1 /* SCCS Id: @(#)wintext.c 3.4 1996/04/05 */
2 /* Copyright (c) Dean Luick, 1992 */
3 /* NetHack may be freely redistributed. See license for details. */
4
5 /*
6 * File for dealing with text windows.
7 *
8 * + No global functions.
9 */
10
11 #ifndef SYSV
12 #define PRESERVE_NO_SYSV /* X11 include files may define SYSV */
13 #endif
14
15 #include <X11/Intrinsic.h>
16 #include <X11/StringDefs.h>
17 #include <X11/Shell.h>
18 #include <X11/Xos.h>
19 #include <X11/Xaw/Form.h>
20 #include <X11/Xaw/AsciiText.h>
21 #include <X11/Xaw/Cardinals.h>
22 #include <X11/Xatom.h>
23
24 #ifdef PRESERVE_NO_SYSV
25 # ifdef SYSV
26 # undef SYSV
27 # endif
28 # undef PRESERVE_NO_SYSV
29 #endif
30
31 #include "hack.h"
32 #include "winX.h"
33 #include "xwindow.h"
34
35 #ifdef GRAPHIC_TOMBSTONE
36 #include <X11/xpm.h>
37 #endif
38
39
40 #define TRANSIENT_TEXT /* text window is a transient window (no positioning) */
41
42 static const char text_translations[] =
43 "#override\n\
44 <BtnDown>: dismiss_text()\n\
45 <Key>: key_dismiss_text()";
46
47 #ifdef GRAPHIC_TOMBSTONE
48 static const char rip_translations[] =
49 "#override\n\
50 <BtnDown>: rip_dismiss_text()\n\
51 <Key>: rip_dismiss_text()";
52
53 static Widget FDECL(create_ripout_widget, (Widget));
54 #endif
55
56 /*ARGSUSED*/
57 void
delete_text(w,event,params,num_params)58 delete_text(w, event, params, num_params)
59 Widget w;
60 XEvent *event;
61 String *params;
62 Cardinal *num_params;
63 {
64 struct xwindow *wp;
65 struct text_info_t *text_info;
66
67 wp = find_widget(w);
68 text_info = wp->text_information;
69
70 nh_XtPopdown(wp->popup);
71
72 if (text_info->blocked) {
73 exit_x_event = TRUE;
74 } else if (text_info->destroy_on_ack) {
75 destroy_text_window(wp);
76 }
77 }
78
79 /*
80 * Callback used for all text windows. The window is poped down on any key
81 * or button down event. It is destroyed if the main nethack code is done
82 * with it.
83 */
84 /*ARGSUSED*/
85 void
dismiss_text(w,event,params,num_params)86 dismiss_text(w, event, params, num_params)
87 Widget w;
88 XEvent *event;
89 String *params;
90 Cardinal *num_params;
91 {
92 struct xwindow *wp;
93 struct text_info_t *text_info;
94
95 wp = find_widget(w);
96 text_info = wp->text_information;
97
98 nh_XtPopdown(wp->popup);
99
100 if (text_info->blocked) {
101 exit_x_event = TRUE;
102 } else if (text_info->destroy_on_ack) {
103 destroy_text_window(wp);
104 }
105 }
106
107 /* Dismiss when a non-modifier key pressed. */
108 void
key_dismiss_text(w,event,params,num_params)109 key_dismiss_text(w, event, params, num_params)
110 Widget w;
111 XEvent *event;
112 String *params;
113 Cardinal *num_params;
114 {
115 char ch = key_event_to_char((XKeyEvent *) event);
116 if (ch) dismiss_text(w, event, params, num_params);
117 }
118
119 #ifdef GRAPHIC_TOMBSTONE
120 /* Dismiss from clicking on rip image. */
121 void
rip_dismiss_text(w,event,params,num_params)122 rip_dismiss_text(w, event, params, num_params)
123 Widget w;
124 XEvent *event;
125 String *params;
126 Cardinal *num_params;
127 {
128 dismiss_text(XtParent(w), event, params, num_params);
129 }
130 #endif
131
132
133 /* ARGSUSED */
134 void
add_to_text_window(wp,attr,str)135 add_to_text_window(wp, attr, str)
136 struct xwindow *wp;
137 int attr; /* currently unused */
138 const char *str;
139 {
140 struct text_info_t *text_info = wp->text_information;
141 int width;
142
143 append_text_buffer(&text_info->text, str, FALSE);
144
145 /* Calculate text width and save longest line */
146 width = XTextWidth(text_info->fs, str, (int) strlen(str));
147 if (width > text_info->max_width)
148 text_info->max_width = width;
149 }
150
151 void
display_text_window(wp,blocking)152 display_text_window(wp, blocking)
153 struct xwindow *wp;
154 boolean blocking;
155 {
156 struct text_info_t *text_info;
157 Arg args[8];
158 Cardinal num_args;
159 Dimension width, height, font_height;
160 int nlines;
161
162 text_info = wp->text_information;
163 width = text_info->max_width + text_info->extra_width;
164 text_info->blocked = blocking;
165 text_info->destroy_on_ack = FALSE;
166 font_height = nhFontHeight(wp->w);
167
168 /*
169 * Calculate the number of lines to use. First, find the number of
170 * lines that would fit on the screen. Next, remove four of these
171 * lines to give room for a possible window manager titlebar (some
172 * wm's put a titlebar on transient windows). Make sure we have
173 * _some_ lines. Finally, use the number of lines in the text if
174 * there are fewer than the max.
175 */
176 nlines = (XtScreen(wp->w)->height - text_info->extra_height) / font_height;
177 nlines -= 4;
178
179 if (nlines > text_info->text.num_lines)
180 nlines = text_info->text.num_lines;
181 if (nlines <= 0) nlines = 1;
182
183 height = nlines * font_height + text_info->extra_height;
184
185 num_args = 0;
186
187 if (nlines < text_info->text.num_lines) {
188 /* add on width of scrollbar. Really should look this up,
189 * but can't until the window is realized. Chicken-and-egg problem.
190 */
191 width += 20;
192 }
193
194 #ifdef GRAPHIC_TOMBSTONE
195 if (text_info->is_rip) {
196 Widget rip = create_ripout_widget(XtParent(wp->w));
197 XtSetArg(args[num_args], XtNfromVert, rip); num_args++;
198 }
199 #endif
200
201 if (width > (Dimension) XtScreen(wp->w)->width) { /* too wide for screen */
202 /* Back off some amount - we really need to back off the scrollbar */
203 /* width plus some extra. */
204 width = XtScreen(wp->w)->width - 20;
205 }
206 XtSetArg(args[num_args], XtNstring, text_info->text.text); num_args++;
207 XtSetArg(args[num_args], XtNwidth, width); num_args++;
208 XtSetArg(args[num_args], XtNheight, height); num_args++;
209 XtSetValues(wp->w, args, num_args);
210
211 #ifdef TRANSIENT_TEXT
212 XtRealizeWidget(wp->popup);
213 XSetWMProtocols(XtDisplay(wp->popup), XtWindow(wp->popup),
214 &wm_delete_window, 1);
215 positionpopup(wp->popup, FALSE);
216 #endif
217
218 nh_XtPopup(wp->popup, (int)XtGrabNone, wp->w);
219
220 /* Kludge alert. Scrollbars are not sized correctly by the Text widget */
221 /* if added before the window is displayed, so do it afterward. */
222 num_args = 0;
223 if (nlines < text_info->text.num_lines) { /* add vert scrollbar */
224 XtSetArg(args[num_args], XtNscrollVertical, XawtextScrollAlways);
225 num_args++;
226 }
227 if (width >= (Dimension) (XtScreen(wp->w)->width-20)) { /* too wide */
228 XtSetArg(args[num_args], XtNscrollHorizontal, XawtextScrollAlways);
229 num_args++;
230 }
231 if (num_args) XtSetValues(wp->w, args, num_args);
232
233 /* We want the user to acknowlege. */
234 if (blocking) {
235 (void) x_event(EXIT_ON_EXIT);
236 nh_XtPopdown(wp->popup);
237 }
238 }
239
240
241 void
create_text_window(wp)242 create_text_window(wp)
243 struct xwindow *wp;
244 {
245 struct text_info_t *text_info;
246 Arg args[8];
247 Cardinal num_args;
248 Position top_margin, bottom_margin, left_margin, right_margin;
249 Widget form;
250
251 wp->type = NHW_TEXT;
252
253 wp->text_information = text_info =
254 (struct text_info_t *) alloc(sizeof(struct text_info_t));
255
256 init_text_buffer(&text_info->text);
257 text_info->max_width = 0;
258 text_info->extra_width = 0;
259 text_info->extra_height = 0;
260 text_info->blocked = FALSE;
261 text_info->destroy_on_ack = TRUE; /* Ok to destroy before display */
262 #ifdef GRAPHIC_TOMBSTONE
263 text_info->is_rip = FALSE;
264 #endif
265
266 num_args = 0;
267 XtSetArg(args[num_args], XtNallowShellResize, True); num_args++;
268 XtSetArg(args[num_args], XtNtranslations,
269 XtParseTranslationTable(text_translations)); num_args++;
270
271 #ifdef TRANSIENT_TEXT
272 wp->popup = XtCreatePopupShell("text", transientShellWidgetClass,
273 toplevel, args, num_args);
274 #else
275 wp->popup = XtCreatePopupShell("text", topLevelShellWidgetClass,
276 toplevel, args, num_args);
277 #endif
278 XtOverrideTranslations(wp->popup,
279 XtParseTranslationTable("<Message>WM_PROTOCOLS: delete_text()"));
280
281 num_args = 0;
282 XtSetArg(args[num_args], XtNallowShellResize, True); num_args++;
283 form = XtCreateManagedWidget("form", formWidgetClass, wp->popup,
284 args, num_args);
285
286 num_args = 0;
287 XtSetArg(args[num_args], XtNdisplayCaret, False); num_args++;
288 XtSetArg(args[num_args], XtNresize, XawtextResizeBoth); num_args++;
289 XtSetArg(args[num_args], XtNtranslations,
290 XtParseTranslationTable(text_translations)); num_args++;
291
292 wp->w = XtCreateManagedWidget(
293 killer && WIN_MAP == WIN_ERR ?
294 "tombstone" : "text_text", /* name */
295 asciiTextWidgetClass,
296 form, /* parent widget */
297 args, /* set some values */
298 num_args); /* number of values to set */
299
300 /* Get the font and margin information. */
301 num_args = 0;
302 XtSetArg(args[num_args], XtNfont, &text_info->fs); num_args++;
303 XtSetArg(args[num_args], XtNtopMargin, &top_margin); num_args++;
304 XtSetArg(args[num_args], XtNbottomMargin, &bottom_margin); num_args++;
305 XtSetArg(args[num_args], XtNleftMargin, &left_margin); num_args++;
306 XtSetArg(args[num_args], XtNrightMargin, &right_margin); num_args++;
307 XtGetValues(wp->w, args, num_args);
308
309 text_info->extra_width = left_margin + right_margin;
310 text_info->extra_height = top_margin + bottom_margin;
311 }
312
313 void
destroy_text_window(wp)314 destroy_text_window(wp)
315 struct xwindow *wp;
316 {
317 /* Don't need to pop down, this only called from dismiss_text(). */
318
319 struct text_info_t *text_info = wp->text_information;
320
321 /*
322 * If the text window was blocked, then the user has already ACK'ed
323 * it and we are free to really destroy the window. Otherwise, don't
324 * destroy until the user dismisses the window via a key or button
325 * press.
326 */
327 if (text_info->blocked || text_info->destroy_on_ack) {
328 XtDestroyWidget(wp->popup);
329 free_text_buffer(&text_info->text);
330 free((genericptr_t)text_info), wp->text_information = 0;
331 wp->type = NHW_NONE; /* allow reuse */
332 } else {
333 text_info->destroy_on_ack = TRUE; /* destroy on next ACK */
334 }
335 }
336
337 void
clear_text_window(wp)338 clear_text_window(wp)
339 struct xwindow *wp;
340 {
341 clear_text_buffer(&wp->text_information->text);
342 }
343
344
345 /* text buffer routines ---------------------------------------------------- */
346
347 /* Append a line to the text buffer. */
348 void
append_text_buffer(tb,str,concat)349 append_text_buffer(tb, str, concat)
350 struct text_buffer *tb;
351 const char *str;
352 boolean concat;
353 {
354 char *copy;
355 int length;
356
357 if (!tb->text) panic("append_text_buffer: null text buffer");
358
359 if (str) {
360 length = strlen(str);
361 } else {
362 length = 0;
363 }
364
365 if (length + tb->text_last + 1 >= tb->text_size) {
366 /* we need to go to a bigger buffer! */
367 #ifdef VERBOSE
368 printf("append_text_buffer: text buffer growing from %d to %d bytes\n",
369 tb->text_size, 2*tb->text_size);
370 #endif
371 copy = (char *) alloc((unsigned)tb->text_size*2);
372 (void) memcpy(copy, tb->text, tb->text_last);
373 free(tb->text);
374 tb->text = copy;
375 tb->text_size *= 2;
376 }
377
378 if (tb->num_lines) { /* not first --- append a newline */
379 char appchar = '\n';
380
381 if(concat && !index("!.?'\")", tb->text[tb->text_last-1])) {
382 appchar = ' ';
383 tb->num_lines--; /* offset increment at end of function */
384 }
385
386 *(tb->text + tb->text_last) = appchar;
387 tb->text_last++;
388 }
389
390 if (str) {
391 (void) memcpy((tb->text+tb->text_last), str, length+1);
392 if(length) {
393 /* Remove all newlines. Otherwise we have a confused line count. */
394 copy = (tb->text+tb->text_last);
395 while ((copy = index(copy, '\n')) != (char*)0)
396 *copy = ' ';
397 }
398
399 tb->text_last += length;
400 }
401 tb->text[tb->text_last] = '\0';
402 tb->num_lines++;
403 }
404
405 /* Initialize text buffer. */
406 void
init_text_buffer(tb)407 init_text_buffer(tb)
408 struct text_buffer *tb;
409 {
410 tb->text = (char *) alloc(START_SIZE);
411 tb->text[0] = '\0';
412 tb->text_size = START_SIZE;
413 tb->text_last = 0;
414 tb->num_lines = 0;
415 }
416
417 /* Empty the text buffer */
418 void
clear_text_buffer(tb)419 clear_text_buffer(tb)
420 struct text_buffer *tb;
421 {
422 tb->text_last = 0;
423 tb->text[0] = '\0';
424 tb->num_lines = 0;
425 }
426
427 /* Free up allocated memory. */
428 void
free_text_buffer(tb)429 free_text_buffer(tb)
430 struct text_buffer *tb;
431 {
432 free(tb->text);
433 tb->text = (char *) 0;
434 tb->text_size = 0;
435 tb->text_last = 0;
436 tb->num_lines = 0;
437 }
438
439
440 #ifdef GRAPHIC_TOMBSTONE
441
442 static void FDECL(rip_exposed, (Widget,XtPointer,XtPointer));
443
444 static XImage* rip_image=0;
445
446
447 #define STONE_LINE_LEN 16 /* # chars that fit on one line */
448 #define NAME_LINE 0 /* line # for player name */
449 #define GOLD_LINE 1 /* line # for amount of gold */
450 #define DEATH_LINE 2 /* line # for death description */
451 #define YEAR_LINE 6 /* line # for year */
452
453 static char rip_line[YEAR_LINE+1][STONE_LINE_LEN+1];
454
455 extern const char *killed_by_prefix[];
456
457 void
calculate_rip_text(int how)458 calculate_rip_text(int how)
459 {
460 /* Follows same algorithm as genl_outrip() */
461
462 char buf[BUFSZ];
463 char *dpx;
464 int line;
465
466 /* Put name on stone */
467 Sprintf(rip_line[NAME_LINE], "%s", plname);
468
469 /* Put $ on stone */
470 Sprintf(rip_line[GOLD_LINE], "%ld Au",
471 #ifndef GOLDOBJ
472 u.ugold);
473 #else
474 done_money);
475 #endif
476 /* Put together death description */
477 switch (killer_format) {
478 default: impossible("bad killer format?");
479 case KILLED_BY_AN:
480 Strcpy(buf, killed_by_prefix[how]);
481 Strcat(buf, an(killer));
482 break;
483 case KILLED_BY:
484 Strcpy(buf, killed_by_prefix[how]);
485 Strcat(buf, killer);
486 break;
487 case NO_KILLER_PREFIX:
488 Strcpy(buf, killer);
489 break;
490 }
491
492 /* Put death type on stone */
493 for (line=DEATH_LINE, dpx = buf; line<YEAR_LINE; line++) {
494 register int i,i0;
495 char tmpchar;
496
497 if ( (i0=strlen(dpx)) > STONE_LINE_LEN) {
498 for(i = STONE_LINE_LEN;
499 ((i0 > STONE_LINE_LEN) && i); i--)
500 if(dpx[i] == ' ') i0 = i;
501 if(!i) i0 = STONE_LINE_LEN;
502 }
503 tmpchar = dpx[i0];
504 dpx[i0] = 0;
505 strcpy(rip_line[line], dpx);
506 if (tmpchar != ' ') {
507 dpx[i0] = tmpchar;
508 dpx= &dpx[i0];
509 } else dpx= &dpx[i0+1];
510 }
511
512 /* Put year on stone */
513 Sprintf(rip_line[YEAR_LINE], "%4d", getyear());
514 }
515
516
517 /*
518 * RIP image expose callback.
519 */
520 /*ARGSUSED*/
521 static void
rip_exposed(w,client_data,widget_data)522 rip_exposed(w, client_data, widget_data)
523 Widget w;
524 XtPointer client_data; /* unused */
525 XtPointer widget_data; /* expose event from Window widget */
526 {
527 XExposeEvent *event = (XExposeEvent *) widget_data;
528 Display* dpy=XtDisplay(w);
529 Arg args[8];
530 XGCValues values;
531 XtGCMask mask;
532 GC gc;
533 static Pixmap rip_pixmap=None;
534 int i, x, y;
535
536 if (!XtIsRealized(w) || event->count > 0) return;
537
538 if (rip_pixmap == None && rip_image) {
539 rip_pixmap = XCreatePixmap(dpy, XtWindow(w),
540 rip_image->width,
541 rip_image->height,
542 DefaultDepth(dpy, DefaultScreen(dpy)));
543 XPutImage(dpy, rip_pixmap,
544 DefaultGC(dpy, DefaultScreen(dpy)),
545 rip_image,
546 0,0, 0,0, /* src, dest top left */
547 rip_image->width,
548 rip_image->height);
549 XDestroyImage(rip_image); /* data bytes free'd also */
550 }
551
552 mask = GCFunction | GCForeground | GCGraphicsExposures | GCFont;
553 values.graphics_exposures = False;
554 XtSetArg(args[0], XtNforeground, &values.foreground);
555 XtGetValues(w, args, 1);
556 values.function = GXcopy;
557 values.font = WindowFont(w);
558 gc = XtGetGC(w, mask, &values);
559
560 if (rip_pixmap != None) {
561 XCopyArea(dpy, rip_pixmap, XtWindow(w), gc,
562 event->x, event->y, event->width, event->height,
563 event->x, event->y);
564 }
565
566 x=appResources.tombtext_x;
567 y=appResources.tombtext_y;
568 for (i=0; i<=YEAR_LINE; i++) {
569 int len=strlen(rip_line[i]);
570 XFontStruct* font=WindowFontStruct(w);
571 int width=XTextWidth(font, rip_line[i], len);
572 XDrawString(dpy, XtWindow(w), gc,
573 x-width/2, y, rip_line[i], len);
574 x+=appResources.tombtext_dx;
575 y+=appResources.tombtext_dy;
576 }
577
578 XtReleaseGC(w, gc);
579 }
580
581 /*
582 * The ripout window creation routine.
583 */
584 static Widget
create_ripout_widget(Widget parent)585 create_ripout_widget(Widget parent)
586 {
587 Widget imageport;
588 Arg args[16];
589 Cardinal num_args;
590
591 static int rip_width, rip_height;
592
593 if (!rip_image) {
594 XpmAttributes attributes;
595 int errorcode;
596
597 attributes.valuemask = XpmCloseness;
598 attributes.closeness = 65535; /* Try anything */
599 errorcode = XpmReadFileToImage(XtDisplay(parent), appResources.tombstone, &rip_image, 0, &attributes);
600 if (errorcode != XpmSuccess) {
601 char buf[BUFSZ];
602 Sprintf(buf, "Failed to load %s: %s", appResources.tombstone,
603 XpmGetErrorString(errorcode));
604 X11_raw_print(buf);
605 }
606 rip_width = rip_image->width;
607 rip_height = rip_image->height;
608 }
609
610 num_args = 0;
611 XtSetArg(args[num_args], XtNwidth, rip_width); num_args++;
612 XtSetArg(args[num_args], XtNheight, rip_height); num_args++;
613 XtSetArg(args[num_args], XtNtranslations,
614 XtParseTranslationTable(rip_translations)); num_args++;
615
616 imageport = XtCreateManagedWidget("rip", windowWidgetClass,
617 parent, args, num_args);
618
619 XtAddCallback(imageport, XtNexposeCallback, rip_exposed, (XtPointer) 0);
620
621 return imageport;
622 }
623
624 #endif /* GRAPHIC_TOMBSTONE */
625
626 /*wintext.c*/
627