Configuration of dwm for Mac Computers
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  1. /* (C)opyright MMVII Anselm R. Garbe <garbeam at gmail dot com>
  2. * See LICENSE file for license details.
  3. */
  4. #include "dwm.h"
  5. #include <errno.h>
  6. #include <locale.h>
  7. #include <stdio.h>
  8. #include <stdlib.h>
  9. #include <string.h>
  10. #include <unistd.h>
  11. #include <sys/select.h>
  12. #include <X11/cursorfont.h>
  13. #include <X11/keysym.h>
  14. #include <X11/Xatom.h>
  15. #include <X11/Xproto.h>
  16. /* extern */
  17. char stext[1024];
  18. Bool *seltag;
  19. int bx, by, bw, bh, bmw, masterd, screen, sx, sy, sw, sh, wax, way, waw, wah;
  20. unsigned int master, ntags, numlockmask;
  21. Atom wmatom[WMLast], netatom[NetLast];
  22. Bool running = True;
  23. Bool issel = True;
  24. Client *clients = NULL;
  25. Client *sel = NULL;
  26. Client *stack = NULL;
  27. Cursor cursor[CurLast];
  28. Display *dpy;
  29. DC dc = {0};
  30. Window root, barwin;
  31. /* static */
  32. static int (*xerrorxlib)(Display *, XErrorEvent *);
  33. static Bool otherwm, readin;
  34. static void
  35. cleanup(void) {
  36. close(STDIN_FILENO);
  37. while(clients) {
  38. resize(clients, True, TopLeft);
  39. unmanage(clients);
  40. }
  41. if(dc.font.set)
  42. XFreeFontSet(dpy, dc.font.set);
  43. else
  44. XFreeFont(dpy, dc.font.xfont);
  45. XUngrabKey(dpy, AnyKey, AnyModifier, root);
  46. XFreePixmap(dpy, dc.drawable);
  47. XFreeGC(dpy, dc.gc);
  48. XDestroyWindow(dpy, barwin);
  49. XFreeCursor(dpy, cursor[CurNormal]);
  50. XFreeCursor(dpy, cursor[CurResize]);
  51. XFreeCursor(dpy, cursor[CurMove]);
  52. XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
  53. XSync(dpy, False);
  54. free(seltag);
  55. }
  56. static void
  57. scan(void) {
  58. unsigned int i, num;
  59. Window *wins, d1, d2;
  60. XWindowAttributes wa;
  61. wins = NULL;
  62. if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
  63. for(i = 0; i < num; i++) {
  64. if(!XGetWindowAttributes(dpy, wins[i], &wa))
  65. continue;
  66. if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
  67. continue;
  68. if(wa.map_state == IsViewable)
  69. manage(wins[i], &wa);
  70. }
  71. }
  72. if(wins)
  73. XFree(wins);
  74. }
  75. static void
  76. setup(void) {
  77. int i, j;
  78. unsigned int mask;
  79. Window w;
  80. XModifierKeymap *modmap;
  81. XSetWindowAttributes wa;
  82. /* init atoms */
  83. wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
  84. wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
  85. netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
  86. netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
  87. XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
  88. PropModeReplace, (unsigned char *) netatom, NetLast);
  89. /* init cursors */
  90. cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
  91. cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
  92. cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
  93. /* init modifier map */
  94. modmap = XGetModifierMapping(dpy);
  95. for (i = 0; i < 8; i++) {
  96. for (j = 0; j < modmap->max_keypermod; j++) {
  97. if(modmap->modifiermap[i * modmap->max_keypermod + j] == XKeysymToKeycode(dpy, XK_Num_Lock))
  98. numlockmask = (1 << i);
  99. }
  100. }
  101. XFreeModifiermap(modmap);
  102. /* select for events */
  103. wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
  104. | EnterWindowMask | LeaveWindowMask;
  105. wa.cursor = cursor[CurNormal];
  106. XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
  107. grabkeys();
  108. initrregs();
  109. for(ntags = 0; tags[ntags]; ntags++);
  110. seltag = emallocz(sizeof(Bool) * ntags);
  111. seltag[0] = True;
  112. /* style */
  113. dc.norm[ColBG] = getcolor(NORMBGCOLOR);
  114. dc.norm[ColFG] = getcolor(NORMFGCOLOR);
  115. dc.sel[ColBG] = getcolor(SELBGCOLOR);
  116. dc.sel[ColFG] = getcolor(SELFGCOLOR);
  117. dc.status[ColBG] = getcolor(STATUSBGCOLOR);
  118. dc.status[ColFG] = getcolor(STATUSFGCOLOR);
  119. setfont(FONT);
  120. /* geometry */
  121. bmw = textw(TILESYMBOL) > textw(FLOATSYMBOL) ? textw(TILESYMBOL) : textw(FLOATSYMBOL);
  122. sx = sy = 0;
  123. sw = DisplayWidth(dpy, screen);
  124. sh = DisplayHeight(dpy, screen);
  125. master = MASTER;
  126. /* bar */
  127. bx = sx;
  128. by = sy;
  129. bw = sw;
  130. dc.h = bh = dc.font.height + 2;
  131. wa.override_redirect = 1;
  132. wa.background_pixmap = ParentRelative;
  133. wa.event_mask = ButtonPressMask | ExposureMask;
  134. barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen),
  135. CopyFromParent, DefaultVisual(dpy, screen),
  136. CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
  137. XDefineCursor(dpy, barwin, cursor[CurNormal]);
  138. XMapRaised(dpy, barwin);
  139. strcpy(stext, "dwm-"VERSION);
  140. /* windowarea */
  141. wax = sx;
  142. way = sy + bh;
  143. wah = sh - bh;
  144. waw = sw;
  145. /* pixmap for everything */
  146. dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
  147. dc.gc = XCreateGC(dpy, root, 0, 0);
  148. XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
  149. /* multihead support */
  150. issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
  151. }
  152. /*
  153. * Startup Error handler to check if another window manager
  154. * is already running.
  155. */
  156. static int
  157. xerrorstart(Display *dsply, XErrorEvent *ee) {
  158. otherwm = True;
  159. return -1;
  160. }
  161. /* extern */
  162. int
  163. getproto(Window w) {
  164. int i, format, protos, status;
  165. unsigned long extra, res;
  166. Atom *protocols, real;
  167. protos = 0;
  168. status = XGetWindowProperty(dpy, w, wmatom[WMProtocols], 0L, 20L, False,
  169. XA_ATOM, &real, &format, &res, &extra, (unsigned char **)&protocols);
  170. if(status != Success || protocols == 0)
  171. return protos;
  172. for(i = 0; i < res; i++)
  173. if(protocols[i] == wmatom[WMDelete])
  174. protos |= PROTODELWIN;
  175. free(protocols);
  176. return protos;
  177. }
  178. void
  179. sendevent(Window w, Atom a, long value) {
  180. XEvent e;
  181. e.type = ClientMessage;
  182. e.xclient.window = w;
  183. e.xclient.message_type = a;
  184. e.xclient.format = 32;
  185. e.xclient.data.l[0] = value;
  186. e.xclient.data.l[1] = CurrentTime;
  187. XSendEvent(dpy, w, False, NoEventMask, &e);
  188. XSync(dpy, False);
  189. }
  190. void
  191. quit(Arg *arg) {
  192. readin = running = False;
  193. }
  194. /* There's no way to check accesses to destroyed windows, thus those cases are
  195. * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
  196. * default error handler, which may call exit.
  197. */
  198. int
  199. xerror(Display *dpy, XErrorEvent *ee) {
  200. if(ee->error_code == BadWindow
  201. || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch)
  202. || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable)
  203. || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)
  204. || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)
  205. || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)
  206. || (ee->request_code == X_GrabKey && ee->error_code == BadAccess)
  207. || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
  208. return 0;
  209. fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
  210. ee->request_code, ee->error_code);
  211. return xerrorxlib(dpy, ee); /* may call exit */
  212. }
  213. int
  214. main(int argc, char *argv[]) {
  215. char *p;
  216. int r, xfd;
  217. fd_set rd;
  218. if(argc == 2 && !strncmp("-v", argv[1], 3)) {
  219. fputs("dwm-"VERSION", (C)opyright MMVII Anselm R. Garbe\n", stdout);
  220. exit(EXIT_SUCCESS);
  221. }
  222. else if(argc != 1)
  223. eprint("usage: dwm [-v]\n");
  224. setlocale(LC_CTYPE, "");
  225. dpy = XOpenDisplay(0);
  226. if(!dpy)
  227. eprint("dwm: cannot open display\n");
  228. xfd = ConnectionNumber(dpy);
  229. screen = DefaultScreen(dpy);
  230. root = RootWindow(dpy, screen);
  231. otherwm = False;
  232. XSetErrorHandler(xerrorstart);
  233. /* this causes an error if some other window manager is running */
  234. XSelectInput(dpy, root, SubstructureRedirectMask);
  235. XSync(dpy, False);
  236. if(otherwm)
  237. eprint("dwm: another window manager is already running\n");
  238. XSync(dpy, False);
  239. XSetErrorHandler(NULL);
  240. xerrorxlib = XSetErrorHandler(xerror);
  241. XSync(dpy, False);
  242. setup();
  243. drawstatus();
  244. scan();
  245. /* main event loop, also reads status text from stdin */
  246. XSync(dpy, False);
  247. procevent();
  248. readin = True;
  249. while(running) {
  250. FD_ZERO(&rd);
  251. if(readin)
  252. FD_SET(STDIN_FILENO, &rd);
  253. FD_SET(xfd, &rd);
  254. if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) {
  255. if(errno == EINTR)
  256. continue;
  257. eprint("select failed\n");
  258. }
  259. if(FD_ISSET(STDIN_FILENO, &rd)) {
  260. switch(r = read(STDIN_FILENO, stext, sizeof stext - 1)) {
  261. case -1:
  262. strncpy(stext, strerror(errno), sizeof stext - 1);
  263. stext[sizeof stext - 1] = '\0';
  264. readin = False;
  265. break;
  266. case 0:
  267. strncpy(stext, "EOF", 4);
  268. readin = False;
  269. break;
  270. default:
  271. for(stext[r] = '\0', p = stext + strlen(stext) - 1; p >= stext && *p == '\n'; *p-- = '\0');
  272. for(p = stext + strlen(stext) - 1; p >= stext && *p != '\n'; --p);
  273. if(p > stext)
  274. strncpy(stext, p + 1, sizeof stext);
  275. }
  276. drawstatus();
  277. }
  278. if(FD_ISSET(xfd, &rd))
  279. procevent();
  280. }
  281. cleanup();
  282. XCloseDisplay(dpy);
  283. return 0;
  284. }