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