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