *str)
{
(void) puts(str);
}
void
X11_raw_print_bold(const char *str)
{
(void) puts(str);
}
void
X11_curs(winid window, int x, int y)
{
check_winid(window);
if (x < 0 || x >= COLNO) {
impossible("curs: bad x value [%d]", x);
x = 0;
}
if (y < 0 || y >= ROWNO) {
impossible("curs: bad y value [%d]", y);
y = 0;
}
window_list[window].cursx = x;
window_list[window].cursy = y;
}
void
X11_putstr(winid window, int attr, const char *str)
{
winid new_win;
struct xwindow *wp;
check_winid(window);
wp = &window_list[window];
switch (wp->type) {
case NHW_MESSAGE:
(void) strncpy(g.toplines, str, TBUFSZ); /* for Norep(). */
g.toplines[TBUFSZ - 1] = 0;
append_message(wp, str);
break;
#ifndef STATUS_HILITES
case NHW_STATUS:
adjust_status(wp, str);
break;
#endif
case NHW_MAP:
impossible("putstr: called on map window \"%s\"", str);
break;
case NHW_MENU:
if (wp->menu_information->is_menu) {
impossible("putstr: called on a menu window, \"%s\" discarded",
str);
break;
}
/*
* Change this menu window into a text window by creating a
* new text window, then copying it to this winid.
*/
new_win = X11_create_nhwindow(NHW_TEXT);
X11_destroy_nhwindow(window);
*wp = window_list[new_win];
window_list[new_win].type = NHW_NONE; /* allow re-use */
/* fall through */
case NHW_TEXT:
add_to_text_window(wp, attr, str);
break;
default:
impossible("putstr: unknown window type [%d] \"%s\"", wp->type, str);
}
}
/* We do event processing as a callback, so this is a null routine. */
void
X11_get_nh_event(void)
{
return;
}
int
X11_nhgetch(void)
{
return input_event(EXIT_ON_KEY_PRESS);
}
int
X11_nh_poskey(int *x, int *y, int *mod)
{
int val = input_event(EXIT_ON_KEY_OR_BUTTON_PRESS);
if (val == 0) { /* user clicked on a map window */
*x = click_x;
*y = click_y;
*mod = click_button;
}
return val;
}
winid
X11_create_nhwindow(int type)
{
winid window;
struct xwindow *wp;
if (!x_inited)
panic("create_nhwindow: windows not initialized");
#ifdef X11_HANGUP_SIGNAL
/* set up our own signal handlers on the first call. Can't do this in
* X11_init_nhwindows because unixmain sets its handler after calling
* all the init routines. */
if (X11_sig_id == 0) {
X11_sig_id = XtAppAddSignal(app_context, X11_sig_cb, (XtPointer) 0);
#ifdef SA_RESTART
{
struct sigaction sact;
(void) memset((char *) &sact, 0, sizeof(struct sigaction));
sact.sa_handler = (SIG_RET_TYPE) X11_sig;
(void) sigaction(SIGHUP, &sact, (struct sigaction *) 0);
#ifdef SIGXCPU
(void) sigaction(SIGXCPU, &sact, (struct sigaction *) 0);
#endif
}
#else
(void) signal(SIGHUP, (SIG_RET_TYPE) X11_sig);
#ifdef SIGXCPU
(void) signal(SIGXCPU, (SIG_RET_TYPE) X11_sig);
#endif
#endif
}
#endif
/*
* We have already created the standard message, map, and status
* windows in the window init routine. The first window of that
* type to be created becomes the standard.
*
* A better way to do this would be to say that init_nhwindows()
* has already defined these three windows.
*/
if (type == NHW_MAP && map_win != WIN_ERR) {
window = map_win;
map_win = WIN_ERR;
return window;
}
if (type == NHW_MESSAGE && message_win != WIN_ERR) {
window = message_win;
message_win = WIN_ERR;
return window;
}
if (type == NHW_STATUS && status_win != WIN_ERR) {
window = status_win;
status_win = WIN_ERR;
return window;
}
window = find_free_window();
wp = &window_list[window];
/* The create routines will set type, popup, w, and Win_info. */
wp->prevx = wp->prevy = wp->cursx = wp->cursy = wp->pixel_width =
wp->pixel_height = 0;
wp->keep_window = FALSE;
wp->nh_colors_inited = FALSE;
wp->boldfs = (XFontStruct *) 0;
wp->boldfs_dpy = (Display *) 0;
wp->title = (char *) 0;
switch (type) {
case NHW_MAP:
create_map_window(wp, TRUE, (Widget) 0);
break;
case NHW_MESSAGE:
create_message_window(wp, TRUE, (Widget) 0);
break;
case NHW_STATUS:
create_status_window(wp, TRUE, (Widget) 0);
break;
case NHW_MENU:
create_menu_window(wp);
break;
case NHW_TEXT:
create_text_window(wp);
break;
default:
panic("create_nhwindow: unknown type [%d]", type);
break;
}
return window;
}
void
X11_clear_nhwindow(winid window)
{
struct xwindow *wp;
check_winid(window);
wp = &window_list[window];
switch (wp->type) {
case NHW_MAP:
clear_map_window(wp);
break;
case NHW_TEXT:
clear_text_window(wp);
break;
case NHW_STATUS:
case NHW_MENU:
case NHW_MESSAGE:
/* do nothing for these window types */
break;
default:
panic("clear_nhwindow: unknown window type [%d]", wp->type);
break;
}
}
void
X11_display_nhwindow(winid window, boolean blocking)
{
struct xwindow *wp;
check_winid(window);
wp = &window_list[window];
switch (wp->type) {
case NHW_MAP:
if (wp->popup)
nh_XtPopup(wp->popup, (int) XtGrabNone, wp->w);
display_map_window(wp); /* flush map */
/*
* We need to flush the message window here due to the way the tty
* port is set up. To flush a window, you need to call this
* routine. However, the tty port _pauses_ with a --more-- if we
* do a display_nhwindow(WIN_MESSAGE, FALSE). Thus, we can't call
* display_nhwindow(WIN_MESSAGE,FALSE) in parse() because then we
* get a --more-- after every line.
*
* Perhaps the window document should mention that when the map
* is flushed, everything on the three main windows should be
* flushed. Note: we don't need to flush the status window
* because we don't buffer changes.
*/
if (WIN_MESSAGE != WIN_ERR)
display_message_window(&window_list[WIN_MESSAGE]);
if (blocking)
(void) x_event(EXIT_ON_KEY_OR_BUTTON_PRESS);
break;
case NHW_MESSAGE:
if (wp->popup)
nh_XtPopup(wp->popup, (int) XtGrabNone, wp->w);
display_message_window(wp); /* flush messages */
break;
case NHW_STATUS:
if (wp->popup)
nh_XtPopup(wp->popup, (int) XtGrabNone, wp->w);
break; /* no flushing necessary */
case NHW_MENU: {
int n;
menu_item *selected;
/* pop up menu */
n = X11_select_menu(window, PICK_NONE, &selected);
if (n) {
impossible("perminvent: %d selected??", n);
free((genericptr_t) selected);
}
break;
}
case NHW_TEXT:
display_text_window(wp, blocking); /* pop up text window */
break;
default:
panic("display_nhwindow: unknown window type [%d]", wp->type);
break;
}
}
void
X11_destroy_nhwindow(winid window)
{
struct xwindow *wp;
check_winid(window);
wp = &window_list[window];
/*
* "Zap" known windows, but don't destroy them. We need to keep the
* toplevel widget popped up so that later windows (e.g. tombstone)
* are visible on DECWindow systems. This is due to the virtual
* roots that the DECWindow wm creates.
*/
if (window == WIN_MESSAGE) {
wp->keep_window = TRUE;
WIN_MESSAGE = WIN_ERR;
iflags.window_inited = 0;
} else if (window == WIN_MAP) {
wp->keep_window = TRUE;
WIN_MAP = WIN_ERR;
} else if (window == WIN_STATUS) {
wp->keep_window = TRUE;
WIN_STATUS = WIN_ERR;
} else if (window == WIN_INVEN) {
/* don't need to keep this one */
WIN_INVEN = WIN_ERR;
}
if (wp->boldfs) {
XFreeFont(wp->boldfs_dpy, wp->boldfs);
wp->boldfs = (XFontStruct *) 0;
wp->boldfs_dpy = (Display *) 0;
}
if (wp->title) {
free(wp->title);
wp->title = (char *) 0;
}
switch (wp->type) {
case NHW_MAP:
destroy_map_window(wp);
break;
case NHW_MENU:
destroy_menu_window(wp);
break;
case NHW_TEXT:
destroy_text_window(wp);
break;
case NHW_STATUS:
destroy_status_window(wp);
break;
case NHW_MESSAGE:
destroy_message_window(wp);
break;
default:
panic("destroy_nhwindow: unknown window type [%d]", wp->type);
break;
}
}
/* display persistent inventory in its own window */
void
X11_update_inventory(int arg)
{
struct xwindow *wp = 0;
if (!x_inited)
return;
if (iflags.perm_invent) {
/* skip any calls to update_inventory() before in_moveloop starts */
if (g.program_state.in_moveloop || g.program_state.gameover) {
updated_inventory = 1; /* hack to avoid mapping&raising window */
if (!arg) {
(void) display_inventory((char *) 0, FALSE);
} else {
x11_scroll_perminv(arg);
}
updated_inventory = 0;
}
} else if ((wp = &window_list[WIN_INVEN]) != 0
&& wp->type == NHW_MENU && wp->menu_information->is_up) {
/* persistent inventory is up but perm_invent is off, take it down */
x11_no_perminv(wp);
}
return;
}
/* The current implementation has all of the saved lines on the screen. */
int
X11_doprev_message(void)
{
return 0;
}
void
X11_nhbell(void)
{
/* We can't use XBell until toplevel has been initialized. */
if (x_inited)
XBell(XtDisplay(toplevel), 0);
/* else print ^G ?? */
}
void
X11_mark_synch(void)
{
if (x_inited) {
/*
* The window document is unclear about the status of text
* that has been pline()d but not displayed w/display_nhwindow().
* Both the main and tty code assume that a pline() followed
* by mark_synch() results in the text being seen, even if
* display_nhwindow() wasn't called. Duplicate this behavior.
*/
if (WIN_MESSAGE != WIN_ERR)
display_message_window(&window_list[WIN_MESSAGE]);
XSync(XtDisplay(toplevel), False);
}
}
void
X11_wait_synch(void)
{
if (x_inited)
XFlush(XtDisplay(toplevel));
}
/* Both resume_ and suspend_ are called from ioctl.c and unixunix.c. */
void
X11_resume_nhwindows(void)
{
return;
}
/* ARGSUSED */
void
X11_suspend_nhwindows(const char *str)
{
nhUse(str);
return;
}
/* Under X, we don't need to initialize the number pad. */
/* ARGSUSED */
void
X11_number_pad(int state) /* called from options.c */
{
nhUse(state);
return;
}
/* called from setftty() in unixtty.c */
void
X11_start_screen(void)
{
return;
}
/* called from settty() in unixtty.c */
void
X11_end_screen(void)
{
return;
}
#ifdef GRAPHIC_TOMBSTONE
void
X11_outrip(winid window, int how, time_t when)
{
struct xwindow *wp;
FILE *rip_fp = 0;
check_winid(window);
wp = &window_list[window];
/* make sure the graphical tombstone is available; it's not easy to
revert to the ASCII-art text tombstone once we're past this point */
if (appResources.tombstone && *appResources.tombstone)
rip_fp = fopen(appResources.tombstone, "r"); /* "rip.xpm" */
if (!rip_fp) {
genl_outrip(window, how, when);
return;
}
(void) fclose(rip_fp);
if (wp->type == NHW_TEXT) {
wp->text_information->is_rip = TRUE;
} else {
panic("ripout on non-text window (window type [%d])", wp->type);
}
calculate_rip_text(how, when);
}
#endif
/* init and exit nhwindows ------------------------------------------------ */
XtAppContext app_context; /* context of application */
Widget toplevel = (Widget) 0; /* toplevel widget */
Atom wm_delete_window; /* pop down windows */
static XtActionsRec actions[] = {
{ nhStr("dismiss_text"), dismiss_text }, /* text widget button action */
{ nhStr("delete_text"), delete_text }, /* text widget delete action */
{ nhStr("key_dismiss_text"), key_dismiss_text }, /* text key action */
#ifdef GRAPHIC_TOMBSTONE
{ nhStr("rip_dismiss_text"), rip_dismiss_text }, /* rip in text widget */
#endif
{ nhStr("menu_key"), menu_key }, /* menu accelerators */
{ nhStr("yn_key"), yn_key }, /* yn accelerators */
{ nhStr("yn_delete"), yn_delete }, /* yn delete-window */
{ nhStr("askname_delete"), askname_delete }, /* askname delete-window */
{ nhStr("getline_delete"), getline_delete }, /* getline delete-window */
{ nhStr("menu_delete"), menu_delete }, /* menu delete-window */
{ nhStr("ec_key"), ec_key }, /* extended commands */
{ nhStr("ec_delete"), ec_delete }, /* ext-com menu delete */
{ nhStr("ps_key"), ps_key }, /* player selection */
{ nhStr("plsel_quit"), plsel_quit }, /* player selection dialog */
{ nhStr("plsel_play"), plsel_play }, /* player selection dialog */
{ nhStr("plsel_rnd"), plsel_randomize }, /* player selection dialog */
{ nhStr("race_key"), race_key }, /* race selection */
{ nhStr("gend_key"), gend_key }, /* gender selection */
{ nhStr("algn_key"), algn_key }, /* alignment selection */
{ nhStr("X11_hangup"), X11_hangup }, /* delete of top-level */
{ nhStr("input"), map_input }, /* key input */
{ nhStr("scroll"), nh_keyscroll }, /* scrolling by keys */
};
static XtResource resources[] = {
{ nhStr("slow"), nhStr("Slow"), XtRBoolean, sizeof(Boolean),
XtOffset(AppResources *, slow), XtRString, nhStr("True") },
{ nhStr("fancy_status"), nhStr("Fancy_status"),
XtRBoolean, sizeof(Boolean),
XtOffset(AppResources *, fancy_status), XtRString, nhStr("True") },
{ nhStr("autofocus"), nhStr("AutoFocus"), XtRBoolean, sizeof(Boolean),
XtOffset(AppResources *, autofocus), XtRString, nhStr("False") },
{ nhStr("message_line"), nhStr("Message_line"), XtRBoolean,
sizeof(Boolean), XtOffset(AppResources *, message_line), XtRString,
nhStr("False") },
{ nhStr("highlight_prompt"), nhStr("Highlight_prompt"), XtRBoolean,
sizeof(Boolean), XtOffset(AppResources *, highlight_prompt), XtRString,
nhStr("True") },
{ nhStr("double_tile_size"), nhStr("Double_tile_size"), XtRBoolean,
sizeof(Boolean), XtOffset(AppResources *, double_tile_size), XtRString,
nhStr("False") },
{ nhStr("tile_file"), nhStr("Tile_file"), XtRString, sizeof(String),
XtOffset(AppResources *, tile_file), XtRString, nhStr("x11tiles") },
{ nhStr("icon"), nhStr("Icon"), XtRString, sizeof(String),
XtOffset(AppResources *, icon), XtRString, nhStr("nh72") },
{ nhStr("message_lines"), nhStr("Message_lines"), XtRInt, sizeof(int),
XtOffset(AppResources *, message_lines), XtRString, nhStr("12") },
{ nhStr("extcmd_height_delta"), nhStr("Extcmd_height_delta"),
XtRInt, sizeof (int),
XtOffset(AppResources *, extcmd_height_delta), XtRString, nhStr("0") },
{ nhStr("pet_mark_bitmap"), nhStr("Pet_mark_bitmap"), XtRString,
sizeof(String), XtOffset(AppResources *, pet_mark_bitmap), XtRString,
nhStr("pet_mark.xbm") },
{ nhStr("pet_mark_color"), nhStr("Pet_mark_color"), XtRPixel,
sizeof(XtRPixel), XtOffset(AppResources *, pet_mark_color), XtRString,
nhStr("Red") },
{ nhStr("pilemark_bitmap"), nhStr("Pilemark_bitmap"), XtRString,
sizeof(String), XtOffset(AppResources *, pilemark_bitmap), XtRString,
nhStr("pilemark.xbm") },
{ nhStr("pilemark_color"), nhStr("Pilemark_color"), XtRPixel,
sizeof(XtRPixel), XtOffset(AppResources *, pilemark_color), XtRString,
nhStr("Green") },
#ifdef GRAPHIC_TOMBSTONE
{ nhStr("tombstone"), nhStr("Tombstone"), XtRString, sizeof(String),
XtOffset(AppResources *, tombstone), XtRString, nhStr("rip.xpm") },
{ nhStr("tombtext_x"), nhStr("Tombtext_x"), XtRInt, sizeof(int),
XtOffset(AppResources *, tombtext_x), XtRString, nhStr("155") },
{ nhStr("tombtext_y"), nhStr("Tombtext_y"), XtRInt, sizeof(int),
XtOffset(AppResources *, tombtext_y), XtRString, nhStr("78") },
{ nhStr("tombtext_dx"), nhStr("Tombtext_dx"), XtRInt, sizeof(int),
XtOffset(AppResources *, tombtext_dx), XtRString, nhStr("0") },
{ nhStr("tombtext_dy"), nhStr("Tombtext_dy"), XtRInt, sizeof(int),
XtOffset(AppResources *, tombtext_dy), XtRString, nhStr("13") },
#endif
};
static int
panic_on_error(Display *display, XErrorEvent *error)
{
char buf[BUFSZ];
XGetErrorText(display, error->error_code, buf, BUFSZ);
fprintf(stderr,
"X Error: code %i (%s), request %i, minor %i, serial %lu\n",
error->error_code, buf,
error->request_code, error->minor_code, error->serial);
panic("X Error");
return 0;
}
static void
X11_error_handler(String str)
{
nhUse(str);
hangup(1);
}
static int
X11_io_error_handler(Display *display)
{
nhUse(display);
hangup(1);
return 0;
}
void
X11_init_nhwindows(int *argcp, char **argv)
{
int i;
Cardinal num_args;
Arg args[4];
uid_t savuid;
/* Init windows to nothing. */
for (i = 0; i < MAX_WINDOWS; i++)
window_list[i].type = NHW_NONE;
/* add another option that can be set */
set_wc_option_mod_status(WC_TILED_MAP, set_in_game);
set_option_mod_status("mouse_support", set_in_game);
load_default_resources(); /* create default_resource_data[] */
/*
* setuid hack: make sure that if nethack is setuid, to use real uid
* when opening X11 connections, in case the user is using xauth, since
* the "games" or whatever user probably doesn't have permission to open
* a window on the user's display. This code is harmless if the binary
* is not installed setuid. See include/system.h on compilation failures.
*/
savuid = geteuid();
(void) seteuid(getuid());
XSetIOErrorHandler((XIOErrorHandler) X11_io_error_handler);
num_args = 0;
XtSetArg(args[num_args], XtNallowShellResize, True); num_args++;
XtSetArg(args[num_args], XtNtitle, "NetHack"); num_args++;
toplevel = XtAppInitialize(&app_context, "NetHack", /* application */
(XrmOptionDescList) 0, 0, /* options list */
argcp, (String *) argv, /* command line */
default_resource_data, /* fallback resources */
(ArgList) args, num_args);
XtOverrideTranslations(toplevel,
XtParseTranslationTable("<Message>WM_PROTOCOLS: X11_hangup()"));
/* We don't need to realize the top level widget. */
old_error_handler = XSetErrorHandler(panic_on_error);
#ifdef TEXTCOLOR
/* add new color converter to deal with overused colormaps */
XtSetTypeConverter(XtRString, XtRPixel, nhCvtStringToPixel,
(XtConvertArgList) nhcolorConvertArgs,
XtNumber(nhcolorConvertArgs), XtCacheByDisplay,
nhFreePixel);
#endif /* TEXTCOLOR */
/* Register the actions mentioned in "actions". */
XtAppAddActions(app_context, actions, XtNumber(actions));
/* Get application-wide resources */
XtGetApplicationResources(toplevel, (XtPointer) &appResources, resources,
XtNumber(resources), (ArgList) 0, ZERO);
/* Initialize other things. */
init_standard_windows();
/* Give the window manager an icon to use; toplevel must be realized. */
if (appResources.icon && *appResources.icon) {
struct icon_info *ip;
for (ip = icon_data; ip->name; ip++)
if (!strcmp(appResources.icon, ip->name)) {
icon_pixmap = XCreateBitmapFromData(
XtDisplay(toplevel), XtWindow(toplevel),
(genericptr_t) ip->bits, ip->width, ip->height);
if (icon_pixmap != None) {
XWMHints hints;
(void) memset((genericptr_t) &hints, 0, sizeof(XWMHints));
hints.flags = IconPixmapHint;
hints.icon_pixmap = icon_pixmap;
XSetWMHints(XtDisplay(toplevel), XtWindow(toplevel),
&hints);
}
break;
}
}
/* end of setuid hack: reset uid back to the "games" uid */
(void) seteuid(savuid);
x_inited = TRUE; /* X is now initialized */
plsel_ask_name = FALSE;
release_default_resources();
/* Display the startup banner in the message window. */
for (i = 1; i <= 4 + 2; ++i) /* (values beyond 4 yield blank lines) */
X11_putstr(WIN_MESSAGE, 0, copyright_banner_line(i));
}
/*
* All done.
*/
/* ARGSUSED */
void
X11_exit_nhwindows(const char *dummy)
{
extern Pixmap tile_pixmap; /* from winmap.c */
nhUse(dummy);
/* explicitly free the icon and tile pixmaps */
if (icon_pixmap != None) {
XFreePixmap(XtDisplay(toplevel), icon_pixmap);
icon_pixmap = None;
}
if (tile_pixmap != None) {
XFreePixmap(XtDisplay(toplevel), tile_pixmap);
tile_pixmap = None;
}
if (WIN_INVEN != WIN_ERR)
X11_destroy_nhwindow(WIN_INVEN);
if (WIN_STATUS != WIN_ERR)
X11_destroy_nhwindow(WIN_STATUS);
if (WIN_MAP != WIN_ERR)
X11_destroy_nhwindow(WIN_MAP);
if (WIN_MESSAGE != WIN_ERR)
X11_destroy_nhwindow(WIN_MESSAGE);
release_getline_widgets();
release_yn_widgets();
}
#ifdef X11_HANGUP_SIGNAL
static void
X11_sig(int sig) /* Unix signal handler */
{
XtNoticeSignal(X11_sig_id);
hangup(sig);
}
static void
X11_sig_cb(XtPointer not_used, XtSignalId *id)
{
XEvent event;
XClientMessageEvent *mesg;
nhUse(not_used);
nhUse(id);
/* Set up a fake message to the event handler. */
mesg = (XClientMessageEvent *) &event;
mesg->type = ClientMessage;
mesg->message_type = XA_STRING;
mesg->format = 8;
XSendEvent(XtDisplay(window_list[WIN_MAP].w),
XtWindow(window_list[WIN_MAP].w), False, NoEventMask,
(XEvent *) mesg);
}
#endif
/* delay_output ----------------------------------------------------------- */
/*
* Timeout callback for delay_output(). Send a fake message to the map
* window.
*/
/* ARGSUSED */
static void
d_timeout(XtPointer client_data, XtIntervalId *id)
{
XEvent event;
XClientMessageEvent *mesg;
nhUse(client_data);
nhUse(id);
/* Set up a fake message to the event handler. */
mesg = (XClientMessageEvent *) &event;
mesg->type = ClientMessage;
mesg->message_type = XA_STRING;
mesg->format = 8;
XSendEvent(XtDisplay(window_list[WIN_MAP].w),
XtWindow(window_list[WIN_MAP].w), False, NoEventMask,
(XEvent *) mesg);
}
/*
* Delay for 50ms. This is not implemented asynch. Maybe later.
* Start the timeout, then wait in the event loop. The timeout
* function will send an event to the map window which will be waiting
* for a sent event.
*/
void
X11_delay_output(void)
{
if (!x_inited)
return;
(void) XtAppAddTimeOut(app_context, 30L, d_timeout, (XtPointer) 0);
/* The timeout function will enable the event loop exit. */
(void) x_event(EXIT_ON_SENT_EVENT);
}
/* X11_hangup ------------------------------------------------------------- */
/* ARGSUSED */
static void
X11_hangup(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
nhUse(w);
nhUse(event);
nhUse(params);
nhUse(num_params);
hangup(1); /* 1 is commonly SIGHUP, but ignored anyway */
exit_x_event = TRUE;
}
/* X11_bail --------------------------------------------------------------- */
/* clean up and quit */
static void
X11_bail(const char *mesg)
{
g.program_state.something_worth_saving = 0;
clearlocks();
X11_exit_nhwindows(mesg);
nh_terminate(EXIT_SUCCESS);
/*NOTREACHED*/
}
/* askname ---------------------------------------------------------------- */
/* ARGSUSED */
static void
askname_delete(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
nhUse(event);
nhUse(params);
nhUse(num_params);
nh_XtPopdown(w);
(void) strcpy(g.plname, "Mumbles"); /* give them a name... ;-) */
exit_x_event = TRUE;
}
/* Callback for askname dialog widget. */
/* ARGSUSED */
static void
askname_done(Widget w, XtPointer client_data, XtPointer call_data)
{
unsigned len;
char *s;
Widget dialog = (Widget) client_data;
nhUse(w);
nhUse(call_data);
s = (char *) GetDialogResponse(dialog);
len = strlen(s);
if (len == 0) {
X11_nhbell();
return;
}
/* Truncate name if necessary */
if (len >= sizeof g.plname - 1)
len = sizeof g.plname - 1;
(void) strncpy(g.plname, s, len);
g.plname[len] = '\0';
XtFree(s);
nh_XtPopdown(XtParent(dialog));
exit_x_event = TRUE;
}
/* ask player for character's name to replace generic name "player" (or other
values; see config.h) after 'nethack -u player' or OPTIONS=name:player */
void
X11_askname(void)
{
Widget popup, dialog;
Arg args[1];
#ifdef SELECTSAVED
if (iflags.wc2_selectsaved && !iflags.renameinprogress)
switch (restore_menu(WIN_MAP)) {
case -1: /* quit */
X11_bail("Until next time then...");
/*NOTREACHED*/
case 0: /* no game chosen; start new game */
break;
case 1: /* save game selected, plname[] has been set */
return;
}
#else
nhUse(X11_bail);
#endif /* SELECTSAVED */
if (iflags.wc_player_selection == VIA_DIALOG) {
/* X11_player_selection_dialog() handles name query */
plsel_ask_name = TRUE;
iflags.defer_plname = TRUE;
return;
} /* else iflags.wc_player_selection == VIA_PROMPTS */
XtSetArg(args[0], XtNallowShellResize, True);
popup = XtCreatePopupShell("askname", transientShellWidgetClass, toplevel,
args, ONE);
XtOverrideTranslations(popup,
XtParseTranslationTable("<Message>WM_PROTOCOLS: askname_delete()"));
dialog = CreateDialog(popup, nhStr("dialog"), askname_done,
(XtCallbackProc) 0);
SetDialogPrompt(dialog, nhStr("What is your name?")); /* set prompt */
SetDialogResponse(dialog, g.plname, PL_NSIZ); /* set default answer */
XtRealizeWidget(popup);
positionpopup(popup, TRUE); /* center,bottom */
nh_XtPopup(popup, (int) XtGrabExclusive, dialog);
/* The callback will enable the event loop exit. */
(void) x_event(EXIT_ON_EXIT);
/* tty's character selection uses this; we might someday;
since we let user pick an arbitrary name now, he/she can
pick another one during role selection */
iflags.renameallowed = TRUE;
XtDestroyWidget(dialog);
XtDestroyWidget(popup);
}
/* getline ---------------------------------------------------------------- */
/* This uses Tim Theisen's dialog widget set (from GhostView). */
static Widget getline_popup, getline_dialog;
#define CANCEL_STR "\033"
static char *getline_input; /* buffer to hold user input; getline's output */
/* Callback for getline dialog widget. */
/* ARGSUSED */
static void
done_button(Widget w, XtPointer client_data, XtPointer call_data)
{
int len;
char *s;
Widget dialog = (Widget) client_data;
nhUse(w);
nhUse(call_data);
s = (char *) GetDialogResponse(dialog);
len = strlen(s);
/* Truncate input if necessary */
if (len >= BUFSZ)
len = BUFSZ - 1;
(void) strncpy(getline_input, s, len);
getline_input[len] = '\0';
XtFree(s);
nh_XtPopdown(XtParent(dialog));
exit_x_event = TRUE;
}
/* ARGSUSED */
static void
getline_delete(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
nhUse(event);
nhUse(params);
nhUse(num_params);
Strcpy(getline_input, CANCEL_STR);
nh_XtPopdown(w);
exit_x_event = TRUE;
}
/* Callback for getline dialog widget. */
/* ARGSUSED */
static void
abort_button(Widget w, XtPointer client_data, XtPointer call_data)
{
Widget dialog = (Widget) client_data;
nhUse(w);
nhUse(call_data);
Strcpy(getline_input, CANCEL_STR);
nh_XtPopdown(XtParent(dialog));
exit_x_event = TRUE;
}
static void
release_getline_widgets(void)
{
if (getline_dialog)
XtDestroyWidget(getline_dialog), getline_dialog = (Widget) 0;
if (getline_popup)
XtDestroyWidget(getline_popup), getline_popup = (Widget) 0;
}
/* ask user for a line of text */
void
X11_getlin(const char *question, /* prompt */
char *input) /* user's input, getlin's _output_ buffer */
{
getline_input = input; /* used by popup actions */
flush_screen(1); /* tell core to make sure that map is up to date */
if (!getline_popup) {
Arg args[1];
XtSetArg(args[0], XtNallowShellResize, True);
getline_popup = XtCreatePopupShell("getline",
transientShellWidgetClass,
toplevel, args, ONE);
XtOverrideTranslations(getline_popup,
XtParseTranslationTable(
"<Message>WM_PROTOCOLS: getline_delete()"));
getline_dialog = CreateDialog(getline_popup, nhStr("dialog"),
done_button, abort_button);
XtRealizeWidget(getline_popup);
XSetWMProtocols(XtDisplay(getline_popup), XtWindow(getline_popup),
&wm_delete_window, 1);
}
SetDialogPrompt(getline_dialog, (String) question); /* set prompt */
/* 60: make the answer widget be wide enough to hold 60 characters,
or the length of the prompt string, whichever is bigger. User's
response can be longer--when limit is reached, value-so-far will
slide left hiding some chars at the beginning of the response but
making room to type more. [Prior to 3.6.1, width wasn't specifiable
and answer box always got sized to match the width of the prompt.] */
#ifdef EDIT_GETLIN
SetDialogResponse(getline_dialog, input, 60); /* set default answer */
#else
SetDialogResponse(getline_dialog, nhStr(""), 60); /* set default answer */
#endif
positionpopup(getline_popup, TRUE); /* center,bottom */
nh_XtPopup(getline_popup, (int) XtGrabExclusive, getline_dialog);
/* The callback will enable the event loop exit. */
(void) x_event(EXIT_ON_EXIT);
/* we get here after the popup has exited;
put prompt and response into the message window (and into
core's dumplog history) unless play hasn't started yet */
if (g.program_state.in_moveloop || g.program_state.gameover) {
/* single space has meaning (to remove a previously applied name) so
show it clearly; don't care about legibility of multiple spaces */
const char *visanswer = !input[0] ? "<empty>"
: (input[0] == ' ' && !input[1]) ? "<space>"
: (input[0] == '\033') ? "<esc>"
: input;
int promptlen = (int) strlen(question),
answerlen = (int) strlen(visanswer);
/* prompt should be limited to QBUFSZ-1 by caller; enforce that
here for the echoed value; answer could be up to BUFSZ-1 long;
pline() will truncate the whole message to that amount so we
truncate the answer for display; this only affects the echoed
response, not the actual response being returned to the core */
if (promptlen >= QBUFSZ)
promptlen = QBUFSZ - 1;
if (answerlen + 1 + promptlen >= BUFSZ) /* +1: separating space */
answerlen = BUFSZ - (1 + promptlen) - 1;
pline("%.*s %.*s", promptlen, question, answerlen, visanswer);
}
/* clear static pointer that's about to go stale */
getline_input = 0;
}
/* Display file ----------------------------------------------------------- */
/* uses a menu (with no selectors specified) rather than a text window
to allow previous_page and first_menu actions to move backwards */
void
X11_display_file(const char *str, boolean complain)
{
dlb *fp;
winid newwin;
struct xwindow *wp;
anything any;
menu_item *menu_list;
#define LLEN 128
char line[LLEN];
/* Use the port-independent file opener to see if the file exists. */
fp = dlb_fopen(str, RDTMODE);
if (!fp) {
if (complain)
pline("Cannot open %s. Sorry.", str);
return; /* it doesn't exist, ignore */
}
newwin = X11_create_nhwindow(NHW_MENU);
wp = &window_list[newwin];
X11_start_menu(newwin, MENU_BEHAVE_STANDARD);
any = cg.zeroany;
while (dlb_fgets(line, LLEN, fp)) {
X11_add_menu(newwin, &nul_glyphinfo, &any, 0, 0, ATR_NONE,
line, MENU_ITEMFLAGS_NONE);
}
(void) dlb_fclose(fp);
/* show file name as the window title */
if (str)
wp->title = dupstr(str);
wp->menu_information->permi = FALSE;
wp->menu_information->disable_mcolors = TRUE;
(void) X11_select_menu(newwin, PICK_NONE, &menu_list);
X11_destroy_nhwindow(newwin);
}
/* yn_function ------------------------------------------------------------ */
/* (not threaded) */
static const char *yn_quitchars = " \n\r";
static const char *yn_choices; /* string of acceptable input */
static char yn_def;
static char yn_return; /* return value */
static char yn_esc_map; /* ESC maps to this char. */
static Widget yn_popup; /* popup for the yn fuction (created once) */
static Widget yn_label; /* label for yn function (created once) */
static boolean yn_getting_num; /* TRUE if accepting digits */
static boolean yn_preserve_case; /* default is to force yn to lower case */
static boolean yn_no_default; /* don't convert ESC or quitchars to def */
static int yn_ndigits; /* digit count */
static long yn_val; /* accumulated value */
static const char yn_translations[] = "#override\n\
<Key>: yn_key()";
/*
* Convert the given key event into a character. If the key maps to
* more than one character only the first is returned. If there is
* no conversion (i.e. just the CTRL key hit) a NUL is returned.
*/
char
key_event_to_char(XKeyEvent *key)
{
char keystring[MAX_KEY_STRING];
int nbytes;
boolean meta = !!(key->state & Mod1Mask);
nbytes = XLookupString(key, keystring, MAX_KEY_STRING, (KeySym *) 0,
(XComposeStatus *) 0);
/* Modifier keys return a zero lengh string when pressed. */
if (nbytes == 0)
return '\0';
return (char) (((int) keystring[0]) + (meta ? 0x80 : 0));
}
/*
* Called when we get a WM_DELETE_WINDOW event on a yn window.
*/
/* ARGSUSED */
static void
yn_delete(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
nhUse(w);
nhUse(event);
nhUse(params);
nhUse(num_params);
yn_getting_num = FALSE;
/* Only use yn_esc_map if we have choices. Otherwise, return ESC. */
yn_return = yn_choices ? yn_esc_map : '\033';
exit_x_event = TRUE; /* exit our event handler */
}
/*
* Called when we get a key press event on a yn window.
*/
/* ARGSUSED */
static void
yn_key(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
char ch;
if (appResources.slow && !input_func)
map_input(w, event, params, num_params);
ch = key_event_to_char((XKeyEvent *) event);
if (ch == '\0') { /* don't accept nul char or modifier event */
/* no bell */
return;
}
if (!yn_choices /* accept any input */
|| (yn_no_default && (ch == '\033' || index(yn_quitchars, ch)))) {
yn_return = ch;
} else {
if (!yn_preserve_case)
ch = lowc(ch); /* move to lower case */
if (ch == '\033') {
yn_getting_num = FALSE;
yn_return = yn_esc_map;
} else if (index(yn_quitchars, ch)) {
yn_return = yn_def;
} else if (index(yn_choices, ch)) {
if (ch == '#') {
if (yn_getting_num) { /* don't select again */
X11_nhbell();
return;
}
yn_getting_num = TRUE;
yn_ndigits = 0;
yn_val = 0;
return; /* wait for more input */
}
yn_return = ch;
if (ch != 'y')
yn_getting_num = FALSE;
} else {
if (yn_getting_num) {
if (digit(ch)) {
yn_ndigits++;
yn_val = (yn_val * 10) + (long) (ch - '0');
return; /* wait for more input */
}
if (yn_ndigits && (ch == '\b' || ch == 127 /*DEL*/)) {
yn_ndigits--;
yn_val = yn_val / 10;
return; /* wait for more input */
}
}
X11_nhbell(); /* no match */
return;
}
if (yn_getting_num) {
yn_return = '#';
if (yn_val < 0)
yn_val = 0;
yn_number = yn_val; /* assign global */
}
}
exit_x_event = TRUE; /* exit our event handler */
}
/* called at exit time */
static void
release_yn_widgets(void)
{
if (yn_label)
XtDestroyWidget(yn_label), yn_label = (Widget) 0;
if (yn_popup)
XtDestroyWidget(yn_popup), yn_popup = (Widget) 0;
}
/* guts of the X11_yn_function(), not to be confused with core code;
requires an extra argument: ynflags */
char
X11_yn_function_core(
const char *ques, /* prompt text */
const char *choices, /* allowed response chars; any char if Null */
char def, /* default if user hits <space> or <return> */
unsigned ynflags) /* flags; currently just log-it or not */
{
static XFontStruct *yn_font = 0;
static Dimension yn_minwidth = 0;
char buf[BUFSZ], buf2[BUFSZ];
Arg args[4];
Cardinal num_args;
boolean suppress_logging = (ynflags & YN_NO_LOGMESG) != 0U,
no_default_cnvrt = (ynflags & YN_NO_DEFAULT) != 0U;
yn_choices = choices; /* set up globals for callback to use */
yn_def = def;
yn_no_default = no_default_cnvrt;
yn_preserve_case = !choices; /* preserve case when an arbitrary
* response is allowed */
/*
* This is sort of a kludge. There are quite a few places in the main
* nethack code where a pline containing information is followed by a
* call to yn_function(). There is no flush of the message window
* (it is implicit in the tty window port), so the line never shows
* up for us! Solution: do our own flush.
*/
if (WIN_MESSAGE != WIN_ERR)
display_message_window(&window_list[WIN_MESSAGE]);
if (choices) {
char *cb, choicebuf[QBUFSZ];
Strcpy(choicebuf, choices); /* anything beyond <esc> is hidden */
/* default when choices are present is to force yn answer to
lowercase unless one or more choices are explicitly uppercase;
check this before stripping the hidden choices */
for (cb = choicebuf; *cb; ++cb)
if ('A' <= *cb && *cb <= 'Z') {
yn_preserve_case = TRUE;
break;
}
if ((cb = index(choicebuf, '\033')) != 0)
*cb = '\0';
/* ques [choices] (def) */
int ln = ((int) strlen(ques) /* prompt text */
+ 3 /* " []" */
+ (int) strlen(choicebuf) /* choices within "[]" */
+ 4 /* " (c)" */
+ 1 /* a trailing space */
+ 1); /* \0 terminator */
if (ln >= BUFSZ)
panic("X11_yn_function: question too long (%d)", ln);
Snprintf(buf, sizeof buf, "%.*s [%s]", QBUFSZ - 1, ques, choicebuf);
if (def)
Sprintf(eos(buf), " (%c)", def);
Strcat(buf, " ");
/* escape maps to 'q' or 'n' or default, in that order */
yn_esc_map = (index(choices, 'q') ? 'q'
: index(choices, 'n') ? 'n'
: def);
} else {
int ln = ((int) strlen(ques) /* prompt text */
+ 1 /* a trailing space */
+ 1); /* \0 terminator */
if (ln >= BUFSZ)
panic("X11_yn_function: question too long (%d)", ln);
Strcpy(buf, ques);
Strcat(buf, " ");
}
/* for popup-style, add some extra elbow room to the prompt to
enhance its visibility; there's no cursor shown, just the text */
if (!appResources.slow) {
/* insert one leading space and two extra trailing spaces */
Strcpy(buf2, buf);
Snprintf(buf, sizeof buf, " %s ", buf2);
}
/*
* The 'slow' resource is misleadingly named. When it is True, we
* re-use the same one-line widget above the map for all yn prompt
* responses instead of re-using a popup widget for each one. It's
* crucial for client/server configs where the server is slow putting
* up a popup or requires click-to-focus to respond to the popup, but
* is also useful for players who just want to be able to look at the
* same location to read questions they're being asked to answer.
*/
if (appResources.slow) {
/*
* 'slow' is True: the yn_label widget was created when the map
* and status widgets were, and is positioned between them. It
* will persist until end of game. All we need to do for
* yn_function is direct keystroke input to the yn response
* handler and reset its label to be the prompt text (below).
*/
input_func = yn_key;
highlight_yn(FALSE); /* expose yn_label as separate from map */
} else {
/*
* 'slow' is False; create a persistent widget that will be popped
* up as needed, then down again, and last until end of game. The
* associated yn_label widget is used to track whether it exists.
*/
if (!yn_label) {
XtSetArg(args[0], XtNallowShellResize, True);
yn_popup = XtCreatePopupShell("query", transientShellWidgetClass,
toplevel, args, ONE);
XtOverrideTranslations(yn_popup,
XtParseTranslationTable("<Message>WM_PROTOCOLS: yn_delete()"));
num_args = 0;
XtSetArg(args[num_args], nhStr(XtNjustify), XtJustifyLeft);
num_args++;
XtSetArg(args[num_args], XtNtranslations,
XtParseTranslationTable(yn_translations)); num_args++;
yn_label = XtCreateManagedWidget("yn_label", labelWidgetClass,
yn_popup, args, num_args);
XtRealizeWidget(yn_popup);
XSetWMProtocols(XtDisplay(yn_popup), XtWindow(yn_popup),
&wm_delete_window, 1);
/* get font that will be used; we'll need it to measure text */
(void) memset((genericptr_t) args, 0, sizeof args);
XtSetArg(args[0], nhStr(XtNfont), &yn_font);
XtGetValues(yn_label, args, ONE);
/* set up minimum yn_label width; we don't actually set
the XtNminWidth attribute */
(void) memset(buf2, 'X', 25), buf2[25] = '\0'; /* 25 'X's */
yn_minwidth = (Dimension) XTextWidth(yn_font, buf2,
(int) strlen(buf2));
}
}
/* set the label of the yn widget to be the prompt text */
(void) memset((genericptr_t) args, 0, sizeof args);
num_args = 0;
XtSetArg(args[num_args], XtNlabel, buf); num_args++;
XtSetValues(yn_label, args, num_args);
/* for !slow, pop up the prompt+response widget */
if (!appResources.slow) {
/*
* Setting the text doesn't always perform a resize when it
* should. We used to just set the text a second time, but that
* wasn't a reliable workaround, at least on OSX with XQuartz.
* This seems to work reliably.
*
* It also enforces a minimum prompt width, which wasn't being
* done before, so that really short prompts are more noticeable
* if they pop up where the pointer is parked and it happens to
* be setting somewhere the player isn't looking.
*/
Dimension promptwidth, labelwidth = 0;
(void) memset((genericptr_t) args, 0, sizeof args);
num_args = 0;
XtSetArg(args[num_args], XtNwidth, &labelwidth); num_args++;
XtGetValues(yn_label, args, num_args);
promptwidth = (Dimension) XTextWidth(yn_font, buf, (int) strlen(buf));
if (labelwidth != promptwidth || labelwidth < yn_minwidth) {
labelwidth = max(promptwidth, yn_minwidth);
(void) memset((genericptr_t) args, 0, sizeof args);
num_args = 0;
XtSetArg(args[num_args], XtNwidth, labelwidth); num_args++;
XtSetValues(yn_label, args, num_args);
}
positionpopup(yn_popup, TRUE);
nh_XtPopup(yn_popup, (int) XtGrabExclusive, yn_label);
}
yn_getting_num = FALSE;
(void) x_event(EXIT_ON_EXIT); /* get keystroke(s) */
/* erase or remove the prompt */
if (appResources.slow) {
(void) memset((genericptr_t) args, 0, sizeof args);
num_args = 0;
XtSetArg(args[num_args], XtNlabel, " "); num_args++;
XtSetValues(yn_label, args, num_args);
input_func = 0; /* keystrokes now belong to the map */
highlight_yn(FALSE); /* disguise yn_label as part of map */
} else {
nh_XtPopdown(yn_popup); /* this removes the event grab */
}
if (!suppress_logging) {
char *p = trimspaces(buf); /* remove !slow's extra whitespace */
pline("%s %s", p, (yn_return == '\033') ? "ESC" : visctrl(yn_return));
}
return yn_return;
}
/* X11-specific edition of yn_function(), the routine called by the core
to show a prompt and get a single key answer, often 'y' vs 'n' */
char
X11_yn_function(
const char *ques, /* prompt text */
const char *choices, /* allowed response chars; any char if Null */
char def) /* default if user hits <space> or <return> */
{
char res = X11_yn_function_core(ques, choices, def, YN_NORMAL);
return res;
}
/* used when processing window-capability-specific run-time options;
we support toggling tiles on and off via iflags.wc_tiled_map */
void
X11_preference_update(const char *pref)
{
if (!strcmp(pref, "tiled_map")) {
if (WIN_MAP != WIN_ERR)
display_map_window(&window_list[WIN_MAP]);
} else if (!strcmp(pref, "perm_invent")) {
; /* TODO... */
}
}
/* End global functions =================================================== */
/*
* Before we wait for input via nhgetch() and nh_poskey(), we need to
* do some pre-processing.
*/
static int
input_event(int exit_condition)
{
if (appResources.fancy_status && WIN_STATUS != WIN_ERR)
check_turn_events(); /* hilighting on the fancy status window */
if (WIN_MAP != WIN_ERR) /* make sure cursor is not clipped */
check_cursor_visibility(&window_list[WIN_MAP]);
if (WIN_MESSAGE != WIN_ERR) /* reset pause line */
set_last_pause(&window_list[WIN_MESSAGE]);
return x_event(exit_condition);
}
/*ARGSUSED*/
void
msgkey(Widget w, XtPointer data, XEvent *event, Boolean *continue_to_dispatch)
{
Cardinal num = 0;
nhUse(w);
nhUse(data);
nhUse(continue_to_dispatch);
map_input(window_list[WIN_MAP].w, event, (String *) 0, &num);
}
/* only called for autofocus */
/*ARGSUSED*/
static void
win_visible(Widget w, XtPointer data, /* client_data not used */
XEvent *event,
Boolean *flag) /* continue_to_dispatch flag not used */
{
XVisibilityEvent *vis_event = (XVisibilityEvent *) event;
nhUse(data);
nhUse(flag);
if (vis_event->state != VisibilityFullyObscured) {
/* one-time operation; cancel ourself */
XtRemoveEventHandler(toplevel, VisibilityChangeMask, False,
win_visible, (XtPointer) 0);
/* grab initial input focus */
XSetInputFocus(XtDisplay(w), XtWindow(w), RevertToNone, CurrentTime);
}
}
/* if 'slow' and 'highlight_prompt', set the yn_label widget to look like
part of the map when idle or to invert background and foreground when
a prompt is active */
void
highlight_yn(boolean init)
{
struct xwindow *xmap;
if (!appResources.slow || !appResources.highlight_prompt)
return;
/* first time through, WIN_MAP isn't fully initiialized yet */
xmap = ((map_win != WIN_ERR) ? &window_list[map_win]
: (WIN_MAP != WIN_ERR) ? &window_list[WIN_MAP] : 0);
if (init && xmap) {
Arg args[2];
XGCValues vals;
unsigned long fg_bg = (GCForeground | GCBackground);
GC gc = (xmap->map_information->is_tile
? xmap->map_information->tile_map.white_gc
: xmap->map_information->text_map.copy_gc);
(void) memset((genericptr_t) &vals, 0, sizeof vals);
if (XGetGCValues(XtDisplay(xmap->w), gc, fg_bg, &vals)) {
XtSetArg(args[0], XtNforeground, vals.foreground);
XtSetArg(args[1], XtNbackground, vals.background);
XtSetValues(yn_label, args, TWO);
}
} else
swap_fg_bg(yn_label);
}
/*
* Set up the playing console. This has three major parts: the
* message window, the map, and the status window.
*
* For configs specifying the 'slow' resource, the yn_label widget
* is placed above the map and below the message window. Prompts
* requiring a single character response are displayed there rather
* than using a popup.
*/
static void
init_standard_windows(void)
{
Widget form, message_viewport, map_viewport, status;
Arg args[8];
Cardinal num_args;
Dimension message_vp_width, map_vp_width, status_width, max_width;
int map_vp_hd, status_hd;
struct xwindow *wp;
num_args = 0;
XtSetArg(args[num_args], XtNallowShellResize, True); num_args++;
form = XtCreateManagedWidget("nethack", panedWidgetClass, toplevel, args,
num_args);
XtAddEventHandler(form, KeyPressMask, False, (XtEventHandler) msgkey,
(XtPointer) 0);
if (appResources.autofocus)
XtAddEventHandler(toplevel, VisibilityChangeMask, False, win_visible,
(XtPointer) 0);
/*
* Create message window.
*/
WIN_MESSAGE = message_win = find_free_window();
wp = &window_list[message_win];
wp->cursx = wp->cursy = wp->pixel_width = wp->pixel_height = 0;
wp->popup = (Widget) 0;
create_message_window(wp, FALSE, form);
message_viewport = XtParent(wp->w);
/* Tell the form that contains it that resizes are OK. */
num_args = 0;
XtSetArg(args[num_args], nhStr(XtNresizable), True); num_args++;
XtSetArg(args[num_args], nhStr(XtNleft), XtChainLeft); num_args++;
XtSetArg(args[num_args], nhStr(XtNtop), XtChainTop); num_args++;
XtSetValues(message_viewport, args, num_args);
if (appResources.slow) {
num_args = 0;
XtSetArg(args[num_args], XtNtranslations,
XtParseTranslationTable(yn_translations)); num_args++;
yn_label = XtCreateManagedWidget("yn_label", labelWidgetClass, form,
args, num_args);
num_args = 0;
XtSetArg(args[num_args], nhStr(XtNfromVert), message_viewport);
num_args++;
XtSetArg(args[num_args], nhStr(XtNjustify), XtJustifyLeft);
num_args++;
XtSetArg(args[num_args], nhStr(XtNresizable), True); num_args++;
XtSetArg(args[num_args], nhStr(XtNlabel), " "); num_args++;
XtSetValues(yn_label, args, num_args);
}
/*
* Create the map window & viewport and chain the viewport beneath the
* message_viewport.
*/
map_win = find_free_window();
wp = &window_list[map_win];
wp->cursx = wp->cursy = wp->pixel_width = wp->pixel_height = 0;
wp->popup = (Widget) 0;
create_map_window(wp, FALSE, form);
map_viewport = XtParent(wp->w);
/* Chain beneath message_viewport or yn window. */
num_args = 0;
if (appResources.slow) {
XtSetArg(args[num_args], nhStr(XtNfromVert), yn_label); num_args++;
} else {
XtSetArg(args[num_args], nhStr(XtNfromVert), message_viewport);
num_args++;
}
XtSetArg(args[num_args], nhStr(XtNbottom), XtChainBottom); num_args++;
XtSetValues(map_viewport, args, num_args);
/* Create the status window, with the form as it's parent. */
status_win = find_free_window();
wp = &window_list[status_win];
wp->cursx = wp->cursy = wp->pixel_width = wp->pixel_height = 0;
wp->popup = (Widget) 0;
create_status_window(wp, FALSE, form);
status = wp->w;
/*
* Chain the status window beneath the viewport. Mark the left and right
* edges so that they stay a fixed distance from the left edge of the
* parent, as well as the top and bottom edges so that they stay a fixed
* distance from the bottom of the parent. We do this so that the status
* will never expand or contract.
*/
num_args = 0;
XtSetArg(args[num_args], nhStr(XtNfromVert), map_viewport); num_args++;
XtSetArg(args[num_args], nhStr(XtNleft), XtChainLeft); num_args++;
XtSetArg(args[num_args], nhStr(XtNright), XtChainLeft); num_args++;
XtSetArg(args[num_args], nhStr(XtNtop), XtChainBottom); num_args++;
XtSetArg(args[num_args], nhStr(XtNbottom), XtChainBottom); num_args++;
XtSetValues(status, args, num_args);
/*
* Realize the popup so that the status widget knows it's size.
*
* If we unset MappedWhenManaged then the DECwindow driver doesn't
* attach the nethack toplevel to the highest virtual root window.
* So don't do it.
*/
/* XtSetMappedWhenManaged(toplevel, False); */
XtRealizeWidget(toplevel);
wm_delete_window = XInternAtom(XtDisplay(toplevel),
"WM_DELETE_WINDOW", False);
XSetWMProtocols(XtDisplay(toplevel), XtWindow(toplevel),
&wm_delete_window, 1);
/*
* Resize to at most full-screen.
*/
{
#define TITLEBAR_SPACE 18 /* Leave SOME screen for window decorations */
int screen_width = WidthOfScreen(XtScreen(wp->w));
int screen_height = HeightOfScreen(XtScreen(wp->w)) - TITLEBAR_SPACE;
Dimension form_width, form_height;
XtSetArg(args[0], XtNwidth, &form_width);
XtSetArg(args[1], XtNheight, &form_height);
XtGetValues(toplevel, args, TWO);
if (form_width > screen_width || form_height > screen_height) {
XtSetArg(args[0], XtNwidth, min(form_width, screen_width));
XtSetArg(args[1], XtNheight, min(form_height, screen_height));
XtSetValues(toplevel, args, TWO);
XMoveWindow(XtDisplay(toplevel), XtWindow(toplevel), 0,
TITLEBAR_SPACE);
}
#undef TITLEBAR_SPACE
}
post_process_tiles(); /* after toplevel is realized */
/*
* Now get the default widths of the windows.
*/
XtSetArg(args[0], nhStr(XtNwidth), &message_vp_width);
XtGetValues(message_viewport, args, ONE);
XtSetArg(args[0], nhStr(XtNwidth), &map_vp_width);
XtSetArg(args[1], nhStr(XtNhorizDistance), &map_vp_hd);
XtGetValues(map_viewport, args, TWO);
XtSetArg(args[0], nhStr(XtNwidth), &status_width);
XtSetArg(args[1], nhStr(XtNhorizDistance), &status_hd);
XtGetValues(status, args, TWO);
/*
* Adjust positions and sizes. The message viewport widens out to the
* widest width. Both the map and status are centered by adjusting
* their horizDistance.
*/
if (map_vp_width < status_width || map_vp_width < message_vp_width) {
if (status_width > message_vp_width) {
XtSetArg(args[0], nhStr(XtNwidth), status_width);
XtSetValues(message_viewport, args, ONE);
max_width = status_width;
} else {
max_width = message_vp_width;
}
XtSetArg(args[0], nhStr(XtNhorizDistance),
map_vp_hd + ((int) (max_width - map_vp_width) / 2));
XtSetValues(map_viewport, args, ONE);
} else { /* map is widest */
XtSetArg(args[0], nhStr(XtNwidth), map_vp_width);
XtSetValues(message_viewport, args, ONE);
}
/*
* Clear all data values on the fancy status widget so that the values
* used for spacing don't appear. This needs to be called some time
* after the fancy status widget is realized (above, with the game popup),
* but before it is popped up.
*/
if (appResources.fancy_status)
null_out_status();
/*
* Set the map size to its standard size. As with the message window
* above, the map window needs to be set to its constrained size until
* its parent (the viewport widget) was realized.
*
* Move the message window's slider to the bottom.
*/
set_map_size(&window_list[map_win], COLNO, ROWNO);
set_message_slider(&window_list[message_win]);
/* attempt to catch fatal X11 errors before the program quits */
(void) XtAppSetErrorHandler(app_context, X11_error_handler);
highlight_yn(TRUE); /* switch foreground and background */
/* We can now print to the message window. */
iflags.window_inited = 1;
}
void
nh_XtPopup(Widget w, /* widget */
int grb, /* type of grab */
Widget childwid) /* child to receive focus (can be None) */
{
XtPopup(w, (XtGrabKind) grb);
XSetWMProtocols(XtDisplay(w), XtWindow(w), &wm_delete_window, 1);
if (appResources.autofocus)
XtSetKeyboardFocus(toplevel, childwid);
}
void
nh_XtPopdown(Widget w)
{
XtPopdown(w);
if (appResources.autofocus)
XtSetKeyboardFocus(toplevel, None);
}
void
win_X11_init(int dir)
{
if (dir != WININIT)
return;
return;
}
void
find_scrollbars(
Widget w, /* widget of interest; scroll bars are probably attached
to its parent or grandparent */
Widget last_w, /* if non-zero, don't search ancestory beyond this point */
Widget *horiz, /* output: horizontal scrollbar */
Widget *vert) /* output: vertical scrollbar */
{
*horiz = *vert = (Widget) 0;
/* for 3.6 this looked for an ancestor with both scrollbars but
menus might have only vertical */
if (w) {
do {
*horiz = XtNameToWidget(w, "*horizontal");
*vert = XtNameToWidget(w, "*vertical");
if (*horiz || *vert)
break;
w = XtParent(w);
} while (w && (!last_w || w != last_w));
}
}
/* Callback
* Scroll a viewport, using standard NH 1,2,3,4,6,7,8,9 directions.
*/
/*ARGSUSED*/
void
nh_keyscroll(Widget viewport, XEvent *event, String *params,
Cardinal *num_params)
{
Arg arg[2];
Widget horiz_sb = (Widget) 0, vert_sb = (Widget) 0;
float top, shown;
Boolean do_call;
int direction;
Cardinal in_nparams = (num_params ? *num_params : 0);
nhUse(event);
if (in_nparams != 1)
return; /* bad translation */
direction = atoi(params[0]);
find_scrollbars(viewport, (Widget) 0, &horiz_sb, &vert_sb);
#define H_DELTA 0.25 /* distance of horiz shift */
/* vert shift is half of curr distance */
/* The V_DELTA is 1/2 the value of shown. */
if (horiz_sb) {
XtSetArg(arg[0], nhStr(XtNshown), &shown);
XtSetArg(arg[1], nhStr(XtNtopOfThumb), &top);
XtGetValues(horiz_sb, arg, TWO);
do_call = True;
switch (direction) {
case 1:
case 4:
case 7:
top -= H_DELTA;
if (top < 0.0)
top = 0.0;
break;
case 3:
case 6:
case 9:
top += H_DELTA;
if (top + shown > 1.0)
top = 1.0 - shown;
break;
default:
do_call = False;
}
if (do_call) {
XtCallCallbacks(horiz_sb, XtNjumpProc, &top);
}
}
if (vert_sb) {
XtSetArg(arg[0], nhStr(XtNshown), &shown);
XtSetArg(arg[1], nhStr(XtNtopOfThumb), &top);
XtGetValues(vert_sb, arg, TWO);
do_call = True;
switch (direction) {
case 7:
case 8:
case 9:
top -= shown / 2.0;
if (top < 0.0)
top = 0;
break;
case 1:
case 2:
case 3:
top += shown / 2.0;
if (top + shown > 1.0)
top = 1.0 - shown;
break;
default:
do_call = False;
}
if (do_call) {
XtCallCallbacks(vert_sb, XtNjumpProc, &top);
}
}
}
/*winX.c*/
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