|
Lines 1-58
Link Here
|
| 1 |
--- xroach.c.orig 1993-06-04 21:47:09.000000000 +0200 |
1 |
--- xroach.c.orig 1991-06-06 14:12:07.000000000 +0200 |
| 2 |
+++ xroach.c 2011-12-20 19:03:53.816175581 +0100 |
2 |
+++ xroach.c 2018-02-13 16:23:28.812243000 +0100 |
| 3 |
@@ -77,7 +77,7 @@ |
3 |
@@ -1,23 +1,31 @@ |
|
|
4 |
/* |
| 5 |
Xroach - A game of skill. Try to find the roaches under your windows. |
| 6 |
- |
| 7 |
+ |
| 8 |
Copyright 1991 by J.T. Anderson |
| 9 |
|
| 10 |
jta@locus.com |
| 11 |
- |
| 12 |
+ |
| 13 |
This program may be freely distributed provided that all |
| 14 |
copyright notices are retained. |
| 15 |
|
| 16 |
To build: |
| 17 |
- cc -o xroach roach.c -lX11 [-lsocketorwhatever] [-lm] [-l...] |
| 18 |
+ cc -o xroach -lX11 -lm -I/usr/local/include/ -L/usr/local/lib xroach.c |
| 19 |
+ |
| 20 |
+ To run: |
| 21 |
+ ./xroach -speed 2 -squish -rc brown -rgc yellowgreen |
| 22 |
+ |
| 23 |
+ Dedicated to Greg McFarlane (gregm@otc.otca.oz.au). |
| 24 |
+ |
| 25 |
+ Squish option contributed by Rick Petkiewizc (rick@locus.com). |
| 26 |
|
| 27 |
- Dedicated to Greg McFarlane. (gregm@otc.otca.oz.au) |
| 28 |
- |
| 29 |
- Squish option contributed by Rick Petkiewizc (rick@locus.com) |
| 30 |
- |
| 31 |
Virtual root code adapted from patch sent by Colin Rafferty who |
| 32 |
- borrowed it from Tom LaStrange. Several other folks sent similar |
| 33 |
+ borrowed it from Tom LaStrange. Several other folks sent similar |
| 34 |
fixes. |
| 35 |
+ |
| 36 |
+ Some glitches removed by patch from Guus Sliepen (guus@sliepen.warande.net) |
| 37 |
+ in 2001 (see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=102668#5). |
| 38 |
+ |
| 39 |
+ Last update: 2018-JAN-22 |
| 40 |
*/ |
| 41 |
|
| 42 |
/* @(#)xroach.c 1.5 4/2/91 11:53:31 */ |
| 43 |
@@ -28,17 +36,9 @@ |
| 44 |
#include <X11/Xatom.h> |
| 45 |
|
| 46 |
#include <stdio.h> |
| 47 |
-#include <math.h> |
| 48 |
-#include <malloc.h> |
| 49 |
-#include <signal.h> |
| 50 |
- |
| 51 |
-#if __STDC__ |
| 52 |
#include <stdlib.h> |
| 53 |
-#else |
| 54 |
-long strtol(); |
| 55 |
-double strtod(); |
| 56 |
-char *getenv(); |
| 57 |
-#endif |
| 58 |
+#include <signal.h> |
| 59 |
+#include <math.h> |
| 60 |
|
| 61 |
char Copyright[] = "Xroach\nCopyright 1991 J.T. Anderson"; |
| 62 |
|
| 63 |
@@ -47,30 +47,31 @@ |
| 64 |
typedef unsigned long Pixel; |
| 65 |
typedef int ErrorHandler(); |
| 66 |
|
| 67 |
-#define SCAMPER_EVENT (LASTEvent + 1) |
| 68 |
+#define SCAMPER_EVENT (LASTEvent + 1) |
| 69 |
|
| 70 |
#if !defined(GRAB_SERVER) |
| 71 |
-#define GRAB_SERVER 0 |
| 72 |
+#define GRAB_SERVER 0 |
| 73 |
#endif |
| 74 |
|
| 75 |
+char *display_name = NULL; |
| 76 |
Display *display; |
| 77 |
-int screen; |
| 78 |
-Window rootWin; |
| 79 |
-unsigned int display_width, display_height; |
| 80 |
-int center_x, center_y; |
| 81 |
GC gc; |
| 82 |
GC gutsGC; |
| 83 |
-char *display_name = NULL; |
| 84 |
-Pixel black, white; |
| 85 |
+int screen; |
| 86 |
+Pixel black; |
| 87 |
+unsigned int display_height; |
| 88 |
+unsigned int display_width; |
| 89 |
+Window rootWin; |
| 90 |
|
| 91 |
+Bool squishRoach = False; |
| 92 |
+Bool squishWinUp = False; |
| 93 |
int done = 0; |
| 94 |
-int eventBlock = 0; |
| 95 |
int errorVal = 0; |
| 96 |
-Bool squishRoach = False; |
| 97 |
+int eventBlock = 0; |
| 98 |
Pixmap squishMap; |
| 99 |
-Bool squishWinUp = False; |
| 100 |
|
| 101 |
-typedef struct Roach { |
| 102 |
+typedef struct Roach |
| 103 |
+{ |
| 104 |
RoachMap *rp; |
| 105 |
int index; |
| 106 |
float x; |
| 107 |
@@ -86,69 +87,72 @@ |
| 108 |
int maxRoaches = 10; |
| 109 |
int curRoaches = 0; |
| 110 |
float roachSpeed = 20.0; |
| 111 |
+float turnSpeed = 10.0; |
| 112 |
|
| 113 |
Region rootVisible = NULL; |
| 114 |
|
| 115 |
void Usage(); |
| 116 |
void SigHandler(); |
| 117 |
+Window FindRootWindow(); |
| 118 |
+int RandInt(int maxVal); |
| 119 |
+int RoachInRect(Roach *roach, int rx, int ry, int x, int y, unsigned int width, unsigned int height); |
| 120 |
+int RoachOverRect(Roach *roach, int rx, int ry, int x, int y, unsigned int width, unsigned int height); |
| 121 |
void AddRoach(); |
| 122 |
-void MoveRoach(); |
| 123 |
+void TurnRoach(Roach *roach); |
| 124 |
+void MoveRoach(int rx); |
| 125 |
void DrawRoaches(); |
| 126 |
void CoverRoot(); |
| 127 |
+int RoachErrors(XErrorEvent *err); |
| 128 |
int CalcRootVisible(); |
| 4 |
int MarkHiddenRoaches(); |
129 |
int MarkHiddenRoaches(); |
| 5 |
Pixel AllocNamedColor(); |
130 |
-Pixel AllocNamedColor(); |
|
|
131 |
-Window FindRootWindow(); |
| 132 |
+Pixel AllocNamedColor(char *colorName, Pixel dfltPix); |
| 133 |
+void checkSquish(XButtonEvent *buttonEvent); |
| 6 |
|
134 |
|
| 7 |
-void |
135 |
-void |
| 8 |
+int |
136 |
-main(ac, av) |
| 9 |
main(ac, av) |
137 |
-int ac; |
| 10 |
int ac; |
138 |
-char *av[]; |
| 11 |
char *av[]; |
139 |
+int main(int ac, char *av[]) |
| 12 |
@@ -96,19 +96,23 @@ |
140 |
{ |
|
|
141 |
- XGCValues xgcv; |
| 142 |
- int ax; |
| 143 |
char *arg; |
| 144 |
- RoachMap *rp; |
| 145 |
- int rx; |
| 146 |
- float angle; |
| 147 |
- XEvent ev; |
| 148 |
- char *roachColor = "black"; |
| 149 |
char *gutsColor = NULL; |
| 150 |
- int nVis; |
| 151 |
+ char *roachColor = "black"; |
| 152 |
+ float angle; |
| 153 |
int needCalc; |
| 154 |
+ int nVis; |
| 155 |
+ RoachMap *rp; |
| 156 |
Window squishWin; |
| 157 |
+ XEvent ev; |
| 158 |
+ XGCValues xgcv; |
| 159 |
XSetWindowAttributes xswa; |
| 160 |
- |
| 161 |
+ |
| 13 |
/* |
162 |
/* |
| 14 |
Process command line options. |
163 |
Process command line options. |
| 15 |
*/ |
164 |
*/ |
| 16 |
- for (ax=1; ax<ac; ax++) { |
165 |
- for (ax=1; ax<ac; ax++) { |
| 17 |
- arg = av[ax]; |
166 |
- arg = av[ax]; |
| 18 |
+ for (ax=1; ax<ac; ) { |
167 |
- if (strcmp(arg, "-display") == 0) { |
| 19 |
+ arg = av[ax++]; |
|
|
| 20 |
+ |
| 21 |
+ if (ax >= ac) |
| 22 |
+ Usage(); |
| 23 |
+ |
| 24 |
if (strcmp(arg, "-display") == 0) { |
| 25 |
- display_name = av[++ax]; |
168 |
- display_name = av[++ax]; |
| 26 |
+ display_name = av[ax++]; |
169 |
- } |
| 27 |
} |
170 |
- else if (strcmp(arg, "-rc") == 0) { |
| 28 |
else if (strcmp(arg, "-rc") == 0) { |
|
|
| 29 |
- roachColor = av[++ax]; |
171 |
- roachColor = av[++ax]; |
| 30 |
+ roachColor = av[ax++]; |
172 |
- } |
| 31 |
} |
173 |
- else if (strcmp(arg, "-speed") == 0) { |
| 32 |
else if (strcmp(arg, "-speed") == 0) { |
174 |
- roachSpeed = strtod(av[++ax], (char **)NULL); |
| 33 |
- roachSpeed = atof(av[++ax]); |
175 |
- } |
| 34 |
+ roachSpeed = atof(av[ax++]); |
176 |
- else if (strcmp(arg, "-roaches") == 0) { |
| 35 |
} |
|
|
| 36 |
else if (strcmp(arg, "-roaches") == 0) { |
| 37 |
- maxRoaches = strtol(av[++ax], (char **)NULL, 0); |
177 |
- maxRoaches = strtol(av[++ax], (char **)NULL, 0); |
| 38 |
+ maxRoaches = strtol(av[ax++], (char **)NULL, 0); |
178 |
- } |
| 39 |
} |
179 |
- else if (strcmp(arg, "-squish") == 0) { |
| 40 |
else { |
180 |
- squishRoach = True; |
| 41 |
Usage(); |
181 |
- } |
| 42 |
@@ -212,6 +216,7 @@ |
182 |
- else if (strcmp(arg, "-rgc") == 0) { |
|
|
183 |
- gutsColor = av[++ax]; |
| 184 |
- } |
| 185 |
- else { |
| 186 |
- Usage(); |
| 187 |
- } |
| 188 |
+ for (int ax = 1; ax < ac; ax++) |
| 189 |
+ { |
| 190 |
+ arg = av[ax]; |
| 191 |
+ |
| 192 |
+ if (strcmp(arg, "-display") == 0) |
| 193 |
+ display_name = av[++ax]; |
| 194 |
+ else if (strcmp(arg, "-rc") == 0) |
| 195 |
+ roachColor = av[++ax]; |
| 196 |
+ else if (strcmp(arg, "-speed") == 0) |
| 197 |
+ roachSpeed = (float) strtod(av[++ax], (char **) NULL); |
| 198 |
+ else if (strcmp(arg, "-roaches") == 0) |
| 199 |
+ maxRoaches = (int) strtol(av[++ax], (char **) NULL, 0); |
| 200 |
+ else if (strcmp(arg, "-squish") == 0) |
| 201 |
+ squishRoach = True; |
| 202 |
+ else if (strcmp(arg, "-rgc") == 0) |
| 203 |
+ gutsColor = av[++ax]; |
| 204 |
+ else |
| 205 |
+ Usage(); |
| 206 |
} |
| 207 |
|
| 208 |
- srand((int)time((long *)NULL)); |
| 209 |
- |
| 210 |
+ /* Compensate rate of turning for speed of movement. */ |
| 211 |
+ turnSpeed = 200 / roachSpeed; |
| 212 |
+ |
| 213 |
+ if (turnSpeed < 1) |
| 214 |
+ turnSpeed = 1; |
| 215 |
+ |
| 216 |
+ srand((unsigned int) time((time_t *) NULL)); |
| 217 |
+ |
| 218 |
/* |
| 219 |
Catch some signals so we can erase any visible roaches. |
| 220 |
*/ |
| 221 |
@@ -158,144 +162,180 @@ |
| 222 |
signal(SIGHUP, SigHandler); |
| 223 |
|
| 224 |
display = XOpenDisplay(display_name); |
| 225 |
- if (display == NULL) { |
| 226 |
- if (display_name == NULL) display_name = getenv("DISPLAY"); |
| 227 |
- (void) fprintf(stderr, "%s: cannot connect to X server %s\n", av[0], |
| 228 |
- display_name ? display_name : "(default)"); |
| 229 |
- exit(1); |
| 230 |
+ |
| 231 |
+ if (display == NULL) |
| 232 |
+ { |
| 233 |
+ if (display_name == NULL) |
| 234 |
+ display_name = getenv("DISPLAY"); |
| 235 |
+ |
| 236 |
+ fprintf(stderr, |
| 237 |
+ "%s: cannot connect to X server %s\n", |
| 238 |
+ av[0], |
| 239 |
+ display_name ? display_name : "(default)"); |
| 240 |
+ exit(1); |
| 241 |
} |
| 242 |
|
| 243 |
screen = DefaultScreen(display); |
| 244 |
rootWin = FindRootWindow(); |
| 245 |
black = BlackPixel(display, screen); |
| 246 |
- white = WhitePixel(display, screen); |
| 247 |
|
| 248 |
- display_width = DisplayWidth(display, screen); |
| 249 |
- display_height = DisplayHeight(display, screen); |
| 250 |
- center_x = display_width / 2; |
| 251 |
- center_y = display_height / 2; |
| 252 |
- |
| 253 |
+ display_width = (unsigned int) DisplayWidth(display, screen); |
| 254 |
+ display_height = (unsigned int) DisplayHeight(display, screen); |
| 255 |
+ |
| 256 |
/* |
| 257 |
Create roach pixmaps at several orientations. |
| 258 |
*/ |
| 259 |
- for (ax=0; ax<360; ax+=ROACH_ANGLE) { |
| 260 |
- rx = ax / ROACH_ANGLE; |
| 261 |
- angle = rx * 0.261799387799; |
| 262 |
- rp = &roachPix[rx]; |
| 263 |
- rp->pixmap = XCreateBitmapFromData(display, rootWin, |
| 264 |
- rp->roachBits, rp->width, rp->height); |
| 265 |
- rp->sine = sin(angle); |
| 266 |
- rp->cosine = cos(angle); |
| 267 |
+ for (int ax = 0; ax < 360; ax += ROACH_ANGLE) |
| 268 |
+ { |
| 269 |
+ int rx = ax / ROACH_ANGLE; |
| 270 |
+ angle = (float) (rx * 0.261799387799); |
| 271 |
+ rp = &roachPix[rx]; |
| 272 |
+ rp->pixmap = XCreateBitmapFromData(display, |
| 273 |
+ rootWin, |
| 274 |
+ rp->roachBits, |
| 275 |
+ (unsigned int) rp->width, |
| 276 |
+ (unsigned int) rp->height); |
| 277 |
+ rp->sine = (float) sin(angle); |
| 278 |
+ rp->cosine = (float) cos(angle); |
| 279 |
} |
| 280 |
|
| 281 |
/* |
| 282 |
Create the squished pixmap |
| 283 |
*/ |
| 284 |
- if (squishRoach) { |
| 285 |
- squishMap = XCreateBitmapFromData(display, rootWin, |
| 286 |
- squish_bits, squish_width, squish_height); |
| 287 |
- } |
| 288 |
+ if (squishRoach) |
| 289 |
+ squishMap = XCreateBitmapFromData(display, |
| 290 |
+ rootWin, |
| 291 |
+ squish_bits, |
| 292 |
+ squish_width, |
| 293 |
+ squish_height); |
| 294 |
|
| 295 |
- roaches = (Roach *)malloc(sizeof(Roach) * maxRoaches); |
| 296 |
+ roaches = (Roach *) malloc(sizeof(Roach) * maxRoaches); |
| 297 |
|
| 298 |
gc = XCreateGC(display, rootWin, 0L, &xgcv); |
| 299 |
XSetForeground(display, gc, AllocNamedColor(roachColor, black)); |
| 300 |
XSetFillStyle(display, gc, FillStippled); |
| 301 |
|
| 302 |
- if (squishRoach && gutsColor != NULL) { |
| 303 |
+ if (squishRoach && gutsColor != NULL) |
| 304 |
+ { |
| 305 |
gutsGC = XCreateGC(display, rootWin, 0L, &xgcv); |
| 306 |
XSetForeground(display, gutsGC, AllocNamedColor(gutsColor, black)); |
| 307 |
XSetFillStyle(display, gutsGC, FillStippled); |
| 308 |
} |
| 309 |
else |
| 310 |
- gutsGC = gc; |
| 311 |
- |
| 312 |
+ { |
| 313 |
+ gutsGC = gc; |
| 314 |
+ } |
| 315 |
+ |
| 316 |
while (curRoaches < maxRoaches) |
| 317 |
- AddRoach(); |
| 318 |
- |
| 319 |
+ AddRoach(); |
| 320 |
+ |
| 321 |
XSelectInput(display, rootWin, ExposureMask | SubstructureNotifyMask); |
| 322 |
|
| 323 |
- if (squishRoach) { |
| 324 |
- xswa.event_mask = ButtonPressMask; |
| 325 |
- xswa.override_redirect = True; |
| 326 |
- squishWin = XCreateWindow(display, rootWin, 0, 0, |
| 327 |
- display_width, display_height, 0, |
| 328 |
- CopyFromParent, InputOnly, CopyFromParent, |
| 329 |
- CWOverrideRedirect | CWEventMask, &xswa); |
| 330 |
- XLowerWindow(display, squishWin); |
| 331 |
+ if (squishRoach) |
| 332 |
+ { |
| 333 |
+ xswa.event_mask = ButtonPressMask; |
| 334 |
+ xswa.override_redirect = True; |
| 335 |
+ squishWin = XCreateWindow(display, |
| 336 |
+ rootWin, |
| 337 |
+ 0, 0, |
| 338 |
+ display_width, display_height, |
| 339 |
+ 0, |
| 340 |
+ CopyFromParent, InputOnly, CopyFromParent, |
| 341 |
+ CWOverrideRedirect | CWEventMask, |
| 342 |
+ &xswa); |
| 343 |
+ XLowerWindow(display, squishWin); |
| 344 |
} |
| 345 |
- |
| 346 |
+ |
| 347 |
needCalc = 1; |
| 348 |
- while (!done) { |
| 349 |
- if (XPending(display)) { |
| 350 |
- XNextEvent(display, &ev); |
| 351 |
- } |
| 352 |
- else { |
| 353 |
- if (needCalc) { |
| 354 |
- needCalc = CalcRootVisible(); |
| 355 |
- } |
| 356 |
- if (needCalc) |
| 357 |
- nVis = 0; |
| 358 |
- else |
| 359 |
- nVis = MarkHiddenRoaches(); |
| 360 |
- if (nVis) { |
| 361 |
- ev.type = SCAMPER_EVENT; |
| 362 |
- if (!squishWinUp && squishRoach) { |
| 363 |
- XMapWindow(display, squishWin); |
| 364 |
- squishWinUp = True; |
| 365 |
- } |
| 366 |
- } |
| 367 |
- else { |
| 368 |
- if (squishWinUp && squishRoach) { |
| 369 |
- XUnmapWindow(display, squishWin); |
| 370 |
- squishWinUp = False; |
| 371 |
- } |
| 372 |
- if (needCalc == 0) |
| 373 |
- DrawRoaches(); |
| 374 |
- eventBlock = 1; |
| 375 |
- XNextEvent(display, &ev); |
| 376 |
- eventBlock = 0; |
| 377 |
- } |
| 378 |
- } |
| 379 |
- |
| 380 |
- switch (ev.type) { |
| 381 |
- |
| 382 |
- case SCAMPER_EVENT: |
| 383 |
- for (rx=0; rx<curRoaches; rx++) { |
| 384 |
- if (!roaches[rx].hidden) |
| 385 |
- MoveRoach(rx); |
| 386 |
- } |
| 387 |
- DrawRoaches(); |
| 388 |
- XSync(display, False); |
| 389 |
- break; |
| 390 |
- |
| 391 |
- case UnmapNotify: |
| 392 |
- if (ev.xunmap.window != squishWin) |
| 393 |
- needCalc = 1; |
| 394 |
- break; |
| 395 |
- |
| 396 |
- case MapNotify: |
| 397 |
- case Expose: |
| 398 |
- case ConfigureNotify: |
| 399 |
- needCalc = 1; |
| 400 |
- break; |
| 401 |
- |
| 402 |
- case ButtonPress: |
| 403 |
- checkSquish(&ev); |
| 404 |
- break; |
| 405 |
- |
| 406 |
- } |
| 407 |
+ |
| 408 |
+ while (!done) |
| 409 |
+ { |
| 410 |
+ if (XPending(display)) |
| 411 |
+ { |
| 412 |
+ XNextEvent(display, &ev); |
| 413 |
+ } |
| 414 |
+ else |
| 415 |
+ { |
| 416 |
+ if (needCalc) |
| 417 |
+ needCalc = CalcRootVisible(); |
| 418 |
+ |
| 419 |
+ if (needCalc) |
| 420 |
+ nVis = 0; |
| 421 |
+ else |
| 422 |
+ nVis = MarkHiddenRoaches(); |
| 423 |
+ |
| 424 |
+ ev.type = SCAMPER_EVENT; |
| 425 |
+ |
| 426 |
+ if (nVis) |
| 427 |
+ { |
| 428 |
+ if (!squishWinUp && squishRoach) |
| 429 |
+ { |
| 430 |
+ XMapWindow(display, squishWin); |
| 431 |
+ squishWinUp = True; |
| 432 |
+ } |
| 433 |
+ } |
| 434 |
+ else |
| 435 |
+ { |
| 436 |
+ if (squishWinUp && squishRoach) |
| 437 |
+ { |
| 438 |
+ XUnmapWindow(display, squishWin); |
| 439 |
+ squishWinUp = False; |
| 440 |
+ } |
| 441 |
+ |
| 442 |
+ /* |
| 443 |
+ if (needCalc == 0) |
| 444 |
+ DrawRoaches(); |
| 445 |
+ |
| 446 |
+ eventBlock = 1; |
| 447 |
+ XNextEvent(display, &ev); |
| 448 |
+ eventBlock = 0; |
| 449 |
+ */ |
| 450 |
+ } |
| 451 |
+ } |
| 452 |
+ |
| 453 |
+ switch (ev.type) |
| 454 |
+ { |
| 455 |
+ case SCAMPER_EVENT: |
| 456 |
+ for (int rx = 0; rx < curRoaches; rx++) |
| 457 |
+ if (!roaches[rx].hidden) |
| 458 |
+ MoveRoach(rx); |
| 459 |
+ |
| 460 |
+ DrawRoaches(); |
| 461 |
+ XFlush(display); |
| 462 |
+ usleep(20000); |
| 463 |
+ XSync(display, False); |
| 464 |
+ break; |
| 465 |
+ |
| 466 |
+ case UnmapNotify: |
| 467 |
+ if (ev.xunmap.window != squishWin) |
| 468 |
+ needCalc = 1; |
| 469 |
+ break; |
| 470 |
+ |
| 471 |
+ case MapNotify: |
| 472 |
+ case Expose: |
| 473 |
+ case ConfigureNotify: |
| 474 |
+ needCalc = 1; |
| 475 |
+ break; |
| 476 |
+ |
| 477 |
+ case ButtonPress: |
| 478 |
+ checkSquish(&ev); |
| 479 |
+ done = !curRoaches; /* Stop program if there are no more roaches */ |
| 480 |
+ break; |
| 481 |
+ |
| 482 |
+ default: |
| 483 |
+ break; |
| 484 |
+ } |
| 485 |
} |
| 486 |
- |
| 487 |
+ |
| 43 |
CoverRoot(); |
488 |
CoverRoot(); |
| 44 |
|
489 |
- |
| 45 |
XCloseDisplay(display); |
490 |
XCloseDisplay(display); |
| 46 |
+ return(0); |
491 |
+ free(roaches); |
|
|
492 |
+ return 0; |
| 47 |
} |
493 |
} |
| 48 |
|
494 |
|
| 49 |
#define USEPRT(msg) fprintf(stderr, msg) |
495 |
#define USEPRT(msg) fprintf(stderr, msg) |
| 50 |
@@ -465,7 +470,7 @@ |
496 |
|
|
|
497 |
-void |
| 498 |
-Usage() |
| 499 |
+void Usage() |
| 500 |
{ |
| 501 |
USEPRT("Usage: xroach [options]\n\n"); |
| 502 |
USEPRT("Options:\n"); |
| 503 |
@@ -305,314 +345,345 @@ |
| 504 |
USEPRT(" -speed roachspeed\n"); |
| 505 |
USEPRT(" -squish\n"); |
| 506 |
USEPRT(" -rgc roachgutscolor\n"); |
| 507 |
- |
| 508 |
+ |
| 509 |
exit(1); |
| 510 |
} |
| 511 |
|
| 512 |
-void |
| 513 |
-SigHandler() |
| 514 |
+void SigHandler() |
| 515 |
{ |
| 516 |
- |
| 517 |
/* |
| 518 |
If we are blocked, no roaches are visible and we can just bail |
| 519 |
out. If we are not blocked, then let the main procedure clean |
| 520 |
up the root window. |
| 521 |
*/ |
| 522 |
- if (eventBlock) { |
| 523 |
- XCloseDisplay(display); |
| 524 |
- exit(0); |
| 525 |
+ if (eventBlock) |
| 526 |
+ { |
| 527 |
+ XCloseDisplay(display); |
| 528 |
+ exit(0); |
| 529 |
} |
| 530 |
- else { |
| 531 |
- done = 1; |
| 532 |
+ else |
| 533 |
+ { |
| 534 |
+ done = 1; |
| 535 |
} |
| 536 |
} |
| 537 |
|
| 538 |
/* |
| 539 |
Find the root or virtual root window. |
| 540 |
*/ |
| 541 |
-Window |
| 542 |
-FindRootWindow() |
| 543 |
+Window FindRootWindow() |
| 544 |
{ |
| 545 |
- Window rootWin; |
| 546 |
- Window realRoot; |
| 547 |
+ Atom actualType; |
| 548 |
Atom swmVroot; |
| 549 |
- Window rootReturn, parentReturn, *children; |
| 550 |
+ int actualFormat; |
| 551 |
+ unsigned char *newRoot; |
| 552 |
unsigned int numChildren; |
| 553 |
- int cx; |
| 554 |
- Atom actualType; |
| 555 |
- Atom actualFormat; |
| 556 |
- unsigned long nItems; |
| 557 |
unsigned long bytesAfter; |
| 558 |
- Window *newRoot; |
| 559 |
- |
| 560 |
+ unsigned long nItems; |
| 561 |
+ Window *children; |
| 562 |
+ Window parentReturn; |
| 563 |
+ Window realRoot; |
| 564 |
+ Window rootReturn; |
| 565 |
+ Window rootWin; |
| 566 |
+ |
| 567 |
/* |
| 568 |
Get real root window. |
| 569 |
*/ |
| 570 |
realRoot = rootWin = RootWindow(display, screen); |
| 571 |
- |
| 572 |
+ |
| 573 |
/* |
| 574 |
Get atom for virtual root property. If the atom doesn't |
| 575 |
exist, we can assume the corresponding property does not |
| 576 |
exist. |
| 577 |
*/ |
| 578 |
swmVroot = XInternAtom(display, "__SWM_VROOT", True); |
| 579 |
- |
| 580 |
+ |
| 581 |
if (swmVroot == None) |
| 582 |
- return rootWin; |
| 583 |
- |
| 584 |
+ return rootWin; |
| 585 |
+ |
| 586 |
/* |
| 587 |
Run children of root, looking for a virtual root. |
| 588 |
*/ |
| 589 |
- XQueryTree(display, rootWin, &rootReturn, &parentReturn, |
| 590 |
- &children, &numChildren); |
| 591 |
- for (cx=0; cx<numChildren; cx++) { |
| 592 |
- newRoot = NULL; |
| 593 |
- nItems = 0; |
| 594 |
- if (XGetWindowProperty(display, children[cx], swmVroot, 0L, 1L, False, |
| 595 |
- XA_WINDOW, &actualType, &actualFormat, &nItems, |
| 596 |
- &bytesAfter, &newRoot) == Success && actualFormat != None) { |
| 597 |
- if (nItems >= 1) { |
| 598 |
- rootWin = *newRoot; |
| 599 |
- } |
| 600 |
- if (newRoot) { |
| 601 |
- XFree(newRoot); |
| 602 |
- } |
| 603 |
- } |
| 604 |
- if (rootWin != realRoot) break; |
| 605 |
+ XQueryTree(display, |
| 606 |
+ rootWin, |
| 607 |
+ &rootReturn, |
| 608 |
+ &parentReturn, |
| 609 |
+ &children, |
| 610 |
+ &numChildren); |
| 611 |
+ |
| 612 |
+ for (int cx = 0; cx < numChildren; cx++) |
| 613 |
+ { |
| 614 |
+ newRoot = NULL; |
| 615 |
+ nItems = 0; |
| 616 |
+ |
| 617 |
+ if (XGetWindowProperty(display, |
| 618 |
+ children[cx], |
| 619 |
+ swmVroot, |
| 620 |
+ 0, |
| 621 |
+ 1, |
| 622 |
+ False, |
| 623 |
+ XA_WINDOW, |
| 624 |
+ &actualType, |
| 625 |
+ &actualFormat, |
| 626 |
+ &nItems, |
| 627 |
+ &bytesAfter, |
| 628 |
+ &newRoot) == Success && actualFormat != None) |
| 629 |
+ { |
| 630 |
+ if (nItems >= 1) |
| 631 |
+ rootWin = *newRoot; |
| 632 |
+ |
| 633 |
+ if (newRoot) |
| 634 |
+ XFree(newRoot); |
| 635 |
+ } |
| 636 |
+ |
| 637 |
+ if (rootWin != realRoot) |
| 638 |
+ break; |
| 639 |
} |
| 640 |
+ |
| 641 |
XFree(children); |
| 642 |
- |
| 643 |
+ |
| 644 |
return rootWin; |
| 645 |
} |
| 646 |
|
| 647 |
/* |
| 648 |
Generate random integer between 0 and maxVal-1. |
| 649 |
*/ |
| 650 |
-int |
| 651 |
-RandInt(maxVal) |
| 652 |
-int maxVal; |
| 653 |
+int RandInt(int maxVal) |
| 654 |
{ |
| 655 |
- return rand() % maxVal; |
| 656 |
+ return rand() % maxVal; |
| 657 |
} |
| 658 |
|
| 659 |
/* |
| 660 |
Check for roach completely in specified rectangle. |
| 661 |
*/ |
| 662 |
-int |
| 663 |
-RoachInRect(roach, rx, ry, x, y, width, height) |
| 664 |
-Roach *roach; |
| 665 |
-int rx; |
| 666 |
-int ry; |
| 667 |
-int x; |
| 668 |
-int y; |
| 669 |
-unsigned int width; |
| 670 |
-unsigned int height; |
| 671 |
-{ |
| 672 |
- if (rx < x) return 0; |
| 673 |
- if ((rx + roach->rp->width) > (x + width)) return 0; |
| 674 |
- if (ry < y) return 0; |
| 675 |
- if ((ry + roach->rp->height) > (y + height)) return 0; |
| 676 |
- |
| 677 |
+int RoachInRect(Roach *roach, int rx, int ry, int x, int y, unsigned int width, unsigned int height) |
| 678 |
+{ |
| 679 |
+ if (rx < x) |
| 680 |
+ return 0; |
| 681 |
+ |
| 682 |
+ if ((rx + roach->rp->width) > (x + width)) |
| 683 |
+ return 0; |
| 684 |
+ |
| 685 |
+ if (ry < y) |
| 686 |
+ return 0; |
| 687 |
+ |
| 688 |
+ if ((ry + roach->rp->height) > (y + height)) |
| 689 |
+ return 0; |
| 690 |
+ |
| 691 |
return 1; |
| 692 |
} |
| 693 |
|
| 694 |
/* |
| 695 |
Check for roach overlapping specified rectangle. |
| 696 |
*/ |
| 697 |
-int |
| 698 |
-RoachOverRect(roach, rx, ry, x, y, width, height) |
| 699 |
-Roach *roach; |
| 700 |
-int rx; |
| 701 |
-int ry; |
| 702 |
-int x; |
| 703 |
-int y; |
| 704 |
-unsigned int width; |
| 705 |
-unsigned int height; |
| 706 |
-{ |
| 707 |
- if (rx >= (x + width)) return 0; |
| 708 |
- if ((rx + roach->rp->width) <= x) return 0; |
| 709 |
- if (ry >= (y + height)) return 0; |
| 710 |
- if ((ry + roach->rp->height) <= y) return 0; |
| 711 |
- |
| 712 |
+int RoachOverRect(Roach *roach, int rx, int ry, int x, int y, unsigned int width, unsigned int height) |
| 713 |
+{ |
| 714 |
+ if (rx >= (x + width)) |
| 715 |
+ return 0; |
| 716 |
+ |
| 717 |
+ if ((rx + roach->rp->width) <= x) |
| 718 |
+ return 0; |
| 719 |
+ |
| 720 |
+ if (ry >= (y + height)) |
| 721 |
+ return 0; |
| 722 |
+ |
| 723 |
+ if ((ry + roach->rp->height) <= y) |
| 724 |
+ return 0; |
| 725 |
+ |
| 726 |
return 1; |
| 727 |
} |
| 728 |
|
| 729 |
/* |
| 730 |
Give birth to a roach. |
| 731 |
*/ |
| 732 |
-void |
| 733 |
-AddRoach() |
| 734 |
+void AddRoach() |
| 735 |
{ |
| 736 |
Roach *r; |
| 737 |
- |
| 738 |
- if (curRoaches < maxRoaches) { |
| 739 |
- r = &roaches[curRoaches++]; |
| 740 |
- r->index = RandInt(ROACH_HEADINGS); |
| 741 |
- r->rp = &roachPix[r->index]; |
| 742 |
- r->x = RandInt(display_width - r->rp->width); |
| 743 |
- r->y = RandInt(display_height - r->rp->height); |
| 744 |
- r->intX = -1; |
| 745 |
- r->intY = -1; |
| 746 |
- r->hidden = 0; |
| 747 |
- r->steps = RandInt(200); |
| 748 |
- r->turnLeft = RandInt(100) >= 50; |
| 749 |
+ |
| 750 |
+ if (curRoaches < maxRoaches) |
| 751 |
+ { |
| 752 |
+ r = &roaches[curRoaches++]; |
| 753 |
+ r->index = RandInt(ROACH_HEADINGS); |
| 754 |
+ r->rp = &roachPix[r->index]; |
| 755 |
+ r->x = RandInt(display_width - r->rp->width); |
| 756 |
+ r->y = RandInt(display_height - r->rp->height); |
| 757 |
+ r->intX = -1; |
| 758 |
+ r->intY = -1; |
| 759 |
+ r->hidden = 0; |
| 760 |
+ r->steps = RandInt((int) turnSpeed); |
| 761 |
+ r->turnLeft = RandInt(100) >= 50; |
| 762 |
} |
| 763 |
} |
| 764 |
|
| 765 |
/* |
| 766 |
Turn a roach. |
| 767 |
*/ |
| 768 |
-void |
| 769 |
-TurnRoach(roach) |
| 770 |
-Roach *roach; |
| 771 |
-{ |
| 772 |
- if (roach->index != (roach->rp - roachPix)) return; |
| 773 |
- |
| 774 |
- if (roach->turnLeft) { |
| 775 |
- roach->index += (RandInt(30) / 10) + 1; |
| 776 |
- if (roach->index >= ROACH_HEADINGS) |
| 777 |
- roach->index -= ROACH_HEADINGS; |
| 778 |
- } |
| 779 |
- else { |
| 780 |
- roach->index -= (RandInt(30) / 10) + 1; |
| 781 |
- if (roach->index < 0) |
| 782 |
- roach->index += ROACH_HEADINGS; |
| 783 |
+void TurnRoach(Roach *roach) |
| 784 |
+{ |
| 785 |
+ if (roach->index != (roach->rp - roachPix)) |
| 786 |
+ return; |
| 787 |
+ |
| 788 |
+ if (roach->turnLeft) |
| 789 |
+ { |
| 790 |
+ roach->index += (RandInt(30) / 10) + 1; |
| 791 |
+ |
| 792 |
+ if (roach->index >= ROACH_HEADINGS) |
| 793 |
+ roach->index -= ROACH_HEADINGS; |
| 794 |
+ } else |
| 795 |
+ { |
| 796 |
+ roach->index -= (RandInt(30) / 10) + 1; |
| 797 |
+ |
| 798 |
+ if (roach->index < 0) |
| 799 |
+ roach->index += ROACH_HEADINGS; |
| 800 |
} |
| 801 |
} |
| 802 |
|
| 803 |
/* |
| 804 |
Move a roach. |
| 805 |
*/ |
| 806 |
-void |
| 807 |
-MoveRoach(rx) |
| 808 |
-int rx; |
| 809 |
+void MoveRoach(int rx) |
| 810 |
{ |
| 811 |
- Roach *roach; |
| 812 |
- Roach *r2; |
| 813 |
float newX; |
| 814 |
float newY; |
| 815 |
- int ii; |
| 816 |
- |
| 817 |
+ Roach *roach; |
| 818 |
+ |
| 819 |
roach = &roaches[rx]; |
| 820 |
newX = roach->x + (roachSpeed * roach->rp->cosine); |
| 821 |
newY = roach->y - (roachSpeed * roach->rp->sine); |
| 822 |
- |
| 823 |
- if (RoachInRect(roach, (int)newX, (int)newY, |
| 824 |
- 0, 0, display_width, display_height)) { |
| 825 |
- |
| 826 |
- roach->x = newX; |
| 827 |
- roach->y = newY; |
| 828 |
- |
| 829 |
- if (roach->steps-- <= 0) { |
| 830 |
- TurnRoach(roach); |
| 831 |
- roach->steps = RandInt(200); |
| 832 |
- } |
| 833 |
- |
| 834 |
- for (ii=rx+1; ii<curRoaches; ii++) { |
| 835 |
- r2 = &roaches[ii]; |
| 836 |
- if (RoachOverRect(roach, (int)newX, (int)newY, |
| 837 |
- r2->intX, r2->intY, r2->rp->width, r2->rp->height)) { |
| 838 |
- |
| 839 |
- TurnRoach(roach); |
| 840 |
- } |
| 841 |
- } |
| 842 |
+ |
| 843 |
+ if (RoachInRect(roach, |
| 844 |
+ (int) newX, (int) newY, |
| 845 |
+ 0, 0, |
| 846 |
+ display_width, display_height)) |
| 847 |
+ { |
| 848 |
+ roach->x = newX; |
| 849 |
+ roach->y = newY; |
| 850 |
+ |
| 851 |
+ if (roach->steps-- <= 0) |
| 852 |
+ { |
| 853 |
+ TurnRoach(roach); |
| 854 |
+ roach->steps = RandInt((int) turnSpeed); |
| 855 |
+ |
| 856 |
+ /* |
| 857 |
+ Previously, roaches would just go around in circles. |
| 858 |
+ This makes their movement more interesting (and disgusting too!). |
| 859 |
+ */ |
| 860 |
+ if (RandInt(100) >= 80) |
| 861 |
+ roach->turnLeft ^= 1; |
| 862 |
+ } |
| 863 |
+ |
| 864 |
+ /* This is a kind of anti-collision algorithm which doesn't do what it is supposed to do, |
| 865 |
+ it eats CPU time and sometimes makes roaches spin around very crazy. Therefore it is |
| 866 |
+ commented out. |
| 867 |
+ |
| 868 |
+ for (int ii = rx + 2; ii < curRoaches; ii++) { |
| 869 |
+ r2 = &roaches[ii]; |
| 870 |
+ |
| 871 |
+ if (RoachOverRect(roach, |
| 872 |
+ (int) newX, (int) newY, |
| 873 |
+ r2->intX, r2->intY, |
| 874 |
+ (unsigned int) r2->rp->width, (unsigned int) r2->rp->height)) |
| 875 |
+ TurnRoach(roach); |
| 876 |
+ |
| 877 |
+ } |
| 878 |
+ */ |
| 879 |
} |
| 880 |
- else { |
| 881 |
- TurnRoach(roach); |
| 882 |
+ else |
| 883 |
+ { |
| 884 |
+ TurnRoach(roach); |
| 885 |
} |
| 886 |
} |
| 887 |
- |
| 888 |
+ |
| 889 |
/* |
| 890 |
Draw all roaches. |
| 891 |
*/ |
| 892 |
-void |
| 893 |
-DrawRoaches() |
| 894 |
+void DrawRoaches() |
| 895 |
{ |
| 896 |
Roach *roach; |
| 897 |
- int rx; |
| 898 |
- |
| 899 |
- for (rx=0; rx<curRoaches; rx++) { |
| 900 |
- roach = &roaches[rx]; |
| 901 |
- |
| 902 |
- if (roach->intX >= 0 && roach->rp != NULL) { |
| 903 |
- XClearArea(display, rootWin, roach->intX, roach->intY, |
| 904 |
- roach->rp->width, roach->rp->height, False); |
| 905 |
- } |
| 906 |
- } |
| 907 |
- |
| 908 |
- for (rx=0; rx<curRoaches; rx++) { |
| 909 |
- roach = &roaches[rx]; |
| 910 |
- |
| 911 |
- if (!roach->hidden) { |
| 912 |
- roach->intX = roach->x; |
| 913 |
- roach->intY = roach->y; |
| 914 |
- roach->rp = &roachPix[roach->index]; |
| 915 |
- |
| 916 |
- XSetStipple(display, gc, roach->rp->pixmap); |
| 917 |
- XSetTSOrigin(display, gc, roach->intX, roach->intY); |
| 918 |
- XFillRectangle(display, rootWin, gc, |
| 919 |
- roach->intX, roach->intY, roach->rp->width, roach->rp->height); |
| 920 |
- } |
| 921 |
- else { |
| 922 |
- roach->intX = -1; |
| 923 |
- } |
| 924 |
+ |
| 925 |
+ for (int rx = 0; rx < curRoaches; rx++) |
| 926 |
+ { |
| 927 |
+ roach = &roaches[rx]; |
| 928 |
+ |
| 929 |
+ if (!roach->hidden) |
| 930 |
+ { |
| 931 |
+ XClearArea(display, |
| 932 |
+ rootWin, |
| 933 |
+ roach->intX, |
| 934 |
+ roach->intY, |
| 935 |
+ (unsigned int) roach->rp->width, |
| 936 |
+ (unsigned int) roach->rp->height, |
| 937 |
+ False); |
| 938 |
+ |
| 939 |
+ roach->intX = (int) roach->x; |
| 940 |
+ roach->intY = (int) roach->y; |
| 941 |
+ roach->rp = &roachPix[roach->index]; |
| 942 |
+ |
| 943 |
+ XSetStipple(display, gc, roach->rp->pixmap); |
| 944 |
+ XSetTSOrigin(display, gc, roach->intX, roach->intY); |
| 945 |
+ XFillRectangle(display, |
| 946 |
+ rootWin, |
| 947 |
+ gc, |
| 948 |
+ roach->intX, |
| 949 |
+ roach->intY, |
| 950 |
+ (unsigned int) roach->rp->width, |
| 951 |
+ (unsigned int) roach->rp->height); |
| 952 |
+ } |
| 953 |
+ else |
| 954 |
+ { |
| 955 |
+ roach->intX = -1; |
| 956 |
+ } |
| 957 |
} |
| 958 |
} |
| 959 |
|
| 960 |
/* |
| 961 |
Cover root window to erase roaches. |
| 962 |
*/ |
| 963 |
-void |
| 964 |
-CoverRoot() |
| 965 |
+void CoverRoot() |
| 966 |
{ |
| 967 |
- XSetWindowAttributes xswa; |
| 968 |
long wamask; |
| 969 |
Window roachWin; |
| 970 |
- |
| 971 |
+ XSetWindowAttributes xswa; |
| 972 |
+ |
| 973 |
xswa.background_pixmap = ParentRelative; |
| 974 |
xswa.override_redirect = True; |
| 975 |
wamask = CWBackPixmap | CWOverrideRedirect; |
| 976 |
- roachWin = XCreateWindow(display, rootWin, 0, 0, |
| 977 |
- display_width, display_height, 0, CopyFromParent, |
| 978 |
- InputOutput, CopyFromParent, wamask, &xswa); |
| 979 |
+ roachWin = XCreateWindow(display, rootWin, |
| 980 |
+ 0, 0, |
| 981 |
+ display_width, display_height, |
| 982 |
+ 0, |
| 983 |
+ CopyFromParent, InputOutput, CopyFromParent, |
| 984 |
+ (unsigned long) wamask, &xswa); |
| 985 |
XLowerWindow(display, roachWin); |
| 986 |
XMapWindow(display, roachWin); |
| 987 |
XFlush(display); |
| 988 |
-} |
| 989 |
+} |
| 990 |
|
| 991 |
#if !GRAB_SERVER |
| 992 |
- |
| 993 |
-int |
| 994 |
-RoachErrors(dpy, err) |
| 995 |
-Display *dpy; |
| 996 |
-XErrorEvent *err; |
| 997 |
+int RoachErrors(XErrorEvent *err) |
| 998 |
{ |
| 999 |
errorVal = err->error_code; |
| 1000 |
- |
| 1001 |
+ |
| 1002 |
return 0; |
| 1003 |
} |
| 1004 |
- |
| 1005 |
#endif /* GRAB_SERVER */ |
| 1006 |
|
| 1007 |
/* |
| 1008 |
- Calculate Visible region of root window. |
| 1009 |
+ Calculate visible region of root window. |
| 1010 |
*/ |
| 1011 |
-int |
| 1012 |
-CalcRootVisible() |
| 1013 |
+int CalcRootVisible() |
| 1014 |
{ |
| 1015 |
+ int winX, winY; |
| 51 |
Region covered; |
1016 |
Region covered; |
| 52 |
Region visible; |
1017 |
Region visible; |
|
|
1018 |
+ unsigned int borderWidth; |
| 1019 |
+ unsigned int depth; |
| 1020 |
+ unsigned int nChildren; |
| 1021 |
+ unsigned int winHeight, winWidth; |
| 53 |
Window *children; |
1022 |
Window *children; |
| 54 |
- int nChildren; |
1023 |
- int nChildren; |
| 55 |
+ unsigned int nChildren; |
|
|
| 56 |
Window dummy; |
1024 |
Window dummy; |
| 57 |
XWindowAttributes wa; |
1025 |
- XWindowAttributes wa; |
| 58 |
int wx; |
1026 |
- int wx; |
|
|
1027 |
XRectangle rect; |
| 1028 |
- int winX, winY; |
| 1029 |
- unsigned int winHeight, winWidth; |
| 1030 |
- unsigned int borderWidth; |
| 1031 |
- unsigned int depth; |
| 1032 |
- |
| 1033 |
+ XWindowAttributes wa; |
| 1034 |
+ |
| 1035 |
/* |
| 1036 |
If we don't grab the server, the XGetWindowAttribute or XGetGeometry |
| 1037 |
calls can abort us. On the other hand, the server grabs can make for |
| 1038 |
@@ -628,64 +699,83 @@ |
| 1039 |
Get children of root. |
| 1040 |
*/ |
| 1041 |
XQueryTree(display, rootWin, &dummy, &dummy, &children, &nChildren); |
| 1042 |
- |
| 1043 |
+ |
| 1044 |
/* |
| 1045 |
For each mapped child, add the window rectangle to the covered |
| 1046 |
region. |
| 1047 |
*/ |
| 1048 |
covered = XCreateRegion(); |
| 1049 |
- for (wx=0; wx<nChildren; wx++) { |
| 1050 |
- if (XEventsQueued(display, QueuedAlready)) { |
| 1051 |
- XDestroyRegion(covered); |
| 1052 |
- return 1; |
| 1053 |
- } |
| 1054 |
- errorVal = 0; |
| 1055 |
- XGetWindowAttributes(display, children[wx], &wa); |
| 1056 |
- if (errorVal) continue; |
| 1057 |
- if (wa.class == InputOutput && wa.map_state == IsViewable) { |
| 1058 |
- XGetGeometry(display, children[wx], &dummy, &winX, &winY, |
| 1059 |
- &winWidth, &winHeight, &borderWidth, &depth); |
| 1060 |
- if (errorVal) continue; |
| 1061 |
- rect.x = winX; |
| 1062 |
- rect.y = winY; |
| 1063 |
- rect.width = winWidth + (borderWidth * 2); |
| 1064 |
- rect.height = winHeight + (borderWidth * 2); |
| 1065 |
- XUnionRectWithRegion(&rect, covered, covered); |
| 1066 |
- } |
| 1067 |
+ |
| 1068 |
+ for (int wx = 0; wx < nChildren; wx++) |
| 1069 |
+ { |
| 1070 |
+ if (XEventsQueued(display, QueuedAlready)) |
| 1071 |
+ { |
| 1072 |
+ XDestroyRegion(covered); |
| 1073 |
+ return 1; |
| 1074 |
+ } |
| 1075 |
+ |
| 1076 |
+ errorVal = 0; |
| 1077 |
+ XGetWindowAttributes(display, children[wx], &wa); |
| 1078 |
+ |
| 1079 |
+ if (errorVal) |
| 1080 |
+ continue; |
| 1081 |
+ |
| 1082 |
+ if (wa.class == InputOutput && wa.map_state == IsViewable) |
| 1083 |
+ { |
| 1084 |
+ XGetGeometry(display, children[wx], &dummy, |
| 1085 |
+ &winX, &winY, |
| 1086 |
+ &winWidth, &winHeight, |
| 1087 |
+ &borderWidth, &depth); |
| 1088 |
+ |
| 1089 |
+ if (errorVal) |
| 1090 |
+ continue; |
| 1091 |
+ |
| 1092 |
+ rect.x = (short) winX; |
| 1093 |
+ rect.y = (short) winY; |
| 1094 |
+ |
| 1095 |
+ rect.width = (unsigned short) (winWidth + (borderWidth * 2)); |
| 1096 |
+ rect.height = (unsigned short) (winHeight + (borderWidth * 2)); |
| 1097 |
+ |
| 1098 |
+ XUnionRectWithRegion(&rect, covered, covered); |
| 1099 |
+ } |
| 1100 |
} |
| 1101 |
+ |
| 1102 |
XFree(children); |
| 1103 |
|
| 1104 |
#if GRAB_SERVER |
| 1105 |
XUngrabServer(display); |
| 1106 |
#else |
| 1107 |
- XSetErrorHandler((ErrorHandler *)NULL); |
| 1108 |
+ XSetErrorHandler((ErrorHandler *) NULL); |
| 1109 |
#endif |
| 1110 |
- |
| 1111 |
+ |
| 1112 |
/* |
| 1113 |
Subtract the covered region from the root window region. |
| 1114 |
*/ |
| 1115 |
visible = XCreateRegion(); |
| 1116 |
+ |
| 1117 |
rect.x = 0; |
| 1118 |
rect.y = 0; |
| 1119 |
- rect.width = display_width; |
| 1120 |
- rect.height = display_height; |
| 1121 |
+ |
| 1122 |
+ rect.width = (unsigned short) display_width; |
| 1123 |
+ rect.height = (unsigned short) display_height; |
| 1124 |
+ |
| 1125 |
XUnionRectWithRegion(&rect, visible, visible); |
| 1126 |
XSubtractRegion(visible, covered, visible); |
| 1127 |
XDestroyRegion(covered); |
| 1128 |
- |
| 1129 |
+ |
| 1130 |
/* |
| 1131 |
Save visible region globally. |
| 1132 |
*/ |
| 1133 |
if (rootVisible) |
| 1134 |
- XDestroyRegion(rootVisible); |
| 1135 |
+ XDestroyRegion(rootVisible); |
| 1136 |
+ |
| 1137 |
rootVisible = visible; |
| 1138 |
- |
| 1139 |
- |
| 1140 |
+ |
| 1141 |
/* |
| 1142 |
Mark all roaches visible. |
| 1143 |
*/ |
| 1144 |
- for (wx=0; wx<curRoaches; wx++) |
| 1145 |
- roaches[wx].hidden = 0; |
| 1146 |
+ for (int wx = 0; wx < curRoaches; wx++) |
| 1147 |
+ roaches[wx].hidden = 0; |
| 1148 |
|
| 1149 |
return 0; |
| 1150 |
} |
| 1151 |
@@ -693,91 +783,92 @@ |
| 1152 |
/* |
| 1153 |
Mark hidden roaches. |
| 1154 |
*/ |
| 1155 |
-int |
| 1156 |
-MarkHiddenRoaches() |
| 1157 |
+int MarkHiddenRoaches() |
| 1158 |
{ |
| 1159 |
- int rx; |
| 1160 |
- Roach *r; |
| 1161 |
int nVisible; |
| 1162 |
- |
| 1163 |
+ Roach *r; |
| 1164 |
+ |
| 1165 |
nVisible = 0; |
| 1166 |
- for (rx=0; rx<curRoaches; rx++) { |
| 1167 |
- r = &roaches[rx]; |
| 1168 |
- |
| 1169 |
- if (!r->hidden) { |
| 1170 |
- if (r->intX > 0 && XRectInRegion(rootVisible, r->intX, r->intY, |
| 1171 |
- r->rp->width, r->rp->height) == RectangleOut) { |
| 1172 |
- r->hidden = 1; |
| 1173 |
- } |
| 1174 |
- else { |
| 1175 |
- nVisible++; |
| 1176 |
- } |
| 1177 |
- } |
| 1178 |
+ |
| 1179 |
+ for (int rx = 0; rx < curRoaches; rx++) |
| 1180 |
+ { |
| 1181 |
+ r = &roaches[rx]; |
| 1182 |
+ |
| 1183 |
+ if (!r->hidden) |
| 1184 |
+ { |
| 1185 |
+ if (r->intX > 0 && XRectInRegion(rootVisible, |
| 1186 |
+ r->intX, |
| 1187 |
+ r->intY, |
| 1188 |
+ (unsigned int) r->rp->width, |
| 1189 |
+ (unsigned int) r->rp->height) == RectangleOut) |
| 1190 |
+ r->hidden = 1; |
| 1191 |
+ else |
| 1192 |
+ nVisible++; |
| 1193 |
+ } |
| 1194 |
} |
| 1195 |
- |
| 1196 |
+ |
| 1197 |
return nVisible; |
| 1198 |
} |
| 1199 |
|
| 1200 |
/* |
| 1201 |
Allocate a color by name. |
| 1202 |
*/ |
| 1203 |
-Pixel |
| 1204 |
-AllocNamedColor(colorName, dfltPix) |
| 1205 |
-char *colorName; |
| 1206 |
-Pixel dfltPix; |
| 1207 |
+Pixel AllocNamedColor(char *colorName, Pixel dfltPix) |
| 1208 |
{ |
| 1209 |
- Pixel pix; |
| 1210 |
- XColor scrncolor; |
| 1211 |
- XColor exactcolor; |
| 1212 |
- |
| 1213 |
- if (XAllocNamedColor(display, DefaultColormap(display, screen), |
| 1214 |
- colorName, &scrncolor, &exactcolor)) { |
| 1215 |
- pix = scrncolor.pixel; |
| 1216 |
- } |
| 1217 |
- else { |
| 1218 |
- pix = dfltPix; |
| 1219 |
- } |
| 1220 |
+ Pixel pix; |
| 1221 |
+ XColor exactcolor; |
| 1222 |
+ XColor scrncolor; |
| 1223 |
+ |
| 1224 |
+ if (XAllocNamedColor(display, |
| 1225 |
+ DefaultColormap(display, screen), |
| 1226 |
+ colorName, |
| 1227 |
+ &scrncolor, |
| 1228 |
+ &exactcolor)) |
| 1229 |
+ pix = scrncolor.pixel; |
| 1230 |
+ else |
| 1231 |
+ pix = dfltPix; |
| 1232 |
|
| 1233 |
- return pix; |
| 1234 |
+ return pix; |
| 1235 |
} |
| 1236 |
|
| 1237 |
/* |
| 1238 |
- * squishCheck - Check to see if we have to squish any roaches. |
| 1239 |
+ * Check to see if we have to squish any roaches. |
| 1240 |
*/ |
| 1241 |
-checkSquish(buttonEvent) |
| 1242 |
-XButtonEvent *buttonEvent; |
| 1243 |
+void checkSquish(XButtonEvent *buttonEvent) |
| 1244 |
{ |
| 1245 |
- int x, y; |
| 1246 |
- int i; |
| 1247 |
- int rx; |
| 1248 |
+ int x; |
| 1249 |
+ int y; |
| 1250 |
Roach *r; |
| 1251 |
-/* */ |
| 1252 |
+ |
| 1253 |
x = buttonEvent->x; |
| 1254 |
y = buttonEvent->y; |
| 1255 |
|
| 1256 |
- for (rx=0; rx<curRoaches; rx++) { |
| 1257 |
- r = &roaches[rx]; |
| 1258 |
- if (r->rp == NULL) continue; |
| 1259 |
- |
| 1260 |
- if (x > r->intX && |
| 1261 |
- x < (r->intX + r->rp->width) && |
| 1262 |
- y > r->intY && |
| 1263 |
- y < (r->intY + r->rp->height)) { |
| 1264 |
- XSetStipple(display, gutsGC, squishMap); |
| 1265 |
- XSetTSOrigin(display, gutsGC, r->intX, r->intY); |
| 1266 |
- XFillRectangle(display, rootWin, gutsGC, |
| 1267 |
- r->intX, r->intY, squish_width, squish_height); |
| 1268 |
- |
| 1269 |
- /* |
| 1270 |
- * Delete the roach |
| 1271 |
- */ |
| 1272 |
- for (i = rx; i < curRoaches - 1; i++) |
| 1273 |
- roaches[i] = roaches[i + 1]; |
| 1274 |
- |
| 1275 |
- curRoaches--; |
| 1276 |
- rx--; |
| 1277 |
- } |
| 1278 |
+ for (int rx = 0; rx < curRoaches; rx++) |
| 1279 |
+ { |
| 1280 |
+ r = &roaches[rx]; |
| 1281 |
+ |
| 1282 |
+ if (r->rp == NULL) |
| 1283 |
+ continue; |
| 1284 |
+ |
| 1285 |
+ if (x > r->intX && x < (r->intX + r->rp->width) && y > r->intY && y < (r->intY + r->rp->height)) |
| 1286 |
+ { |
| 1287 |
+ XSetStipple(display, gutsGC, squishMap); |
| 1288 |
+ XSetTSOrigin(display, gutsGC, r->intX, r->intY); |
| 1289 |
+ XFillRectangle(display, |
| 1290 |
+ rootWin, |
| 1291 |
+ gutsGC, |
| 1292 |
+ r->intX, |
| 1293 |
+ r->intY, |
| 1294 |
+ squish_width, |
| 1295 |
+ squish_height); |
| 1296 |
+ /* |
| 1297 |
+ * Delete the roach |
| 1298 |
+ */ |
| 1299 |
+ for (int i = rx; i < curRoaches - 1; i++) |
| 1300 |
+ roaches[i] = roaches[i + 1]; |
| 1301 |
+ |
| 1302 |
+ curRoaches--; |
| 1303 |
+ rx--; |
| 1304 |
+ } |
| 1305 |
} |
| 1306 |
- |
| 1307 |
- return; |
| 1308 |
-} |
| 1309 |
+} |
| 1310 |
\ No newline at end of file |