Configuration of dwm for Mac Computers
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  1. /*
  2. * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
  3. * (C)opyright MMVI Sander van Dijk <a dot h dot vandijk at gmail dot com>
  4. * See LICENSE file for license details.
  5. */
  6. #include "config.h"
  7. #include "draw.h"
  8. #include "util.h"
  9. #include <ctype.h>
  10. #include <stdlib.h>
  11. #include <stdio.h>
  12. #include <string.h>
  13. #include <sys/stat.h>
  14. #include <sys/wait.h>
  15. #include <time.h>
  16. #include <unistd.h>
  17. #include <X11/cursorfont.h>
  18. #include <X11/Xutil.h>
  19. #include <X11/keysym.h>
  20. typedef struct Item Item;
  21. struct Item {
  22. Item *next; /* traverses all items */
  23. Item *left, *right; /* traverses items matching current search pattern */
  24. char *text;
  25. };
  26. static Display *dpy;
  27. static Window root;
  28. static Window win;
  29. static XRectangle rect;
  30. static Bool done = False;
  31. static Item *allitem = 0; /* first of all items */
  32. static Item *item = 0; /* first of pattern matching items */
  33. static Item *sel = 0;
  34. static Item *nextoff = 0;
  35. static Item *prevoff = 0;
  36. static Item *curroff = 0;
  37. static int screen;
  38. static char *title = 0;
  39. static char text[4096];
  40. static int ret = 0;
  41. static int nitem = 0;
  42. static unsigned int cmdw = 0;
  43. static unsigned int twidth = 0;
  44. static unsigned int cwidth = 0;
  45. static const int seek = 30; /* 30px */
  46. static Brush brush = {0};
  47. static void draw_menu(void);
  48. static void kpress(XKeyEvent * e);
  49. static char version[] = "gridmenu - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n";
  50. static void
  51. usage()
  52. {
  53. fprintf(stderr, "%s", "usage: gridmenu [-v] [-t <title>]\n");
  54. exit(1);
  55. }
  56. static void
  57. update_offsets()
  58. {
  59. unsigned int tw, w = cmdw + 2 * seek;
  60. if(!curroff)
  61. return;
  62. for(nextoff = curroff; nextoff; nextoff=nextoff->right) {
  63. tw = textwidth(&brush.font, nextoff->text);
  64. if(tw > rect.width / 3)
  65. tw = rect.width / 3;
  66. w += tw + brush.font.height;
  67. if(w > rect.width)
  68. break;
  69. }
  70. w = cmdw + 2 * seek;
  71. for(prevoff = curroff; prevoff && prevoff->left; prevoff=prevoff->left) {
  72. tw = textwidth(&brush.font, prevoff->left->text);
  73. if(tw > rect.width / 3)
  74. tw = rect.width / 3;
  75. w += tw + brush.font.height;
  76. if(w > rect.width)
  77. break;
  78. }
  79. }
  80. static void
  81. update_items(char *pattern)
  82. {
  83. unsigned int plen = strlen(pattern);
  84. Item *i, *j;
  85. if(!pattern)
  86. return;
  87. if(!title || *pattern)
  88. cmdw = cwidth;
  89. else
  90. cmdw = twidth;
  91. item = j = 0;
  92. nitem = 0;
  93. for(i = allitem; i; i=i->next)
  94. if(!plen || !strncmp(pattern, i->text, plen)) {
  95. if(!j)
  96. item = i;
  97. else
  98. j->right = i;
  99. i->left = j;
  100. i->right = 0;
  101. j = i;
  102. nitem++;
  103. }
  104. for(i = allitem; i; i=i->next)
  105. if(plen && strncmp(pattern, i->text, plen)
  106. && strstr(i->text, pattern)) {
  107. if(!j)
  108. item = i;
  109. else
  110. j->right = i;
  111. i->left = j;
  112. i->right = 0;
  113. j = i;
  114. nitem++;
  115. }
  116. curroff = prevoff = nextoff = sel = item;
  117. update_offsets();
  118. }
  119. /* creates brush structs for brush mode drawing */
  120. static void
  121. draw_menu()
  122. {
  123. unsigned int offx = 0;
  124. Item *i;
  125. brush.rect = rect;
  126. brush.rect.x = 0;
  127. brush.rect.y = 0;
  128. draw(dpy, &brush, False, 0);
  129. /* print command */
  130. if(!title || text[0]) {
  131. cmdw = cwidth;
  132. if(cmdw && item)
  133. brush.rect.width = cmdw;
  134. draw(dpy, &brush, False, text);
  135. }
  136. else {
  137. cmdw = twidth;
  138. brush.rect.width = cmdw;
  139. draw(dpy, &brush, False, title);
  140. }
  141. offx += brush.rect.width;
  142. if(curroff) {
  143. brush.rect.x = offx;
  144. brush.rect.width = seek;
  145. offx += brush.rect.width;
  146. draw(dpy, &brush, False, (curroff && curroff->left) ? "<" : 0);
  147. /* determine maximum items */
  148. for(i = curroff; i != nextoff; i=i->right) {
  149. brush.border = False;
  150. brush.rect.x = offx;
  151. brush.rect.width = textwidth(&brush.font, i->text);
  152. if(brush.rect.width > rect.width / 3)
  153. brush.rect.width = rect.width / 3;
  154. brush.rect.width += brush.font.height;
  155. if(sel == i) {
  156. swap((void **)&brush.fg, (void **)&brush.bg);
  157. draw(dpy, &brush, True, i->text);
  158. swap((void **)&brush.fg, (void **)&brush.bg);
  159. }
  160. else
  161. draw(dpy, &brush, False, i->text);
  162. offx += brush.rect.width;
  163. }
  164. brush.rect.x = rect.width - seek;
  165. brush.rect.width = seek;
  166. draw(dpy, &brush, False, nextoff ? ">" : 0);
  167. }
  168. XCopyArea(dpy, brush.drawable, win, brush.gc, 0, 0, rect.width,
  169. rect.height, 0, 0);
  170. XFlush(dpy);
  171. }
  172. static void
  173. kpress(XKeyEvent * e)
  174. {
  175. KeySym ksym;
  176. char buf[32];
  177. int num, prev_nitem;
  178. unsigned int i, len = strlen(text);
  179. buf[0] = 0;
  180. num = XLookupString(e, buf, sizeof(buf), &ksym, 0);
  181. if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
  182. || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
  183. || IsPrivateKeypadKey(ksym))
  184. return;
  185. /* first check if a control mask is omitted */
  186. if(e->state & ControlMask) {
  187. switch (ksym) {
  188. case XK_H:
  189. case XK_h:
  190. ksym = XK_BackSpace;
  191. break;
  192. case XK_I:
  193. case XK_i:
  194. ksym = XK_Tab;
  195. break;
  196. case XK_J:
  197. case XK_j:
  198. ksym = XK_Return;
  199. break;
  200. case XK_N:
  201. case XK_n:
  202. ksym = XK_Right;
  203. break;
  204. case XK_P:
  205. case XK_p:
  206. ksym = XK_Left;
  207. break;
  208. case XK_U:
  209. case XK_u:
  210. text[0] = 0;
  211. update_items(text);
  212. draw_menu();
  213. return;
  214. break;
  215. case XK_bracketleft:
  216. ksym = XK_Escape;
  217. break;
  218. default: /* ignore other control sequences */
  219. return;
  220. break;
  221. }
  222. }
  223. switch (ksym) {
  224. case XK_Left:
  225. if(!(sel && sel->left))
  226. return;
  227. sel=sel->left;
  228. if(sel->right == curroff) {
  229. curroff = prevoff;
  230. update_offsets();
  231. }
  232. break;
  233. case XK_Tab:
  234. if(!sel)
  235. return;
  236. strncpy(text, sel->text, sizeof(text));
  237. update_items(text);
  238. break;
  239. case XK_Right:
  240. if(!(sel && sel->right))
  241. return;
  242. sel=sel->right;
  243. if(sel == nextoff) {
  244. curroff = nextoff;
  245. update_offsets();
  246. }
  247. break;
  248. case XK_Return:
  249. if(e->state & ShiftMask) {
  250. if(text)
  251. fprintf(stdout, "%s", text);
  252. }
  253. else if(sel)
  254. fprintf(stdout, "%s", sel->text);
  255. else if(text)
  256. fprintf(stdout, "%s", text);
  257. fflush(stdout);
  258. done = True;
  259. break;
  260. case XK_Escape:
  261. ret = 1;
  262. done = True;
  263. break;
  264. case XK_BackSpace:
  265. if((i = len)) {
  266. prev_nitem = nitem;
  267. do {
  268. text[--i] = 0;
  269. update_items(text);
  270. } while(i && nitem && prev_nitem == nitem);
  271. update_items(text);
  272. }
  273. break;
  274. default:
  275. if((num == 1) && !iscntrl((int) buf[0])) {
  276. buf[num] = 0;
  277. if(len > 0)
  278. strncat(text, buf, sizeof(text));
  279. else
  280. strncpy(text, buf, sizeof(text));
  281. update_items(text);
  282. }
  283. }
  284. draw_menu();
  285. }
  286. static char *
  287. read_allitems()
  288. {
  289. static char *maxname = 0;
  290. char *p, buf[1024];
  291. unsigned int len = 0, max = 0;
  292. Item *i, *new;
  293. i = 0;
  294. while(fgets(buf, sizeof(buf), stdin)) {
  295. len = strlen(buf);
  296. if (buf[len - 1] == '\n')
  297. buf[len - 1] = 0;
  298. p = estrdup(buf);
  299. if(max < len) {
  300. maxname = p;
  301. max = len;
  302. }
  303. new = emalloc(sizeof(Item));
  304. new->next = new->left = new->right = 0;
  305. new->text = p;
  306. if(!i)
  307. allitem = new;
  308. else
  309. i->next = new;
  310. i = new;
  311. }
  312. return maxname;
  313. }
  314. int
  315. main(int argc, char *argv[])
  316. {
  317. int i;
  318. XSetWindowAttributes wa;
  319. char *maxname;
  320. XEvent ev;
  321. /* command line args */
  322. for(i = 1; i < argc; i++) {
  323. if (argv[i][0] == '-')
  324. switch (argv[i][1]) {
  325. case 'v':
  326. fprintf(stdout, "%s", version);
  327. exit(0);
  328. break;
  329. case 't':
  330. if(++i < argc)
  331. title = argv[i];
  332. else
  333. usage();
  334. break;
  335. default:
  336. usage();
  337. break;
  338. }
  339. else
  340. usage();
  341. }
  342. dpy = XOpenDisplay(0);
  343. if(!dpy)
  344. error("gridmenu: cannot open dpy\n");
  345. screen = DefaultScreen(dpy);
  346. root = RootWindow(dpy, screen);
  347. maxname = read_allitems();
  348. /* grab as early as possible, but after reading all items!!! */
  349. while(XGrabKeyboard(dpy, root, True, GrabModeAsync,
  350. GrabModeAsync, CurrentTime) != GrabSuccess)
  351. usleep(1000);
  352. /* style */
  353. loadcolors(dpy, screen, &brush, BGCOLOR, FGCOLOR, BORDERCOLOR);
  354. loadfont(dpy, &brush.font, FONT);
  355. wa.override_redirect = 1;
  356. wa.background_pixmap = ParentRelative;
  357. wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask
  358. | SubstructureRedirectMask | SubstructureNotifyMask;
  359. rect.width = DisplayWidth(dpy, screen);
  360. rect.height = brush.font.height + 4;
  361. rect.y = DisplayHeight(dpy, screen) - rect.height;
  362. rect.x = 0;
  363. win = XCreateWindow(dpy, root, rect.x, rect.y,
  364. rect.width, rect.height, 0, DefaultDepth(dpy, screen),
  365. CopyFromParent, DefaultVisual(dpy, screen),
  366. CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
  367. XDefineCursor(dpy, win, XCreateFontCursor(dpy, XC_xterm));
  368. XFlush(dpy);
  369. /* pixmap */
  370. brush.gc = XCreateGC(dpy, win, 0, 0);
  371. brush.drawable = XCreatePixmap(dpy, win, rect.width, rect.height,
  372. DefaultDepth(dpy, screen));
  373. XFlush(dpy);
  374. if(maxname)
  375. cwidth = textwidth(&brush.font, maxname) + brush.font.height;
  376. if(cwidth > rect.width / 3)
  377. cwidth = rect.width / 3;
  378. if(title) {
  379. twidth = textwidth(&brush.font, title) + brush.font.height;
  380. if(twidth > rect.width / 3)
  381. twidth = rect.width / 3;
  382. }
  383. cmdw = title ? twidth : cwidth;
  384. text[0] = 0;
  385. update_items(text);
  386. XMapRaised(dpy, win);
  387. draw_menu();
  388. XFlush(dpy);
  389. /* main event loop */
  390. while(!XNextEvent(dpy, &ev)) {
  391. switch (ev.type) {
  392. case KeyPress:
  393. kpress(&ev.xkey);
  394. break;
  395. case Expose:
  396. if(ev.xexpose.count == 0) {
  397. draw_menu();
  398. }
  399. break;
  400. default:
  401. break;
  402. }
  403. if(done)
  404. break;
  405. }
  406. XUngrabKeyboard(dpy, CurrentTime);
  407. XFreePixmap(dpy, brush.drawable);
  408. XFreeGC(dpy, brush.gc);
  409. XDestroyWindow(dpy, win);
  410. XCloseDisplay(dpy);
  411. return ret;
  412. }