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, master, 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. 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(sel) {
  38. resize(sel, True, TopLeft);
  39. unmanage(sel);
  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. XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
  50. XSync(dpy, False);
  51. free(seltag);
  52. }
  53. static void
  54. scan(void) {
  55. unsigned int i, num;
  56. Window *wins, d1, d2;
  57. XWindowAttributes wa;
  58. wins = NULL;
  59. if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
  60. for(i = 0; i < num; i++) {
  61. if(!XGetWindowAttributes(dpy, wins[i], &wa))
  62. continue;
  63. if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
  64. continue;
  65. if(wa.map_state == IsViewable)
  66. manage(wins[i], &wa);
  67. }
  68. }
  69. if(wins)
  70. XFree(wins);
  71. }
  72. static void
  73. setup(void) {
  74. int i, j;
  75. unsigned int mask;
  76. Window w;
  77. XModifierKeymap *modmap;
  78. XSetWindowAttributes wa;
  79. /* init atoms */
  80. wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
  81. wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
  82. netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
  83. netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
  84. XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
  85. PropModeReplace, (unsigned char *) netatom, NetLast);
  86. /* init cursors */
  87. cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
  88. cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
  89. cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
  90. modmap = XGetModifierMapping(dpy);
  91. for (i = 0; i < 8; i++) {
  92. for (j = 0; j < modmap->max_keypermod; j++) {
  93. if(modmap->modifiermap[i * modmap->max_keypermod + j] == XKeysymToKeycode(dpy, XK_Num_Lock))
  94. numlockmask = (1 << i);
  95. }
  96. }
  97. XFree(modmap);
  98. wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
  99. | EnterWindowMask | LeaveWindowMask;
  100. wa.cursor = cursor[CurNormal];
  101. XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
  102. grabkeys();
  103. initrregs();
  104. for(ntags = 0; tags[ntags]; ntags++);
  105. seltag = emallocz(sizeof(Bool) * ntags);
  106. seltag[0] = True;
  107. /* style */
  108. dc.norm[ColBG] = getcolor(NORMBGCOLOR);
  109. dc.norm[ColFG] = getcolor(NORMFGCOLOR);
  110. dc.sel[ColBG] = getcolor(SELBGCOLOR);
  111. dc.sel[ColFG] = getcolor(SELFGCOLOR);
  112. dc.status[ColBG] = getcolor(STATUSBGCOLOR);
  113. dc.status[ColFG] = getcolor(STATUSFGCOLOR);
  114. setfont(FONT);
  115. bmw = textw(FLOATSYMBOL) > textw(TILESYMBOL) ? textw(FLOATSYMBOL) : textw(TILESYMBOL);
  116. sx = sy = 0;
  117. sw = DisplayWidth(dpy, screen);
  118. sh = DisplayHeight(dpy, screen);
  119. master = ((stackpos == StackBottom ? sh - bh : sw) * MASTER) / 100;
  120. bx = by = 0;
  121. bw = sw;
  122. dc.h = bh = dc.font.height + 2;
  123. wa.override_redirect = 1;
  124. wa.background_pixmap = ParentRelative;
  125. wa.event_mask = ButtonPressMask | ExposureMask;
  126. barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen),
  127. CopyFromParent, DefaultVisual(dpy, screen),
  128. CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
  129. XDefineCursor(dpy, barwin, cursor[CurNormal]);
  130. XMapRaised(dpy, barwin);
  131. dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
  132. dc.gc = XCreateGC(dpy, root, 0, 0);
  133. XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
  134. issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
  135. strcpy(stext, "dwm-"VERSION);
  136. }
  137. /*
  138. * Startup Error handler to check if another window manager
  139. * is already running.
  140. */
  141. static int
  142. xerrorstart(Display *dsply, XErrorEvent *ee) {
  143. otherwm = True;
  144. return -1;
  145. }
  146. /* extern */
  147. int
  148. getproto(Window w) {
  149. int i, format, protos, status;
  150. unsigned long extra, res;
  151. Atom *protocols, real;
  152. protos = 0;
  153. status = XGetWindowProperty(dpy, w, wmatom[WMProtocols], 0L, 20L, False,
  154. XA_ATOM, &real, &format, &res, &extra, (unsigned char **)&protocols);
  155. if(status != Success || protocols == 0)
  156. return protos;
  157. for(i = 0; i < res; i++)
  158. if(protocols[i] == wmatom[WMDelete])
  159. protos |= PROTODELWIN;
  160. free(protocols);
  161. return protos;
  162. }
  163. void
  164. sendevent(Window w, Atom a, long value) {
  165. XEvent e;
  166. e.type = ClientMessage;
  167. e.xclient.window = w;
  168. e.xclient.message_type = a;
  169. e.xclient.format = 32;
  170. e.xclient.data.l[0] = value;
  171. e.xclient.data.l[1] = CurrentTime;
  172. XSendEvent(dpy, w, False, NoEventMask, &e);
  173. XSync(dpy, False);
  174. }
  175. void
  176. quit(Arg *arg) {
  177. readin = running = False;
  178. }
  179. /*
  180. * There's no way to check accesses to destroyed windows, thus those cases are
  181. * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
  182. * default error handler, which may call exit.
  183. */
  184. int
  185. xerror(Display *dpy, XErrorEvent *ee) {
  186. if(ee->error_code == BadWindow
  187. || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch)
  188. || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable)
  189. || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)
  190. || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)
  191. || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)
  192. || (ee->request_code == X_GrabKey && ee->error_code == BadAccess)
  193. || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
  194. return 0;
  195. fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
  196. ee->request_code, ee->error_code);
  197. return xerrorxlib(dpy, ee); /* may call exit */
  198. }
  199. int
  200. main(int argc, char *argv[]) {
  201. int r, xfd;
  202. fd_set rd;
  203. if(argc == 2 && !strncmp("-v", argv[1], 3)) {
  204. fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
  205. exit(EXIT_SUCCESS);
  206. }
  207. else if(argc != 1)
  208. eprint("usage: dwm [-v]\n");
  209. dpy = XOpenDisplay(0);
  210. if(!dpy)
  211. eprint("dwm: cannot open display\n");
  212. xfd = ConnectionNumber(dpy);
  213. screen = DefaultScreen(dpy);
  214. root = RootWindow(dpy, screen);
  215. otherwm = False;
  216. XSetErrorHandler(xerrorstart);
  217. /* this causes an error if some other window manager is running */
  218. XSelectInput(dpy, root, SubstructureRedirectMask);
  219. XSync(dpy, False);
  220. if(otherwm)
  221. eprint("dwm: another window manager is already running\n");
  222. XSync(dpy, False);
  223. XSetErrorHandler(NULL);
  224. xerrorxlib = XSetErrorHandler(xerror);
  225. XSync(dpy, False);
  226. setup();
  227. drawstatus();
  228. scan();
  229. /* main event loop, also reads status text from stdin */
  230. XSync(dpy, False);
  231. procevent();
  232. readin = True;
  233. while(running) {
  234. FD_ZERO(&rd);
  235. if(readin)
  236. FD_SET(STDIN_FILENO, &rd);
  237. FD_SET(xfd, &rd);
  238. r = select(xfd + 1, &rd, NULL, NULL, NULL);
  239. if((r == -1) && (errno == EINTR))
  240. continue;
  241. if(r > 0) {
  242. if(readin && FD_ISSET(STDIN_FILENO, &rd)) {
  243. readin = NULL != fgets(stext, sizeof(stext), stdin);
  244. if(readin)
  245. stext[strlen(stext) - 1] = 0;
  246. else
  247. strcpy(stext, "broken pipe");
  248. drawstatus();
  249. }
  250. }
  251. else if(r < 0)
  252. eprint("select failed\n");
  253. procevent();
  254. }
  255. cleanup();
  256. XCloseDisplay(dpy);
  257. return 0;
  258. }