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