Pileus Git - wmpus/blob - wm-wmii.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 #include "util.h"
   5 #include "sys.h"
   6 #include "wm.h"
   7
   8 #ifndef MODKEY
   9 #define MODKEY alt
  10 #endif
  11 #ifndef MARGIN
  12 #define MARGIN 0
  13 #endif
  14 #ifndef STACK
  15 #define STACK  25
  16 #endif
  17
  18 /* Enums */
  19 typedef enum {
  20         none, move, resize
  21 } drag_t;
  22
  23 typedef enum {
  24         split, stack, max, tab
  25 } mode_t;
  26
  27
  28 /* Window structure types */
  29 struct win_wm { };
  30
  31 typedef struct {
  32         win_t  *win;
  33         int     height;
  34 } row_t;
  35
  36 typedef struct {
  37         list_t *rows; // of row_t
  38         row_t  *row;
  39         int     width;
  40         mode_t  mode;
  41 } col_t;
  42
  43 typedef struct {
  44         list_t *cols; // of col_t
  45         col_t  *col;
  46         win_t  *geom;
  47 } dpy_t;
  48
  49 typedef struct {
  50         list_t *dpys; // of dpy_t
  51         dpy_t  *dpy;
  52         int     name;
  53 } tag_t;
  54
  55 typedef struct {
  56         list_t *tags; // of tag_t
  57         tag_t  *tag;
  58         win_t  *root;
  59         list_t *screens;
  60 } wm_t;
  61
  62 /* Mouse drag data */
  63 static drag_t  move_mode;
  64 static list_t *move_lrow;
  65 static list_t *move_lcol;
  66 static ptr_t   move_prev;
  67 static struct { int v, h; } move_dir;
  68
  69 /* Window management data */
  70 static wm_t  *wm;
  71 #define wm_win   wm->tag->dpy->col->row->win
  72 #define wm_row   wm->tag->dpy->col->row
  73 #define wm_col   wm->tag->dpy->col
  74 #define wm_dpy   wm->tag->dpy
  75 #define wm_tag   wm->tag
  76 #define wm_focus (wm_tag && wm_dpy && wm_col && wm_row ? wm_win : NULL)
  77
  78 #define WIN(l) ((win_t*)(l)->data)
  79 #define ROW(l) ((row_t*)(l)->data)
  80 #define COL(l) ((col_t*)(l)->data)
  81 #define DPY(l) ((dpy_t*)(l)->data)
  82 #define TAG(l) ((tag_t*)(l)->data)
  83
  84 #define tag_foreach(tag, dpy, col, row, win) \
  85         for (list_t *dpy =     tag ->dpys; dpy; dpy = dpy->next) \
  86         for (list_t *col = DPY(dpy)->cols; col; col = col->next) \
  87         for (list_t *row = COL(col)->rows; row; row = row->next) \
  88         for (win_t  *win = ROW(row)->win;  win; win = NULL)      \
  89
  90 /* Helper functions */
  91 static int searchl(tag_t *tag, win_t *target,
  92                 list_t **_dpy, list_t **_col, list_t **_row)
  93 {
  94         tag_foreach(tag, dpy, col, row, win) {
  95                 if (win == target) {
  96                         if (_dpy) *_dpy = dpy;
  97                         if (_col) *_col = col;
  98                         if (_row) *_row = row;
  99                         return 1;
 100                 }
 101         }
 102         return 0;
 103 }
 104
 105 static int search(tag_t *tag, win_t *target,
 106                 dpy_t **_dpy, col_t **_col, row_t **_row)
 107 {
 108         list_t *dpy, *col, *row;
 109         if (searchl(tag, target, &dpy, &col, &row)) {
 110                 if (_dpy) *_dpy = DPY(dpy);
 111                 if (_col) *_col = COL(col);
 112                 if (_row) *_row = ROW(row);
 113                 return 1;
 114         }
 115         return 0;
 116 }
 117
 118 static void set_mode(win_t *win, mode_t mode)
 119 {
 120         col_t *col;
 121         if (!search(wm_tag, win, NULL, &col, NULL))
 122                 return;
 123         printf("set_mode: %p, %d -> %d\n",
 124                         col, col->mode, mode);
 125         col->mode = mode;
 126         if (col->mode == split)
 127                 for (list_t *cur = col->rows; cur; cur = cur->next) {
 128                         row_t *row = cur->data;
 129                         row->height = wm_dpy->geom->h;
 130                 }
 131         wm_update();
 132 }
 133
 134 static void set_focus(win_t *win)
 135 {
 136         if (win == NULL || win == wm->root) {
 137                 sys_focus(wm->root);
 138                 return;
 139         }
 140
 141         /* - Only grab mouse button on unfocused window,
 142          *   this prevents stealing all mouse clicks from client windows,
 143          * - A better way may be to re-send mouse clicks to client windows
 144          *   using the return value from wm_handle_key */
 145         for (int i = key_mouse1; i < key_mouse7; i++) {
 146                 if (wm_focus)
 147                         sys_watch(wm_focus, i, MOD());
 148                 sys_unwatch(win, i, MOD());
 149         }
 150
 151         dpy_t *dpy; col_t *col; row_t *row;
 152         if (search(wm_tag, win, &dpy, &col, &row)) {
 153                 wm_dpy = dpy;
 154                 wm_col = col;
 155                 wm_row = row;
 156         }
 157         sys_focus(win);
 158 }
 159
 160 static void set_move(win_t *win, ptr_t ptr, drag_t drag)
 161 {
 162         printf("set_move: %d - %p@%d,%d\n",
 163                         drag, win, ptr.rx, ptr.ry);
 164         move_mode = drag;
 165         if (drag == move || drag == resize) {
 166                 searchl(wm_tag, win, NULL, &move_lcol, &move_lrow);
 167                 move_prev = ptr;
 168                 int my = win->y + (win->h/2);
 169                 int mx = win->x + (win->w/2);
 170                 move_dir.v = ptr.ry < my ? -1 : +1;
 171                 move_dir.h = ptr.rx < mx ? -1 : +1;
 172         }
 173 }
 174
 175 static void print_txt(void)
 176 {
 177         for (list_t *ltag = wm->tags; ltag; ltag = ltag->next) {
 178                 tag_t *tag = ltag->data;
 179                 printf("tag:       <%-9p [%p->%p] >%-9p !%-9p -  %d\n",
 180                                 ltag->prev, ltag, ltag->data, ltag->next,
 181                                 tag->dpy, tag->name);
 182         for (list_t *ldpy = tag->dpys; ldpy; ldpy = ldpy->next) {
 183                 dpy_t *dpy  = ldpy->data;
 184                 win_t *geom = dpy->geom;
 185                 printf("  dpy:     <%-9p [%p->%p] >%-9p !%-9p -  %d,%d %dx%d\n",
 186                                 ldpy->prev, ldpy, ldpy->data, ldpy->next,
 187                                 dpy->col, geom->x, geom->y, geom->h, geom->w);
 188         for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next) {
 189                 col_t *col = lcol->data;
 190                 printf("    col:   <%-9p [%p->%p] >%-9p !%-9p -  %dpx @ %d\n",
 191                                 lcol->prev, lcol, lcol->data, lcol->next,
 192                                 col->row, col->width, col->mode);
 193         for (list_t *lrow = col->rows; lrow; lrow = lrow->next) {
 194                 row_t *row = lrow->data;
 195                 win_t *win = row->win;
 196                 printf("      win: <%-9p [%p>>%p] >%-9p !%-9p -  %4dpx focus=%d%d\n",
 197                                 lrow->prev, lrow, win, lrow->next,
 198                                 win, win->h, col->row == row, wm_focus == win);
 199         } } } }
 200 }
 201
 202 static void cut_win(tag_t *tag, win_t *win)
 203 {
 204         list_t *ldpy, *lcol, *lrow;
 205         if (!searchl(tag, win, &ldpy, &lcol, &lrow))
 206                 return;
 207         col_t  *col  = COL(lcol);
 208         dpy_t  *dpy  = DPY(ldpy);
 209
 210         col->row  = lrow->prev ? lrow->prev->data :
 211                     lrow->next ? lrow->next->data : NULL;
 212         col->rows = list_remove(col->rows, lrow);
 213
 214         if (col->rows == NULL && (lcol->next || lcol->prev)) {
 215                 dpy->col  = lcol->prev ? lcol->prev->data :
 216                             lcol->next ? lcol->next->data : NULL;
 217                 dpy->cols = list_remove(dpy->cols, lcol);
 218         }
 219 }
 220
 221 static void put_win(win_t *win, tag_t *tag, dpy_t *dpy, col_t *col)
 222 {
 223         row_t *row = new0(row_t);
 224         row->win = win;
 225
 226         if (col == NULL) {
 227                 col = new0(col_t);
 228                 dpy->cols = list_insert(dpy->cols, col);
 229         }
 230
 231         int nrows = list_length(col->rows);
 232         if (col->row) {
 233                 list_t *prev = list_find(col->rows, col->row);
 234                 list_insert_after(prev, row);
 235         } else {
 236                 col->rows = list_insert(col->rows, row);
 237         }
 238         tag->dpy           = dpy;
 239         tag->dpy->col      = col;
 240         tag->dpy->col->row = row;
 241
 242         row->height = dpy->geom->h / MAX(nrows,1);
 243         if (nrows == 0) {
 244                 int ncols = list_length(dpy->cols);
 245                 col->width = dpy->geom->w / MAX(ncols-1,1);
 246         }
 247 }
 248
 249 static void shift_window(win_t *win, int col, int row)
 250 {
 251         if (!win) return;
 252         printf("shift_window: %p - %+d,%+d\n", win, col, row);
 253         print_txt();
 254         printf("shift_window: >>>\n");
 255         list_t *ldpy, *lcol, *lrow;
 256         if (!searchl(wm_tag, win, &ldpy, &lcol, &lrow))
 257                 return;
 258         dpy_t *dpy = ldpy->data;
 259         if (row != 0) {
 260                 list_t *src = lrow, *dst = NULL;
 261                 if (row < 0) dst = src->prev;
 262                 if (row > 0) dst = src->next;
 263                 if (src && dst) {
 264                         printf("swap: %p <-> %p\n", src->data, dst->data);
 265                         row_t *tmp = src->data;
 266                         src->data = dst->data;
 267                         dst->data = tmp;
 268                         goto update;
 269                 }
 270         } else {
 271                 int onlyrow = !lrow->prev && !lrow->next;
 272                 list_t *src = lcol, *dst = NULL;
 273                 if (col < 0) {
 274                         if (src->prev) {
 275                                 dst = src->prev;
 276                         } else if (!onlyrow) {
 277                                 dpy->cols = list_insert(dpy->cols, new0(col_t));
 278                                 dst = src->prev;
 279                         } else if (ldpy->prev) {
 280                                 dpy = ldpy->prev->data;
 281                                 dst = list_last(dpy->cols);
 282                         } else {
 283                                 return;
 284                         }
 285                 }
 286                 if (col > 0) {
 287                         if (src->next) {
 288                                 dst = src->next;
 289                         } else if (!onlyrow) {
 290                                 dpy->cols = list_append(dpy->cols, new0(col_t));
 291                                 dst = src->next;
 292                         } else if (ldpy->next) {
 293                                 dpy = ldpy->next->data;
 294                                 dst = dpy->cols;
 295                         } else {
 296                                 return;
 297                         }
 298                 }
 299                 cut_win(wm_tag, win);
 300                 put_win(win, wm_tag, dpy, dst ? dst->data : NULL);
 301                 goto update;
 302         }
 303 update:
 304         print_txt();
 305         wm_update();
 306 }
 307
 308 static list_t *get_next(list_t *list, int forward)
 309 {
 310         list_t *next = forward ? list->next : list->prev;
 311         if (next == NULL) {
 312                 next = list;
 313                 while ((list = forward ? next->prev : next->next))
 314                         next = list;
 315         }
 316         return next;
 317 }
 318 static void shift_focus(int cols, int rows)
 319 {
 320         printf("shift_focus: %+d,%+d\n", cols, rows);
 321         if (rows != 0 && wm_focus) {
 322                 list_t *dpy, *col, *row;
 323                 if (!searchl(wm_tag, wm_focus, &dpy, &col, &row))
 324                         return;
 325                 row_t *next = get_next(row, rows > 0)->data;
 326                 set_focus(next->win);
 327                 if (COL(col)->mode != split)
 328                         wm_update();
 329         }
 330         if (cols != 0) {
 331                 list_t *dpy, *col, *row, *ndpy, *ncol = NULL;
 332                 if (wm_focus) {
 333                         if (!searchl(wm_tag, wm_focus, &dpy, &col, &row))
 334                                 return;
 335                         ncol = cols > 0 ? col->next : col->prev;
 336                 } else {
 337                         dpy = list_find(wm_tag->dpys, wm_dpy);
 338                 }
 339                 if (ncol == NULL) {
 340                         ndpy = get_next(dpy, cols > 0);
 341                         ncol = cols > 0 ? DPY(ndpy)->cols :
 342                                 list_last(DPY(ndpy)->cols);
 343                         wm_dpy = ndpy->data;
 344                 }
 345                 if (ncol && COL(ncol) && COL(ncol)->row)
 346                         set_focus(COL(ncol)->row->win);
 347                 else
 348                         sys_focus(wm->root);
 349         }
 350 }
 351
 352 static tag_t *tag_new(list_t *screens, int name)
 353 {
 354         tag_t *tag = new0(tag_t);
 355         tag->name  = name;
 356         for (list_t *cur = screens; cur; cur = cur->next) {
 357                 dpy_t *dpy  = new0(dpy_t);
 358                 dpy->geom = cur->data;
 359                 tag->dpys = list_append(tag->dpys, dpy);
 360         }
 361         tag->dpy  = tag->dpys->data;
 362         return tag;
 363 }
 364
 365 static tag_t *tag_find(int name)
 366 {
 367         tag_t *tag = NULL;
 368         for (list_t *cur = wm->tags; cur; cur = cur->next)
 369                 if (name == TAG(cur)->name) {
 370                         tag = cur->data;
 371                         break;
 372                 }
 373         if (!tag) {
 374                 tag = tag_new(wm->screens, name);
 375                 wm->tags = list_append(wm->tags, tag);
 376         }
 377         return tag;
 378 }
 379
 380 static void tag_set(win_t *win, int name)
 381 {
 382         printf("tag_set: %p %d\n", win, name);
 383         if (wm_tag->name == name)
 384                 return;
 385         tag_t *tag = tag_find(name);
 386         cut_win(wm_tag, win);
 387         put_win(win, tag, tag->dpy, tag->dpy->col);
 388         set_focus(wm_focus);
 389 }
 390
 391 static void tag_switch(int name)
 392 {
 393         printf("tag_switch: %d\n", name);
 394         if (wm_col == NULL || wm_row == NULL)
 395                 wm->tags = list_remove(wm->tags,
 396                                 list_find(wm->tags, wm_tag));
 397         wm_tag = tag_find(name);
 398 }
 399
 400 /* Window management functions */
 401 void wm_update_dpy(dpy_t *dpy)
 402 {
 403         int  x=0,  y=0; // Current window top-left position
 404         int tx=0, ty=0; // Total x/y size
 405         int mx=0, my=0; // Maximum x/y size (screen size)
 406         int       sy=0; // Size of focused stack window
 407
 408         /* Scale horizontally */
 409         x  = dpy->geom->x;
 410         mx = dpy->geom->w - (list_length(dpy->cols)+1)*MARGIN;
 411         for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next)
 412                 tx += COL(lcol)->width;
 413         for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next)
 414                 COL(lcol)->width *= (float)mx / tx;
 415
 416         /* Scale each column vertically */
 417         for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next) {
 418                 col_t *col = lcol->data;
 419                 ty = 0;
 420                 for (list_t *lrow = col->rows; lrow; lrow = lrow->next)
 421                         ty += ROW(lrow)->height;
 422                 y  = dpy->geom->y;
 423                 my = dpy->geom->h - (list_length(col->rows)+1)*MARGIN;
 424                 sy = my           - (list_length(col->rows)-1)*STACK;
 425                 for (list_t *lrow = col->rows; lrow; lrow = lrow->next) {
 426                         win_t *win = ROW(lrow)->win;
 427                         win->h = ROW(lrow)->height;
 428                         int height = 0;
 429                         switch (col->mode) {
 430                         case split:
 431                                 sys_move(win, x+MARGIN, y+MARGIN,
 432                                         col->width, win->h * ((float)my / ty));
 433                                 height = win->h;
 434                                 break;
 435                         case stack:
 436                                 if (lrow->next && ROW(lrow->next)->win == col->row->win) {
 437                                         /* Hack to prevent flashing */
 438                                         win_t *next = ROW(lrow->next)->win;
 439                                         sys_move(next, x+MARGIN, y+MARGIN+STACK+MARGIN,
 440                                                 col->width, sy);
 441                                 }
 442                                 height = win == col->row->win ? sy : STACK;
 443                                 sys_move(win, x+MARGIN, y+MARGIN,
 444                                         col->width, height);
 445                                 break;
 446                         case max:
 447                         case tab:
 448                                 sys_move(win, x+MARGIN, 0+MARGIN,
 449                                         col->width, dpy->geom->h-2*MARGIN);
 450                                 if (col->row->win == win)
 451                                         sys_raise(win);
 452                                 break;
 453                         }
 454                         y += height + MARGIN;
 455                         ROW(lrow)->height = win->h;
 456                 }
 457                 x += col->width + MARGIN;
 458         }
 459 }
 460
 461 void wm_update(void)
 462 {
 463         /* Show/hide tags */
 464         tag_foreach(wm_tag, dpy, col, row, win)
 465                 sys_show(win, st_show);
 466         for (list_t *tag = wm ->tags; tag; tag = tag->next)
 467                 tag_foreach(TAG(tag), dpy, col, row, win)
 468                         if (tag->data != wm_tag)
 469                                 sys_show(win, st_hide);
 470
 471         /* Refrsh the display */
 472         for (list_t *ldpy = wm_tag->dpys; ldpy; ldpy = ldpy->next)
 473                 wm_update_dpy(ldpy->data);
 474         if (wm_focus)
 475                 set_focus(wm_focus);
 476 }
 477
 478 int wm_handle_key(win_t *win, Key_t key, mod_t mod, ptr_t ptr)
 479 {
 480         if (!win || win == wm_dpy->geom) return 0;
 481         //printf("wm_handle_key: %p - %x %c%c%c%c%c\n", win, key,
 482         //      mod.up    ? '^' : 'v',
 483         //      mod.alt   ? 'a' : '-',
 484         //      mod.ctrl  ? 'c' : '-',
 485         //      mod.shift ? 's' : '-',
 486         //      mod.win   ? 'w' : '-');
 487
 488         /* Mouse movement */
 489         if (key_mouse0 <= key && key <= key_mouse7 && mod.up)
 490                 return set_move(win,ptr,none),   0;
 491         else if (key == key_mouse1 && mod.MODKEY)
 492                 return set_move(win,ptr,move),   1;
 493         else if (key == key_mouse3 && mod.MODKEY)
 494                 return set_move(win,ptr,resize), 1;
 495
 496         /* Only handle key-down */
 497         if (mod.up)
 498                 return 0;
 499
 500         /* Misc */
 501         if (mod.MODKEY) {
 502 #ifdef DEBUG
 503                 if (key == key_f1) return sys_raise(win), 1;
 504                 if (key == key_f2) return set_focus(win), 1;
 505                 if (key == key_f3) return sys_show(win, st_show), 1;
 506                 if (key == key_f4) return sys_show(win, st_hide), 1;
 507 #endif
 508                 if (key == key_f5) return wm_update(),    1;
 509                 if (key == key_f6) return print_txt(),    1;
 510         }
 511         if (key_mouse0 <= key && key <= key_mouse7)
 512                 sys_raise(win);
 513
 514         /* Movement commands */
 515         if (mod.MODKEY && mod.shift) {
 516                 switch (key) {
 517                 case 'h': return shift_window(wm_focus,-1, 0), 1;
 518                 case 'j': return shift_window(wm_focus, 0,+1), 1;
 519                 case 'k': return shift_window(wm_focus, 0,-1), 1;
 520                 case 'l': return shift_window(wm_focus,+1, 0), 1;
 521                 default: break;
 522                 }
 523         }
 524         else if (mod.MODKEY) {
 525                 switch (key) {
 526                 case 'h': return shift_focus(-1, 0), 1;
 527                 case 'j': return shift_focus( 0,+1), 1;
 528                 case 'k': return shift_focus( 0,-1), 1;
 529                 case 'l': return shift_focus(+1, 0), 1;
 530                 default: break;
 531                 }
 532         }
 533
 534         /* Column mode commands */
 535         if (mod.MODKEY) {
 536                 switch (key) {
 537                 case 'd': return set_mode(win, split), 1;
 538                 case 's': return set_mode(win, stack), 1;
 539                 case 'm': return set_mode(win, max),   1;
 540                 case 't': return set_mode(win, tab),   1;
 541                 default: break;
 542                 }
 543         }
 544
 545         /* Tag switching */
 546         if (mod.MODKEY && '0' <= key && key <= '9') {
 547                 int name = key - '0';
 548                 if (mod.shift)
 549                         tag_set(win, name);
 550                 else
 551                         tag_switch(name);
 552                 wm_update();
 553         }
 554
 555         /* Focus change */
 556         if (key == key_enter)
 557                 return set_focus(win), 1;
 558
 559         if (key_mouse0 <= key && key <= key_mouse7)
 560                 return set_focus(win), 0;
 561
 562         /* Reset focus after after focus change,
 563          * not sure what is causing the focus change in the first place
 564          * but preventing that would be a better solution */
 565         if (key == key_focus)
 566                 sys_focus(wm_focus ?: wm->root);
 567
 568         return 0;
 569 }
 570
 571 int wm_handle_ptr(win_t *cwin, ptr_t ptr)
 572 {
 573         //printf("wm_handle_ptr: %p - %d,%d %d,%d (%d) -- \n",
 574         //              cwin, ptr.x, ptr.y, ptr.rx, ptr.ry, move_mode);
 575
 576         if (move_mode == none)
 577                 return 0;
 578
 579         /* Tiling */
 580         int dx = ptr.rx - move_prev.rx;
 581         int dy = ptr.ry - move_prev.ry;
 582         move_prev = ptr;
 583         if (move_mode == resize) {
 584                 list_t *vert = move_dir.v < 0 ? move_lrow->prev : move_lrow->next;
 585                 list_t *horz = move_dir.h < 0 ? move_lcol->prev : move_lcol->next;
 586                 if (vert) {
 587                         ROW(move_lrow)->height += move_dir.v * dy;
 588                         ROW(vert)->height      -= move_dir.v * dy;
 589                 }
 590                 if (horz) {
 591                         COL(move_lcol)->width  += move_dir.h * dx;
 592                         COL(horz)->width       -= move_dir.h * dx;
 593                 }
 594                 wm_update();
 595         }
 596
 597         /* Floating */
 598         //win_t *mwin = move_win;
 599         //int dx = ptr.rx - move_prev.rx;
 600         //int dy = ptr.ry - move_prev.ry;
 601         //move_prev = ptr;
 602         //if (move_mode == move)
 603         //      sys_move(mwin, mwin->x+dx, mwin->y+dy, mwin->w, mwin->h);
 604         //else if (move_mode == resize)
 605         //      sys_move(mwin, mwin->x, mwin->y, mwin->w+dx, mwin->h+dy);
 606
 607         return 0;
 608 }
 609
 610 void wm_insert(win_t *win)
 611 {
 612         printf("wm_insert: %p\n", win);
 613         print_txt();
 614
 615         /* Initialize window */
 616         win->wm = new0(win_wm_t);
 617         sys_watch(win, key_enter, MOD());
 618         sys_watch(win, key_focus, MOD());
 619
 620         /* Add to screen */
 621         put_win(win, wm_tag, wm_dpy, wm_col);
 622
 623         /* Arrange */
 624         wm_update();
 625         set_focus(wm_focus);
 626         print_txt();
 627 }
 628
 629 void wm_remove(win_t *win)
 630 {
 631         printf("wm_remove: %p\n", win);
 632         print_txt();
 633         for (list_t *tag = wm->tags; tag; tag = tag->next)
 634                 cut_win(tag->data, win);
 635         set_focus(wm_focus);
 636         wm_update();
 637         print_txt();
 638 }
 639
 640 void wm_init(win_t *root)
 641 {
 642         printf("wm_init: %p\n", root);
 643
 644         /* Hack, fix screen order */
 645         list_t *screens = sys_info(root);
 646         list_t *left  = screens;
 647         list_t *right = screens->next;
 648         if (left && right && WIN(left)->x > WIN(right)->x) {
 649                 void *tmp   = left->data;
 650                 left->data  = right->data;
 651                 right->data = tmp;
 652         }
 653
 654         wm          = new0(wm_t);
 655         wm->root    = root;
 656         wm->screens = screens;
 657         wm->tag     = tag_new(wm->screens, 1);
 658         wm->tags    = list_insert(NULL, wm->tag);
 659
 660         Key_t keys_e[] = {key_enter, key_focus};
 661         Key_t keys_s[] = {'h', 'j', 'k', 'l',
 662                 '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'};
 663         Key_t keys_m[] = {'h', 'j', 'k', 'l', 'd', 's', 'm', 't',
 664                 '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
 665                 key_f1, key_f2, key_f3, key_f4, key_f5, key_f6,
 666                 key_mouse1, key_mouse3};
 667         for (int i = 0; i < countof(keys_e); i++)
 668                 sys_watch(root, keys_e[i],  MOD());
 669         for (int i = 0; i < countof(keys_m); i++)
 670                 sys_watch(root, keys_m[i], MOD(.MODKEY=1));
 671         for (int i = 0; i < countof(keys_s); i++)
 672                 sys_watch(root, keys_s[i], MOD(.MODKEY=1,.shift=1));
 673 }