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